./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/eca-rers2012/Problem15_label36.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/Problem15_label36.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 5a2ae17fd7bffce896a8dd59eaefdfed6bea269d .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 04:58:50,869 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-08-29 04:58:50,872 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-08-29 04:58:50,911 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-08-29 04:58:50,912 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-08-29 04:58:50,916 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-08-29 04:58:50,917 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-08-29 04:58:50,923 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-08-29 04:58:50,925 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-08-29 04:58:50,930 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-08-29 04:58:50,931 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-08-29 04:58:50,945 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-08-29 04:58:50,945 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-08-29 04:58:50,948 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-08-29 04:58:50,950 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-08-29 04:58:50,953 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-08-29 04:58:50,954 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-08-29 04:58:50,955 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-08-29 04:58:50,957 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-08-29 04:58:50,963 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-08-29 04:58:50,965 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-08-29 04:58:50,966 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-08-29 04:58:50,968 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-08-29 04:58:50,969 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-08-29 04:58:50,975 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-08-29 04:58:50,976 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-08-29 04:58:50,976 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-08-29 04:58:50,978 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-08-29 04:58:50,978 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-08-29 04:58:50,979 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-08-29 04:58:50,980 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-08-29 04:58:50,980 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-08-29 04:58:50,982 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-08-29 04:58:50,983 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-08-29 04:58:50,984 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-08-29 04:58:50,984 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-08-29 04:58:50,985 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-08-29 04:58:50,985 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-08-29 04:58:50,985 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-08-29 04:58:50,987 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-08-29 04:58:50,988 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-08-29 04:58:50,989 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-08-29 04:58:51,025 INFO L113 SettingsManager]: Loading preferences was successful [2021-08-29 04:58:51,026 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-08-29 04:58:51,027 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-08-29 04:58:51,027 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-08-29 04:58:51,029 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-08-29 04:58:51,029 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-08-29 04:58:51,029 INFO L138 SettingsManager]: * Use SBE=true [2021-08-29 04:58:51,030 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-08-29 04:58:51,030 INFO L138 SettingsManager]: * sizeof long=4 [2021-08-29 04:58:51,030 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-08-29 04:58:51,031 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-08-29 04:58:51,031 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-08-29 04:58:51,031 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-08-29 04:58:51,031 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-08-29 04:58:51,032 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-08-29 04:58:51,032 INFO L138 SettingsManager]: * sizeof long double=12 [2021-08-29 04:58:51,032 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-08-29 04:58:51,032 INFO L138 SettingsManager]: * Use constant arrays=true [2021-08-29 04:58:51,032 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-08-29 04:58:51,033 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-08-29 04:58:51,033 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-08-29 04:58:51,033 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-08-29 04:58:51,033 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-29 04:58:51,034 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-08-29 04:58:51,034 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-08-29 04:58:51,034 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-08-29 04:58:51,034 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-08-29 04:58:51,035 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-08-29 04:58:51,035 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-08-29 04:58:51,035 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-08-29 04:58:51,035 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 5a2ae17fd7bffce896a8dd59eaefdfed6bea269d [2021-08-29 04:58:51,387 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-08-29 04:58:51,413 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-08-29 04:58:51,416 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-08-29 04:58:51,417 INFO L271 PluginConnector]: Initializing CDTParser... [2021-08-29 04:58:51,418 INFO L275 PluginConnector]: CDTParser initialized [2021-08-29 04:58:51,420 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem15_label36.c [2021-08-29 04:58:51,486 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/73bebaeaf/a991beb76f2a494993eac648aa9f3a6a/FLAG5d7b49cae [2021-08-29 04:58:52,078 INFO L306 CDTParser]: Found 1 translation units. [2021-08-29 04:58:52,079 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem15_label36.c [2021-08-29 04:58:52,098 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/73bebaeaf/a991beb76f2a494993eac648aa9f3a6a/FLAG5d7b49cae [2021-08-29 04:58:52,471 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/73bebaeaf/a991beb76f2a494993eac648aa9f3a6a [2021-08-29 04:58:52,476 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-08-29 04:58:52,477 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-08-29 04:58:52,478 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-08-29 04:58:52,479 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-08-29 04:58:52,484 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-08-29 04:58:52,487 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.08 04:58:52" (1/1) ... [2021-08-29 04:58:52,488 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@10822fcc and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 04:58:52, skipping insertion in model container [2021-08-29 04:58:52,489 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 29.08 04:58:52" (1/1) ... [2021-08-29 04:58:52,495 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-08-29 04:58:52,560 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-08-29 04:58:52,760 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem15_label36.c[7434,7447] [2021-08-29 04:58:53,150 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-29 04:58:53,158 INFO L203 MainTranslator]: Completed pre-run [2021-08-29 04:58:53,183 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem15_label36.c[7434,7447] [2021-08-29 04:58:53,349 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-29 04:58:53,364 INFO L208 MainTranslator]: Completed translation [2021-08-29 04:58:53,364 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 04:58:53 WrapperNode [2021-08-29 04:58:53,366 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-08-29 04:58:53,367 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-08-29 04:58:53,368 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-08-29 04:58:53,368 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-08-29 04:58:53,374 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 04:58:53" (1/1) ... [2021-08-29 04:58:53,410 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 04:58:53" (1/1) ... [2021-08-29 04:58:53,659 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-08-29 04:58:53,660 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-08-29 04:58:53,660 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-08-29 04:58:53,660 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-08-29 04:58:53,683 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 04:58:53" (1/1) ... [2021-08-29 04:58:53,683 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 04:58:53" (1/1) ... [2021-08-29 04:58:53,703 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 04:58:53" (1/1) ... [2021-08-29 04:58:53,703 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 04:58:53" (1/1) ... [2021-08-29 04:58:53,812 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 04:58:53" (1/1) ... [2021-08-29 04:58:53,833 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 04:58:53" (1/1) ... [2021-08-29 04:58:53,863 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 04:58:53" (1/1) ... [2021-08-29 04:58:53,919 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-08-29 04:58:53,919 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-08-29 04:58:53,920 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-08-29 04:58:53,920 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-08-29 04:58:53,920 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 04:58:53" (1/1) ... [2021-08-29 04:58:53,942 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-29 04:58:53,950 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-29 04:58:53,974 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 04:58:53,993 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 04:58:54,020 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-08-29 04:58:54,021 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-08-29 04:58:54,022 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-08-29 04:58:54,022 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-08-29 04:58:55,052 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-08-29 04:58:55,053 INFO L299 CfgBuilder]: Removed 9 assume(true) statements. [2021-08-29 04:58:55,056 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 04:58:55 BoogieIcfgContainer [2021-08-29 04:58:55,056 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-08-29 04:58:55,058 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-08-29 04:58:55,058 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-08-29 04:58:55,060 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-08-29 04:58:55,061 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 29.08 04:58:52" (1/3) ... [2021-08-29 04:58:55,061 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@69bd6292 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.08 04:58:55, skipping insertion in model container [2021-08-29 04:58:55,061 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 29.08 04:58:53" (2/3) ... [2021-08-29 04:58:55,062 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@69bd6292 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 29.08 04:58:55, skipping insertion in model container [2021-08-29 04:58:55,062 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 04:58:55" (3/3) ... [2021-08-29 04:58:55,063 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem15_label36.c [2021-08-29 04:58:55,068 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-08-29 04:58:55,069 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-08-29 04:58:55,129 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-08-29 04:58:55,138 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 04:58:55,139 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-08-29 04:58:55,167 INFO L276 IsEmpty]: Start isEmpty. Operand has 424 states, 422 states have (on average 1.7772511848341233) internal successors, (750), 423 states have internal predecessors, (750), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 04:58:55,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2021-08-29 04:58:55,181 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 04:58:55,182 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] [2021-08-29 04:58:55,183 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-29 04:58:55,189 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 04:58:55,190 INFO L82 PathProgramCache]: Analyzing trace with hash 1818267785, now seen corresponding path program 1 times [2021-08-29 04:58:55,202 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 04:58:55,203 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2083778472] [2021-08-29 04:58:55,203 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 04:58:55,204 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 04:58:55,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 04:58:55,535 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 04:58:55,536 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 04:58:55,537 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2083778472] [2021-08-29 04:58:55,538 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2083778472] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-29 04:58:55,538 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-29 04:58:55,538 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-08-29 04:58:55,540 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [31274450] [2021-08-29 04:58:55,545 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-29 04:58:55,545 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 04:58:55,576 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-29 04:58:55,578 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-29 04:58:55,580 INFO L87 Difference]: Start difference. First operand has 424 states, 422 states have (on average 1.7772511848341233) internal successors, (750), 423 states have internal predecessors, (750), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 20.333333333333332) internal successors, (61), 2 states have internal predecessors, (61), 0 states have call successors, (0), 0 states 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 04:58:57,905 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 04:58:57,906 INFO L93 Difference]: Finished difference Result 1155 states and 2106 transitions. [2021-08-29 04:58:57,908 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-29 04:58:57,909 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 20.333333333333332) internal successors, (61), 2 states have internal predecessors, (61), 0 states have call successors, (0), 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 61 [2021-08-29 04:58:57,909 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 04:58:57,924 INFO L225 Difference]: With dead ends: 1155 [2021-08-29 04:58:57,924 INFO L226 Difference]: Without dead ends: 667 [2021-08-29 04:58:57,929 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 9.10ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-29 04:58:57,932 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 283 mSDsluCounter, 42 mSDsCounter, 0 mSdLazyCounter, 1270 mSolverCounterSat, 345 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1851.51ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 283 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 1615 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 11.91ms SdHoareTripleChecker+Time, 345 IncrementalHoareTripleChecker+Valid, 1270 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2212.40ms IncrementalHoareTripleChecker+Time [2021-08-29 04:58:57,933 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [283 Valid, 0 Invalid, 1615 Unknown, 0 Unchecked, 11.91ms Time], IncrementalHoareTripleChecker [345 Valid, 1270 Invalid, 0 Unknown, 0 Unchecked, 2212.40ms Time] [2021-08-29 04:58:57,948 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 667 states. [2021-08-29 04:58:57,992 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 667 to 665. [2021-08-29 04:58:57,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 665 states, 664 states have (on average 1.4789156626506024) internal successors, (982), 664 states have internal predecessors, (982), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 04:58:57,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 665 states to 665 states and 982 transitions. [2021-08-29 04:58:57,998 INFO L78 Accepts]: Start accepts. Automaton has 665 states and 982 transitions. Word has length 61 [2021-08-29 04:58:57,998 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 04:58:57,999 INFO L470 AbstractCegarLoop]: Abstraction has 665 states and 982 transitions. [2021-08-29 04:58:57,999 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 20.333333333333332) internal successors, (61), 2 states have internal predecessors, (61), 0 states have call successors, (0), 0 states 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 04:58:57,999 INFO L276 IsEmpty]: Start isEmpty. Operand 665 states and 982 transitions. [2021-08-29 04:58:58,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2021-08-29 04:58:58,003 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 04:58:58,004 INFO L513 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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 04:58:58,004 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-08-29 04:58:58,004 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-29 04:58:58,005 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 04:58:58,005 INFO L82 PathProgramCache]: Analyzing trace with hash -12161809, now seen corresponding path program 1 times [2021-08-29 04:58:58,005 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 04:58:58,006 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1443750095] [2021-08-29 04:58:58,006 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 04:58:58,006 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 04:58:58,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 04:58:58,128 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 58 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-29 04:58:58,129 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 04:58:58,129 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1443750095] [2021-08-29 04:58:58,129 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1443750095] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-29 04:58:58,129 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-29 04:58:58,129 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-08-29 04:58:58,130 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1677298615] [2021-08-29 04:58:58,131 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-29 04:58:58,131 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 04:58:58,131 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-29 04:58:58,132 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-29 04:58:58,132 INFO L87 Difference]: Start difference. First operand 665 states and 982 transitions. Second operand has 3 states, 3 states have (on average 45.333333333333336) internal successors, (136), 2 states have internal predecessors, (136), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 04:59:00,268 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 04:59:00,269 INFO L93 Difference]: Finished difference Result 1955 states and 2894 transitions. [2021-08-29 04:59:00,269 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-29 04:59:00,269 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 45.333333333333336) internal successors, (136), 2 states have internal predecessors, (136), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 136 [2021-08-29 04:59:00,270 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 04:59:00,275 INFO L225 Difference]: With dead ends: 1955 [2021-08-29 04:59:00,275 INFO L226 Difference]: Without dead ends: 1292 [2021-08-29 04:59:00,289 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.86ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-29 04:59:00,291 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 258 mSDsluCounter, 38 mSDsCounter, 0 mSdLazyCounter, 1367 mSolverCounterSat, 209 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1778.79ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 258 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 1576 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 6.02ms SdHoareTripleChecker+Time, 209 IncrementalHoareTripleChecker+Valid, 1367 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2075.38ms IncrementalHoareTripleChecker+Time [2021-08-29 04:59:00,291 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [258 Valid, 0 Invalid, 1576 Unknown, 0 Unchecked, 6.02ms Time], IncrementalHoareTripleChecker [209 Valid, 1367 Invalid, 0 Unknown, 0 Unchecked, 2075.38ms Time] [2021-08-29 04:59:00,296 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1292 states. [2021-08-29 04:59:00,322 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1292 to 1282. [2021-08-29 04:59:00,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1282 states, 1281 states have (on average 1.3989071038251366) internal successors, (1792), 1281 states have internal predecessors, (1792), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 04:59:00,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1282 states to 1282 states and 1792 transitions. [2021-08-29 04:59:00,330 INFO L78 Accepts]: Start accepts. Automaton has 1282 states and 1792 transitions. Word has length 136 [2021-08-29 04:59:00,330 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 04:59:00,330 INFO L470 AbstractCegarLoop]: Abstraction has 1282 states and 1792 transitions. [2021-08-29 04:59:00,331 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 45.333333333333336) internal successors, (136), 2 states have internal predecessors, (136), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 04:59:00,331 INFO L276 IsEmpty]: Start isEmpty. Operand 1282 states and 1792 transitions. [2021-08-29 04:59:00,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2021-08-29 04:59:00,336 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 04:59:00,336 INFO L513 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 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 04:59:00,336 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-08-29 04:59:00,337 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-29 04:59:00,337 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 04:59:00,337 INFO L82 PathProgramCache]: Analyzing trace with hash 527052153, now seen corresponding path program 1 times [2021-08-29 04:59:00,338 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 04:59:00,338 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [887777342] [2021-08-29 04:59:00,338 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 04:59:00,338 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 04:59:00,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 04:59:00,454 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 58 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-29 04:59:00,455 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 04:59:00,456 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [887777342] [2021-08-29 04:59:00,457 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [887777342] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-29 04:59:00,457 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-29 04:59:00,457 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-08-29 04:59:00,458 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2018451183] [2021-08-29 04:59:00,459 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-29 04:59:00,460 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 04:59:00,461 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-29 04:59:00,461 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-29 04:59:00,462 INFO L87 Difference]: Start difference. First operand 1282 states and 1792 transitions. Second operand has 3 states, 3 states have (on average 46.666666666666664) internal successors, (140), 2 states have internal predecessors, (140), 0 states have call successors, (0), 0 states 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 04:59:02,375 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 04:59:02,375 INFO L93 Difference]: Finished difference Result 3764 states and 5263 transitions. [2021-08-29 04:59:02,385 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-29 04:59:02,385 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 46.666666666666664) internal successors, (140), 2 states have internal predecessors, (140), 0 states have call successors, (0), 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 140 [2021-08-29 04:59:02,386 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 04:59:02,395 INFO L225 Difference]: With dead ends: 3764 [2021-08-29 04:59:02,395 INFO L226 Difference]: Without dead ends: 2484 [2021-08-29 04:59:02,398 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.56ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-29 04:59:02,399 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 236 mSDsluCounter, 46 mSDsCounter, 0 mSdLazyCounter, 1321 mSolverCounterSat, 195 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1537.55ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 236 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 1516 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 5.01ms SdHoareTripleChecker+Time, 195 IncrementalHoareTripleChecker+Valid, 1321 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1852.48ms IncrementalHoareTripleChecker+Time [2021-08-29 04:59:02,399 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [236 Valid, 0 Invalid, 1516 Unknown, 0 Unchecked, 5.01ms Time], IncrementalHoareTripleChecker [195 Valid, 1321 Invalid, 0 Unknown, 0 Unchecked, 1852.48ms Time] [2021-08-29 04:59:02,402 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2484 states. [2021-08-29 04:59:02,434 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2484 to 2182. [2021-08-29 04:59:02,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 2182 states, 2181 states have (on average 1.2815222375057314) internal successors, (2795), 2181 states have internal predecessors, (2795), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 04:59:02,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2182 states to 2182 states and 2795 transitions. [2021-08-29 04:59:02,444 INFO L78 Accepts]: Start accepts. Automaton has 2182 states and 2795 transitions. Word has length 140 [2021-08-29 04:59:02,444 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 04:59:02,445 INFO L470 AbstractCegarLoop]: Abstraction has 2182 states and 2795 transitions. [2021-08-29 04:59:02,445 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 46.666666666666664) internal successors, (140), 2 states have internal predecessors, (140), 0 states have call successors, (0), 0 states 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 04:59:02,445 INFO L276 IsEmpty]: Start isEmpty. Operand 2182 states and 2795 transitions. [2021-08-29 04:59:02,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2021-08-29 04:59:02,452 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 04:59:02,453 INFO L513 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-29 04:59:02,453 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-08-29 04:59:02,454 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-29 04:59:02,455 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 04:59:02,456 INFO L82 PathProgramCache]: Analyzing trace with hash 1978174500, now seen corresponding path program 1 times [2021-08-29 04:59:02,456 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 04:59:02,456 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1746590416] [2021-08-29 04:59:02,457 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 04:59:02,457 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 04:59:02,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 04:59:02,626 INFO L134 CoverageAnalysis]: Checked inductivity of 195 backedges. 117 proven. 0 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2021-08-29 04:59:02,627 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 04:59:02,627 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1746590416] [2021-08-29 04:59:02,627 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1746590416] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-29 04:59:02,627 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-29 04:59:02,627 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-08-29 04:59:02,628 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [76377789] [2021-08-29 04:59:02,630 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-29 04:59:02,630 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 04:59:02,630 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-29 04:59:02,631 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-29 04:59:02,632 INFO L87 Difference]: Start difference. First operand 2182 states and 2795 transitions. Second operand has 3 states, 3 states have (on average 51.333333333333336) internal successors, (154), 2 states have internal predecessors, (154), 0 states have call successors, (0), 0 states 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 04:59:04,427 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 04:59:04,427 INFO L93 Difference]: Finished difference Result 6166 states and 7961 transitions. [2021-08-29 04:59:04,427 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-29 04:59:04,428 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 51.333333333333336) internal successors, (154), 2 states have internal predecessors, (154), 0 states have call successors, (0), 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 231 [2021-08-29 04:59:04,428 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 04:59:04,441 INFO L225 Difference]: With dead ends: 6166 [2021-08-29 04:59:04,442 INFO L226 Difference]: Without dead ends: 3986 [2021-08-29 04:59:04,446 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 04:59:04,447 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 257 mSDsluCounter, 67 mSDsCounter, 0 mSdLazyCounter, 1130 mSolverCounterSat, 298 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1479.68ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 257 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 1428 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 3.21ms SdHoareTripleChecker+Time, 298 IncrementalHoareTripleChecker+Valid, 1130 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1722.47ms IncrementalHoareTripleChecker+Time [2021-08-29 04:59:04,447 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [257 Valid, 0 Invalid, 1428 Unknown, 0 Unchecked, 3.21ms Time], IncrementalHoareTripleChecker [298 Valid, 1130 Invalid, 0 Unknown, 0 Unchecked, 1722.47ms Time] [2021-08-29 04:59:04,451 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3986 states. [2021-08-29 04:59:04,507 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3986 to 3682. [2021-08-29 04:59:04,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3682 states, 3681 states have (on average 1.2200488997555012) internal successors, (4491), 3681 states have internal predecessors, (4491), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 04:59:04,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3682 states to 3682 states and 4491 transitions. [2021-08-29 04:59:04,521 INFO L78 Accepts]: Start accepts. Automaton has 3682 states and 4491 transitions. Word has length 231 [2021-08-29 04:59:04,522 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 04:59:04,522 INFO L470 AbstractCegarLoop]: Abstraction has 3682 states and 4491 transitions. [2021-08-29 04:59:04,523 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 51.333333333333336) internal successors, (154), 2 states have internal predecessors, (154), 0 states have call successors, (0), 0 states 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 04:59:04,523 INFO L276 IsEmpty]: Start isEmpty. Operand 3682 states and 4491 transitions. [2021-08-29 04:59:04,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 334 [2021-08-29 04:59:04,528 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 04:59:04,528 INFO L513 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-29 04:59:04,528 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-08-29 04:59:04,529 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-29 04:59:04,530 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 04:59:04,531 INFO L82 PathProgramCache]: Analyzing trace with hash 1603270012, now seen corresponding path program 1 times [2021-08-29 04:59:04,531 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 04:59:04,531 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [659714000] [2021-08-29 04:59:04,531 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 04:59:04,532 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 04:59:04,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 04:59:04,735 INFO L134 CoverageAnalysis]: Checked inductivity of 192 backedges. 133 proven. 0 refuted. 0 times theorem prover too weak. 59 trivial. 0 not checked. [2021-08-29 04:59:04,735 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 04:59:04,736 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [659714000] [2021-08-29 04:59:04,736 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [659714000] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-29 04:59:04,736 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-29 04:59:04,736 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-08-29 04:59:04,736 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [138126005] [2021-08-29 04:59:04,737 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-29 04:59:04,737 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 04:59:04,738 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-29 04:59:04,739 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-29 04:59:04,740 INFO L87 Difference]: Start difference. First operand 3682 states and 4491 transitions. Second operand has 3 states, 3 states have (on average 91.66666666666667) internal successors, (275), 2 states have internal predecessors, (275), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 04:59:06,604 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 04:59:06,604 INFO L93 Difference]: Finished difference Result 7661 states and 9291 transitions. [2021-08-29 04:59:06,605 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-29 04:59:06,605 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 91.66666666666667) internal successors, (275), 2 states have internal predecessors, (275), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 333 [2021-08-29 04:59:06,606 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 04:59:06,620 INFO L225 Difference]: With dead ends: 7661 [2021-08-29 04:59:06,620 INFO L226 Difference]: Without dead ends: 3981 [2021-08-29 04:59:06,626 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 5.47ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-29 04:59:06,627 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 105 mSDsluCounter, 35 mSDsCounter, 0 mSdLazyCounter, 1247 mSolverCounterSat, 5 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1580.16ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 105 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 1252 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 3.10ms SdHoareTripleChecker+Time, 5 IncrementalHoareTripleChecker+Valid, 1247 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1803.98ms IncrementalHoareTripleChecker+Time [2021-08-29 04:59:06,628 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [105 Valid, 0 Invalid, 1252 Unknown, 0 Unchecked, 3.10ms Time], IncrementalHoareTripleChecker [5 Valid, 1247 Invalid, 0 Unknown, 0 Unchecked, 1803.98ms Time] [2021-08-29 04:59:06,632 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3981 states. [2021-08-29 04:59:06,693 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3981 to 3981. [2021-08-29 04:59:06,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3981 states, 3980 states have (on average 1.2050251256281408) internal successors, (4796), 3980 states have internal predecessors, (4796), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 04:59:06,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3981 states to 3981 states and 4796 transitions. [2021-08-29 04:59:06,708 INFO L78 Accepts]: Start accepts. Automaton has 3981 states and 4796 transitions. Word has length 333 [2021-08-29 04:59:06,708 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 04:59:06,709 INFO L470 AbstractCegarLoop]: Abstraction has 3981 states and 4796 transitions. [2021-08-29 04:59:06,709 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 91.66666666666667) internal successors, (275), 2 states have internal predecessors, (275), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 04:59:06,709 INFO L276 IsEmpty]: Start isEmpty. Operand 3981 states and 4796 transitions. [2021-08-29 04:59:06,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 349 [2021-08-29 04:59:06,714 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 04:59:06,715 INFO L513 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-29 04:59:06,715 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-08-29 04:59:06,715 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-29 04:59:06,716 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 04:59:06,716 INFO L82 PathProgramCache]: Analyzing trace with hash -985073555, now seen corresponding path program 1 times [2021-08-29 04:59:06,717 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 04:59:06,717 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [40578167] [2021-08-29 04:59:06,717 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 04:59:06,718 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 04:59:06,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 04:59:06,882 INFO L134 CoverageAnalysis]: Checked inductivity of 207 backedges. 117 proven. 0 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2021-08-29 04:59:06,882 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 04:59:06,883 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [40578167] [2021-08-29 04:59:06,883 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [40578167] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-29 04:59:06,883 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-29 04:59:06,883 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-29 04:59:06,883 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1908483326] [2021-08-29 04:59:06,884 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-29 04:59:06,884 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 04:59:06,890 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-29 04:59:06,890 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-29 04:59:06,891 INFO L87 Difference]: Start difference. First operand 3981 states and 4796 transitions. Second operand has 3 states, 3 states have (on average 86.33333333333333) internal successors, (259), 3 states have internal predecessors, (259), 0 states have call successors, (0), 0 states 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 04:59:08,878 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 04:59:08,878 INFO L93 Difference]: Finished difference Result 9465 states and 11674 transitions. [2021-08-29 04:59:08,879 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-29 04:59:08,879 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 86.33333333333333) internal successors, (259), 3 states have internal predecessors, (259), 0 states have call successors, (0), 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 348 [2021-08-29 04:59:08,879 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 04:59:08,898 INFO L225 Difference]: With dead ends: 9465 [2021-08-29 04:59:08,899 INFO L226 Difference]: Without dead ends: 5785 [2021-08-29 04:59:08,904 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.60ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-29 04:59:08,905 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 255 mSDsluCounter, 39 mSDsCounter, 0 mSdLazyCounter, 1586 mSolverCounterSat, 237 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1645.63ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 255 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 1823 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 2.91ms SdHoareTripleChecker+Time, 237 IncrementalHoareTripleChecker+Valid, 1586 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1916.15ms IncrementalHoareTripleChecker+Time [2021-08-29 04:59:08,906 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [255 Valid, 0 Invalid, 1823 Unknown, 0 Unchecked, 2.91ms Time], IncrementalHoareTripleChecker [237 Valid, 1586 Invalid, 0 Unknown, 0 Unchecked, 1916.15ms Time] [2021-08-29 04:59:08,915 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5785 states. [2021-08-29 04:59:09,009 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5785 to 5783. [2021-08-29 04:59:09,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5783 states, 5782 states have (on average 1.1675890695261155) internal successors, (6751), 5782 states have internal predecessors, (6751), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 04:59:09,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5783 states to 5783 states and 6751 transitions. [2021-08-29 04:59:09,028 INFO L78 Accepts]: Start accepts. Automaton has 5783 states and 6751 transitions. Word has length 348 [2021-08-29 04:59:09,029 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 04:59:09,029 INFO L470 AbstractCegarLoop]: Abstraction has 5783 states and 6751 transitions. [2021-08-29 04:59:09,030 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 86.33333333333333) internal successors, (259), 3 states have internal predecessors, (259), 0 states have call successors, (0), 0 states 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 04:59:09,030 INFO L276 IsEmpty]: Start isEmpty. Operand 5783 states and 6751 transitions. [2021-08-29 04:59:09,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 408 [2021-08-29 04:59:09,036 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 04:59:09,037 INFO L513 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-29 04:59:09,037 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-08-29 04:59:09,037 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-29 04:59:09,038 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 04:59:09,038 INFO L82 PathProgramCache]: Analyzing trace with hash -988421462, now seen corresponding path program 1 times [2021-08-29 04:59:09,038 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 04:59:09,038 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1694375148] [2021-08-29 04:59:09,039 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 04:59:09,039 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 04:59:09,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 04:59:09,177 INFO L134 CoverageAnalysis]: Checked inductivity of 192 backedges. 117 proven. 0 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2021-08-29 04:59:09,177 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 04:59:09,177 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1694375148] [2021-08-29 04:59:09,178 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1694375148] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-29 04:59:09,178 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-29 04:59:09,178 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-29 04:59:09,178 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [605140859] [2021-08-29 04:59:09,179 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-29 04:59:09,179 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 04:59:09,179 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-29 04:59:09,179 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-29 04:59:09,180 INFO L87 Difference]: Start difference. First operand 5783 states and 6751 transitions. Second operand has 3 states, 3 states have (on average 111.0) internal successors, (333), 3 states have internal predecessors, (333), 0 states have call successors, (0), 0 states 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 04:59:11,117 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 04:59:11,118 INFO L93 Difference]: Finished difference Result 13364 states and 15910 transitions. [2021-08-29 04:59:11,121 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-29 04:59:11,122 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 111.0) internal successors, (333), 3 states have internal predecessors, (333), 0 states have call successors, (0), 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 407 [2021-08-29 04:59:11,123 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 04:59:11,147 INFO L225 Difference]: With dead ends: 13364 [2021-08-29 04:59:11,148 INFO L226 Difference]: Without dead ends: 7882 [2021-08-29 04:59:11,156 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.51ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-29 04:59:11,157 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 266 mSDsluCounter, 37 mSDsCounter, 0 mSdLazyCounter, 1530 mSolverCounterSat, 226 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1605.77ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 266 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 1756 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 2.21ms SdHoareTripleChecker+Time, 226 IncrementalHoareTripleChecker+Valid, 1530 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1866.51ms IncrementalHoareTripleChecker+Time [2021-08-29 04:59:11,157 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [266 Valid, 0 Invalid, 1756 Unknown, 0 Unchecked, 2.21ms Time], IncrementalHoareTripleChecker [226 Valid, 1530 Invalid, 0 Unknown, 0 Unchecked, 1866.51ms Time] [2021-08-29 04:59:11,164 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7882 states. [2021-08-29 04:59:11,243 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7882 to 7284. [2021-08-29 04:59:11,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7284 states, 7283 states have (on average 1.148702457778388) internal successors, (8366), 7283 states have internal predecessors, (8366), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 04:59:11,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7284 states to 7284 states and 8366 transitions. [2021-08-29 04:59:11,265 INFO L78 Accepts]: Start accepts. Automaton has 7284 states and 8366 transitions. Word has length 407 [2021-08-29 04:59:11,266 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 04:59:11,267 INFO L470 AbstractCegarLoop]: Abstraction has 7284 states and 8366 transitions. [2021-08-29 04:59:11,267 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 111.0) internal successors, (333), 3 states have internal predecessors, (333), 0 states have call successors, (0), 0 states 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 04:59:11,267 INFO L276 IsEmpty]: Start isEmpty. Operand 7284 states and 8366 transitions. [2021-08-29 04:59:11,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 423 [2021-08-29 04:59:11,275 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 04:59:11,275 INFO L513 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-29 04:59:11,275 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6 [2021-08-29 04:59:11,275 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-29 04:59:11,276 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 04:59:11,277 INFO L82 PathProgramCache]: Analyzing trace with hash -1305181093, now seen corresponding path program 1 times [2021-08-29 04:59:11,277 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 04:59:11,277 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [640461958] [2021-08-29 04:59:11,280 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 04:59:11,280 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 04:59:11,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 04:59:11,494 INFO L134 CoverageAnalysis]: Checked inductivity of 207 backedges. 117 proven. 0 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2021-08-29 04:59:11,494 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 04:59:11,494 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [640461958] [2021-08-29 04:59:11,494 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [640461958] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-29 04:59:11,495 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-29 04:59:11,495 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-29 04:59:11,495 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1471513238] [2021-08-29 04:59:11,496 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-29 04:59:11,496 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 04:59:11,496 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-29 04:59:11,496 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-29 04:59:11,497 INFO L87 Difference]: Start difference. First operand 7284 states and 8366 transitions. Second operand has 3 states, 3 states have (on average 111.0) internal successors, (333), 3 states have internal predecessors, (333), 0 states have call successors, (0), 0 states 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 04:59:13,283 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 04:59:13,283 INFO L93 Difference]: Finished difference Result 16069 states and 18814 transitions. [2021-08-29 04:59:13,283 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-29 04:59:13,283 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 111.0) internal successors, (333), 3 states have internal predecessors, (333), 0 states have call successors, (0), 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 422 [2021-08-29 04:59:13,284 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 04:59:13,308 INFO L225 Difference]: With dead ends: 16069 [2021-08-29 04:59:13,308 INFO L226 Difference]: Without dead ends: 9086 [2021-08-29 04:59:13,317 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.62ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-29 04:59:13,318 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 268 mSDsluCounter, 38 mSDsCounter, 0 mSdLazyCounter, 1542 mSolverCounterSat, 217 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1417.68ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 268 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 1759 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 2.64ms SdHoareTripleChecker+Time, 217 IncrementalHoareTripleChecker+Valid, 1542 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1698.56ms IncrementalHoareTripleChecker+Time [2021-08-29 04:59:13,319 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [268 Valid, 0 Invalid, 1759 Unknown, 0 Unchecked, 2.64ms Time], IncrementalHoareTripleChecker [217 Valid, 1542 Invalid, 0 Unknown, 0 Unchecked, 1698.56ms Time] [2021-08-29 04:59:13,328 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9086 states. [2021-08-29 04:59:13,421 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9086 to 8481. [2021-08-29 04:59:13,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 8481 states, 8480 states have (on average 1.1379716981132075) internal successors, (9650), 8480 states have internal predecessors, (9650), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 04:59:13,456 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 8481 states to 8481 states and 9650 transitions. [2021-08-29 04:59:13,457 INFO L78 Accepts]: Start accepts. Automaton has 8481 states and 9650 transitions. Word has length 422 [2021-08-29 04:59:13,458 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 04:59:13,458 INFO L470 AbstractCegarLoop]: Abstraction has 8481 states and 9650 transitions. [2021-08-29 04:59:13,459 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 111.0) internal successors, (333), 3 states have internal predecessors, (333), 0 states have call successors, (0), 0 states 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 04:59:13,459 INFO L276 IsEmpty]: Start isEmpty. Operand 8481 states and 9650 transitions. [2021-08-29 04:59:13,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 513 [2021-08-29 04:59:13,464 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 04:59:13,466 INFO L513 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-29 04:59:13,466 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable7 [2021-08-29 04:59:13,466 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-29 04:59:13,467 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 04:59:13,467 INFO L82 PathProgramCache]: Analyzing trace with hash -178061979, now seen corresponding path program 1 times [2021-08-29 04:59:13,467 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 04:59:13,467 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [732586956] [2021-08-29 04:59:13,468 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 04:59:13,469 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 04:59:13,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 04:59:13,631 INFO L134 CoverageAnalysis]: Checked inductivity of 520 backedges. 371 proven. 0 refuted. 0 times theorem prover too weak. 149 trivial. 0 not checked. [2021-08-29 04:59:13,631 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 04:59:13,631 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [732586956] [2021-08-29 04:59:13,632 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [732586956] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-29 04:59:13,632 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-29 04:59:13,632 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-29 04:59:13,632 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1836883017] [2021-08-29 04:59:13,633 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-29 04:59:13,633 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 04:59:13,633 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-29 04:59:13,634 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-29 04:59:13,634 INFO L87 Difference]: Start difference. First operand 8481 states and 9650 transitions. Second operand has 3 states, 3 states have (on average 121.66666666666667) internal successors, (365), 3 states have internal predecessors, (365), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 04:59:15,863 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 04:59:15,863 INFO L93 Difference]: Finished difference Result 19651 states and 22543 transitions. [2021-08-29 04:59:15,864 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-29 04:59:15,864 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 121.66666666666667) internal successors, (365), 3 states have internal predecessors, (365), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 512 [2021-08-29 04:59:15,865 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 04:59:15,885 INFO L225 Difference]: With dead ends: 19651 [2021-08-29 04:59:15,885 INFO L226 Difference]: Without dead ends: 11471 [2021-08-29 04:59:15,894 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.49ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-29 04:59:15,895 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 148 mSDsluCounter, 42 mSDsCounter, 0 mSdLazyCounter, 1220 mSolverCounterSat, 206 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1883.79ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 148 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 1426 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 2.29ms SdHoareTripleChecker+Time, 206 IncrementalHoareTripleChecker+Valid, 1220 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 2145.67ms IncrementalHoareTripleChecker+Time [2021-08-29 04:59:15,896 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [148 Valid, 0 Invalid, 1426 Unknown, 0 Unchecked, 2.29ms Time], IncrementalHoareTripleChecker [206 Valid, 1220 Invalid, 0 Unknown, 0 Unchecked, 2145.67ms Time] [2021-08-29 04:59:15,907 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 11471 states. [2021-08-29 04:59:16,002 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 11471 to 7578. [2021-08-29 04:59:16,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 7578 states, 7577 states have (on average 1.1486076283489508) internal successors, (8703), 7577 states have internal predecessors, (8703), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 04:59:16,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 7578 states to 7578 states and 8703 transitions. [2021-08-29 04:59:16,021 INFO L78 Accepts]: Start accepts. Automaton has 7578 states and 8703 transitions. Word has length 512 [2021-08-29 04:59:16,022 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 04:59:16,022 INFO L470 AbstractCegarLoop]: Abstraction has 7578 states and 8703 transitions. [2021-08-29 04:59:16,022 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 121.66666666666667) internal successors, (365), 3 states have internal predecessors, (365), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 04:59:16,022 INFO L276 IsEmpty]: Start isEmpty. Operand 7578 states and 8703 transitions. [2021-08-29 04:59:16,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 546 [2021-08-29 04:59:16,028 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 04:59:16,029 INFO L513 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-29 04:59:16,029 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-08-29 04:59:16,029 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-29 04:59:16,030 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 04:59:16,030 INFO L82 PathProgramCache]: Analyzing trace with hash -596337022, now seen corresponding path program 1 times [2021-08-29 04:59:16,030 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 04:59:16,030 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [36951378] [2021-08-29 04:59:16,030 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 04:59:16,030 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 04:59:16,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 04:59:16,236 INFO L134 CoverageAnalysis]: Checked inductivity of 759 backedges. 527 proven. 39 refuted. 0 times theorem prover too weak. 193 trivial. 0 not checked. [2021-08-29 04:59:16,236 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 04:59:16,236 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [36951378] [2021-08-29 04:59:16,236 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [36951378] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-29 04:59:16,237 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1118428355] [2021-08-29 04:59:16,237 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 04:59:16,237 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-29 04:59:16,237 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-29 04:59:16,245 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 04:59:16,286 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 04:59:16,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 04:59:16,423 INFO L263 TraceCheckSpWp]: Trace formula consists of 698 conjuncts, 2 conjunts are in the unsatisfiable core [2021-08-29 04:59:16,447 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-29 04:59:17,576 INFO L134 CoverageAnalysis]: Checked inductivity of 759 backedges. 235 proven. 0 refuted. 0 times theorem prover too weak. 524 trivial. 0 not checked. [2021-08-29 04:59:17,576 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-08-29 04:59:17,576 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1118428355] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-29 04:59:17,576 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-08-29 04:59:17,577 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2021-08-29 04:59:17,577 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [81571712] [2021-08-29 04:59:17,578 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-29 04:59:17,578 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 04:59:17,579 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-29 04:59:17,579 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-08-29 04:59:17,579 INFO L87 Difference]: Start difference. First operand 7578 states and 8703 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 04:59:19,622 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 04:59:19,622 INFO L93 Difference]: Finished difference Result 17246 states and 20055 transitions. [2021-08-29 04:59:19,623 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-29 04:59:19,623 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 545 [2021-08-29 04:59:19,624 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 04:59:19,641 INFO L225 Difference]: With dead ends: 17246 [2021-08-29 04:59:19,642 INFO L226 Difference]: Without dead ends: 9969 [2021-08-29 04:59:19,650 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 548 GetRequests, 544 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 19.69ms TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-08-29 04:59:19,651 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 356 mSDsluCounter, 20 mSDsCounter, 0 mSdLazyCounter, 1416 mSolverCounterSat, 127 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1694.40ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 356 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 1543 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 3.27ms SdHoareTripleChecker+Time, 127 IncrementalHoareTripleChecker+Valid, 1416 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1958.08ms IncrementalHoareTripleChecker+Time [2021-08-29 04:59:19,651 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [356 Valid, 0 Invalid, 1543 Unknown, 0 Unchecked, 3.27ms Time], IncrementalHoareTripleChecker [127 Valid, 1416 Invalid, 0 Unknown, 0 Unchecked, 1958.08ms Time] [2021-08-29 04:59:19,662 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9969 states. [2021-08-29 04:59:19,757 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9969 to 9969. [2021-08-29 04:59:19,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 9969 states, 9968 states have (on average 1.1499799357945426) internal successors, (11463), 9968 states have internal predecessors, (11463), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 04:59:19,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9969 states to 9969 states and 11463 transitions. [2021-08-29 04:59:19,781 INFO L78 Accepts]: Start accepts. Automaton has 9969 states and 11463 transitions. Word has length 545 [2021-08-29 04:59:19,781 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 04:59:19,782 INFO L470 AbstractCegarLoop]: Abstraction has 9969 states and 11463 transitions. [2021-08-29 04:59:19,782 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 04:59:19,782 INFO L276 IsEmpty]: Start isEmpty. Operand 9969 states and 11463 transitions. [2021-08-29 04:59:19,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 550 [2021-08-29 04:59:19,788 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 04:59:19,788 INFO L513 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-29 04:59:19,815 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 04:59:20,012 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true,SelfDestructingSolverStorable9 [2021-08-29 04:59:20,013 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-29 04:59:20,014 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 04:59:20,014 INFO L82 PathProgramCache]: Analyzing trace with hash 1882152332, now seen corresponding path program 1 times [2021-08-29 04:59:20,014 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 04:59:20,014 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1615058127] [2021-08-29 04:59:20,014 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 04:59:20,014 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 04:59:20,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 04:59:20,177 INFO L134 CoverageAnalysis]: Checked inductivity of 771 backedges. 471 proven. 0 refuted. 0 times theorem prover too weak. 300 trivial. 0 not checked. [2021-08-29 04:59:20,177 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 04:59:20,177 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1615058127] [2021-08-29 04:59:20,178 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1615058127] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-29 04:59:20,178 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-29 04:59:20,178 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-29 04:59:20,178 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [546124101] [2021-08-29 04:59:20,179 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-29 04:59:20,179 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 04:59:20,179 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-29 04:59:20,180 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-29 04:59:20,180 INFO L87 Difference]: Start difference. First operand 9969 states and 11463 transitions. Second operand has 3 states, 3 states have (on average 113.66666666666667) internal successors, (341), 3 states have internal predecessors, (341), 0 states have call successors, (0), 0 states 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 04:59:22,265 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 04:59:22,266 INFO L93 Difference]: Finished difference Result 24136 states and 28002 transitions. [2021-08-29 04:59:22,266 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-29 04:59:22,266 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 113.66666666666667) internal successors, (341), 3 states have internal predecessors, (341), 0 states have call successors, (0), 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 549 [2021-08-29 04:59:22,267 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 04:59:22,293 INFO L225 Difference]: With dead ends: 24136 [2021-08-29 04:59:22,293 INFO L226 Difference]: Without dead ends: 14468 [2021-08-29 04:59:22,304 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.55ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-29 04:59:22,305 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 246 mSDsluCounter, 33 mSDsCounter, 0 mSdLazyCounter, 1661 mSolverCounterSat, 170 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1638.93ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 246 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 1831 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 3.11ms SdHoareTripleChecker+Time, 170 IncrementalHoareTripleChecker+Valid, 1661 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1980.14ms IncrementalHoareTripleChecker+Time [2021-08-29 04:59:22,305 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [246 Valid, 0 Invalid, 1831 Unknown, 0 Unchecked, 3.11ms Time], IncrementalHoareTripleChecker [170 Valid, 1661 Invalid, 0 Unknown, 0 Unchecked, 1980.14ms Time] [2021-08-29 04:59:22,318 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14468 states. [2021-08-29 04:59:22,461 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14468 to 14158. [2021-08-29 04:59:22,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 14158 states, 14157 states have (on average 1.1348449530267712) internal successors, (16066), 14157 states have internal predecessors, (16066), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 04:59:22,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 14158 states to 14158 states and 16066 transitions. [2021-08-29 04:59:22,494 INFO L78 Accepts]: Start accepts. Automaton has 14158 states and 16066 transitions. Word has length 549 [2021-08-29 04:59:22,495 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 04:59:22,495 INFO L470 AbstractCegarLoop]: Abstraction has 14158 states and 16066 transitions. [2021-08-29 04:59:22,495 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 113.66666666666667) internal successors, (341), 3 states have internal predecessors, (341), 0 states have call successors, (0), 0 states 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 04:59:22,496 INFO L276 IsEmpty]: Start isEmpty. Operand 14158 states and 16066 transitions. [2021-08-29 04:59:22,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 625 [2021-08-29 04:59:22,506 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 04:59:22,507 INFO L513 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-29 04:59:22,507 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-08-29 04:59:22,507 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-29 04:59:22,508 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 04:59:22,508 INFO L82 PathProgramCache]: Analyzing trace with hash -490695072, now seen corresponding path program 1 times [2021-08-29 04:59:22,508 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 04:59:22,508 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [682849014] [2021-08-29 04:59:22,509 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 04:59:22,509 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 04:59:22,564 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 04:59:22,692 INFO L134 CoverageAnalysis]: Checked inductivity of 1129 backedges. 684 proven. 39 refuted. 0 times theorem prover too weak. 406 trivial. 0 not checked. [2021-08-29 04:59:22,693 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 04:59:22,693 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [682849014] [2021-08-29 04:59:22,693 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [682849014] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-29 04:59:22,693 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [84867617] [2021-08-29 04:59:22,694 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 04:59:22,694 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-29 04:59:22,694 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-29 04:59:22,697 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 04:59:22,726 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 04:59:22,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 04:59:22,865 INFO L263 TraceCheckSpWp]: Trace formula consists of 805 conjuncts, 2 conjunts are in the unsatisfiable core [2021-08-29 04:59:22,872 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-29 04:59:23,878 INFO L134 CoverageAnalysis]: Checked inductivity of 1129 backedges. 605 proven. 0 refuted. 0 times theorem prover too weak. 524 trivial. 0 not checked. [2021-08-29 04:59:23,879 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-08-29 04:59:23,879 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [84867617] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-29 04:59:23,879 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-08-29 04:59:23,879 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2021-08-29 04:59:23,879 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [366174208] [2021-08-29 04:59:23,880 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-29 04:59:23,880 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 04:59:23,880 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-29 04:59:23,880 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-08-29 04:59:23,881 INFO L87 Difference]: Start difference. First operand 14158 states and 16066 transitions. Second operand has 3 states, 3 states have (on average 114.0) internal successors, (342), 3 states have internal predecessors, (342), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 04:59:25,631 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 04:59:25,631 INFO L93 Difference]: Finished difference Result 27712 states and 31490 transitions. [2021-08-29 04:59:25,632 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-29 04:59:25,632 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 114.0) internal successors, (342), 3 states have internal predecessors, (342), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 624 [2021-08-29 04:59:25,633 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 04:59:25,657 INFO L225 Difference]: With dead ends: 27712 [2021-08-29 04:59:25,657 INFO L226 Difference]: Without dead ends: 13855 [2021-08-29 04:59:25,670 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 627 GetRequests, 623 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 14.90ms TimeCoverageRelationStatistics Valid=10, Invalid=20, Unknown=0, NotChecked=0, Total=30 [2021-08-29 04:59:25,671 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 252 mSDsluCounter, 37 mSDsCounter, 0 mSdLazyCounter, 1482 mSolverCounterSat, 208 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 1390.08ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 252 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 1690 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 2.19ms SdHoareTripleChecker+Time, 208 IncrementalHoareTripleChecker+Valid, 1482 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1643.90ms IncrementalHoareTripleChecker+Time [2021-08-29 04:59:25,671 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [252 Valid, 0 Invalid, 1690 Unknown, 0 Unchecked, 2.19ms Time], IncrementalHoareTripleChecker [208 Valid, 1482 Invalid, 0 Unknown, 0 Unchecked, 1643.90ms Time] [2021-08-29 04:59:25,682 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13855 states. [2021-08-29 04:59:25,806 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13855 to 13854. [2021-08-29 04:59:25,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13854 states, 13853 states have (on average 1.081642965422652) internal successors, (14984), 13853 states have internal predecessors, (14984), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 04:59:25,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13854 states to 13854 states and 14984 transitions. [2021-08-29 04:59:25,835 INFO L78 Accepts]: Start accepts. Automaton has 13854 states and 14984 transitions. Word has length 624 [2021-08-29 04:59:25,836 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 04:59:25,836 INFO L470 AbstractCegarLoop]: Abstraction has 13854 states and 14984 transitions. [2021-08-29 04:59:25,836 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 114.0) internal successors, (342), 3 states have internal predecessors, (342), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 04:59:25,836 INFO L276 IsEmpty]: Start isEmpty. Operand 13854 states and 14984 transitions. [2021-08-29 04:59:25,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 626 [2021-08-29 04:59:25,846 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 04:59:25,847 INFO L513 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-29 04:59:25,874 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 04:59:26,064 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,SelfDestructingSolverStorable11 [2021-08-29 04:59:26,065 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-29 04:59:26,065 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 04:59:26,065 INFO L82 PathProgramCache]: Analyzing trace with hash 1471252033, now seen corresponding path program 1 times [2021-08-29 04:59:26,066 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 04:59:26,066 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1657107195] [2021-08-29 04:59:26,066 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 04:59:26,066 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 04:59:26,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 04:59:26,288 INFO L134 CoverageAnalysis]: Checked inductivity of 847 backedges. 611 proven. 39 refuted. 0 times theorem prover too weak. 197 trivial. 0 not checked. [2021-08-29 04:59:26,289 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 04:59:26,289 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1657107195] [2021-08-29 04:59:26,289 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1657107195] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-29 04:59:26,289 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [464063733] [2021-08-29 04:59:26,289 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 04:59:26,290 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-29 04:59:26,290 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-29 04:59:26,293 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 04:59:26,294 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 04:59:26,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 04:59:26,460 INFO L263 TraceCheckSpWp]: Trace formula consists of 785 conjuncts, 7 conjunts are in the unsatisfiable core [2021-08-29 04:59:26,466 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-29 04:59:27,945 INFO L134 CoverageAnalysis]: Checked inductivity of 847 backedges. 611 proven. 39 refuted. 0 times theorem prover too weak. 197 trivial. 0 not checked. [2021-08-29 04:59:27,945 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-08-29 04:59:29,550 INFO L134 CoverageAnalysis]: Checked inductivity of 847 backedges. 611 proven. 39 refuted. 0 times theorem prover too weak. 197 trivial. 0 not checked. [2021-08-29 04:59:29,551 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [464063733] provided 0 perfect and 2 imperfect interpolant sequences [2021-08-29 04:59:29,551 INFO L186 FreeRefinementEngine]: Constructing automaton from 0 perfect and 3 imperfect interpolant sequences. [2021-08-29 04:59:29,551 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 4, 4] total 8 [2021-08-29 04:59:29,551 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1182893518] [2021-08-29 04:59:29,553 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 9 states [2021-08-29 04:59:29,554 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 04:59:29,554 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2021-08-29 04:59:29,554 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=28, Invalid=44, Unknown=0, NotChecked=0, Total=72 [2021-08-29 04:59:29,555 INFO L87 Difference]: Start difference. First operand 13854 states and 14984 transitions. Second operand has 9 states, 9 states have (on average 86.33333333333333) internal successors, (777), 8 states have internal predecessors, (777), 0 states have call successors, (0), 0 states 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 04:59:34,955 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 04:59:34,955 INFO L93 Difference]: Finished difference Result 35741 states and 38659 transitions. [2021-08-29 04:59:34,955 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 14 states. [2021-08-29 04:59:34,956 INFO L78 Accepts]: Start accepts. Automaton has has 9 states, 9 states have (on average 86.33333333333333) internal successors, (777), 8 states have internal predecessors, (777), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 625 [2021-08-29 04:59:34,956 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 04:59:34,981 INFO L225 Difference]: With dead ends: 35741 [2021-08-29 04:59:34,981 INFO L226 Difference]: Without dead ends: 16247 [2021-08-29 04:59:34,989 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 1259 GetRequests, 1245 SyntacticMatches, 0 SemanticMatches, 14 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 40 ImplicationChecksByTransitivity, 88.34ms TimeCoverageRelationStatistics Valid=89, Invalid=151, Unknown=0, NotChecked=0, Total=240 [2021-08-29 04:59:34,990 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 3103 mSDsluCounter, 128 mSDsCounter, 0 mSdLazyCounter, 5470 mSolverCounterSat, 701 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 4287.94ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 3103 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 6171 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 18.08ms SdHoareTripleChecker+Time, 701 IncrementalHoareTripleChecker+Valid, 5470 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 5068.46ms IncrementalHoareTripleChecker+Time [2021-08-29 04:59:34,990 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [3103 Valid, 0 Invalid, 6171 Unknown, 0 Unchecked, 18.08ms Time], IncrementalHoareTripleChecker [701 Valid, 5470 Invalid, 0 Unknown, 0 Unchecked, 5068.46ms Time] [2021-08-29 04:59:35,002 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16247 states. [2021-08-29 04:59:35,112 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16247 to 12357. [2021-08-29 04:59:35,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 12357 states, 12356 states have (on average 1.0386047264486888) internal successors, (12833), 12356 states have internal predecessors, (12833), 0 states have call successors, (0), 0 states 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 04:59:35,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 12357 states to 12357 states and 12833 transitions. [2021-08-29 04:59:35,138 INFO L78 Accepts]: Start accepts. Automaton has 12357 states and 12833 transitions. Word has length 625 [2021-08-29 04:59:35,139 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 04:59:35,139 INFO L470 AbstractCegarLoop]: Abstraction has 12357 states and 12833 transitions. [2021-08-29 04:59:35,139 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 9 states, 9 states have (on average 86.33333333333333) internal successors, (777), 8 states have internal predecessors, (777), 0 states have call successors, (0), 0 states 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 04:59:35,139 INFO L276 IsEmpty]: Start isEmpty. Operand 12357 states and 12833 transitions. [2021-08-29 04:59:35,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 663 [2021-08-29 04:59:35,147 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 04:59:35,149 INFO L513 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-29 04:59:35,179 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 04:59:35,364 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12,4 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-29 04:59:35,365 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-29 04:59:35,365 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 04:59:35,366 INFO L82 PathProgramCache]: Analyzing trace with hash -2145955924, now seen corresponding path program 1 times [2021-08-29 04:59:35,366 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 04:59:35,366 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [535284996] [2021-08-29 04:59:35,366 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 04:59:35,366 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 04:59:35,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 04:59:35,567 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 176 proven. 0 refuted. 0 times theorem prover too weak. 436 trivial. 0 not checked. [2021-08-29 04:59:35,567 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 04:59:35,568 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [535284996] [2021-08-29 04:59:35,568 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [535284996] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-29 04:59:35,568 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-29 04:59:35,568 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-29 04:59:35,568 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [342087622] [2021-08-29 04:59:35,569 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-29 04:59:35,569 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 04:59:35,569 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-29 04:59:35,569 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-29 04:59:35,570 INFO L87 Difference]: Start difference. First operand 12357 states and 12833 transitions. Second operand has 3 states, 3 states have (on average 111.33333333333333) internal successors, (334), 3 states have internal predecessors, (334), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 04:59:36,659 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 04:59:36,659 INFO L93 Difference]: Finished difference Result 28295 states and 29436 transitions. [2021-08-29 04:59:36,660 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-29 04:59:36,660 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 111.33333333333333) internal successors, (334), 3 states have internal predecessors, (334), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 662 [2021-08-29 04:59:36,660 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 04:59:36,683 INFO L225 Difference]: With dead ends: 28295 [2021-08-29 04:59:36,683 INFO L226 Difference]: Without dead ends: 15940 [2021-08-29 04:59:36,693 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.43ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-29 04:59:36,694 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 253 mSDsluCounter, 39 mSDsCounter, 0 mSdLazyCounter, 1277 mSolverCounterSat, 112 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 837.98ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 253 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 1389 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 1.23ms SdHoareTripleChecker+Time, 112 IncrementalHoareTripleChecker+Valid, 1277 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1007.91ms IncrementalHoareTripleChecker+Time [2021-08-29 04:59:36,694 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [253 Valid, 0 Invalid, 1389 Unknown, 0 Unchecked, 1.23ms Time], IncrementalHoareTripleChecker [112 Valid, 1277 Invalid, 0 Unknown, 0 Unchecked, 1007.91ms Time] [2021-08-29 04:59:36,706 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 15940 states. [2021-08-29 04:59:36,835 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 15940 to 15043. [2021-08-29 04:59:36,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15043 states, 15042 states have (on average 1.032974338518814) internal successors, (15538), 15042 states have internal predecessors, (15538), 0 states have call successors, (0), 0 states 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 04:59:36,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15043 states to 15043 states and 15538 transitions. [2021-08-29 04:59:36,867 INFO L78 Accepts]: Start accepts. Automaton has 15043 states and 15538 transitions. Word has length 662 [2021-08-29 04:59:36,868 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 04:59:36,868 INFO L470 AbstractCegarLoop]: Abstraction has 15043 states and 15538 transitions. [2021-08-29 04:59:36,868 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 111.33333333333333) internal successors, (334), 3 states have internal predecessors, (334), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 04:59:36,869 INFO L276 IsEmpty]: Start isEmpty. Operand 15043 states and 15538 transitions. [2021-08-29 04:59:36,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 687 [2021-08-29 04:59:36,911 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 04:59:36,912 INFO L513 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:59:36,912 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-08-29 04:59:36,912 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-29 04:59:36,913 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 04:59:36,913 INFO L82 PathProgramCache]: Analyzing trace with hash 1492551500, now seen corresponding path program 1 times [2021-08-29 04:59:36,914 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 04:59:36,914 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1721186885] [2021-08-29 04:59:36,914 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 04:59:36,914 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 04:59:36,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 04:59:37,127 INFO L134 CoverageAnalysis]: Checked inductivity of 634 backedges. 528 proven. 0 refuted. 0 times theorem prover too weak. 106 trivial. 0 not checked. [2021-08-29 04:59:37,127 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 04:59:37,127 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1721186885] [2021-08-29 04:59:37,127 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1721186885] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-29 04:59:37,128 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-29 04:59:37,128 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-29 04:59:37,128 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [108026892] [2021-08-29 04:59:37,129 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-29 04:59:37,129 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 04:59:37,129 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-29 04:59:37,129 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-29 04:59:37,130 INFO L87 Difference]: Start difference. First operand 15043 states and 15538 transitions. Second operand has 3 states, 3 states have (on average 193.66666666666666) internal successors, (581), 3 states have internal predecessors, (581), 0 states have call successors, (0), 0 states 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 04:59:38,362 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 04:59:38,362 INFO L93 Difference]: Finished difference Result 33081 states and 34229 transitions. [2021-08-29 04:59:38,362 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-29 04:59:38,363 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 193.66666666666666) internal successors, (581), 3 states have internal predecessors, (581), 0 states have call successors, (0), 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 686 [2021-08-29 04:59:38,363 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 04:59:38,386 INFO L225 Difference]: With dead ends: 33081 [2021-08-29 04:59:38,386 INFO L226 Difference]: Without dead ends: 18339 [2021-08-29 04:59:38,398 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.45ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-29 04:59:38,398 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 87 mSDsluCounter, 33 mSDsCounter, 0 mSdLazyCounter, 1270 mSolverCounterSat, 101 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 931.00ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 87 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 1371 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 1.43ms SdHoareTripleChecker+Time, 101 IncrementalHoareTripleChecker+Valid, 1270 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1132.04ms IncrementalHoareTripleChecker+Time [2021-08-29 04:59:38,399 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [87 Valid, 0 Invalid, 1371 Unknown, 0 Unchecked, 1.43ms Time], IncrementalHoareTripleChecker [101 Valid, 1270 Invalid, 0 Unknown, 0 Unchecked, 1132.04ms Time] [2021-08-29 04:59:38,414 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18339 states. [2021-08-29 04:59:38,567 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18339 to 18038. [2021-08-29 04:59:38,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 18038 states, 18037 states have (on average 1.0326550978544105) internal successors, (18626), 18037 states have internal predecessors, (18626), 0 states have call successors, (0), 0 states 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 04:59:38,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18038 states to 18038 states and 18626 transitions. [2021-08-29 04:59:38,603 INFO L78 Accepts]: Start accepts. Automaton has 18038 states and 18626 transitions. Word has length 686 [2021-08-29 04:59:38,604 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 04:59:38,604 INFO L470 AbstractCegarLoop]: Abstraction has 18038 states and 18626 transitions. [2021-08-29 04:59:38,604 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 193.66666666666666) internal successors, (581), 3 states have internal predecessors, (581), 0 states have call successors, (0), 0 states 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 04:59:38,604 INFO L276 IsEmpty]: Start isEmpty. Operand 18038 states and 18626 transitions. [2021-08-29 04:59:38,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 789 [2021-08-29 04:59:38,619 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 04:59:38,621 INFO L513 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-29 04:59:38,621 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-08-29 04:59:38,621 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-29 04:59:38,622 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 04:59:38,622 INFO L82 PathProgramCache]: Analyzing trace with hash 918291843, now seen corresponding path program 1 times [2021-08-29 04:59:38,622 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 04:59:38,622 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [783787092] [2021-08-29 04:59:38,623 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 04:59:38,623 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 04:59:38,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 04:59:38,901 INFO L134 CoverageAnalysis]: Checked inductivity of 1322 backedges. 748 proven. 0 refuted. 0 times theorem prover too weak. 574 trivial. 0 not checked. [2021-08-29 04:59:38,902 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 04:59:38,902 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [783787092] [2021-08-29 04:59:38,902 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [783787092] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-29 04:59:38,902 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-29 04:59:38,903 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-29 04:59:38,903 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1417304648] [2021-08-29 04:59:38,904 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-29 04:59:38,904 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 04:59:38,904 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-29 04:59:38,905 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-29 04:59:38,905 INFO L87 Difference]: Start difference. First operand 18038 states and 18626 transitions. Second operand has 3 states, 3 states have (on average 164.0) internal successors, (492), 3 states have internal predecessors, (492), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 04:59:39,969 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 04:59:39,969 INFO L93 Difference]: Finished difference Result 38762 states and 40068 transitions. [2021-08-29 04:59:39,970 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-29 04:59:39,970 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 164.0) internal successors, (492), 3 states have internal predecessors, (492), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 788 [2021-08-29 04:59:39,971 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 04:59:39,996 INFO L225 Difference]: With dead ends: 38762 [2021-08-29 04:59:39,996 INFO L226 Difference]: Without dead ends: 20726 [2021-08-29 04:59:40,011 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.37ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-29 04:59:40,012 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 183 mSDsluCounter, 33 mSDsCounter, 0 mSdLazyCounter, 950 mSolverCounterSat, 103 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 805.85ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 183 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 1053 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 1.13ms SdHoareTripleChecker+Time, 103 IncrementalHoareTripleChecker+Valid, 950 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 960.77ms IncrementalHoareTripleChecker+Time [2021-08-29 04:59:40,013 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [183 Valid, 0 Invalid, 1053 Unknown, 0 Unchecked, 1.13ms Time], IncrementalHoareTripleChecker [103 Valid, 950 Invalid, 0 Unknown, 0 Unchecked, 960.77ms Time] [2021-08-29 04:59:40,031 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 20726 states. [2021-08-29 04:59:40,199 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 20726 to 19829. [2021-08-29 04:59:40,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19829 states, 19828 states have (on average 1.030260238047206) internal successors, (20428), 19828 states have internal predecessors, (20428), 0 states have call successors, (0), 0 states 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 04:59:40,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19829 states to 19829 states and 20428 transitions. [2021-08-29 04:59:40,237 INFO L78 Accepts]: Start accepts. Automaton has 19829 states and 20428 transitions. Word has length 788 [2021-08-29 04:59:40,238 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 04:59:40,238 INFO L470 AbstractCegarLoop]: Abstraction has 19829 states and 20428 transitions. [2021-08-29 04:59:40,238 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 164.0) internal successors, (492), 3 states have internal predecessors, (492), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-29 04:59:40,238 INFO L276 IsEmpty]: Start isEmpty. Operand 19829 states and 20428 transitions. [2021-08-29 04:59:40,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 847 [2021-08-29 04:59:40,258 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 04:59:40,258 INFO L513 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 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 04:59:40,259 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-08-29 04:59:40,259 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-29 04:59:40,259 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 04:59:40,260 INFO L82 PathProgramCache]: Analyzing trace with hash 1105372660, now seen corresponding path program 1 times [2021-08-29 04:59:40,260 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 04:59:40,260 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1322717285] [2021-08-29 04:59:40,260 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 04:59:40,260 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 04:59:40,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 04:59:40,522 INFO L134 CoverageAnalysis]: Checked inductivity of 1114 backedges. 592 proven. 0 refuted. 0 times theorem prover too weak. 522 trivial. 0 not checked. [2021-08-29 04:59:40,522 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 04:59:40,522 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1322717285] [2021-08-29 04:59:40,523 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1322717285] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-29 04:59:40,523 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-29 04:59:40,523 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-29 04:59:40,523 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1988355997] [2021-08-29 04:59:40,524 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-29 04:59:40,525 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 04:59:40,525 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-29 04:59:40,525 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-29 04:59:40,526 INFO L87 Difference]: Start difference. First operand 19829 states and 20428 transitions. Second operand has 3 states, 3 states have (on average 144.33333333333334) internal successors, (433), 3 states have internal predecessors, (433), 0 states have call successors, (0), 0 states 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 04:59:41,694 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 04:59:41,694 INFO L93 Difference]: Finished difference Result 42641 states and 44001 transitions. [2021-08-29 04:59:41,694 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-29 04:59:41,695 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 144.33333333333334) internal successors, (433), 3 states have internal predecessors, (433), 0 states have call successors, (0), 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 846 [2021-08-29 04:59:41,695 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 04:59:41,715 INFO L225 Difference]: With dead ends: 42641 [2021-08-29 04:59:41,715 INFO L226 Difference]: Without dead ends: 23113 [2021-08-29 04:59:41,728 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.92ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-29 04:59:41,729 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 314 mSDsluCounter, 39 mSDsCounter, 0 mSdLazyCounter, 1248 mSolverCounterSat, 76 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 885.77ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 314 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 1324 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 1.23ms SdHoareTripleChecker+Time, 76 IncrementalHoareTripleChecker+Valid, 1248 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1062.59ms IncrementalHoareTripleChecker+Time [2021-08-29 04:59:41,729 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [314 Valid, 0 Invalid, 1324 Unknown, 0 Unchecked, 1.23ms Time], IncrementalHoareTripleChecker [76 Valid, 1248 Invalid, 0 Unknown, 0 Unchecked, 1062.59ms Time] [2021-08-29 04:59:41,743 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 23113 states. [2021-08-29 04:59:41,864 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 23113 to 19820. [2021-08-29 04:59:41,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 19820 states, 19819 states have (on average 1.0282052575811091) internal successors, (20378), 19819 states have internal predecessors, (20378), 0 states have call successors, (0), 0 states 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 04:59:41,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 19820 states to 19820 states and 20378 transitions. [2021-08-29 04:59:41,892 INFO L78 Accepts]: Start accepts. Automaton has 19820 states and 20378 transitions. Word has length 846 [2021-08-29 04:59:41,893 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 04:59:41,893 INFO L470 AbstractCegarLoop]: Abstraction has 19820 states and 20378 transitions. [2021-08-29 04:59:41,893 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 144.33333333333334) internal successors, (433), 3 states have internal predecessors, (433), 0 states have call successors, (0), 0 states 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 04:59:41,893 INFO L276 IsEmpty]: Start isEmpty. Operand 19820 states and 20378 transitions. [2021-08-29 04:59:41,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 868 [2021-08-29 04:59:41,904 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 04:59:41,905 INFO L513 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-29 04:59:41,905 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-08-29 04:59:41,905 INFO L402 AbstractCegarLoop]: === Iteration 18 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-29 04:59:41,906 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 04:59:41,906 INFO L82 PathProgramCache]: Analyzing trace with hash -1187839850, now seen corresponding path program 1 times [2021-08-29 04:59:41,906 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 04:59:41,906 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [614913736] [2021-08-29 04:59:41,906 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 04:59:41,907 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 04:59:41,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 04:59:42,231 INFO L134 CoverageAnalysis]: Checked inductivity of 1130 backedges. 637 proven. 269 refuted. 0 times theorem prover too weak. 224 trivial. 0 not checked. [2021-08-29 04:59:42,231 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 04:59:42,231 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [614913736] [2021-08-29 04:59:42,231 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [614913736] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-29 04:59:42,232 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1088679459] [2021-08-29 04:59:42,232 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 04:59:42,232 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-29 04:59:42,232 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-29 04:59:42,237 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 04:59:42,238 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 04:59:42,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 04:59:42,467 INFO L263 TraceCheckSpWp]: Trace formula consists of 1022 conjuncts, 3 conjunts are in the unsatisfiable core [2021-08-29 04:59:42,474 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-29 04:59:43,709 INFO L134 CoverageAnalysis]: Checked inductivity of 1130 backedges. 235 proven. 0 refuted. 0 times theorem prover too weak. 895 trivial. 0 not checked. [2021-08-29 04:59:43,709 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-08-29 04:59:43,709 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1088679459] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-29 04:59:43,709 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-08-29 04:59:43,710 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2021-08-29 04:59:43,710 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1012114983] [2021-08-29 04:59:43,711 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-29 04:59:43,711 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 04:59:43,711 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-29 04:59:43,711 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-08-29 04:59:43,712 INFO L87 Difference]: Start difference. First operand 19820 states and 20378 transitions. Second operand has 3 states, 3 states have (on average 113.33333333333333) internal successors, (340), 3 states have internal predecessors, (340), 0 states have call successors, (0), 0 states 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 04:59:44,892 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 04:59:44,893 INFO L93 Difference]: Finished difference Result 43838 states and 45054 transitions. [2021-08-29 04:59:44,893 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-29 04:59:44,893 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 113.33333333333333) internal successors, (340), 3 states have internal predecessors, (340), 0 states have call successors, (0), 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 867 [2021-08-29 04:59:44,894 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 04:59:44,916 INFO L225 Difference]: With dead ends: 43838 [2021-08-29 04:59:44,917 INFO L226 Difference]: Without dead ends: 24319 [2021-08-29 04:59:44,928 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 870 GetRequests, 866 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 18.12ms TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-08-29 04:59:44,930 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 268 mSDsluCounter, 30 mSDsCounter, 0 mSdLazyCounter, 1315 mSolverCounterSat, 50 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 868.76ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 268 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 1365 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 1.50ms SdHoareTripleChecker+Time, 50 IncrementalHoareTripleChecker+Valid, 1315 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1068.82ms IncrementalHoareTripleChecker+Time [2021-08-29 04:59:44,932 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [268 Valid, 0 Invalid, 1365 Unknown, 0 Unchecked, 1.50ms Time], IncrementalHoareTripleChecker [50 Valid, 1315 Invalid, 0 Unknown, 0 Unchecked, 1068.82ms Time] [2021-08-29 04:59:44,951 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 24319 states. [2021-08-29 04:59:45,096 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 24319 to 21917. [2021-08-29 04:59:45,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21917 states, 21916 states have (on average 1.0275141449169556) internal successors, (22519), 21916 states have internal predecessors, (22519), 0 states have call successors, (0), 0 states 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 04:59:45,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21917 states to 21917 states and 22519 transitions. [2021-08-29 04:59:45,229 INFO L78 Accepts]: Start accepts. Automaton has 21917 states and 22519 transitions. Word has length 867 [2021-08-29 04:59:45,229 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 04:59:45,229 INFO L470 AbstractCegarLoop]: Abstraction has 21917 states and 22519 transitions. [2021-08-29 04:59:45,229 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 113.33333333333333) internal successors, (340), 3 states have internal predecessors, (340), 0 states have call successors, (0), 0 states 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 04:59:45,230 INFO L276 IsEmpty]: Start isEmpty. Operand 21917 states and 22519 transitions. [2021-08-29 04:59:45,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 901 [2021-08-29 04:59:45,245 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 04:59:45,246 INFO L513 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2021-08-29 04:59:45,263 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 04:59:45,446 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,SelfDestructingSolverStorable17 [2021-08-29 04:59:45,447 INFO L402 AbstractCegarLoop]: === Iteration 19 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-29 04:59:45,447 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 04:59:45,447 INFO L82 PathProgramCache]: Analyzing trace with hash -568589825, now seen corresponding path program 1 times [2021-08-29 04:59:45,447 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 04:59:45,448 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1267348012] [2021-08-29 04:59:45,448 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 04:59:45,448 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 04:59:45,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 04:59:45,765 INFO L134 CoverageAnalysis]: Checked inductivity of 1501 backedges. 859 proven. 0 refuted. 0 times theorem prover too weak. 642 trivial. 0 not checked. [2021-08-29 04:59:45,765 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 04:59:45,765 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1267348012] [2021-08-29 04:59:45,766 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1267348012] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-29 04:59:45,766 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-29 04:59:45,766 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-29 04:59:45,766 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [564102159] [2021-08-29 04:59:45,768 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-29 04:59:45,769 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 04:59:45,769 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-29 04:59:45,769 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-29 04:59:45,769 INFO L87 Difference]: Start difference. First operand 21917 states and 22519 transitions. Second operand has 3 states, 3 states have (on average 175.0) internal successors, (525), 3 states have internal predecessors, (525), 0 states have call successors, (0), 0 states 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 04:59:46,931 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 04:59:46,931 INFO L93 Difference]: Finished difference Result 47734 states and 49018 transitions. [2021-08-29 04:59:46,932 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-29 04:59:46,932 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 175.0) internal successors, (525), 3 states have internal predecessors, (525), 0 states have call successors, (0), 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 900 [2021-08-29 04:59:46,933 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 04:59:46,956 INFO L225 Difference]: With dead ends: 47734 [2021-08-29 04:59:46,956 INFO L226 Difference]: Without dead ends: 25819 [2021-08-29 04:59:46,968 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.49ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-29 04:59:46,969 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 142 mSDsluCounter, 28 mSDsCounter, 0 mSdLazyCounter, 1308 mSolverCounterSat, 72 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 873.96ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 142 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 1380 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 1.53ms SdHoareTripleChecker+Time, 72 IncrementalHoareTripleChecker+Valid, 1308 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 1043.47ms IncrementalHoareTripleChecker+Time [2021-08-29 04:59:46,969 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [142 Valid, 0 Invalid, 1380 Unknown, 0 Unchecked, 1.53ms Time], IncrementalHoareTripleChecker [72 Valid, 1308 Invalid, 0 Unknown, 0 Unchecked, 1043.47ms Time] [2021-08-29 04:59:46,988 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 25819 states. [2021-08-29 04:59:47,163 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 25819 to 21615. [2021-08-29 04:59:47,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21615 states, 21614 states have (on average 1.0270657906912186) internal successors, (22199), 21614 states have internal predecessors, (22199), 0 states have call successors, (0), 0 states 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 04:59:47,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21615 states to 21615 states and 22199 transitions. [2021-08-29 04:59:47,196 INFO L78 Accepts]: Start accepts. Automaton has 21615 states and 22199 transitions. Word has length 900 [2021-08-29 04:59:47,196 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 04:59:47,197 INFO L470 AbstractCegarLoop]: Abstraction has 21615 states and 22199 transitions. [2021-08-29 04:59:47,197 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 175.0) internal successors, (525), 3 states have internal predecessors, (525), 0 states have call successors, (0), 0 states 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 04:59:47,197 INFO L276 IsEmpty]: Start isEmpty. Operand 21615 states and 22199 transitions. [2021-08-29 04:59:47,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 905 [2021-08-29 04:59:47,208 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 04:59:47,208 INFO L513 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-29 04:59:47,208 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable18 [2021-08-29 04:59:47,208 INFO L402 AbstractCegarLoop]: === Iteration 20 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-29 04:59:47,209 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 04:59:47,209 INFO L82 PathProgramCache]: Analyzing trace with hash 629237515, now seen corresponding path program 1 times [2021-08-29 04:59:47,209 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 04:59:47,210 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1300883627] [2021-08-29 04:59:47,210 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 04:59:47,210 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 04:59:47,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 04:59:47,575 INFO L134 CoverageAnalysis]: Checked inductivity of 1204 backedges. 711 proven. 269 refuted. 0 times theorem prover too weak. 224 trivial. 0 not checked. [2021-08-29 04:59:47,576 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 04:59:47,576 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1300883627] [2021-08-29 04:59:47,576 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1300883627] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-29 04:59:47,576 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [335322992] [2021-08-29 04:59:47,576 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 04:59:47,577 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-29 04:59:47,577 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-29 04:59:47,581 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 04:59:47,589 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 04:59:47,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 04:59:47,789 INFO L263 TraceCheckSpWp]: Trace formula consists of 1059 conjuncts, 3 conjunts are in the unsatisfiable core [2021-08-29 04:59:47,797 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-29 04:59:51,295 INFO L134 CoverageAnalysis]: Checked inductivity of 1204 backedges. 235 proven. 0 refuted. 0 times theorem prover too weak. 969 trivial. 0 not checked. [2021-08-29 04:59:51,295 INFO L324 TraceCheckSpWp]: Omiting computation of backward sequence because forward sequence was already perfect [2021-08-29 04:59:51,296 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [335322992] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-29 04:59:51,296 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-08-29 04:59:51,296 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2021-08-29 04:59:51,296 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1862411755] [2021-08-29 04:59:51,297 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-29 04:59:51,297 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 04:59:51,298 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-29 04:59:51,298 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-08-29 04:59:51,298 INFO L87 Difference]: Start difference. First operand 21615 states and 22199 transitions. Second operand has 3 states, 3 states have (on average 113.33333333333333) internal successors, (340), 3 states have internal predecessors, (340), 0 states have call successors, (0), 0 states 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 04:59:51,938 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 04:59:51,938 INFO L93 Difference]: Finished difference Result 22215 states and 22805 transitions. [2021-08-29 04:59:51,938 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-29 04:59:51,939 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 113.33333333333333) internal successors, (340), 3 states have internal predecessors, (340), 0 states have call successors, (0), 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 904 [2021-08-29 04:59:51,939 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 04:59:51,959 INFO L225 Difference]: With dead ends: 22215 [2021-08-29 04:59:51,959 INFO L226 Difference]: Without dead ends: 22213 [2021-08-29 04:59:51,965 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 907 GetRequests, 903 SyntacticMatches, 0 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 35.43ms TimeCoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2021-08-29 04:59:51,966 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 243 mSDsluCounter, 37 mSDsCounter, 0 mSdLazyCounter, 484 mSolverCounterSat, 0 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 468.57ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 243 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 1284 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 1.40ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Valid, 484 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 800 IncrementalHoareTripleChecker+Unchecked, 570.94ms IncrementalHoareTripleChecker+Time [2021-08-29 04:59:51,966 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [243 Valid, 0 Invalid, 1284 Unknown, 0 Unchecked, 1.40ms Time], IncrementalHoareTripleChecker [0 Valid, 484 Invalid, 0 Unknown, 800 Unchecked, 570.94ms Time] [2021-08-29 04:59:51,981 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 22213 states. [2021-08-29 04:59:52,162 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 22213 to 21316. [2021-08-29 04:59:52,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 21316 states, 21315 states have (on average 1.0270232230823364) internal successors, (21891), 21315 states have internal predecessors, (21891), 0 states have call successors, (0), 0 states 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 04:59:52,198 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 21316 states to 21316 states and 21891 transitions. [2021-08-29 04:59:52,198 INFO L78 Accepts]: Start accepts. Automaton has 21316 states and 21891 transitions. Word has length 904 [2021-08-29 04:59:52,198 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 04:59:52,199 INFO L470 AbstractCegarLoop]: Abstraction has 21316 states and 21891 transitions. [2021-08-29 04:59:52,199 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 113.33333333333333) internal successors, (340), 3 states have internal predecessors, (340), 0 states have call successors, (0), 0 states 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 04:59:52,199 INFO L276 IsEmpty]: Start isEmpty. Operand 21316 states and 21891 transitions. [2021-08-29 04:59:52,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1026 [2021-08-29 04:59:52,212 INFO L505 BasicCegarLoop]: Found error trace [2021-08-29 04:59:52,212 INFO L513 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 04:59:52,237 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 04:59:52,421 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable19,6 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-29 04:59:52,422 INFO L402 AbstractCegarLoop]: === Iteration 21 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-29 04:59:52,422 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-29 04:59:52,422 INFO L82 PathProgramCache]: Analyzing trace with hash -849008212, now seen corresponding path program 1 times [2021-08-29 04:59:52,422 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-29 04:59:52,422 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1080425525] [2021-08-29 04:59:52,422 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 04:59:52,422 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-29 04:59:52,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 04:59:52,779 INFO L134 CoverageAnalysis]: Checked inductivity of 1775 backedges. 1193 proven. 394 refuted. 0 times theorem prover too weak. 188 trivial. 0 not checked. [2021-08-29 04:59:52,780 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-29 04:59:52,780 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1080425525] [2021-08-29 04:59:52,780 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1080425525] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-29 04:59:52,780 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1039805532] [2021-08-29 04:59:52,780 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-29 04:59:52,781 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-29 04:59:52,781 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-29 04:59:52,782 INFO L229 MonitoredProcess]: Starting monitored process 7 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-29 04:59:52,783 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Waiting until timeout for monitored process [2021-08-29 04:59:53,021 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-29 04:59:53,027 INFO L263 TraceCheckSpWp]: Trace formula consists of 1203 conjuncts, 6 conjunts are in the unsatisfiable core [2021-08-29 04:59:53,036 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-29 04:59:55,045 INFO L134 CoverageAnalysis]: Checked inductivity of 1775 backedges. 1188 proven. 399 refuted. 0 times theorem prover too weak. 188 trivial. 0 not checked. [2021-08-29 04:59:55,045 INFO L328 TraceCheckSpWp]: Computing backward predicates... [2021-08-29 04:59:56,535 INFO L134 CoverageAnalysis]: Checked inductivity of 1775 backedges. 933 proven. 0 refuted. 0 times theorem prover too weak. 842 trivial. 0 not checked. [2021-08-29 04:59:56,535 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1039805532] provided 1 perfect and 1 imperfect interpolant sequences [2021-08-29 04:59:56,535 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 2 imperfect interpolant sequences. [2021-08-29 04:59:56,536 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [6, 6] total 12 [2021-08-29 04:59:56,536 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1099121332] [2021-08-29 04:59:56,537 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-08-29 04:59:56,537 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-29 04:59:56,537 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-08-29 04:59:56,537 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132 [2021-08-29 04:59:56,538 INFO L87 Difference]: Start difference. First operand 21316 states and 21891 transitions. Second operand has 4 states, 4 states have (on average 131.25) internal successors, (525), 4 states have internal predecessors, (525), 0 states have call successors, (0), 0 states 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 04:59:57,624 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-29 04:59:57,624 INFO L93 Difference]: Finished difference Result 34511 states and 35347 transitions. [2021-08-29 04:59:57,624 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-08-29 04:59:57,625 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 131.25) internal successors, (525), 4 states have internal predecessors, (525), 0 states have call successors, (0), 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 1025 [2021-08-29 04:59:57,626 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-29 04:59:57,626 INFO L225 Difference]: With dead ends: 34511 [2021-08-29 04:59:57,626 INFO L226 Difference]: Without dead ends: 0 [2021-08-29 04:59:57,639 INFO L927 BasicCegarLoop]: 0 DeclaredPredicates, 2055 GetRequests, 2045 SyntacticMatches, 0 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 30 ImplicationChecksByTransitivity, 52.44ms TimeCoverageRelationStatistics Valid=39, Invalid=93, Unknown=0, NotChecked=0, Total=132 [2021-08-29 04:59:57,641 INFO L928 BasicCegarLoop]: 0 mSDtfsCounter, 391 mSDsluCounter, 11 mSDsCounter, 0 mSdLazyCounter, 1059 mSolverCounterSat, 113 mSolverCounterUnsat, 0 mSolverCounterUnknown, 0 mSolverCounterNotChecked, 758.35ms Time, 0 mProtectedPredicate, 0 mProtectedAction, 391 SdHoareTripleChecker+Valid, 0 SdHoareTripleChecker+Invalid, 1172 SdHoareTripleChecker+Unknown, 0 SdHoareTripleChecker+Unchecked, 2.08ms SdHoareTripleChecker+Time, 113 IncrementalHoareTripleChecker+Valid, 1059 IncrementalHoareTripleChecker+Invalid, 0 IncrementalHoareTripleChecker+Unknown, 0 IncrementalHoareTripleChecker+Unchecked, 962.86ms IncrementalHoareTripleChecker+Time [2021-08-29 04:59:57,641 INFO L929 BasicCegarLoop]: SdHoareTripleChecker [391 Valid, 0 Invalid, 1172 Unknown, 0 Unchecked, 2.08ms Time], IncrementalHoareTripleChecker [113 Valid, 1059 Invalid, 0 Unknown, 0 Unchecked, 962.86ms Time] [2021-08-29 04:59:57,642 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-08-29 04:59:57,642 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-08-29 04:59:57,642 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 04:59:57,642 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-08-29 04:59:57,643 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 1025 [2021-08-29 04:59:57,643 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-29 04:59:57,643 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-08-29 04:59:57,643 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 131.25) internal successors, (525), 4 states have internal predecessors, (525), 0 states have call successors, (0), 0 states 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 04:59:57,643 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-08-29 04:59:57,644 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-08-29 04:59:57,646 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION (0 of 1 remaining) [2021-08-29 04:59:57,670 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (7)] Forceful destruction successful, exit code 0 [2021-08-29 04:59:57,869 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable20,7 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-29 04:59:57,870 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-08-29 04:59:57,874 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 04:59:57,876 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 04:59:58,069 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 04:59:58,222 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-29 05:00:00,708 INFO L858 garLoopResultBuilder]: For program point L630(lines 630 1664) no Hoare annotation was computed. [2021-08-29 05:00:00,708 INFO L858 garLoopResultBuilder]: For program point L1423(lines 1423 1664) no Hoare annotation was computed. [2021-08-29 05:00:00,709 INFO L858 garLoopResultBuilder]: For program point L895(lines 895 1664) no Hoare annotation was computed. [2021-08-29 05:00:00,709 INFO L858 garLoopResultBuilder]: For program point L1688(lines 1688 1766) no Hoare annotation was computed. [2021-08-29 05:00:00,709 INFO L858 garLoopResultBuilder]: For program point L1160(lines 1160 1664) no Hoare annotation was computed. [2021-08-29 05:00:00,709 INFO L858 garLoopResultBuilder]: For program point L103-1(lines 33 1666) no Hoare annotation was computed. [2021-08-29 05:00:00,710 INFO L858 garLoopResultBuilder]: For program point L896(lines 896 904) no Hoare annotation was computed. [2021-08-29 05:00:00,710 INFO L858 garLoopResultBuilder]: For program point L896-2(lines 896 904) no Hoare annotation was computed. [2021-08-29 05:00:00,711 INFO L858 garLoopResultBuilder]: For program point L764(lines 764 1664) no Hoare annotation was computed. [2021-08-29 05:00:00,711 INFO L858 garLoopResultBuilder]: For program point L1557(lines 1557 1664) no Hoare annotation was computed. [2021-08-29 05:00:00,711 INFO L858 garLoopResultBuilder]: For program point L1293(lines 1293 1664) no Hoare annotation was computed. [2021-08-29 05:00:00,711 INFO L858 garLoopResultBuilder]: For program point L104(line 104) no Hoare annotation was computed. [2021-08-29 05:00:00,711 INFO L858 garLoopResultBuilder]: For program point L1029(lines 1029 1664) no Hoare annotation was computed. [2021-08-29 05:00:00,711 INFO L858 garLoopResultBuilder]: For program point L501(lines 501 1664) no Hoare annotation was computed. [2021-08-29 05:00:00,711 INFO L858 garLoopResultBuilder]: For program point L106-1(lines 33 1666) no Hoare annotation was computed. [2021-08-29 05:00:00,712 INFO L858 garLoopResultBuilder]: For program point L371(lines 371 1664) no Hoare annotation was computed. [2021-08-29 05:00:00,712 INFO L858 garLoopResultBuilder]: For program point L239(lines 239 1664) no Hoare annotation was computed. [2021-08-29 05:00:00,712 INFO L858 garLoopResultBuilder]: For program point L107(line 107) no Hoare annotation was computed. [2021-08-29 05:00:00,712 INFO L858 garLoopResultBuilder]: For program point L1429(lines 1429 1664) no Hoare annotation was computed. [2021-08-29 05:00:00,712 INFO L858 garLoopResultBuilder]: For program point L637(lines 637 1664) no Hoare annotation was computed. [2021-08-29 05:00:00,712 INFO L858 garLoopResultBuilder]: For program point L1430(lines 1430 1440) no Hoare annotation was computed. [2021-08-29 05:00:00,712 INFO L858 garLoopResultBuilder]: For program point L1430-2(lines 1430 1440) no Hoare annotation was computed. [2021-08-29 05:00:00,712 INFO L858 garLoopResultBuilder]: For program point L1166(lines 1166 1664) no Hoare annotation was computed. [2021-08-29 05:00:00,712 INFO L858 garLoopResultBuilder]: For program point L109-1(lines 33 1666) no Hoare annotation was computed. [2021-08-29 05:00:00,712 INFO L858 garLoopResultBuilder]: For program point L1695(lines 1695 1766) no Hoare annotation was computed. [2021-08-29 05:00:00,712 INFO L858 garLoopResultBuilder]: For program point L1299(lines 1299 1664) no Hoare annotation was computed. [2021-08-29 05:00:00,713 INFO L858 garLoopResultBuilder]: For program point L110(line 110) no Hoare annotation was computed. [2021-08-29 05:00:00,713 INFO L858 garLoopResultBuilder]: For program point L771(lines 771 1664) no Hoare annotation was computed. [2021-08-29 05:00:00,713 INFO L858 garLoopResultBuilder]: For program point L1696(lines 1696 1703) no Hoare annotation was computed. [2021-08-29 05:00:00,713 INFO L858 garLoopResultBuilder]: For program point L1696-2(lines 1696 1703) no Hoare annotation was computed. [2021-08-29 05:00:00,713 INFO L858 garLoopResultBuilder]: For program point L1564(lines 1564 1664) no Hoare annotation was computed. [2021-08-29 05:00:00,713 INFO L858 garLoopResultBuilder]: For program point L507(lines 507 1664) no Hoare annotation was computed. [2021-08-29 05:00:00,713 INFO L858 garLoopResultBuilder]: For program point L1300(lines 1300 1309) no Hoare annotation was computed. [2021-08-29 05:00:00,713 INFO L858 garLoopResultBuilder]: For program point L1300-2(lines 1300 1309) no Hoare annotation was computed. [2021-08-29 05:00:00,713 INFO L858 garLoopResultBuilder]: For program point L1036(lines 1036 1664) no Hoare annotation was computed. [2021-08-29 05:00:00,714 INFO L858 garLoopResultBuilder]: For program point L244(lines 244 1664) no Hoare annotation was computed. [2021-08-29 05:00:00,714 INFO L858 garLoopResultBuilder]: For program point L112-1(lines 33 1666) no Hoare annotation was computed. [2021-08-29 05:00:00,714 INFO L858 garLoopResultBuilder]: For program point L905(lines 905 1664) no Hoare annotation was computed. [2021-08-29 05:00:00,714 INFO L858 garLoopResultBuilder]: For program point L377(lines 377 1664) no Hoare annotation was computed. [2021-08-29 05:00:00,714 INFO L858 garLoopResultBuilder]: For program point L113(line 113) no Hoare annotation was computed. [2021-08-29 05:00:00,714 INFO L858 garLoopResultBuilder]: For program point L1172(lines 1172 1664) no Hoare annotation was computed. [2021-08-29 05:00:00,715 INFO L858 garLoopResultBuilder]: For program point L115-1(lines 33 1666) no Hoare annotation was computed. [2021-08-29 05:00:00,715 INFO L858 garLoopResultBuilder]: For program point L1040(lines 1040 1664) no Hoare annotation was computed. [2021-08-29 05:00:00,715 INFO L858 garLoopResultBuilder]: For program point L644(lines 644 1664) no Hoare annotation was computed. [2021-08-29 05:00:00,716 INFO L858 garLoopResultBuilder]: For program point L1569(lines 1569 1664) no Hoare annotation was computed. [2021-08-29 05:00:00,716 INFO L858 garLoopResultBuilder]: For program point L512(lines 512 1664) no Hoare annotation was computed. [2021-08-29 05:00:00,716 INFO L858 garLoopResultBuilder]: For program point L116(line 116) no Hoare annotation was computed. [2021-08-29 05:00:00,716 INFO L858 garLoopResultBuilder]: For program point L778(lines 778 1664) no Hoare annotation was computed. [2021-08-29 05:00:00,716 INFO L858 garLoopResultBuilder]: For program point L118-1(lines 33 1666) no Hoare annotation was computed. [2021-08-29 05:00:00,716 INFO L858 garLoopResultBuilder]: For program point L911(lines 911 1664) no Hoare annotation was computed. [2021-08-29 05:00:00,716 INFO L858 garLoopResultBuilder]: For program point L1704(lines 1704 1766) no Hoare annotation was computed. [2021-08-29 05:00:00,716 INFO L858 garLoopResultBuilder]: For program point L383(lines 383 1664) no Hoare annotation was computed. [2021-08-29 05:00:00,717 INFO L858 garLoopResultBuilder]: For program point L251(lines 251 1664) no Hoare annotation was computed. [2021-08-29 05:00:00,717 INFO L858 garLoopResultBuilder]: For program point L119(line 119) no Hoare annotation was computed. [2021-08-29 05:00:00,717 INFO L858 garLoopResultBuilder]: For program point L1441(lines 1441 1664) no Hoare annotation was computed. [2021-08-29 05:00:00,717 INFO L858 garLoopResultBuilder]: For program point L1045(lines 1045 1664) no Hoare annotation was computed. [2021-08-29 05:00:00,717 INFO L858 garLoopResultBuilder]: For program point L517(lines 517 1664) no Hoare annotation was computed. [2021-08-29 05:00:00,717 INFO L858 garLoopResultBuilder]: For program point L1310(lines 1310 1664) no Hoare annotation was computed. [2021-08-29 05:00:00,718 INFO L858 garLoopResultBuilder]: For program point L1178(lines 1178 1664) no Hoare annotation was computed. [2021-08-29 05:00:00,718 INFO L858 garLoopResultBuilder]: For program point L121-1(lines 33 1666) no Hoare annotation was computed. [2021-08-29 05:00:00,718 INFO L858 garLoopResultBuilder]: For program point L122(line 122) no Hoare annotation was computed. [2021-08-29 05:00:00,718 INFO L858 garLoopResultBuilder]: For program point L651(lines 651 1664) no Hoare annotation was computed. [2021-08-29 05:00:00,718 INFO L858 garLoopResultBuilder]: For program point L1576(lines 1576 1664) no Hoare annotation was computed. [2021-08-29 05:00:00,718 INFO L858 garLoopResultBuilder]: For program point L1048(lines 1048 1664) no Hoare annotation was computed. [2021-08-29 05:00:00,719 INFO L858 garLoopResultBuilder]: For program point L784(lines 784 1664) no Hoare annotation was computed. [2021-08-29 05:00:00,719 INFO L858 garLoopResultBuilder]: For program point L652(lines 652 661) no Hoare annotation was computed. [2021-08-29 05:00:00,719 INFO L858 garLoopResultBuilder]: For program point L652-2(lines 652 661) no Hoare annotation was computed. [2021-08-29 05:00:00,719 INFO L858 garLoopResultBuilder]: For program point L124-1(lines 33 1666) no Hoare annotation was computed. [2021-08-29 05:00:00,719 INFO L858 garLoopResultBuilder]: For program point L917(lines 917 1664) no Hoare annotation was computed. [2021-08-29 05:00:00,719 INFO L858 garLoopResultBuilder]: For program point L257(lines 257 1664) no Hoare annotation was computed. [2021-08-29 05:00:00,719 INFO L858 garLoopResultBuilder]: For program point L1182(lines 1182 1664) no Hoare annotation was computed. [2021-08-29 05:00:00,719 INFO L858 garLoopResultBuilder]: For program point L125(line 125) no Hoare annotation was computed. [2021-08-29 05:00:00,720 INFO L858 garLoopResultBuilder]: For program point L1711(lines 1711 1766) no Hoare annotation was computed. [2021-08-29 05:00:00,720 INFO L858 garLoopResultBuilder]: For program point L390(lines 390 1664) no Hoare annotation was computed. [2021-08-29 05:00:00,720 INFO L858 garLoopResultBuilder]: For program point L1580(lines 1580 1664) no Hoare annotation was computed. [2021-08-29 05:00:00,720 INFO L858 garLoopResultBuilder]: For program point L1448(lines 1448 1664) no Hoare annotation was computed. [2021-08-29 05:00:00,720 INFO L858 garLoopResultBuilder]: For program point L1316(lines 1316 1664) no Hoare annotation was computed. [2021-08-29 05:00:00,720 INFO L858 garLoopResultBuilder]: For program point L127-1(lines 33 1666) no Hoare annotation was computed. [2021-08-29 05:00:00,720 INFO L858 garLoopResultBuilder]: For program point L1581(lines 1581 1591) no Hoare annotation was computed. [2021-08-29 05:00:00,720 INFO L858 garLoopResultBuilder]: For program point L524(lines 524 1664) no Hoare annotation was computed. [2021-08-29 05:00:00,721 INFO L858 garLoopResultBuilder]: For program point L1581-2(lines 1581 1591) no Hoare annotation was computed. [2021-08-29 05:00:00,721 INFO L858 garLoopResultBuilder]: For program point L1449(lines 1449 1458) no Hoare annotation was computed. [2021-08-29 05:00:00,721 INFO L858 garLoopResultBuilder]: For program point L1449-2(lines 1449 1458) no Hoare annotation was computed. [2021-08-29 05:00:00,721 INFO L858 garLoopResultBuilder]: For program point L128(line 128) no Hoare annotation was computed. [2021-08-29 05:00:00,722 INFO L858 garLoopResultBuilder]: For program point L789(lines 789 1664) no Hoare annotation was computed. [2021-08-29 05:00:00,722 INFO L858 garLoopResultBuilder]: For program point L1054(lines 1054 1664) no Hoare annotation was computed. [2021-08-29 05:00:00,722 INFO L858 garLoopResultBuilder]: For program point L922(lines 922 1664) no Hoare annotation was computed. [2021-08-29 05:00:00,723 INFO L858 garLoopResultBuilder]: For program point L394(lines 394 1664) no Hoare annotation was computed. [2021-08-29 05:00:00,723 INFO L858 garLoopResultBuilder]: For program point L130-1(lines 33 1666) no Hoare annotation was computed. [2021-08-29 05:00:00,723 INFO L858 garLoopResultBuilder]: For program point L1716(lines 1716 1766) no Hoare annotation was computed. [2021-08-29 05:00:00,723 INFO L858 garLoopResultBuilder]: For program point L263(lines 263 1664) no Hoare annotation was computed. [2021-08-29 05:00:00,723 INFO L858 garLoopResultBuilder]: For program point L1188(lines 1188 1664) no Hoare annotation was computed. [2021-08-29 05:00:00,723 INFO L858 garLoopResultBuilder]: For program point L131(line 131) no Hoare annotation was computed. [2021-08-29 05:00:00,723 INFO L858 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-08-29 05:00:00,723 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 200) no Hoare annotation was computed. [2021-08-29 05:00:00,724 INFO L858 garLoopResultBuilder]: For program point L133-1(lines 33 1666) no Hoare annotation was computed. [2021-08-29 05:00:00,724 INFO L858 garLoopResultBuilder]: For program point L1719(lines 1719 1766) no Hoare annotation was computed. [2021-08-29 05:00:00,724 INFO L858 garLoopResultBuilder]: For program point L662(lines 662 1664) no Hoare annotation was computed. [2021-08-29 05:00:00,724 INFO L858 garLoopResultBuilder]: For program point L530(lines 530 1664) no Hoare annotation was computed. [2021-08-29 05:00:00,724 INFO L858 garLoopResultBuilder]: For program point L1323(lines 1323 1664) no Hoare annotation was computed. [2021-08-29 05:00:00,724 INFO L858 garLoopResultBuilder]: For program point L134(line 134) no Hoare annotation was computed. [2021-08-29 05:00:00,724 INFO L858 garLoopResultBuilder]: For program point L1059(lines 1059 1664) no Hoare annotation was computed. [2021-08-29 05:00:00,725 INFO L858 garLoopResultBuilder]: For program point L1720(lines 1720 1731) no Hoare annotation was computed. [2021-08-29 05:00:00,725 INFO L858 garLoopResultBuilder]: For program point L1720-2(lines 1720 1731) no Hoare annotation was computed. [2021-08-29 05:00:00,725 INFO L858 garLoopResultBuilder]: For program point L531(lines 531 538) no Hoare annotation was computed. [2021-08-29 05:00:00,725 INFO L858 garLoopResultBuilder]: For program point L531-2(lines 531 538) no Hoare annotation was computed. [2021-08-29 05:00:00,725 INFO L858 garLoopResultBuilder]: For program point L1060(lines 1060 1071) no Hoare annotation was computed. [2021-08-29 05:00:00,725 INFO L858 garLoopResultBuilder]: For program point L1060-2(lines 1060 1071) no Hoare annotation was computed. [2021-08-29 05:00:00,725 INFO L858 garLoopResultBuilder]: For program point L796(lines 796 1664) no Hoare annotation was computed. [2021-08-29 05:00:00,725 INFO L858 garLoopResultBuilder]: For program point L400(lines 400 1664) no Hoare annotation was computed. [2021-08-29 05:00:00,726 INFO L858 garLoopResultBuilder]: For program point L136-1(lines 33 1666) no Hoare annotation was computed. [2021-08-29 05:00:00,726 INFO L858 garLoopResultBuilder]: For program point L929(lines 929 1664) no Hoare annotation was computed. [2021-08-29 05:00:00,726 INFO L858 garLoopResultBuilder]: For program point L401(lines 401 412) no Hoare annotation was computed. [2021-08-29 05:00:00,726 INFO L858 garLoopResultBuilder]: For program point L401-2(lines 401 412) no Hoare annotation was computed. [2021-08-29 05:00:00,726 INFO L858 garLoopResultBuilder]: For program point L1194(lines 1194 1664) no Hoare annotation was computed. [2021-08-29 05:00:00,726 INFO L858 garLoopResultBuilder]: For program point L137(line 137) no Hoare annotation was computed. [2021-08-29 05:00:00,726 INFO L858 garLoopResultBuilder]: For program point L1459(lines 1459 1664) no Hoare annotation was computed. [2021-08-29 05:00:00,727 INFO L858 garLoopResultBuilder]: For program point L1327(lines 1327 1664) no Hoare annotation was computed. [2021-08-29 05:00:00,727 INFO L858 garLoopResultBuilder]: For program point L270(lines 270 1664) no Hoare annotation was computed. [2021-08-29 05:00:00,727 INFO L858 garLoopResultBuilder]: For program point L667(lines 667 1664) no Hoare annotation was computed. [2021-08-29 05:00:00,727 INFO L858 garLoopResultBuilder]: For program point L1592(lines 1592 1664) no Hoare annotation was computed. [2021-08-29 05:00:00,727 INFO L858 garLoopResultBuilder]: For program point L139-1(lines 33 1666) no Hoare annotation was computed. [2021-08-29 05:00:00,727 INFO L858 garLoopResultBuilder]: For program point L140(line 140) no Hoare annotation was computed. [2021-08-29 05:00:00,727 INFO L858 garLoopResultBuilder]: For program point L1331(lines 1331 1664) no Hoare annotation was computed. [2021-08-29 05:00:00,727 INFO L858 garLoopResultBuilder]: For program point L142-1(lines 33 1666) no Hoare annotation was computed. [2021-08-29 05:00:00,727 INFO L858 garLoopResultBuilder]: For program point L935(lines 935 1664) no Hoare annotation was computed. [2021-08-29 05:00:00,727 INFO L858 garLoopResultBuilder]: For program point L803(lines 803 1664) no Hoare annotation was computed. [2021-08-29 05:00:00,727 INFO L858 garLoopResultBuilder]: For program point L539(lines 539 1664) no Hoare annotation was computed. [2021-08-29 05:00:00,728 INFO L858 garLoopResultBuilder]: For program point L1332(lines 1332 1342) no Hoare annotation was computed. [2021-08-29 05:00:00,728 INFO L858 garLoopResultBuilder]: For program point L1332-2(lines 1332 1342) no Hoare annotation was computed. [2021-08-29 05:00:00,728 INFO L858 garLoopResultBuilder]: For program point L1200(lines 1200 1664) no Hoare annotation was computed. [2021-08-29 05:00:00,728 INFO L858 garLoopResultBuilder]: For program point L143(line 143) no Hoare annotation was computed. [2021-08-29 05:00:00,728 INFO L858 garLoopResultBuilder]: For program point L804(lines 804 813) no Hoare annotation was computed. [2021-08-29 05:00:00,728 INFO L858 garLoopResultBuilder]: For program point L804-2(lines 804 813) no Hoare annotation was computed. [2021-08-29 05:00:00,728 INFO L858 garLoopResultBuilder]: For program point L672(lines 672 1664) no Hoare annotation was computed. [2021-08-29 05:00:00,728 INFO L858 garLoopResultBuilder]: For program point L540(lines 540 551) no Hoare annotation was computed. [2021-08-29 05:00:00,728 INFO L858 garLoopResultBuilder]: For program point L540-2(lines 540 551) no Hoare annotation was computed. [2021-08-29 05:00:00,728 INFO L858 garLoopResultBuilder]: For program point L276(lines 276 1664) no Hoare annotation was computed. [2021-08-29 05:00:00,728 INFO L858 garLoopResultBuilder]: For program point L1466(lines 1466 1664) no Hoare annotation was computed. [2021-08-29 05:00:00,728 INFO L858 garLoopResultBuilder]: For program point L145-1(lines 33 1666) no Hoare annotation was computed. [2021-08-29 05:00:00,728 INFO L858 garLoopResultBuilder]: For program point L1599(lines 1599 1664) no Hoare annotation was computed. [2021-08-29 05:00:00,728 INFO L858 garLoopResultBuilder]: For program point L146(line 146) no Hoare annotation was computed. [2021-08-29 05:00:00,728 INFO L858 garLoopResultBuilder]: For program point L1732(lines 1732 1766) no Hoare annotation was computed. [2021-08-29 05:00:00,728 INFO L858 garLoopResultBuilder]: For program point L1072(lines 1072 1664) no Hoare annotation was computed. [2021-08-29 05:00:00,728 INFO L858 garLoopResultBuilder]: For program point L940(lines 940 1664) no Hoare annotation was computed. [2021-08-29 05:00:00,728 INFO L858 garLoopResultBuilder]: For program point L148-1(lines 33 1666) no Hoare annotation was computed. [2021-08-29 05:00:00,729 INFO L858 garLoopResultBuilder]: For program point L1073(lines 1073 1083) no Hoare annotation was computed. [2021-08-29 05:00:00,729 INFO L858 garLoopResultBuilder]: For program point L1073-2(lines 1073 1083) no Hoare annotation was computed. [2021-08-29 05:00:00,729 INFO L858 garLoopResultBuilder]: For program point L413(lines 413 1664) no Hoare annotation was computed. [2021-08-29 05:00:00,729 INFO L858 garLoopResultBuilder]: For program point L149(line 149) no Hoare annotation was computed. [2021-08-29 05:00:00,729 INFO L858 garLoopResultBuilder]: For program point L678(lines 678 1664) no Hoare annotation was computed. [2021-08-29 05:00:00,729 INFO L858 garLoopResultBuilder]: For program point L1471(lines 1471 1664) no Hoare annotation was computed. [2021-08-29 05:00:00,729 INFO L858 garLoopResultBuilder]: For program point L1207(lines 1207 1664) no Hoare annotation was computed. [2021-08-29 05:00:00,729 INFO L858 garLoopResultBuilder]: For program point L283(lines 283 1664) no Hoare annotation was computed. [2021-08-29 05:00:00,729 INFO L858 garLoopResultBuilder]: For program point L151-1(lines 33 1666) no Hoare annotation was computed. [2021-08-29 05:00:00,729 INFO L858 garLoopResultBuilder]: For program point L1605(lines 1605 1664) no Hoare annotation was computed. [2021-08-29 05:00:00,729 INFO L858 garLoopResultBuilder]: For program point L152(line 152) no Hoare annotation was computed. [2021-08-29 05:00:00,730 INFO L858 garLoopResultBuilder]: For program point L945(lines 945 1664) no Hoare annotation was computed. [2021-08-29 05:00:00,730 INFO L858 garLoopResultBuilder]: For program point L814(lines 814 1664) no Hoare annotation was computed. [2021-08-29 05:00:00,730 INFO L858 garLoopResultBuilder]: For program point L1739(lines 1739 1766) no Hoare annotation was computed. [2021-08-29 05:00:00,730 INFO L858 garLoopResultBuilder]: For program point L418(lines 418 1664) no Hoare annotation was computed. [2021-08-29 05:00:00,730 INFO L858 garLoopResultBuilder]: For program point L1343(lines 1343 1664) no Hoare annotation was computed. [2021-08-29 05:00:00,730 INFO L858 garLoopResultBuilder]: For program point L154-1(lines 33 1666) no Hoare annotation was computed. [2021-08-29 05:00:00,730 INFO L858 garLoopResultBuilder]: For program point L1476(lines 1476 1664) no Hoare annotation was computed. [2021-08-29 05:00:00,730 INFO L858 garLoopResultBuilder]: For program point L155(line 155) no Hoare annotation was computed. [2021-08-29 05:00:00,730 INFO L858 garLoopResultBuilder]: For program point L552(lines 552 1664) no Hoare annotation was computed. [2021-08-29 05:00:00,730 INFO L858 garLoopResultBuilder]: For program point L288(lines 288 1664) no Hoare annotation was computed. [2021-08-29 05:00:00,730 INFO L858 garLoopResultBuilder]: For program point L1213(lines 1213 1664) no Hoare annotation was computed. [2021-08-29 05:00:00,730 INFO L858 garLoopResultBuilder]: For program point L685(lines 685 1664) no Hoare annotation was computed. [2021-08-29 05:00:00,730 INFO L858 garLoopResultBuilder]: For program point L157-1(lines 33 1666) no Hoare annotation was computed. [2021-08-29 05:00:00,730 INFO L858 garLoopResultBuilder]: For program point L158(line 158) no Hoare annotation was computed. [2021-08-29 05:00:00,730 INFO L858 garLoopResultBuilder]: For program point L1612(lines 1612 1664) no Hoare annotation was computed. [2021-08-29 05:00:00,730 INFO L858 garLoopResultBuilder]: For program point L1348(lines 1348 1664) no Hoare annotation was computed. [2021-08-29 05:00:00,730 INFO L858 garLoopResultBuilder]: For program point L1084(lines 1084 1664) no Hoare annotation was computed. [2021-08-29 05:00:00,730 INFO L858 garLoopResultBuilder]: For program point L952(lines 952 1664) no Hoare annotation was computed. [2021-08-29 05:00:00,730 INFO L858 garLoopResultBuilder]: For program point L1745(lines 1745 1766) no Hoare annotation was computed. [2021-08-29 05:00:00,731 INFO L858 garLoopResultBuilder]: For program point L556(lines 556 1664) no Hoare annotation was computed. [2021-08-29 05:00:00,731 INFO L858 garLoopResultBuilder]: For program point L160-1(lines 33 1666) no Hoare annotation was computed. [2021-08-29 05:00:00,731 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-08-29 05:00:00,731 INFO L858 garLoopResultBuilder]: For program point L821(lines 821 1664) no Hoare annotation was computed. [2021-08-29 05:00:00,731 INFO L858 garLoopResultBuilder]: For program point L557(lines 557 566) no Hoare annotation was computed. [2021-08-29 05:00:00,731 INFO L858 garLoopResultBuilder]: For program point L557-2(lines 557 566) no Hoare annotation was computed. [2021-08-29 05:00:00,731 INFO L858 garLoopResultBuilder]: For program point L425(lines 425 1664) no Hoare annotation was computed. [2021-08-29 05:00:00,731 INFO L858 garLoopResultBuilder]: For program point L1218(lines 1218 1664) no Hoare annotation was computed. [2021-08-29 05:00:00,731 INFO L858 garLoopResultBuilder]: For program point L161(line 161) no Hoare annotation was computed. [2021-08-29 05:00:00,731 INFO L858 garLoopResultBuilder]: For program point L1483(lines 1483 1664) no Hoare annotation was computed. [2021-08-29 05:00:00,731 INFO L858 garLoopResultBuilder]: For program point L691(lines 691 1664) no Hoare annotation was computed. [2021-08-29 05:00:00,731 INFO L858 garLoopResultBuilder]: For program point L1616(lines 1616 1664) no Hoare annotation was computed. [2021-08-29 05:00:00,731 INFO L858 garLoopResultBuilder]: For program point L295(lines 295 1664) no Hoare annotation was computed. [2021-08-29 05:00:00,731 INFO L858 garLoopResultBuilder]: For program point L163-1(lines 33 1666) no Hoare annotation was computed. [2021-08-29 05:00:00,731 INFO L858 garLoopResultBuilder]: For program point L164(line 164) no Hoare annotation was computed. [2021-08-29 05:00:00,731 INFO L858 garLoopResultBuilder]: For program point L1354(lines 1354 1664) no Hoare annotation was computed. [2021-08-29 05:00:00,731 INFO L858 garLoopResultBuilder]: For program point L1222(lines 1222 1664) no Hoare annotation was computed. [2021-08-29 05:00:00,731 INFO L858 garLoopResultBuilder]: For program point L958(lines 958 1664) no Hoare annotation was computed. [2021-08-29 05:00:00,732 INFO L858 garLoopResultBuilder]: For program point L166-1(lines 33 1666) no Hoare annotation was computed. [2021-08-29 05:00:00,732 INFO L858 garLoopResultBuilder]: For program point L1091(lines 1091 1664) no Hoare annotation was computed. [2021-08-29 05:00:00,732 INFO L858 garLoopResultBuilder]: For program point L34(lines 34 36) no Hoare annotation was computed. [2021-08-29 05:00:00,732 INFO L858 garLoopResultBuilder]: For program point L34-2(lines 33 1666) no Hoare annotation was computed. [2021-08-29 05:00:00,732 INFO L858 garLoopResultBuilder]: For program point L827(lines 827 1664) no Hoare annotation was computed. [2021-08-29 05:00:00,732 INFO L858 garLoopResultBuilder]: For program point L1752(lines 1752 1766) no Hoare annotation was computed. [2021-08-29 05:00:00,732 INFO L858 garLoopResultBuilder]: For program point L1488(lines 1488 1664) no Hoare annotation was computed. [2021-08-29 05:00:00,732 INFO L858 garLoopResultBuilder]: For program point L167(line 167) no Hoare annotation was computed. [2021-08-29 05:00:00,732 INFO L858 garLoopResultBuilder]: For program point L35(line 35) no Hoare annotation was computed. [2021-08-29 05:00:00,732 INFO L858 garLoopResultBuilder]: For program point L432(lines 432 1664) no Hoare annotation was computed. [2021-08-29 05:00:00,732 INFO L858 garLoopResultBuilder]: For program point L697(lines 697 1664) no Hoare annotation was computed. [2021-08-29 05:00:00,732 INFO L858 garLoopResultBuilder]: For program point L1622(lines 1622 1664) no Hoare annotation was computed. [2021-08-29 05:00:00,732 INFO L858 garLoopResultBuilder]: For program point L169-1(lines 33 1666) no Hoare annotation was computed. [2021-08-29 05:00:00,732 INFO L858 garLoopResultBuilder]: For program point L37-1(lines 33 1666) no Hoare annotation was computed. [2021-08-29 05:00:00,732 INFO L858 garLoopResultBuilder]: For program point L1623(lines 1623 1632) no Hoare annotation was computed. [2021-08-29 05:00:00,732 INFO L858 garLoopResultBuilder]: For program point L1623-2(lines 1623 1632) no Hoare annotation was computed. [2021-08-29 05:00:00,738 INFO L858 garLoopResultBuilder]: For program point L302(lines 302 1664) no Hoare annotation was computed. [2021-08-29 05:00:00,738 INFO L858 garLoopResultBuilder]: For program point L170(line 170) no Hoare annotation was computed. [2021-08-29 05:00:00,738 INFO L858 garLoopResultBuilder]: For program point L38(line 38) no Hoare annotation was computed. [2021-08-29 05:00:00,738 INFO L858 garLoopResultBuilder]: For program point L567(lines 567 1664) no Hoare annotation was computed. [2021-08-29 05:00:00,738 INFO L858 garLoopResultBuilder]: For program point L1492(lines 1492 1664) no Hoare annotation was computed. [2021-08-29 05:00:00,738 INFO L858 garLoopResultBuilder]: For program point L1360(lines 1360 1664) no Hoare annotation was computed. [2021-08-29 05:00:00,739 INFO L858 garLoopResultBuilder]: For program point L1228(lines 1228 1664) no Hoare annotation was computed. [2021-08-29 05:00:00,739 INFO L858 garLoopResultBuilder]: For program point L1096(lines 1096 1664) no Hoare annotation was computed. [2021-08-29 05:00:00,739 INFO L858 garLoopResultBuilder]: For program point L568(lines 568 578) no Hoare annotation was computed. [2021-08-29 05:00:00,739 INFO L858 garLoopResultBuilder]: For program point L568-2(lines 568 578) no Hoare annotation was computed. [2021-08-29 05:00:00,739 INFO L858 garLoopResultBuilder]: For program point L1361(lines 1361 1368) no Hoare annotation was computed. [2021-08-29 05:00:00,739 INFO L858 garLoopResultBuilder]: For program point L1361-2(lines 1361 1368) no Hoare annotation was computed. [2021-08-29 05:00:00,739 INFO L858 garLoopResultBuilder]: For program point L172-1(lines 33 1666) no Hoare annotation was computed. [2021-08-29 05:00:00,739 INFO L858 garLoopResultBuilder]: For program point L40-1(lines 33 1666) no Hoare annotation was computed. [2021-08-29 05:00:00,739 INFO L858 garLoopResultBuilder]: For program point L965(lines 965 1664) no Hoare annotation was computed. [2021-08-29 05:00:00,739 INFO L858 garLoopResultBuilder]: For program point L173(line 173) no Hoare annotation was computed. [2021-08-29 05:00:00,739 INFO L858 garLoopResultBuilder]: For program point L41(line 41) no Hoare annotation was computed. [2021-08-29 05:00:00,739 INFO L858 garLoopResultBuilder]: For program point L834(lines 834 1664) no Hoare annotation was computed. [2021-08-29 05:00:00,739 INFO L858 garLoopResultBuilder]: For program point L1759(lines 1759 1766) no Hoare annotation was computed. [2021-08-29 05:00:00,739 INFO L858 garLoopResultBuilder]: For program point L438(lines 438 1664) no Hoare annotation was computed. [2021-08-29 05:00:00,739 INFO L858 garLoopResultBuilder]: For program point L703(lines 703 1664) no Hoare annotation was computed. [2021-08-29 05:00:00,739 INFO L858 garLoopResultBuilder]: For program point L175-1(lines 33 1666) no Hoare annotation was computed. [2021-08-29 05:00:00,739 INFO L858 garLoopResultBuilder]: For program point L43-1(lines 33 1666) no Hoare annotation was computed. [2021-08-29 05:00:00,740 INFO L858 garLoopResultBuilder]: For program point L704(lines 704 716) no Hoare annotation was computed. [2021-08-29 05:00:00,740 INFO L858 garLoopResultBuilder]: For program point L704-2(lines 704 716) no Hoare annotation was computed. [2021-08-29 05:00:00,740 INFO L858 garLoopResultBuilder]: For program point L176(line 176) no Hoare annotation was computed. [2021-08-29 05:00:00,740 INFO L858 garLoopResultBuilder]: For program point L1101(lines 1101 1664) no Hoare annotation was computed. [2021-08-29 05:00:00,740 INFO L858 garLoopResultBuilder]: For program point L44(line 44) no Hoare annotation was computed. [2021-08-29 05:00:00,740 INFO L858 garLoopResultBuilder]: For program point L969(lines 969 1664) no Hoare annotation was computed. [2021-08-29 05:00:00,740 INFO L858 garLoopResultBuilder]: For program point L1498(lines 1498 1664) no Hoare annotation was computed. [2021-08-29 05:00:00,740 INFO L858 garLoopResultBuilder]: For program point L309(lines 309 1664) no Hoare annotation was computed. [2021-08-29 05:00:00,740 INFO L858 garLoopResultBuilder]: For program point L1234(lines 1234 1664) no Hoare annotation was computed. [2021-08-29 05:00:00,740 INFO L858 garLoopResultBuilder]: For program point L178-1(lines 33 1666) no Hoare annotation was computed. [2021-08-29 05:00:00,741 INFO L858 garLoopResultBuilder]: For program point L46-1(lines 33 1666) no Hoare annotation was computed. [2021-08-29 05:00:00,741 INFO L858 garLoopResultBuilder]: For program point L839(lines 839 1664) no Hoare annotation was computed. [2021-08-29 05:00:00,741 INFO L858 garLoopResultBuilder]: For program point L443(lines 443 1664) no Hoare annotation was computed. [2021-08-29 05:00:00,741 INFO L858 garLoopResultBuilder]: For program point L179(line 179) no Hoare annotation was computed. [2021-08-29 05:00:00,742 INFO L858 garLoopResultBuilder]: For program point L47(line 47) no Hoare annotation was computed. [2021-08-29 05:00:00,742 INFO L858 garLoopResultBuilder]: For program point L840(lines 840 849) no Hoare annotation was computed. [2021-08-29 05:00:00,742 INFO L858 garLoopResultBuilder]: For program point L840-2(lines 840 849) no Hoare annotation was computed. [2021-08-29 05:00:00,742 INFO L858 garLoopResultBuilder]: For program point L1633(lines 1633 1664) no Hoare annotation was computed. [2021-08-29 05:00:00,742 INFO L858 garLoopResultBuilder]: For program point L1369(lines 1369 1664) no Hoare annotation was computed. [2021-08-29 05:00:00,742 INFO L858 garLoopResultBuilder]: For program point L181-1(lines 33 1666) no Hoare annotation was computed. [2021-08-29 05:00:00,742 INFO L858 garLoopResultBuilder]: For program point L49-1(lines 33 1666) no Hoare annotation was computed. [2021-08-29 05:00:00,743 INFO L854 garLoopResultBuilder]: At program point L1767(lines 1668 1768) the Hoare annotation is: (let ((.cse16 (+ ~a4~0 86)) (.cse4 (+ ~a29~0 127))) (let ((.cse11 (<= (+ ~a0~0 99) 0)) (.cse6 (<= .cse4 0)) (.cse13 (< 43 ~a29~0)) (.cse0 (= 2 ~a2~0)) (.cse5 (= ~a2~0 1)) (.cse7 (<= (+ ~a0~0 147) 0)) (.cse9 (< 0 (+ ~a29~0 16))) (.cse10 (= 3 ~a2~0)) (.cse2 (<= (+ ~a0~0 61) 0)) (.cse1 (<= (+ 89 ~a4~0) 0)) (.cse15 (= ~a2~0 4)) (.cse12 (< 0 .cse16)) (.cse14 (<= (+ 98 ~a0~0) 0)) (.cse8 (<= 5 ~a2~0)) (.cse3 (< 0 (+ ~a29~0 600144)))) (or (and .cse0 .cse1 .cse2) (and .cse0 .cse1 .cse3) (and (<= 0 .cse4) .cse1 .cse5 (<= 0 (+ 44 ~a0~0)) .cse6) (and .cse1 .cse7 .cse8) (and .cse1 .cse5 .cse2) (and .cse1 .cse9 .cse10) (and .cse11 .cse9 .cse10) (and .cse12 .cse13 .cse14 .cse15) (and .cse5 (<= .cse16 0) .cse6 .cse2) (and .cse13 .cse14 .cse8) (and .cse12 .cse0 .cse11 .cse9) (and (<= 0 (+ 97 ~a0~0)) .cse1 .cse8 .cse2) (and .cse1 .cse3 .cse10 .cse6) (and .cse1 .cse8 .cse9) (and .cse7 .cse3 .cse15) (and .cse1 .cse15 .cse2) (and .cse3 (let ((.cse17 (<= ~a29~0 401234))) (or (and .cse12 .cse5 .cse17) (and .cse5 .cse17 .cse2)))) (and .cse12 .cse0 (<= 0 (+ ~a29~0 3)) .cse14) (and .cse13 .cse0 .cse14) (and .cse14 .cse5 .cse3) (and .cse7 .cse3 .cse10) (and .cse12 .cse8 .cse9 .cse2) (and .cse1 .cse10 .cse2) (and .cse1 .cse3 .cse15) (and .cse12 .cse14 .cse8 .cse3)))) [2021-08-29 05:00:00,743 INFO L858 garLoopResultBuilder]: For program point L182(line 182) no Hoare annotation was computed. [2021-08-29 05:00:00,743 INFO L858 garLoopResultBuilder]: For program point L50(line 50) no Hoare annotation was computed. [2021-08-29 05:00:00,743 INFO L858 garLoopResultBuilder]: For program point L579(lines 579 1664) no Hoare annotation was computed. [2021-08-29 05:00:00,743 INFO L858 garLoopResultBuilder]: For program point L1504(lines 1504 1664) no Hoare annotation was computed. [2021-08-29 05:00:00,743 INFO L858 garLoopResultBuilder]: For program point L1108(lines 1108 1664) no Hoare annotation was computed. [2021-08-29 05:00:00,743 INFO L858 garLoopResultBuilder]: For program point L976(lines 976 1664) no Hoare annotation was computed. [2021-08-29 05:00:00,743 INFO L858 garLoopResultBuilder]: For program point L316(lines 316 1664) no Hoare annotation was computed. [2021-08-29 05:00:00,743 INFO L858 garLoopResultBuilder]: For program point L1241(lines 1241 1664) no Hoare annotation was computed. [2021-08-29 05:00:00,743 INFO L858 garLoopResultBuilder]: For program point L184-1(lines 33 1666) no Hoare annotation was computed. [2021-08-29 05:00:00,743 INFO L858 garLoopResultBuilder]: For program point L1109(lines 1109 1117) no Hoare annotation was computed. [2021-08-29 05:00:00,743 INFO L858 garLoopResultBuilder]: For program point L52-1(lines 33 1666) no Hoare annotation was computed. [2021-08-29 05:00:00,743 INFO L858 garLoopResultBuilder]: For program point L1109-2(lines 1109 1117) no Hoare annotation was computed. [2021-08-29 05:00:00,743 INFO L861 garLoopResultBuilder]: At program point L1770(lines 1770 1786) the Hoare annotation is: true [2021-08-29 05:00:00,743 INFO L858 garLoopResultBuilder]: For program point L449(lines 449 1664) no Hoare annotation was computed. [2021-08-29 05:00:00,743 INFO L858 garLoopResultBuilder]: For program point L317(lines 317 329) no Hoare annotation was computed. [2021-08-29 05:00:00,744 INFO L858 garLoopResultBuilder]: For program point L317-2(lines 317 329) no Hoare annotation was computed. [2021-08-29 05:00:00,744 INFO L858 garLoopResultBuilder]: For program point L185(line 185) no Hoare annotation was computed. [2021-08-29 05:00:00,744 INFO L858 garLoopResultBuilder]: For program point L53(line 53) no Hoare annotation was computed. [2021-08-29 05:00:00,744 INFO L858 garLoopResultBuilder]: For program point L1639(lines 1639 1664) no Hoare annotation was computed. [2021-08-29 05:00:00,744 INFO L858 garLoopResultBuilder]: For program point L1375(lines 1375 1664) no Hoare annotation was computed. [2021-08-29 05:00:00,744 INFO L858 garLoopResultBuilder]: For program point L187-1(lines 33 1666) no Hoare annotation was computed. [2021-08-29 05:00:00,744 INFO L858 garLoopResultBuilder]: For program point L55-1(lines 33 1666) no Hoare annotation was computed. [2021-08-29 05:00:00,744 INFO L858 garLoopResultBuilder]: For program point L584(lines 584 1664) no Hoare annotation was computed. [2021-08-29 05:00:00,744 INFO L858 garLoopResultBuilder]: For program point L188(line 188) no Hoare annotation was computed. [2021-08-29 05:00:00,744 INFO L858 garLoopResultBuilder]: For program point L56(line 56) no Hoare annotation was computed. [2021-08-29 05:00:00,744 INFO L858 garLoopResultBuilder]: For program point L717(lines 717 1664) no Hoare annotation was computed. [2021-08-29 05:00:00,744 INFO L858 garLoopResultBuilder]: For program point L585(lines 585 596) no Hoare annotation was computed. [2021-08-29 05:00:00,744 INFO L858 garLoopResultBuilder]: For program point L585-2(lines 585 596) no Hoare annotation was computed. [2021-08-29 05:00:00,744 INFO L858 garLoopResultBuilder]: For program point L850(lines 850 1664) no Hoare annotation was computed. [2021-08-29 05:00:00,744 INFO L858 garLoopResultBuilder]: For program point L1511(lines 1511 1664) no Hoare annotation was computed. [2021-08-29 05:00:00,744 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-08-29 05:00:00,744 INFO L858 garLoopResultBuilder]: For program point L1247(lines 1247 1664) no Hoare annotation was computed. [2021-08-29 05:00:00,744 INFO L858 garLoopResultBuilder]: For program point L190-1(lines 33 1666) no Hoare annotation was computed. [2021-08-29 05:00:00,745 INFO L858 garLoopResultBuilder]: For program point L58-1(lines 33 1666) no Hoare annotation was computed. [2021-08-29 05:00:00,745 INFO L858 garLoopResultBuilder]: For program point L983(lines 983 1664) no Hoare annotation was computed. [2021-08-29 05:00:00,745 INFO L854 garLoopResultBuilder]: At program point L1776-2(lines 1776 1785) the Hoare annotation is: (let ((.cse17 (+ ~a4~0 86)) (.cse4 (+ ~a29~0 127))) (let ((.cse11 (<= (+ ~a0~0 99) 0)) (.cse6 (<= .cse4 0)) (.cse13 (< 43 ~a29~0)) (.cse0 (= 2 ~a2~0)) (.cse5 (= ~a2~0 1)) (.cse7 (<= (+ ~a0~0 147) 0)) (.cse9 (< 0 (+ ~a29~0 16))) (.cse10 (= 3 ~a2~0)) (.cse2 (<= (+ ~a0~0 61) 0)) (.cse1 (<= (+ 89 ~a4~0) 0)) (.cse15 (= ~a2~0 4)) (.cse12 (< 0 .cse17)) (.cse14 (<= (+ 98 ~a0~0) 0)) (.cse8 (<= 5 ~a2~0)) (.cse3 (< 0 (+ ~a29~0 600144)))) (or (and .cse0 .cse1 .cse2) (and .cse0 .cse1 .cse3) (and (<= 0 .cse4) .cse1 .cse5 (<= 0 (+ 44 ~a0~0)) .cse6) (and .cse1 .cse7 .cse8) (and .cse1 .cse5 .cse2) (and .cse1 .cse9 .cse10) (and .cse11 .cse9 .cse10) (and .cse12 .cse13 .cse14 .cse15) (and .cse13 .cse14 .cse8) (and .cse12 .cse0 .cse11 .cse9) (and (<= 0 (+ 97 ~a0~0)) .cse1 .cse8 .cse2) (and .cse1 .cse3 .cse10 .cse6) (and .cse1 .cse8 .cse9) (and .cse7 .cse3 .cse15) (and .cse1 .cse15 .cse2) (and .cse3 (let ((.cse16 (<= ~a29~0 401234))) (or (and .cse12 .cse5 .cse16) (and .cse5 .cse16 .cse2)))) (and .cse5 (<= .cse17 0) (<= (+ ~a29~0 144) 0)) (and .cse12 .cse0 (<= 0 (+ ~a29~0 3)) .cse14) (and .cse13 .cse0 .cse14) (and .cse14 .cse5 .cse3) (and .cse7 .cse3 .cse10) (and .cse12 .cse8 .cse9 .cse2) (and .cse1 .cse10 .cse2) (and .cse1 .cse3 .cse15) (and .cse12 .cse14 .cse8 .cse3)))) [2021-08-29 05:00:00,745 INFO L858 garLoopResultBuilder]: For program point L455(lines 455 1664) no Hoare annotation was computed. [2021-08-29 05:00:00,745 INFO L858 garLoopResultBuilder]: For program point L191(line 191) no Hoare annotation was computed. [2021-08-29 05:00:00,745 INFO L858 garLoopResultBuilder]: For program point L59(line 59) no Hoare annotation was computed. [2021-08-29 05:00:00,745 INFO L858 garLoopResultBuilder]: For program point L1645(lines 1645 1664) no Hoare annotation was computed. [2021-08-29 05:00:00,745 INFO L858 garLoopResultBuilder]: For program point L1381(lines 1381 1664) no Hoare annotation was computed. [2021-08-29 05:00:00,745 INFO L858 garLoopResultBuilder]: For program point L193-1(lines 33 1666) no Hoare annotation was computed. [2021-08-29 05:00:00,745 INFO L858 garLoopResultBuilder]: For program point L1118(lines 1118 1664) no Hoare annotation was computed. [2021-08-29 05:00:00,745 INFO L858 garLoopResultBuilder]: For program point L61-1(lines 33 1666) no Hoare annotation was computed. [2021-08-29 05:00:00,745 INFO L858 garLoopResultBuilder]: For program point L722(lines 722 1664) no Hoare annotation was computed. [2021-08-29 05:00:00,745 INFO L858 garLoopResultBuilder]: For program point L194(line 194) no Hoare annotation was computed. [2021-08-29 05:00:00,745 INFO L858 garLoopResultBuilder]: For program point L62(line 62) no Hoare annotation was computed. [2021-08-29 05:00:00,745 INFO L858 garLoopResultBuilder]: For program point L855(lines 855 1664) no Hoare annotation was computed. [2021-08-29 05:00:00,745 INFO L858 garLoopResultBuilder]: For program point L459(lines 459 1664) no Hoare annotation was computed. [2021-08-29 05:00:00,745 INFO L858 garLoopResultBuilder]: For program point L1781(line 1781) no Hoare annotation was computed. [2021-08-29 05:00:00,746 INFO L858 garLoopResultBuilder]: For program point L1253(lines 1253 1664) no Hoare annotation was computed. [2021-08-29 05:00:00,746 INFO L858 garLoopResultBuilder]: For program point L196-1(lines 33 1666) no Hoare annotation was computed. [2021-08-29 05:00:00,746 INFO L858 garLoopResultBuilder]: For program point L64-1(lines 33 1666) no Hoare annotation was computed. [2021-08-29 05:00:00,746 INFO L858 garLoopResultBuilder]: For program point L989(lines 989 1664) no Hoare annotation was computed. [2021-08-29 05:00:00,746 INFO L858 garLoopResultBuilder]: For program point L1650(lines 1650 1664) no Hoare annotation was computed. [2021-08-29 05:00:00,746 INFO L858 garLoopResultBuilder]: For program point L1518(lines 1518 1664) no Hoare annotation was computed. [2021-08-29 05:00:00,746 INFO L858 garLoopResultBuilder]: For program point L197(line 197) no Hoare annotation was computed. [2021-08-29 05:00:00,746 INFO L858 garLoopResultBuilder]: For program point L65(line 65) no Hoare annotation was computed. [2021-08-29 05:00:00,746 INFO L858 garLoopResultBuilder]: For program point L330(lines 330 1664) no Hoare annotation was computed. [2021-08-29 05:00:00,746 INFO L858 garLoopResultBuilder]: For program point L1388(lines 1388 1664) no Hoare annotation was computed. [2021-08-29 05:00:00,746 INFO L858 garLoopResultBuilder]: For program point L199-1(lines 33 1666) no Hoare annotation was computed. [2021-08-29 05:00:00,746 INFO L858 garLoopResultBuilder]: For program point L67-1(lines 33 1666) no Hoare annotation was computed. [2021-08-29 05:00:00,746 INFO L858 garLoopResultBuilder]: For program point L728(lines 728 1664) no Hoare annotation was computed. [2021-08-29 05:00:00,746 INFO L858 garLoopResultBuilder]: For program point L1521(lines 1521 1664) no Hoare annotation was computed. [2021-08-29 05:00:00,746 INFO L858 garLoopResultBuilder]: For program point L200(line 200) no Hoare annotation was computed. [2021-08-29 05:00:00,746 INFO L858 garLoopResultBuilder]: For program point L1125(lines 1125 1664) no Hoare annotation was computed. [2021-08-29 05:00:00,746 INFO L858 garLoopResultBuilder]: For program point L68(line 68) no Hoare annotation was computed. [2021-08-29 05:00:00,746 INFO L858 garLoopResultBuilder]: For program point L861(lines 861 1664) no Hoare annotation was computed. [2021-08-29 05:00:00,747 INFO L858 garLoopResultBuilder]: For program point L597(lines 597 1664) no Hoare annotation was computed. [2021-08-29 05:00:00,747 INFO L858 garLoopResultBuilder]: For program point L466(lines 466 1664) no Hoare annotation was computed. [2021-08-29 05:00:00,747 INFO L858 garLoopResultBuilder]: For program point L1259(lines 1259 1664) no Hoare annotation was computed. [2021-08-29 05:00:00,747 INFO L858 garLoopResultBuilder]: For program point L202-1(lines 33 1666) no Hoare annotation was computed. [2021-08-29 05:00:00,747 INFO L858 garLoopResultBuilder]: For program point L70-1(lines 33 1666) no Hoare annotation was computed. [2021-08-29 05:00:00,747 INFO L858 garLoopResultBuilder]: For program point L995(lines 995 1664) no Hoare annotation was computed. [2021-08-29 05:00:00,747 INFO L858 garLoopResultBuilder]: For program point L203(line 203) no Hoare annotation was computed. [2021-08-29 05:00:00,747 INFO L858 garLoopResultBuilder]: For program point L71(line 71) no Hoare annotation was computed. [2021-08-29 05:00:00,747 INFO L858 garLoopResultBuilder]: For program point L1657(lines 1657 1664) no Hoare annotation was computed. [2021-08-29 05:00:00,747 INFO L858 garLoopResultBuilder]: For program point L865(lines 865 1664) no Hoare annotation was computed. [2021-08-29 05:00:00,747 INFO L858 garLoopResultBuilder]: For program point L1526(lines 1526 1664) no Hoare annotation was computed. [2021-08-29 05:00:00,747 INFO L858 garLoopResultBuilder]: For program point L337(lines 337 1664) no Hoare annotation was computed. [2021-08-29 05:00:00,747 INFO L858 garLoopResultBuilder]: For program point L205-1(lines 33 1666) no Hoare annotation was computed. [2021-08-29 05:00:00,747 INFO L858 garLoopResultBuilder]: For program point L73-1(lines 33 1666) no Hoare annotation was computed. [2021-08-29 05:00:00,747 INFO L858 garLoopResultBuilder]: For program point L1395(lines 1395 1664) no Hoare annotation was computed. [2021-08-29 05:00:00,747 INFO L858 garLoopResultBuilder]: For program point L206(line 206) no Hoare annotation was computed. [2021-08-29 05:00:00,747 INFO L858 garLoopResultBuilder]: For program point L74(line 74) no Hoare annotation was computed. [2021-08-29 05:00:00,747 INFO L858 garLoopResultBuilder]: For program point L735(lines 735 1664) no Hoare annotation was computed. [2021-08-29 05:00:00,747 INFO L858 garLoopResultBuilder]: For program point L1132(lines 1132 1664) no Hoare annotation was computed. [2021-08-29 05:00:00,748 INFO L858 garLoopResultBuilder]: For program point L604(lines 604 1664) no Hoare annotation was computed. [2021-08-29 05:00:00,748 INFO L858 garLoopResultBuilder]: For program point L472(lines 472 1664) no Hoare annotation was computed. [2021-08-29 05:00:00,748 INFO L858 garLoopResultBuilder]: For program point L1265(lines 1265 1664) no Hoare annotation was computed. [2021-08-29 05:00:00,748 INFO L858 garLoopResultBuilder]: For program point L208-1(lines 33 1666) no Hoare annotation was computed. [2021-08-29 05:00:00,748 INFO L858 garLoopResultBuilder]: For program point L76-1(lines 33 1666) no Hoare annotation was computed. [2021-08-29 05:00:00,748 INFO L858 garLoopResultBuilder]: For program point L605(lines 605 615) no Hoare annotation was computed. [2021-08-29 05:00:00,748 INFO L858 garLoopResultBuilder]: For program point L605-2(lines 605 615) no Hoare annotation was computed. [2021-08-29 05:00:00,748 INFO L858 garLoopResultBuilder]: For program point L1398(lines 1398 1664) no Hoare annotation was computed. [2021-08-29 05:00:00,748 INFO L858 garLoopResultBuilder]: For program point L209(line 209) no Hoare annotation was computed. [2021-08-29 05:00:00,748 INFO L858 garLoopResultBuilder]: For program point L77(line 77) no Hoare annotation was computed. [2021-08-29 05:00:00,748 INFO L858 garLoopResultBuilder]: For program point L1002(lines 1002 1664) no Hoare annotation was computed. [2021-08-29 05:00:00,748 INFO L858 garLoopResultBuilder]: For program point L1532(lines 1532 1664) no Hoare annotation was computed. [2021-08-29 05:00:00,748 INFO L858 garLoopResultBuilder]: For program point L343(lines 343 1664) no Hoare annotation was computed. [2021-08-29 05:00:00,748 INFO L858 garLoopResultBuilder]: For program point L211-1(lines 33 1666) no Hoare annotation was computed. [2021-08-29 05:00:00,748 INFO L858 garLoopResultBuilder]: For program point L79-1(lines 33 1666) no Hoare annotation was computed. [2021-08-29 05:00:00,748 INFO L858 garLoopResultBuilder]: For program point L872(lines 872 1664) no Hoare annotation was computed. [2021-08-29 05:00:00,748 INFO L854 garLoopResultBuilder]: At program point L1665(lines 33 1666) the Hoare annotation is: (let ((.cse17 (+ ~a4~0 86)) (.cse4 (+ ~a29~0 127))) (let ((.cse11 (<= (+ ~a0~0 99) 0)) (.cse6 (<= .cse4 0)) (.cse13 (< 43 ~a29~0)) (.cse0 (= 2 ~a2~0)) (.cse5 (= ~a2~0 1)) (.cse7 (<= (+ ~a0~0 147) 0)) (.cse9 (< 0 (+ ~a29~0 16))) (.cse10 (= 3 ~a2~0)) (.cse2 (<= (+ ~a0~0 61) 0)) (.cse1 (<= (+ 89 ~a4~0) 0)) (.cse15 (= ~a2~0 4)) (.cse12 (< 0 .cse17)) (.cse14 (<= (+ 98 ~a0~0) 0)) (.cse8 (<= 5 ~a2~0)) (.cse3 (< 0 (+ ~a29~0 600144)))) (or (and .cse0 .cse1 .cse2) (and .cse0 .cse1 .cse3) (and (<= 0 .cse4) .cse1 .cse5 (<= 0 (+ 44 ~a0~0)) .cse6) (and .cse1 .cse7 .cse8) (and .cse1 .cse5 .cse2) (and .cse1 .cse9 .cse10) (and .cse11 .cse9 .cse10) (and .cse12 .cse13 .cse14 .cse15) (and .cse13 .cse14 .cse8) (and .cse12 .cse0 .cse11 .cse9) (and (<= 0 (+ 97 ~a0~0)) .cse1 .cse8 .cse2) (and .cse1 .cse3 .cse10 .cse6) (and .cse1 .cse8 .cse9) (and .cse7 .cse3 .cse15) (and .cse1 .cse15 .cse2) (and .cse3 (let ((.cse16 (<= ~a29~0 401234))) (or (and .cse12 .cse5 .cse16) (and .cse5 .cse16 .cse2)))) (and .cse5 (<= .cse17 0) (<= (+ ~a29~0 144) 0)) (and .cse12 .cse0 (<= 0 (+ ~a29~0 3)) .cse14) (and .cse13 .cse0 .cse14) (and .cse14 .cse5 .cse3) (and .cse7 .cse3 .cse10) (and .cse12 .cse8 .cse9 .cse2) (and .cse1 .cse10 .cse2) (and .cse1 .cse3 .cse15) (and .cse12 .cse14 .cse8 .cse3)))) [2021-08-29 05:00:00,749 INFO L858 garLoopResultBuilder]: For program point L212(line 212) no Hoare annotation was computed. [2021-08-29 05:00:00,749 INFO L858 garLoopResultBuilder]: For program point L80(line 80) no Hoare annotation was computed. [2021-08-29 05:00:00,749 INFO L858 garLoopResultBuilder]: For program point L1138(lines 1138 1664) no Hoare annotation was computed. [2021-08-29 05:00:00,749 INFO L858 garLoopResultBuilder]: For program point L742(lines 742 1664) no Hoare annotation was computed. [2021-08-29 05:00:00,749 INFO L858 garLoopResultBuilder]: For program point L478(lines 478 1664) no Hoare annotation was computed. [2021-08-29 05:00:00,749 INFO L858 garLoopResultBuilder]: For program point L346(lines 346 1664) no Hoare annotation was computed. [2021-08-29 05:00:00,749 INFO L858 garLoopResultBuilder]: For program point L1271(lines 1271 1664) no Hoare annotation was computed. [2021-08-29 05:00:00,749 INFO L858 garLoopResultBuilder]: For program point L214-1(lines 33 1666) no Hoare annotation was computed. [2021-08-29 05:00:00,749 INFO L858 garLoopResultBuilder]: For program point L82-1(lines 33 1666) no Hoare annotation was computed. [2021-08-29 05:00:00,749 INFO L858 garLoopResultBuilder]: For program point L1404(lines 1404 1664) no Hoare annotation was computed. [2021-08-29 05:00:00,749 INFO L858 garLoopResultBuilder]: For program point L215(line 215) no Hoare annotation was computed. [2021-08-29 05:00:00,749 INFO L858 garLoopResultBuilder]: For program point L83(line 83) no Hoare annotation was computed. [2021-08-29 05:00:00,749 INFO L858 garLoopResultBuilder]: For program point L1008(lines 1008 1664) no Hoare annotation was computed. [2021-08-29 05:00:00,749 INFO L858 garLoopResultBuilder]: For program point L1405(lines 1405 1417) no Hoare annotation was computed. [2021-08-29 05:00:00,749 INFO L858 garLoopResultBuilder]: For program point L1405-2(lines 1405 1417) no Hoare annotation was computed. [2021-08-29 05:00:00,749 INFO L858 garLoopResultBuilder]: For program point L745(lines 745 1664) no Hoare annotation was computed. [2021-08-29 05:00:00,749 INFO L858 garLoopResultBuilder]: For program point L1538(lines 1538 1664) no Hoare annotation was computed. [2021-08-29 05:00:00,749 INFO L858 garLoopResultBuilder]: For program point L1274(lines 1274 1664) no Hoare annotation was computed. [2021-08-29 05:00:00,750 INFO L858 garLoopResultBuilder]: For program point L85-1(lines 33 1666) no Hoare annotation was computed. [2021-08-29 05:00:00,750 INFO L858 garLoopResultBuilder]: For program point L878(lines 878 1664) no Hoare annotation was computed. [2021-08-29 05:00:00,750 INFO L858 garLoopResultBuilder]: For program point L1671(lines 1671 1766) no Hoare annotation was computed. [2021-08-29 05:00:00,750 INFO L858 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-08-29 05:00:00,750 INFO L858 garLoopResultBuilder]: For program point L86(line 86) no Hoare annotation was computed. [2021-08-29 05:00:00,750 INFO L858 garLoopResultBuilder]: For program point L351(lines 351 1664) no Hoare annotation was computed. [2021-08-29 05:00:00,750 INFO L858 garLoopResultBuilder]: For program point L1144(lines 1144 1664) no Hoare annotation was computed. [2021-08-29 05:00:00,750 INFO L858 garLoopResultBuilder]: For program point L616(lines 616 1664) no Hoare annotation was computed. [2021-08-29 05:00:00,750 INFO L858 garLoopResultBuilder]: For program point L484(lines 484 1664) no Hoare annotation was computed. [2021-08-29 05:00:00,750 INFO L858 garLoopResultBuilder]: For program point L352(lines 352 359) no Hoare annotation was computed. [2021-08-29 05:00:00,750 INFO L858 garLoopResultBuilder]: For program point L352-2(lines 352 359) no Hoare annotation was computed. [2021-08-29 05:00:00,750 INFO L858 garLoopResultBuilder]: For program point L1145(lines 1145 1154) no Hoare annotation was computed. [2021-08-29 05:00:00,750 INFO L858 garLoopResultBuilder]: For program point L88-1(lines 33 1666) no Hoare annotation was computed. [2021-08-29 05:00:00,750 INFO L858 garLoopResultBuilder]: For program point L1145-2(lines 1145 1154) no Hoare annotation was computed. [2021-08-29 05:00:00,750 INFO L858 garLoopResultBuilder]: For program point L89(line 89) no Hoare annotation was computed. [2021-08-29 05:00:00,750 INFO L858 garLoopResultBuilder]: For program point L1014(lines 1014 1664) no Hoare annotation was computed. [2021-08-29 05:00:00,750 INFO L858 garLoopResultBuilder]: For program point L1543(lines 1543 1664) no Hoare annotation was computed. [2021-08-29 05:00:00,750 INFO L858 garLoopResultBuilder]: For program point L91-1(lines 33 1666) no Hoare annotation was computed. [2021-08-29 05:00:00,750 INFO L858 garLoopResultBuilder]: For program point L884(lines 884 1664) no Hoare annotation was computed. [2021-08-29 05:00:00,751 INFO L858 garLoopResultBuilder]: For program point L752(lines 752 1664) no Hoare annotation was computed. [2021-08-29 05:00:00,751 INFO L858 garLoopResultBuilder]: For program point L1281(lines 1281 1664) no Hoare annotation was computed. [2021-08-29 05:00:00,751 INFO L858 garLoopResultBuilder]: For program point L224(lines 224 1664) no Hoare annotation was computed. [2021-08-29 05:00:00,751 INFO L858 garLoopResultBuilder]: For program point L92(line 92) no Hoare annotation was computed. [2021-08-29 05:00:00,751 INFO L858 garLoopResultBuilder]: For program point L1678(lines 1678 1766) no Hoare annotation was computed. [2021-08-29 05:00:00,751 INFO L858 garLoopResultBuilder]: For program point L489(lines 489 1664) no Hoare annotation was computed. [2021-08-29 05:00:00,751 INFO L858 garLoopResultBuilder]: For program point L94-1(lines 33 1666) no Hoare annotation was computed. [2021-08-29 05:00:00,751 INFO L858 garLoopResultBuilder]: For program point L623(lines 623 1664) no Hoare annotation was computed. [2021-08-29 05:00:00,751 INFO L858 garLoopResultBuilder]: For program point L95(line 95) no Hoare annotation was computed. [2021-08-29 05:00:00,751 INFO L858 garLoopResultBuilder]: For program point L360(lines 360 1664) no Hoare annotation was computed. [2021-08-29 05:00:00,751 INFO L858 garLoopResultBuilder]: For program point L1021(lines 1021 1664) no Hoare annotation was computed. [2021-08-29 05:00:00,751 INFO L858 garLoopResultBuilder]: For program point L1682(lines 1682 1766) no Hoare annotation was computed. [2021-08-29 05:00:00,751 INFO L858 garLoopResultBuilder]: For program point L1550(lines 1550 1664) no Hoare annotation was computed. [2021-08-29 05:00:00,751 INFO L858 garLoopResultBuilder]: For program point L1418(lines 1418 1664) no Hoare annotation was computed. [2021-08-29 05:00:00,751 INFO L858 garLoopResultBuilder]: For program point L229(lines 229 1664) no Hoare annotation was computed. [2021-08-29 05:00:00,751 INFO L858 garLoopResultBuilder]: For program point L97-1(lines 33 1666) no Hoare annotation was computed. [2021-08-29 05:00:00,751 INFO L858 garLoopResultBuilder]: For program point L890(lines 890 1664) no Hoare annotation was computed. [2021-08-29 05:00:00,751 INFO L858 garLoopResultBuilder]: For program point L758(lines 758 1664) no Hoare annotation was computed. [2021-08-29 05:00:00,751 INFO L858 garLoopResultBuilder]: For program point L1287(lines 1287 1664) no Hoare annotation was computed. [2021-08-29 05:00:00,752 INFO L858 garLoopResultBuilder]: For program point L230(lines 230 238) no Hoare annotation was computed. [2021-08-29 05:00:00,752 INFO L858 garLoopResultBuilder]: For program point L230-2(lines 230 238) no Hoare annotation was computed. [2021-08-29 05:00:00,752 INFO L858 garLoopResultBuilder]: For program point L1155(lines 1155 1664) no Hoare annotation was computed. [2021-08-29 05:00:00,752 INFO L858 garLoopResultBuilder]: For program point L98(line 98) no Hoare annotation was computed. [2021-08-29 05:00:00,752 INFO L858 garLoopResultBuilder]: For program point L496(lines 496 1664) no Hoare annotation was computed. [2021-08-29 05:00:00,752 INFO L858 garLoopResultBuilder]: For program point L100-1(lines 33 1666) no Hoare annotation was computed. [2021-08-29 05:00:00,752 INFO L858 garLoopResultBuilder]: For program point L365(lines 365 1664) no Hoare annotation was computed. [2021-08-29 05:00:00,752 INFO L858 garLoopResultBuilder]: For program point L101(line 101) no Hoare annotation was computed. [2021-08-29 05:00:00,752 INFO L858 garLoopResultBuilder]: For program point L1026(lines 1026 1664) no Hoare annotation was computed. [2021-08-29 05:00:00,756 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-08-29 05:00:00,779 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 29.08 05:00:00 BoogieIcfgContainer [2021-08-29 05:00:00,779 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-08-29 05:00:00,780 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-08-29 05:00:00,780 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-08-29 05:00:00,780 INFO L275 PluginConnector]: Witness Printer initialized [2021-08-29 05:00:00,781 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 29.08 04:58:55" (3/4) ... [2021-08-29 05:00:00,783 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-08-29 05:00:00,810 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2021-08-29 05:00:00,812 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2021-08-29 05:00:00,814 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-08-29 05:00:00,816 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-08-29 05:00:00,970 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2021-08-29 05:00:00,970 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-08-29 05:00:00,971 INFO L158 Benchmark]: Toolchain (without parser) took 68494.12ms. Allocated memory was 58.7MB in the beginning and 1.1GB in the end (delta: 1.0GB). Free memory was 38.4MB in the beginning and 922.5MB in the end (delta: -884.1MB). Peak memory consumption was 157.6MB. Max. memory is 16.1GB. [2021-08-29 05:00:00,971 INFO L158 Benchmark]: CDTParser took 0.28ms. Allocated memory is still 48.2MB. Free memory was 30.6MB in the beginning and 30.6MB in the end (delta: 31.3kB). There was no memory consumed. Max. memory is 16.1GB. [2021-08-29 05:00:00,972 INFO L158 Benchmark]: CACSL2BoogieTranslator took 887.99ms. Allocated memory was 58.7MB in the beginning and 71.3MB in the end (delta: 12.6MB). Free memory was 38.2MB in the beginning and 32.0MB in the end (delta: 6.2MB). Peak memory consumption was 24.7MB. Max. memory is 16.1GB. [2021-08-29 05:00:00,972 INFO L158 Benchmark]: Boogie Procedure Inliner took 291.96ms. Allocated memory was 71.3MB in the beginning and 88.1MB in the end (delta: 16.8MB). Free memory was 32.0MB in the beginning and 35.0MB in the end (delta: -3.0MB). Peak memory consumption was 18.4MB. Max. memory is 16.1GB. [2021-08-29 05:00:00,972 INFO L158 Benchmark]: Boogie Preprocessor took 259.07ms. Allocated memory was 88.1MB in the beginning and 176.2MB in the end (delta: 88.1MB). Free memory was 34.9MB in the beginning and 116.9MB in the end (delta: -82.0MB). Peak memory consumption was 23.0MB. Max. memory is 16.1GB. [2021-08-29 05:00:00,972 INFO L158 Benchmark]: RCFGBuilder took 1136.67ms. Allocated memory was 176.2MB in the beginning and 352.3MB in the end (delta: 176.2MB). Free memory was 116.9MB in the beginning and 282.8MB in the end (delta: -165.8MB). Peak memory consumption was 65.6MB. Max. memory is 16.1GB. [2021-08-29 05:00:00,973 INFO L158 Benchmark]: TraceAbstraction took 65721.92ms. Allocated memory was 352.3MB in the beginning and 1.1GB in the end (delta: 746.6MB). Free memory was 281.7MB in the beginning and 964.9MB in the end (delta: -683.1MB). Peak memory consumption was 686.3MB. Max. memory is 16.1GB. [2021-08-29 05:00:00,973 INFO L158 Benchmark]: Witness Printer took 190.67ms. Allocated memory is still 1.1GB. Free memory was 964.9MB in the beginning and 922.5MB in the end (delta: 42.4MB). Peak memory consumption was 41.9MB. Max. memory is 16.1GB. [2021-08-29 05:00:00,974 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.28ms. Allocated memory is still 48.2MB. Free memory was 30.6MB in the beginning and 30.6MB in the end (delta: 31.3kB). There was no memory consumed. Max. memory is 16.1GB. * CACSL2BoogieTranslator took 887.99ms. Allocated memory was 58.7MB in the beginning and 71.3MB in the end (delta: 12.6MB). Free memory was 38.2MB in the beginning and 32.0MB in the end (delta: 6.2MB). Peak memory consumption was 24.7MB. Max. memory is 16.1GB. * Boogie Procedure Inliner took 291.96ms. Allocated memory was 71.3MB in the beginning and 88.1MB in the end (delta: 16.8MB). Free memory was 32.0MB in the beginning and 35.0MB in the end (delta: -3.0MB). Peak memory consumption was 18.4MB. Max. memory is 16.1GB. * Boogie Preprocessor took 259.07ms. Allocated memory was 88.1MB in the beginning and 176.2MB in the end (delta: 88.1MB). Free memory was 34.9MB in the beginning and 116.9MB in the end (delta: -82.0MB). Peak memory consumption was 23.0MB. Max. memory is 16.1GB. * RCFGBuilder took 1136.67ms. Allocated memory was 176.2MB in the beginning and 352.3MB in the end (delta: 176.2MB). Free memory was 116.9MB in the beginning and 282.8MB in the end (delta: -165.8MB). Peak memory consumption was 65.6MB. Max. memory is 16.1GB. * TraceAbstraction took 65721.92ms. Allocated memory was 352.3MB in the beginning and 1.1GB in the end (delta: 746.6MB). Free memory was 281.7MB in the beginning and 964.9MB in the end (delta: -683.1MB). Peak memory consumption was 686.3MB. Max. memory is 16.1GB. * Witness Printer took 190.67ms. Allocated memory is still 1.1GB. Free memory was 964.9MB in the beginning and 922.5MB in the end (delta: 42.4MB). Peak memory consumption was 41.9MB. 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: 200]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 424 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 65628.86ms, OverallIterations: 21, TraceHistogramMax: 6, EmptinessCheckTime: 233.46ms, AutomataDifference: 38622.74ms, DeadEndRemovalTime: 0.00ms, HoareAnnotationTime: 2838.75ms, InitialAbstractionConstructionTime: 20.90ms, PartialOrderReductionTime: 0.00ms, HoareTripleCheckerStatistics: 0 mSolverCounterUnknown, 7914 SdHoareTripleChecker+Valid, 35753.60ms IncrementalHoareTripleChecker+Time, 0 mSdLazyCounter, 7914 mSDsluCounter, 0 SdHoareTripleChecker+Invalid, 30222.14ms Time, 0 mProtectedAction, 0 SdHoareTripleChecker+Unchecked, 800 IncrementalHoareTripleChecker+Unchecked, 852 mSDsCounter, 3771 IncrementalHoareTripleChecker+Valid, 0 mProtectedPredicate, 31153 IncrementalHoareTripleChecker+Invalid, 35724 SdHoareTripleChecker+Unknown, 0 mSolverCounterNotChecked, 3771 mSolverCounterUnsat, 0 mSDtfsCounter, 31153 mSolverCounterSat, 77.48ms SdHoareTripleChecker+Time, 0 IncrementalHoareTripleChecker+Unknown, PredicateUnifierStatistics: 0 DeclaredPredicates, 6306 GetRequests, 6251 SyntacticMatches, 0 SemanticMatches, 55 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 74 ImplicationChecksByTransitivity, 264.97ms Time, 0.00ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=21917occurred in iteration=18, InterpolantAutomatonStates: 75, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.00ms DumpTime, AutomataMinimizationStatistics: 2924.07ms AutomataMinimizationTime, 21 MinimizatonAttempts, 22808 StatesRemovedByMinimization, 18 NontrivialMinimizations, HoareAnnotationStatistics: 0.00ms HoareAnnotationTime, 4 LocationsWithAnnotation, 4 PreInvPairs, 217 NumberOfFragments, 1227 HoareAnnotationTreeSize, 4 FomulaSimplifications, 15279 FormulaSimplificationTreeSizeReduction, 501.60ms HoareSimplificationTime, 4 FomulaSimplificationsInter, 7418 FormulaSimplificationTreeSizeReductionInter, 2327.69ms HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 586.70ms SsaConstructionTime, 1915.67ms SatisfiabilityAnalysisTime, 16632.55ms InterpolantComputationTime, 16201 NumberOfCodeBlocks, 16201 NumberOfCodeBlocksAsserted, 27 NumberOfCheckSat, 17822 ConstructedInterpolants, 59 QuantifiedInterpolants, 59667 SizeOfPredicates, 6 NumberOfNonLiveVariables, 5572 ConjunctsInSsa, 23 ConjunctsInUnsatCore, 29 InterpolantComputations, 20 PerfectInterpolantSequences, 22367/23893 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 1770]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1668]: Loop Invariant Derived loop invariant: (((((((((((((((((((((((((2 == a2 && 89 + a4 <= 0) && a0 + 61 <= 0) || ((2 == a2 && 89 + a4 <= 0) && 0 < a29 + 600144)) || ((((0 <= a29 + 127 && 89 + a4 <= 0) && a2 == 1) && 0 <= 44 + a0) && a29 + 127 <= 0)) || ((89 + a4 <= 0 && a0 + 147 <= 0) && 5 <= a2)) || ((89 + a4 <= 0 && a2 == 1) && a0 + 61 <= 0)) || ((89 + a4 <= 0 && 0 < a29 + 16) && 3 == a2)) || ((a0 + 99 <= 0 && 0 < a29 + 16) && 3 == a2)) || (((0 < a4 + 86 && 43 < a29) && 98 + a0 <= 0) && a2 == 4)) || (((a2 == 1 && a4 + 86 <= 0) && a29 + 127 <= 0) && a0 + 61 <= 0)) || ((43 < a29 && 98 + a0 <= 0) && 5 <= a2)) || (((0 < a4 + 86 && 2 == a2) && a0 + 99 <= 0) && 0 < a29 + 16)) || (((0 <= 97 + a0 && 89 + a4 <= 0) && 5 <= a2) && a0 + 61 <= 0)) || (((89 + a4 <= 0 && 0 < a29 + 600144) && 3 == a2) && a29 + 127 <= 0)) || ((89 + a4 <= 0 && 5 <= a2) && 0 < a29 + 16)) || ((a0 + 147 <= 0 && 0 < a29 + 600144) && a2 == 4)) || ((89 + a4 <= 0 && a2 == 4) && a0 + 61 <= 0)) || (0 < a29 + 600144 && (((0 < a4 + 86 && a2 == 1) && a29 <= 401234) || ((a2 == 1 && a29 <= 401234) && a0 + 61 <= 0)))) || (((0 < a4 + 86 && 2 == a2) && 0 <= a29 + 3) && 98 + a0 <= 0)) || ((43 < a29 && 2 == a2) && 98 + a0 <= 0)) || ((98 + a0 <= 0 && a2 == 1) && 0 < a29 + 600144)) || ((a0 + 147 <= 0 && 0 < a29 + 600144) && 3 == a2)) || (((0 < a4 + 86 && 5 <= a2) && 0 < a29 + 16) && a0 + 61 <= 0)) || ((89 + a4 <= 0 && 3 == a2) && a0 + 61 <= 0)) || ((89 + a4 <= 0 && 0 < a29 + 600144) && a2 == 4)) || (((0 < a4 + 86 && 98 + a0 <= 0) && 5 <= a2) && 0 < a29 + 600144) - InvariantResult [Line: 1776]: Loop Invariant Derived loop invariant: (((((((((((((((((((((((((2 == a2 && 89 + a4 <= 0) && a0 + 61 <= 0) || ((2 == a2 && 89 + a4 <= 0) && 0 < a29 + 600144)) || ((((0 <= a29 + 127 && 89 + a4 <= 0) && a2 == 1) && 0 <= 44 + a0) && a29 + 127 <= 0)) || ((89 + a4 <= 0 && a0 + 147 <= 0) && 5 <= a2)) || ((89 + a4 <= 0 && a2 == 1) && a0 + 61 <= 0)) || ((89 + a4 <= 0 && 0 < a29 + 16) && 3 == a2)) || ((a0 + 99 <= 0 && 0 < a29 + 16) && 3 == a2)) || (((0 < a4 + 86 && 43 < a29) && 98 + a0 <= 0) && a2 == 4)) || ((43 < a29 && 98 + a0 <= 0) && 5 <= a2)) || (((0 < a4 + 86 && 2 == a2) && a0 + 99 <= 0) && 0 < a29 + 16)) || (((0 <= 97 + a0 && 89 + a4 <= 0) && 5 <= a2) && a0 + 61 <= 0)) || (((89 + a4 <= 0 && 0 < a29 + 600144) && 3 == a2) && a29 + 127 <= 0)) || ((89 + a4 <= 0 && 5 <= a2) && 0 < a29 + 16)) || ((a0 + 147 <= 0 && 0 < a29 + 600144) && a2 == 4)) || ((89 + a4 <= 0 && a2 == 4) && a0 + 61 <= 0)) || (0 < a29 + 600144 && (((0 < a4 + 86 && a2 == 1) && a29 <= 401234) || ((a2 == 1 && a29 <= 401234) && a0 + 61 <= 0)))) || ((a2 == 1 && a4 + 86 <= 0) && a29 + 144 <= 0)) || (((0 < a4 + 86 && 2 == a2) && 0 <= a29 + 3) && 98 + a0 <= 0)) || ((43 < a29 && 2 == a2) && 98 + a0 <= 0)) || ((98 + a0 <= 0 && a2 == 1) && 0 < a29 + 600144)) || ((a0 + 147 <= 0 && 0 < a29 + 600144) && 3 == a2)) || (((0 < a4 + 86 && 5 <= a2) && 0 < a29 + 16) && a0 + 61 <= 0)) || ((89 + a4 <= 0 && 3 == a2) && a0 + 61 <= 0)) || ((89 + a4 <= 0 && 0 < a29 + 600144) && a2 == 4)) || (((0 < a4 + 86 && 98 + a0 <= 0) && 5 <= a2) && 0 < a29 + 600144) - InvariantResult [Line: 33]: Loop Invariant Derived loop invariant: (((((((((((((((((((((((((2 == a2 && 89 + a4 <= 0) && a0 + 61 <= 0) || ((2 == a2 && 89 + a4 <= 0) && 0 < a29 + 600144)) || ((((0 <= a29 + 127 && 89 + a4 <= 0) && a2 == 1) && 0 <= 44 + a0) && a29 + 127 <= 0)) || ((89 + a4 <= 0 && a0 + 147 <= 0) && 5 <= a2)) || ((89 + a4 <= 0 && a2 == 1) && a0 + 61 <= 0)) || ((89 + a4 <= 0 && 0 < a29 + 16) && 3 == a2)) || ((a0 + 99 <= 0 && 0 < a29 + 16) && 3 == a2)) || (((0 < a4 + 86 && 43 < a29) && 98 + a0 <= 0) && a2 == 4)) || ((43 < a29 && 98 + a0 <= 0) && 5 <= a2)) || (((0 < a4 + 86 && 2 == a2) && a0 + 99 <= 0) && 0 < a29 + 16)) || (((0 <= 97 + a0 && 89 + a4 <= 0) && 5 <= a2) && a0 + 61 <= 0)) || (((89 + a4 <= 0 && 0 < a29 + 600144) && 3 == a2) && a29 + 127 <= 0)) || ((89 + a4 <= 0 && 5 <= a2) && 0 < a29 + 16)) || ((a0 + 147 <= 0 && 0 < a29 + 600144) && a2 == 4)) || ((89 + a4 <= 0 && a2 == 4) && a0 + 61 <= 0)) || (0 < a29 + 600144 && (((0 < a4 + 86 && a2 == 1) && a29 <= 401234) || ((a2 == 1 && a29 <= 401234) && a0 + 61 <= 0)))) || ((a2 == 1 && a4 + 86 <= 0) && a29 + 144 <= 0)) || (((0 < a4 + 86 && 2 == a2) && 0 <= a29 + 3) && 98 + a0 <= 0)) || ((43 < a29 && 2 == a2) && 98 + a0 <= 0)) || ((98 + a0 <= 0 && a2 == 1) && 0 < a29 + 600144)) || ((a0 + 147 <= 0 && 0 < a29 + 600144) && 3 == a2)) || (((0 < a4 + 86 && 5 <= a2) && 0 < a29 + 16) && a0 + 61 <= 0)) || ((89 + a4 <= 0 && 3 == a2) && a0 + 61 <= 0)) || ((89 + a4 <= 0 && 0 < a29 + 600144) && a2 == 4)) || (((0 < a4 + 86 && 98 + a0 <= 0) && 5 <= a2) && 0 < a29 + 600144) RESULT: Ultimate proved your program to be correct! [2021-08-29 05:00:01,010 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...