./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/eca-rers2012/Problem15_label08.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 20ed64ec Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/eca-rers2012/Problem15_label08.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 6d67655027562a7cfe663f1965c5af647257979e .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 22:11:46,548 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-08-25 22:11:46,551 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-08-25 22:11:46,588 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-08-25 22:11:46,589 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-08-25 22:11:46,592 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-08-25 22:11:46,594 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-08-25 22:11:46,598 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-08-25 22:11:46,600 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-08-25 22:11:46,604 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-08-25 22:11:46,605 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-08-25 22:11:46,617 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-08-25 22:11:46,618 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-08-25 22:11:46,620 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-08-25 22:11:46,622 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-08-25 22:11:46,625 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-08-25 22:11:46,626 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-08-25 22:11:46,627 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-08-25 22:11:46,629 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-08-25 22:11:46,635 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-08-25 22:11:46,636 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-08-25 22:11:46,637 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-08-25 22:11:46,639 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-08-25 22:11:46,639 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-08-25 22:11:46,645 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-08-25 22:11:46,646 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-08-25 22:11:46,646 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-08-25 22:11:46,648 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-08-25 22:11:46,648 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-08-25 22:11:46,649 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-08-25 22:11:46,649 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-08-25 22:11:46,650 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-08-25 22:11:46,651 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-08-25 22:11:46,652 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-08-25 22:11:46,653 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-08-25 22:11:46,653 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-08-25 22:11:46,654 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-08-25 22:11:46,654 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-08-25 22:11:46,655 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-08-25 22:11:46,656 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-08-25 22:11:46,657 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-08-25 22:11:46,661 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-08-25 22:11:46,698 INFO L113 SettingsManager]: Loading preferences was successful [2021-08-25 22:11:46,698 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-08-25 22:11:46,699 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-08-25 22:11:46,700 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-08-25 22:11:46,701 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-08-25 22:11:46,702 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-08-25 22:11:46,702 INFO L138 SettingsManager]: * Use SBE=true [2021-08-25 22:11:46,702 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-08-25 22:11:46,702 INFO L138 SettingsManager]: * sizeof long=4 [2021-08-25 22:11:46,703 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-08-25 22:11:46,703 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-08-25 22:11:46,704 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-08-25 22:11:46,704 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-08-25 22:11:46,704 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-08-25 22:11:46,704 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-08-25 22:11:46,704 INFO L138 SettingsManager]: * sizeof long double=12 [2021-08-25 22:11:46,705 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-08-25 22:11:46,705 INFO L138 SettingsManager]: * Use constant arrays=true [2021-08-25 22:11:46,705 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-08-25 22:11:46,705 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-08-25 22:11:46,705 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-08-25 22:11:46,706 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-08-25 22:11:46,706 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-25 22:11:46,706 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-08-25 22:11:46,706 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-08-25 22:11:46,707 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-08-25 22:11:46,707 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-08-25 22:11:46,707 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-08-25 22:11:46,707 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-08-25 22:11:46,707 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-08-25 22:11:46,707 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 6d67655027562a7cfe663f1965c5af647257979e [2021-08-25 22:11:47,027 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-08-25 22:11:47,048 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-08-25 22:11:47,051 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-08-25 22:11:47,052 INFO L271 PluginConnector]: Initializing CDTParser... [2021-08-25 22:11:47,053 INFO L275 PluginConnector]: CDTParser initialized [2021-08-25 22:11:47,054 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem15_label08.c [2021-08-25 22:11:47,120 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7a261474f/d9d0522dcaa542fe8e6997d24148bff8/FLAG30b89ffab [2021-08-25 22:11:47,669 INFO L306 CDTParser]: Found 1 translation units. [2021-08-25 22:11:47,670 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem15_label08.c [2021-08-25 22:11:47,689 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7a261474f/d9d0522dcaa542fe8e6997d24148bff8/FLAG30b89ffab [2021-08-25 22:11:48,134 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/7a261474f/d9d0522dcaa542fe8e6997d24148bff8 [2021-08-25 22:11:48,143 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-08-25 22:11:48,145 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-08-25 22:11:48,147 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-08-25 22:11:48,147 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-08-25 22:11:48,149 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-08-25 22:11:48,150 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.08 10:11:48" (1/1) ... [2021-08-25 22:11:48,150 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1a14f6e3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 10:11:48, skipping insertion in model container [2021-08-25 22:11:48,151 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.08 10:11:48" (1/1) ... [2021-08-25 22:11:48,159 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-08-25 22:11:48,206 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-08-25 22:11:48,398 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem15_label08.c[6299,6312] [2021-08-25 22:11:48,733 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-25 22:11:48,746 INFO L203 MainTranslator]: Completed pre-run [2021-08-25 22:11:48,776 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem15_label08.c[6299,6312] [2021-08-25 22:11:48,962 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-25 22:11:48,976 INFO L208 MainTranslator]: Completed translation [2021-08-25 22:11:48,976 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 10:11:48 WrapperNode [2021-08-25 22:11:48,978 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-08-25 22:11:48,979 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-08-25 22:11:48,979 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-08-25 22:11:48,980 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-08-25 22:11:48,985 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 10:11:48" (1/1) ... [2021-08-25 22:11:49,026 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 10:11:48" (1/1) ... [2021-08-25 22:11:49,190 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-08-25 22:11:49,192 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-08-25 22:11:49,192 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-08-25 22:11:49,192 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-08-25 22:11:49,221 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 10:11:48" (1/1) ... [2021-08-25 22:11:49,221 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 10:11:48" (1/1) ... [2021-08-25 22:11:49,270 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 10:11:48" (1/1) ... [2021-08-25 22:11:49,270 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 10:11:48" (1/1) ... [2021-08-25 22:11:49,412 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 10:11:48" (1/1) ... [2021-08-25 22:11:49,442 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 10:11:48" (1/1) ... [2021-08-25 22:11:49,469 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 10:11:48" (1/1) ... [2021-08-25 22:11:49,528 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-08-25 22:11:49,530 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-08-25 22:11:49,530 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-08-25 22:11:49,530 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-08-25 22:11:49,531 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 10:11:48" (1/1) ... [2021-08-25 22:11:49,537 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-25 22:11:49,544 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-25 22:11:49,566 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 22:11:49,599 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 22:11:49,629 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-08-25 22:11:49,629 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-08-25 22:11:49,630 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-08-25 22:11:49,630 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-08-25 22:11:51,969 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-08-25 22:11:51,969 INFO L299 CfgBuilder]: Removed 9 assume(true) statements. [2021-08-25 22:11:51,971 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.08 10:11:51 BoogieIcfgContainer [2021-08-25 22:11:51,971 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-08-25 22:11:51,973 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-08-25 22:11:51,973 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-08-25 22:11:51,975 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-08-25 22:11:51,975 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.08 10:11:48" (1/3) ... [2021-08-25 22:11:51,976 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5dcaeabc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.08 10:11:51, skipping insertion in model container [2021-08-25 22:11:51,976 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 10:11:48" (2/3) ... [2021-08-25 22:11:51,976 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@5dcaeabc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.08 10:11:51, skipping insertion in model container [2021-08-25 22:11:51,976 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.08 10:11:51" (3/3) ... [2021-08-25 22:11:51,979 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem15_label08.c [2021-08-25 22:11:51,983 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-08-25 22:11:51,984 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-08-25 22:11:52,035 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-08-25 22:11:52,042 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 22:11:52,042 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-08-25 22:11:52,071 INFO L276 IsEmpty]: Start isEmpty. Operand has 424 states, 422 states have (on average 1.7772511848341233) internal successors, (750), 423 states have internal predecessors, (750), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:11:52,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2021-08-25 22:11:52,078 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 22:11:52,079 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-25 22:11:52,079 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 22:11:52,083 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 22:11:52,083 INFO L82 PathProgramCache]: Analyzing trace with hash 2122806209, now seen corresponding path program 1 times [2021-08-25 22:11:52,090 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 22:11:52,090 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [744247050] [2021-08-25 22:11:52,091 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 22:11:52,091 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 22:11:52,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 22:11:52,350 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 22:11:52,351 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 22:11:52,351 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [744247050] [2021-08-25 22:11:52,351 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [744247050] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-25 22:11:52,352 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-25 22:11:52,352 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-08-25 22:11:52,360 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [67625079] [2021-08-25 22:11:52,365 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-25 22:11:52,365 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 22:11:52,376 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-25 22:11:52,377 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 22:11:52,380 INFO L87 Difference]: Start difference. First operand has 424 states, 422 states have (on average 1.7772511848341233) internal successors, (750), 423 states have internal predecessors, (750), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 17.0) internal successors, (51), 2 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:11:54,350 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 22:11:54,350 INFO L93 Difference]: Finished difference Result 1155 states and 2106 transitions. [2021-08-25 22:11:54,351 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-25 22:11:54,352 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 17.0) internal successors, (51), 2 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 51 [2021-08-25 22:11:54,352 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 22:11:54,368 INFO L225 Difference]: With dead ends: 1155 [2021-08-25 22:11:54,368 INFO L226 Difference]: Without dead ends: 667 [2021-08-25 22:11:54,372 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 8.2ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 22:11:54,386 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 667 states. [2021-08-25 22:11:54,432 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 667 to 665. [2021-08-25 22:11:54,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 665 states, 664 states have (on average 1.4789156626506024) internal successors, (982), 664 states have internal predecessors, (982), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:11:54,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 665 states to 665 states and 982 transitions. [2021-08-25 22:11:54,437 INFO L78 Accepts]: Start accepts. Automaton has 665 states and 982 transitions. Word has length 51 [2021-08-25 22:11:54,437 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 22:11:54,437 INFO L470 AbstractCegarLoop]: Abstraction has 665 states and 982 transitions. [2021-08-25 22:11:54,438 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 17.0) internal successors, (51), 2 states have internal predecessors, (51), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:11:54,438 INFO L276 IsEmpty]: Start isEmpty. Operand 665 states and 982 transitions. [2021-08-25 22:11:54,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2021-08-25 22:11:54,441 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 22:11:54,442 INFO L512 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-25 22:11:54,442 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-08-25 22:11:54,442 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 22:11:54,443 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 22:11:54,443 INFO L82 PathProgramCache]: Analyzing trace with hash 1480819463, now seen corresponding path program 1 times [2021-08-25 22:11:54,443 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 22:11:54,443 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [794609590] [2021-08-25 22:11:54,444 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 22:11:54,444 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 22:11:54,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 22:11:54,555 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-25 22:11:54,556 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 22:11:54,556 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [794609590] [2021-08-25 22:11:54,556 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [794609590] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-25 22:11:54,556 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-25 22:11:54,556 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-08-25 22:11:54,557 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [46357909] [2021-08-25 22:11:54,560 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-25 22:11:54,560 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 22:11:54,561 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-25 22:11:54,561 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 22:11:54,561 INFO L87 Difference]: Start difference. First operand 665 states and 982 transitions. Second operand has 3 states, 3 states have (on average 42.0) internal successors, (126), 2 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:11:56,659 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 22:11:56,660 INFO L93 Difference]: Finished difference Result 1955 states and 2894 transitions. [2021-08-25 22:11:56,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-25 22:11:56,660 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 42.0) internal successors, (126), 2 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 126 [2021-08-25 22:11:56,661 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 22:11:56,666 INFO L225 Difference]: With dead ends: 1955 [2021-08-25 22:11:56,666 INFO L226 Difference]: Without dead ends: 1292 [2021-08-25 22:11:56,667 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 3.0ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 22:11:56,669 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1292 states. [2021-08-25 22:11:56,699 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1292 to 1282. [2021-08-25 22:11:56,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1282 states, 1281 states have (on average 1.3989071038251366) internal successors, (1792), 1281 states have internal predecessors, (1792), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:11:56,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1282 states to 1282 states and 1792 transitions. [2021-08-25 22:11:56,705 INFO L78 Accepts]: Start accepts. Automaton has 1282 states and 1792 transitions. Word has length 126 [2021-08-25 22:11:56,705 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 22:11:56,705 INFO L470 AbstractCegarLoop]: Abstraction has 1282 states and 1792 transitions. [2021-08-25 22:11:56,706 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 42.0) internal successors, (126), 2 states have internal predecessors, (126), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:11:56,706 INFO L276 IsEmpty]: Start isEmpty. Operand 1282 states and 1792 transitions. [2021-08-25 22:11:56,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2021-08-25 22:11:56,708 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 22:11:56,709 INFO L512 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-25 22:11:56,709 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-08-25 22:11:56,709 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 22:11:56,709 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 22:11:56,710 INFO L82 PathProgramCache]: Analyzing trace with hash 1300617233, now seen corresponding path program 1 times [2021-08-25 22:11:56,710 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 22:11:56,710 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [672968477] [2021-08-25 22:11:56,710 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 22:11:56,710 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 22:11:56,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 22:11:56,834 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-25 22:11:56,836 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 22:11:56,836 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [672968477] [2021-08-25 22:11:56,837 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [672968477] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-25 22:11:56,837 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-25 22:11:56,838 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-08-25 22:11:56,839 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1026736880] [2021-08-25 22:11:56,840 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-25 22:11:56,841 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 22:11:56,842 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-25 22:11:56,842 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 22:11:56,842 INFO L87 Difference]: Start difference. First operand 1282 states and 1792 transitions. Second operand has 3 states, 3 states have (on average 43.333333333333336) internal successors, (130), 2 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:11:58,794 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 22:11:58,795 INFO L93 Difference]: Finished difference Result 3764 states and 5263 transitions. [2021-08-25 22:11:58,795 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-25 22:11:58,795 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 43.333333333333336) internal successors, (130), 2 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 130 [2021-08-25 22:11:58,796 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 22:11:58,804 INFO L225 Difference]: With dead ends: 3764 [2021-08-25 22:11:58,804 INFO L226 Difference]: Without dead ends: 2484 [2021-08-25 22:11:58,805 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.0ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 22:11:58,807 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2484 states. [2021-08-25 22:11:58,835 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2484 to 2182. [2021-08-25 22:11:58,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2182 states, 2181 states have (on average 1.2815222375057314) internal successors, (2795), 2181 states have internal predecessors, (2795), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:11:58,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2182 states to 2182 states and 2795 transitions. [2021-08-25 22:11:58,843 INFO L78 Accepts]: Start accepts. Automaton has 2182 states and 2795 transitions. Word has length 130 [2021-08-25 22:11:58,843 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 22:11:58,843 INFO L470 AbstractCegarLoop]: Abstraction has 2182 states and 2795 transitions. [2021-08-25 22:11:58,844 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 43.333333333333336) internal successors, (130), 2 states have internal predecessors, (130), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:11:58,844 INFO L276 IsEmpty]: Start isEmpty. Operand 2182 states and 2795 transitions. [2021-08-25 22:11:58,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2021-08-25 22:11:58,847 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 22:11:58,848 INFO L512 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-25 22:11:58,848 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-08-25 22:11:58,848 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 22:11:58,848 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 22:11:58,849 INFO L82 PathProgramCache]: Analyzing trace with hash 26872092, now seen corresponding path program 1 times [2021-08-25 22:11:58,849 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 22:11:58,849 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1390651170] [2021-08-25 22:11:58,849 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 22:11:58,849 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 22:11:58,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 22:11:59,013 INFO L134 CoverageAnalysis]: Checked inductivity of 175 backedges. 97 proven. 0 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2021-08-25 22:11:59,013 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 22:11:59,013 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1390651170] [2021-08-25 22:11:59,014 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1390651170] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-25 22:11:59,014 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-25 22:11:59,014 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-08-25 22:11:59,014 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1191069892] [2021-08-25 22:11:59,015 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-25 22:11:59,015 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 22:11:59,015 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-25 22:11:59,016 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 22:11:59,016 INFO L87 Difference]: Start difference. First operand 2182 states and 2795 transitions. Second operand has 3 states, 3 states have (on average 48.0) internal successors, (144), 2 states have internal predecessors, (144), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:12:00,584 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 22:12:00,584 INFO L93 Difference]: Finished difference Result 6166 states and 7961 transitions. [2021-08-25 22:12:00,585 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-25 22:12:00,585 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 48.0) internal successors, (144), 2 states have internal predecessors, (144), 0 states have call successors, (0), 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 221 [2021-08-25 22:12:00,586 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 22:12:00,597 INFO L225 Difference]: With dead ends: 6166 [2021-08-25 22:12:00,598 INFO L226 Difference]: Without dead ends: 3986 [2021-08-25 22:12:00,600 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.0ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 22:12:00,603 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3986 states. [2021-08-25 22:12:00,651 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3986 to 3682. [2021-08-25 22:12:00,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3682 states, 3681 states have (on average 1.2200488997555012) internal successors, (4491), 3681 states have internal predecessors, (4491), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:12:00,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3682 states to 3682 states and 4491 transitions. [2021-08-25 22:12:00,663 INFO L78 Accepts]: Start accepts. Automaton has 3682 states and 4491 transitions. Word has length 221 [2021-08-25 22:12:00,665 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 22:12:00,665 INFO L470 AbstractCegarLoop]: Abstraction has 3682 states and 4491 transitions. [2021-08-25 22:12:00,665 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 48.0) internal successors, (144), 2 states have internal predecessors, (144), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:12:00,665 INFO L276 IsEmpty]: Start isEmpty. Operand 3682 states and 4491 transitions. [2021-08-25 22:12:00,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 324 [2021-08-25 22:12:00,669 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 22:12:00,670 INFO L512 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-25 22:12:00,671 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-08-25 22:12:00,671 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 22:12:00,672 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 22:12:00,672 INFO L82 PathProgramCache]: Analyzing trace with hash -758886988, now seen corresponding path program 1 times [2021-08-25 22:12:00,672 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 22:12:00,673 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [925214398] [2021-08-25 22:12:00,673 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 22:12:00,673 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 22:12:00,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 22:12:00,857 INFO L134 CoverageAnalysis]: Checked inductivity of 172 backedges. 123 proven. 0 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2021-08-25 22:12:00,857 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 22:12:00,857 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [925214398] [2021-08-25 22:12:00,857 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [925214398] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-25 22:12:00,858 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-25 22:12:00,858 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-08-25 22:12:00,858 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2036352605] [2021-08-25 22:12:00,860 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-25 22:12:00,860 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 22:12:00,861 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-25 22:12:00,861 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 22:12:00,861 INFO L87 Difference]: Start difference. First operand 3682 states and 4491 transitions. Second operand has 3 states, 3 states have (on average 91.66666666666667) internal successors, (275), 2 states have internal predecessors, (275), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:12:02,469 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 22:12:02,469 INFO L93 Difference]: Finished difference Result 7661 states and 9291 transitions. [2021-08-25 22:12:02,470 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-25 22:12:02,470 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 91.66666666666667) internal successors, (275), 2 states have internal predecessors, (275), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 323 [2021-08-25 22:12:02,470 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 22:12:02,482 INFO L225 Difference]: With dead ends: 7661 [2021-08-25 22:12:02,482 INFO L226 Difference]: Without dead ends: 3981 [2021-08-25 22:12:02,487 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 5.8ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 22:12:02,490 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3981 states. [2021-08-25 22:12:02,531 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3981 to 3981. [2021-08-25 22:12:02,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3981 states, 3980 states have (on average 1.2050251256281408) internal successors, (4796), 3980 states have internal predecessors, (4796), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:12:02,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3981 states to 3981 states and 4796 transitions. [2021-08-25 22:12:02,544 INFO L78 Accepts]: Start accepts. Automaton has 3981 states and 4796 transitions. Word has length 323 [2021-08-25 22:12:02,544 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 22:12:02,545 INFO L470 AbstractCegarLoop]: Abstraction has 3981 states and 4796 transitions. [2021-08-25 22:12:02,545 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 91.66666666666667) internal successors, (275), 2 states have internal predecessors, (275), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:12:02,545 INFO L276 IsEmpty]: Start isEmpty. Operand 3981 states and 4796 transitions. [2021-08-25 22:12:02,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 339 [2021-08-25 22:12:02,549 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 22:12:02,550 INFO L512 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-25 22:12:02,550 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-08-25 22:12:02,550 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 22:12:02,550 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 22:12:02,551 INFO L82 PathProgramCache]: Analyzing trace with hash 1026245797, now seen corresponding path program 1 times [2021-08-25 22:12:02,551 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 22:12:02,551 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [970399981] [2021-08-25 22:12:02,551 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 22:12:02,551 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 22:12:02,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 22:12:02,681 INFO L134 CoverageAnalysis]: Checked inductivity of 187 backedges. 97 proven. 0 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2021-08-25 22:12:02,682 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 22:12:02,682 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [970399981] [2021-08-25 22:12:02,683 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [970399981] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-25 22:12:02,683 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-25 22:12:02,683 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-25 22:12:02,683 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1868917544] [2021-08-25 22:12:02,684 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-25 22:12:02,684 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 22:12:02,685 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-25 22:12:02,687 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 22:12:02,688 INFO L87 Difference]: Start difference. First operand 3981 states and 4796 transitions. Second operand has 3 states, 3 states have (on average 83.0) internal successors, (249), 3 states have internal predecessors, (249), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:12:04,820 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 22:12:04,820 INFO L93 Difference]: Finished difference Result 8857 states and 10953 transitions. [2021-08-25 22:12:04,821 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-25 22:12:04,821 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 83.0) internal successors, (249), 3 states have internal predecessors, (249), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 338 [2021-08-25 22:12:04,822 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 22:12:04,837 INFO L225 Difference]: With dead ends: 8857 [2021-08-25 22:12:04,837 INFO L226 Difference]: Without dead ends: 5177 [2021-08-25 22:12:04,842 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.0ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 22:12:04,845 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5177 states. [2021-08-25 22:12:04,888 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5177 to 3678. [2021-08-25 22:12:04,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3678 states, 3677 states have (on average 1.2181125917867828) internal successors, (4479), 3677 states have internal predecessors, (4479), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:12:04,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3678 states to 3678 states and 4479 transitions. [2021-08-25 22:12:04,900 INFO L78 Accepts]: Start accepts. Automaton has 3678 states and 4479 transitions. Word has length 338 [2021-08-25 22:12:04,900 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 22:12:04,901 INFO L470 AbstractCegarLoop]: Abstraction has 3678 states and 4479 transitions. [2021-08-25 22:12:04,901 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 83.0) internal successors, (249), 3 states have internal predecessors, (249), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:12:04,901 INFO L276 IsEmpty]: Start isEmpty. Operand 3678 states and 4479 transitions. [2021-08-25 22:12:04,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 398 [2021-08-25 22:12:04,906 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 22:12:04,907 INFO L512 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-25 22:12:04,907 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-08-25 22:12:04,907 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 22:12:04,908 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 22:12:04,908 INFO L82 PathProgramCache]: Analyzing trace with hash 670102626, now seen corresponding path program 1 times [2021-08-25 22:12:04,908 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 22:12:04,908 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [948629455] [2021-08-25 22:12:04,908 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 22:12:04,909 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 22:12:04,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 22:12:05,050 INFO L134 CoverageAnalysis]: Checked inductivity of 172 backedges. 97 proven. 0 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2021-08-25 22:12:05,050 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 22:12:05,050 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [948629455] [2021-08-25 22:12:05,051 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [948629455] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-25 22:12:05,051 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-25 22:12:05,051 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-25 22:12:05,051 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1564289149] [2021-08-25 22:12:05,052 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-25 22:12:05,052 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 22:12:05,052 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-25 22:12:05,053 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 22:12:05,053 INFO L87 Difference]: Start difference. First operand 3678 states and 4479 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 22:12:06,654 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 22:12:06,654 INFO L93 Difference]: Finished difference Result 9157 states and 11369 transitions. [2021-08-25 22:12:06,655 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-25 22:12:06,655 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 397 [2021-08-25 22:12:06,656 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 22:12:06,670 INFO L225 Difference]: With dead ends: 9157 [2021-08-25 22:12:06,670 INFO L226 Difference]: Without dead ends: 5780 [2021-08-25 22:12:06,674 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.0ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 22:12:06,678 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5780 states. [2021-08-25 22:12:06,735 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5780 to 5182. [2021-08-25 22:12:06,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5182 states, 5181 states have (on average 1.1767998455896544) internal successors, (6097), 5181 states have internal predecessors, (6097), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:12:06,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5182 states to 5182 states and 6097 transitions. [2021-08-25 22:12:06,753 INFO L78 Accepts]: Start accepts. Automaton has 5182 states and 6097 transitions. Word has length 397 [2021-08-25 22:12:06,754 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 22:12:06,754 INFO L470 AbstractCegarLoop]: Abstraction has 5182 states and 6097 transitions. [2021-08-25 22:12:06,755 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 22:12:06,755 INFO L276 IsEmpty]: Start isEmpty. Operand 5182 states and 6097 transitions. [2021-08-25 22:12:06,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 404 [2021-08-25 22:12:06,760 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 22:12:06,761 INFO L512 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-25 22:12:06,761 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-08-25 22:12:06,762 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 22:12:06,762 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 22:12:06,762 INFO L82 PathProgramCache]: Analyzing trace with hash -1374004594, now seen corresponding path program 1 times [2021-08-25 22:12:06,762 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 22:12:06,763 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1145392869] [2021-08-25 22:12:06,763 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 22:12:06,763 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 22:12:06,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 22:12:06,942 INFO L134 CoverageAnalysis]: Checked inductivity of 176 backedges. 176 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-25 22:12:06,942 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 22:12:06,942 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1145392869] [2021-08-25 22:12:06,942 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1145392869] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-25 22:12:06,942 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-25 22:12:06,943 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-25 22:12:06,943 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1475768839] [2021-08-25 22:12:06,943 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-25 22:12:06,943 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 22:12:06,944 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-25 22:12:06,947 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 22:12:06,947 INFO L87 Difference]: Start difference. First operand 5182 states and 6097 transitions. Second operand has 3 states, 3 states have (on average 134.33333333333334) internal successors, (403), 3 states have internal predecessors, (403), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:12:08,582 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 22:12:08,582 INFO L93 Difference]: Finished difference Result 11868 states and 14277 transitions. [2021-08-25 22:12:08,583 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-25 22:12:08,583 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 134.33333333333334) internal successors, (403), 3 states have internal predecessors, (403), 0 states have call successors, (0), 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 403 [2021-08-25 22:12:08,584 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 22:12:08,604 INFO L225 Difference]: With dead ends: 11868 [2021-08-25 22:12:08,604 INFO L226 Difference]: Without dead ends: 6987 [2021-08-25 22:12:08,610 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.1ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 22:12:08,616 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6987 states. [2021-08-25 22:12:08,677 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6987 to 6087. [2021-08-25 22:12:08,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6087 states, 6086 states have (on average 1.1628327308577062) internal successors, (7077), 6086 states have internal predecessors, (7077), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:12:08,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6087 states to 6087 states and 7077 transitions. [2021-08-25 22:12:08,694 INFO L78 Accepts]: Start accepts. Automaton has 6087 states and 7077 transitions. Word has length 403 [2021-08-25 22:12:08,695 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 22:12:08,695 INFO L470 AbstractCegarLoop]: Abstraction has 6087 states and 7077 transitions. [2021-08-25 22:12:08,696 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 134.33333333333334) internal successors, (403), 3 states have internal predecessors, (403), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:12:08,696 INFO L276 IsEmpty]: Start isEmpty. Operand 6087 states and 7077 transitions. [2021-08-25 22:12:08,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 421 [2021-08-25 22:12:08,702 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 22:12:08,703 INFO L512 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2021-08-25 22:12:08,703 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-08-25 22:12:08,703 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 22:12:08,704 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 22:12:08,728 INFO L82 PathProgramCache]: Analyzing trace with hash -1859644683, now seen corresponding path program 1 times [2021-08-25 22:12:08,728 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 22:12:08,729 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1683716177] [2021-08-25 22:12:08,729 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 22:12:08,729 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 22:12:08,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 22:12:08,899 INFO L134 CoverageAnalysis]: Checked inductivity of 395 backedges. 305 proven. 0 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2021-08-25 22:12:08,899 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 22:12:08,899 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1683716177] [2021-08-25 22:12:08,900 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1683716177] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-25 22:12:08,900 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-25 22:12:08,900 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-25 22:12:08,900 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [235693796] [2021-08-25 22:12:08,901 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-25 22:12:08,901 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 22:12:08,901 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-25 22:12:08,901 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 22:12:08,902 INFO L87 Difference]: Start difference. First operand 6087 states and 7077 transitions. Second operand has 3 states, 3 states have (on average 110.33333333333333) internal successors, (331), 3 states have internal predecessors, (331), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:12:10,519 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 22:12:10,519 INFO L93 Difference]: Finished difference Result 13667 states and 16224 transitions. [2021-08-25 22:12:10,522 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-25 22:12:10,523 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 110.33333333333333) internal successors, (331), 3 states have internal predecessors, (331), 0 states have call successors, (0), 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 420 [2021-08-25 22:12:10,524 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 22:12:10,536 INFO L225 Difference]: With dead ends: 13667 [2021-08-25 22:12:10,537 INFO L226 Difference]: Without dead ends: 7881 [2021-08-25 22:12:10,543 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.0ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 22:12:10,549 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7881 states. [2021-08-25 22:12:10,663 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7881 to 7877. [2021-08-25 22:12:10,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7877 states, 7876 states have (on average 1.1457592686642966) internal successors, (9024), 7876 states have internal predecessors, (9024), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:12:10,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7877 states to 7877 states and 9024 transitions. [2021-08-25 22:12:10,685 INFO L78 Accepts]: Start accepts. Automaton has 7877 states and 9024 transitions. Word has length 420 [2021-08-25 22:12:10,686 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 22:12:10,686 INFO L470 AbstractCegarLoop]: Abstraction has 7877 states and 9024 transitions. [2021-08-25 22:12:10,686 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 110.33333333333333) internal successors, (331), 3 states have internal predecessors, (331), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:12:10,686 INFO L276 IsEmpty]: Start isEmpty. Operand 7877 states and 9024 transitions. [2021-08-25 22:12:10,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 429 [2021-08-25 22:12:10,689 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 22:12:10,690 INFO L512 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-25 22:12:10,690 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-08-25 22:12:10,690 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 22:12:10,690 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 22:12:10,690 INFO L82 PathProgramCache]: Analyzing trace with hash -1017641080, now seen corresponding path program 1 times [2021-08-25 22:12:10,690 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 22:12:10,692 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [510828906] [2021-08-25 22:12:10,692 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 22:12:10,692 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 22:12:10,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 22:12:10,886 INFO L134 CoverageAnalysis]: Checked inductivity of 203 backedges. 49 proven. 154 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-25 22:12:10,886 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 22:12:10,886 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [510828906] [2021-08-25 22:12:10,886 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [510828906] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-25 22:12:10,887 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1769953753] [2021-08-25 22:12:10,887 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 22:12:10,887 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-25 22:12:10,887 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-25 22:12:10,892 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-25 22:12:10,924 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-08-25 22:12:11,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 22:12:11,057 INFO L263 TraceCheckSpWp]: Trace formula consists of 537 conjuncts, 4 conjunts are in the unsatisfiable core [2021-08-25 22:12:11,081 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-25 22:12:12,789 INFO L134 CoverageAnalysis]: Checked inductivity of 203 backedges. 154 proven. 49 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-25 22:12:12,790 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1769953753] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-25 22:12:12,790 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-25 22:12:12,790 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 7 [2021-08-25 22:12:12,790 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1932860305] [2021-08-25 22:12:12,791 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-08-25 22:12:12,791 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 22:12:12,792 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-08-25 22:12:12,794 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2021-08-25 22:12:12,794 INFO L87 Difference]: Start difference. First operand 7877 states and 9024 transitions. Second operand has 7 states, 7 states have (on average 122.14285714285714) internal successors, (855), 7 states have internal predecessors, (855), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:12:22,145 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 22:12:22,145 INFO L93 Difference]: Finished difference Result 29307 states and 33899 transitions. [2021-08-25 22:12:22,145 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2021-08-25 22:12:22,145 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 122.14285714285714) internal successors, (855), 7 states have internal predecessors, (855), 0 states have call successors, (0), 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 428 [2021-08-25 22:12:22,146 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 22:12:22,179 INFO L225 Difference]: With dead ends: 29307 [2021-08-25 22:12:22,180 INFO L226 Difference]: Without dead ends: 21731 [2021-08-25 22:12:22,188 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 443 GetRequests, 432 SyntacticMatches, 0 SemanticMatches, 11 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19 ImplicationChecksByTransitivity, 58.0ms TimeCoverageRelationStatistics Valid=48, Invalid=108, Unknown=0, NotChecked=0, Total=156 [2021-08-25 22:12:22,208 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21731 states. [2021-08-25 22:12:22,419 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21731 to 16569. [2021-08-25 22:12:22,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16569 states, 16568 states have (on average 1.138821825205215) internal successors, (18868), 16568 states have internal predecessors, (18868), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:12:22,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16569 states to 16569 states and 18868 transitions. [2021-08-25 22:12:22,459 INFO L78 Accepts]: Start accepts. Automaton has 16569 states and 18868 transitions. Word has length 428 [2021-08-25 22:12:22,460 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 22:12:22,460 INFO L470 AbstractCegarLoop]: Abstraction has 16569 states and 18868 transitions. [2021-08-25 22:12:22,460 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 122.14285714285714) internal successors, (855), 7 states have internal predecessors, (855), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:12:22,460 INFO L276 IsEmpty]: Start isEmpty. Operand 16569 states and 18868 transitions. [2021-08-25 22:12:22,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 525 [2021-08-25 22:12:22,466 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 22:12:22,467 INFO L512 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-25 22:12:22,494 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-08-25 22:12:22,680 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2021-08-25 22:12:22,681 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 22:12:22,681 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 22:12:22,681 INFO L82 PathProgramCache]: Analyzing trace with hash -812489015, now seen corresponding path program 1 times [2021-08-25 22:12:22,682 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 22:12:22,682 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1339676566] [2021-08-25 22:12:22,682 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 22:12:22,682 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 22:12:22,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 22:12:22,860 INFO L134 CoverageAnalysis]: Checked inductivity of 419 backedges. 146 proven. 0 refuted. 0 times theorem prover too weak. 273 trivial. 0 not checked. [2021-08-25 22:12:22,860 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 22:12:22,860 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1339676566] [2021-08-25 22:12:22,861 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1339676566] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-25 22:12:22,861 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-25 22:12:22,861 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-25 22:12:22,861 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [400823337] [2021-08-25 22:12:22,862 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-25 22:12:22,862 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 22:12:22,862 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-25 22:12:22,862 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 22:12:22,863 INFO L87 Difference]: Start difference. First operand 16569 states and 18868 transitions. Second operand has 3 states, 3 states have (on average 112.0) internal successors, (336), 3 states have internal predecessors, (336), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:12:24,588 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 22:12:24,588 INFO L93 Difference]: Finished difference Result 37620 states and 43194 transitions. [2021-08-25 22:12:24,588 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-25 22:12:24,589 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 112.0) internal successors, (336), 3 states have internal predecessors, (336), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 524 [2021-08-25 22:12:24,589 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 22:12:24,620 INFO L225 Difference]: With dead ends: 37620 [2021-08-25 22:12:24,621 INFO L226 Difference]: Without dead ends: 21352 [2021-08-25 22:12:24,635 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.9ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 22:12:24,651 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21352 states. [2021-08-25 22:12:24,853 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21352 to 21352. [2021-08-25 22:12:24,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21352 states, 21351 states have (on average 1.134185752423774) internal successors, (24216), 21351 states have internal predecessors, (24216), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:12:24,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21352 states to 21352 states and 24216 transitions. [2021-08-25 22:12:24,907 INFO L78 Accepts]: Start accepts. Automaton has 21352 states and 24216 transitions. Word has length 524 [2021-08-25 22:12:24,908 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 22:12:24,908 INFO L470 AbstractCegarLoop]: Abstraction has 21352 states and 24216 transitions. [2021-08-25 22:12:24,908 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 112.0) internal successors, (336), 3 states have internal predecessors, (336), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:12:24,908 INFO L276 IsEmpty]: Start isEmpty. Operand 21352 states and 24216 transitions. [2021-08-25 22:12:24,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 543 [2021-08-25 22:12:24,915 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 22:12:24,916 INFO L512 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-25 22:12:24,916 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-08-25 22:12:24,916 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 22:12:24,917 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 22:12:24,917 INFO L82 PathProgramCache]: Analyzing trace with hash -613313688, now seen corresponding path program 1 times [2021-08-25 22:12:24,918 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 22:12:24,921 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1521453034] [2021-08-25 22:12:24,921 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 22:12:24,921 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 22:12:24,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 22:12:25,078 INFO L134 CoverageAnalysis]: Checked inductivity of 740 backedges. 440 proven. 0 refuted. 0 times theorem prover too weak. 300 trivial. 0 not checked. [2021-08-25 22:12:25,079 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 22:12:25,079 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1521453034] [2021-08-25 22:12:25,079 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1521453034] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-25 22:12:25,079 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-25 22:12:25,079 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-25 22:12:25,079 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [932540735] [2021-08-25 22:12:25,080 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-25 22:12:25,080 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 22:12:25,081 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-25 22:12:25,081 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 22:12:25,081 INFO L87 Difference]: Start difference. First operand 21352 states and 24216 transitions. Second operand has 3 states, 3 states have (on average 111.33333333333333) internal successors, (334), 3 states have internal predecessors, (334), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:12:26,928 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 22:12:26,929 INFO L93 Difference]: Finished difference Result 48998 states and 55809 transitions. [2021-08-25 22:12:26,929 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-25 22:12:26,929 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 111.33333333333333) internal successors, (334), 3 states have internal predecessors, (334), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 542 [2021-08-25 22:12:26,930 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 22:12:26,967 INFO L225 Difference]: With dead ends: 48998 [2021-08-25 22:12:26,967 INFO L226 Difference]: Without dead ends: 27947 [2021-08-25 22:12:26,988 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.0ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 22:12:27,008 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27947 states. [2021-08-25 22:12:27,231 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27947 to 24340. [2021-08-25 22:12:27,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24340 states, 24339 states have (on average 1.1327088212334113) internal successors, (27569), 24339 states have internal predecessors, (27569), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:12:27,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24340 states to 24340 states and 27569 transitions. [2021-08-25 22:12:27,284 INFO L78 Accepts]: Start accepts. Automaton has 24340 states and 27569 transitions. Word has length 542 [2021-08-25 22:12:27,285 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 22:12:27,285 INFO L470 AbstractCegarLoop]: Abstraction has 24340 states and 27569 transitions. [2021-08-25 22:12:27,285 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 111.33333333333333) internal successors, (334), 3 states have internal predecessors, (334), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:12:27,285 INFO L276 IsEmpty]: Start isEmpty. Operand 24340 states and 27569 transitions. [2021-08-25 22:12:27,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 593 [2021-08-25 22:12:27,294 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 22:12:27,295 INFO L512 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-25 22:12:27,295 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-08-25 22:12:27,295 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 22:12:27,295 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 22:12:27,296 INFO L82 PathProgramCache]: Analyzing trace with hash -58137795, now seen corresponding path program 1 times [2021-08-25 22:12:27,296 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 22:12:27,296 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [75748783] [2021-08-25 22:12:27,296 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 22:12:27,296 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 22:12:27,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 22:12:27,521 INFO L134 CoverageAnalysis]: Checked inductivity of 510 backedges. 146 proven. 0 refuted. 0 times theorem prover too weak. 364 trivial. 0 not checked. [2021-08-25 22:12:27,522 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 22:12:27,522 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [75748783] [2021-08-25 22:12:27,522 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [75748783] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-25 22:12:27,522 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-25 22:12:27,522 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-25 22:12:27,522 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2027936480] [2021-08-25 22:12:27,523 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-25 22:12:27,523 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 22:12:27,524 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-25 22:12:27,524 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 22:12:27,524 INFO L87 Difference]: Start difference. First operand 24340 states and 27569 transitions. Second operand has 3 states, 3 states have (on average 112.0) internal successors, (336), 3 states have internal predecessors, (336), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:12:29,367 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 22:12:29,368 INFO L93 Difference]: Finished difference Result 52283 states and 58975 transitions. [2021-08-25 22:12:29,368 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-25 22:12:29,369 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 112.0) internal successors, (336), 3 states have internal predecessors, (336), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 592 [2021-08-25 22:12:29,370 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 22:12:29,405 INFO L225 Difference]: With dead ends: 52283 [2021-08-25 22:12:29,405 INFO L226 Difference]: Without dead ends: 28244 [2021-08-25 22:12:29,424 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.1ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 22:12:29,447 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 28244 states. [2021-08-25 22:12:29,775 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 28244 to 27631. [2021-08-25 22:12:29,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 27631 states, 27630 states have (on average 1.1208830980817952) internal successors, (30970), 27630 states have internal predecessors, (30970), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:12:29,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27631 states to 27631 states and 30970 transitions. [2021-08-25 22:12:29,843 INFO L78 Accepts]: Start accepts. Automaton has 27631 states and 30970 transitions. Word has length 592 [2021-08-25 22:12:29,843 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 22:12:29,843 INFO L470 AbstractCegarLoop]: Abstraction has 27631 states and 30970 transitions. [2021-08-25 22:12:29,844 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 112.0) internal successors, (336), 3 states have internal predecessors, (336), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:12:29,844 INFO L276 IsEmpty]: Start isEmpty. Operand 27631 states and 30970 transitions. [2021-08-25 22:12:29,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 595 [2021-08-25 22:12:29,853 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 22:12:29,853 INFO L512 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-25 22:12:29,853 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-08-25 22:12:29,853 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 22:12:29,854 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 22:12:29,854 INFO L82 PathProgramCache]: Analyzing trace with hash -2133802672, now seen corresponding path program 1 times [2021-08-25 22:12:29,854 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 22:12:29,854 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1575014084] [2021-08-25 22:12:29,855 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 22:12:29,855 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 22:12:29,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 22:12:30,062 INFO L134 CoverageAnalysis]: Checked inductivity of 813 backedges. 584 proven. 39 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked. [2021-08-25 22:12:30,062 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 22:12:30,062 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1575014084] [2021-08-25 22:12:30,063 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1575014084] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-25 22:12:30,063 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1846007842] [2021-08-25 22:12:30,063 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 22:12:30,063 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-25 22:12:30,063 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-25 22:12:30,064 INFO L229 MonitoredProcess]: Starting monitored process 3 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-25 22:12:30,094 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-08-25 22:12:30,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 22:12:30,398 INFO L263 TraceCheckSpWp]: Trace formula consists of 745 conjuncts, 7 conjunts are in the unsatisfiable core [2021-08-25 22:12:30,403 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-25 22:12:32,761 INFO L134 CoverageAnalysis]: Checked inductivity of 813 backedges. 584 proven. 39 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked. [2021-08-25 22:12:32,762 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1846007842] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-25 22:12:32,762 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-25 22:12:32,762 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4] total 6 [2021-08-25 22:12:32,763 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [421005838] [2021-08-25 22:12:32,764 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-08-25 22:12:32,764 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 22:12:32,764 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-08-25 22:12:32,764 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2021-08-25 22:12:32,765 INFO L87 Difference]: Start difference. First operand 27631 states and 30970 transitions. Second operand has 7 states, 7 states have (on average 85.57142857142857) internal successors, (599), 6 states have internal predecessors, (599), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:12:37,525 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 22:12:37,525 INFO L93 Difference]: Finished difference Result 65231 states and 72571 transitions. [2021-08-25 22:12:37,525 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 10 states. [2021-08-25 22:12:37,526 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 85.57142857142857) internal successors, (599), 6 states have internal predecessors, (599), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 594 [2021-08-25 22:12:37,526 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 22:12:37,553 INFO L225 Difference]: With dead ends: 65231 [2021-08-25 22:12:37,553 INFO L226 Difference]: Without dead ends: 27631 [2021-08-25 22:12:37,571 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 601 GetRequests, 592 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 12 ImplicationChecksByTransitivity, 60.0ms TimeCoverageRelationStatistics Valid=42, Invalid=68, Unknown=0, NotChecked=0, Total=110 [2021-08-25 22:12:37,591 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27631 states. [2021-08-25 22:12:37,768 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27631 to 17451. [2021-08-25 22:12:37,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17451 states, 17450 states have (on average 1.0727220630372494) internal successors, (18719), 17450 states have internal predecessors, (18719), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:12:37,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17451 states to 17451 states and 18719 transitions. [2021-08-25 22:12:37,799 INFO L78 Accepts]: Start accepts. Automaton has 17451 states and 18719 transitions. Word has length 594 [2021-08-25 22:12:37,800 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 22:12:37,800 INFO L470 AbstractCegarLoop]: Abstraction has 17451 states and 18719 transitions. [2021-08-25 22:12:37,800 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 85.57142857142857) internal successors, (599), 6 states have internal predecessors, (599), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:12:37,800 INFO L276 IsEmpty]: Start isEmpty. Operand 17451 states and 18719 transitions. [2021-08-25 22:12:37,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 626 [2021-08-25 22:12:37,807 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 22:12:37,809 INFO L512 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-25 22:12:37,833 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-08-25 22:12:38,032 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable13 [2021-08-25 22:12:38,032 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 22:12:38,032 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 22:12:38,033 INFO L82 PathProgramCache]: Analyzing trace with hash 1047056699, now seen corresponding path program 1 times [2021-08-25 22:12:38,033 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 22:12:38,033 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1628936890] [2021-08-25 22:12:38,033 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 22:12:38,033 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 22:12:38,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 22:12:38,223 INFO L134 CoverageAnalysis]: Checked inductivity of 543 backedges. 437 proven. 0 refuted. 0 times theorem prover too weak. 106 trivial. 0 not checked. [2021-08-25 22:12:38,223 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 22:12:38,223 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1628936890] [2021-08-25 22:12:38,223 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1628936890] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-25 22:12:38,224 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-25 22:12:38,224 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-25 22:12:38,224 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [895335873] [2021-08-25 22:12:38,225 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-25 22:12:38,225 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 22:12:38,225 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-25 22:12:38,225 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 22:12:38,226 INFO L87 Difference]: Start difference. First operand 17451 states and 18719 transitions. Second operand has 3 states, 3 states have (on average 173.33333333333334) internal successors, (520), 3 states have internal predecessors, (520), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:12:39,497 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 22:12:39,497 INFO L93 Difference]: Finished difference Result 39379 states and 42250 transitions. [2021-08-25 22:12:39,498 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-25 22:12:39,498 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 173.33333333333334) internal successors, (520), 3 states have internal predecessors, (520), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 625 [2021-08-25 22:12:39,498 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 22:12:39,515 INFO L225 Difference]: With dead ends: 39379 [2021-08-25 22:12:39,516 INFO L226 Difference]: Without dead ends: 21930 [2021-08-25 22:12:39,523 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.0ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 22:12:39,534 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 21930 states. [2021-08-25 22:12:39,663 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 21930 to 21033. [2021-08-25 22:12:39,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21033 states, 21032 states have (on average 1.0630943324457969) internal successors, (22359), 21032 states have internal predecessors, (22359), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:12:39,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21033 states to 21033 states and 22359 transitions. [2021-08-25 22:12:39,692 INFO L78 Accepts]: Start accepts. Automaton has 21033 states and 22359 transitions. Word has length 625 [2021-08-25 22:12:39,692 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 22:12:39,692 INFO L470 AbstractCegarLoop]: Abstraction has 21033 states and 22359 transitions. [2021-08-25 22:12:39,693 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 173.33333333333334) internal successors, (520), 3 states have internal predecessors, (520), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:12:39,693 INFO L276 IsEmpty]: Start isEmpty. Operand 21033 states and 22359 transitions. [2021-08-25 22:12:39,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 701 [2021-08-25 22:12:39,703 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 22:12:39,704 INFO L512 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-25 22:12:39,704 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-08-25 22:12:39,704 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 22:12:39,705 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 22:12:39,705 INFO L82 PathProgramCache]: Analyzing trace with hash -1187352733, now seen corresponding path program 1 times [2021-08-25 22:12:39,705 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 22:12:39,705 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [110805060] [2021-08-25 22:12:39,705 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 22:12:39,705 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 22:12:39,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 22:12:39,913 INFO L134 CoverageAnalysis]: Checked inductivity of 813 backedges. 474 proven. 0 refuted. 0 times theorem prover too weak. 339 trivial. 0 not checked. [2021-08-25 22:12:39,913 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 22:12:39,913 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [110805060] [2021-08-25 22:12:39,914 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [110805060] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-25 22:12:39,914 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-25 22:12:39,914 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-25 22:12:39,914 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [806743084] [2021-08-25 22:12:39,915 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-25 22:12:39,915 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 22:12:39,916 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-25 22:12:39,916 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 22:12:39,916 INFO L87 Difference]: Start difference. First operand 21033 states and 22359 transitions. Second operand has 3 states, 3 states have (on average 146.0) internal successors, (438), 3 states have internal predecessors, (438), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:12:40,989 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 22:12:40,990 INFO L93 Difference]: Finished difference Result 45052 states and 47856 transitions. [2021-08-25 22:12:40,990 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-25 22:12:40,990 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 146.0) internal successors, (438), 3 states have internal predecessors, (438), 0 states have call successors, (0), 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 700 [2021-08-25 22:12:40,992 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 22:12:41,014 INFO L225 Difference]: With dead ends: 45052 [2021-08-25 22:12:41,015 INFO L226 Difference]: Without dead ends: 24021 [2021-08-25 22:12:41,028 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.1ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 22:12:41,039 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24021 states. [2021-08-25 22:12:41,250 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24021 to 21928. [2021-08-25 22:12:41,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21928 states, 21927 states have (on average 1.0589227892552562) internal successors, (23219), 21927 states have internal predecessors, (23219), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:12:41,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21928 states to 21928 states and 23219 transitions. [2021-08-25 22:12:41,282 INFO L78 Accepts]: Start accepts. Automaton has 21928 states and 23219 transitions. Word has length 700 [2021-08-25 22:12:41,282 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 22:12:41,282 INFO L470 AbstractCegarLoop]: Abstraction has 21928 states and 23219 transitions. [2021-08-25 22:12:41,283 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 146.0) internal successors, (438), 3 states have internal predecessors, (438), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:12:41,283 INFO L276 IsEmpty]: Start isEmpty. Operand 21928 states and 23219 transitions. [2021-08-25 22:12:41,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 701 [2021-08-25 22:12:41,289 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 22:12:41,289 INFO L512 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-08-25 22:12:41,290 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-08-25 22:12:41,290 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 22:12:41,290 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 22:12:41,290 INFO L82 PathProgramCache]: Analyzing trace with hash -783309884, now seen corresponding path program 1 times [2021-08-25 22:12:41,291 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 22:12:41,291 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1978047202] [2021-08-25 22:12:41,291 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 22:12:41,291 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 22:12:41,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 22:12:41,492 INFO L134 CoverageAnalysis]: Checked inductivity of 601 backedges. 329 proven. 0 refuted. 0 times theorem prover too weak. 272 trivial. 0 not checked. [2021-08-25 22:12:41,493 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 22:12:41,493 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1978047202] [2021-08-25 22:12:41,493 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1978047202] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-25 22:12:41,493 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-25 22:12:41,493 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-25 22:12:41,494 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1534200217] [2021-08-25 22:12:41,495 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-25 22:12:41,495 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 22:12:41,495 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-25 22:12:41,495 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 22:12:41,496 INFO L87 Difference]: Start difference. First operand 21928 states and 23219 transitions. Second operand has 3 states, 3 states have (on average 143.0) internal successors, (429), 3 states have internal predecessors, (429), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:12:42,776 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 22:12:42,776 INFO L93 Difference]: Finished difference Result 48060 states and 50815 transitions. [2021-08-25 22:12:42,776 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-25 22:12:42,776 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 143.0) internal successors, (429), 3 states have internal predecessors, (429), 0 states have call successors, (0), 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 700 [2021-08-25 22:12:42,781 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 22:12:42,809 INFO L225 Difference]: With dead ends: 48060 [2021-08-25 22:12:42,810 INFO L226 Difference]: Without dead ends: 26134 [2021-08-25 22:12:42,823 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.0ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 22:12:42,836 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26134 states. [2021-08-25 22:12:43,044 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26134 to 23124. [2021-08-25 22:12:43,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23124 states, 23123 states have (on average 1.057086018250227) internal successors, (24443), 23123 states have internal predecessors, (24443), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:12:43,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23124 states to 23124 states and 24443 transitions. [2021-08-25 22:12:43,077 INFO L78 Accepts]: Start accepts. Automaton has 23124 states and 24443 transitions. Word has length 700 [2021-08-25 22:12:43,077 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 22:12:43,078 INFO L470 AbstractCegarLoop]: Abstraction has 23124 states and 24443 transitions. [2021-08-25 22:12:43,078 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 143.0) internal successors, (429), 3 states have internal predecessors, (429), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:12:43,078 INFO L276 IsEmpty]: Start isEmpty. Operand 23124 states and 24443 transitions. [2021-08-25 22:12:43,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 736 [2021-08-25 22:12:43,084 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 22:12:43,085 INFO L512 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-08-25 22:12:43,085 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-08-25 22:12:43,085 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 22:12:43,085 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 22:12:43,086 INFO L82 PathProgramCache]: Analyzing trace with hash 290162665, now seen corresponding path program 1 times [2021-08-25 22:12:43,086 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 22:12:43,086 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [818755136] [2021-08-25 22:12:43,086 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 22:12:43,086 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 22:12:43,159 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 22:12:43,344 INFO L134 CoverageAnalysis]: Checked inductivity of 640 backedges. 146 proven. 494 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-25 22:12:43,345 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 22:12:43,345 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [818755136] [2021-08-25 22:12:43,345 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [818755136] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-25 22:12:43,345 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [531370146] [2021-08-25 22:12:43,345 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 22:12:43,345 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-25 22:12:43,346 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-25 22:12:43,349 INFO L229 MonitoredProcess]: Starting monitored process 4 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-25 22:12:43,379 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-08-25 22:12:43,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 22:12:43,985 INFO L263 TraceCheckSpWp]: Trace formula consists of 877 conjuncts, 15 conjunts are in the unsatisfiable core [2021-08-25 22:12:43,991 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-25 22:12:50,255 INFO L134 CoverageAnalysis]: Checked inductivity of 640 backedges. 485 proven. 49 refuted. 0 times theorem prover too weak. 106 trivial. 0 not checked. [2021-08-25 22:12:50,256 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [531370146] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-25 22:12:50,256 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-25 22:12:50,257 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 6] total 10 [2021-08-25 22:12:50,258 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1175568848] [2021-08-25 22:12:50,261 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 10 states [2021-08-25 22:12:50,261 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 22:12:50,261 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 10 interpolants. [2021-08-25 22:12:50,261 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=33, Invalid=57, Unknown=0, NotChecked=0, Total=90 [2021-08-25 22:12:50,262 INFO L87 Difference]: Start difference. First operand 23124 states and 24443 transitions. Second operand has 10 states, 10 states have (on average 136.4) internal successors, (1364), 10 states have internal predecessors, (1364), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:12:59,272 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 22:12:59,272 INFO L93 Difference]: Finished difference Result 78466 states and 82451 transitions. [2021-08-25 22:12:59,273 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2021-08-25 22:12:59,273 INFO L78 Accepts]: Start accepts. Automaton has has 10 states, 10 states have (on average 136.4) internal successors, (1364), 10 states have internal predecessors, (1364), 0 states have call successors, (0), 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 735 [2021-08-25 22:12:59,273 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 22:12:59,325 INFO L225 Difference]: With dead ends: 78466 [2021-08-25 22:12:59,325 INFO L226 Difference]: Without dead ends: 54148 [2021-08-25 22:12:59,341 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 776 GetRequests, 748 SyntacticMatches, 0 SemanticMatches, 28 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 252 ImplicationChecksByTransitivity, 380.1ms TimeCoverageRelationStatistics Valid=271, Invalid=599, Unknown=0, NotChecked=0, Total=870 [2021-08-25 22:12:59,372 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 54148 states. [2021-08-25 22:12:59,648 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 54148 to 25820. [2021-08-25 22:12:59,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 25820 states, 25819 states have (on average 1.0565862349432589) internal successors, (27280), 25819 states have internal predecessors, (27280), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:12:59,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25820 states to 25820 states and 27280 transitions. [2021-08-25 22:12:59,689 INFO L78 Accepts]: Start accepts. Automaton has 25820 states and 27280 transitions. Word has length 735 [2021-08-25 22:12:59,690 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 22:12:59,690 INFO L470 AbstractCegarLoop]: Abstraction has 25820 states and 27280 transitions. [2021-08-25 22:12:59,690 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 10 states, 10 states have (on average 136.4) internal successors, (1364), 10 states have internal predecessors, (1364), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:12:59,690 INFO L276 IsEmpty]: Start isEmpty. Operand 25820 states and 27280 transitions. [2021-08-25 22:12:59,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 749 [2021-08-25 22:12:59,697 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 22:12:59,697 INFO L512 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-25 22:12:59,715 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-08-25 22:12:59,898 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable17 [2021-08-25 22:12:59,898 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 22:12:59,898 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 22:12:59,899 INFO L82 PathProgramCache]: Analyzing trace with hash 544945477, now seen corresponding path program 1 times [2021-08-25 22:12:59,899 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 22:12:59,899 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [540479364] [2021-08-25 22:12:59,899 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 22:12:59,899 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 22:12:59,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 22:13:00,120 INFO L134 CoverageAnalysis]: Checked inductivity of 882 backedges. 195 proven. 0 refuted. 0 times theorem prover too weak. 687 trivial. 0 not checked. [2021-08-25 22:13:00,121 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 22:13:00,121 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [540479364] [2021-08-25 22:13:00,121 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [540479364] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-25 22:13:00,121 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-25 22:13:00,121 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-25 22:13:00,122 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1492445961] [2021-08-25 22:13:00,123 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-25 22:13:00,124 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 22:13:00,124 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-25 22:13:00,124 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 22:13:00,125 INFO L87 Difference]: Start difference. First operand 25820 states and 27280 transitions. Second operand has 3 states, 3 states have (on average 112.33333333333333) internal successors, (337), 3 states have internal predecessors, (337), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:13:01,355 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 22:13:01,355 INFO L93 Difference]: Finished difference Result 50437 states and 53293 transitions. [2021-08-25 22:13:01,355 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-25 22:13:01,356 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 112.33333333333333) internal successors, (337), 3 states have internal predecessors, (337), 0 states have call successors, (0), 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 748 [2021-08-25 22:13:01,356 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 22:13:01,375 INFO L225 Difference]: With dead ends: 50437 [2021-08-25 22:13:01,375 INFO L226 Difference]: Without dead ends: 24320 [2021-08-25 22:13:01,387 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.9ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 22:13:01,400 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24320 states. [2021-08-25 22:13:01,537 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24320 to 22526. [2021-08-25 22:13:01,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22526 states, 22525 states have (on average 1.0339622641509434) internal successors, (23290), 22525 states have internal predecessors, (23290), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:13:01,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22526 states to 22526 states and 23290 transitions. [2021-08-25 22:13:01,568 INFO L78 Accepts]: Start accepts. Automaton has 22526 states and 23290 transitions. Word has length 748 [2021-08-25 22:13:01,569 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 22:13:01,569 INFO L470 AbstractCegarLoop]: Abstraction has 22526 states and 23290 transitions. [2021-08-25 22:13:01,569 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 112.33333333333333) internal successors, (337), 3 states have internal predecessors, (337), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:13:01,569 INFO L276 IsEmpty]: Start isEmpty. Operand 22526 states and 23290 transitions. [2021-08-25 22:13:01,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 749 [2021-08-25 22:13:01,578 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 22:13:01,579 INFO L512 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-08-25 22:13:01,579 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2021-08-25 22:13:01,579 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 22:13:01,580 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 22:13:01,580 INFO L82 PathProgramCache]: Analyzing trace with hash 153021755, now seen corresponding path program 1 times [2021-08-25 22:13:01,580 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 22:13:01,580 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1068116601] [2021-08-25 22:13:01,580 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 22:13:01,581 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 22:13:01,662 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 22:13:01,815 INFO L134 CoverageAnalysis]: Checked inductivity of 916 backedges. 500 proven. 0 refuted. 0 times theorem prover too weak. 416 trivial. 0 not checked. [2021-08-25 22:13:01,816 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 22:13:01,816 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1068116601] [2021-08-25 22:13:01,816 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1068116601] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-25 22:13:01,816 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-25 22:13:01,816 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-08-25 22:13:01,817 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [386742050] [2021-08-25 22:13:01,817 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-08-25 22:13:01,817 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 22:13:01,818 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-08-25 22:13:01,818 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-08-25 22:13:01,818 INFO L87 Difference]: Start difference. First operand 22526 states and 23290 transitions. Second operand has 4 states, 4 states have (on average 110.0) internal successors, (440), 4 states have internal predecessors, (440), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:13:03,604 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 22:13:03,604 INFO L93 Difference]: Finished difference Result 49253 states and 50878 transitions. [2021-08-25 22:13:03,604 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-08-25 22:13:03,605 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 110.0) internal successors, (440), 4 states have internal predecessors, (440), 0 states have call successors, (0), 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 748 [2021-08-25 22:13:03,605 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 22:13:03,630 INFO L225 Difference]: With dead ends: 49253 [2021-08-25 22:13:03,630 INFO L226 Difference]: Without dead ends: 26430 [2021-08-25 22:13:03,644 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 4.6ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-08-25 22:13:03,659 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 26430 states. [2021-08-25 22:13:03,878 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 26430 to 22825. [2021-08-25 22:13:03,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22825 states, 22824 states have (on average 1.033999298983526) internal successors, (23600), 22824 states have internal predecessors, (23600), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:13:03,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22825 states to 22825 states and 23600 transitions. [2021-08-25 22:13:03,912 INFO L78 Accepts]: Start accepts. Automaton has 22825 states and 23600 transitions. Word has length 748 [2021-08-25 22:13:03,913 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 22:13:03,913 INFO L470 AbstractCegarLoop]: Abstraction has 22825 states and 23600 transitions. [2021-08-25 22:13:03,913 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 110.0) internal successors, (440), 4 states have internal predecessors, (440), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:13:03,913 INFO L276 IsEmpty]: Start isEmpty. Operand 22825 states and 23600 transitions. [2021-08-25 22:13:03,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 774 [2021-08-25 22:13:03,920 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 22:13:03,921 INFO L512 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-08-25 22:13:03,921 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19 [2021-08-25 22:13:03,921 INFO L402 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 22:13:03,923 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 22:13:03,923 INFO L82 PathProgramCache]: Analyzing trace with hash -410816584, now seen corresponding path program 1 times [2021-08-25 22:13:03,923 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 22:13:03,923 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [979547343] [2021-08-25 22:13:03,923 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 22:13:03,923 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 22:13:04,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 22:13:04,161 INFO L134 CoverageAnalysis]: Checked inductivity of 992 backedges. 195 proven. 0 refuted. 0 times theorem prover too weak. 797 trivial. 0 not checked. [2021-08-25 22:13:04,162 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 22:13:04,162 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [979547343] [2021-08-25 22:13:04,162 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [979547343] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-25 22:13:04,162 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-25 22:13:04,162 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-25 22:13:04,163 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [854946378] [2021-08-25 22:13:04,164 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-25 22:13:04,164 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 22:13:04,164 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-25 22:13:04,165 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 22:13:04,165 INFO L87 Difference]: Start difference. First operand 22825 states and 23600 transitions. Second operand has 3 states, 3 states have (on average 108.33333333333333) internal successors, (325), 3 states have internal predecessors, (325), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:13:05,371 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 22:13:05,372 INFO L93 Difference]: Finished difference Result 47745 states and 49335 transitions. [2021-08-25 22:13:05,372 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-25 22:13:05,372 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 108.33333333333333) internal successors, (325), 3 states have internal predecessors, (325), 0 states have call successors, (0), 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 773 [2021-08-25 22:13:05,373 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 22:13:05,392 INFO L225 Difference]: With dead ends: 47745 [2021-08-25 22:13:05,393 INFO L226 Difference]: Without dead ends: 24623 [2021-08-25 22:13:05,405 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.0ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 22:13:05,416 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24623 states. [2021-08-25 22:13:05,553 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24623 to 22826. [2021-08-25 22:13:05,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22826 states, 22825 states have (on average 1.0335158817086527) internal successors, (23590), 22825 states have internal predecessors, (23590), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:13:05,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22826 states to 22826 states and 23590 transitions. [2021-08-25 22:13:05,587 INFO L78 Accepts]: Start accepts. Automaton has 22826 states and 23590 transitions. Word has length 773 [2021-08-25 22:13:05,587 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 22:13:05,587 INFO L470 AbstractCegarLoop]: Abstraction has 22826 states and 23590 transitions. [2021-08-25 22:13:05,589 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 108.33333333333333) internal successors, (325), 3 states have internal predecessors, (325), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:13:05,589 INFO L276 IsEmpty]: Start isEmpty. Operand 22826 states and 23590 transitions. [2021-08-25 22:13:05,598 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 812 [2021-08-25 22:13:05,598 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 22:13:05,598 INFO L512 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-08-25 22:13:05,599 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20 [2021-08-25 22:13:05,599 INFO L402 AbstractCegarLoop]: === Iteration 22 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 22:13:05,599 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 22:13:05,599 INFO L82 PathProgramCache]: Analyzing trace with hash 525787038, now seen corresponding path program 1 times [2021-08-25 22:13:05,599 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 22:13:05,600 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [533110061] [2021-08-25 22:13:05,600 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 22:13:05,600 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 22:13:05,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 22:13:05,853 INFO L134 CoverageAnalysis]: Checked inductivity of 940 backedges. 195 proven. 0 refuted. 0 times theorem prover too weak. 745 trivial. 0 not checked. [2021-08-25 22:13:05,853 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 22:13:05,853 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [533110061] [2021-08-25 22:13:05,853 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [533110061] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-25 22:13:05,853 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-25 22:13:05,854 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-25 22:13:05,854 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [515575685] [2021-08-25 22:13:05,854 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-25 22:13:05,855 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 22:13:05,855 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-25 22:13:05,855 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 22:13:05,855 INFO L87 Difference]: Start difference. First operand 22826 states and 23590 transitions. Second operand has 3 states, 3 states have (on average 114.0) internal successors, (342), 3 states have internal predecessors, (342), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:13:07,073 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 22:13:07,073 INFO L93 Difference]: Finished difference Result 50737 states and 52403 transitions. [2021-08-25 22:13:07,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-25 22:13:07,081 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 114.0) internal successors, (342), 3 states have internal predecessors, (342), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 811 [2021-08-25 22:13:07,081 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 22:13:07,107 INFO L225 Difference]: With dead ends: 50737 [2021-08-25 22:13:07,107 INFO L226 Difference]: Without dead ends: 27614 [2021-08-25 22:13:07,121 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.9ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 22:13:07,135 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27614 states. [2021-08-25 22:13:07,303 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27614 to 24614. [2021-08-25 22:13:07,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24614 states, 24613 states have (on average 1.0307561044976232) internal successors, (25370), 24613 states have internal predecessors, (25370), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:13:07,337 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24614 states to 24614 states and 25370 transitions. [2021-08-25 22:13:07,337 INFO L78 Accepts]: Start accepts. Automaton has 24614 states and 25370 transitions. Word has length 811 [2021-08-25 22:13:07,338 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 22:13:07,338 INFO L470 AbstractCegarLoop]: Abstraction has 24614 states and 25370 transitions. [2021-08-25 22:13:07,338 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 114.0) internal successors, (342), 3 states have internal predecessors, (342), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:13:07,338 INFO L276 IsEmpty]: Start isEmpty. Operand 24614 states and 25370 transitions. [2021-08-25 22:13:07,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 933 [2021-08-25 22:13:07,356 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 22:13:07,356 INFO L512 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-25 22:13:07,357 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable21 [2021-08-25 22:13:07,357 INFO L402 AbstractCegarLoop]: === Iteration 23 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 22:13:07,357 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 22:13:07,357 INFO L82 PathProgramCache]: Analyzing trace with hash 745617400, now seen corresponding path program 1 times [2021-08-25 22:13:07,357 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 22:13:07,358 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2017228387] [2021-08-25 22:13:07,358 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 22:13:07,358 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 22:13:07,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 22:13:07,645 INFO L134 CoverageAnalysis]: Checked inductivity of 1807 backedges. 782 proven. 0 refuted. 0 times theorem prover too weak. 1025 trivial. 0 not checked. [2021-08-25 22:13:07,645 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 22:13:07,645 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2017228387] [2021-08-25 22:13:07,645 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2017228387] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-25 22:13:07,645 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-25 22:13:07,646 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-25 22:13:07,646 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1025904331] [2021-08-25 22:13:07,647 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-25 22:13:07,647 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 22:13:07,647 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-25 22:13:07,647 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 22:13:07,648 INFO L87 Difference]: Start difference. First operand 24614 states and 25370 transitions. Second operand has 3 states, 3 states have (on average 142.33333333333334) internal successors, (427), 3 states have internal predecessors, (427), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:13:08,774 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 22:13:08,774 INFO L93 Difference]: Finished difference Result 52210 states and 53805 transitions. [2021-08-25 22:13:08,774 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-25 22:13:08,775 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 142.33333333333334) internal successors, (427), 3 states have internal predecessors, (427), 0 states have call successors, (0), 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 932 [2021-08-25 22:13:08,775 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 22:13:08,798 INFO L225 Difference]: With dead ends: 52210 [2021-08-25 22:13:08,798 INFO L226 Difference]: Without dead ends: 27299 [2021-08-25 22:13:08,811 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.9ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 22:13:08,824 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 27299 states. [2021-08-25 22:13:09,089 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 27299 to 24906. [2021-08-25 22:13:09,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24906 states, 24905 states have (on average 1.0279461955430635) internal successors, (25601), 24905 states have internal predecessors, (25601), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:13:09,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24906 states to 24906 states and 25601 transitions. [2021-08-25 22:13:09,129 INFO L78 Accepts]: Start accepts. Automaton has 24906 states and 25601 transitions. Word has length 932 [2021-08-25 22:13:09,129 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 22:13:09,129 INFO L470 AbstractCegarLoop]: Abstraction has 24906 states and 25601 transitions. [2021-08-25 22:13:09,130 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 142.33333333333334) internal successors, (427), 3 states have internal predecessors, (427), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:13:09,130 INFO L276 IsEmpty]: Start isEmpty. Operand 24906 states and 25601 transitions. [2021-08-25 22:13:09,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 950 [2021-08-25 22:13:09,143 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 22:13:09,143 INFO L512 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-25 22:13:09,144 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable22 [2021-08-25 22:13:09,144 INFO L402 AbstractCegarLoop]: === Iteration 24 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 22:13:09,144 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 22:13:09,144 INFO L82 PathProgramCache]: Analyzing trace with hash -1105599323, now seen corresponding path program 1 times [2021-08-25 22:13:09,144 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 22:13:09,144 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1565034896] [2021-08-25 22:13:09,144 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 22:13:09,145 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 22:13:09,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 22:13:09,465 INFO L134 CoverageAnalysis]: Checked inductivity of 1843 backedges. 293 proven. 0 refuted. 0 times theorem prover too weak. 1550 trivial. 0 not checked. [2021-08-25 22:13:09,466 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 22:13:09,466 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1565034896] [2021-08-25 22:13:09,466 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1565034896] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-25 22:13:09,466 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-25 22:13:09,466 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-08-25 22:13:09,467 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1797388023] [2021-08-25 22:13:09,467 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-08-25 22:13:09,468 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 22:13:09,468 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-08-25 22:13:09,468 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-08-25 22:13:09,468 INFO L87 Difference]: Start difference. First operand 24906 states and 25601 transitions. Second operand has 4 states, 4 states have (on average 86.75) internal successors, (347), 4 states have internal predecessors, (347), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:13:11,017 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 22:13:11,018 INFO L93 Difference]: Finished difference Result 56696 states and 58307 transitions. [2021-08-25 22:13:11,018 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-08-25 22:13:11,018 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 86.75) internal successors, (347), 4 states have internal predecessors, (347), 0 states have call successors, (0), 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 949 [2021-08-25 22:13:11,019 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 22:13:11,046 INFO L225 Difference]: With dead ends: 56696 [2021-08-25 22:13:11,046 INFO L226 Difference]: Without dead ends: 31792 [2021-08-25 22:13:11,061 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 5.2ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-08-25 22:13:11,077 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 31792 states. [2021-08-25 22:13:11,270 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 31792 to 29698. [2021-08-25 22:13:11,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29698 states, 29697 states have (on average 1.0267703808465503) internal successors, (30492), 29697 states have internal predecessors, (30492), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:13:11,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29698 states to 29698 states and 30492 transitions. [2021-08-25 22:13:11,317 INFO L78 Accepts]: Start accepts. Automaton has 29698 states and 30492 transitions. Word has length 949 [2021-08-25 22:13:11,317 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 22:13:11,318 INFO L470 AbstractCegarLoop]: Abstraction has 29698 states and 30492 transitions. [2021-08-25 22:13:11,318 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 86.75) internal successors, (347), 4 states have internal predecessors, (347), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:13:11,318 INFO L276 IsEmpty]: Start isEmpty. Operand 29698 states and 30492 transitions. [2021-08-25 22:13:11,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 985 [2021-08-25 22:13:11,331 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 22:13:11,332 INFO L512 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-25 22:13:11,332 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable23 [2021-08-25 22:13:11,332 INFO L402 AbstractCegarLoop]: === Iteration 25 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 22:13:11,332 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 22:13:11,332 INFO L82 PathProgramCache]: Analyzing trace with hash -473003347, now seen corresponding path program 1 times [2021-08-25 22:13:11,332 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 22:13:11,334 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1363701131] [2021-08-25 22:13:11,334 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 22:13:11,335 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 22:13:11,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 22:13:11,776 INFO L134 CoverageAnalysis]: Checked inductivity of 1263 backedges. 812 proven. 179 refuted. 0 times theorem prover too weak. 272 trivial. 0 not checked. [2021-08-25 22:13:11,777 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 22:13:11,777 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1363701131] [2021-08-25 22:13:11,777 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1363701131] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-25 22:13:11,777 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2144336763] [2021-08-25 22:13:11,777 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 22:13:11,777 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-25 22:13:11,778 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-25 22:13:11,781 INFO L229 MonitoredProcess]: Starting monitored process 5 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-25 22:13:11,786 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-08-25 22:13:13,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 22:13:13,115 INFO L263 TraceCheckSpWp]: Trace formula consists of 1148 conjuncts, 6 conjunts are in the unsatisfiable core [2021-08-25 22:13:13,124 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-25 22:13:16,506 INFO L134 CoverageAnalysis]: Checked inductivity of 1263 backedges. 781 proven. 49 refuted. 0 times theorem prover too weak. 433 trivial. 0 not checked. [2021-08-25 22:13:16,506 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2144336763] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-25 22:13:16,506 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-25 22:13:16,507 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 4] total 8 [2021-08-25 22:13:16,507 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1892181232] [2021-08-25 22:13:16,508 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 8 states [2021-08-25 22:13:16,508 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 22:13:16,509 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2021-08-25 22:13:16,509 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=38, Unknown=0, NotChecked=0, Total=56 [2021-08-25 22:13:16,509 INFO L87 Difference]: Start difference. First operand 29698 states and 30492 transitions. Second operand has 8 states, 8 states have (on average 132.5) internal successors, (1060), 8 states have internal predecessors, (1060), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:13:21,483 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 22:13:21,484 INFO L93 Difference]: Finished difference Result 68167 states and 69944 transitions. [2021-08-25 22:13:21,484 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 12 states. [2021-08-25 22:13:21,484 INFO L78 Accepts]: Start accepts. Automaton has has 8 states, 8 states have (on average 132.5) internal successors, (1060), 8 states have internal predecessors, (1060), 0 states have call successors, (0), 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 984 [2021-08-25 22:13:21,485 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 22:13:21,516 INFO L225 Difference]: With dead ends: 68167 [2021-08-25 22:13:21,516 INFO L226 Difference]: Without dead ends: 38172 [2021-08-25 22:13:21,532 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 1003 GetRequests, 990 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 27 ImplicationChecksByTransitivity, 116.1ms TimeCoverageRelationStatistics Valid=69, Invalid=141, Unknown=0, NotChecked=0, Total=210 [2021-08-25 22:13:21,551 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 38172 states. [2021-08-25 22:13:21,781 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 38172 to 29698. [2021-08-25 22:13:21,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 29698 states, 29697 states have (on average 1.0249520153550864) internal successors, (30438), 29697 states have internal predecessors, (30438), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:13:21,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29698 states to 29698 states and 30438 transitions. [2021-08-25 22:13:21,828 INFO L78 Accepts]: Start accepts. Automaton has 29698 states and 30438 transitions. Word has length 984 [2021-08-25 22:13:21,828 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 22:13:21,829 INFO L470 AbstractCegarLoop]: Abstraction has 29698 states and 30438 transitions. [2021-08-25 22:13:21,829 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 8 states, 8 states have (on average 132.5) internal successors, (1060), 8 states have internal predecessors, (1060), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:13:21,829 INFO L276 IsEmpty]: Start isEmpty. Operand 29698 states and 30438 transitions. [2021-08-25 22:13:21,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 989 [2021-08-25 22:13:21,845 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 22:13:21,845 INFO L512 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-25 22:13:21,870 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2021-08-25 22:13:22,058 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable24,5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-25 22:13:22,060 INFO L402 AbstractCegarLoop]: === Iteration 26 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 22:13:22,060 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 22:13:22,060 INFO L82 PathProgramCache]: Analyzing trace with hash -697863412, now seen corresponding path program 1 times [2021-08-25 22:13:22,060 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 22:13:22,060 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1745301107] [2021-08-25 22:13:22,061 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 22:13:22,061 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 22:13:22,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 22:13:22,415 INFO L134 CoverageAnalysis]: Checked inductivity of 1297 backedges. 785 proven. 49 refuted. 0 times theorem prover too weak. 463 trivial. 0 not checked. [2021-08-25 22:13:22,416 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 22:13:22,416 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1745301107] [2021-08-25 22:13:22,416 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1745301107] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-25 22:13:22,416 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [480033306] [2021-08-25 22:13:22,416 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 22:13:22,417 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-25 22:13:22,417 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-25 22:13:22,418 INFO L229 MonitoredProcess]: Starting monitored process 6 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-25 22:13:22,419 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-08-25 22:13:24,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 22:13:24,303 INFO L263 TraceCheckSpWp]: Trace formula consists of 1152 conjuncts, 5 conjunts are in the unsatisfiable core [2021-08-25 22:13:24,311 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-25 22:13:27,677 INFO L134 CoverageAnalysis]: Checked inductivity of 1297 backedges. 785 proven. 49 refuted. 0 times theorem prover too weak. 463 trivial. 0 not checked. [2021-08-25 22:13:27,677 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [480033306] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-25 22:13:27,677 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2021-08-25 22:13:27,677 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [5, 4] total 7 [2021-08-25 22:13:27,678 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1570696758] [2021-08-25 22:13:27,679 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-08-25 22:13:27,679 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 22:13:27,679 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-08-25 22:13:27,680 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=15, Invalid=27, Unknown=0, NotChecked=0, Total=42 [2021-08-25 22:13:27,680 INFO L87 Difference]: Start difference. First operand 29698 states and 30438 transitions. Second operand has 7 states, 7 states have (on average 139.85714285714286) internal successors, (979), 7 states have internal predecessors, (979), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:13:31,616 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 22:13:31,616 INFO L93 Difference]: Finished difference Result 35459 states and 36336 transitions. [2021-08-25 22:13:31,616 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2021-08-25 22:13:31,617 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 139.85714285714286) internal successors, (979), 7 states have internal predecessors, (979), 0 states have call successors, (0), 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 988 [2021-08-25 22:13:31,617 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 22:13:31,617 INFO L225 Difference]: With dead ends: 35459 [2021-08-25 22:13:31,617 INFO L226 Difference]: Without dead ends: 0 [2021-08-25 22:13:31,628 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 1002 GetRequests, 992 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 13 ImplicationChecksByTransitivity, 86.6ms TimeCoverageRelationStatistics Valid=51, Invalid=81, Unknown=0, NotChecked=0, Total=132 [2021-08-25 22:13:31,628 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-08-25 22:13:31,629 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-08-25 22:13:31,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:13:31,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-08-25 22:13:31,629 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 988 [2021-08-25 22:13:31,629 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 22:13:31,629 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-08-25 22:13:31,629 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 139.85714285714286) internal successors, (979), 7 states have internal predecessors, (979), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:13:31,629 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-08-25 22:13:31,629 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-08-25 22:13:31,631 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-08-25 22:13:31,654 INFO L552 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Ended with exit code 0 [2021-08-25 22:13:31,837 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable25 [2021-08-25 22:13:31,839 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-08-25 22:13:31,843 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-25 22:13:31,845 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-25 22:13:33,213 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-25 22:13:34,528 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-25 22:13:49,676 INFO L857 garLoopResultBuilder]: For program point L630(lines 630 1664) no Hoare annotation was computed. [2021-08-25 22:13:49,676 INFO L857 garLoopResultBuilder]: For program point L1423(lines 1423 1664) no Hoare annotation was computed. [2021-08-25 22:13:49,676 INFO L857 garLoopResultBuilder]: For program point L895(lines 895 1664) no Hoare annotation was computed. [2021-08-25 22:13:49,677 INFO L857 garLoopResultBuilder]: For program point L1688(lines 1688 1766) no Hoare annotation was computed. [2021-08-25 22:13:49,677 INFO L857 garLoopResultBuilder]: For program point L1160(lines 1160 1664) no Hoare annotation was computed. [2021-08-25 22:13:49,677 INFO L857 garLoopResultBuilder]: For program point L103-1(lines 33 1666) no Hoare annotation was computed. [2021-08-25 22:13:49,677 INFO L857 garLoopResultBuilder]: For program point L896(lines 896 904) no Hoare annotation was computed. [2021-08-25 22:13:49,677 INFO L857 garLoopResultBuilder]: For program point L896-2(lines 896 904) no Hoare annotation was computed. [2021-08-25 22:13:49,677 INFO L857 garLoopResultBuilder]: For program point L764(lines 764 1664) no Hoare annotation was computed. [2021-08-25 22:13:49,677 INFO L857 garLoopResultBuilder]: For program point L1557(lines 1557 1664) no Hoare annotation was computed. [2021-08-25 22:13:49,677 INFO L857 garLoopResultBuilder]: For program point L1293(lines 1293 1664) no Hoare annotation was computed. [2021-08-25 22:13:49,677 INFO L857 garLoopResultBuilder]: For program point L104(line 104) no Hoare annotation was computed. [2021-08-25 22:13:49,677 INFO L857 garLoopResultBuilder]: For program point L1029(lines 1029 1664) no Hoare annotation was computed. [2021-08-25 22:13:49,677 INFO L857 garLoopResultBuilder]: For program point L501(lines 501 1664) no Hoare annotation was computed. [2021-08-25 22:13:49,677 INFO L857 garLoopResultBuilder]: For program point L106-1(lines 33 1666) no Hoare annotation was computed. [2021-08-25 22:13:49,677 INFO L857 garLoopResultBuilder]: For program point L371(lines 371 1664) no Hoare annotation was computed. [2021-08-25 22:13:49,677 INFO L857 garLoopResultBuilder]: For program point L239(lines 239 1664) no Hoare annotation was computed. [2021-08-25 22:13:49,677 INFO L857 garLoopResultBuilder]: For program point L107(line 107) no Hoare annotation was computed. [2021-08-25 22:13:49,677 INFO L857 garLoopResultBuilder]: For program point L1429(lines 1429 1664) no Hoare annotation was computed. [2021-08-25 22:13:49,677 INFO L857 garLoopResultBuilder]: For program point L637(lines 637 1664) no Hoare annotation was computed. [2021-08-25 22:13:49,677 INFO L857 garLoopResultBuilder]: For program point L1430(lines 1430 1440) no Hoare annotation was computed. [2021-08-25 22:13:49,677 INFO L857 garLoopResultBuilder]: For program point L1430-2(lines 1430 1440) no Hoare annotation was computed. [2021-08-25 22:13:49,677 INFO L857 garLoopResultBuilder]: For program point L1166(lines 1166 1664) no Hoare annotation was computed. [2021-08-25 22:13:49,677 INFO L857 garLoopResultBuilder]: For program point L109-1(lines 33 1666) no Hoare annotation was computed. [2021-08-25 22:13:49,678 INFO L857 garLoopResultBuilder]: For program point L1695(lines 1695 1766) no Hoare annotation was computed. [2021-08-25 22:13:49,678 INFO L857 garLoopResultBuilder]: For program point L1299(lines 1299 1664) no Hoare annotation was computed. [2021-08-25 22:13:49,678 INFO L857 garLoopResultBuilder]: For program point L110(line 110) no Hoare annotation was computed. [2021-08-25 22:13:49,678 INFO L857 garLoopResultBuilder]: For program point L771(lines 771 1664) no Hoare annotation was computed. [2021-08-25 22:13:49,678 INFO L857 garLoopResultBuilder]: For program point L1696(lines 1696 1703) no Hoare annotation was computed. [2021-08-25 22:13:49,678 INFO L857 garLoopResultBuilder]: For program point L1696-2(lines 1696 1703) no Hoare annotation was computed. [2021-08-25 22:13:49,678 INFO L857 garLoopResultBuilder]: For program point L1564(lines 1564 1664) no Hoare annotation was computed. [2021-08-25 22:13:49,678 INFO L857 garLoopResultBuilder]: For program point L507(lines 507 1664) no Hoare annotation was computed. [2021-08-25 22:13:49,678 INFO L857 garLoopResultBuilder]: For program point L1300(lines 1300 1309) no Hoare annotation was computed. [2021-08-25 22:13:49,678 INFO L857 garLoopResultBuilder]: For program point L1300-2(lines 1300 1309) no Hoare annotation was computed. [2021-08-25 22:13:49,678 INFO L857 garLoopResultBuilder]: For program point L1036(lines 1036 1664) no Hoare annotation was computed. [2021-08-25 22:13:49,678 INFO L857 garLoopResultBuilder]: For program point L244(lines 244 1664) no Hoare annotation was computed. [2021-08-25 22:13:49,679 INFO L857 garLoopResultBuilder]: For program point L112-1(lines 33 1666) no Hoare annotation was computed. [2021-08-25 22:13:49,679 INFO L857 garLoopResultBuilder]: For program point L905(lines 905 1664) no Hoare annotation was computed. [2021-08-25 22:13:49,679 INFO L857 garLoopResultBuilder]: For program point L377(lines 377 1664) no Hoare annotation was computed. [2021-08-25 22:13:49,679 INFO L857 garLoopResultBuilder]: For program point L113(line 113) no Hoare annotation was computed. [2021-08-25 22:13:49,679 INFO L857 garLoopResultBuilder]: For program point L1172(lines 1172 1664) no Hoare annotation was computed. [2021-08-25 22:13:49,679 INFO L857 garLoopResultBuilder]: For program point L115-1(lines 33 1666) no Hoare annotation was computed. [2021-08-25 22:13:49,679 INFO L857 garLoopResultBuilder]: For program point L1040(lines 1040 1664) no Hoare annotation was computed. [2021-08-25 22:13:49,679 INFO L857 garLoopResultBuilder]: For program point L644(lines 644 1664) no Hoare annotation was computed. [2021-08-25 22:13:49,680 INFO L857 garLoopResultBuilder]: For program point L1569(lines 1569 1664) no Hoare annotation was computed. [2021-08-25 22:13:49,680 INFO L857 garLoopResultBuilder]: For program point L512(lines 512 1664) no Hoare annotation was computed. [2021-08-25 22:13:49,680 INFO L857 garLoopResultBuilder]: For program point L116(line 116) no Hoare annotation was computed. [2021-08-25 22:13:49,680 INFO L857 garLoopResultBuilder]: For program point L778(lines 778 1664) no Hoare annotation was computed. [2021-08-25 22:13:49,680 INFO L857 garLoopResultBuilder]: For program point L118-1(lines 33 1666) no Hoare annotation was computed. [2021-08-25 22:13:49,680 INFO L857 garLoopResultBuilder]: For program point L911(lines 911 1664) no Hoare annotation was computed. [2021-08-25 22:13:49,680 INFO L857 garLoopResultBuilder]: For program point L1704(lines 1704 1766) no Hoare annotation was computed. [2021-08-25 22:13:49,680 INFO L857 garLoopResultBuilder]: For program point L383(lines 383 1664) no Hoare annotation was computed. [2021-08-25 22:13:49,680 INFO L857 garLoopResultBuilder]: For program point L251(lines 251 1664) no Hoare annotation was computed. [2021-08-25 22:13:49,681 INFO L857 garLoopResultBuilder]: For program point L119(line 119) no Hoare annotation was computed. [2021-08-25 22:13:49,681 INFO L857 garLoopResultBuilder]: For program point L1441(lines 1441 1664) no Hoare annotation was computed. [2021-08-25 22:13:49,681 INFO L857 garLoopResultBuilder]: For program point L1045(lines 1045 1664) no Hoare annotation was computed. [2021-08-25 22:13:49,681 INFO L857 garLoopResultBuilder]: For program point L517(lines 517 1664) no Hoare annotation was computed. [2021-08-25 22:13:49,681 INFO L857 garLoopResultBuilder]: For program point L1310(lines 1310 1664) no Hoare annotation was computed. [2021-08-25 22:13:49,681 INFO L857 garLoopResultBuilder]: For program point L1178(lines 1178 1664) no Hoare annotation was computed. [2021-08-25 22:13:49,681 INFO L857 garLoopResultBuilder]: For program point L121-1(lines 33 1666) no Hoare annotation was computed. [2021-08-25 22:13:49,681 INFO L857 garLoopResultBuilder]: For program point L122(line 122) no Hoare annotation was computed. [2021-08-25 22:13:49,682 INFO L857 garLoopResultBuilder]: For program point L651(lines 651 1664) no Hoare annotation was computed. [2021-08-25 22:13:49,682 INFO L857 garLoopResultBuilder]: For program point L1576(lines 1576 1664) no Hoare annotation was computed. [2021-08-25 22:13:49,682 INFO L857 garLoopResultBuilder]: For program point L1048(lines 1048 1664) no Hoare annotation was computed. [2021-08-25 22:13:49,682 INFO L857 garLoopResultBuilder]: For program point L784(lines 784 1664) no Hoare annotation was computed. [2021-08-25 22:13:49,682 INFO L857 garLoopResultBuilder]: For program point L652(lines 652 661) no Hoare annotation was computed. [2021-08-25 22:13:49,682 INFO L857 garLoopResultBuilder]: For program point L652-2(lines 652 661) no Hoare annotation was computed. [2021-08-25 22:13:49,682 INFO L857 garLoopResultBuilder]: For program point L124-1(lines 33 1666) no Hoare annotation was computed. [2021-08-25 22:13:49,682 INFO L857 garLoopResultBuilder]: For program point L917(lines 917 1664) no Hoare annotation was computed. [2021-08-25 22:13:49,682 INFO L857 garLoopResultBuilder]: For program point L257(lines 257 1664) no Hoare annotation was computed. [2021-08-25 22:13:49,683 INFO L857 garLoopResultBuilder]: For program point L1182(lines 1182 1664) no Hoare annotation was computed. [2021-08-25 22:13:49,683 INFO L857 garLoopResultBuilder]: For program point L125(line 125) no Hoare annotation was computed. [2021-08-25 22:13:49,683 INFO L857 garLoopResultBuilder]: For program point L1711(lines 1711 1766) no Hoare annotation was computed. [2021-08-25 22:13:49,683 INFO L857 garLoopResultBuilder]: For program point L390(lines 390 1664) no Hoare annotation was computed. [2021-08-25 22:13:49,683 INFO L857 garLoopResultBuilder]: For program point L1580(lines 1580 1664) no Hoare annotation was computed. [2021-08-25 22:13:49,683 INFO L857 garLoopResultBuilder]: For program point L1448(lines 1448 1664) no Hoare annotation was computed. [2021-08-25 22:13:49,683 INFO L857 garLoopResultBuilder]: For program point L1316(lines 1316 1664) no Hoare annotation was computed. [2021-08-25 22:13:49,683 INFO L857 garLoopResultBuilder]: For program point L127-1(lines 33 1666) no Hoare annotation was computed. [2021-08-25 22:13:49,684 INFO L857 garLoopResultBuilder]: For program point L1581(lines 1581 1591) no Hoare annotation was computed. [2021-08-25 22:13:49,684 INFO L857 garLoopResultBuilder]: For program point L524(lines 524 1664) no Hoare annotation was computed. [2021-08-25 22:13:49,684 INFO L857 garLoopResultBuilder]: For program point L1581-2(lines 1581 1591) no Hoare annotation was computed. [2021-08-25 22:13:49,684 INFO L857 garLoopResultBuilder]: For program point L1449(lines 1449 1458) no Hoare annotation was computed. [2021-08-25 22:13:49,684 INFO L857 garLoopResultBuilder]: For program point L1449-2(lines 1449 1458) no Hoare annotation was computed. [2021-08-25 22:13:49,684 INFO L857 garLoopResultBuilder]: For program point L128(line 128) no Hoare annotation was computed. [2021-08-25 22:13:49,684 INFO L857 garLoopResultBuilder]: For program point L789(lines 789 1664) no Hoare annotation was computed. [2021-08-25 22:13:49,684 INFO L857 garLoopResultBuilder]: For program point L1054(lines 1054 1664) no Hoare annotation was computed. [2021-08-25 22:13:49,685 INFO L857 garLoopResultBuilder]: For program point L922(lines 922 1664) no Hoare annotation was computed. [2021-08-25 22:13:49,685 INFO L857 garLoopResultBuilder]: For program point L394(lines 394 1664) no Hoare annotation was computed. [2021-08-25 22:13:49,685 INFO L857 garLoopResultBuilder]: For program point L130-1(lines 33 1666) no Hoare annotation was computed. [2021-08-25 22:13:49,685 INFO L857 garLoopResultBuilder]: For program point L1716(lines 1716 1766) no Hoare annotation was computed. [2021-08-25 22:13:49,685 INFO L857 garLoopResultBuilder]: For program point L263(lines 263 1664) no Hoare annotation was computed. [2021-08-25 22:13:49,685 INFO L857 garLoopResultBuilder]: For program point L1188(lines 1188 1664) no Hoare annotation was computed. [2021-08-25 22:13:49,685 INFO L857 garLoopResultBuilder]: For program point L131(line 131) no Hoare annotation was computed. [2021-08-25 22:13:49,685 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-08-25 22:13:49,686 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 170) no Hoare annotation was computed. [2021-08-25 22:13:49,686 INFO L857 garLoopResultBuilder]: For program point L133-1(lines 33 1666) no Hoare annotation was computed. [2021-08-25 22:13:49,686 INFO L857 garLoopResultBuilder]: For program point L1719(lines 1719 1766) no Hoare annotation was computed. [2021-08-25 22:13:49,686 INFO L857 garLoopResultBuilder]: For program point L662(lines 662 1664) no Hoare annotation was computed. [2021-08-25 22:13:49,686 INFO L857 garLoopResultBuilder]: For program point L530(lines 530 1664) no Hoare annotation was computed. [2021-08-25 22:13:49,686 INFO L857 garLoopResultBuilder]: For program point L1323(lines 1323 1664) no Hoare annotation was computed. [2021-08-25 22:13:49,686 INFO L857 garLoopResultBuilder]: For program point L134(line 134) no Hoare annotation was computed. [2021-08-25 22:13:49,686 INFO L857 garLoopResultBuilder]: For program point L1059(lines 1059 1664) no Hoare annotation was computed. [2021-08-25 22:13:49,686 INFO L857 garLoopResultBuilder]: For program point L1720(lines 1720 1731) no Hoare annotation was computed. [2021-08-25 22:13:49,686 INFO L857 garLoopResultBuilder]: For program point L1720-2(lines 1720 1731) no Hoare annotation was computed. [2021-08-25 22:13:49,686 INFO L857 garLoopResultBuilder]: For program point L531(lines 531 538) no Hoare annotation was computed. [2021-08-25 22:13:49,686 INFO L857 garLoopResultBuilder]: For program point L531-2(lines 531 538) no Hoare annotation was computed. [2021-08-25 22:13:49,686 INFO L857 garLoopResultBuilder]: For program point L1060(lines 1060 1071) no Hoare annotation was computed. [2021-08-25 22:13:49,687 INFO L857 garLoopResultBuilder]: For program point L1060-2(lines 1060 1071) no Hoare annotation was computed. [2021-08-25 22:13:49,687 INFO L857 garLoopResultBuilder]: For program point L796(lines 796 1664) no Hoare annotation was computed. [2021-08-25 22:13:49,687 INFO L857 garLoopResultBuilder]: For program point L400(lines 400 1664) no Hoare annotation was computed. [2021-08-25 22:13:49,687 INFO L857 garLoopResultBuilder]: For program point L136-1(lines 33 1666) no Hoare annotation was computed. [2021-08-25 22:13:49,687 INFO L857 garLoopResultBuilder]: For program point L929(lines 929 1664) no Hoare annotation was computed. [2021-08-25 22:13:49,687 INFO L857 garLoopResultBuilder]: For program point L401(lines 401 412) no Hoare annotation was computed. [2021-08-25 22:13:49,687 INFO L857 garLoopResultBuilder]: For program point L401-2(lines 401 412) no Hoare annotation was computed. [2021-08-25 22:13:49,687 INFO L857 garLoopResultBuilder]: For program point L1194(lines 1194 1664) no Hoare annotation was computed. [2021-08-25 22:13:49,687 INFO L857 garLoopResultBuilder]: For program point L137(line 137) no Hoare annotation was computed. [2021-08-25 22:13:49,687 INFO L857 garLoopResultBuilder]: For program point L1459(lines 1459 1664) no Hoare annotation was computed. [2021-08-25 22:13:49,687 INFO L857 garLoopResultBuilder]: For program point L1327(lines 1327 1664) no Hoare annotation was computed. [2021-08-25 22:13:49,687 INFO L857 garLoopResultBuilder]: For program point L270(lines 270 1664) no Hoare annotation was computed. [2021-08-25 22:13:49,687 INFO L857 garLoopResultBuilder]: For program point L667(lines 667 1664) no Hoare annotation was computed. [2021-08-25 22:13:49,687 INFO L857 garLoopResultBuilder]: For program point L1592(lines 1592 1664) no Hoare annotation was computed. [2021-08-25 22:13:49,687 INFO L857 garLoopResultBuilder]: For program point L139-1(lines 33 1666) no Hoare annotation was computed. [2021-08-25 22:13:49,687 INFO L857 garLoopResultBuilder]: For program point L140(line 140) no Hoare annotation was computed. [2021-08-25 22:13:49,687 INFO L857 garLoopResultBuilder]: For program point L1331(lines 1331 1664) no Hoare annotation was computed. [2021-08-25 22:13:49,688 INFO L857 garLoopResultBuilder]: For program point L142-1(lines 33 1666) no Hoare annotation was computed. [2021-08-25 22:13:49,688 INFO L857 garLoopResultBuilder]: For program point L935(lines 935 1664) no Hoare annotation was computed. [2021-08-25 22:13:49,688 INFO L857 garLoopResultBuilder]: For program point L803(lines 803 1664) no Hoare annotation was computed. [2021-08-25 22:13:49,688 INFO L857 garLoopResultBuilder]: For program point L539(lines 539 1664) no Hoare annotation was computed. [2021-08-25 22:13:49,688 INFO L857 garLoopResultBuilder]: For program point L1332(lines 1332 1342) no Hoare annotation was computed. [2021-08-25 22:13:49,688 INFO L857 garLoopResultBuilder]: For program point L1332-2(lines 1332 1342) no Hoare annotation was computed. [2021-08-25 22:13:49,688 INFO L857 garLoopResultBuilder]: For program point L1200(lines 1200 1664) no Hoare annotation was computed. [2021-08-25 22:13:49,688 INFO L857 garLoopResultBuilder]: For program point L143(line 143) no Hoare annotation was computed. [2021-08-25 22:13:49,688 INFO L857 garLoopResultBuilder]: For program point L804(lines 804 813) no Hoare annotation was computed. [2021-08-25 22:13:49,688 INFO L857 garLoopResultBuilder]: For program point L804-2(lines 804 813) no Hoare annotation was computed. [2021-08-25 22:13:49,688 INFO L857 garLoopResultBuilder]: For program point L672(lines 672 1664) no Hoare annotation was computed. [2021-08-25 22:13:49,688 INFO L857 garLoopResultBuilder]: For program point L540(lines 540 551) no Hoare annotation was computed. [2021-08-25 22:13:49,688 INFO L857 garLoopResultBuilder]: For program point L540-2(lines 540 551) no Hoare annotation was computed. [2021-08-25 22:13:49,688 INFO L857 garLoopResultBuilder]: For program point L276(lines 276 1664) no Hoare annotation was computed. [2021-08-25 22:13:49,688 INFO L857 garLoopResultBuilder]: For program point L1466(lines 1466 1664) no Hoare annotation was computed. [2021-08-25 22:13:49,688 INFO L857 garLoopResultBuilder]: For program point L145-1(lines 33 1666) no Hoare annotation was computed. [2021-08-25 22:13:49,688 INFO L857 garLoopResultBuilder]: For program point L1599(lines 1599 1664) no Hoare annotation was computed. [2021-08-25 22:13:49,688 INFO L857 garLoopResultBuilder]: For program point L146(line 146) no Hoare annotation was computed. [2021-08-25 22:13:49,688 INFO L857 garLoopResultBuilder]: For program point L1732(lines 1732 1766) no Hoare annotation was computed. [2021-08-25 22:13:49,688 INFO L857 garLoopResultBuilder]: For program point L1072(lines 1072 1664) no Hoare annotation was computed. [2021-08-25 22:13:49,688 INFO L857 garLoopResultBuilder]: For program point L940(lines 940 1664) no Hoare annotation was computed. [2021-08-25 22:13:49,688 INFO L857 garLoopResultBuilder]: For program point L148-1(lines 33 1666) no Hoare annotation was computed. [2021-08-25 22:13:49,689 INFO L857 garLoopResultBuilder]: For program point L1073(lines 1073 1083) no Hoare annotation was computed. [2021-08-25 22:13:49,689 INFO L857 garLoopResultBuilder]: For program point L1073-2(lines 1073 1083) no Hoare annotation was computed. [2021-08-25 22:13:49,689 INFO L857 garLoopResultBuilder]: For program point L413(lines 413 1664) no Hoare annotation was computed. [2021-08-25 22:13:49,689 INFO L857 garLoopResultBuilder]: For program point L149(line 149) no Hoare annotation was computed. [2021-08-25 22:13:49,689 INFO L857 garLoopResultBuilder]: For program point L678(lines 678 1664) no Hoare annotation was computed. [2021-08-25 22:13:49,689 INFO L857 garLoopResultBuilder]: For program point L1471(lines 1471 1664) no Hoare annotation was computed. [2021-08-25 22:13:49,689 INFO L857 garLoopResultBuilder]: For program point L1207(lines 1207 1664) no Hoare annotation was computed. [2021-08-25 22:13:49,689 INFO L857 garLoopResultBuilder]: For program point L283(lines 283 1664) no Hoare annotation was computed. [2021-08-25 22:13:49,689 INFO L857 garLoopResultBuilder]: For program point L151-1(lines 33 1666) no Hoare annotation was computed. [2021-08-25 22:13:49,689 INFO L857 garLoopResultBuilder]: For program point L1605(lines 1605 1664) no Hoare annotation was computed. [2021-08-25 22:13:49,689 INFO L857 garLoopResultBuilder]: For program point L152(line 152) no Hoare annotation was computed. [2021-08-25 22:13:49,689 INFO L857 garLoopResultBuilder]: For program point L945(lines 945 1664) no Hoare annotation was computed. [2021-08-25 22:13:49,689 INFO L857 garLoopResultBuilder]: For program point L814(lines 814 1664) no Hoare annotation was computed. [2021-08-25 22:13:49,689 INFO L857 garLoopResultBuilder]: For program point L1739(lines 1739 1766) no Hoare annotation was computed. [2021-08-25 22:13:49,689 INFO L857 garLoopResultBuilder]: For program point L418(lines 418 1664) no Hoare annotation was computed. [2021-08-25 22:13:49,689 INFO L857 garLoopResultBuilder]: For program point L1343(lines 1343 1664) no Hoare annotation was computed. [2021-08-25 22:13:49,689 INFO L857 garLoopResultBuilder]: For program point L154-1(lines 33 1666) no Hoare annotation was computed. [2021-08-25 22:13:49,689 INFO L857 garLoopResultBuilder]: For program point L1476(lines 1476 1664) no Hoare annotation was computed. [2021-08-25 22:13:49,689 INFO L857 garLoopResultBuilder]: For program point L155(line 155) no Hoare annotation was computed. [2021-08-25 22:13:49,689 INFO L857 garLoopResultBuilder]: For program point L552(lines 552 1664) no Hoare annotation was computed. [2021-08-25 22:13:49,689 INFO L857 garLoopResultBuilder]: For program point L288(lines 288 1664) no Hoare annotation was computed. [2021-08-25 22:13:49,689 INFO L857 garLoopResultBuilder]: For program point L1213(lines 1213 1664) no Hoare annotation was computed. [2021-08-25 22:13:49,690 INFO L857 garLoopResultBuilder]: For program point L685(lines 685 1664) no Hoare annotation was computed. [2021-08-25 22:13:49,690 INFO L857 garLoopResultBuilder]: For program point L157-1(lines 33 1666) no Hoare annotation was computed. [2021-08-25 22:13:49,690 INFO L857 garLoopResultBuilder]: For program point L158(line 158) no Hoare annotation was computed. [2021-08-25 22:13:49,690 INFO L857 garLoopResultBuilder]: For program point L1612(lines 1612 1664) no Hoare annotation was computed. [2021-08-25 22:13:49,690 INFO L857 garLoopResultBuilder]: For program point L1348(lines 1348 1664) no Hoare annotation was computed. [2021-08-25 22:13:49,690 INFO L857 garLoopResultBuilder]: For program point L1084(lines 1084 1664) no Hoare annotation was computed. [2021-08-25 22:13:49,690 INFO L857 garLoopResultBuilder]: For program point L952(lines 952 1664) no Hoare annotation was computed. [2021-08-25 22:13:49,690 INFO L857 garLoopResultBuilder]: For program point L1745(lines 1745 1766) no Hoare annotation was computed. [2021-08-25 22:13:49,690 INFO L857 garLoopResultBuilder]: For program point L556(lines 556 1664) no Hoare annotation was computed. [2021-08-25 22:13:49,690 INFO L857 garLoopResultBuilder]: For program point L160-1(lines 33 1666) no Hoare annotation was computed. [2021-08-25 22:13:49,690 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-08-25 22:13:49,691 INFO L857 garLoopResultBuilder]: For program point L821(lines 821 1664) no Hoare annotation was computed. [2021-08-25 22:13:49,691 INFO L857 garLoopResultBuilder]: For program point L557(lines 557 566) no Hoare annotation was computed. [2021-08-25 22:13:49,691 INFO L857 garLoopResultBuilder]: For program point L557-2(lines 557 566) no Hoare annotation was computed. [2021-08-25 22:13:49,691 INFO L857 garLoopResultBuilder]: For program point L425(lines 425 1664) no Hoare annotation was computed. [2021-08-25 22:13:49,691 INFO L857 garLoopResultBuilder]: For program point L1218(lines 1218 1664) no Hoare annotation was computed. [2021-08-25 22:13:49,691 INFO L857 garLoopResultBuilder]: For program point L161(line 161) no Hoare annotation was computed. [2021-08-25 22:13:49,691 INFO L857 garLoopResultBuilder]: For program point L1483(lines 1483 1664) no Hoare annotation was computed. [2021-08-25 22:13:49,691 INFO L857 garLoopResultBuilder]: For program point L691(lines 691 1664) no Hoare annotation was computed. [2021-08-25 22:13:49,691 INFO L857 garLoopResultBuilder]: For program point L1616(lines 1616 1664) no Hoare annotation was computed. [2021-08-25 22:13:49,691 INFO L857 garLoopResultBuilder]: For program point L295(lines 295 1664) no Hoare annotation was computed. [2021-08-25 22:13:49,691 INFO L857 garLoopResultBuilder]: For program point L163-1(lines 33 1666) no Hoare annotation was computed. [2021-08-25 22:13:49,691 INFO L857 garLoopResultBuilder]: For program point L164(line 164) no Hoare annotation was computed. [2021-08-25 22:13:49,691 INFO L857 garLoopResultBuilder]: For program point L1354(lines 1354 1664) no Hoare annotation was computed. [2021-08-25 22:13:49,691 INFO L857 garLoopResultBuilder]: For program point L1222(lines 1222 1664) no Hoare annotation was computed. [2021-08-25 22:13:49,691 INFO L857 garLoopResultBuilder]: For program point L958(lines 958 1664) no Hoare annotation was computed. [2021-08-25 22:13:49,691 INFO L857 garLoopResultBuilder]: For program point L166-1(lines 33 1666) no Hoare annotation was computed. [2021-08-25 22:13:49,691 INFO L857 garLoopResultBuilder]: For program point L1091(lines 1091 1664) no Hoare annotation was computed. [2021-08-25 22:13:49,691 INFO L857 garLoopResultBuilder]: For program point L34(lines 34 36) no Hoare annotation was computed. [2021-08-25 22:13:49,691 INFO L857 garLoopResultBuilder]: For program point L34-2(lines 33 1666) no Hoare annotation was computed. [2021-08-25 22:13:49,691 INFO L857 garLoopResultBuilder]: For program point L827(lines 827 1664) no Hoare annotation was computed. [2021-08-25 22:13:49,691 INFO L857 garLoopResultBuilder]: For program point L1752(lines 1752 1766) no Hoare annotation was computed. [2021-08-25 22:13:49,691 INFO L857 garLoopResultBuilder]: For program point L1488(lines 1488 1664) no Hoare annotation was computed. [2021-08-25 22:13:49,691 INFO L857 garLoopResultBuilder]: For program point L167(line 167) no Hoare annotation was computed. [2021-08-25 22:13:49,692 INFO L857 garLoopResultBuilder]: For program point L35(line 35) no Hoare annotation was computed. [2021-08-25 22:13:49,692 INFO L857 garLoopResultBuilder]: For program point L432(lines 432 1664) no Hoare annotation was computed. [2021-08-25 22:13:49,692 INFO L857 garLoopResultBuilder]: For program point L697(lines 697 1664) no Hoare annotation was computed. [2021-08-25 22:13:49,692 INFO L857 garLoopResultBuilder]: For program point L1622(lines 1622 1664) no Hoare annotation was computed. [2021-08-25 22:13:49,692 INFO L857 garLoopResultBuilder]: For program point L169-1(lines 33 1666) no Hoare annotation was computed. [2021-08-25 22:13:49,692 INFO L857 garLoopResultBuilder]: For program point L37-1(lines 33 1666) no Hoare annotation was computed. [2021-08-25 22:13:49,692 INFO L857 garLoopResultBuilder]: For program point L1623(lines 1623 1632) no Hoare annotation was computed. [2021-08-25 22:13:49,692 INFO L857 garLoopResultBuilder]: For program point L1623-2(lines 1623 1632) no Hoare annotation was computed. [2021-08-25 22:13:49,692 INFO L857 garLoopResultBuilder]: For program point L302(lines 302 1664) no Hoare annotation was computed. [2021-08-25 22:13:49,692 INFO L857 garLoopResultBuilder]: For program point L170(line 170) no Hoare annotation was computed. [2021-08-25 22:13:49,692 INFO L857 garLoopResultBuilder]: For program point L38(line 38) no Hoare annotation was computed. [2021-08-25 22:13:49,692 INFO L857 garLoopResultBuilder]: For program point L567(lines 567 1664) no Hoare annotation was computed. [2021-08-25 22:13:49,692 INFO L857 garLoopResultBuilder]: For program point L1492(lines 1492 1664) no Hoare annotation was computed. [2021-08-25 22:13:49,693 INFO L857 garLoopResultBuilder]: For program point L1360(lines 1360 1664) no Hoare annotation was computed. [2021-08-25 22:13:49,693 INFO L857 garLoopResultBuilder]: For program point L1228(lines 1228 1664) no Hoare annotation was computed. [2021-08-25 22:13:49,693 INFO L857 garLoopResultBuilder]: For program point L1096(lines 1096 1664) no Hoare annotation was computed. [2021-08-25 22:13:49,693 INFO L857 garLoopResultBuilder]: For program point L568(lines 568 578) no Hoare annotation was computed. [2021-08-25 22:13:49,693 INFO L857 garLoopResultBuilder]: For program point L568-2(lines 568 578) no Hoare annotation was computed. [2021-08-25 22:13:49,693 INFO L857 garLoopResultBuilder]: For program point L1361(lines 1361 1368) no Hoare annotation was computed. [2021-08-25 22:13:49,693 INFO L857 garLoopResultBuilder]: For program point L1361-2(lines 1361 1368) no Hoare annotation was computed. [2021-08-25 22:13:49,693 INFO L857 garLoopResultBuilder]: For program point L172-1(lines 33 1666) no Hoare annotation was computed. [2021-08-25 22:13:49,693 INFO L857 garLoopResultBuilder]: For program point L40-1(lines 33 1666) no Hoare annotation was computed. [2021-08-25 22:13:49,693 INFO L857 garLoopResultBuilder]: For program point L965(lines 965 1664) no Hoare annotation was computed. [2021-08-25 22:13:49,693 INFO L857 garLoopResultBuilder]: For program point L173(line 173) no Hoare annotation was computed. [2021-08-25 22:13:49,693 INFO L857 garLoopResultBuilder]: For program point L41(line 41) no Hoare annotation was computed. [2021-08-25 22:13:49,693 INFO L857 garLoopResultBuilder]: For program point L834(lines 834 1664) no Hoare annotation was computed. [2021-08-25 22:13:49,693 INFO L857 garLoopResultBuilder]: For program point L1759(lines 1759 1766) no Hoare annotation was computed. [2021-08-25 22:13:49,693 INFO L857 garLoopResultBuilder]: For program point L438(lines 438 1664) no Hoare annotation was computed. [2021-08-25 22:13:49,693 INFO L857 garLoopResultBuilder]: For program point L703(lines 703 1664) no Hoare annotation was computed. [2021-08-25 22:13:49,693 INFO L857 garLoopResultBuilder]: For program point L175-1(lines 33 1666) no Hoare annotation was computed. [2021-08-25 22:13:49,693 INFO L857 garLoopResultBuilder]: For program point L43-1(lines 33 1666) no Hoare annotation was computed. [2021-08-25 22:13:49,693 INFO L857 garLoopResultBuilder]: For program point L704(lines 704 716) no Hoare annotation was computed. [2021-08-25 22:13:49,693 INFO L857 garLoopResultBuilder]: For program point L704-2(lines 704 716) no Hoare annotation was computed. [2021-08-25 22:13:49,693 INFO L857 garLoopResultBuilder]: For program point L176(line 176) no Hoare annotation was computed. [2021-08-25 22:13:49,693 INFO L857 garLoopResultBuilder]: For program point L1101(lines 1101 1664) no Hoare annotation was computed. [2021-08-25 22:13:49,694 INFO L857 garLoopResultBuilder]: For program point L44(line 44) no Hoare annotation was computed. [2021-08-25 22:13:49,694 INFO L857 garLoopResultBuilder]: For program point L969(lines 969 1664) no Hoare annotation was computed. [2021-08-25 22:13:49,694 INFO L857 garLoopResultBuilder]: For program point L1498(lines 1498 1664) no Hoare annotation was computed. [2021-08-25 22:13:49,694 INFO L857 garLoopResultBuilder]: For program point L309(lines 309 1664) no Hoare annotation was computed. [2021-08-25 22:13:49,694 INFO L857 garLoopResultBuilder]: For program point L1234(lines 1234 1664) no Hoare annotation was computed. [2021-08-25 22:13:49,694 INFO L857 garLoopResultBuilder]: For program point L178-1(lines 33 1666) no Hoare annotation was computed. [2021-08-25 22:13:49,694 INFO L857 garLoopResultBuilder]: For program point L46-1(lines 33 1666) no Hoare annotation was computed. [2021-08-25 22:13:49,694 INFO L857 garLoopResultBuilder]: For program point L839(lines 839 1664) no Hoare annotation was computed. [2021-08-25 22:13:49,695 INFO L857 garLoopResultBuilder]: For program point L443(lines 443 1664) no Hoare annotation was computed. [2021-08-25 22:13:49,695 INFO L857 garLoopResultBuilder]: For program point L179(line 179) no Hoare annotation was computed. [2021-08-25 22:13:49,695 INFO L857 garLoopResultBuilder]: For program point L47(line 47) no Hoare annotation was computed. [2021-08-25 22:13:49,695 INFO L857 garLoopResultBuilder]: For program point L840(lines 840 849) no Hoare annotation was computed. [2021-08-25 22:13:49,695 INFO L857 garLoopResultBuilder]: For program point L840-2(lines 840 849) no Hoare annotation was computed. [2021-08-25 22:13:49,695 INFO L857 garLoopResultBuilder]: For program point L1633(lines 1633 1664) no Hoare annotation was computed. [2021-08-25 22:13:49,695 INFO L857 garLoopResultBuilder]: For program point L1369(lines 1369 1664) no Hoare annotation was computed. [2021-08-25 22:13:49,696 INFO L857 garLoopResultBuilder]: For program point L181-1(lines 33 1666) no Hoare annotation was computed. [2021-08-25 22:13:49,696 INFO L857 garLoopResultBuilder]: For program point L49-1(lines 33 1666) no Hoare annotation was computed. [2021-08-25 22:13:49,696 INFO L853 garLoopResultBuilder]: At program point L1767(lines 1668 1768) the Hoare annotation is: (let ((.cse10 (< 0 (+ ~a4~0 86))) (.cse26 (+ ~a0~0 147))) (let ((.cse9 (or .cse10 (< 0 .cse26) (< 0 (+ ~a29~0 16)) (<= (+ ~a29~0 144) 0))) (.cse18 (<= 96176 ~a29~0)) (.cse16 (<= (+ ~a29~0 127) 0)) (.cse19 (= ~a2~0 1)) (.cse15 (<= 0 (+ ~a0~0 83))) (.cse7 (<= .cse26 0)) (.cse0 (<= 0 (+ ~a29~0 15))) (.cse24 (<= ~a29~0 135551)) (.cse12 (<= (+ ~a29~0 145) 0)) (.cse1 (<= (+ 89 ~a4~0) 0)) (.cse14 (<= ~a29~0 41)) (.cse11 (= 2 ~a2~0)) (.cse6 (= 3 ~a2~0)) (.cse23 (<= 0 (+ 143 ~a0~0))) (.cse20 (<= (+ ~a0~0 99) 0)) (.cse21 (<= ~a29~0 4455)) (.cse17 (<= 0 (+ 97 ~a0~0))) (.cse8 (= ~a2~0 4)) (.cse2 (<= (+ ~a0~0 61) 0)) (.cse13 (<= 0 (+ ~a29~0 192415))) (.cse22 (= 5 ~a2~0)) (.cse3 (<= 44 ~a29~0)) (.cse4 (<= 0 (+ ~a0~0 60))) (.cse5 (<= ~a29~0 599998))) (or (and .cse0 .cse1 .cse2) (and .cse3 .cse4 .cse5 .cse6) (and .cse7 .cse8 .cse9) (and .cse10 .cse11 .cse12 .cse13) (and .cse14 .cse15 .cse6 .cse2) (and .cse11 .cse3 .cse7 .cse2) (and .cse9 .cse6 .cse16 .cse2) (and .cse17 .cse8 .cse18) (and (or (and .cse8 .cse18) (and .cse10 .cse3 .cse8 .cse2)) .cse5) (and .cse19 .cse16) (and .cse14 .cse1 .cse19) (and .cse14 .cse0 .cse7 .cse6) (and .cse14 .cse0 .cse15 .cse6) (and .cse10 .cse14 .cse20 .cse6) (and .cse11 .cse4 (<= (+ ~a29~0 107481) 0)) (and .cse17 .cse1 .cse2) (and .cse21 .cse0 .cse19) (and .cse22 .cse3 .cse2) (and .cse7 .cse19) (and .cse19 .cse5 .cse2) (and .cse10 .cse7 .cse5 .cse6) (and .cse10 .cse11 .cse7) (and .cse12 .cse1 .cse6) (and .cse10 .cse14 .cse19) (and .cse21 .cse0 .cse8 .cse15) (and .cse22 .cse14 .cse0) (and .cse14 .cse1 .cse8) (and .cse10 .cse23 .cse20 .cse6 .cse24) (and .cse11 .cse1 .cse5) (and .cse11 .cse3 .cse5 .cse2) (and .cse10 .cse22 .cse7 .cse13) (and .cse10 .cse17 .cse11 .cse0 .cse5 .cse2) (and .cse10 .cse14 .cse17 .cse6 .cse2) (and .cse22 .cse14 .cse2 .cse13) (and .cse10 .cse14 .cse11 .cse0 .cse2) (and .cse23 .cse14 .cse8 .cse2 .cse13) (and .cse11 .cse3 .cse24) (and .cse12 .cse1 .cse2) (and .cse10 .cse14 .cse11 .cse20 .cse13) (let ((.cse25 (< 0 (+ 42 ~a4~0)))) (and .cse10 (or .cse25 (not (= 2 ULTIMATE.start_calculate_output_~input))) .cse3 .cse20 (or (not (= 2 ULTIMATE.start_calculate_output2_~input)) .cse25) .cse5 .cse6)) (and .cse10 .cse22 .cse23 .cse20 (<= (+ 129905 ~a29~0) 0)) (and .cse21 .cse17 .cse8 .cse2 .cse13) (and .cse22 .cse3 .cse4 .cse5)))) [2021-08-25 22:13:49,697 INFO L857 garLoopResultBuilder]: For program point L182(line 182) no Hoare annotation was computed. [2021-08-25 22:13:49,697 INFO L857 garLoopResultBuilder]: For program point L50(line 50) no Hoare annotation was computed. [2021-08-25 22:13:49,697 INFO L857 garLoopResultBuilder]: For program point L579(lines 579 1664) no Hoare annotation was computed. [2021-08-25 22:13:49,697 INFO L857 garLoopResultBuilder]: For program point L1504(lines 1504 1664) no Hoare annotation was computed. [2021-08-25 22:13:49,697 INFO L857 garLoopResultBuilder]: For program point L1108(lines 1108 1664) no Hoare annotation was computed. [2021-08-25 22:13:49,698 INFO L857 garLoopResultBuilder]: For program point L976(lines 976 1664) no Hoare annotation was computed. [2021-08-25 22:13:49,698 INFO L857 garLoopResultBuilder]: For program point L316(lines 316 1664) no Hoare annotation was computed. [2021-08-25 22:13:49,698 INFO L857 garLoopResultBuilder]: For program point L1241(lines 1241 1664) no Hoare annotation was computed. [2021-08-25 22:13:49,698 INFO L857 garLoopResultBuilder]: For program point L184-1(lines 33 1666) no Hoare annotation was computed. [2021-08-25 22:13:49,698 INFO L857 garLoopResultBuilder]: For program point L1109(lines 1109 1117) no Hoare annotation was computed. [2021-08-25 22:13:49,698 INFO L857 garLoopResultBuilder]: For program point L52-1(lines 33 1666) no Hoare annotation was computed. [2021-08-25 22:13:49,698 INFO L857 garLoopResultBuilder]: For program point L1109-2(lines 1109 1117) no Hoare annotation was computed. [2021-08-25 22:13:49,698 INFO L860 garLoopResultBuilder]: At program point L1770(lines 1770 1786) the Hoare annotation is: true [2021-08-25 22:13:49,698 INFO L857 garLoopResultBuilder]: For program point L449(lines 449 1664) no Hoare annotation was computed. [2021-08-25 22:13:49,698 INFO L857 garLoopResultBuilder]: For program point L317(lines 317 329) no Hoare annotation was computed. [2021-08-25 22:13:49,698 INFO L857 garLoopResultBuilder]: For program point L317-2(lines 317 329) no Hoare annotation was computed. [2021-08-25 22:13:49,698 INFO L857 garLoopResultBuilder]: For program point L185(line 185) no Hoare annotation was computed. [2021-08-25 22:13:49,698 INFO L857 garLoopResultBuilder]: For program point L53(line 53) no Hoare annotation was computed. [2021-08-25 22:13:49,698 INFO L857 garLoopResultBuilder]: For program point L1639(lines 1639 1664) no Hoare annotation was computed. [2021-08-25 22:13:49,698 INFO L857 garLoopResultBuilder]: For program point L1375(lines 1375 1664) no Hoare annotation was computed. [2021-08-25 22:13:49,699 INFO L857 garLoopResultBuilder]: For program point L187-1(lines 33 1666) no Hoare annotation was computed. [2021-08-25 22:13:49,699 INFO L857 garLoopResultBuilder]: For program point L55-1(lines 33 1666) no Hoare annotation was computed. [2021-08-25 22:13:49,699 INFO L857 garLoopResultBuilder]: For program point L584(lines 584 1664) no Hoare annotation was computed. [2021-08-25 22:13:49,699 INFO L857 garLoopResultBuilder]: For program point L188(line 188) no Hoare annotation was computed. [2021-08-25 22:13:49,699 INFO L857 garLoopResultBuilder]: For program point L56(line 56) no Hoare annotation was computed. [2021-08-25 22:13:49,699 INFO L857 garLoopResultBuilder]: For program point L717(lines 717 1664) no Hoare annotation was computed. [2021-08-25 22:13:49,699 INFO L857 garLoopResultBuilder]: For program point L585(lines 585 596) no Hoare annotation was computed. [2021-08-25 22:13:49,699 INFO L857 garLoopResultBuilder]: For program point L585-2(lines 585 596) no Hoare annotation was computed. [2021-08-25 22:13:49,699 INFO L857 garLoopResultBuilder]: For program point L850(lines 850 1664) no Hoare annotation was computed. [2021-08-25 22:13:49,699 INFO L857 garLoopResultBuilder]: For program point L1511(lines 1511 1664) no Hoare annotation was computed. [2021-08-25 22:13:49,699 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-08-25 22:13:49,699 INFO L857 garLoopResultBuilder]: For program point L1247(lines 1247 1664) no Hoare annotation was computed. [2021-08-25 22:13:49,699 INFO L857 garLoopResultBuilder]: For program point L190-1(lines 33 1666) no Hoare annotation was computed. [2021-08-25 22:13:49,699 INFO L857 garLoopResultBuilder]: For program point L58-1(lines 33 1666) no Hoare annotation was computed. [2021-08-25 22:13:49,699 INFO L857 garLoopResultBuilder]: For program point L983(lines 983 1664) no Hoare annotation was computed. [2021-08-25 22:13:49,699 INFO L853 garLoopResultBuilder]: At program point L1776-2(lines 1776 1785) the Hoare annotation is: (let ((.cse12 (< 0 (+ ~a4~0 86))) (.cse25 (+ ~a0~0 147))) (let ((.cse9 (or .cse12 (< 0 .cse25) (< 0 (+ ~a29~0 16)) (<= (+ ~a29~0 144) 0))) (.cse18 (<= 96176 ~a29~0)) (.cse17 (<= (+ ~a29~0 127) 0)) (.cse11 (<= 0 (+ ~a0~0 83))) (.cse19 (= ~a2~0 1)) (.cse6 (= 3 ~a2~0)) (.cse7 (<= .cse25 0)) (.cse22 (<= ~a29~0 4455)) (.cse13 (<= 0 (+ 97 ~a0~0))) (.cse0 (<= 0 (+ ~a29~0 15))) (.cse8 (= ~a2~0 4)) (.cse21 (<= ~a29~0 135551)) (.cse15 (<= (+ ~a29~0 145) 0)) (.cse1 (<= (+ 89 ~a4~0) 0)) (.cse2 (<= (+ ~a0~0 61) 0)) (.cse10 (<= ~a29~0 41)) (.cse14 (= 2 ~a2~0)) (.cse16 (<= 0 (+ ~a29~0 192415))) (.cse24 (<= 0 (+ 143 ~a0~0))) (.cse20 (<= (+ ~a0~0 99) 0)) (.cse23 (= 5 ~a2~0)) (.cse3 (<= 44 ~a29~0)) (.cse4 (<= 0 (+ ~a0~0 60))) (.cse5 (<= ~a29~0 599998))) (or (and .cse0 .cse1 .cse2) (and .cse3 .cse4 .cse5 .cse6) (and .cse7 .cse8 .cse9) (and (or (and .cse10 .cse11 .cse6 .cse2) (and .cse12 .cse10 .cse6 .cse2)) .cse13) (and .cse12 .cse14 .cse15 .cse16) (and .cse14 .cse3 .cse7 .cse2) (and .cse9 .cse6 .cse17 .cse2) (and .cse13 .cse8 .cse18) (and (or (and .cse8 .cse18) (and .cse12 .cse3 .cse8 .cse2)) .cse5) (and .cse19 .cse17) (and .cse10 .cse1 .cse19) (and .cse10 .cse0 .cse7 .cse6) (and .cse12 (or (< 0 (+ 42 ~a4~0)) (not (= 2 ULTIMATE.start_calculate_output_~input))) .cse3 .cse20 .cse5 .cse6) (and .cse10 .cse0 .cse11 .cse6) (and .cse12 .cse10 .cse20 .cse6 .cse21) (and .cse14 .cse4 (<= (+ ~a29~0 107481) 0)) (and .cse13 .cse1 .cse2) (and .cse22 .cse0 .cse19) (and .cse23 .cse3 .cse2) (and .cse7 .cse19) (and .cse19 .cse5 .cse2) (and .cse12 .cse7 .cse5 .cse6) (and .cse12 .cse14 .cse7) (and .cse15 .cse1 .cse6) (and .cse12 .cse10 .cse19) (and .cse23 .cse10 .cse0) (and .cse10 .cse1 .cse8) (and .cse12 .cse24 .cse20 .cse6 .cse21) (and .cse14 .cse1 .cse5) (and .cse14 .cse3 .cse5 .cse2) (and .cse12 .cse23 .cse7 .cse16) (and .cse12 .cse13 .cse14 .cse0 .cse5 .cse2) (and .cse23 .cse10 .cse2 .cse16) (and .cse12 .cse10 .cse14 .cse0 .cse2) (and .cse22 .cse13 .cse0 .cse8) (and .cse24 .cse10 .cse8 .cse2 .cse16) (and .cse14 .cse3 .cse21) (and .cse15 .cse1 .cse2) (and .cse12 .cse10 .cse14 .cse20 .cse16) (and .cse12 .cse23 .cse24 .cse20 (<= (+ 129905 ~a29~0) 0)) (and .cse23 .cse3 .cse4 .cse5)))) [2021-08-25 22:13:49,700 INFO L857 garLoopResultBuilder]: For program point L455(lines 455 1664) no Hoare annotation was computed. [2021-08-25 22:13:49,700 INFO L857 garLoopResultBuilder]: For program point L191(line 191) no Hoare annotation was computed. [2021-08-25 22:13:49,700 INFO L857 garLoopResultBuilder]: For program point L59(line 59) no Hoare annotation was computed. [2021-08-25 22:13:49,700 INFO L857 garLoopResultBuilder]: For program point L1645(lines 1645 1664) no Hoare annotation was computed. [2021-08-25 22:13:49,700 INFO L857 garLoopResultBuilder]: For program point L1381(lines 1381 1664) no Hoare annotation was computed. [2021-08-25 22:13:49,700 INFO L857 garLoopResultBuilder]: For program point L193-1(lines 33 1666) no Hoare annotation was computed. [2021-08-25 22:13:49,700 INFO L857 garLoopResultBuilder]: For program point L1118(lines 1118 1664) no Hoare annotation was computed. [2021-08-25 22:13:49,700 INFO L857 garLoopResultBuilder]: For program point L61-1(lines 33 1666) no Hoare annotation was computed. [2021-08-25 22:13:49,700 INFO L857 garLoopResultBuilder]: For program point L722(lines 722 1664) no Hoare annotation was computed. [2021-08-25 22:13:49,700 INFO L857 garLoopResultBuilder]: For program point L194(line 194) no Hoare annotation was computed. [2021-08-25 22:13:49,700 INFO L857 garLoopResultBuilder]: For program point L62(line 62) no Hoare annotation was computed. [2021-08-25 22:13:49,700 INFO L857 garLoopResultBuilder]: For program point L855(lines 855 1664) no Hoare annotation was computed. [2021-08-25 22:13:49,700 INFO L857 garLoopResultBuilder]: For program point L459(lines 459 1664) no Hoare annotation was computed. [2021-08-25 22:13:49,700 INFO L857 garLoopResultBuilder]: For program point L1781(line 1781) no Hoare annotation was computed. [2021-08-25 22:13:49,700 INFO L857 garLoopResultBuilder]: For program point L1253(lines 1253 1664) no Hoare annotation was computed. [2021-08-25 22:13:49,700 INFO L857 garLoopResultBuilder]: For program point L196-1(lines 33 1666) no Hoare annotation was computed. [2021-08-25 22:13:49,700 INFO L857 garLoopResultBuilder]: For program point L64-1(lines 33 1666) no Hoare annotation was computed. [2021-08-25 22:13:49,700 INFO L857 garLoopResultBuilder]: For program point L989(lines 989 1664) no Hoare annotation was computed. [2021-08-25 22:13:49,701 INFO L857 garLoopResultBuilder]: For program point L1650(lines 1650 1664) no Hoare annotation was computed. [2021-08-25 22:13:49,701 INFO L857 garLoopResultBuilder]: For program point L1518(lines 1518 1664) no Hoare annotation was computed. [2021-08-25 22:13:49,701 INFO L857 garLoopResultBuilder]: For program point L197(line 197) no Hoare annotation was computed. [2021-08-25 22:13:49,701 INFO L857 garLoopResultBuilder]: For program point L65(line 65) no Hoare annotation was computed. [2021-08-25 22:13:49,701 INFO L857 garLoopResultBuilder]: For program point L330(lines 330 1664) no Hoare annotation was computed. [2021-08-25 22:13:49,701 INFO L857 garLoopResultBuilder]: For program point L1388(lines 1388 1664) no Hoare annotation was computed. [2021-08-25 22:13:49,701 INFO L857 garLoopResultBuilder]: For program point L199-1(lines 33 1666) no Hoare annotation was computed. [2021-08-25 22:13:49,701 INFO L857 garLoopResultBuilder]: For program point L67-1(lines 33 1666) no Hoare annotation was computed. [2021-08-25 22:13:49,701 INFO L857 garLoopResultBuilder]: For program point L728(lines 728 1664) no Hoare annotation was computed. [2021-08-25 22:13:49,701 INFO L857 garLoopResultBuilder]: For program point L1521(lines 1521 1664) no Hoare annotation was computed. [2021-08-25 22:13:49,701 INFO L857 garLoopResultBuilder]: For program point L200(line 200) no Hoare annotation was computed. [2021-08-25 22:13:49,701 INFO L857 garLoopResultBuilder]: For program point L1125(lines 1125 1664) no Hoare annotation was computed. [2021-08-25 22:13:49,701 INFO L857 garLoopResultBuilder]: For program point L68(line 68) no Hoare annotation was computed. [2021-08-25 22:13:49,701 INFO L857 garLoopResultBuilder]: For program point L861(lines 861 1664) no Hoare annotation was computed. [2021-08-25 22:13:49,701 INFO L857 garLoopResultBuilder]: For program point L597(lines 597 1664) no Hoare annotation was computed. [2021-08-25 22:13:49,701 INFO L857 garLoopResultBuilder]: For program point L466(lines 466 1664) no Hoare annotation was computed. [2021-08-25 22:13:49,701 INFO L857 garLoopResultBuilder]: For program point L1259(lines 1259 1664) no Hoare annotation was computed. [2021-08-25 22:13:49,701 INFO L857 garLoopResultBuilder]: For program point L202-1(lines 33 1666) no Hoare annotation was computed. [2021-08-25 22:13:49,701 INFO L857 garLoopResultBuilder]: For program point L70-1(lines 33 1666) no Hoare annotation was computed. [2021-08-25 22:13:49,701 INFO L857 garLoopResultBuilder]: For program point L995(lines 995 1664) no Hoare annotation was computed. [2021-08-25 22:13:49,701 INFO L857 garLoopResultBuilder]: For program point L203(line 203) no Hoare annotation was computed. [2021-08-25 22:13:49,701 INFO L857 garLoopResultBuilder]: For program point L71(line 71) no Hoare annotation was computed. [2021-08-25 22:13:49,701 INFO L857 garLoopResultBuilder]: For program point L1657(lines 1657 1664) no Hoare annotation was computed. [2021-08-25 22:13:49,702 INFO L857 garLoopResultBuilder]: For program point L865(lines 865 1664) no Hoare annotation was computed. [2021-08-25 22:13:49,702 INFO L857 garLoopResultBuilder]: For program point L1526(lines 1526 1664) no Hoare annotation was computed. [2021-08-25 22:13:49,702 INFO L857 garLoopResultBuilder]: For program point L337(lines 337 1664) no Hoare annotation was computed. [2021-08-25 22:13:49,702 INFO L857 garLoopResultBuilder]: For program point L205-1(lines 33 1666) no Hoare annotation was computed. [2021-08-25 22:13:49,702 INFO L857 garLoopResultBuilder]: For program point L73-1(lines 33 1666) no Hoare annotation was computed. [2021-08-25 22:13:49,702 INFO L857 garLoopResultBuilder]: For program point L1395(lines 1395 1664) no Hoare annotation was computed. [2021-08-25 22:13:49,702 INFO L857 garLoopResultBuilder]: For program point L206(line 206) no Hoare annotation was computed. [2021-08-25 22:13:49,702 INFO L857 garLoopResultBuilder]: For program point L74(line 74) no Hoare annotation was computed. [2021-08-25 22:13:49,702 INFO L857 garLoopResultBuilder]: For program point L735(lines 735 1664) no Hoare annotation was computed. [2021-08-25 22:13:49,702 INFO L857 garLoopResultBuilder]: For program point L1132(lines 1132 1664) no Hoare annotation was computed. [2021-08-25 22:13:49,702 INFO L857 garLoopResultBuilder]: For program point L604(lines 604 1664) no Hoare annotation was computed. [2021-08-25 22:13:49,702 INFO L857 garLoopResultBuilder]: For program point L472(lines 472 1664) no Hoare annotation was computed. [2021-08-25 22:13:49,702 INFO L857 garLoopResultBuilder]: For program point L1265(lines 1265 1664) no Hoare annotation was computed. [2021-08-25 22:13:49,702 INFO L857 garLoopResultBuilder]: For program point L208-1(lines 33 1666) no Hoare annotation was computed. [2021-08-25 22:13:49,702 INFO L857 garLoopResultBuilder]: For program point L76-1(lines 33 1666) no Hoare annotation was computed. [2021-08-25 22:13:49,702 INFO L857 garLoopResultBuilder]: For program point L605(lines 605 615) no Hoare annotation was computed. [2021-08-25 22:13:49,702 INFO L857 garLoopResultBuilder]: For program point L605-2(lines 605 615) no Hoare annotation was computed. [2021-08-25 22:13:49,702 INFO L857 garLoopResultBuilder]: For program point L1398(lines 1398 1664) no Hoare annotation was computed. [2021-08-25 22:13:49,702 INFO L857 garLoopResultBuilder]: For program point L209(line 209) no Hoare annotation was computed. [2021-08-25 22:13:49,702 INFO L857 garLoopResultBuilder]: For program point L77(line 77) no Hoare annotation was computed. [2021-08-25 22:13:49,702 INFO L857 garLoopResultBuilder]: For program point L1002(lines 1002 1664) no Hoare annotation was computed. [2021-08-25 22:13:49,702 INFO L857 garLoopResultBuilder]: For program point L1532(lines 1532 1664) no Hoare annotation was computed. [2021-08-25 22:13:49,702 INFO L857 garLoopResultBuilder]: For program point L343(lines 343 1664) no Hoare annotation was computed. [2021-08-25 22:13:49,703 INFO L857 garLoopResultBuilder]: For program point L211-1(lines 33 1666) no Hoare annotation was computed. [2021-08-25 22:13:49,703 INFO L857 garLoopResultBuilder]: For program point L79-1(lines 33 1666) no Hoare annotation was computed. [2021-08-25 22:13:49,703 INFO L857 garLoopResultBuilder]: For program point L872(lines 872 1664) no Hoare annotation was computed. [2021-08-25 22:13:49,703 INFO L853 garLoopResultBuilder]: At program point L1665(lines 33 1666) the Hoare annotation is: (let ((.cse12 (< 0 (+ ~a4~0 86))) (.cse25 (+ ~a0~0 147))) (let ((.cse9 (or .cse12 (< 0 .cse25) (< 0 (+ ~a29~0 16)) (<= (+ ~a29~0 144) 0))) (.cse18 (<= 96176 ~a29~0)) (.cse17 (<= (+ ~a29~0 127) 0)) (.cse11 (<= 0 (+ ~a0~0 83))) (.cse19 (= ~a2~0 1)) (.cse6 (= 3 ~a2~0)) (.cse7 (<= .cse25 0)) (.cse22 (<= ~a29~0 4455)) (.cse13 (<= 0 (+ 97 ~a0~0))) (.cse0 (<= 0 (+ ~a29~0 15))) (.cse8 (= ~a2~0 4)) (.cse21 (<= ~a29~0 135551)) (.cse15 (<= (+ ~a29~0 145) 0)) (.cse1 (<= (+ 89 ~a4~0) 0)) (.cse2 (<= (+ ~a0~0 61) 0)) (.cse10 (<= ~a29~0 41)) (.cse14 (= 2 ~a2~0)) (.cse16 (<= 0 (+ ~a29~0 192415))) (.cse24 (<= 0 (+ 143 ~a0~0))) (.cse20 (<= (+ ~a0~0 99) 0)) (.cse23 (= 5 ~a2~0)) (.cse3 (<= 44 ~a29~0)) (.cse4 (<= 0 (+ ~a0~0 60))) (.cse5 (<= ~a29~0 599998))) (or (and .cse0 .cse1 .cse2) (and .cse3 .cse4 .cse5 .cse6) (and .cse7 .cse8 .cse9) (and (or (and .cse10 .cse11 .cse6 .cse2) (and .cse12 .cse10 .cse6 .cse2)) .cse13) (and .cse12 .cse14 .cse15 .cse16) (and .cse14 .cse3 .cse7 .cse2) (and .cse9 .cse6 .cse17 .cse2) (and .cse13 .cse8 .cse18) (and (or (and .cse8 .cse18) (and .cse12 .cse3 .cse8 .cse2)) .cse5) (and .cse19 .cse17) (and .cse10 .cse1 .cse19) (and .cse10 .cse0 .cse7 .cse6) (and .cse12 (or (< 0 (+ 42 ~a4~0)) (not (= 2 ULTIMATE.start_calculate_output_~input))) .cse3 .cse20 .cse5 .cse6) (and .cse10 .cse0 .cse11 .cse6) (and .cse12 .cse10 .cse20 .cse6 .cse21) (and .cse14 .cse4 (<= (+ ~a29~0 107481) 0)) (and .cse13 .cse1 .cse2) (and .cse22 .cse0 .cse19) (and .cse23 .cse3 .cse2) (and .cse7 .cse19) (and .cse19 .cse5 .cse2) (and .cse12 .cse7 .cse5 .cse6) (and .cse12 .cse14 .cse7) (and .cse15 .cse1 .cse6) (and .cse12 .cse10 .cse19) (and .cse23 .cse10 .cse0) (and .cse10 .cse1 .cse8) (and .cse12 .cse24 .cse20 .cse6 .cse21) (and .cse14 .cse1 .cse5) (and .cse14 .cse3 .cse5 .cse2) (and .cse12 .cse23 .cse7 .cse16) (and .cse12 .cse13 .cse14 .cse0 .cse5 .cse2) (and .cse23 .cse10 .cse2 .cse16) (and .cse12 .cse10 .cse14 .cse0 .cse2) (and .cse22 .cse13 .cse0 .cse8) (and .cse24 .cse10 .cse8 .cse2 .cse16) (and .cse14 .cse3 .cse21) (and .cse15 .cse1 .cse2) (and .cse12 .cse10 .cse14 .cse20 .cse16) (and .cse12 .cse23 .cse24 .cse20 (<= (+ 129905 ~a29~0) 0)) (and .cse23 .cse3 .cse4 .cse5)))) [2021-08-25 22:13:49,703 INFO L857 garLoopResultBuilder]: For program point L212(line 212) no Hoare annotation was computed. [2021-08-25 22:13:49,703 INFO L857 garLoopResultBuilder]: For program point L80(line 80) no Hoare annotation was computed. [2021-08-25 22:13:49,703 INFO L857 garLoopResultBuilder]: For program point L1138(lines 1138 1664) no Hoare annotation was computed. [2021-08-25 22:13:49,703 INFO L857 garLoopResultBuilder]: For program point L742(lines 742 1664) no Hoare annotation was computed. [2021-08-25 22:13:49,703 INFO L857 garLoopResultBuilder]: For program point L478(lines 478 1664) no Hoare annotation was computed. [2021-08-25 22:13:49,703 INFO L857 garLoopResultBuilder]: For program point L346(lines 346 1664) no Hoare annotation was computed. [2021-08-25 22:13:49,703 INFO L857 garLoopResultBuilder]: For program point L1271(lines 1271 1664) no Hoare annotation was computed. [2021-08-25 22:13:49,703 INFO L857 garLoopResultBuilder]: For program point L214-1(lines 33 1666) no Hoare annotation was computed. [2021-08-25 22:13:49,703 INFO L857 garLoopResultBuilder]: For program point L82-1(lines 33 1666) no Hoare annotation was computed. [2021-08-25 22:13:49,703 INFO L857 garLoopResultBuilder]: For program point L1404(lines 1404 1664) no Hoare annotation was computed. [2021-08-25 22:13:49,704 INFO L857 garLoopResultBuilder]: For program point L215(line 215) no Hoare annotation was computed. [2021-08-25 22:13:49,704 INFO L857 garLoopResultBuilder]: For program point L83(line 83) no Hoare annotation was computed. [2021-08-25 22:13:49,704 INFO L857 garLoopResultBuilder]: For program point L1008(lines 1008 1664) no Hoare annotation was computed. [2021-08-25 22:13:49,704 INFO L857 garLoopResultBuilder]: For program point L1405(lines 1405 1417) no Hoare annotation was computed. [2021-08-25 22:13:49,704 INFO L857 garLoopResultBuilder]: For program point L1405-2(lines 1405 1417) no Hoare annotation was computed. [2021-08-25 22:13:49,704 INFO L857 garLoopResultBuilder]: For program point L745(lines 745 1664) no Hoare annotation was computed. [2021-08-25 22:13:49,704 INFO L857 garLoopResultBuilder]: For program point L1538(lines 1538 1664) no Hoare annotation was computed. [2021-08-25 22:13:49,704 INFO L857 garLoopResultBuilder]: For program point L1274(lines 1274 1664) no Hoare annotation was computed. [2021-08-25 22:13:49,704 INFO L857 garLoopResultBuilder]: For program point L85-1(lines 33 1666) no Hoare annotation was computed. [2021-08-25 22:13:49,704 INFO L857 garLoopResultBuilder]: For program point L878(lines 878 1664) no Hoare annotation was computed. [2021-08-25 22:13:49,704 INFO L857 garLoopResultBuilder]: For program point L1671(lines 1671 1766) no Hoare annotation was computed. [2021-08-25 22:13:49,704 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-08-25 22:13:49,704 INFO L857 garLoopResultBuilder]: For program point L86(line 86) no Hoare annotation was computed. [2021-08-25 22:13:49,704 INFO L857 garLoopResultBuilder]: For program point L351(lines 351 1664) no Hoare annotation was computed. [2021-08-25 22:13:49,704 INFO L857 garLoopResultBuilder]: For program point L1144(lines 1144 1664) no Hoare annotation was computed. [2021-08-25 22:13:49,704 INFO L857 garLoopResultBuilder]: For program point L616(lines 616 1664) no Hoare annotation was computed. [2021-08-25 22:13:49,704 INFO L857 garLoopResultBuilder]: For program point L484(lines 484 1664) no Hoare annotation was computed. [2021-08-25 22:13:49,704 INFO L857 garLoopResultBuilder]: For program point L352(lines 352 359) no Hoare annotation was computed. [2021-08-25 22:13:49,704 INFO L857 garLoopResultBuilder]: For program point L352-2(lines 352 359) no Hoare annotation was computed. [2021-08-25 22:13:49,704 INFO L857 garLoopResultBuilder]: For program point L1145(lines 1145 1154) no Hoare annotation was computed. [2021-08-25 22:13:49,704 INFO L857 garLoopResultBuilder]: For program point L88-1(lines 33 1666) no Hoare annotation was computed. [2021-08-25 22:13:49,704 INFO L857 garLoopResultBuilder]: For program point L1145-2(lines 1145 1154) no Hoare annotation was computed. [2021-08-25 22:13:49,704 INFO L857 garLoopResultBuilder]: For program point L89(line 89) no Hoare annotation was computed. [2021-08-25 22:13:49,705 INFO L857 garLoopResultBuilder]: For program point L1014(lines 1014 1664) no Hoare annotation was computed. [2021-08-25 22:13:49,705 INFO L857 garLoopResultBuilder]: For program point L1543(lines 1543 1664) no Hoare annotation was computed. [2021-08-25 22:13:49,705 INFO L857 garLoopResultBuilder]: For program point L91-1(lines 33 1666) no Hoare annotation was computed. [2021-08-25 22:13:49,705 INFO L857 garLoopResultBuilder]: For program point L884(lines 884 1664) no Hoare annotation was computed. [2021-08-25 22:13:49,705 INFO L857 garLoopResultBuilder]: For program point L752(lines 752 1664) no Hoare annotation was computed. [2021-08-25 22:13:49,705 INFO L857 garLoopResultBuilder]: For program point L1281(lines 1281 1664) no Hoare annotation was computed. [2021-08-25 22:13:49,705 INFO L857 garLoopResultBuilder]: For program point L224(lines 224 1664) no Hoare annotation was computed. [2021-08-25 22:13:49,705 INFO L857 garLoopResultBuilder]: For program point L92(line 92) no Hoare annotation was computed. [2021-08-25 22:13:49,705 INFO L857 garLoopResultBuilder]: For program point L1678(lines 1678 1766) no Hoare annotation was computed. [2021-08-25 22:13:49,705 INFO L857 garLoopResultBuilder]: For program point L489(lines 489 1664) no Hoare annotation was computed. [2021-08-25 22:13:49,705 INFO L857 garLoopResultBuilder]: For program point L94-1(lines 33 1666) no Hoare annotation was computed. [2021-08-25 22:13:49,705 INFO L857 garLoopResultBuilder]: For program point L623(lines 623 1664) no Hoare annotation was computed. [2021-08-25 22:13:49,705 INFO L857 garLoopResultBuilder]: For program point L95(line 95) no Hoare annotation was computed. [2021-08-25 22:13:49,705 INFO L857 garLoopResultBuilder]: For program point L360(lines 360 1664) no Hoare annotation was computed. [2021-08-25 22:13:49,705 INFO L857 garLoopResultBuilder]: For program point L1021(lines 1021 1664) no Hoare annotation was computed. [2021-08-25 22:13:49,705 INFO L857 garLoopResultBuilder]: For program point L1682(lines 1682 1766) no Hoare annotation was computed. [2021-08-25 22:13:49,705 INFO L857 garLoopResultBuilder]: For program point L1550(lines 1550 1664) no Hoare annotation was computed. [2021-08-25 22:13:49,705 INFO L857 garLoopResultBuilder]: For program point L1418(lines 1418 1664) no Hoare annotation was computed. [2021-08-25 22:13:49,705 INFO L857 garLoopResultBuilder]: For program point L229(lines 229 1664) no Hoare annotation was computed. [2021-08-25 22:13:49,705 INFO L857 garLoopResultBuilder]: For program point L97-1(lines 33 1666) no Hoare annotation was computed. [2021-08-25 22:13:49,705 INFO L857 garLoopResultBuilder]: For program point L890(lines 890 1664) no Hoare annotation was computed. [2021-08-25 22:13:49,705 INFO L857 garLoopResultBuilder]: For program point L758(lines 758 1664) no Hoare annotation was computed. [2021-08-25 22:13:49,705 INFO L857 garLoopResultBuilder]: For program point L1287(lines 1287 1664) no Hoare annotation was computed. [2021-08-25 22:13:49,706 INFO L857 garLoopResultBuilder]: For program point L230(lines 230 238) no Hoare annotation was computed. [2021-08-25 22:13:49,706 INFO L857 garLoopResultBuilder]: For program point L230-2(lines 230 238) no Hoare annotation was computed. [2021-08-25 22:13:49,706 INFO L857 garLoopResultBuilder]: For program point L1155(lines 1155 1664) no Hoare annotation was computed. [2021-08-25 22:13:49,706 INFO L857 garLoopResultBuilder]: For program point L98(line 98) no Hoare annotation was computed. [2021-08-25 22:13:49,706 INFO L857 garLoopResultBuilder]: For program point L496(lines 496 1664) no Hoare annotation was computed. [2021-08-25 22:13:49,706 INFO L857 garLoopResultBuilder]: For program point L100-1(lines 33 1666) no Hoare annotation was computed. [2021-08-25 22:13:49,706 INFO L857 garLoopResultBuilder]: For program point L365(lines 365 1664) no Hoare annotation was computed. [2021-08-25 22:13:49,706 INFO L857 garLoopResultBuilder]: For program point L101(line 101) no Hoare annotation was computed. [2021-08-25 22:13:49,706 INFO L857 garLoopResultBuilder]: For program point L1026(lines 1026 1664) no Hoare annotation was computed. [2021-08-25 22:13:49,711 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-08-25 22:13:49,756 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.08 10:13:49 BoogieIcfgContainer [2021-08-25 22:13:49,756 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-08-25 22:13:49,757 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-08-25 22:13:49,758 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-08-25 22:13:49,767 INFO L275 PluginConnector]: Witness Printer initialized [2021-08-25 22:13:49,768 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.08 10:11:51" (3/4) ... [2021-08-25 22:13:49,770 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-08-25 22:13:49,795 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2021-08-25 22:13:49,797 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2021-08-25 22:13:49,798 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-08-25 22:13:49,800 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-08-25 22:13:49,945 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2021-08-25 22:13:49,945 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-08-25 22:13:49,947 INFO L168 Benchmark]: Toolchain (without parser) took 121801.09 ms. Allocated memory was 54.5 MB in the beginning and 2.2 GB in the end (delta: 2.2 GB). Free memory was 38.1 MB in the beginning and 1.0 GB in the end (delta: -988.4 MB). Peak memory consumption was 1.2 GB. Max. memory is 16.1 GB. [2021-08-25 22:13:49,947 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 54.5 MB. Free memory was 35.8 MB in the beginning and 35.8 MB in the end (delta: 37.7 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-08-25 22:13:49,947 INFO L168 Benchmark]: CACSL2BoogieTranslator took 831.06 ms. Allocated memory was 54.5 MB in the beginning and 67.1 MB in the end (delta: 12.6 MB). Free memory was 37.8 MB in the beginning and 29.7 MB in the end (delta: 8.2 MB). Peak memory consumption was 29.3 MB. Max. memory is 16.1 GB. [2021-08-25 22:13:49,948 INFO L168 Benchmark]: Boogie Procedure Inliner took 211.65 ms. Allocated memory was 67.1 MB in the beginning and 81.8 MB in the end (delta: 14.7 MB). Free memory was 29.7 MB in the beginning and 27.2 MB in the end (delta: 2.5 MB). Peak memory consumption was 21.8 MB. Max. memory is 16.1 GB. [2021-08-25 22:13:49,948 INFO L168 Benchmark]: Boogie Preprocessor took 336.28 ms. Allocated memory was 81.8 MB in the beginning and 142.6 MB in the end (delta: 60.8 MB). Free memory was 27.1 MB in the beginning and 83.6 MB in the end (delta: -56.6 MB). Peak memory consumption was 21.3 MB. Max. memory is 16.1 GB. [2021-08-25 22:13:49,948 INFO L168 Benchmark]: RCFGBuilder took 2441.74 ms. Allocated memory was 142.6 MB in the beginning and 268.4 MB in the end (delta: 125.8 MB). Free memory was 83.6 MB in the beginning and 177.6 MB in the end (delta: -94.1 MB). Peak memory consumption was 133.7 MB. Max. memory is 16.1 GB. [2021-08-25 22:13:49,949 INFO L168 Benchmark]: TraceAbstraction took 117783.38 ms. Allocated memory was 268.4 MB in the beginning and 2.2 GB in the end (delta: 2.0 GB). Free memory was 177.6 MB in the beginning and 1.1 GB in the end (delta: -891.9 MB). Peak memory consumption was 1.5 GB. Max. memory is 16.1 GB. [2021-08-25 22:13:49,949 INFO L168 Benchmark]: Witness Printer took 188.73 ms. Allocated memory is still 2.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 43.0 MB). Peak memory consumption was 41.9 MB. Max. memory is 16.1 GB. [2021-08-25 22:13:49,950 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 54.5 MB. Free memory was 35.8 MB in the beginning and 35.8 MB in the end (delta: 37.7 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 831.06 ms. Allocated memory was 54.5 MB in the beginning and 67.1 MB in the end (delta: 12.6 MB). Free memory was 37.8 MB in the beginning and 29.7 MB in the end (delta: 8.2 MB). Peak memory consumption was 29.3 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 211.65 ms. Allocated memory was 67.1 MB in the beginning and 81.8 MB in the end (delta: 14.7 MB). Free memory was 29.7 MB in the beginning and 27.2 MB in the end (delta: 2.5 MB). Peak memory consumption was 21.8 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 336.28 ms. Allocated memory was 81.8 MB in the beginning and 142.6 MB in the end (delta: 60.8 MB). Free memory was 27.1 MB in the beginning and 83.6 MB in the end (delta: -56.6 MB). Peak memory consumption was 21.3 MB. Max. memory is 16.1 GB. * RCFGBuilder took 2441.74 ms. Allocated memory was 142.6 MB in the beginning and 268.4 MB in the end (delta: 125.8 MB). Free memory was 83.6 MB in the beginning and 177.6 MB in the end (delta: -94.1 MB). Peak memory consumption was 133.7 MB. Max. memory is 16.1 GB. * TraceAbstraction took 117783.38 ms. Allocated memory was 268.4 MB in the beginning and 2.2 GB in the end (delta: 2.0 GB). Free memory was 177.6 MB in the beginning and 1.1 GB in the end (delta: -891.9 MB). Peak memory consumption was 1.5 GB. Max. memory is 16.1 GB. * Witness Printer took 188.73 ms. Allocated memory is still 2.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 43.0 MB). Peak memory consumption was 41.9 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 170]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 424 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 117677.1ms, OverallIterations: 26, TraceHistogramMax: 7, EmptinessCheckTime: 204.6ms, AutomataDifference: 66310.5ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 17838.7ms, InitialAbstractionConstructionTime: 21.1ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 8014 SDtfs, 19479 SDslu, 1705 SDs, 0 SdLazy, 48310 SolverSat, 8045 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 49802.9ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 3885 GetRequests, 3791 SyntacticMatches, 0 SemanticMatches, 94 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 323 ImplicationChecksByTransitivity, 761.5ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=29698occurred in iteration=24, InterpolantAutomatonStates: 141, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 4833.2ms AutomataMinimizationTime, 26 MinimizatonAttempts, 80666 StatesRemovedByMinimization, 23 NontrivialMinimizations, HoareAnnotationStatistics: 0.0ms HoareAnnotationTime, 4 LocationsWithAnnotation, 4 PreInvPairs, 500 NumberOfFragments, 2236 HoareAnnotationTreeSize, 4 FomulaSimplifications, 1637595 FormulaSimplificationTreeSizeReduction, 3980.4ms HoareSimplificationTime, 4 FomulaSimplificationsInter, 612212 FormulaSimplificationTreeSizeReductionInter, 13844.5ms HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 685.3ms SsaConstructionTime, 1922.8ms SatisfiabilityAnalysisTime, 20852.7ms InterpolantComputationTime, 18511 NumberOfCodeBlocks, 18511 NumberOfCodeBlocksAsserted, 31 NumberOfCheckSat, 18480 ConstructedInterpolants, 0 QuantifiedInterpolants, 50780 SizeOfPredicates, 7 NumberOfNonLiveVariables, 4459 ConjunctsInSsa, 37 ConjunctsInUnsatCore, 31 InterpolantComputations, 21 PerfectInterpolantSequences, 19661/20811 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 1770]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1668]: Loop Invariant Derived loop invariant: (((((((((((((((((((((((((((((((((((((((((((0 <= a29 + 15 && 89 + a4 <= 0) && a0 + 61 <= 0) || (((44 <= a29 && 0 <= a0 + 60) && a29 <= 599998) && 3 == a2)) || ((a0 + 147 <= 0 && a2 == 4) && (((0 < a4 + 86 || 0 < a0 + 147) || 0 < a29 + 16) || a29 + 144 <= 0))) || (((0 < a4 + 86 && 2 == a2) && a29 + 145 <= 0) && 0 <= a29 + 192415)) || (((a29 <= 41 && 0 <= a0 + 83) && 3 == a2) && a0 + 61 <= 0)) || (((2 == a2 && 44 <= a29) && a0 + 147 <= 0) && a0 + 61 <= 0)) || ((((((0 < a4 + 86 || 0 < a0 + 147) || 0 < a29 + 16) || a29 + 144 <= 0) && 3 == a2) && a29 + 127 <= 0) && a0 + 61 <= 0)) || ((0 <= 97 + a0 && a2 == 4) && 96176 <= a29)) || (((a2 == 4 && 96176 <= a29) || (((0 < a4 + 86 && 44 <= a29) && a2 == 4) && a0 + 61 <= 0)) && a29 <= 599998)) || (a2 == 1 && a29 + 127 <= 0)) || ((a29 <= 41 && 89 + a4 <= 0) && a2 == 1)) || (((a29 <= 41 && 0 <= a29 + 15) && a0 + 147 <= 0) && 3 == a2)) || (((a29 <= 41 && 0 <= a29 + 15) && 0 <= a0 + 83) && 3 == a2)) || (((0 < a4 + 86 && a29 <= 41) && a0 + 99 <= 0) && 3 == a2)) || ((2 == a2 && 0 <= a0 + 60) && a29 + 107481 <= 0)) || ((0 <= 97 + a0 && 89 + a4 <= 0) && a0 + 61 <= 0)) || ((a29 <= 4455 && 0 <= a29 + 15) && a2 == 1)) || ((5 == a2 && 44 <= a29) && a0 + 61 <= 0)) || (a0 + 147 <= 0 && a2 == 1)) || ((a2 == 1 && a29 <= 599998) && a0 + 61 <= 0)) || (((0 < a4 + 86 && a0 + 147 <= 0) && a29 <= 599998) && 3 == a2)) || ((0 < a4 + 86 && 2 == a2) && a0 + 147 <= 0)) || ((a29 + 145 <= 0 && 89 + a4 <= 0) && 3 == a2)) || ((0 < a4 + 86 && a29 <= 41) && a2 == 1)) || (((a29 <= 4455 && 0 <= a29 + 15) && a2 == 4) && 0 <= a0 + 83)) || ((5 == a2 && a29 <= 41) && 0 <= a29 + 15)) || ((a29 <= 41 && 89 + a4 <= 0) && a2 == 4)) || ((((0 < a4 + 86 && 0 <= 143 + a0) && a0 + 99 <= 0) && 3 == a2) && a29 <= 135551)) || ((2 == a2 && 89 + a4 <= 0) && a29 <= 599998)) || (((2 == a2 && 44 <= a29) && a29 <= 599998) && a0 + 61 <= 0)) || (((0 < a4 + 86 && 5 == a2) && a0 + 147 <= 0) && 0 <= a29 + 192415)) || (((((0 < a4 + 86 && 0 <= 97 + a0) && 2 == a2) && 0 <= a29 + 15) && a29 <= 599998) && a0 + 61 <= 0)) || ((((0 < a4 + 86 && a29 <= 41) && 0 <= 97 + a0) && 3 == a2) && a0 + 61 <= 0)) || (((5 == a2 && a29 <= 41) && a0 + 61 <= 0) && 0 <= a29 + 192415)) || ((((0 < a4 + 86 && a29 <= 41) && 2 == a2) && 0 <= a29 + 15) && a0 + 61 <= 0)) || ((((0 <= 143 + a0 && a29 <= 41) && a2 == 4) && a0 + 61 <= 0) && 0 <= a29 + 192415)) || ((2 == a2 && 44 <= a29) && a29 <= 135551)) || ((a29 + 145 <= 0 && 89 + a4 <= 0) && a0 + 61 <= 0)) || ((((0 < a4 + 86 && a29 <= 41) && 2 == a2) && a0 + 99 <= 0) && 0 <= a29 + 192415)) || ((((((0 < a4 + 86 && (0 < 42 + a4 || !(2 == input))) && 44 <= a29) && a0 + 99 <= 0) && (!(2 == input) || 0 < 42 + a4)) && a29 <= 599998) && 3 == a2)) || ((((0 < a4 + 86 && 5 == a2) && 0 <= 143 + a0) && a0 + 99 <= 0) && 129905 + a29 <= 0)) || ((((a29 <= 4455 && 0 <= 97 + a0) && a2 == 4) && a0 + 61 <= 0) && 0 <= a29 + 192415)) || (((5 == a2 && 44 <= a29) && 0 <= a0 + 60) && a29 <= 599998) - InvariantResult [Line: 1776]: Loop Invariant Derived loop invariant: (((((((((((((((((((((((((((((((((((((((((0 <= a29 + 15 && 89 + a4 <= 0) && a0 + 61 <= 0) || (((44 <= a29 && 0 <= a0 + 60) && a29 <= 599998) && 3 == a2)) || ((a0 + 147 <= 0 && a2 == 4) && (((0 < a4 + 86 || 0 < a0 + 147) || 0 < a29 + 16) || a29 + 144 <= 0))) || (((((a29 <= 41 && 0 <= a0 + 83) && 3 == a2) && a0 + 61 <= 0) || (((0 < a4 + 86 && a29 <= 41) && 3 == a2) && a0 + 61 <= 0)) && 0 <= 97 + a0)) || (((0 < a4 + 86 && 2 == a2) && a29 + 145 <= 0) && 0 <= a29 + 192415)) || (((2 == a2 && 44 <= a29) && a0 + 147 <= 0) && a0 + 61 <= 0)) || ((((((0 < a4 + 86 || 0 < a0 + 147) || 0 < a29 + 16) || a29 + 144 <= 0) && 3 == a2) && a29 + 127 <= 0) && a0 + 61 <= 0)) || ((0 <= 97 + a0 && a2 == 4) && 96176 <= a29)) || (((a2 == 4 && 96176 <= a29) || (((0 < a4 + 86 && 44 <= a29) && a2 == 4) && a0 + 61 <= 0)) && a29 <= 599998)) || (a2 == 1 && a29 + 127 <= 0)) || ((a29 <= 41 && 89 + a4 <= 0) && a2 == 1)) || (((a29 <= 41 && 0 <= a29 + 15) && a0 + 147 <= 0) && 3 == a2)) || (((((0 < a4 + 86 && (0 < 42 + a4 || !(2 == input))) && 44 <= a29) && a0 + 99 <= 0) && a29 <= 599998) && 3 == a2)) || (((a29 <= 41 && 0 <= a29 + 15) && 0 <= a0 + 83) && 3 == a2)) || ((((0 < a4 + 86 && a29 <= 41) && a0 + 99 <= 0) && 3 == a2) && a29 <= 135551)) || ((2 == a2 && 0 <= a0 + 60) && a29 + 107481 <= 0)) || ((0 <= 97 + a0 && 89 + a4 <= 0) && a0 + 61 <= 0)) || ((a29 <= 4455 && 0 <= a29 + 15) && a2 == 1)) || ((5 == a2 && 44 <= a29) && a0 + 61 <= 0)) || (a0 + 147 <= 0 && a2 == 1)) || ((a2 == 1 && a29 <= 599998) && a0 + 61 <= 0)) || (((0 < a4 + 86 && a0 + 147 <= 0) && a29 <= 599998) && 3 == a2)) || ((0 < a4 + 86 && 2 == a2) && a0 + 147 <= 0)) || ((a29 + 145 <= 0 && 89 + a4 <= 0) && 3 == a2)) || ((0 < a4 + 86 && a29 <= 41) && a2 == 1)) || ((5 == a2 && a29 <= 41) && 0 <= a29 + 15)) || ((a29 <= 41 && 89 + a4 <= 0) && a2 == 4)) || ((((0 < a4 + 86 && 0 <= 143 + a0) && a0 + 99 <= 0) && 3 == a2) && a29 <= 135551)) || ((2 == a2 && 89 + a4 <= 0) && a29 <= 599998)) || (((2 == a2 && 44 <= a29) && a29 <= 599998) && a0 + 61 <= 0)) || (((0 < a4 + 86 && 5 == a2) && a0 + 147 <= 0) && 0 <= a29 + 192415)) || (((((0 < a4 + 86 && 0 <= 97 + a0) && 2 == a2) && 0 <= a29 + 15) && a29 <= 599998) && a0 + 61 <= 0)) || (((5 == a2 && a29 <= 41) && a0 + 61 <= 0) && 0 <= a29 + 192415)) || ((((0 < a4 + 86 && a29 <= 41) && 2 == a2) && 0 <= a29 + 15) && a0 + 61 <= 0)) || (((a29 <= 4455 && 0 <= 97 + a0) && 0 <= a29 + 15) && a2 == 4)) || ((((0 <= 143 + a0 && a29 <= 41) && a2 == 4) && a0 + 61 <= 0) && 0 <= a29 + 192415)) || ((2 == a2 && 44 <= a29) && a29 <= 135551)) || ((a29 + 145 <= 0 && 89 + a4 <= 0) && a0 + 61 <= 0)) || ((((0 < a4 + 86 && a29 <= 41) && 2 == a2) && a0 + 99 <= 0) && 0 <= a29 + 192415)) || ((((0 < a4 + 86 && 5 == a2) && 0 <= 143 + a0) && a0 + 99 <= 0) && 129905 + a29 <= 0)) || (((5 == a2 && 44 <= a29) && 0 <= a0 + 60) && a29 <= 599998) - InvariantResult [Line: 33]: Loop Invariant Derived loop invariant: (((((((((((((((((((((((((((((((((((((((((0 <= a29 + 15 && 89 + a4 <= 0) && a0 + 61 <= 0) || (((44 <= a29 && 0 <= a0 + 60) && a29 <= 599998) && 3 == a2)) || ((a0 + 147 <= 0 && a2 == 4) && (((0 < a4 + 86 || 0 < a0 + 147) || 0 < a29 + 16) || a29 + 144 <= 0))) || (((((a29 <= 41 && 0 <= a0 + 83) && 3 == a2) && a0 + 61 <= 0) || (((0 < a4 + 86 && a29 <= 41) && 3 == a2) && a0 + 61 <= 0)) && 0 <= 97 + a0)) || (((0 < a4 + 86 && 2 == a2) && a29 + 145 <= 0) && 0 <= a29 + 192415)) || (((2 == a2 && 44 <= a29) && a0 + 147 <= 0) && a0 + 61 <= 0)) || ((((((0 < a4 + 86 || 0 < a0 + 147) || 0 < a29 + 16) || a29 + 144 <= 0) && 3 == a2) && a29 + 127 <= 0) && a0 + 61 <= 0)) || ((0 <= 97 + a0 && a2 == 4) && 96176 <= a29)) || (((a2 == 4 && 96176 <= a29) || (((0 < a4 + 86 && 44 <= a29) && a2 == 4) && a0 + 61 <= 0)) && a29 <= 599998)) || (a2 == 1 && a29 + 127 <= 0)) || ((a29 <= 41 && 89 + a4 <= 0) && a2 == 1)) || (((a29 <= 41 && 0 <= a29 + 15) && a0 + 147 <= 0) && 3 == a2)) || (((((0 < a4 + 86 && (0 < 42 + a4 || !(2 == input))) && 44 <= a29) && a0 + 99 <= 0) && a29 <= 599998) && 3 == a2)) || (((a29 <= 41 && 0 <= a29 + 15) && 0 <= a0 + 83) && 3 == a2)) || ((((0 < a4 + 86 && a29 <= 41) && a0 + 99 <= 0) && 3 == a2) && a29 <= 135551)) || ((2 == a2 && 0 <= a0 + 60) && a29 + 107481 <= 0)) || ((0 <= 97 + a0 && 89 + a4 <= 0) && a0 + 61 <= 0)) || ((a29 <= 4455 && 0 <= a29 + 15) && a2 == 1)) || ((5 == a2 && 44 <= a29) && a0 + 61 <= 0)) || (a0 + 147 <= 0 && a2 == 1)) || ((a2 == 1 && a29 <= 599998) && a0 + 61 <= 0)) || (((0 < a4 + 86 && a0 + 147 <= 0) && a29 <= 599998) && 3 == a2)) || ((0 < a4 + 86 && 2 == a2) && a0 + 147 <= 0)) || ((a29 + 145 <= 0 && 89 + a4 <= 0) && 3 == a2)) || ((0 < a4 + 86 && a29 <= 41) && a2 == 1)) || ((5 == a2 && a29 <= 41) && 0 <= a29 + 15)) || ((a29 <= 41 && 89 + a4 <= 0) && a2 == 4)) || ((((0 < a4 + 86 && 0 <= 143 + a0) && a0 + 99 <= 0) && 3 == a2) && a29 <= 135551)) || ((2 == a2 && 89 + a4 <= 0) && a29 <= 599998)) || (((2 == a2 && 44 <= a29) && a29 <= 599998) && a0 + 61 <= 0)) || (((0 < a4 + 86 && 5 == a2) && a0 + 147 <= 0) && 0 <= a29 + 192415)) || (((((0 < a4 + 86 && 0 <= 97 + a0) && 2 == a2) && 0 <= a29 + 15) && a29 <= 599998) && a0 + 61 <= 0)) || (((5 == a2 && a29 <= 41) && a0 + 61 <= 0) && 0 <= a29 + 192415)) || ((((0 < a4 + 86 && a29 <= 41) && 2 == a2) && 0 <= a29 + 15) && a0 + 61 <= 0)) || (((a29 <= 4455 && 0 <= 97 + a0) && 0 <= a29 + 15) && a2 == 4)) || ((((0 <= 143 + a0 && a29 <= 41) && a2 == 4) && a0 + 61 <= 0) && 0 <= a29 + 192415)) || ((2 == a2 && 44 <= a29) && a29 <= 135551)) || ((a29 + 145 <= 0 && 89 + a4 <= 0) && a0 + 61 <= 0)) || ((((0 < a4 + 86 && a29 <= 41) && 2 == a2) && a0 + 99 <= 0) && 0 <= a29 + 192415)) || ((((0 < a4 + 86 && 5 == a2) && 0 <= 143 + a0) && a0 + 99 <= 0) && 129905 + a29 <= 0)) || (((5 == a2 && 44 <= a29) && 0 <= a0 + 60) && a29 <= 599998) RESULT: Ultimate proved your program to be correct! [2021-08-25 22:13:49,980 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...