./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/eca-rers2012/Problem03_label46.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5fbdf5bf 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/Problem03_label46.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 e24e8d0d826390a3e8204259c4169e780de54704 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-wip.dd.seqcomp-5fbdf5b [2021-08-29 03:51:53,613 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-08-29 03:51:53,615 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-08-29 03:51:53,640 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-08-29 03:51:53,641 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-08-29 03:51:53,641 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-08-29 03:51:53,642 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-08-29 03:51:53,644 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-08-29 03:51:53,645 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-08-29 03:51:53,645 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-08-29 03:51:53,646 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-08-29 03:51:53,647 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-08-29 03:51:53,647 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-08-29 03:51:53,648 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-08-29 03:51:53,648 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-08-29 03:51:53,649 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-08-29 03:51:53,650 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-08-29 03:51:53,650 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-08-29 03:51:53,651 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-08-29 03:51:53,653 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-08-29 03:51:53,653 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-08-29 03:51:53,654 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-08-29 03:51:53,655 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-08-29 03:51:53,656 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-08-29 03:51:53,657 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-08-29 03:51:53,657 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-08-29 03:51:53,658 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-08-29 03:51:53,658 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-08-29 03:51:53,658 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-08-29 03:51:53,659 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-08-29 03:51:53,659 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-08-29 03:51:53,660 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-08-29 03:51:53,660 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-08-29 03:51:53,663 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-08-29 03:51:53,663 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-08-29 03:51:53,664 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-08-29 03:51:53,664 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-08-29 03:51:53,664 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-08-29 03:51:53,665 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-08-29 03:51:53,665 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-08-29 03:51:53,666 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-08-29 03:51:53,666 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-08-29 03:51:53,685 INFO L113 SettingsManager]: Loading preferences was successful [2021-08-29 03:51:53,689 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-08-29 03:51:53,690 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-08-29 03:51:53,690 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-08-29 03:51:53,691 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-08-29 03:51:53,691 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-08-29 03:51:53,692 INFO L138 SettingsManager]: * Use SBE=true [2021-08-29 03:51:53,692 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-08-29 03:51:53,692 INFO L138 SettingsManager]: * sizeof long=4 [2021-08-29 03:51:53,692 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-08-29 03:51:53,693 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-08-29 03:51:53,693 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-08-29 03:51:53,693 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-08-29 03:51:53,693 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-08-29 03:51:53,693 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-08-29 03:51:53,693 INFO L138 SettingsManager]: * sizeof long double=12 [2021-08-29 03:51:53,693 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-08-29 03:51:53,694 INFO L138 SettingsManager]: * Use constant arrays=true [2021-08-29 03:51:53,694 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-08-29 03:51:53,694 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-08-29 03:51:53,694 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-08-29 03:51:53,694 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-08-29 03:51:53,694 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-29 03:51:53,694 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-08-29 03:51:53,695 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-08-29 03:51:53,695 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-08-29 03:51:53,695 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-08-29 03:51:53,695 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-08-29 03:51:53,695 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-08-29 03:51:53,695 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-08-29 03:51:53,695 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> e24e8d0d826390a3e8204259c4169e780de54704 [2021-08-29 03:51:53,956 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-08-29 03:51:53,974 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-08-29 03:51:53,976 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-08-29 03:51:53,976 INFO L271 PluginConnector]: Initializing CDTParser... [2021-08-29 03:51:53,981 INFO L275 PluginConnector]: CDTParser initialized [2021-08-29 03:51:53,982 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem03_label46.c [2021-08-29 03:51:54,031 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/34c8dd534/c65fdbbe0fcd4697a315c886e44122fe/FLAG36246467c [2021-08-29 03:51:54,475 INFO L306 CDTParser]: Found 1 translation units. [2021-08-29 03:51:54,475 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem03_label46.c [2021-08-29 03:51:54,485 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/34c8dd534/c65fdbbe0fcd4697a315c886e44122fe/FLAG36246467c [2021-08-29 03:51:54,804 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/34c8dd534/c65fdbbe0fcd4697a315c886e44122fe [2021-08-29 03:51:54,806 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-08-29 03:51:54,807 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-08-29 03:51:54,807 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-08-29 03:51:54,808 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-08-29 03:51:54,814 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-08-29 03:51:54,815 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.08 03:51:54" (1/1) ... [2021-08-29 03:51:54,816 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@43c771af and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:51:54, skipping insertion in model container [2021-08-29 03:51:54,816 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.08 03:51:54" (1/1) ... [2021-08-29 03:51:54,820 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-08-29 03:51:54,858 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-08-29 03:51:55,208 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/Problem03_label46.c[59207,59220] [2021-08-29 03:51:55,246 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-29 03:51:55,253 INFO L203 MainTranslator]: Completed pre-run [2021-08-29 03:51:55,396 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/Problem03_label46.c[59207,59220] [2021-08-29 03:51:55,405 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-29 03:51:55,416 INFO L208 MainTranslator]: Completed translation [2021-08-29 03:51:55,416 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:51:55 WrapperNode [2021-08-29 03:51:55,417 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-08-29 03:51:55,418 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-08-29 03:51:55,418 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-08-29 03:51:55,418 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-08-29 03:51:55,422 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:51:55" (1/1) ... [2021-08-29 03:51:55,445 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:51:55" (1/1) ... [2021-08-29 03:51:55,522 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-08-29 03:51:55,529 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-08-29 03:51:55,529 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-08-29 03:51:55,529 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-08-29 03:51:55,534 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:51:55" (1/1) ... [2021-08-29 03:51:55,535 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:51:55" (1/1) ... [2021-08-29 03:51:55,544 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:51:55" (1/1) ... [2021-08-29 03:51:55,545 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:51:55" (1/1) ... [2021-08-29 03:51:55,575 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:51:55" (1/1) ... [2021-08-29 03:51:55,592 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:51:55" (1/1) ... [2021-08-29 03:51:55,598 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:51:55" (1/1) ... [2021-08-29 03:51:55,611 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-08-29 03:51:55,613 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-08-29 03:51:55,613 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-08-29 03:51:55,613 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-08-29 03:51:55,614 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:51:55" (1/1) ... [2021-08-29 03:51:55,618 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-29 03:51:55,624 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-29 03:51:55,633 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) [2021-08-29 03:51:55,672 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 [2021-08-29 03:51:55,685 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-08-29 03:51:55,685 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-08-29 03:51:55,686 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-08-29 03:51:55,686 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-08-29 03:51:56,266 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-08-29 03:51:56,266 INFO L299 CfgBuilder]: Removed 7 assume(true) statements. [2021-08-29 03:51:56,269 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 03:51:56 BoogieIcfgContainer [2021-08-29 03:51:56,269 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-08-29 03:51:56,271 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-08-29 03:51:56,271 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-08-29 03:51:56,273 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-08-29 03:51:56,274 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.08 03:51:54" (1/3) ... [2021-08-29 03:51:56,275 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@66cd9da2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.08 03:51:56, skipping insertion in model container [2021-08-29 03:51:56,275 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 03:51:55" (2/3) ... [2021-08-29 03:51:56,275 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@66cd9da2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.08 03:51:56, skipping insertion in model container [2021-08-29 03:51:56,275 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 03:51:56" (3/3) ... [2021-08-29 03:51:56,276 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem03_label46.c [2021-08-29 03:51:56,279 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-08-29 03:51:56,280 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-08-29 03:51:56,323 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-08-29 03:51:56,330 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 [2021-08-29 03:51:56,331 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-08-29 03:51:56,349 INFO L276 IsEmpty]: Start isEmpty. Operand has 302 states, 300 states have (on average 1.73) internal successors, (519), 301 states have internal predecessors, (519), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 03:51:56,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2021-08-29 03:51:56,374 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 03:51:56,375 INFO L513 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-29 03:51:56,375 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-29 03:51:56,379 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 03:51:56,379 INFO L82 PathProgramCache]: Analyzing trace with hash -1730728613, now seen corresponding path program 1 times [2021-08-29 03:51:56,387 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 03:51:56,387 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [872109790] [2021-08-29 03:51:56,387 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 03:51:56,388 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 03:51:56,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 03:51:56,777 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-29 03:51:56,778 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 03:51:56,778 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [872109790] [2021-08-29 03:51:56,778 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [872109790] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-29 03:51:56,778 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-29 03:51:56,778 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-08-29 03:51:56,780 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [137920210] [2021-08-29 03:51:56,783 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-29 03:51:56,783 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 03:51:56,797 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-29 03:51:56,798 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-29 03:51:56,800 INFO L87 Difference]: Start difference. First operand has 302 states, 300 states have (on average 1.73) internal successors, (519), 301 states have internal predecessors, (519), 0 states have call successors, (0), 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 61.666666666666664) internal successors, (185), 2 states have internal predecessors, (185), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 03:51:57,760 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 03:51:57,761 INFO L93 Difference]: Finished difference Result 835 states and 1478 transitions. [2021-08-29 03:51:57,763 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-29 03:51:57,764 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 61.666666666666664) internal successors, (185), 2 states have internal predecessors, (185), 0 states have call successors, (0), 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 185 [2021-08-29 03:51:57,765 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 03:51:57,772 INFO L225 Difference]: With dead ends: 835 [2021-08-29 03:51:57,772 INFO L226 Difference]: Without dead ends: 456 [2021-08-29 03:51:57,775 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 3.74ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-29 03:51:57,777 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 103 mSDsluCounter, 28 mSDsCounter, 0 mSdLazyCounter, 838 mSolverCounterSat, 175 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 709.60ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 103 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 1013 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 7.81ms SdHoareTripleChecker+Time, 175 IncrementalHoareTripleChecker+Valid, 838 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 888.40ms IncrementalHoareTripleChecker+Time [2021-08-29 03:51:57,778 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [103 Valid, 0 Invalid, 1013 Unknown, 0 Unchecked, 7.81ms Time], IncrementalHoareTripleChecker [175 Valid, 838 Invalid, 0 Unknown, 0 Unchecked, 888.40ms Time] [2021-08-29 03:51:57,789 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 456 states. [2021-08-29 03:51:57,810 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 456 to 451. [2021-08-29 03:51:57,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 451 states, 450 states have (on average 1.5622222222222222) internal successors, (703), 450 states have internal predecessors, (703), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 03:51:57,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 451 states to 451 states and 703 transitions. [2021-08-29 03:51:57,813 INFO L78 Accepts]: Start accepts. Automaton has 451 states and 703 transitions. Word has length 185 [2021-08-29 03:51:57,813 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 03:51:57,813 INFO L470 AbstractCegarLoop]: Abstraction has 451 states and 703 transitions. [2021-08-29 03:51:57,814 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 61.666666666666664) internal successors, (185), 2 states have internal predecessors, (185), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 03:51:57,814 INFO L276 IsEmpty]: Start isEmpty. Operand 451 states and 703 transitions. [2021-08-29 03:51:57,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2021-08-29 03:51:57,816 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 03:51:57,816 INFO L513 BasicCegarLoop]: trace histogram [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] [2021-08-29 03:51:57,816 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-08-29 03:51:57,816 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-29 03:51:57,817 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 03:51:57,817 INFO L82 PathProgramCache]: Analyzing trace with hash -1408358515, now seen corresponding path program 1 times [2021-08-29 03:51:57,817 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 03:51:57,817 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1269885353] [2021-08-29 03:51:57,817 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 03:51:57,818 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 03:51:57,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 03:51:57,883 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-29 03:51:57,884 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 03:51:57,885 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1269885353] [2021-08-29 03:51:57,885 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1269885353] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-29 03:51:57,885 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-29 03:51:57,885 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-08-29 03:51:57,885 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2135910312] [2021-08-29 03:51:57,886 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-29 03:51:57,887 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 03:51:57,887 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-29 03:51:57,887 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-29 03:51:57,888 INFO L87 Difference]: Start difference. First operand 451 states and 703 transitions. Second operand has 3 states, 3 states have (on average 63.666666666666664) internal successors, (191), 2 states have internal predecessors, (191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 03:51:58,628 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 03:51:58,628 INFO L93 Difference]: Finished difference Result 1328 states and 2075 transitions. [2021-08-29 03:51:58,629 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-29 03:51:58,629 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 63.666666666666664) internal successors, (191), 2 states have internal predecessors, (191), 0 states have call successors, (0), 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 191 [2021-08-29 03:51:58,629 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 03:51:58,632 INFO L225 Difference]: With dead ends: 1328 [2021-08-29 03:51:58,632 INFO L226 Difference]: Without dead ends: 879 [2021-08-29 03:51:58,633 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.39ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-29 03:51:58,634 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 258 mSDsluCounter, 33 mSDsCounter, 0 mSdLazyCounter, 762 mSolverCounterSat, 78 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 559.35ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 258 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 840 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 4.30ms SdHoareTripleChecker+Time, 78 IncrementalHoareTripleChecker+Valid, 762 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 709.24ms IncrementalHoareTripleChecker+Time [2021-08-29 03:51:58,636 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [258 Valid, 0 Invalid, 840 Unknown, 0 Unchecked, 4.30ms Time], IncrementalHoareTripleChecker [78 Valid, 762 Invalid, 0 Unknown, 0 Unchecked, 709.24ms Time] [2021-08-29 03:51:58,637 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 879 states. [2021-08-29 03:51:58,653 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 879 to 878. [2021-08-29 03:51:58,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 878 states, 877 states have (on average 1.4800456100342074) internal successors, (1298), 877 states have internal predecessors, (1298), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 03:51:58,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 878 states to 878 states and 1298 transitions. [2021-08-29 03:51:58,657 INFO L78 Accepts]: Start accepts. Automaton has 878 states and 1298 transitions. Word has length 191 [2021-08-29 03:51:58,657 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 03:51:58,657 INFO L470 AbstractCegarLoop]: Abstraction has 878 states and 1298 transitions. [2021-08-29 03:51:58,657 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 63.666666666666664) internal successors, (191), 2 states have internal predecessors, (191), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 03:51:58,657 INFO L276 IsEmpty]: Start isEmpty. Operand 878 states and 1298 transitions. [2021-08-29 03:51:58,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2021-08-29 03:51:58,659 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 03:51:58,660 INFO L513 BasicCegarLoop]: trace histogram [3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-29 03:51:58,660 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-08-29 03:51:58,660 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-29 03:51:58,660 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 03:51:58,661 INFO L82 PathProgramCache]: Analyzing trace with hash -1459742194, now seen corresponding path program 1 times [2021-08-29 03:51:58,661 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 03:51:58,661 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [901464685] [2021-08-29 03:51:58,661 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 03:51:58,661 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 03:51:58,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 03:51:58,733 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2021-08-29 03:51:58,736 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 03:51:58,736 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [901464685] [2021-08-29 03:51:58,737 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [901464685] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-29 03:51:58,737 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-29 03:51:58,738 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-08-29 03:51:58,738 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [382459697] [2021-08-29 03:51:58,739 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-29 03:51:58,740 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 03:51:58,740 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-29 03:51:58,741 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-29 03:51:58,741 INFO L87 Difference]: Start difference. First operand 878 states and 1298 transitions. Second operand has 3 states, 3 states have (on average 65.33333333333333) internal successors, (196), 2 states have internal predecessors, (196), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 03:51:59,357 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 03:51:59,357 INFO L93 Difference]: Finished difference Result 2594 states and 3850 transitions. [2021-08-29 03:51:59,358 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-29 03:51:59,358 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 65.33333333333333) internal successors, (196), 2 states have internal predecessors, (196), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 199 [2021-08-29 03:51:59,358 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 03:51:59,362 INFO L225 Difference]: With dead ends: 2594 [2021-08-29 03:51:59,363 INFO L226 Difference]: Without dead ends: 1718 [2021-08-29 03:51:59,364 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.36ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-29 03:51:59,365 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 247 mSDsluCounter, 15 mSDsCounter, 0 mSdLazyCounter, 675 mSolverCounterSat, 195 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 459.71ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 247 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 870 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 3.01ms SdHoareTripleChecker+Time, 195 IncrementalHoareTripleChecker+Valid, 675 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 578.84ms IncrementalHoareTripleChecker+Time [2021-08-29 03:51:59,365 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [247 Valid, 0 Invalid, 870 Unknown, 0 Unchecked, 3.01ms Time], IncrementalHoareTripleChecker [195 Valid, 675 Invalid, 0 Unknown, 0 Unchecked, 578.84ms Time] [2021-08-29 03:51:59,366 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1718 states. [2021-08-29 03:51:59,383 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1718 to 1696. [2021-08-29 03:51:59,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1696 states, 1695 states have (on average 1.447787610619469) internal successors, (2454), 1695 states have internal predecessors, (2454), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 03:51:59,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1696 states to 1696 states and 2454 transitions. [2021-08-29 03:51:59,388 INFO L78 Accepts]: Start accepts. Automaton has 1696 states and 2454 transitions. Word has length 199 [2021-08-29 03:51:59,388 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 03:51:59,388 INFO L470 AbstractCegarLoop]: Abstraction has 1696 states and 2454 transitions. [2021-08-29 03:51:59,389 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 65.33333333333333) internal successors, (196), 2 states have internal predecessors, (196), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 03:51:59,389 INFO L276 IsEmpty]: Start isEmpty. Operand 1696 states and 2454 transitions. [2021-08-29 03:51:59,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2021-08-29 03:51:59,392 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 03:51:59,392 INFO L513 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-29 03:51:59,392 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-08-29 03:51:59,393 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-29 03:51:59,393 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 03:51:59,393 INFO L82 PathProgramCache]: Analyzing trace with hash -157067481, now seen corresponding path program 1 times [2021-08-29 03:51:59,393 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 03:51:59,394 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [146783005] [2021-08-29 03:51:59,394 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 03:51:59,394 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 03:51:59,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 03:51:59,503 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2021-08-29 03:51:59,503 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 03:51:59,504 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [146783005] [2021-08-29 03:51:59,504 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [146783005] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-29 03:51:59,504 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-29 03:51:59,504 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-08-29 03:51:59,504 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1175760713] [2021-08-29 03:51:59,505 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-29 03:51:59,505 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 03:51:59,506 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-29 03:51:59,506 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-29 03:51:59,506 INFO L87 Difference]: Start difference. First operand 1696 states and 2454 transitions. Second operand has 3 states, 3 states have (on average 67.0) internal successors, (201), 2 states have internal predecessors, (201), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 03:52:00,158 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 03:52:00,159 INFO L93 Difference]: Finished difference Result 5033 states and 7290 transitions. [2021-08-29 03:52:00,160 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-29 03:52:00,160 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 67.0) internal successors, (201), 2 states have internal predecessors, (201), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 207 [2021-08-29 03:52:00,160 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 03:52:00,169 INFO L225 Difference]: With dead ends: 5033 [2021-08-29 03:52:00,169 INFO L226 Difference]: Without dead ends: 3339 [2021-08-29 03:52:00,171 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.13ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-29 03:52:00,178 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 241 mSDsluCounter, 35 mSDsCounter, 0 mSdLazyCounter, 778 mSolverCounterSat, 102 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 482.63ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 241 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 880 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 2.21ms SdHoareTripleChecker+Time, 102 IncrementalHoareTripleChecker+Valid, 778 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 598.35ms IncrementalHoareTripleChecker+Time [2021-08-29 03:52:00,179 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [241 Valid, 0 Invalid, 880 Unknown, 0 Unchecked, 2.21ms Time], IncrementalHoareTripleChecker [102 Valid, 778 Invalid, 0 Unknown, 0 Unchecked, 598.35ms Time] [2021-08-29 03:52:00,183 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3339 states. [2021-08-29 03:52:00,219 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3339 to 3334. [2021-08-29 03:52:00,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3334 states, 3333 states have (on average 1.383138313831383) internal successors, (4610), 3333 states have internal predecessors, (4610), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 03:52:00,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3334 states to 3334 states and 4610 transitions. [2021-08-29 03:52:00,231 INFO L78 Accepts]: Start accepts. Automaton has 3334 states and 4610 transitions. Word has length 207 [2021-08-29 03:52:00,231 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 03:52:00,231 INFO L470 AbstractCegarLoop]: Abstraction has 3334 states and 4610 transitions. [2021-08-29 03:52:00,232 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 67.0) internal successors, (201), 2 states have internal predecessors, (201), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 03:52:00,232 INFO L276 IsEmpty]: Start isEmpty. Operand 3334 states and 4610 transitions. [2021-08-29 03:52:00,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2021-08-29 03:52:00,236 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 03:52:00,237 INFO L513 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-29 03:52:00,237 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-08-29 03:52:00,237 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-29 03:52:00,238 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 03:52:00,239 INFO L82 PathProgramCache]: Analyzing trace with hash -694881176, now seen corresponding path program 1 times [2021-08-29 03:52:00,239 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 03:52:00,239 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [801942556] [2021-08-29 03:52:00,239 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 03:52:00,239 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 03:52:00,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 03:52:00,302 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2021-08-29 03:52:00,303 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 03:52:00,303 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [801942556] [2021-08-29 03:52:00,303 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [801942556] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-29 03:52:00,303 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-29 03:52:00,304 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-29 03:52:00,304 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [916550950] [2021-08-29 03:52:00,304 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-29 03:52:00,305 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 03:52:00,305 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-29 03:52:00,305 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-29 03:52:00,306 INFO L87 Difference]: Start difference. First operand 3334 states and 4610 transitions. Second operand has 3 states, 3 states have (on average 67.33333333333333) internal successors, (202), 3 states have internal predecessors, (202), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 03:52:01,009 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 03:52:01,010 INFO L93 Difference]: Finished difference Result 9727 states and 13466 transitions. [2021-08-29 03:52:01,010 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-29 03:52:01,010 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 67.33333333333333) internal successors, (202), 3 states have internal predecessors, (202), 0 states have call successors, (0), 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 213 [2021-08-29 03:52:01,010 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 03:52:01,027 INFO L225 Difference]: With dead ends: 9727 [2021-08-29 03:52:01,027 INFO L226 Difference]: Without dead ends: 6395 [2021-08-29 03:52:01,031 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 3.13ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-29 03:52:01,032 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 216 mSDsluCounter, 23 mSDsCounter, 0 mSdLazyCounter, 969 mSolverCounterSat, 153 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 507.25ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 216 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 1122 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 2.68ms SdHoareTripleChecker+Time, 153 IncrementalHoareTripleChecker+Valid, 969 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 635.51ms IncrementalHoareTripleChecker+Time [2021-08-29 03:52:01,033 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [216 Valid, 0 Invalid, 1122 Unknown, 0 Unchecked, 2.68ms Time], IncrementalHoareTripleChecker [153 Valid, 969 Invalid, 0 Unknown, 0 Unchecked, 635.51ms Time] [2021-08-29 03:52:01,037 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 6395 states. [2021-08-29 03:52:01,123 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 6395 to 6390. [2021-08-29 03:52:01,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6390 states, 6389 states have (on average 1.2994208796368758) internal successors, (8302), 6389 states have internal predecessors, (8302), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 03:52:01,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6390 states to 6390 states and 8302 transitions. [2021-08-29 03:52:01,143 INFO L78 Accepts]: Start accepts. Automaton has 6390 states and 8302 transitions. Word has length 213 [2021-08-29 03:52:01,143 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 03:52:01,143 INFO L470 AbstractCegarLoop]: Abstraction has 6390 states and 8302 transitions. [2021-08-29 03:52:01,144 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 67.33333333333333) internal successors, (202), 3 states have internal predecessors, (202), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 03:52:01,144 INFO L276 IsEmpty]: Start isEmpty. Operand 6390 states and 8302 transitions. [2021-08-29 03:52:01,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2021-08-29 03:52:01,152 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 03:52:01,152 INFO L513 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-29 03:52:01,152 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-08-29 03:52:01,153 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-29 03:52:01,153 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 03:52:01,153 INFO L82 PathProgramCache]: Analyzing trace with hash -1660718487, now seen corresponding path program 1 times [2021-08-29 03:52:01,153 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 03:52:01,153 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [964329472] [2021-08-29 03:52:01,153 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 03:52:01,154 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 03:52:01,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 03:52:01,201 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-08-29 03:52:01,201 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 03:52:01,201 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [964329472] [2021-08-29 03:52:01,201 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [964329472] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-29 03:52:01,201 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-29 03:52:01,202 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-29 03:52:01,202 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1403084247] [2021-08-29 03:52:01,202 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-29 03:52:01,202 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 03:52:01,203 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-29 03:52:01,203 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-29 03:52:01,203 INFO L87 Difference]: Start difference. First operand 6390 states and 8302 transitions. Second operand has 3 states, 3 states have (on average 69.33333333333333) internal successors, (208), 3 states have internal predecessors, (208), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 03:52:01,920 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 03:52:01,921 INFO L93 Difference]: Finished difference Result 14827 states and 19331 transitions. [2021-08-29 03:52:01,921 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-29 03:52:01,923 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 69.33333333333333) internal successors, (208), 3 states have internal predecessors, (208), 0 states have call successors, (0), 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 213 [2021-08-29 03:52:01,923 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 03:52:01,942 INFO L225 Difference]: With dead ends: 14827 [2021-08-29 03:52:01,942 INFO L226 Difference]: Without dead ends: 8439 [2021-08-29 03:52:01,949 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.31ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-29 03:52:01,950 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 214 mSDsluCounter, 21 mSDsCounter, 0 mSdLazyCounter, 966 mSolverCounterSat, 149 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 529.57ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 214 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 1115 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 2.36ms SdHoareTripleChecker+Time, 149 IncrementalHoareTripleChecker+Valid, 966 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 658.16ms IncrementalHoareTripleChecker+Time [2021-08-29 03:52:01,951 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [214 Valid, 0 Invalid, 1115 Unknown, 0 Unchecked, 2.36ms Time], IncrementalHoareTripleChecker [149 Valid, 966 Invalid, 0 Unknown, 0 Unchecked, 658.16ms Time] [2021-08-29 03:52:01,956 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8439 states. [2021-08-29 03:52:02,046 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8439 to 8420. [2021-08-29 03:52:02,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8420 states, 8419 states have (on average 1.26737142178406) internal successors, (10670), 8419 states have internal predecessors, (10670), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 03:52:02,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8420 states to 8420 states and 10670 transitions. [2021-08-29 03:52:02,069 INFO L78 Accepts]: Start accepts. Automaton has 8420 states and 10670 transitions. Word has length 213 [2021-08-29 03:52:02,069 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 03:52:02,070 INFO L470 AbstractCegarLoop]: Abstraction has 8420 states and 10670 transitions. [2021-08-29 03:52:02,070 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 69.33333333333333) internal successors, (208), 3 states have internal predecessors, (208), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 03:52:02,070 INFO L276 IsEmpty]: Start isEmpty. Operand 8420 states and 10670 transitions. [2021-08-29 03:52:02,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 230 [2021-08-29 03:52:02,080 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 03:52:02,080 INFO L513 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-29 03:52:02,081 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-08-29 03:52:02,081 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-29 03:52:02,081 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 03:52:02,081 INFO L82 PathProgramCache]: Analyzing trace with hash 640316462, now seen corresponding path program 1 times [2021-08-29 03:52:02,082 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 03:52:02,082 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [918000782] [2021-08-29 03:52:02,082 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 03:52:02,082 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 03:52:02,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 03:52:02,159 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-29 03:52:02,159 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 03:52:02,159 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [918000782] [2021-08-29 03:52:02,160 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [918000782] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-29 03:52:02,160 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-29 03:52:02,160 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-29 03:52:02,160 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [485323610] [2021-08-29 03:52:02,160 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-08-29 03:52:02,160 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 03:52:02,161 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-08-29 03:52:02,161 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-08-29 03:52:02,161 INFO L87 Difference]: Start difference. First operand 8420 states and 10670 transitions. Second operand has 4 states, 4 states have (on average 57.25) internal successors, (229), 3 states have internal predecessors, (229), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 03:52:03,152 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 03:52:03,152 INFO L93 Difference]: Finished difference Result 16873 states and 21407 transitions. [2021-08-29 03:52:03,152 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-08-29 03:52:03,153 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 57.25) internal successors, (229), 3 states have internal predecessors, (229), 0 states have call successors, (0), 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 229 [2021-08-29 03:52:03,153 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 03:52:03,172 INFO L225 Difference]: With dead ends: 16873 [2021-08-29 03:52:03,172 INFO L226 Difference]: Without dead ends: 8455 [2021-08-29 03:52:03,181 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 3.75ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-08-29 03:52:03,182 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 437 mSDsluCounter, 29 mSDsCounter, 0 mSdLazyCounter, 1266 mSolverCounterSat, 321 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 734.39ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 437 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 1587 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 3.74ms SdHoareTripleChecker+Time, 321 IncrementalHoareTripleChecker+Valid, 1266 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 918.46ms IncrementalHoareTripleChecker+Time [2021-08-29 03:52:03,182 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [437 Valid, 0 Invalid, 1587 Unknown, 0 Unchecked, 3.74ms Time], IncrementalHoareTripleChecker [321 Valid, 1266 Invalid, 0 Unknown, 0 Unchecked, 918.46ms Time] [2021-08-29 03:52:03,187 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 8455 states. [2021-08-29 03:52:03,262 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 8455 to 8014. [2021-08-29 03:52:03,280 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8014 states, 8013 states have (on average 1.2694371646075129) internal successors, (10172), 8013 states have internal predecessors, (10172), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 03:52:03,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8014 states to 8014 states and 10172 transitions. [2021-08-29 03:52:03,290 INFO L78 Accepts]: Start accepts. Automaton has 8014 states and 10172 transitions. Word has length 229 [2021-08-29 03:52:03,290 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 03:52:03,291 INFO L470 AbstractCegarLoop]: Abstraction has 8014 states and 10172 transitions. [2021-08-29 03:52:03,292 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 57.25) internal successors, (229), 3 states have internal predecessors, (229), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 03:52:03,292 INFO L276 IsEmpty]: Start isEmpty. Operand 8014 states and 10172 transitions. [2021-08-29 03:52:03,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 237 [2021-08-29 03:52:03,303 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 03:52:03,303 INFO L513 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-29 03:52:03,303 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-08-29 03:52:03,304 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-29 03:52:03,304 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 03:52:03,305 INFO L82 PathProgramCache]: Analyzing trace with hash -699313053, now seen corresponding path program 1 times [2021-08-29 03:52:03,305 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 03:52:03,305 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2039037051] [2021-08-29 03:52:03,307 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 03:52:03,307 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 03:52:03,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 03:52:03,373 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 56 proven. 6 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2021-08-29 03:52:03,373 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 03:52:03,373 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2039037051] [2021-08-29 03:52:03,374 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2039037051] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-29 03:52:03,374 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [74164105] [2021-08-29 03:52:03,374 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 03:52:03,374 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-29 03:52:03,374 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-29 03:52:03,376 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) [2021-08-29 03:52:03,377 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-08-29 03:52:03,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 03:52:03,519 INFO L263 TraceCheckSpWp]: Trace formula consists of 488 conjuncts, 2 conjunts are in the unsatisfiable core [2021-08-29 03:52:03,530 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-29 03:52:03,962 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 56 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2021-08-29 03:52:03,963 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-08-29 03:52:03,963 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [74164105] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-29 03:52:03,963 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-08-29 03:52:03,963 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2021-08-29 03:52:03,963 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [708264977] [2021-08-29 03:52:03,964 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-29 03:52:03,964 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 03:52:03,964 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-29 03:52:03,964 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-08-29 03:52:03,965 INFO L87 Difference]: Start difference. First operand 8014 states and 10172 transitions. Second operand has 3 states, 3 states have (on average 73.0) internal successors, (219), 3 states have internal predecessors, (219), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 03:52:04,677 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 03:52:04,678 INFO L93 Difference]: Finished difference Result 21712 states and 27677 transitions. [2021-08-29 03:52:04,692 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-29 03:52:04,692 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 73.0) internal successors, (219), 3 states have internal predecessors, (219), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 236 [2021-08-29 03:52:04,692 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 03:52:04,713 INFO L225 Difference]: With dead ends: 21712 [2021-08-29 03:52:04,713 INFO L226 Difference]: Without dead ends: 13700 [2021-08-29 03:52:04,721 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 238 GetRequests, 235 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 7.59ms TimeCoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2021-08-29 03:52:04,721 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 49 mSDsluCounter, 29 mSDsCounter, 0 mSdLazyCounter, 951 mSolverCounterSat, 172 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 522.80ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 49 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 1123 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 1.57ms SdHoareTripleChecker+Time, 172 IncrementalHoareTripleChecker+Valid, 951 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 648.79ms IncrementalHoareTripleChecker+Time [2021-08-29 03:52:04,721 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [49 Valid, 0 Invalid, 1123 Unknown, 0 Unchecked, 1.57ms Time], IncrementalHoareTripleChecker [172 Valid, 951 Invalid, 0 Unknown, 0 Unchecked, 648.79ms Time] [2021-08-29 03:52:04,731 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13700 states. [2021-08-29 03:52:04,883 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13700 to 12885. [2021-08-29 03:52:04,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12885 states, 12884 states have (on average 1.2017230673703818) internal successors, (15483), 12884 states have internal predecessors, (15483), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 03:52:04,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12885 states to 12885 states and 15483 transitions. [2021-08-29 03:52:04,915 INFO L78 Accepts]: Start accepts. Automaton has 12885 states and 15483 transitions. Word has length 236 [2021-08-29 03:52:04,915 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 03:52:04,915 INFO L470 AbstractCegarLoop]: Abstraction has 12885 states and 15483 transitions. [2021-08-29 03:52:04,916 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 73.0) internal successors, (219), 3 states have internal predecessors, (219), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 03:52:04,916 INFO L276 IsEmpty]: Start isEmpty. Operand 12885 states and 15483 transitions. [2021-08-29 03:52:04,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 240 [2021-08-29 03:52:04,930 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 03:52:04,931 INFO L513 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-29 03:52:04,954 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-08-29 03:52:05,144 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-29 03:52:05,145 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-29 03:52:05,145 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 03:52:05,145 INFO L82 PathProgramCache]: Analyzing trace with hash 568742382, now seen corresponding path program 1 times [2021-08-29 03:52:05,146 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 03:52:05,146 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [148884075] [2021-08-29 03:52:05,146 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 03:52:05,146 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 03:52:05,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 03:52:05,209 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 52 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2021-08-29 03:52:05,209 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 03:52:05,209 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [148884075] [2021-08-29 03:52:05,210 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [148884075] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-29 03:52:05,210 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-29 03:52:05,210 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-08-29 03:52:05,210 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [447780099] [2021-08-29 03:52:05,210 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-29 03:52:05,211 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 03:52:05,211 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-29 03:52:05,211 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-29 03:52:05,211 INFO L87 Difference]: Start difference. First operand 12885 states and 15483 transitions. Second operand has 3 states, 3 states have (on average 75.66666666666667) internal successors, (227), 2 states have internal predecessors, (227), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 03:52:05,943 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 03:52:05,943 INFO L93 Difference]: Finished difference Result 30880 states and 37039 transitions. [2021-08-29 03:52:05,943 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-29 03:52:05,943 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 75.66666666666667) internal successors, (227), 2 states have internal predecessors, (227), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 239 [2021-08-29 03:52:05,944 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 03:52:05,967 INFO L225 Difference]: With dead ends: 30880 [2021-08-29 03:52:05,968 INFO L226 Difference]: Without dead ends: 17997 [2021-08-29 03:52:05,980 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.90ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-29 03:52:05,981 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 197 mSDsluCounter, 24 mSDsCounter, 0 mSdLazyCounter, 927 mSolverCounterSat, 40 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 504.86ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 197 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 967 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 1.86ms SdHoareTripleChecker+Time, 40 IncrementalHoareTripleChecker+Valid, 927 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 641.36ms IncrementalHoareTripleChecker+Time [2021-08-29 03:52:05,981 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [197 Valid, 0 Invalid, 967 Unknown, 0 Unchecked, 1.86ms Time], IncrementalHoareTripleChecker [40 Valid, 927 Invalid, 0 Unknown, 0 Unchecked, 641.36ms Time] [2021-08-29 03:52:05,993 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17997 states. [2021-08-29 03:52:06,153 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17997 to 17987. [2021-08-29 03:52:06,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17987 states, 17986 states have (on average 1.189647503613922) internal successors, (21397), 17986 states have internal predecessors, (21397), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 03:52:06,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17987 states to 17987 states and 21397 transitions. [2021-08-29 03:52:06,192 INFO L78 Accepts]: Start accepts. Automaton has 17987 states and 21397 transitions. Word has length 239 [2021-08-29 03:52:06,192 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 03:52:06,192 INFO L470 AbstractCegarLoop]: Abstraction has 17987 states and 21397 transitions. [2021-08-29 03:52:06,193 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 75.66666666666667) internal successors, (227), 2 states have internal predecessors, (227), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 03:52:06,193 INFO L276 IsEmpty]: Start isEmpty. Operand 17987 states and 21397 transitions. [2021-08-29 03:52:06,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 247 [2021-08-29 03:52:06,213 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 03:52:06,214 INFO L513 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-29 03:52:06,214 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-08-29 03:52:06,214 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-29 03:52:06,214 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 03:52:06,214 INFO L82 PathProgramCache]: Analyzing trace with hash 1246639075, now seen corresponding path program 1 times [2021-08-29 03:52:06,215 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 03:52:06,215 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [337250039] [2021-08-29 03:52:06,215 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 03:52:06,215 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 03:52:06,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 03:52:06,337 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 79 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-08-29 03:52:06,337 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 03:52:06,337 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [337250039] [2021-08-29 03:52:06,337 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [337250039] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-29 03:52:06,337 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-29 03:52:06,337 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-29 03:52:06,337 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [610210922] [2021-08-29 03:52:06,338 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-29 03:52:06,338 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 03:52:06,338 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-29 03:52:06,338 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-29 03:52:06,338 INFO L87 Difference]: Start difference. First operand 17987 states and 21397 transitions. Second operand has 3 states, 3 states have (on average 80.33333333333333) internal successors, (241), 3 states have internal predecessors, (241), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 03:52:06,719 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 03:52:06,719 INFO L93 Difference]: Finished difference Result 35120 states and 41821 transitions. [2021-08-29 03:52:06,720 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-29 03:52:06,720 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 80.33333333333333) internal successors, (241), 3 states have internal predecessors, (241), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 246 [2021-08-29 03:52:06,720 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 03:52:06,745 INFO L225 Difference]: With dead ends: 35120 [2021-08-29 03:52:06,746 INFO L226 Difference]: Without dead ends: 17541 [2021-08-29 03:52:06,820 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.06ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-29 03:52:06,821 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 329 mSDsluCounter, 0 mSDsCounter, 0 mSdLazyCounter, 354 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 223.86ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 329 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 380 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 0.70ms SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 354 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 292.57ms IncrementalHoareTripleChecker+Time [2021-08-29 03:52:06,821 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [329 Valid, 0 Invalid, 380 Unknown, 0 Unchecked, 0.70ms Time], IncrementalHoareTripleChecker [26 Valid, 354 Invalid, 0 Unknown, 0 Unchecked, 292.57ms Time] [2021-08-29 03:52:06,829 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17541 states. [2021-08-29 03:52:06,978 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17541 to 17541. [2021-08-29 03:52:06,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17541 states, 17540 states have (on average 1.176054732041049) internal successors, (20628), 17540 states have internal predecessors, (20628), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 03:52:07,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17541 states to 17541 states and 20628 transitions. [2021-08-29 03:52:07,018 INFO L78 Accepts]: Start accepts. Automaton has 17541 states and 20628 transitions. Word has length 246 [2021-08-29 03:52:07,018 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 03:52:07,019 INFO L470 AbstractCegarLoop]: Abstraction has 17541 states and 20628 transitions. [2021-08-29 03:52:07,019 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 80.33333333333333) internal successors, (241), 3 states have internal predecessors, (241), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 03:52:07,019 INFO L276 IsEmpty]: Start isEmpty. Operand 17541 states and 20628 transitions. [2021-08-29 03:52:07,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 253 [2021-08-29 03:52:07,040 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 03:52:07,040 INFO L513 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-29 03:52:07,040 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-08-29 03:52:07,040 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-29 03:52:07,041 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 03:52:07,041 INFO L82 PathProgramCache]: Analyzing trace with hash -1611666094, now seen corresponding path program 1 times [2021-08-29 03:52:07,041 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 03:52:07,041 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [58104351] [2021-08-29 03:52:07,041 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 03:52:07,042 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 03:52:07,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 03:52:07,112 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 72 proven. 6 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2021-08-29 03:52:07,112 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 03:52:07,112 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [58104351] [2021-08-29 03:52:07,113 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [58104351] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-29 03:52:07,113 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [709204146] [2021-08-29 03:52:07,113 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 03:52:07,113 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-29 03:52:07,113 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-29 03:52:07,114 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) [2021-08-29 03:52:07,121 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-08-29 03:52:07,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 03:52:07,283 INFO L263 TraceCheckSpWp]: Trace formula consists of 503 conjuncts, 2 conjunts are in the unsatisfiable core [2021-08-29 03:52:07,286 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-29 03:52:07,637 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 91 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2021-08-29 03:52:07,637 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-08-29 03:52:07,637 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [709204146] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-29 03:52:07,638 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-08-29 03:52:07,638 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2021-08-29 03:52:07,638 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1697446012] [2021-08-29 03:52:07,638 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-29 03:52:07,639 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 03:52:07,639 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-29 03:52:07,639 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-08-29 03:52:07,639 INFO L87 Difference]: Start difference. First operand 17541 states and 20628 transitions. Second operand has 3 states, 3 states have (on average 82.33333333333333) internal successors, (247), 3 states have internal predecessors, (247), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 03:52:08,329 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 03:52:08,329 INFO L93 Difference]: Finished difference Result 40966 states and 48805 transitions. [2021-08-29 03:52:08,329 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-29 03:52:08,329 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 82.33333333333333) internal successors, (247), 3 states have internal predecessors, (247), 0 states have call successors, (0), 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 252 [2021-08-29 03:52:08,330 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 03:52:08,355 INFO L225 Difference]: With dead ends: 40966 [2021-08-29 03:52:08,355 INFO L226 Difference]: Without dead ends: 23630 [2021-08-29 03:52:08,369 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 254 GetRequests, 251 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 7.64ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-08-29 03:52:08,369 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 205 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 627 mSolverCounterSat, 185 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 423.05ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 205 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 812 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 1.45ms SdHoareTripleChecker+Time, 185 IncrementalHoareTripleChecker+Valid, 627 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 568.98ms IncrementalHoareTripleChecker+Time [2021-08-29 03:52:08,370 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [205 Valid, 0 Invalid, 812 Unknown, 0 Unchecked, 1.45ms Time], IncrementalHoareTripleChecker [185 Valid, 627 Invalid, 0 Unknown, 0 Unchecked, 568.98ms Time] [2021-08-29 03:52:08,387 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23630 states. [2021-08-29 03:52:08,592 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23630 to 23221. [2021-08-29 03:52:08,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 23221 states, 23220 states have (on average 1.1512489233419465) internal successors, (26732), 23220 states have internal predecessors, (26732), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 03:52:08,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 23221 states to 23221 states and 26732 transitions. [2021-08-29 03:52:08,632 INFO L78 Accepts]: Start accepts. Automaton has 23221 states and 26732 transitions. Word has length 252 [2021-08-29 03:52:08,632 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 03:52:08,633 INFO L470 AbstractCegarLoop]: Abstraction has 23221 states and 26732 transitions. [2021-08-29 03:52:08,633 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 82.33333333333333) internal successors, (247), 3 states have internal predecessors, (247), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 03:52:08,633 INFO L276 IsEmpty]: Start isEmpty. Operand 23221 states and 26732 transitions. [2021-08-29 03:52:08,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 274 [2021-08-29 03:52:08,648 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 03:52:08,648 INFO L513 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-29 03:52:08,676 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-08-29 03:52:08,876 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,SelfDestructingSolverStorable10 [2021-08-29 03:52:08,877 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-29 03:52:08,877 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 03:52:08,877 INFO L82 PathProgramCache]: Analyzing trace with hash -865561927, now seen corresponding path program 1 times [2021-08-29 03:52:08,877 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 03:52:08,877 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1047695598] [2021-08-29 03:52:08,877 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 03:52:08,877 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 03:52:08,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 03:52:08,961 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 85 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2021-08-29 03:52:08,961 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 03:52:08,961 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1047695598] [2021-08-29 03:52:08,961 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1047695598] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-29 03:52:08,962 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-29 03:52:08,962 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-08-29 03:52:08,962 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [635091245] [2021-08-29 03:52:08,962 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-29 03:52:08,962 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 03:52:08,963 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-29 03:52:08,963 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-29 03:52:08,963 INFO L87 Difference]: Start difference. First operand 23221 states and 26732 transitions. Second operand has 3 states, 3 states have (on average 87.33333333333333) internal successors, (262), 2 states have internal predecessors, (262), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 03:52:09,687 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 03:52:09,688 INFO L93 Difference]: Finished difference Result 52766 states and 61174 transitions. [2021-08-29 03:52:09,688 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-29 03:52:09,688 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 87.33333333333333) internal successors, (262), 2 states have internal predecessors, (262), 0 states have call successors, (0), 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 273 [2021-08-29 03:52:09,688 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 03:52:09,724 INFO L225 Difference]: With dead ends: 52766 [2021-08-29 03:52:09,724 INFO L226 Difference]: Without dead ends: 29750 [2021-08-29 03:52:09,741 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.63ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-29 03:52:09,742 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 156 mSDsluCounter, 27 mSDsCounter, 0 mSdLazyCounter, 788 mSolverCounterSat, 44 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 464.00ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 156 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 832 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 1.58ms SdHoareTripleChecker+Time, 44 IncrementalHoareTripleChecker+Valid, 788 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 592.88ms IncrementalHoareTripleChecker+Time [2021-08-29 03:52:09,742 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [156 Valid, 0 Invalid, 832 Unknown, 0 Unchecked, 1.58ms Time], IncrementalHoareTripleChecker [44 Valid, 788 Invalid, 0 Unknown, 0 Unchecked, 592.88ms Time] [2021-08-29 03:52:09,761 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 29750 states. [2021-08-29 03:52:10,052 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 29750 to 28714. [2021-08-29 03:52:10,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 28714 states, 28713 states have (on average 1.163236164803399) internal successors, (33400), 28713 states have internal predecessors, (33400), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 03:52:10,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28714 states to 28714 states and 33400 transitions. [2021-08-29 03:52:10,108 INFO L78 Accepts]: Start accepts. Automaton has 28714 states and 33400 transitions. Word has length 273 [2021-08-29 03:52:10,108 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 03:52:10,108 INFO L470 AbstractCegarLoop]: Abstraction has 28714 states and 33400 transitions. [2021-08-29 03:52:10,108 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 87.33333333333333) internal successors, (262), 2 states have internal predecessors, (262), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 03:52:10,108 INFO L276 IsEmpty]: Start isEmpty. Operand 28714 states and 33400 transitions. [2021-08-29 03:52:10,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 279 [2021-08-29 03:52:10,126 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 03:52:10,126 INFO L513 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 4, 4, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-08-29 03:52:10,126 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-08-29 03:52:10,126 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-29 03:52:10,127 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 03:52:10,127 INFO L82 PathProgramCache]: Analyzing trace with hash -1156587011, now seen corresponding path program 1 times [2021-08-29 03:52:10,127 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 03:52:10,127 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [759255313] [2021-08-29 03:52:10,127 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 03:52:10,127 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 03:52:10,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 03:52:10,209 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 113 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2021-08-29 03:52:10,210 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 03:52:10,210 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [759255313] [2021-08-29 03:52:10,210 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [759255313] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-29 03:52:10,210 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-29 03:52:10,210 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-29 03:52:10,211 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1712656314] [2021-08-29 03:52:10,211 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-29 03:52:10,211 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 03:52:10,211 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-29 03:52:10,211 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-29 03:52:10,212 INFO L87 Difference]: Start difference. First operand 28714 states and 33400 transitions. Second operand has 3 states, 3 states have (on average 89.0) internal successors, (267), 3 states have internal predecessors, (267), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 03:52:10,936 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 03:52:10,936 INFO L93 Difference]: Finished difference Result 52732 states and 61187 transitions. [2021-08-29 03:52:10,937 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-29 03:52:10,937 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 89.0) internal successors, (267), 3 states have internal predecessors, (267), 0 states have call successors, (0), 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 278 [2021-08-29 03:52:10,937 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 03:52:10,964 INFO L225 Difference]: With dead ends: 52732 [2021-08-29 03:52:10,964 INFO L226 Difference]: Without dead ends: 24223 [2021-08-29 03:52:10,986 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.11ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-29 03:52:10,986 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 253 mSDsluCounter, 15 mSDsCounter, 0 mSdLazyCounter, 851 mSolverCounterSat, 120 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 441.33ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 253 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 971 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 1.56ms SdHoareTripleChecker+Time, 120 IncrementalHoareTripleChecker+Valid, 851 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 564.89ms IncrementalHoareTripleChecker+Time [2021-08-29 03:52:10,987 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [253 Valid, 0 Invalid, 971 Unknown, 0 Unchecked, 1.56ms Time], IncrementalHoareTripleChecker [120 Valid, 851 Invalid, 0 Unknown, 0 Unchecked, 564.89ms Time] [2021-08-29 03:52:11,004 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24223 states. [2021-08-29 03:52:11,317 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24223 to 24222. [2021-08-29 03:52:11,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24222 states, 24221 states have (on average 1.1302588662730688) internal successors, (27376), 24221 states have internal predecessors, (27376), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 03:52:11,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24222 states to 24222 states and 27376 transitions. [2021-08-29 03:52:11,357 INFO L78 Accepts]: Start accepts. Automaton has 24222 states and 27376 transitions. Word has length 278 [2021-08-29 03:52:11,358 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 03:52:11,358 INFO L470 AbstractCegarLoop]: Abstraction has 24222 states and 27376 transitions. [2021-08-29 03:52:11,358 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 89.0) internal successors, (267), 3 states have internal predecessors, (267), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 03:52:11,358 INFO L276 IsEmpty]: Start isEmpty. Operand 24222 states and 27376 transitions. [2021-08-29 03:52:11,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 321 [2021-08-29 03:52:11,376 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 03:52:11,376 INFO L513 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-29 03:52:11,376 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-08-29 03:52:11,377 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-29 03:52:11,377 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 03:52:11,377 INFO L82 PathProgramCache]: Analyzing trace with hash -1813845409, now seen corresponding path program 1 times [2021-08-29 03:52:11,377 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 03:52:11,377 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [543994758] [2021-08-29 03:52:11,378 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 03:52:11,378 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 03:52:11,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 03:52:11,535 INFO L134 CoverageAnalysis]: Checked inductivity of 199 backedges. 138 proven. 6 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2021-08-29 03:52:11,535 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 03:52:11,535 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [543994758] [2021-08-29 03:52:11,535 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [543994758] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-29 03:52:11,535 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1087570003] [2021-08-29 03:52:11,536 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 03:52:11,536 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-29 03:52:11,536 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-29 03:52:11,537 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) [2021-08-29 03:52:11,539 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Waiting until timeout for monitored process [2021-08-29 03:52:11,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 03:52:11,662 INFO L263 TraceCheckSpWp]: Trace formula consists of 574 conjuncts, 2 conjunts are in the unsatisfiable core [2021-08-29 03:52:11,666 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-29 03:52:12,140 INFO L134 CoverageAnalysis]: Checked inductivity of 199 backedges. 138 proven. 0 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked. [2021-08-29 03:52:12,140 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-08-29 03:52:12,141 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1087570003] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-29 03:52:12,141 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-08-29 03:52:12,141 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2021-08-29 03:52:12,143 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2106779632] [2021-08-29 03:52:12,143 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-29 03:52:12,144 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 03:52:12,144 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-29 03:52:12,144 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-08-29 03:52:12,144 INFO L87 Difference]: Start difference. First operand 24222 states and 27376 transitions. Second operand has 3 states, 3 states have (on average 87.0) internal successors, (261), 3 states have internal predecessors, (261), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 03:52:12,895 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 03:52:12,895 INFO L93 Difference]: Finished difference Result 48242 states and 54532 transitions. [2021-08-29 03:52:12,896 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-29 03:52:12,896 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 87.0) internal successors, (261), 3 states have internal predecessors, (261), 0 states have call successors, (0), 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 320 [2021-08-29 03:52:12,896 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 03:52:12,916 INFO L225 Difference]: With dead ends: 48242 [2021-08-29 03:52:12,916 INFO L226 Difference]: Without dead ends: 24225 [2021-08-29 03:52:12,929 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 323 GetRequests, 319 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 33.65ms TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-08-29 03:52:12,930 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 78 mSDsluCounter, 9 mSDsCounter, 0 mSdLazyCounter, 898 mSolverCounterSat, 26 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 411.39ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 78 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 924 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 1.22ms SdHoareTripleChecker+Time, 26 IncrementalHoareTripleChecker+Valid, 898 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 636.01ms IncrementalHoareTripleChecker+Time [2021-08-29 03:52:12,930 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [78 Valid, 0 Invalid, 924 Unknown, 0 Unchecked, 1.22ms Time], IncrementalHoareTripleChecker [26 Valid, 898 Invalid, 0 Unknown, 0 Unchecked, 636.01ms Time] [2021-08-29 03:52:12,941 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24225 states. [2021-08-29 03:52:13,091 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24225 to 24019. [2021-08-29 03:52:13,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 24019 states, 24018 states have (on average 1.123240902656341) internal successors, (26978), 24018 states have internal predecessors, (26978), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 03:52:13,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 24019 states to 24019 states and 26978 transitions. [2021-08-29 03:52:13,131 INFO L78 Accepts]: Start accepts. Automaton has 24019 states and 26978 transitions. Word has length 320 [2021-08-29 03:52:13,132 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 03:52:13,132 INFO L470 AbstractCegarLoop]: Abstraction has 24019 states and 26978 transitions. [2021-08-29 03:52:13,132 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 87.0) internal successors, (261), 3 states have internal predecessors, (261), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 03:52:13,132 INFO L276 IsEmpty]: Start isEmpty. Operand 24019 states and 26978 transitions. [2021-08-29 03:52:13,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 344 [2021-08-29 03:52:13,158 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 03:52:13,158 INFO L513 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-29 03:52:13,178 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (4)] Forceful destruction successful, exit code 0 [2021-08-29 03:52:13,372 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-29 03:52:13,373 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-29 03:52:13,373 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 03:52:13,373 INFO L82 PathProgramCache]: Analyzing trace with hash -286357932, now seen corresponding path program 1 times [2021-08-29 03:52:13,373 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 03:52:13,373 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1880342881] [2021-08-29 03:52:13,373 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 03:52:13,374 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 03:52:13,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 03:52:13,588 INFO L134 CoverageAnalysis]: Checked inductivity of 274 backedges. 167 proven. 6 refuted. 0 times theorem prover too weak. 101 trivial. 0 not checked. [2021-08-29 03:52:13,588 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 03:52:13,588 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1880342881] [2021-08-29 03:52:13,588 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1880342881] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-29 03:52:13,588 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [610939470] [2021-08-29 03:52:13,589 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 03:52:13,589 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-29 03:52:13,589 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-29 03:52:13,594 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) [2021-08-29 03:52:13,595 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Waiting until timeout for monitored process [2021-08-29 03:52:13,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 03:52:13,716 INFO L263 TraceCheckSpWp]: Trace formula consists of 639 conjuncts, 2 conjunts are in the unsatisfiable core [2021-08-29 03:52:13,719 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-29 03:52:14,143 INFO L134 CoverageAnalysis]: Checked inductivity of 274 backedges. 207 proven. 0 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2021-08-29 03:52:14,143 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-08-29 03:52:14,143 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [610939470] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-29 03:52:14,143 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-08-29 03:52:14,144 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2021-08-29 03:52:14,144 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1778494199] [2021-08-29 03:52:14,144 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-29 03:52:14,144 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 03:52:14,145 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-29 03:52:14,145 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-08-29 03:52:14,145 INFO L87 Difference]: Start difference. First operand 24019 states and 26978 transitions. Second operand has 3 states, 3 states have (on average 94.66666666666667) internal successors, (284), 3 states have internal predecessors, (284), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 03:52:14,814 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 03:52:14,814 INFO L93 Difference]: Finished difference Result 46625 states and 52367 transitions. [2021-08-29 03:52:14,814 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-29 03:52:14,815 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 94.66666666666667) internal successors, (284), 3 states have internal predecessors, (284), 0 states have call successors, (0), 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 343 [2021-08-29 03:52:14,815 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 03:52:14,837 INFO L225 Difference]: With dead ends: 46625 [2021-08-29 03:52:14,837 INFO L226 Difference]: Without dead ends: 22811 [2021-08-29 03:52:14,851 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 346 GetRequests, 342 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 32.90ms TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-08-29 03:52:14,852 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 202 mSDsluCounter, 14 mSDsCounter, 0 mSdLazyCounter, 987 mSolverCounterSat, 63 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 458.40ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 202 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 1050 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 2.01ms SdHoareTripleChecker+Time, 63 IncrementalHoareTripleChecker+Valid, 987 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 566.64ms IncrementalHoareTripleChecker+Time [2021-08-29 03:52:14,852 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [202 Valid, 0 Invalid, 1050 Unknown, 0 Unchecked, 2.01ms Time], IncrementalHoareTripleChecker [63 Valid, 987 Invalid, 0 Unknown, 0 Unchecked, 566.64ms Time] [2021-08-29 03:52:14,865 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22811 states. [2021-08-29 03:52:15,015 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22811 to 22801. [2021-08-29 03:52:15,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 22801 states, 22800 states have (on average 1.1169736842105262) internal successors, (25467), 22800 states have internal predecessors, (25467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 03:52:15,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 22801 states to 22801 states and 25467 transitions. [2021-08-29 03:52:15,050 INFO L78 Accepts]: Start accepts. Automaton has 22801 states and 25467 transitions. Word has length 343 [2021-08-29 03:52:15,050 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 03:52:15,050 INFO L470 AbstractCegarLoop]: Abstraction has 22801 states and 25467 transitions. [2021-08-29 03:52:15,051 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 94.66666666666667) internal successors, (284), 3 states have internal predecessors, (284), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 03:52:15,051 INFO L276 IsEmpty]: Start isEmpty. Operand 22801 states and 25467 transitions. [2021-08-29 03:52:15,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 361 [2021-08-29 03:52:15,069 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 03:52:15,069 INFO L513 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-29 03:52:15,088 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (5)] Forceful destruction successful, exit code 0 [2021-08-29 03:52:15,288 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable14 [2021-08-29 03:52:15,289 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-29 03:52:15,289 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 03:52:15,289 INFO L82 PathProgramCache]: Analyzing trace with hash 2051678834, now seen corresponding path program 1 times [2021-08-29 03:52:15,289 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 03:52:15,290 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1852845126] [2021-08-29 03:52:15,290 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 03:52:15,290 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 03:52:15,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 03:52:15,459 INFO L134 CoverageAnalysis]: Checked inductivity of 307 backedges. 183 proven. 6 refuted. 0 times theorem prover too weak. 118 trivial. 0 not checked. [2021-08-29 03:52:15,459 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 03:52:15,459 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1852845126] [2021-08-29 03:52:15,459 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1852845126] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-29 03:52:15,460 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [2052283776] [2021-08-29 03:52:15,460 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 03:52:15,460 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-29 03:52:15,460 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-29 03:52:15,461 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) [2021-08-29 03:52:15,462 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Waiting until timeout for monitored process [2021-08-29 03:52:15,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 03:52:15,600 INFO L263 TraceCheckSpWp]: Trace formula consists of 665 conjuncts, 3 conjunts are in the unsatisfiable core [2021-08-29 03:52:15,604 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-29 03:52:16,128 INFO L134 CoverageAnalysis]: Checked inductivity of 307 backedges. 172 proven. 0 refuted. 0 times theorem prover too weak. 135 trivial. 0 not checked. [2021-08-29 03:52:16,128 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-08-29 03:52:16,129 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [2052283776] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-29 03:52:16,129 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-08-29 03:52:16,129 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2021-08-29 03:52:16,129 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1813633465] [2021-08-29 03:52:16,130 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-29 03:52:16,130 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 03:52:16,130 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-29 03:52:16,130 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-08-29 03:52:16,130 INFO L87 Difference]: Start difference. First operand 22801 states and 25467 transitions. Second operand has 3 states, 3 states have (on average 87.66666666666667) internal successors, (263), 3 states have internal predecessors, (263), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 03:52:16,824 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 03:52:16,824 INFO L93 Difference]: Finished difference Result 45808 states and 51145 transitions. [2021-08-29 03:52:16,824 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-29 03:52:16,824 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 87.66666666666667) internal successors, (263), 3 states have internal predecessors, (263), 0 states have call successors, (0), 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 360 [2021-08-29 03:52:16,825 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 03:52:16,825 INFO L225 Difference]: With dead ends: 45808 [2021-08-29 03:52:16,825 INFO L226 Difference]: Without dead ends: 0 [2021-08-29 03:52:16,841 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 363 GetRequests, 359 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 33.30ms TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-08-29 03:52:16,841 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 49 mSDsluCounter, 24 mSDsCounter, 0 mSdLazyCounter, 845 mSolverCounterSat, 158 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 438.96ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 49 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 1003 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 1.30ms SdHoareTripleChecker+Time, 158 IncrementalHoareTripleChecker+Valid, 845 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 549.77ms IncrementalHoareTripleChecker+Time [2021-08-29 03:52:16,841 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [49 Valid, 0 Invalid, 1003 Unknown, 0 Unchecked, 1.30ms Time], IncrementalHoareTripleChecker [158 Valid, 845 Invalid, 0 Unknown, 0 Unchecked, 549.77ms Time] [2021-08-29 03:52:16,841 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-08-29 03:52:16,842 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-08-29 03:52:16,842 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) [2021-08-29 03:52:16,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-08-29 03:52:16,842 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 360 [2021-08-29 03:52:16,842 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 03:52:16,842 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-08-29 03:52:16,842 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 87.66666666666667) internal successors, (263), 3 states have internal predecessors, (263), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 03:52:16,842 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-08-29 03:52:16,843 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-08-29 03:52:16,844 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-08-29 03:52:16,863 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (6)] Forceful destruction successful, exit code 0 [2021-08-29 03:52:17,057 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,SelfDestructingSolverStorable15 [2021-08-29 03:52:17,060 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-08-29 03:52:17,064 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 03:52:17,067 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 03:52:17,124 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 03:52:17,527 INFO L858 garLoopResultBuilder]: For program point L1621(line 1621) no Hoare annotation was computed. [2021-08-29 03:52:17,527 INFO L858 garLoopResultBuilder]: For program point L1555(line 1555) no Hoare annotation was computed. [2021-08-29 03:52:17,527 INFO L858 garLoopResultBuilder]: For program point L498(lines 498 1475) no Hoare annotation was computed. [2021-08-29 03:52:17,527 INFO L858 garLoopResultBuilder]: For program point L1489(line 1489) no Hoare annotation was computed. [2021-08-29 03:52:17,527 INFO L858 garLoopResultBuilder]: For program point L432(lines 432 1475) no Hoare annotation was computed. [2021-08-29 03:52:17,527 INFO L858 garLoopResultBuilder]: For program point L366(lines 366 1475) no Hoare annotation was computed. [2021-08-29 03:52:17,528 INFO L858 garLoopResultBuilder]: For program point L763(lines 763 1475) no Hoare annotation was computed. [2021-08-29 03:52:17,528 INFO L858 garLoopResultBuilder]: For program point L632(lines 632 1475) no Hoare annotation was computed. [2021-08-29 03:52:17,528 INFO L858 garLoopResultBuilder]: For program point L566(lines 566 1475) no Hoare annotation was computed. [2021-08-29 03:52:17,528 INFO L858 garLoopResultBuilder]: For program point L1623-1(lines 64 1660) no Hoare annotation was computed. [2021-08-29 03:52:17,528 INFO L858 garLoopResultBuilder]: For program point L1557-1(lines 64 1660) no Hoare annotation was computed. [2021-08-29 03:52:17,528 INFO L858 garLoopResultBuilder]: For program point L1491-1(lines 64 1660) no Hoare annotation was computed. [2021-08-29 03:52:17,528 INFO L858 garLoopResultBuilder]: For program point L302(lines 302 1475) no Hoare annotation was computed. [2021-08-29 03:52:17,528 INFO L858 garLoopResultBuilder]: For program point L1293(lines 1293 1475) no Hoare annotation was computed. [2021-08-29 03:52:17,528 INFO L858 garLoopResultBuilder]: For program point L1624(line 1624) no Hoare annotation was computed. [2021-08-29 03:52:17,528 INFO L858 garLoopResultBuilder]: For program point L1558(line 1558) no Hoare annotation was computed. [2021-08-29 03:52:17,528 INFO L858 garLoopResultBuilder]: For program point L1492(line 1492) no Hoare annotation was computed. [2021-08-29 03:52:17,528 INFO L858 garLoopResultBuilder]: For program point L1360(lines 1360 1475) no Hoare annotation was computed. [2021-08-29 03:52:17,528 INFO L858 garLoopResultBuilder]: For program point L1294(lines 1294 1313) no Hoare annotation was computed. [2021-08-29 03:52:17,528 INFO L858 garLoopResultBuilder]: For program point L1294-2(lines 1294 1313) no Hoare annotation was computed. [2021-08-29 03:52:17,528 INFO L858 garLoopResultBuilder]: For program point L1162(lines 1162 1475) no Hoare annotation was computed. [2021-08-29 03:52:17,528 INFO L858 garLoopResultBuilder]: For program point L105(lines 105 1475) no Hoare annotation was computed. [2021-08-29 03:52:17,529 INFO L858 garLoopResultBuilder]: For program point L1096(lines 1096 1475) no Hoare annotation was computed. [2021-08-29 03:52:17,529 INFO L858 garLoopResultBuilder]: For program point L1031(lines 1031 1475) no Hoare annotation was computed. [2021-08-29 03:52:17,529 INFO L858 garLoopResultBuilder]: For program point L965(lines 965 1475) no Hoare annotation was computed. [2021-08-29 03:52:17,529 INFO L858 garLoopResultBuilder]: For program point L899(lines 899 1475) no Hoare annotation was computed. [2021-08-29 03:52:17,529 INFO L858 garLoopResultBuilder]: For program point L1626-1(lines 64 1660) no Hoare annotation was computed. [2021-08-29 03:52:17,529 INFO L858 garLoopResultBuilder]: For program point L1560-1(lines 64 1660) no Hoare annotation was computed. [2021-08-29 03:52:17,529 INFO L858 garLoopResultBuilder]: For program point L1494-1(lines 64 1660) no Hoare annotation was computed. [2021-08-29 03:52:17,529 INFO L858 garLoopResultBuilder]: For program point L1627(line 1627) no Hoare annotation was computed. [2021-08-29 03:52:17,529 INFO L858 garLoopResultBuilder]: For program point L1561(line 1561) no Hoare annotation was computed. [2021-08-29 03:52:17,529 INFO L858 garLoopResultBuilder]: For program point L1495(line 1495) no Hoare annotation was computed. [2021-08-29 03:52:17,529 INFO L858 garLoopResultBuilder]: For program point L174(lines 174 1475) no Hoare annotation was computed. [2021-08-29 03:52:17,529 INFO L858 garLoopResultBuilder]: For program point L835(lines 835 1475) no Hoare annotation was computed. [2021-08-29 03:52:17,529 INFO L858 garLoopResultBuilder]: For program point L1629-1(lines 64 1660) no Hoare annotation was computed. [2021-08-29 03:52:17,529 INFO L858 garLoopResultBuilder]: For program point L1563-1(lines 64 1660) no Hoare annotation was computed. [2021-08-29 03:52:17,529 INFO L858 garLoopResultBuilder]: For program point L1497-1(lines 64 1660) no Hoare annotation was computed. [2021-08-29 03:52:17,529 INFO L858 garLoopResultBuilder]: For program point L771(lines 771 1475) no Hoare annotation was computed. [2021-08-29 03:52:17,529 INFO L858 garLoopResultBuilder]: For program point L1630(line 1630) no Hoare annotation was computed. [2021-08-29 03:52:17,529 INFO L858 garLoopResultBuilder]: For program point L1564(line 1564) no Hoare annotation was computed. [2021-08-29 03:52:17,530 INFO L858 garLoopResultBuilder]: For program point L507(lines 507 1475) no Hoare annotation was computed. [2021-08-29 03:52:17,530 INFO L858 garLoopResultBuilder]: For program point L1498(line 1498) no Hoare annotation was computed. [2021-08-29 03:52:17,530 INFO L858 garLoopResultBuilder]: For program point L243(lines 243 1475) no Hoare annotation was computed. [2021-08-29 03:52:17,530 INFO L858 garLoopResultBuilder]: For program point L508(lines 508 521) no Hoare annotation was computed. [2021-08-29 03:52:17,530 INFO L858 garLoopResultBuilder]: For program point L508-2(lines 508 521) no Hoare annotation was computed. [2021-08-29 03:52:17,530 INFO L858 garLoopResultBuilder]: For program point L1433(lines 1433 1475) no Hoare annotation was computed. [2021-08-29 03:52:17,530 INFO L858 garLoopResultBuilder]: For program point L376(lines 376 1475) no Hoare annotation was computed. [2021-08-29 03:52:17,530 INFO L858 garLoopResultBuilder]: For program point L1632-1(lines 64 1660) no Hoare annotation was computed. [2021-08-29 03:52:17,530 INFO L858 garLoopResultBuilder]: For program point L1566-1(lines 64 1660) no Hoare annotation was computed. [2021-08-29 03:52:17,530 INFO L858 garLoopResultBuilder]: For program point L1500-1(lines 64 1660) no Hoare annotation was computed. [2021-08-29 03:52:17,530 INFO L858 garLoopResultBuilder]: For program point L311(lines 311 1475) no Hoare annotation was computed. [2021-08-29 03:52:17,530 INFO L858 garLoopResultBuilder]: For program point L1236(lines 1236 1475) no Hoare annotation was computed. [2021-08-29 03:52:17,530 INFO L858 garLoopResultBuilder]: For program point L1633(line 1633) no Hoare annotation was computed. [2021-08-29 03:52:17,530 INFO L858 garLoopResultBuilder]: For program point L576(lines 576 1475) no Hoare annotation was computed. [2021-08-29 03:52:17,530 INFO L858 garLoopResultBuilder]: For program point L1567(line 1567) no Hoare annotation was computed. [2021-08-29 03:52:17,530 INFO L858 garLoopResultBuilder]: For program point L1501(line 1501) no Hoare annotation was computed. [2021-08-29 03:52:17,530 INFO L858 garLoopResultBuilder]: For program point L444(lines 444 1475) no Hoare annotation was computed. [2021-08-29 03:52:17,530 INFO L858 garLoopResultBuilder]: For program point L1369(lines 1369 1475) no Hoare annotation was computed. [2021-08-29 03:52:17,531 INFO L858 garLoopResultBuilder]: For program point L1105(lines 1105 1475) no Hoare annotation was computed. [2021-08-29 03:52:17,531 INFO L858 garLoopResultBuilder]: For program point L643(lines 643 1475) no Hoare annotation was computed. [2021-08-29 03:52:17,531 INFO L858 garLoopResultBuilder]: For program point L1370(lines 1370 1389) no Hoare annotation was computed. [2021-08-29 03:52:17,531 INFO L858 garLoopResultBuilder]: For program point L1370-2(lines 1370 1389) no Hoare annotation was computed. [2021-08-29 03:52:17,531 INFO L858 garLoopResultBuilder]: For program point L1172(lines 1172 1475) no Hoare annotation was computed. [2021-08-29 03:52:17,531 INFO L858 garLoopResultBuilder]: For program point L115(lines 115 1475) no Hoare annotation was computed. [2021-08-29 03:52:17,531 INFO L858 garLoopResultBuilder]: For program point L1635-1(lines 64 1660) no Hoare annotation was computed. [2021-08-29 03:52:17,531 INFO L858 garLoopResultBuilder]: For program point L1569-1(lines 64 1660) no Hoare annotation was computed. [2021-08-29 03:52:17,531 INFO L858 garLoopResultBuilder]: For program point L1503-1(lines 64 1660) no Hoare annotation was computed. [2021-08-29 03:52:17,531 INFO L858 garLoopResultBuilder]: For program point L248(lines 248 1475) no Hoare annotation was computed. [2021-08-29 03:52:17,531 INFO L858 garLoopResultBuilder]: For program point L182(lines 182 1475) no Hoare annotation was computed. [2021-08-29 03:52:17,531 INFO L858 garLoopResultBuilder]: For program point L1041(lines 1041 1475) no Hoare annotation was computed. [2021-08-29 03:52:17,531 INFO L858 garLoopResultBuilder]: For program point L909(lines 909 1475) no Hoare annotation was computed. [2021-08-29 03:52:17,535 INFO L858 garLoopResultBuilder]: For program point L711(lines 711 1475) no Hoare annotation was computed. [2021-08-29 03:52:17,535 INFO L858 garLoopResultBuilder]: For program point L1636(line 1636) no Hoare annotation was computed. [2021-08-29 03:52:17,535 INFO L858 garLoopResultBuilder]: For program point L1570(line 1570) no Hoare annotation was computed. [2021-08-29 03:52:17,535 INFO L858 garLoopResultBuilder]: For program point L1504(line 1504) no Hoare annotation was computed. [2021-08-29 03:52:17,535 INFO L858 garLoopResultBuilder]: For program point L976(lines 976 1475) no Hoare annotation was computed. [2021-08-29 03:52:17,536 INFO L858 garLoopResultBuilder]: For program point L779(lines 779 1475) no Hoare annotation was computed. [2021-08-29 03:52:17,536 INFO L858 garLoopResultBuilder]: For program point L1638-1(lines 64 1660) no Hoare annotation was computed. [2021-08-29 03:52:17,536 INFO L858 garLoopResultBuilder]: For program point L1572-1(lines 64 1660) no Hoare annotation was computed. [2021-08-29 03:52:17,536 INFO L858 garLoopResultBuilder]: For program point L1506-1(lines 64 1660) no Hoare annotation was computed. [2021-08-29 03:52:17,536 INFO L858 garLoopResultBuilder]: For program point L846(lines 846 1475) no Hoare annotation was computed. [2021-08-29 03:52:17,536 INFO L858 garLoopResultBuilder]: For program point L1639(line 1639) no Hoare annotation was computed. [2021-08-29 03:52:17,537 INFO L858 garLoopResultBuilder]: For program point L1573(line 1573) no Hoare annotation was computed. [2021-08-29 03:52:17,537 INFO L858 garLoopResultBuilder]: For program point L1507(line 1507) no Hoare annotation was computed. [2021-08-29 03:52:17,537 INFO L858 garLoopResultBuilder]: For program point L451(lines 451 1475) no Hoare annotation was computed. [2021-08-29 03:52:17,537 INFO L858 garLoopResultBuilder]: For program point L1442(lines 1442 1475) no Hoare annotation was computed. [2021-08-29 03:52:17,537 INFO L858 garLoopResultBuilder]: For program point L584(lines 584 1475) no Hoare annotation was computed. [2021-08-29 03:52:17,537 INFO L858 garLoopResultBuilder]: For program point L1641-1(lines 64 1660) no Hoare annotation was computed. [2021-08-29 03:52:17,537 INFO L858 garLoopResultBuilder]: For program point L1575-1(lines 64 1660) no Hoare annotation was computed. [2021-08-29 03:52:17,537 INFO L858 garLoopResultBuilder]: For program point L1509-1(lines 64 1660) no Hoare annotation was computed. [2021-08-29 03:52:17,537 INFO L858 garLoopResultBuilder]: For program point L1642(line 1642) no Hoare annotation was computed. [2021-08-29 03:52:17,538 INFO L858 garLoopResultBuilder]: For program point L1576(line 1576) no Hoare annotation was computed. [2021-08-29 03:52:17,538 INFO L858 garLoopResultBuilder]: For program point L1510(line 1510) no Hoare annotation was computed. [2021-08-29 03:52:17,538 INFO L858 garLoopResultBuilder]: For program point L387(lines 387 1475) no Hoare annotation was computed. [2021-08-29 03:52:17,538 INFO L858 garLoopResultBuilder]: For program point L1114(lines 1114 1475) no Hoare annotation was computed. [2021-08-29 03:52:17,538 INFO L858 garLoopResultBuilder]: For program point L1048(lines 1048 1475) no Hoare annotation was computed. [2021-08-29 03:52:17,538 INFO L858 garLoopResultBuilder]: For program point L388(lines 388 405) no Hoare annotation was computed. [2021-08-29 03:52:17,538 INFO L858 garLoopResultBuilder]: For program point L322(lines 322 1475) no Hoare annotation was computed. [2021-08-29 03:52:17,538 INFO L858 garLoopResultBuilder]: For program point L388-2(lines 388 405) no Hoare annotation was computed. [2021-08-29 03:52:17,538 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-08-29 03:52:17,539 INFO L858 garLoopResultBuilder]: For program point L1247(lines 1247 1475) no Hoare annotation was computed. [2021-08-29 03:52:17,539 INFO L858 garLoopResultBuilder]: For program point L124(lines 124 1475) no Hoare annotation was computed. [2021-08-29 03:52:17,539 INFO L858 garLoopResultBuilder]: For program point L1049(lines 1049 1069) no Hoare annotation was computed. [2021-08-29 03:52:17,539 INFO L858 garLoopResultBuilder]: For program point L1049-2(lines 1049 1069) no Hoare annotation was computed. [2021-08-29 03:52:17,539 INFO L858 garLoopResultBuilder]: For program point L917(lines 917 1475) no Hoare annotation was computed. [2021-08-29 03:52:17,539 INFO L858 garLoopResultBuilder]: For program point L719(lines 719 1475) no Hoare annotation was computed. [2021-08-29 03:52:17,540 INFO L858 garLoopResultBuilder]: For program point L653(lines 653 1475) no Hoare annotation was computed. [2021-08-29 03:52:17,540 INFO L858 garLoopResultBuilder]: For program point L1644-1(lines 64 1660) no Hoare annotation was computed. [2021-08-29 03:52:17,540 INFO L858 garLoopResultBuilder]: For program point L1578-1(lines 64 1660) no Hoare annotation was computed. [2021-08-29 03:52:17,540 INFO L858 garLoopResultBuilder]: For program point L1512-1(lines 64 1660) no Hoare annotation was computed. [2021-08-29 03:52:17,540 INFO L858 garLoopResultBuilder]: For program point L191(lines 191 1475) no Hoare annotation was computed. [2021-08-29 03:52:17,540 INFO L858 garLoopResultBuilder]: For program point L720(lines 720 741) no Hoare annotation was computed. [2021-08-29 03:52:17,540 INFO L858 garLoopResultBuilder]: For program point L720-2(lines 720 741) no Hoare annotation was computed. [2021-08-29 03:52:17,540 INFO L858 garLoopResultBuilder]: For program point L1645(line 1645) no Hoare annotation was computed. [2021-08-29 03:52:17,541 INFO L858 garLoopResultBuilder]: For program point L1579(line 1579) no Hoare annotation was computed. [2021-08-29 03:52:17,541 INFO L858 garLoopResultBuilder]: For program point L1513(line 1513) no Hoare annotation was computed. [2021-08-29 03:52:17,541 INFO L858 garLoopResultBuilder]: For program point L1315(lines 1315 1475) no Hoare annotation was computed. [2021-08-29 03:52:17,541 INFO L858 garLoopResultBuilder]: For program point L258(lines 258 1475) no Hoare annotation was computed. [2021-08-29 03:52:17,541 INFO L858 garLoopResultBuilder]: For program point L1183(lines 1183 1475) no Hoare annotation was computed. [2021-08-29 03:52:17,541 INFO L858 garLoopResultBuilder]: For program point L985(lines 985 1475) no Hoare annotation was computed. [2021-08-29 03:52:17,541 INFO L858 garLoopResultBuilder]: For program point L787(lines 787 1475) no Hoare annotation was computed. [2021-08-29 03:52:17,541 INFO L858 garLoopResultBuilder]: For program point L523(lines 523 1475) no Hoare annotation was computed. [2021-08-29 03:52:17,541 INFO L858 garLoopResultBuilder]: For program point L854(lines 854 1475) no Hoare annotation was computed. [2021-08-29 03:52:17,542 INFO L858 garLoopResultBuilder]: For program point L1647-1(lines 64 1660) no Hoare annotation was computed. [2021-08-29 03:52:17,542 INFO L858 garLoopResultBuilder]: For program point L1581-1(lines 64 1660) no Hoare annotation was computed. [2021-08-29 03:52:17,542 INFO L858 garLoopResultBuilder]: For program point L1515-1(lines 64 1660) no Hoare annotation was computed. [2021-08-29 03:52:17,542 INFO L858 garLoopResultBuilder]: For program point L1648(line 1648) no Hoare annotation was computed. [2021-08-29 03:52:17,542 INFO L858 garLoopResultBuilder]: For program point L1582(line 1582) no Hoare annotation was computed. [2021-08-29 03:52:17,542 INFO L858 garLoopResultBuilder]: For program point L1516(line 1516) no Hoare annotation was computed. [2021-08-29 03:52:17,542 INFO L858 garLoopResultBuilder]: For program point L460(lines 460 1475) no Hoare annotation was computed. [2021-08-29 03:52:17,542 INFO L858 garLoopResultBuilder]: For program point L593(lines 593 1475) no Hoare annotation was computed. [2021-08-29 03:52:17,542 INFO L858 garLoopResultBuilder]: For program point L1650-1(lines 64 1660) no Hoare annotation was computed. [2021-08-29 03:52:17,543 INFO L858 garLoopResultBuilder]: For program point L1584-1(lines 64 1660) no Hoare annotation was computed. [2021-08-29 03:52:17,543 INFO L858 garLoopResultBuilder]: For program point L1518-1(lines 64 1660) no Hoare annotation was computed. [2021-08-29 03:52:17,543 INFO L858 garLoopResultBuilder]: For program point L1452(lines 1452 1475) no Hoare annotation was computed. [2021-08-29 03:52:17,543 INFO L858 garLoopResultBuilder]: For program point L329(lines 329 1475) no Hoare annotation was computed. [2021-08-29 03:52:17,543 INFO L858 garLoopResultBuilder]: For program point L1122(lines 1122 1475) no Hoare annotation was computed. [2021-08-29 03:52:17,543 INFO L858 garLoopResultBuilder]: For program point L65(lines 65 1475) no Hoare annotation was computed. [2021-08-29 03:52:17,543 INFO L858 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-08-29 03:52:17,543 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 1600) no Hoare annotation was computed. [2021-08-29 03:52:17,544 INFO L858 garLoopResultBuilder]: For program point L1651(line 1651) no Hoare annotation was computed. [2021-08-29 03:52:17,544 INFO L858 garLoopResultBuilder]: For program point L1585(line 1585) no Hoare annotation was computed. [2021-08-29 03:52:17,544 INFO L858 garLoopResultBuilder]: For program point L1519(line 1519) no Hoare annotation was computed. [2021-08-29 03:52:17,544 INFO L858 garLoopResultBuilder]: For program point L66(lines 66 81) no Hoare annotation was computed. [2021-08-29 03:52:17,544 INFO L858 garLoopResultBuilder]: For program point L66-2(lines 66 81) no Hoare annotation was computed. [2021-08-29 03:52:17,544 INFO L858 garLoopResultBuilder]: For program point L794(lines 794 1475) no Hoare annotation was computed. [2021-08-29 03:52:17,544 INFO L858 garLoopResultBuilder]: For program point L1653-1(lines 64 1660) no Hoare annotation was computed. [2021-08-29 03:52:17,544 INFO L858 garLoopResultBuilder]: For program point L1587-1(lines 64 1660) no Hoare annotation was computed. [2021-08-29 03:52:17,544 INFO L858 garLoopResultBuilder]: For program point L1521-1(lines 64 1660) no Hoare annotation was computed. [2021-08-29 03:52:17,545 INFO L858 garLoopResultBuilder]: For program point L1323(lines 1323 1475) no Hoare annotation was computed. [2021-08-29 03:52:17,545 INFO L858 garLoopResultBuilder]: For program point L993(lines 993 1475) no Hoare annotation was computed. [2021-08-29 03:52:17,545 INFO L858 garLoopResultBuilder]: For program point L927(lines 927 1475) no Hoare annotation was computed. [2021-08-29 03:52:17,545 INFO L858 garLoopResultBuilder]: For program point L663(lines 663 1475) no Hoare annotation was computed. [2021-08-29 03:52:17,545 INFO L858 garLoopResultBuilder]: For program point L1654(line 1654) no Hoare annotation was computed. [2021-08-29 03:52:17,545 INFO L858 garLoopResultBuilder]: For program point L1588(line 1588) no Hoare annotation was computed. [2021-08-29 03:52:17,545 INFO L858 garLoopResultBuilder]: For program point L1522(line 1522) no Hoare annotation was computed. [2021-08-29 03:52:17,545 INFO L858 garLoopResultBuilder]: For program point L267(lines 267 1475) no Hoare annotation was computed. [2021-08-29 03:52:17,546 INFO L858 garLoopResultBuilder]: For program point L201(lines 201 1475) no Hoare annotation was computed. [2021-08-29 03:52:17,546 INFO L858 garLoopResultBuilder]: For program point L1192(lines 1192 1475) no Hoare annotation was computed. [2021-08-29 03:52:17,546 INFO L858 garLoopResultBuilder]: For program point L928(lines 928 945) no Hoare annotation was computed. [2021-08-29 03:52:17,546 INFO L858 garLoopResultBuilder]: For program point L928-2(lines 928 945) no Hoare annotation was computed. [2021-08-29 03:52:17,546 INFO L858 garLoopResultBuilder]: For program point L532(lines 532 1475) no Hoare annotation was computed. [2021-08-29 03:52:17,546 INFO L858 garLoopResultBuilder]: For program point L1391(lines 1391 1475) no Hoare annotation was computed. [2021-08-29 03:52:17,546 INFO L858 garLoopResultBuilder]: For program point L1259(lines 1259 1475) no Hoare annotation was computed. [2021-08-29 03:52:17,546 INFO L858 garLoopResultBuilder]: For program point L202(lines 202 221) no Hoare annotation was computed. [2021-08-29 03:52:17,546 INFO L858 garLoopResultBuilder]: For program point L136(lines 136 1475) no Hoare annotation was computed. [2021-08-29 03:52:17,547 INFO L858 garLoopResultBuilder]: For program point L202-2(lines 202 221) no Hoare annotation was computed. [2021-08-29 03:52:17,547 INFO L858 garLoopResultBuilder]: For program point L863(lines 863 1475) no Hoare annotation was computed. [2021-08-29 03:52:17,547 INFO L858 garLoopResultBuilder]: For program point L1656-1(lines 1656 1658) no Hoare annotation was computed. [2021-08-29 03:52:17,547 INFO L858 garLoopResultBuilder]: For program point L1590-1(lines 64 1660) no Hoare annotation was computed. [2021-08-29 03:52:17,547 INFO L858 garLoopResultBuilder]: For program point L1524-1(lines 64 1660) no Hoare annotation was computed. [2021-08-29 03:52:17,547 INFO L858 garLoopResultBuilder]: For program point L1392(lines 1392 1410) no Hoare annotation was computed. [2021-08-29 03:52:17,547 INFO L858 garLoopResultBuilder]: For program point L1392-2(lines 1392 1410) no Hoare annotation was computed. [2021-08-29 03:52:17,547 INFO L858 garLoopResultBuilder]: For program point L1260(lines 1260 1282) no Hoare annotation was computed. [2021-08-29 03:52:17,547 INFO L858 garLoopResultBuilder]: For program point L1260-2(lines 1260 1282) no Hoare annotation was computed. [2021-08-29 03:52:17,548 INFO L858 garLoopResultBuilder]: For program point L1657(line 1657) no Hoare annotation was computed. [2021-08-29 03:52:17,548 INFO L858 garLoopResultBuilder]: For program point L1591(line 1591) no Hoare annotation was computed. [2021-08-29 03:52:17,548 INFO L858 garLoopResultBuilder]: For program point L1525(line 1525) no Hoare annotation was computed. [2021-08-29 03:52:17,548 INFO L858 garLoopResultBuilder]: For program point L468(lines 468 1475) no Hoare annotation was computed. [2021-08-29 03:52:17,548 INFO L858 garLoopResultBuilder]: For program point L1130(lines 1130 1475) no Hoare annotation was computed. [2021-08-29 03:52:17,548 INFO L858 garLoopResultBuilder]: For program point L668(lines 668 1475) no Hoare annotation was computed. [2021-08-29 03:52:17,549 INFO L854 garLoopResultBuilder]: At program point L1659(lines 64 1660) the Hoare annotation is: (let ((.cse1 (<= ~a3~0 0)) (.cse8 (= ~a12~0 ~a11~0)) (.cse2 (= ~a11~0 0)) (.cse10 (<= 2 ~a3~0)) (.cse4 (<= ~a26~0 0)) (.cse6 (<= ~a27~0 0)) (.cse5 (<= ~a6~0 0)) (.cse9 (= ~a26~0 1)) (.cse0 (= ~a5~0 1)) (.cse7 (= ~a11~0 1)) (.cse3 (= ~a27~0 1))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse0 .cse1 .cse4 .cse2 .cse5) (and .cse0 .cse4 .cse2 .cse6) (and .cse0 .cse1 .cse7 .cse3) (and .cse0 (<= ~a3~0 1) .cse8 .cse4 .cse7 .cse6) (and .cse9 .cse0 .cse2 .cse3) (and .cse0 .cse4 .cse7 .cse3 .cse5) (and .cse9 .cse0 .cse2 .cse6) (and .cse0 .cse10 .cse4 .cse7 .cse3) (and .cse9 .cse0 .cse7 .cse6) (and .cse0 .cse4 .cse2 .cse3) (and .cse0 .cse10 .cse8 .cse2 .cse3) (and .cse0 .cse10 .cse4 .cse7 .cse6 .cse5) (and .cse9 .cse0 .cse7 .cse3))) [2021-08-29 03:52:17,549 INFO L858 garLoopResultBuilder]: For program point L602(lines 602 1475) no Hoare annotation was computed. [2021-08-29 03:52:17,549 INFO L858 garLoopResultBuilder]: For program point L1593-1(lines 64 1660) no Hoare annotation was computed. [2021-08-29 03:52:17,549 INFO L858 garLoopResultBuilder]: For program point L1527-1(lines 64 1660) no Hoare annotation was computed. [2021-08-29 03:52:17,549 INFO L858 garLoopResultBuilder]: For program point L1594(line 1594) no Hoare annotation was computed. [2021-08-29 03:52:17,549 INFO L858 garLoopResultBuilder]: For program point L1528(line 1528) no Hoare annotation was computed. [2021-08-29 03:52:17,549 INFO L858 garLoopResultBuilder]: For program point L1462(lines 1462 1475) no Hoare annotation was computed. [2021-08-29 03:52:17,549 INFO L858 garLoopResultBuilder]: For program point L339(lines 339 1475) no Hoare annotation was computed. [2021-08-29 03:52:17,550 INFO L858 garLoopResultBuilder]: For program point L1331(lines 1331 1475) no Hoare annotation was computed. [2021-08-29 03:52:17,550 INFO L861 garLoopResultBuilder]: At program point L1662(lines 1662 1679) the Hoare annotation is: true [2021-08-29 03:52:17,550 INFO L858 garLoopResultBuilder]: For program point L539(lines 539 1475) no Hoare annotation was computed. [2021-08-29 03:52:17,550 INFO L858 garLoopResultBuilder]: For program point L1596-1(lines 64 1660) no Hoare annotation was computed. [2021-08-29 03:52:17,550 INFO L858 garLoopResultBuilder]: For program point L1530-1(lines 64 1660) no Hoare annotation was computed. [2021-08-29 03:52:17,550 INFO L858 garLoopResultBuilder]: For program point L407(lines 407 1475) no Hoare annotation was computed. [2021-08-29 03:52:17,550 INFO L858 garLoopResultBuilder]: For program point L275(lines 275 1475) no Hoare annotation was computed. [2021-08-29 03:52:17,550 INFO L858 garLoopResultBuilder]: For program point L1200(lines 1200 1475) no Hoare annotation was computed. [2021-08-29 03:52:17,550 INFO L858 garLoopResultBuilder]: For program point L1597(line 1597) no Hoare annotation was computed. [2021-08-29 03:52:17,551 INFO L858 garLoopResultBuilder]: For program point L1531(line 1531) no Hoare annotation was computed. [2021-08-29 03:52:17,551 INFO L858 garLoopResultBuilder]: For program point L805(lines 805 1475) no Hoare annotation was computed. [2021-08-29 03:52:17,551 INFO L858 garLoopResultBuilder]: For program point L145(lines 145 1475) no Hoare annotation was computed. [2021-08-29 03:52:17,551 INFO L858 garLoopResultBuilder]: For program point L1004(lines 1004 1475) no Hoare annotation was computed. [2021-08-29 03:52:17,551 INFO L858 garLoopResultBuilder]: For program point L1599-1(lines 64 1660) no Hoare annotation was computed. [2021-08-29 03:52:17,551 INFO L858 garLoopResultBuilder]: For program point L1533-1(lines 64 1660) no Hoare annotation was computed. [2021-08-29 03:52:17,551 INFO L858 garLoopResultBuilder]: For program point L1137(lines 1137 1475) no Hoare annotation was computed. [2021-08-29 03:52:17,551 INFO L858 garLoopResultBuilder]: For program point L1071(lines 1071 1475) no Hoare annotation was computed. [2021-08-29 03:52:17,551 INFO L858 garLoopResultBuilder]: For program point L873(lines 873 1475) no Hoare annotation was computed. [2021-08-29 03:52:17,552 INFO L858 garLoopResultBuilder]: For program point L675(lines 675 1475) no Hoare annotation was computed. [2021-08-29 03:52:17,552 INFO L858 garLoopResultBuilder]: For program point L1600(line 1600) no Hoare annotation was computed. [2021-08-29 03:52:17,552 INFO L858 garLoopResultBuilder]: For program point L1534(line 1534) no Hoare annotation was computed. [2021-08-29 03:52:17,552 INFO L858 garLoopResultBuilder]: For program point L477(lines 477 1475) no Hoare annotation was computed. [2021-08-29 03:52:17,552 INFO L858 garLoopResultBuilder]: For program point L1336(lines 1336 1475) no Hoare annotation was computed. [2021-08-29 03:52:17,552 INFO L858 garLoopResultBuilder]: For program point L478(lines 478 488) no Hoare annotation was computed. [2021-08-29 03:52:17,552 INFO L858 garLoopResultBuilder]: For program point L478-2(lines 478 488) no Hoare annotation was computed. [2021-08-29 03:52:17,552 INFO L858 garLoopResultBuilder]: For program point L743(lines 743 1475) no Hoare annotation was computed. [2021-08-29 03:52:17,553 INFO L854 garLoopResultBuilder]: At program point L1668-2(lines 1668 1678) the Hoare annotation is: (let ((.cse1 (<= ~a3~0 0)) (.cse8 (= ~a12~0 ~a11~0)) (.cse2 (= ~a11~0 0)) (.cse10 (<= 2 ~a3~0)) (.cse4 (<= ~a26~0 0)) (.cse6 (<= ~a27~0 0)) (.cse5 (<= ~a6~0 0)) (.cse9 (= ~a26~0 1)) (.cse0 (= ~a5~0 1)) (.cse7 (= ~a11~0 1)) (.cse3 (= ~a27~0 1))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse0 .cse1 .cse4 .cse2 .cse5) (and .cse0 .cse4 .cse2 .cse6) (and .cse0 .cse1 .cse7 .cse3) (and .cse0 (<= ~a3~0 1) .cse8 .cse4 .cse7 .cse6) (and .cse9 .cse0 .cse2 .cse3) (and .cse0 .cse4 .cse7 .cse3 .cse5) (and .cse9 .cse0 .cse2 .cse6) (and .cse0 .cse10 .cse4 .cse7 .cse3) (and .cse9 .cse0 .cse7 .cse6) (and .cse0 .cse4 .cse2 .cse3) (and .cse0 .cse10 .cse8 .cse2 .cse3) (and .cse0 .cse10 .cse4 .cse7 .cse6 .cse5) (and .cse9 .cse0 .cse7 .cse3))) [2021-08-29 03:52:17,553 INFO L858 garLoopResultBuilder]: For program point L1602-1(lines 64 1660) no Hoare annotation was computed. [2021-08-29 03:52:17,553 INFO L858 garLoopResultBuilder]: For program point L1536-1(lines 64 1660) no Hoare annotation was computed. [2021-08-29 03:52:17,553 INFO L858 garLoopResultBuilder]: For program point L1470(lines 1470 1475) no Hoare annotation was computed. [2021-08-29 03:52:17,553 INFO L858 garLoopResultBuilder]: For program point L83(lines 83 1475) no Hoare annotation was computed. [2021-08-29 03:52:17,553 INFO L858 garLoopResultBuilder]: For program point L1603(line 1603) no Hoare annotation was computed. [2021-08-29 03:52:17,553 INFO L858 garLoopResultBuilder]: For program point L1537(line 1537) no Hoare annotation was computed. [2021-08-29 03:52:17,553 INFO L858 garLoopResultBuilder]: For program point L613(lines 613 1475) no Hoare annotation was computed. [2021-08-29 03:52:17,553 INFO L858 garLoopResultBuilder]: For program point L415(lines 415 1475) no Hoare annotation was computed. [2021-08-29 03:52:17,554 INFO L858 garLoopResultBuilder]: For program point L349(lines 349 1475) no Hoare annotation was computed. [2021-08-29 03:52:17,554 INFO L858 garLoopResultBuilder]: For program point L1142(lines 1142 1475) no Hoare annotation was computed. [2021-08-29 03:52:17,554 INFO L858 garLoopResultBuilder]: For program point L1076(lines 1076 1475) no Hoare annotation was computed. [2021-08-29 03:52:17,554 INFO L858 garLoopResultBuilder]: For program point L878(lines 878 1475) no Hoare annotation was computed. [2021-08-29 03:52:17,554 INFO L858 garLoopResultBuilder]: For program point L1605-1(lines 64 1660) no Hoare annotation was computed. [2021-08-29 03:52:17,554 INFO L858 garLoopResultBuilder]: For program point L1539-1(lines 64 1660) no Hoare annotation was computed. [2021-08-29 03:52:17,554 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-08-29 03:52:17,554 INFO L858 garLoopResultBuilder]: For program point L879(lines 879 897) no Hoare annotation was computed. [2021-08-29 03:52:17,554 INFO L858 garLoopResultBuilder]: For program point L879-2(lines 879 897) no Hoare annotation was computed. [2021-08-29 03:52:17,555 INFO L858 garLoopResultBuilder]: For program point L1606(line 1606) no Hoare annotation was computed. [2021-08-29 03:52:17,555 INFO L858 garLoopResultBuilder]: For program point L549(lines 549 1475) no Hoare annotation was computed. [2021-08-29 03:52:17,555 INFO L858 garLoopResultBuilder]: For program point L1540(line 1540) no Hoare annotation was computed. [2021-08-29 03:52:17,555 INFO L858 garLoopResultBuilder]: For program point L1210(lines 1210 1475) no Hoare annotation was computed. [2021-08-29 03:52:17,555 INFO L858 garLoopResultBuilder]: For program point L814(lines 814 1475) no Hoare annotation was computed. [2021-08-29 03:52:17,555 INFO L858 garLoopResultBuilder]: For program point L1673(line 1673) no Hoare annotation was computed. [2021-08-29 03:52:17,555 INFO L858 garLoopResultBuilder]: For program point L286(lines 286 1475) no Hoare annotation was computed. [2021-08-29 03:52:17,555 INFO L858 garLoopResultBuilder]: For program point L1013(lines 1013 1475) no Hoare annotation was computed. [2021-08-29 03:52:17,555 INFO L858 garLoopResultBuilder]: For program point L947(lines 947 1475) no Hoare annotation was computed. [2021-08-29 03:52:17,556 INFO L858 garLoopResultBuilder]: For program point L1608-1(lines 64 1660) no Hoare annotation was computed. [2021-08-29 03:52:17,556 INFO L858 garLoopResultBuilder]: For program point L1542-1(lines 64 1660) no Hoare annotation was computed. [2021-08-29 03:52:17,556 INFO L858 garLoopResultBuilder]: For program point L1476(lines 1476 1478) no Hoare annotation was computed. [2021-08-29 03:52:17,556 INFO L858 garLoopResultBuilder]: For program point L1476-2(lines 64 1660) no Hoare annotation was computed. [2021-08-29 03:52:17,557 INFO L858 garLoopResultBuilder]: For program point L1609(line 1609) no Hoare annotation was computed. [2021-08-29 03:52:17,557 INFO L858 garLoopResultBuilder]: For program point L1543(line 1543) no Hoare annotation was computed. [2021-08-29 03:52:17,557 INFO L858 garLoopResultBuilder]: For program point L1477(line 1477) no Hoare annotation was computed. [2021-08-29 03:52:17,557 INFO L858 garLoopResultBuilder]: For program point L156(lines 156 1475) no Hoare annotation was computed. [2021-08-29 03:52:17,557 INFO L858 garLoopResultBuilder]: For program point L685(lines 685 1475) no Hoare annotation was computed. [2021-08-29 03:52:17,557 INFO L858 garLoopResultBuilder]: For program point L1412(lines 1412 1475) no Hoare annotation was computed. [2021-08-29 03:52:17,558 INFO L858 garLoopResultBuilder]: For program point L1346(lines 1346 1475) no Hoare annotation was computed. [2021-08-29 03:52:17,558 INFO L858 garLoopResultBuilder]: For program point L223(lines 223 1475) no Hoare annotation was computed. [2021-08-29 03:52:17,558 INFO L858 garLoopResultBuilder]: For program point L1611-1(lines 64 1660) no Hoare annotation was computed. [2021-08-29 03:52:17,559 INFO L858 garLoopResultBuilder]: For program point L1545-1(lines 64 1660) no Hoare annotation was computed. [2021-08-29 03:52:17,559 INFO L858 garLoopResultBuilder]: For program point L1479-1(lines 64 1660) no Hoare annotation was computed. [2021-08-29 03:52:17,559 INFO L858 garLoopResultBuilder]: For program point L1413(lines 1413 1431) no Hoare annotation was computed. [2021-08-29 03:52:17,559 INFO L858 garLoopResultBuilder]: For program point L1413-2(lines 1413 1431) no Hoare annotation was computed. [2021-08-29 03:52:17,559 INFO L858 garLoopResultBuilder]: For program point L92(lines 92 1475) no Hoare annotation was computed. [2021-08-29 03:52:17,559 INFO L858 garLoopResultBuilder]: For program point L753(lines 753 1475) no Hoare annotation was computed. [2021-08-29 03:52:17,559 INFO L858 garLoopResultBuilder]: For program point L1612(line 1612) no Hoare annotation was computed. [2021-08-29 03:52:17,559 INFO L858 garLoopResultBuilder]: For program point L1546(line 1546) no Hoare annotation was computed. [2021-08-29 03:52:17,560 INFO L858 garLoopResultBuilder]: For program point L1480(line 1480) no Hoare annotation was computed. [2021-08-29 03:52:17,560 INFO L858 garLoopResultBuilder]: For program point L1084(lines 1084 1475) no Hoare annotation was computed. [2021-08-29 03:52:17,560 INFO L858 garLoopResultBuilder]: For program point L556(lines 556 1475) no Hoare annotation was computed. [2021-08-29 03:52:17,560 INFO L858 garLoopResultBuilder]: For program point L490(lines 490 1475) no Hoare annotation was computed. [2021-08-29 03:52:17,560 INFO L858 garLoopResultBuilder]: For program point L424(lines 424 1475) no Hoare annotation was computed. [2021-08-29 03:52:17,560 INFO L858 garLoopResultBuilder]: For program point L358(lines 358 1475) no Hoare annotation was computed. [2021-08-29 03:52:17,560 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-08-29 03:52:17,560 INFO L858 garLoopResultBuilder]: For program point L1614-1(lines 64 1660) no Hoare annotation was computed. [2021-08-29 03:52:17,560 INFO L858 garLoopResultBuilder]: For program point L1548-1(lines 64 1660) no Hoare annotation was computed. [2021-08-29 03:52:17,561 INFO L858 garLoopResultBuilder]: For program point L1482-1(lines 64 1660) no Hoare annotation was computed. [2021-08-29 03:52:17,561 INFO L858 garLoopResultBuilder]: For program point L1284(lines 1284 1475) no Hoare annotation was computed. [2021-08-29 03:52:17,561 INFO L858 garLoopResultBuilder]: For program point L1152(lines 1152 1475) no Hoare annotation was computed. [2021-08-29 03:52:17,561 INFO L858 garLoopResultBuilder]: For program point L624(lines 624 1475) no Hoare annotation was computed. [2021-08-29 03:52:17,561 INFO L858 garLoopResultBuilder]: For program point L1615(line 1615) no Hoare annotation was computed. [2021-08-29 03:52:17,561 INFO L858 garLoopResultBuilder]: For program point L1549(line 1549) no Hoare annotation was computed. [2021-08-29 03:52:17,561 INFO L858 garLoopResultBuilder]: For program point L1483(line 1483) no Hoare annotation was computed. [2021-08-29 03:52:17,561 INFO L858 garLoopResultBuilder]: For program point L294(lines 294 1475) no Hoare annotation was computed. [2021-08-29 03:52:17,561 INFO L858 garLoopResultBuilder]: For program point L1021(lines 1021 1475) no Hoare annotation was computed. [2021-08-29 03:52:17,562 INFO L858 garLoopResultBuilder]: For program point L823(lines 823 1475) no Hoare annotation was computed. [2021-08-29 03:52:17,562 INFO L858 garLoopResultBuilder]: For program point L1220(lines 1220 1475) no Hoare annotation was computed. [2021-08-29 03:52:17,562 INFO L858 garLoopResultBuilder]: For program point L1617-1(lines 64 1660) no Hoare annotation was computed. [2021-08-29 03:52:17,562 INFO L858 garLoopResultBuilder]: For program point L1551-1(lines 64 1660) no Hoare annotation was computed. [2021-08-29 03:52:17,562 INFO L858 garLoopResultBuilder]: For program point L1485-1(lines 64 1660) no Hoare annotation was computed. [2021-08-29 03:52:17,562 INFO L858 garLoopResultBuilder]: For program point L1221(lines 1221 1234) no Hoare annotation was computed. [2021-08-29 03:52:17,562 INFO L858 garLoopResultBuilder]: For program point L1221-2(lines 1221 1234) no Hoare annotation was computed. [2021-08-29 03:52:17,562 INFO L858 garLoopResultBuilder]: For program point L957(lines 957 1475) no Hoare annotation was computed. [2021-08-29 03:52:17,562 INFO L858 garLoopResultBuilder]: For program point L1618(line 1618) no Hoare annotation was computed. [2021-08-29 03:52:17,563 INFO L858 garLoopResultBuilder]: For program point L1552(line 1552) no Hoare annotation was computed. [2021-08-29 03:52:17,563 INFO L858 garLoopResultBuilder]: For program point L1486(line 1486) no Hoare annotation was computed. [2021-08-29 03:52:17,563 INFO L858 garLoopResultBuilder]: For program point L1354(lines 1354 1475) no Hoare annotation was computed. [2021-08-29 03:52:17,563 INFO L858 garLoopResultBuilder]: For program point L165(lines 165 1475) no Hoare annotation was computed. [2021-08-29 03:52:17,563 INFO L858 garLoopResultBuilder]: For program point L99(lines 99 1475) no Hoare annotation was computed. [2021-08-29 03:52:17,564 INFO L858 garLoopResultBuilder]: For program point L694(lines 694 1475) no Hoare annotation was computed. [2021-08-29 03:52:17,564 INFO L858 garLoopResultBuilder]: For program point L232(lines 232 1475) no Hoare annotation was computed. [2021-08-29 03:52:17,564 INFO L858 garLoopResultBuilder]: For program point L695(lines 695 709) no Hoare annotation was computed. [2021-08-29 03:52:17,564 INFO L858 garLoopResultBuilder]: For program point L695-2(lines 695 709) no Hoare annotation was computed. [2021-08-29 03:52:17,564 INFO L858 garLoopResultBuilder]: For program point L1620-1(lines 64 1660) no Hoare annotation was computed. [2021-08-29 03:52:17,564 INFO L858 garLoopResultBuilder]: For program point L1554-1(lines 64 1660) no Hoare annotation was computed. [2021-08-29 03:52:17,564 INFO L858 garLoopResultBuilder]: For program point L1488-1(lines 64 1660) no Hoare annotation was computed. [2021-08-29 03:52:17,568 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-08-29 03:52:17,597 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.08 03:52:17 BoogieIcfgContainer [2021-08-29 03:52:17,597 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-08-29 03:52:17,597 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-08-29 03:52:17,598 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-08-29 03:52:17,598 INFO L275 PluginConnector]: Witness Printer initialized [2021-08-29 03:52:17,598 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 03:51:56" (3/4) ... [2021-08-29 03:52:17,600 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-08-29 03:52:17,624 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2021-08-29 03:52:17,626 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2021-08-29 03:52:17,627 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-08-29 03:52:17,629 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-08-29 03:52:17,755 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2021-08-29 03:52:17,756 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-08-29 03:52:17,757 INFO L158 Benchmark]: Toolchain (without parser) took 22949.72ms. Allocated memory was 69.2MB in the beginning and 2.7GB in the end (delta: 2.6GB). Free memory was 43.5MB in the beginning and 2.1GB in the end (delta: -2.0GB). Peak memory consumption was 581.9MB. Max. memory is 16.1GB. [2021-08-29 03:52:17,757 INFO L158 Benchmark]: CDTParser took 0.12ms. Allocated memory is still 69.2MB. Free memory was 49.9MB in the beginning and 49.9MB in the end (delta: 31.8kB). There was no memory consumed. Max. memory is 16.1GB. [2021-08-29 03:52:17,758 INFO L158 Benchmark]: CACSL2BoogieTranslator took 609.91ms. Allocated memory was 69.2MB in the beginning and 88.1MB in the end (delta: 18.9MB). Free memory was 43.2MB in the beginning and 43.1MB in the end (delta: 101.2kB). Peak memory consumption was 20.5MB. Max. memory is 16.1GB. [2021-08-29 03:52:17,758 INFO L158 Benchmark]: Boogie Procedure Inliner took 110.44ms. Allocated memory is still 88.1MB. Free memory was 43.1MB in the beginning and 48.8MB in the end (delta: -5.6MB). Peak memory consumption was 9.2MB. Max. memory is 16.1GB. [2021-08-29 03:52:17,758 INFO L158 Benchmark]: Boogie Preprocessor took 82.35ms. Allocated memory is still 88.1MB. Free memory was 48.8MB in the beginning and 38.7MB in the end (delta: 10.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. [2021-08-29 03:52:17,758 INFO L158 Benchmark]: RCFGBuilder took 656.46ms. Allocated memory was 88.1MB in the beginning and 113.2MB in the end (delta: 25.2MB). Free memory was 38.7MB in the beginning and 54.2MB in the end (delta: -15.5MB). Peak memory consumption was 21.7MB. Max. memory is 16.1GB. [2021-08-29 03:52:17,759 INFO L158 Benchmark]: TraceAbstraction took 21325.86ms. Allocated memory was 113.2MB in the beginning and 2.7GB in the end (delta: 2.6GB). Free memory was 53.5MB in the beginning and 2.1GB in the end (delta: -2.1GB). Peak memory consumption was 512.4MB. Max. memory is 16.1GB. [2021-08-29 03:52:17,759 INFO L158 Benchmark]: Witness Printer took 158.48ms. Allocated memory is still 2.7GB. Free memory was 2.1GB in the beginning and 2.1GB in the end (delta: 36.7MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. [2021-08-29 03:52:17,761 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12ms. Allocated memory is still 69.2MB. Free memory was 49.9MB in the beginning and 49.9MB in the end (delta: 31.8kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 609.91ms. Allocated memory was 69.2MB in the beginning and 88.1MB in the end (delta: 18.9MB). Free memory was 43.2MB in the beginning and 43.1MB in the end (delta: 101.2kB). Peak memory consumption was 20.5MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 110.44ms. Allocated memory is still 88.1MB. Free memory was 43.1MB in the beginning and 48.8MB in the end (delta: -5.6MB). Peak memory consumption was 9.2MB. Max. memory is 16.1GB. * Boogie Preprocessor took 82.35ms. Allocated memory is still 88.1MB. Free memory was 48.8MB in the beginning and 38.7MB in the end (delta: 10.1MB). Peak memory consumption was 8.4MB. Max. memory is 16.1GB. * RCFGBuilder took 656.46ms. Allocated memory was 88.1MB in the beginning and 113.2MB in the end (delta: 25.2MB). Free memory was 38.7MB in the beginning and 54.2MB in the end (delta: -15.5MB). Peak memory consumption was 21.7MB. Max. memory is 16.1GB. * TraceAbstraction took 21325.86ms. Allocated memory was 113.2MB in the beginning and 2.7GB in the end (delta: 2.6GB). Free memory was 53.5MB in the beginning and 2.1GB in the end (delta: -2.1GB). Peak memory consumption was 512.4MB. Max. memory is 16.1GB. * Witness Printer took 158.48ms. Allocated memory is still 2.7GB. Free memory was 2.1GB in the beginning and 2.1GB in the end (delta: 36.7MB). Peak memory consumption was 35.7MB. Max. memory is 16.1GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.00ms ErrorAutomatonConstructionTimeTotal, 0.00ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.00ms ErrorAutomatonConstructionTimeAvg, 0.00ms ErrorAutomatonDifferenceTimeAvg, 0.00ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 1600]: 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, 302 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 21245.18ms, OverallIterations: 16, TraceHistogramMax: 5, EmptinessCheckTime: 219.29ms, AutomataDifference: 12052.12ms, DeadEndRemovalTime: 0.00ms, HoareAnnotationTime: 467.64ms, InitialAbstractionConstructionTime: 13.57ms, PartialOrderReductionTime: 0.00ms, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 3234 SdHoareTripleChecker+Valid, 10048.86ms IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 3234 mSDsluCounter, 0 SdHoareTripleChecker+Invalid, 7871.15ms Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 0 IncrementalHoareTripleChecker+Unchecked, 346 mSDsCounter, 2007 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 13482 IncrementalHoareTripleChecker+Invalid, 15489 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 2007 mSolverCounterUnsat, 0 mSDtfsCounter, 13482 mSolverCounterSat, 39.37ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 1551 GetRequests, 1521 SyntacticMatches, 0 SemanticMatches, 30 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 139.57ms Time, 0.00ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=28714occurred in iteration=12, InterpolantAutomatonStates: 49, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.00ms DumpTime, AutomataMinimizationStatistics: 2450.90ms AutomataMinimizationTime, 16 MinimizatonAttempts, 2985 StatesRemovedByMinimization, 14 NontrivialMinimizations, HoareAnnotationStatistics: 0.00ms HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 225 NumberOfFragments, 415 HoareAnnotationTreeSize, 3 FomulaSimplifications, 4668 FormulaSimplificationTreeSizeReduction, 112.59ms HoareSimplificationTime, 3 FomulaSimplificationsInter, 384 FormulaSimplificationTreeSizeReductionInter, 347.04ms HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 333.45ms SsaConstructionTime, 808.45ms SatisfiabilityAnalysisTime, 3450.90ms InterpolantComputationTime, 5495 NumberOfCodeBlocks, 5495 NumberOfCodeBlocksAsserted, 21 NumberOfCheckSat, 5474 ConstructedInterpolants, 0 QuantifiedInterpolants, 13340 SizeOfPredicates, 0 NumberOfNonLiveVariables, 2869 ConjunctsInSsa, 11 ConjunctsInUnsatCore, 21 InterpolantComputations, 16 PerfectInterpolantSequences, 2455/2485 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: 1662]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 64]: Loop Invariant Derived loop invariant: (((((((((((((((a5 == 1 && a3 <= 0) && a11 == 0) && a27 == 1) || ((((a5 == 1 && a3 <= 0) && a26 <= 0) && a11 == 0) && a6 <= 0)) || (((a5 == 1 && a26 <= 0) && a11 == 0) && a27 <= 0)) || (((a5 == 1 && a3 <= 0) && a11 == 1) && a27 == 1)) || (((((a5 == 1 && a3 <= 1) && a12 == a11) && a26 <= 0) && a11 == 1) && a27 <= 0)) || (((a26 == 1 && a5 == 1) && a11 == 0) && a27 == 1)) || ((((a5 == 1 && a26 <= 0) && a11 == 1) && a27 == 1) && a6 <= 0)) || (((a26 == 1 && a5 == 1) && a11 == 0) && a27 <= 0)) || ((((a5 == 1 && 2 <= a3) && a26 <= 0) && a11 == 1) && a27 == 1)) || (((a26 == 1 && a5 == 1) && a11 == 1) && a27 <= 0)) || (((a5 == 1 && a26 <= 0) && a11 == 0) && a27 == 1)) || ((((a5 == 1 && 2 <= a3) && a12 == a11) && a11 == 0) && a27 == 1)) || (((((a5 == 1 && 2 <= a3) && a26 <= 0) && a11 == 1) && a27 <= 0) && a6 <= 0)) || (((a26 == 1 && a5 == 1) && a11 == 1) && a27 == 1) - InvariantResult [Line: 1668]: Loop Invariant Derived loop invariant: (((((((((((((((a5 == 1 && a3 <= 0) && a11 == 0) && a27 == 1) || ((((a5 == 1 && a3 <= 0) && a26 <= 0) && a11 == 0) && a6 <= 0)) || (((a5 == 1 && a26 <= 0) && a11 == 0) && a27 <= 0)) || (((a5 == 1 && a3 <= 0) && a11 == 1) && a27 == 1)) || (((((a5 == 1 && a3 <= 1) && a12 == a11) && a26 <= 0) && a11 == 1) && a27 <= 0)) || (((a26 == 1 && a5 == 1) && a11 == 0) && a27 == 1)) || ((((a5 == 1 && a26 <= 0) && a11 == 1) && a27 == 1) && a6 <= 0)) || (((a26 == 1 && a5 == 1) && a11 == 0) && a27 <= 0)) || ((((a5 == 1 && 2 <= a3) && a26 <= 0) && a11 == 1) && a27 == 1)) || (((a26 == 1 && a5 == 1) && a11 == 1) && a27 <= 0)) || (((a5 == 1 && a26 <= 0) && a11 == 0) && a27 == 1)) || ((((a5 == 1 && 2 <= a3) && a12 == a11) && a11 == 0) && a27 == 1)) || (((((a5 == 1 && 2 <= a3) && a26 <= 0) && a11 == 1) && a27 <= 0) && a6 <= 0)) || (((a26 == 1 && a5 == 1) && a11 == 1) && a27 == 1) RESULT: Ultimate proved your program to be correct! [2021-08-29 03:52:17,800 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...