./Ultimate.py --spec ../sv-benchmarks/c/properties/unreach-call.prp --file ../sv-benchmarks/c/eca-rers2012/Problem16_label34.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 20ed64ec Calling Ultimate with: /usr/bin/java -Dosgi.configuration.area=/storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/config -Xmx15G -Xms4m -jar /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/plugins/org.eclipse.equinox.launcher_1.5.800.v20200727-1323.jar -data @noDefault -ultimatedata /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data -tc /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/AutomizerReach.xml -i ../sv-benchmarks/c/eca-rers2012/Problem16_label34.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 08f07e12cb6cbffd13523ecf2c3b310f38c82fec ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.2.1-dev-20ed64e [2021-08-25 22:30:52,855 INFO L177 SettingsManager]: Resetting all preferences to default values... [2021-08-25 22:30:52,858 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2021-08-25 22:30:52,905 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2021-08-25 22:30:52,906 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2021-08-25 22:30:52,909 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2021-08-25 22:30:52,910 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2021-08-25 22:30:52,915 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2021-08-25 22:30:52,917 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2021-08-25 22:30:52,921 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2021-08-25 22:30:52,922 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2021-08-25 22:30:52,926 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2021-08-25 22:30:52,926 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2021-08-25 22:30:52,928 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2021-08-25 22:30:52,930 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2021-08-25 22:30:52,933 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2021-08-25 22:30:52,933 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2021-08-25 22:30:52,934 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2021-08-25 22:30:52,937 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2021-08-25 22:30:52,948 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2021-08-25 22:30:52,949 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2021-08-25 22:30:52,950 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2021-08-25 22:30:52,952 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2021-08-25 22:30:52,953 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2021-08-25 22:30:52,959 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2021-08-25 22:30:52,959 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2021-08-25 22:30:52,960 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2021-08-25 22:30:52,961 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2021-08-25 22:30:52,962 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2021-08-25 22:30:52,963 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2021-08-25 22:30:52,963 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2021-08-25 22:30:52,964 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2021-08-25 22:30:52,965 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2021-08-25 22:30:52,966 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2021-08-25 22:30:52,967 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2021-08-25 22:30:52,967 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2021-08-25 22:30:52,968 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2021-08-25 22:30:52,968 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2021-08-25 22:30:52,968 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2021-08-25 22:30:52,970 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2021-08-25 22:30:52,970 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2021-08-25 22:30:52,974 INFO L101 SettingsManager]: Beginning loading settings from /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/config/svcomp-Reach-32bit-Automizer_Default.epf [2021-08-25 22:30:53,010 INFO L113 SettingsManager]: Loading preferences was successful [2021-08-25 22:30:53,011 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2021-08-25 22:30:53,011 INFO L136 SettingsManager]: Preferences of UltimateCore differ from their defaults: [2021-08-25 22:30:53,011 INFO L138 SettingsManager]: * Log level for class=de.uni_freiburg.informatik.ultimate.lib.smtlibutils.quantifier.QuantifierPusher=ERROR; [2021-08-25 22:30:53,013 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2021-08-25 22:30:53,013 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2021-08-25 22:30:53,014 INFO L138 SettingsManager]: * Use SBE=true [2021-08-25 22:30:53,014 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2021-08-25 22:30:53,014 INFO L138 SettingsManager]: * sizeof long=4 [2021-08-25 22:30:53,014 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2021-08-25 22:30:53,015 INFO L138 SettingsManager]: * sizeof POINTER=4 [2021-08-25 22:30:53,015 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2021-08-25 22:30:53,016 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2021-08-25 22:30:53,016 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2021-08-25 22:30:53,016 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2021-08-25 22:30:53,016 INFO L138 SettingsManager]: * sizeof long double=12 [2021-08-25 22:30:53,016 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2021-08-25 22:30:53,016 INFO L138 SettingsManager]: * Use constant arrays=true [2021-08-25 22:30:53,017 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2021-08-25 22:30:53,017 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2021-08-25 22:30:53,017 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2021-08-25 22:30:53,017 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2021-08-25 22:30:53,017 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-25 22:30:53,018 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2021-08-25 22:30:53,018 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2021-08-25 22:30:53,018 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2021-08-25 22:30:53,018 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2021-08-25 22:30:53,018 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2021-08-25 22:30:53,018 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2021-08-25 22:30:53,019 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2021-08-25 22:30:53,019 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$1 WARNING: Use --illegal-access=warn to enable warnings of further illegal reflective access operations WARNING: All illegal access operations will be denied in a future release Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(reach_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 08f07e12cb6cbffd13523ecf2c3b310f38c82fec [2021-08-25 22:30:53,361 INFO L75 nceAwareModelManager]: Repository-Root is: /tmp [2021-08-25 22:30:53,389 INFO L261 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2021-08-25 22:30:53,392 INFO L217 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2021-08-25 22:30:53,393 INFO L271 PluginConnector]: Initializing CDTParser... [2021-08-25 22:30:53,394 INFO L275 PluginConnector]: CDTParser initialized [2021-08-25 22:30:53,395 INFO L432 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/../sv-benchmarks/c/eca-rers2012/Problem16_label34.c [2021-08-25 22:30:53,454 INFO L220 CDTParser]: Created temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fd2879dd2/c7b5aa89d3964d4a8464916f03096ae7/FLAG452bcf22c [2021-08-25 22:30:54,123 INFO L306 CDTParser]: Found 1 translation units. [2021-08-25 22:30:54,124 INFO L160 CDTParser]: Scanning /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem16_label34.c [2021-08-25 22:30:54,143 INFO L349 CDTParser]: About to delete temporary CDT project at /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fd2879dd2/c7b5aa89d3964d4a8464916f03096ae7/FLAG452bcf22c [2021-08-25 22:30:54,438 INFO L357 CDTParser]: Successfully deleted /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/data/fd2879dd2/c7b5aa89d3964d4a8464916f03096ae7 [2021-08-25 22:30:54,440 INFO L299 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2021-08-25 22:30:54,441 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2021-08-25 22:30:54,442 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2021-08-25 22:30:54,442 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2021-08-25 22:30:54,447 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2021-08-25 22:30:54,448 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.08 10:30:54" (1/1) ... [2021-08-25 22:30:54,449 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4b398eac and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 10:30:54, skipping insertion in model container [2021-08-25 22:30:54,449 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 25.08 10:30:54" (1/1) ... [2021-08-25 22:30:54,458 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2021-08-25 22:30:54,512 INFO L178 MainTranslator]: Built tables and reachable declarations [2021-08-25 22:30:54,716 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem16_label34.c[3712,3725] [2021-08-25 22:30:55,080 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-25 22:30:55,087 INFO L203 MainTranslator]: Completed pre-run [2021-08-25 22:30:55,112 WARN L228 ndardFunctionHandler]: Function reach_error is already implemented but we override the implementation for the call at /storage/repos/ultimate/releaseScripts/default/sv-benchmarks/c/eca-rers2012/Problem16_label34.c[3712,3725] [2021-08-25 22:30:55,272 INFO L206 PostProcessor]: Analyzing one entry point: main [2021-08-25 22:30:55,287 INFO L208 MainTranslator]: Completed translation [2021-08-25 22:30:55,287 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 10:30:55 WrapperNode [2021-08-25 22:30:55,289 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2021-08-25 22:30:55,290 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2021-08-25 22:30:55,290 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2021-08-25 22:30:55,291 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2021-08-25 22:30:55,296 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 10:30:55" (1/1) ... [2021-08-25 22:30:55,334 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 10:30:55" (1/1) ... [2021-08-25 22:30:55,492 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2021-08-25 22:30:55,493 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2021-08-25 22:30:55,493 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2021-08-25 22:30:55,493 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2021-08-25 22:30:55,501 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 10:30:55" (1/1) ... [2021-08-25 22:30:55,501 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 10:30:55" (1/1) ... [2021-08-25 22:30:55,519 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 10:30:55" (1/1) ... [2021-08-25 22:30:55,520 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 10:30:55" (1/1) ... [2021-08-25 22:30:55,598 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 10:30:55" (1/1) ... [2021-08-25 22:30:55,619 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 10:30:55" (1/1) ... [2021-08-25 22:30:55,632 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 10:30:55" (1/1) ... [2021-08-25 22:30:55,656 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2021-08-25 22:30:55,657 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2021-08-25 22:30:55,657 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2021-08-25 22:30:55,657 INFO L275 PluginConnector]: RCFGBuilder initialized [2021-08-25 22:30:55,658 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 10:30:55" (1/1) ... [2021-08-25 22:30:55,664 INFO L170 SolverBuilder]: Constructing external solver with command: z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2021-08-25 22:30:55,670 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-25 22:30:55,681 INFO L229 MonitoredProcess]: Starting monitored process 1 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) [2021-08-25 22:30:55,694 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (1)] Waiting until timeout for monitored process [2021-08-25 22:30:55,720 INFO L130 BoogieDeclarations]: Found specification of procedure write~init~int [2021-08-25 22:30:55,720 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2021-08-25 22:30:55,720 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2021-08-25 22:30:55,720 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2021-08-25 22:30:57,640 INFO L294 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2021-08-25 22:30:57,640 INFO L299 CfgBuilder]: Removed 9 assume(true) statements. [2021-08-25 22:30:57,643 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.08 10:30:57 BoogieIcfgContainer [2021-08-25 22:30:57,643 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2021-08-25 22:30:57,645 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2021-08-25 22:30:57,645 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2021-08-25 22:30:57,647 INFO L275 PluginConnector]: TraceAbstraction initialized [2021-08-25 22:30:57,648 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 25.08 10:30:54" (1/3) ... [2021-08-25 22:30:57,648 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3e7e5bd8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.08 10:30:57, skipping insertion in model container [2021-08-25 22:30:57,648 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 25.08 10:30:55" (2/3) ... [2021-08-25 22:30:57,649 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@3e7e5bd8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 25.08 10:30:57, skipping insertion in model container [2021-08-25 22:30:57,649 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.08 10:30:57" (3/3) ... [2021-08-25 22:30:57,651 INFO L111 eAbstractionObserver]: Analyzing ICFG Problem16_label34.c [2021-08-25 22:30:57,655 INFO L204 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2021-08-25 22:30:57,656 INFO L163 ceAbstractionStarter]: Applying trace abstraction to program that has 1 error locations. [2021-08-25 22:30:57,712 INFO L338 AbstractCegarLoop]: ======== Iteration 0 == of CEGAR loop == AllErrorsAtOnce ======== [2021-08-25 22:30:57,720 INFO L339 AbstractCegarLoop]: Settings: SEPARATE_VIOLATION_CHECK=true, mInterprocedural=true, mMaxIterations=1000000, mWatchIteration=1000000, mArtifact=RCFG, mInterpolation=FPandBP, mInterpolantAutomaton=STRAIGHT_LINE, mDumpAutomata=false, mAutomataFormat=ATS_NUMERATE, mDumpPath=., mDeterminiation=PREDICATE_ABSTRACTION, mMinimize=MINIMIZE_SEVPA, mHoare=true, mConcurrency=FINITE_AUTOMATA, mHoareTripleChecks=INCREMENTAL, mHoareAnnotationPositions=LoopsAndPotentialCycles, mDumpOnlyReuseAutomata=false, mLimitTraceHistogram=0, mErrorLocTimeLimit=0, mLimitPathProgramCount=0, mCollectInterpolantStatistics=true, mHeuristicEmptinessCheck=false, mHeuristicEmptinessCheckAStarHeuristic=ZERO, mHeuristicEmptinessCheckAStarHeuristicRandomSeed=1337, mHeuristicEmptinessCheckSmtFeatureScoringMethod=DAGSIZE, mSMTFeatureExtraction=false, mSMTFeatureExtractionDumpPath=., mOverrideInterpolantAutomaton=false, mMcrInterpolantMethod=WP, mLoopAccelerationTechnique=FAST_UPR [2021-08-25 22:30:57,720 INFO L340 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2021-08-25 22:30:57,749 INFO L276 IsEmpty]: Start isEmpty. Operand has 396 states, 394 states have (on average 1.8350253807106598) internal successors, (723), 395 states have internal predecessors, (723), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:30:57,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 35 [2021-08-25 22:30:57,755 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 22:30:57,756 INFO L512 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-25 22:30:57,757 INFO L402 AbstractCegarLoop]: === Iteration 1 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 22:30:57,763 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 22:30:57,763 INFO L82 PathProgramCache]: Analyzing trace with hash 1089129850, now seen corresponding path program 1 times [2021-08-25 22:30:57,773 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 22:30:57,774 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1934921823] [2021-08-25 22:30:57,774 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 22:30:57,775 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 22:30:57,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 22:30:58,022 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-25 22:30:58,023 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 22:30:58,023 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1934921823] [2021-08-25 22:30:58,024 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1934921823] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-25 22:30:58,024 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-25 22:30:58,024 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-08-25 22:30:58,026 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [459300766] [2021-08-25 22:30:58,030 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-25 22:30:58,030 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 22:30:58,043 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-25 22:30:58,044 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 22:30:58,047 INFO L87 Difference]: Start difference. First operand has 396 states, 394 states have (on average 1.8350253807106598) internal successors, (723), 395 states have internal predecessors, (723), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Second operand has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 2 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:31:00,032 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 22:31:00,032 INFO L93 Difference]: Finished difference Result 1137 states and 2118 transitions. [2021-08-25 22:31:00,032 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-25 22:31:00,034 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 2 states have internal predecessors, (34), 0 states have call successors, (0), 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 34 [2021-08-25 22:31:00,034 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 22:31:00,049 INFO L225 Difference]: With dead ends: 1137 [2021-08-25 22:31:00,050 INFO L226 Difference]: Without dead ends: 662 [2021-08-25 22:31:00,054 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 15.0ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 22:31:00,070 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 662 states. [2021-08-25 22:31:00,117 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 662 to 662. [2021-08-25 22:31:00,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 662 states, 661 states have (on average 1.7004538577912254) internal successors, (1124), 661 states have internal predecessors, (1124), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:31:00,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 662 states to 662 states and 1124 transitions. [2021-08-25 22:31:00,124 INFO L78 Accepts]: Start accepts. Automaton has 662 states and 1124 transitions. Word has length 34 [2021-08-25 22:31:00,124 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 22:31:00,125 INFO L470 AbstractCegarLoop]: Abstraction has 662 states and 1124 transitions. [2021-08-25 22:31:00,125 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 11.333333333333334) internal successors, (34), 2 states have internal predecessors, (34), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:31:00,125 INFO L276 IsEmpty]: Start isEmpty. Operand 662 states and 1124 transitions. [2021-08-25 22:31:00,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2021-08-25 22:31:00,128 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 22:31:00,128 INFO L512 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-25 22:31:00,129 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable0 [2021-08-25 22:31:00,129 INFO L402 AbstractCegarLoop]: === Iteration 2 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 22:31:00,129 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 22:31:00,130 INFO L82 PathProgramCache]: Analyzing trace with hash -1425472999, now seen corresponding path program 1 times [2021-08-25 22:31:00,130 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 22:31:00,130 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [811494482] [2021-08-25 22:31:00,130 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 22:31:00,131 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 22:31:00,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 22:31:00,220 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-25 22:31:00,220 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 22:31:00,221 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [811494482] [2021-08-25 22:31:00,221 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [811494482] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-25 22:31:00,221 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-25 22:31:00,221 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-08-25 22:31:00,222 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [243296680] [2021-08-25 22:31:00,223 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-25 22:31:00,223 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 22:31:00,224 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-25 22:31:00,224 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 22:31:00,224 INFO L87 Difference]: Start difference. First operand 662 states and 1124 transitions. Second operand has 3 states, 3 states have (on average 33.333333333333336) internal successors, (100), 2 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:31:01,797 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 22:31:01,798 INFO L93 Difference]: Finished difference Result 1980 states and 3367 transitions. [2021-08-25 22:31:01,798 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-25 22:31:01,798 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 33.333333333333336) internal successors, (100), 2 states have internal predecessors, (100), 0 states have call successors, (0), 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 100 [2021-08-25 22:31:01,799 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 22:31:01,804 INFO L225 Difference]: With dead ends: 1980 [2021-08-25 22:31:01,804 INFO L226 Difference]: Without dead ends: 1320 [2021-08-25 22:31:01,808 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.0ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 22:31:01,810 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1320 states. [2021-08-25 22:31:01,847 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1320 to 1320. [2021-08-25 22:31:01,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1320 states, 1319 states have (on average 1.620166793025019) internal successors, (2137), 1319 states have internal predecessors, (2137), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:31:01,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1320 states to 1320 states and 2137 transitions. [2021-08-25 22:31:01,855 INFO L78 Accepts]: Start accepts. Automaton has 1320 states and 2137 transitions. Word has length 100 [2021-08-25 22:31:01,855 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 22:31:01,855 INFO L470 AbstractCegarLoop]: Abstraction has 1320 states and 2137 transitions. [2021-08-25 22:31:01,856 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 33.333333333333336) internal successors, (100), 2 states have internal predecessors, (100), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:31:01,856 INFO L276 IsEmpty]: Start isEmpty. Operand 1320 states and 2137 transitions. [2021-08-25 22:31:01,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2021-08-25 22:31:01,859 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 22:31:01,859 INFO L512 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-25 22:31:01,859 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable1 [2021-08-25 22:31:01,859 INFO L402 AbstractCegarLoop]: === Iteration 3 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 22:31:01,860 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 22:31:01,860 INFO L82 PathProgramCache]: Analyzing trace with hash -2065691269, now seen corresponding path program 1 times [2021-08-25 22:31:01,860 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 22:31:01,861 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [446615255] [2021-08-25 22:31:01,861 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 22:31:01,861 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 22:31:01,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 22:31:01,927 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-25 22:31:01,927 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 22:31:01,927 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [446615255] [2021-08-25 22:31:01,928 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [446615255] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-25 22:31:01,928 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-25 22:31:01,928 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-08-25 22:31:01,928 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [678984963] [2021-08-25 22:31:01,929 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-25 22:31:01,929 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 22:31:01,930 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-25 22:31:01,930 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 22:31:01,930 INFO L87 Difference]: Start difference. First operand 1320 states and 2137 transitions. Second operand has 3 states, 3 states have (on average 33.666666666666664) internal successors, (101), 2 states have internal predecessors, (101), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:31:03,306 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 22:31:03,306 INFO L93 Difference]: Finished difference Result 3296 states and 5285 transitions. [2021-08-25 22:31:03,312 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-25 22:31:03,312 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 33.666666666666664) internal successors, (101), 2 states have internal predecessors, (101), 0 states have call successors, (0), 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 101 [2021-08-25 22:31:03,314 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 22:31:03,322 INFO L225 Difference]: With dead ends: 3296 [2021-08-25 22:31:03,322 INFO L226 Difference]: Without dead ends: 1978 [2021-08-25 22:31:03,324 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.9ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 22:31:03,326 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1978 states. [2021-08-25 22:31:03,358 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1978 to 1978. [2021-08-25 22:31:03,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 1978 states, 1977 states have (on average 1.3323216995447649) internal successors, (2634), 1977 states have internal predecessors, (2634), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:31:03,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1978 states to 1978 states and 2634 transitions. [2021-08-25 22:31:03,368 INFO L78 Accepts]: Start accepts. Automaton has 1978 states and 2634 transitions. Word has length 101 [2021-08-25 22:31:03,368 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 22:31:03,368 INFO L470 AbstractCegarLoop]: Abstraction has 1978 states and 2634 transitions. [2021-08-25 22:31:03,368 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 33.666666666666664) internal successors, (101), 2 states have internal predecessors, (101), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:31:03,369 INFO L276 IsEmpty]: Start isEmpty. Operand 1978 states and 2634 transitions. [2021-08-25 22:31:03,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2021-08-25 22:31:03,374 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 22:31:03,374 INFO L512 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-25 22:31:03,375 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable2 [2021-08-25 22:31:03,375 INFO L402 AbstractCegarLoop]: === Iteration 4 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 22:31:03,376 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 22:31:03,376 INFO L82 PathProgramCache]: Analyzing trace with hash 327435541, now seen corresponding path program 1 times [2021-08-25 22:31:03,376 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 22:31:03,376 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [15815496] [2021-08-25 22:31:03,377 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 22:31:03,377 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 22:31:03,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 22:31:03,553 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-25 22:31:03,554 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 22:31:03,554 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [15815496] [2021-08-25 22:31:03,554 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [15815496] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-25 22:31:03,554 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-25 22:31:03,554 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2021-08-25 22:31:03,554 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1981398946] [2021-08-25 22:31:03,555 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-25 22:31:03,555 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 22:31:03,556 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-25 22:31:03,556 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 22:31:03,556 INFO L87 Difference]: Start difference. First operand 1978 states and 2634 transitions. Second operand has 3 states, 3 states have (on average 64.33333333333333) internal successors, (193), 2 states have internal predecessors, (193), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:31:05,117 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 22:31:05,117 INFO L93 Difference]: Finished difference Result 5928 states and 7897 transitions. [2021-08-25 22:31:05,118 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-25 22:31:05,118 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 64.33333333333333) internal successors, (193), 2 states have internal predecessors, (193), 0 states have call successors, (0), 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 193 [2021-08-25 22:31:05,119 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 22:31:05,133 INFO L225 Difference]: With dead ends: 5928 [2021-08-25 22:31:05,133 INFO L226 Difference]: Without dead ends: 3952 [2021-08-25 22:31:05,137 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.0ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 22:31:05,141 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3952 states. [2021-08-25 22:31:05,193 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3952 to 3952. [2021-08-25 22:31:05,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3952 states, 3951 states have (on average 1.216400911161731) internal successors, (4806), 3951 states have internal predecessors, (4806), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:31:05,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3952 states to 3952 states and 4806 transitions. [2021-08-25 22:31:05,208 INFO L78 Accepts]: Start accepts. Automaton has 3952 states and 4806 transitions. Word has length 193 [2021-08-25 22:31:05,209 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 22:31:05,209 INFO L470 AbstractCegarLoop]: Abstraction has 3952 states and 4806 transitions. [2021-08-25 22:31:05,209 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 64.33333333333333) internal successors, (193), 2 states have internal predecessors, (193), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:31:05,210 INFO L276 IsEmpty]: Start isEmpty. Operand 3952 states and 4806 transitions. [2021-08-25 22:31:05,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 280 [2021-08-25 22:31:05,213 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 22:31:05,213 INFO L512 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-25 22:31:05,213 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable3 [2021-08-25 22:31:05,214 INFO L402 AbstractCegarLoop]: === Iteration 5 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 22:31:05,214 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 22:31:05,214 INFO L82 PathProgramCache]: Analyzing trace with hash -791049858, now seen corresponding path program 1 times [2021-08-25 22:31:05,214 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 22:31:05,215 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1254575074] [2021-08-25 22:31:05,215 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 22:31:05,215 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 22:31:05,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 22:31:05,487 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-25 22:31:05,488 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 22:31:05,488 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1254575074] [2021-08-25 22:31:05,488 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1254575074] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-25 22:31:05,488 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-25 22:31:05,489 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-25 22:31:05,489 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2086346547] [2021-08-25 22:31:05,490 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-08-25 22:31:05,490 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 22:31:05,490 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-08-25 22:31:05,491 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-08-25 22:31:05,491 INFO L87 Difference]: Start difference. First operand 3952 states and 4806 transitions. Second operand has 4 states, 4 states have (on average 69.75) internal successors, (279), 3 states have internal predecessors, (279), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:31:07,188 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 22:31:07,189 INFO L93 Difference]: Finished difference Result 8269 states and 9989 transitions. [2021-08-25 22:31:07,189 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-25 22:31:07,189 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 69.75) internal successors, (279), 3 states have internal predecessors, (279), 0 states have call successors, (0), 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 279 [2021-08-25 22:31:07,190 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 22:31:07,205 INFO L225 Difference]: With dead ends: 8269 [2021-08-25 22:31:07,205 INFO L226 Difference]: Without dead ends: 4319 [2021-08-25 22:31:07,211 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 24.4ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-08-25 22:31:07,215 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4319 states. [2021-08-25 22:31:07,275 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4319 to 4281. [2021-08-25 22:31:07,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 4281 states, 4280 states have (on average 1.2011682242990653) internal successors, (5141), 4280 states have internal predecessors, (5141), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:31:07,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4281 states to 4281 states and 5141 transitions. [2021-08-25 22:31:07,291 INFO L78 Accepts]: Start accepts. Automaton has 4281 states and 5141 transitions. Word has length 279 [2021-08-25 22:31:07,291 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 22:31:07,291 INFO L470 AbstractCegarLoop]: Abstraction has 4281 states and 5141 transitions. [2021-08-25 22:31:07,292 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 69.75) internal successors, (279), 3 states have internal predecessors, (279), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:31:07,292 INFO L276 IsEmpty]: Start isEmpty. Operand 4281 states and 5141 transitions. [2021-08-25 22:31:07,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 367 [2021-08-25 22:31:07,297 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 22:31:07,297 INFO L512 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-08-25 22:31:07,297 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable4 [2021-08-25 22:31:07,298 INFO L402 AbstractCegarLoop]: === Iteration 6 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 22:31:07,298 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 22:31:07,298 INFO L82 PathProgramCache]: Analyzing trace with hash -250975345, now seen corresponding path program 1 times [2021-08-25 22:31:07,299 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 22:31:07,299 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [489998062] [2021-08-25 22:31:07,299 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 22:31:07,299 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 22:31:07,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 22:31:07,491 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 149 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2021-08-25 22:31:07,492 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 22:31:07,493 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [489998062] [2021-08-25 22:31:07,493 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [489998062] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-25 22:31:07,493 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-25 22:31:07,493 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2021-08-25 22:31:07,493 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [912660502] [2021-08-25 22:31:07,494 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 7 states [2021-08-25 22:31:07,495 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 22:31:07,496 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2021-08-25 22:31:07,498 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2021-08-25 22:31:07,499 INFO L87 Difference]: Start difference. First operand 4281 states and 5141 transitions. Second operand has 7 states, 7 states have (on average 52.285714285714285) internal successors, (366), 6 states have internal predecessors, (366), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:31:09,425 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 22:31:09,425 INFO L93 Difference]: Finished difference Result 8090 states and 9792 transitions. [2021-08-25 22:31:09,426 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2021-08-25 22:31:09,427 INFO L78 Accepts]: Start accepts. Automaton has has 7 states, 7 states have (on average 52.285714285714285) internal successors, (366), 6 states have internal predecessors, (366), 0 states have call successors, (0), 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 366 [2021-08-25 22:31:09,427 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 22:31:09,443 INFO L225 Difference]: With dead ends: 8090 [2021-08-25 22:31:09,445 INFO L226 Difference]: Without dead ends: 3952 [2021-08-25 22:31:09,451 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 46.0ms TimeCoverageRelationStatistics Valid=21, Invalid=21, Unknown=0, NotChecked=0, Total=42 [2021-08-25 22:31:09,455 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3952 states. [2021-08-25 22:31:09,499 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3952 to 3952. [2021-08-25 22:31:09,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 3952 states, 3951 states have (on average 1.0802328524424196) internal successors, (4268), 3951 states have internal predecessors, (4268), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:31:09,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3952 states to 3952 states and 4268 transitions. [2021-08-25 22:31:09,514 INFO L78 Accepts]: Start accepts. Automaton has 3952 states and 4268 transitions. Word has length 366 [2021-08-25 22:31:09,514 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 22:31:09,514 INFO L470 AbstractCegarLoop]: Abstraction has 3952 states and 4268 transitions. [2021-08-25 22:31:09,515 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 7 states, 7 states have (on average 52.285714285714285) internal successors, (366), 6 states have internal predecessors, (366), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:31:09,515 INFO L276 IsEmpty]: Start isEmpty. Operand 3952 states and 4268 transitions. [2021-08-25 22:31:09,520 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 374 [2021-08-25 22:31:09,520 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 22:31:09,520 INFO L512 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2021-08-25 22:31:09,521 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable5 [2021-08-25 22:31:09,521 INFO L402 AbstractCegarLoop]: === Iteration 7 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 22:31:09,521 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 22:31:09,522 INFO L82 PathProgramCache]: Analyzing trace with hash 873477943, now seen corresponding path program 1 times [2021-08-25 22:31:09,522 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 22:31:09,524 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [937591028] [2021-08-25 22:31:09,525 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 22:31:09,525 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 22:31:09,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 22:31:09,707 INFO L134 CoverageAnalysis]: Checked inductivity of 158 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 116 trivial. 0 not checked. [2021-08-25 22:31:09,708 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 22:31:09,708 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [937591028] [2021-08-25 22:31:09,708 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [937591028] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-25 22:31:09,708 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [677968880] [2021-08-25 22:31:09,708 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 22:31:09,709 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-25 22:31:09,709 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-25 22:31:09,710 INFO L229 MonitoredProcess]: Starting monitored process 2 with /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) [2021-08-25 22:31:09,741 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Waiting until timeout for monitored process [2021-08-25 22:31:09,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 22:31:09,903 INFO L263 TraceCheckSpWp]: Trace formula consists of 484 conjuncts, 2 conjunts are in the unsatisfiable core [2021-08-25 22:31:09,921 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-25 22:31:10,982 INFO L134 CoverageAnalysis]: Checked inductivity of 158 backedges. 63 proven. 0 refuted. 0 times theorem prover too weak. 95 trivial. 0 not checked. [2021-08-25 22:31:10,983 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [677968880] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-25 22:31:10,983 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-08-25 22:31:10,983 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [3] total 5 [2021-08-25 22:31:10,984 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [117680796] [2021-08-25 22:31:10,985 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-25 22:31:10,985 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 22:31:10,985 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-25 22:31:10,986 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-08-25 22:31:10,986 INFO L87 Difference]: Start difference. First operand 3952 states and 4268 transitions. Second operand has 3 states, 3 states have (on average 93.0) internal successors, (279), 3 states have internal predecessors, (279), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:31:12,167 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 22:31:12,168 INFO L93 Difference]: Finished difference Result 9547 states and 10414 transitions. [2021-08-25 22:31:12,168 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-25 22:31:12,168 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 93.0) internal successors, (279), 3 states have internal predecessors, (279), 0 states have call successors, (0), 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 373 [2021-08-25 22:31:12,169 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 22:31:12,186 INFO L225 Difference]: With dead ends: 9547 [2021-08-25 22:31:12,187 INFO L226 Difference]: Without dead ends: 5926 [2021-08-25 22:31:12,192 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 375 GetRequests, 372 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 15.2ms TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-08-25 22:31:12,197 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 5926 states. [2021-08-25 22:31:12,261 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 5926 to 5926. [2021-08-25 22:31:12,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 5926 states, 5925 states have (on average 1.0828691983122363) internal successors, (6416), 5925 states have internal predecessors, (6416), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:31:12,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5926 states to 5926 states and 6416 transitions. [2021-08-25 22:31:12,280 INFO L78 Accepts]: Start accepts. Automaton has 5926 states and 6416 transitions. Word has length 373 [2021-08-25 22:31:12,280 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 22:31:12,281 INFO L470 AbstractCegarLoop]: Abstraction has 5926 states and 6416 transitions. [2021-08-25 22:31:12,281 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 93.0) internal successors, (279), 3 states have internal predecessors, (279), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:31:12,282 INFO L276 IsEmpty]: Start isEmpty. Operand 5926 states and 6416 transitions. [2021-08-25 22:31:12,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 491 [2021-08-25 22:31:12,289 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 22:31:12,290 INFO L512 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-25 22:31:12,320 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (2)] Forceful destruction successful, exit code 0 [2021-08-25 22:31:12,505 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable6,2 /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-25 22:31:12,505 INFO L402 AbstractCegarLoop]: === Iteration 8 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 22:31:12,505 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 22:31:12,506 INFO L82 PathProgramCache]: Analyzing trace with hash -705649539, now seen corresponding path program 1 times [2021-08-25 22:31:12,506 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 22:31:12,506 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [907782030] [2021-08-25 22:31:12,506 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 22:31:12,506 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 22:31:12,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 22:31:12,695 INFO L134 CoverageAnalysis]: Checked inductivity of 283 backedges. 0 proven. 42 refuted. 0 times theorem prover too weak. 241 trivial. 0 not checked. [2021-08-25 22:31:12,695 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 22:31:12,695 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [907782030] [2021-08-25 22:31:12,695 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [907782030] provided 0 perfect and 1 imperfect interpolant sequences [2021-08-25 22:31:12,695 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1731009149] [2021-08-25 22:31:12,696 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 22:31:12,696 INFO L170 SolverBuilder]: Constructing external solver with command: z3 -smt2 -in SMTLIB2_COMPLIANT=true [2021-08-25 22:31:12,696 INFO L189 MonitoredProcess]: No working directory specified, using /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 [2021-08-25 22:31:12,697 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) [2021-08-25 22:31:12,698 INFO L327 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Waiting until timeout for monitored process [2021-08-25 22:31:13,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 22:31:13,010 INFO L263 TraceCheckSpWp]: Trace formula consists of 601 conjuncts, 2 conjunts are in the unsatisfiable core [2021-08-25 22:31:13,016 INFO L286 TraceCheckSpWp]: Computing forward predicates... [2021-08-25 22:31:14,534 INFO L134 CoverageAnalysis]: Checked inductivity of 283 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 283 trivial. 0 not checked. [2021-08-25 22:31:14,535 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleZ3 [1731009149] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-25 22:31:14,535 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2021-08-25 22:31:14,535 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [3] total 4 [2021-08-25 22:31:14,536 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [368532655] [2021-08-25 22:31:14,536 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-25 22:31:14,537 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 22:31:14,537 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-25 22:31:14,537 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-08-25 22:31:14,538 INFO L87 Difference]: Start difference. First operand 5926 states and 6416 transitions. Second operand has 3 states, 3 states have (on average 80.0) internal successors, (240), 2 states have internal predecessors, (240), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:31:15,442 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 22:31:15,442 INFO L93 Difference]: Finished difference Result 7573 states and 8112 transitions. [2021-08-25 22:31:15,443 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-25 22:31:15,443 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 80.0) internal successors, (240), 2 states have internal predecessors, (240), 0 states have call successors, (0), 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 490 [2021-08-25 22:31:15,444 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 22:31:15,481 INFO L225 Difference]: With dead ends: 7573 [2021-08-25 22:31:15,481 INFO L226 Difference]: Without dead ends: 7571 [2021-08-25 22:31:15,484 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 492 GetRequests, 489 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 13.7ms TimeCoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2021-08-25 22:31:15,491 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 7571 states. [2021-08-25 22:31:15,574 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 7571 to 6255. [2021-08-25 22:31:15,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 6255 states, 6254 states have (on average 1.0805884234090182) internal successors, (6758), 6254 states have internal predecessors, (6758), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:31:15,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 6255 states to 6255 states and 6758 transitions. [2021-08-25 22:31:15,604 INFO L78 Accepts]: Start accepts. Automaton has 6255 states and 6758 transitions. Word has length 490 [2021-08-25 22:31:15,605 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 22:31:15,605 INFO L470 AbstractCegarLoop]: Abstraction has 6255 states and 6758 transitions. [2021-08-25 22:31:15,608 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 80.0) internal successors, (240), 2 states have internal predecessors, (240), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:31:15,608 INFO L276 IsEmpty]: Start isEmpty. Operand 6255 states and 6758 transitions. [2021-08-25 22:31:15,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 885 [2021-08-25 22:31:15,633 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 22:31:15,634 INFO L512 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-25 22:31:15,663 INFO L540 MonitoredProcess]: [MP /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/z3 -smt2 -in SMTLIB2_COMPLIANT=true (3)] Forceful destruction successful, exit code 0 [2021-08-25 22:31:15,860 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,SelfDestructingSolverStorable7 [2021-08-25 22:31:15,861 INFO L402 AbstractCegarLoop]: === Iteration 9 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 22:31:15,861 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 22:31:15,861 INFO L82 PathProgramCache]: Analyzing trace with hash -959414867, now seen corresponding path program 1 times [2021-08-25 22:31:15,861 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 22:31:15,861 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1805023681] [2021-08-25 22:31:15,861 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 22:31:15,861 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 22:31:15,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 22:31:16,147 INFO L134 CoverageAnalysis]: Checked inductivity of 1371 backedges. 1034 proven. 0 refuted. 0 times theorem prover too weak. 337 trivial. 0 not checked. [2021-08-25 22:31:16,148 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 22:31:16,148 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1805023681] [2021-08-25 22:31:16,148 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1805023681] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-25 22:31:16,148 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-25 22:31:16,148 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-25 22:31:16,148 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1710308980] [2021-08-25 22:31:16,149 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-08-25 22:31:16,150 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 22:31:16,150 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-08-25 22:31:16,151 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-08-25 22:31:16,151 INFO L87 Difference]: Start difference. First operand 6255 states and 6758 transitions. Second operand has 4 states, 4 states have (on average 169.75) internal successors, (679), 3 states have internal predecessors, (679), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:31:17,705 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 22:31:17,706 INFO L93 Difference]: Finished difference Result 16456 states and 17847 transitions. [2021-08-25 22:31:17,706 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2021-08-25 22:31:17,706 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 169.75) internal successors, (679), 3 states have internal predecessors, (679), 0 states have call successors, (0), 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 884 [2021-08-25 22:31:17,707 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 22:31:17,722 INFO L225 Difference]: With dead ends: 16456 [2021-08-25 22:31:17,722 INFO L226 Difference]: Without dead ends: 10532 [2021-08-25 22:31:17,730 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 7.0ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-08-25 22:31:17,740 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10532 states. [2021-08-25 22:31:17,843 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10532 to 10532. [2021-08-25 22:31:17,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10532 states, 10531 states have (on average 1.0784350963821099) internal successors, (11357), 10531 states have internal predecessors, (11357), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:31:17,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10532 states to 10532 states and 11357 transitions. [2021-08-25 22:31:17,871 INFO L78 Accepts]: Start accepts. Automaton has 10532 states and 11357 transitions. Word has length 884 [2021-08-25 22:31:17,872 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 22:31:17,872 INFO L470 AbstractCegarLoop]: Abstraction has 10532 states and 11357 transitions. [2021-08-25 22:31:17,873 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 169.75) internal successors, (679), 3 states have internal predecessors, (679), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:31:17,873 INFO L276 IsEmpty]: Start isEmpty. Operand 10532 states and 11357 transitions. [2021-08-25 22:31:17,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 923 [2021-08-25 22:31:17,907 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 22:31:17,907 INFO L512 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-25 22:31:17,908 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable8 [2021-08-25 22:31:17,908 INFO L402 AbstractCegarLoop]: === Iteration 10 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 22:31:17,908 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 22:31:17,908 INFO L82 PathProgramCache]: Analyzing trace with hash -1587158144, now seen corresponding path program 1 times [2021-08-25 22:31:17,909 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 22:31:17,911 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [103940948] [2021-08-25 22:31:17,911 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 22:31:17,911 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 22:31:17,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 22:31:18,220 INFO L134 CoverageAnalysis]: Checked inductivity of 1840 backedges. 1170 proven. 0 refuted. 0 times theorem prover too weak. 670 trivial. 0 not checked. [2021-08-25 22:31:18,222 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 22:31:18,222 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [103940948] [2021-08-25 22:31:18,222 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [103940948] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-25 22:31:18,223 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-25 22:31:18,223 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-25 22:31:18,223 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1987454630] [2021-08-25 22:31:18,224 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-08-25 22:31:18,224 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 22:31:18,225 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-08-25 22:31:18,226 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-08-25 22:31:18,226 INFO L87 Difference]: Start difference. First operand 10532 states and 11357 transitions. Second operand has 4 states, 4 states have (on average 148.25) internal successors, (593), 3 states have internal predecessors, (593), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:31:19,179 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 22:31:19,179 INFO L93 Difference]: Finished difference Result 20404 states and 22045 transitions. [2021-08-25 22:31:19,179 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-25 22:31:19,180 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 148.25) internal successors, (593), 3 states have internal predecessors, (593), 0 states have call successors, (0), 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 922 [2021-08-25 22:31:19,180 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 22:31:19,197 INFO L225 Difference]: With dead ends: 20404 [2021-08-25 22:31:19,197 INFO L226 Difference]: Without dead ends: 10532 [2021-08-25 22:31:19,208 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 10.4ms TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2021-08-25 22:31:19,218 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 10532 states. [2021-08-25 22:31:19,319 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 10532 to 10532. [2021-08-25 22:31:19,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 10532 states, 10531 states have (on average 1.0781502231506979) internal successors, (11354), 10531 states have internal predecessors, (11354), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:31:19,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 10532 states to 10532 states and 11354 transitions. [2021-08-25 22:31:19,347 INFO L78 Accepts]: Start accepts. Automaton has 10532 states and 11354 transitions. Word has length 922 [2021-08-25 22:31:19,348 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 22:31:19,348 INFO L470 AbstractCegarLoop]: Abstraction has 10532 states and 11354 transitions. [2021-08-25 22:31:19,349 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 148.25) internal successors, (593), 3 states have internal predecessors, (593), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:31:19,349 INFO L276 IsEmpty]: Start isEmpty. Operand 10532 states and 11354 transitions. [2021-08-25 22:31:19,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 984 [2021-08-25 22:31:19,369 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 22:31:19,370 INFO L512 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 2, 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] [2021-08-25 22:31:19,370 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable9 [2021-08-25 22:31:19,371 INFO L402 AbstractCegarLoop]: === Iteration 11 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 22:31:19,371 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 22:31:19,371 INFO L82 PathProgramCache]: Analyzing trace with hash -465894962, now seen corresponding path program 1 times [2021-08-25 22:31:19,371 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 22:31:19,372 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2023175196] [2021-08-25 22:31:19,372 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 22:31:19,372 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 22:31:19,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 22:31:19,751 INFO L134 CoverageAnalysis]: Checked inductivity of 1937 backedges. 1244 proven. 0 refuted. 0 times theorem prover too weak. 693 trivial. 0 not checked. [2021-08-25 22:31:19,751 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 22:31:19,751 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2023175196] [2021-08-25 22:31:19,751 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [2023175196] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-25 22:31:19,752 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-25 22:31:19,752 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-25 22:31:19,752 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [356587888] [2021-08-25 22:31:19,753 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-25 22:31:19,753 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 22:31:19,753 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-25 22:31:19,754 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 22:31:19,754 INFO L87 Difference]: Start difference. First operand 10532 states and 11354 transitions. Second operand has 3 states, 3 states have (on average 182.33333333333334) internal successors, (547), 3 states have internal predecessors, (547), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:31:20,789 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 22:31:20,789 INFO L93 Difference]: Finished difference Result 23036 states and 24995 transitions. [2021-08-25 22:31:20,790 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-25 22:31:20,790 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 182.33333333333334) internal successors, (547), 3 states have internal predecessors, (547), 0 states have call successors, (0), 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 983 [2021-08-25 22:31:20,791 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 22:31:20,818 INFO L225 Difference]: With dead ends: 23036 [2021-08-25 22:31:20,818 INFO L226 Difference]: Without dead ends: 13164 [2021-08-25 22:31:20,829 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.8ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 22:31:20,843 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 13164 states. [2021-08-25 22:31:20,974 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 13164 to 13164. [2021-08-25 22:31:20,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13164 states, 13163 states have (on average 1.0643470333510598) internal successors, (14010), 13163 states have internal predecessors, (14010), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:31:21,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13164 states to 13164 states and 14010 transitions. [2021-08-25 22:31:21,005 INFO L78 Accepts]: Start accepts. Automaton has 13164 states and 14010 transitions. Word has length 983 [2021-08-25 22:31:21,007 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 22:31:21,007 INFO L470 AbstractCegarLoop]: Abstraction has 13164 states and 14010 transitions. [2021-08-25 22:31:21,007 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 182.33333333333334) internal successors, (547), 3 states have internal predecessors, (547), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:31:21,007 INFO L276 IsEmpty]: Start isEmpty. Operand 13164 states and 14010 transitions. [2021-08-25 22:31:21,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 985 [2021-08-25 22:31:21,027 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 22:31:21,028 INFO L512 BasicCegarLoop]: trace histogram [7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 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, 2, 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] [2021-08-25 22:31:21,028 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable10 [2021-08-25 22:31:21,028 INFO L402 AbstractCegarLoop]: === Iteration 12 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 22:31:21,029 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 22:31:21,029 INFO L82 PathProgramCache]: Analyzing trace with hash -1765534395, now seen corresponding path program 1 times [2021-08-25 22:31:21,029 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 22:31:21,029 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1013059754] [2021-08-25 22:31:21,030 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 22:31:21,030 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 22:31:21,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 22:31:21,346 INFO L134 CoverageAnalysis]: Checked inductivity of 1942 backedges. 880 proven. 0 refuted. 0 times theorem prover too weak. 1062 trivial. 0 not checked. [2021-08-25 22:31:21,347 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 22:31:21,347 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1013059754] [2021-08-25 22:31:21,347 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1013059754] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-25 22:31:21,347 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-25 22:31:21,348 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-25 22:31:21,348 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1709146425] [2021-08-25 22:31:21,349 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-25 22:31:21,349 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 22:31:21,349 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-25 22:31:21,349 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 22:31:21,350 INFO L87 Difference]: Start difference. First operand 13164 states and 14010 transitions. Second operand has 3 states, 3 states have (on average 156.0) internal successors, (468), 3 states have internal predecessors, (468), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:31:22,221 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 22:31:22,221 INFO L93 Difference]: Finished difference Result 26655 states and 28407 transitions. [2021-08-25 22:31:22,222 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-25 22:31:22,222 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 156.0) internal successors, (468), 3 states have internal predecessors, (468), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) Word has length 984 [2021-08-25 22:31:22,223 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 22:31:22,246 INFO L225 Difference]: With dead ends: 26655 [2021-08-25 22:31:22,247 INFO L226 Difference]: Without dead ends: 14151 [2021-08-25 22:31:22,260 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.9ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 22:31:22,271 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 14151 states. [2021-08-25 22:31:22,434 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 14151 to 13493. [2021-08-25 22:31:22,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 13493 states, 13492 states have (on average 1.0558108508745923) internal successors, (14245), 13492 states have internal predecessors, (14245), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:31:22,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13493 states to 13493 states and 14245 transitions. [2021-08-25 22:31:22,464 INFO L78 Accepts]: Start accepts. Automaton has 13493 states and 14245 transitions. Word has length 984 [2021-08-25 22:31:22,465 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 22:31:22,465 INFO L470 AbstractCegarLoop]: Abstraction has 13493 states and 14245 transitions. [2021-08-25 22:31:22,465 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 156.0) internal successors, (468), 3 states have internal predecessors, (468), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:31:22,466 INFO L276 IsEmpty]: Start isEmpty. Operand 13493 states and 14245 transitions. [2021-08-25 22:31:22,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 999 [2021-08-25 22:31:22,492 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 22:31:22,494 INFO L512 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-25 22:31:22,495 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable11 [2021-08-25 22:31:22,495 INFO L402 AbstractCegarLoop]: === Iteration 13 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 22:31:22,495 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 22:31:22,496 INFO L82 PathProgramCache]: Analyzing trace with hash -1342899908, now seen corresponding path program 1 times [2021-08-25 22:31:22,496 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 22:31:22,496 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [20257368] [2021-08-25 22:31:22,496 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 22:31:22,496 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 22:31:22,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 22:31:22,850 INFO L134 CoverageAnalysis]: Checked inductivity of 1835 backedges. 862 proven. 0 refuted. 0 times theorem prover too weak. 973 trivial. 0 not checked. [2021-08-25 22:31:22,851 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 22:31:22,851 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [20257368] [2021-08-25 22:31:22,851 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [20257368] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-25 22:31:22,851 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-25 22:31:22,851 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-25 22:31:22,852 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [504869004] [2021-08-25 22:31:22,853 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-25 22:31:22,853 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 22:31:22,853 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-25 22:31:22,854 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 22:31:22,854 INFO L87 Difference]: Start difference. First operand 13493 states and 14245 transitions. Second operand has 3 states, 3 states have (on average 155.66666666666666) internal successors, (467), 3 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:31:23,727 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 22:31:23,727 INFO L93 Difference]: Finished difference Result 31919 states and 33747 transitions. [2021-08-25 22:31:23,727 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-25 22:31:23,727 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 155.66666666666666) internal successors, (467), 3 states have internal predecessors, (467), 0 states have call successors, (0), 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 998 [2021-08-25 22:31:23,728 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 22:31:23,753 INFO L225 Difference]: With dead ends: 31919 [2021-08-25 22:31:23,753 INFO L226 Difference]: Without dead ends: 16783 [2021-08-25 22:31:23,766 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.9ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 22:31:23,779 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 16783 states. [2021-08-25 22:31:24,004 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 16783 to 16783. [2021-08-25 22:31:24,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 16783 states, 16782 states have (on average 1.042188058634251) internal successors, (17490), 16782 states have internal predecessors, (17490), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:31:24,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 16783 states to 16783 states and 17490 transitions. [2021-08-25 22:31:24,039 INFO L78 Accepts]: Start accepts. Automaton has 16783 states and 17490 transitions. Word has length 998 [2021-08-25 22:31:24,040 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 22:31:24,040 INFO L470 AbstractCegarLoop]: Abstraction has 16783 states and 17490 transitions. [2021-08-25 22:31:24,041 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 155.66666666666666) internal successors, (467), 3 states have internal predecessors, (467), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:31:24,041 INFO L276 IsEmpty]: Start isEmpty. Operand 16783 states and 17490 transitions. [2021-08-25 22:31:24,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1314 [2021-08-25 22:31:24,068 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 22:31:24,069 INFO L512 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-25 22:31:24,069 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable12 [2021-08-25 22:31:24,069 INFO L402 AbstractCegarLoop]: === Iteration 14 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 22:31:24,070 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 22:31:24,070 INFO L82 PathProgramCache]: Analyzing trace with hash 226354803, now seen corresponding path program 1 times [2021-08-25 22:31:24,070 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 22:31:24,070 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [251038141] [2021-08-25 22:31:24,070 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 22:31:24,071 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 22:31:24,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 22:31:24,483 INFO L134 CoverageAnalysis]: Checked inductivity of 3587 backedges. 1175 proven. 0 refuted. 0 times theorem prover too weak. 2412 trivial. 0 not checked. [2021-08-25 22:31:24,483 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 22:31:24,483 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [251038141] [2021-08-25 22:31:24,483 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [251038141] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-25 22:31:24,484 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-25 22:31:24,484 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-25 22:31:24,486 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1399945909] [2021-08-25 22:31:24,487 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-25 22:31:24,487 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 22:31:24,487 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-25 22:31:24,487 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 22:31:24,488 INFO L87 Difference]: Start difference. First operand 16783 states and 17490 transitions. Second operand has 3 states, 3 states have (on average 152.66666666666666) internal successors, (458), 3 states have internal predecessors, (458), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:31:25,410 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 22:31:25,411 INFO L93 Difference]: Finished difference Result 35538 states and 37147 transitions. [2021-08-25 22:31:25,411 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-25 22:31:25,411 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 152.66666666666666) internal successors, (458), 3 states have internal predecessors, (458), 0 states have call successors, (0), 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 1313 [2021-08-25 22:31:25,412 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 22:31:25,439 INFO L225 Difference]: With dead ends: 35538 [2021-08-25 22:31:25,440 INFO L226 Difference]: Without dead ends: 17770 [2021-08-25 22:31:25,453 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.8ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 22:31:25,468 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17770 states. [2021-08-25 22:31:25,650 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17770 to 17112. [2021-08-25 22:31:25,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17112 states, 17111 states have (on average 1.0351820466366666) internal successors, (17713), 17111 states have internal predecessors, (17713), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:31:25,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17112 states to 17112 states and 17713 transitions. [2021-08-25 22:31:25,684 INFO L78 Accepts]: Start accepts. Automaton has 17112 states and 17713 transitions. Word has length 1313 [2021-08-25 22:31:25,685 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 22:31:25,686 INFO L470 AbstractCegarLoop]: Abstraction has 17112 states and 17713 transitions. [2021-08-25 22:31:25,686 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 152.66666666666666) internal successors, (458), 3 states have internal predecessors, (458), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:31:25,686 INFO L276 IsEmpty]: Start isEmpty. Operand 17112 states and 17713 transitions. [2021-08-25 22:31:25,720 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1391 [2021-08-25 22:31:25,721 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 22:31:25,722 INFO L512 BasicCegarLoop]: trace histogram [8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-25 22:31:25,723 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable13 [2021-08-25 22:31:25,723 INFO L402 AbstractCegarLoop]: === Iteration 15 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 22:31:25,725 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 22:31:25,725 INFO L82 PathProgramCache]: Analyzing trace with hash -1462333655, now seen corresponding path program 1 times [2021-08-25 22:31:25,725 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 22:31:25,725 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1008991583] [2021-08-25 22:31:25,726 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 22:31:25,726 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 22:31:25,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 22:31:26,165 INFO L134 CoverageAnalysis]: Checked inductivity of 3385 backedges. 1932 proven. 0 refuted. 0 times theorem prover too weak. 1453 trivial. 0 not checked. [2021-08-25 22:31:26,166 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 22:31:26,168 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1008991583] [2021-08-25 22:31:26,168 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1008991583] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-25 22:31:26,168 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-25 22:31:26,168 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-25 22:31:26,168 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [724673751] [2021-08-25 22:31:26,169 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-25 22:31:26,169 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 22:31:26,170 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-25 22:31:26,170 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 22:31:26,170 INFO L87 Difference]: Start difference. First operand 17112 states and 17713 transitions. Second operand has 3 states, 3 states have (on average 171.0) internal successors, (513), 3 states have internal predecessors, (513), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:31:27,080 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 22:31:27,080 INFO L93 Difference]: Finished difference Result 33564 states and 34760 transitions. [2021-08-25 22:31:27,080 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-25 22:31:27,080 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 171.0) internal successors, (513), 3 states have internal predecessors, (513), 0 states have call successors, (0), 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 1390 [2021-08-25 22:31:27,081 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 22:31:27,095 INFO L225 Difference]: With dead ends: 33564 [2021-08-25 22:31:27,095 INFO L226 Difference]: Without dead ends: 17112 [2021-08-25 22:31:27,104 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 2.0ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 22:31:27,116 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17112 states. [2021-08-25 22:31:27,247 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17112 to 17112. [2021-08-25 22:31:27,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 17112 states, 17111 states have (on average 1.0327274852434107) internal successors, (17671), 17111 states have internal predecessors, (17671), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:31:27,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17112 states to 17112 states and 17671 transitions. [2021-08-25 22:31:27,286 INFO L78 Accepts]: Start accepts. Automaton has 17112 states and 17671 transitions. Word has length 1390 [2021-08-25 22:31:27,287 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 22:31:27,287 INFO L470 AbstractCegarLoop]: Abstraction has 17112 states and 17671 transitions. [2021-08-25 22:31:27,287 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 171.0) internal successors, (513), 3 states have internal predecessors, (513), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:31:27,287 INFO L276 IsEmpty]: Start isEmpty. Operand 17112 states and 17671 transitions. [2021-08-25 22:31:27,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1430 [2021-08-25 22:31:27,316 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 22:31:27,317 INFO L512 BasicCegarLoop]: trace histogram [9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-25 22:31:27,318 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable14 [2021-08-25 22:31:27,318 INFO L402 AbstractCegarLoop]: === Iteration 16 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 22:31:27,319 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 22:31:27,319 INFO L82 PathProgramCache]: Analyzing trace with hash -1011299682, now seen corresponding path program 1 times [2021-08-25 22:31:27,319 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 22:31:27,319 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1214192729] [2021-08-25 22:31:27,320 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 22:31:27,320 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 22:31:27,429 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 22:31:27,744 INFO L134 CoverageAnalysis]: Checked inductivity of 3774 backedges. 255 proven. 0 refuted. 0 times theorem prover too weak. 3519 trivial. 0 not checked. [2021-08-25 22:31:27,744 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 22:31:27,744 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1214192729] [2021-08-25 22:31:27,745 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1214192729] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-25 22:31:27,745 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-25 22:31:27,745 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2021-08-25 22:31:27,745 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1255367817] [2021-08-25 22:31:27,746 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 4 states [2021-08-25 22:31:27,746 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 22:31:27,747 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2021-08-25 22:31:27,747 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2021-08-25 22:31:27,747 INFO L87 Difference]: Start difference. First operand 17112 states and 17671 transitions. Second operand has 4 states, 4 states have (on average 82.25) internal successors, (329), 4 states have internal predecessors, (329), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:31:29,324 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 22:31:29,324 INFO L93 Difference]: Finished difference Result 37207 states and 38427 transitions. [2021-08-25 22:31:29,325 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2021-08-25 22:31:29,325 INFO L78 Accepts]: Start accepts. Automaton has has 4 states, 4 states have (on average 82.25) internal successors, (329), 4 states have internal predecessors, (329), 0 states have call successors, (0), 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 1429 [2021-08-25 22:31:29,326 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 22:31:29,345 INFO L225 Difference]: With dead ends: 37207 [2021-08-25 22:31:29,345 INFO L226 Difference]: Without dead ends: 19744 [2021-08-25 22:31:29,359 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 6 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 14.3ms TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2021-08-25 22:31:29,375 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 19744 states. [2021-08-25 22:31:29,551 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 19744 to 15796. [2021-08-25 22:31:29,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 15796 states, 15795 states have (on average 1.033744855967078) internal successors, (16328), 15795 states have internal predecessors, (16328), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:31:29,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15796 states to 15796 states and 16328 transitions. [2021-08-25 22:31:29,581 INFO L78 Accepts]: Start accepts. Automaton has 15796 states and 16328 transitions. Word has length 1429 [2021-08-25 22:31:29,582 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 22:31:29,582 INFO L470 AbstractCegarLoop]: Abstraction has 15796 states and 16328 transitions. [2021-08-25 22:31:29,582 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 4 states, 4 states have (on average 82.25) internal successors, (329), 4 states have internal predecessors, (329), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:31:29,583 INFO L276 IsEmpty]: Start isEmpty. Operand 15796 states and 16328 transitions. [2021-08-25 22:31:29,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 1446 [2021-08-25 22:31:29,611 INFO L504 BasicCegarLoop]: Found error trace [2021-08-25 22:31:29,612 INFO L512 BasicCegarLoop]: trace histogram [10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 10, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 9, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 8, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 7, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 6, 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2021-08-25 22:31:29,612 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable15 [2021-08-25 22:31:29,612 INFO L402 AbstractCegarLoop]: === Iteration 17 === Targeting ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION] === [2021-08-25 22:31:29,612 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2021-08-25 22:31:29,613 INFO L82 PathProgramCache]: Analyzing trace with hash -405099919, now seen corresponding path program 1 times [2021-08-25 22:31:29,613 INFO L121 FreeRefinementEngine]: Executing refinement strategy CAMEL [2021-08-25 22:31:29,613 INFO L332 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1565839385] [2021-08-25 22:31:29,613 INFO L95 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2021-08-25 22:31:29,613 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout -1 ms and remaining time -1 ms [2021-08-25 22:31:29,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2021-08-25 22:31:29,996 INFO L134 CoverageAnalysis]: Checked inductivity of 4703 backedges. 3146 proven. 0 refuted. 0 times theorem prover too weak. 1557 trivial. 0 not checked. [2021-08-25 22:31:29,997 INFO L139 FreeRefinementEngine]: Strategy CAMEL found an infeasible trace [2021-08-25 22:31:29,997 INFO L332 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1565839385] [2021-08-25 22:31:29,997 INFO L160 FreeRefinementEngine]: IpTcStrategyModuleSmtInterpolCraig [1565839385] provided 1 perfect and 0 imperfect interpolant sequences [2021-08-25 22:31:29,997 INFO L186 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2021-08-25 22:31:29,997 INFO L199 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2021-08-25 22:31:29,997 INFO L115 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [31863413] [2021-08-25 22:31:29,999 INFO L546 AbstractCegarLoop]: INTERPOLANT automaton has 3 states [2021-08-25 22:31:29,999 INFO L103 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2021-08-25 22:31:29,999 INFO L143 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2021-08-25 22:31:29,999 INFO L145 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 22:31:30,000 INFO L87 Difference]: Start difference. First operand 15796 states and 16328 transitions. Second operand has 3 states, 3 states have (on average 198.66666666666666) internal successors, (596), 3 states have internal predecessors, (596), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:31:30,923 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2021-08-25 22:31:30,923 INFO L93 Difference]: Finished difference Result 30930 states and 31989 transitions. [2021-08-25 22:31:30,923 INFO L141 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2021-08-25 22:31:30,924 INFO L78 Accepts]: Start accepts. Automaton has has 3 states, 3 states have (on average 198.66666666666666) internal successors, (596), 3 states have internal predecessors, (596), 0 states have call successors, (0), 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 1445 [2021-08-25 22:31:30,924 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2021-08-25 22:31:30,924 INFO L225 Difference]: With dead ends: 30930 [2021-08-25 22:31:30,924 INFO L226 Difference]: Without dead ends: 0 [2021-08-25 22:31:30,934 INFO L781 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 1.9ms TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2021-08-25 22:31:30,934 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2021-08-25 22:31:30,935 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2021-08-25 22:31:30,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand has 0 states, 0 states have (on average 0.0) internal successors, (0), 0 states have internal predecessors, (0), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:31:30,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2021-08-25 22:31:30,935 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 1445 [2021-08-25 22:31:30,935 INFO L84 Accepts]: Finished accepts. word is rejected. [2021-08-25 22:31:30,935 INFO L470 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2021-08-25 22:31:30,935 INFO L471 AbstractCegarLoop]: INTERPOLANT automaton has has 3 states, 3 states have (on average 198.66666666666666) internal successors, (596), 3 states have internal predecessors, (596), 0 states have call successors, (0), 0 states have call predecessors, (0), 0 states have return successors, (0), 0 states have call predecessors, (0), 0 states have call successors, (0) [2021-08-25 22:31:30,936 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2021-08-25 22:31:30,936 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2021-08-25 22:31:30,938 INFO L764 garLoopResultBuilder]: Registering result SAFE for location ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION [2021-08-25 22:31:30,938 WARN L452 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: SelfDestructingSolverStorable16 [2021-08-25 22:31:30,940 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2021-08-25 22:31:30,946 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-25 22:31:31,034 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-25 22:31:31,082 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-25 22:31:31,151 INFO L128 SolverBuilder]: Constructing new instance of SMTInterpol with explicit timeout 10000 ms and remaining time -1 ms [2021-08-25 22:31:32,023 INFO L857 garLoopResultBuilder]: For program point L762(lines 762 1500) no Hoare annotation was computed. [2021-08-25 22:31:32,023 INFO L857 garLoopResultBuilder]: For program point L696(lines 696 1500) no Hoare annotation was computed. [2021-08-25 22:31:32,023 INFO L857 garLoopResultBuilder]: For program point L564(lines 564 1500) no Hoare annotation was computed. [2021-08-25 22:31:32,023 INFO L857 garLoopResultBuilder]: For program point L366(lines 366 1500) no Hoare annotation was computed. [2021-08-25 22:31:32,023 INFO L857 garLoopResultBuilder]: For program point L1357(lines 1357 1500) no Hoare annotation was computed. [2021-08-25 22:31:32,024 INFO L857 garLoopResultBuilder]: For program point L300(lines 300 1500) no Hoare annotation was computed. [2021-08-25 22:31:32,024 INFO L857 garLoopResultBuilder]: For program point L1159(lines 1159 1500) no Hoare annotation was computed. [2021-08-25 22:31:32,024 INFO L857 garLoopResultBuilder]: For program point L1556(lines 1556 1773) no Hoare annotation was computed. [2021-08-25 22:31:32,024 INFO L857 garLoopResultBuilder]: For program point L499(lines 499 1500) no Hoare annotation was computed. [2021-08-25 22:31:32,024 INFO L857 garLoopResultBuilder]: For program point L169-1(lines 33 1502) no Hoare annotation was computed. [2021-08-25 22:31:32,024 INFO L857 garLoopResultBuilder]: For program point L103-1(lines 33 1502) no Hoare annotation was computed. [2021-08-25 22:31:32,024 INFO L857 garLoopResultBuilder]: For program point L37-1(lines 33 1502) no Hoare annotation was computed. [2021-08-25 22:31:32,024 INFO L857 garLoopResultBuilder]: For program point L1028(lines 1028 1500) no Hoare annotation was computed. [2021-08-25 22:31:32,024 INFO L857 garLoopResultBuilder]: For program point L434(lines 434 1500) no Hoare annotation was computed. [2021-08-25 22:31:32,024 INFO L857 garLoopResultBuilder]: For program point L1425(lines 1425 1500) no Hoare annotation was computed. [2021-08-25 22:31:32,025 INFO L857 garLoopResultBuilder]: For program point L170(line 170) no Hoare annotation was computed. [2021-08-25 22:31:32,025 INFO L857 garLoopResultBuilder]: For program point L104(line 104) no Hoare annotation was computed. [2021-08-25 22:31:32,025 INFO L857 garLoopResultBuilder]: For program point L38(line 38) no Hoare annotation was computed. [2021-08-25 22:31:32,025 INFO L857 garLoopResultBuilder]: For program point L1756(lines 1756 1773) no Hoare annotation was computed. [2021-08-25 22:31:32,025 INFO L857 garLoopResultBuilder]: For program point L1096(lines 1096 1500) no Hoare annotation was computed. [2021-08-25 22:31:32,025 INFO L857 garLoopResultBuilder]: For program point L964(lines 964 1500) no Hoare annotation was computed. [2021-08-25 22:31:32,025 INFO L857 garLoopResultBuilder]: For program point L898(lines 898 1500) no Hoare annotation was computed. [2021-08-25 22:31:32,025 INFO L857 garLoopResultBuilder]: For program point L832(lines 832 1500) no Hoare annotation was computed. [2021-08-25 22:31:32,025 INFO L857 garLoopResultBuilder]: For program point L634(lines 634 1500) no Hoare annotation was computed. [2021-08-25 22:31:32,025 INFO L857 garLoopResultBuilder]: For program point L172-1(lines 33 1502) no Hoare annotation was computed. [2021-08-25 22:31:32,025 INFO L857 garLoopResultBuilder]: For program point L106-1(lines 33 1502) no Hoare annotation was computed. [2021-08-25 22:31:32,025 INFO L857 garLoopResultBuilder]: For program point L40-1(lines 33 1502) no Hoare annotation was computed. [2021-08-25 22:31:32,026 INFO L857 garLoopResultBuilder]: For program point L701(lines 701 1500) no Hoare annotation was computed. [2021-08-25 22:31:32,026 INFO L857 garLoopResultBuilder]: For program point L1692(lines 1692 1773) no Hoare annotation was computed. [2021-08-25 22:31:32,026 INFO L857 garLoopResultBuilder]: For program point L1626(lines 1626 1773) no Hoare annotation was computed. [2021-08-25 22:31:32,026 INFO L857 garLoopResultBuilder]: For program point L1494(lines 1494 1500) no Hoare annotation was computed. [2021-08-25 22:31:32,026 INFO L857 garLoopResultBuilder]: For program point L437(lines 437 1500) no Hoare annotation was computed. [2021-08-25 22:31:32,026 INFO L857 garLoopResultBuilder]: For program point L371(lines 371 1500) no Hoare annotation was computed. [2021-08-25 22:31:32,026 INFO L857 garLoopResultBuilder]: For program point L1296(lines 1296 1500) no Hoare annotation was computed. [2021-08-25 22:31:32,026 INFO L857 garLoopResultBuilder]: For program point L239(lines 239 1500) no Hoare annotation was computed. [2021-08-25 22:31:32,027 INFO L857 garLoopResultBuilder]: For program point L1230(lines 1230 1500) no Hoare annotation was computed. [2021-08-25 22:31:32,027 INFO L857 garLoopResultBuilder]: For program point L173(line 173) no Hoare annotation was computed. [2021-08-25 22:31:32,027 INFO L857 garLoopResultBuilder]: For program point L107(line 107) no Hoare annotation was computed. [2021-08-25 22:31:32,027 INFO L857 garLoopResultBuilder]: For program point L41(line 41) no Hoare annotation was computed. [2021-08-25 22:31:32,027 INFO L857 garLoopResultBuilder]: For program point L768(lines 768 1500) no Hoare annotation was computed. [2021-08-25 22:31:32,027 INFO L857 garLoopResultBuilder]: For program point L570(lines 570 1500) no Hoare annotation was computed. [2021-08-25 22:31:32,027 INFO L857 garLoopResultBuilder]: For program point L1363(lines 1363 1500) no Hoare annotation was computed. [2021-08-25 22:31:32,028 INFO L857 garLoopResultBuilder]: For program point L1165(lines 1165 1500) no Hoare annotation was computed. [2021-08-25 22:31:32,028 INFO L857 garLoopResultBuilder]: For program point L505(lines 505 1500) no Hoare annotation was computed. [2021-08-25 22:31:32,028 INFO L857 garLoopResultBuilder]: For program point L307(lines 307 1500) no Hoare annotation was computed. [2021-08-25 22:31:32,028 INFO L857 garLoopResultBuilder]: For program point L175-1(lines 33 1502) no Hoare annotation was computed. [2021-08-25 22:31:32,028 INFO L857 garLoopResultBuilder]: For program point L109-1(lines 33 1502) no Hoare annotation was computed. [2021-08-25 22:31:32,028 INFO L857 garLoopResultBuilder]: For program point L43-1(lines 33 1502) no Hoare annotation was computed. [2021-08-25 22:31:32,028 INFO L857 garLoopResultBuilder]: For program point L1563(lines 1563 1773) no Hoare annotation was computed. [2021-08-25 22:31:32,028 INFO L857 garLoopResultBuilder]: For program point L176(line 176) no Hoare annotation was computed. [2021-08-25 22:31:32,029 INFO L857 garLoopResultBuilder]: For program point L110(line 110) no Hoare annotation was computed. [2021-08-25 22:31:32,029 INFO L857 garLoopResultBuilder]: For program point L44(line 44) no Hoare annotation was computed. [2021-08-25 22:31:32,029 INFO L857 garLoopResultBuilder]: For program point L1035(lines 1035 1500) no Hoare annotation was computed. [2021-08-25 22:31:32,029 INFO L857 garLoopResultBuilder]: For program point L1762(lines 1762 1773) no Hoare annotation was computed. [2021-08-25 22:31:32,029 INFO L857 garLoopResultBuilder]: For program point L1432(lines 1432 1500) no Hoare annotation was computed. [2021-08-25 22:31:32,029 INFO L857 garLoopResultBuilder]: For program point L1102(lines 1102 1500) no Hoare annotation was computed. [2021-08-25 22:31:32,029 INFO L857 garLoopResultBuilder]: For program point L904(lines 904 1500) no Hoare annotation was computed. [2021-08-25 22:31:32,029 INFO L857 garLoopResultBuilder]: For program point L838(lines 838 1500) no Hoare annotation was computed. [2021-08-25 22:31:32,030 INFO L857 garLoopResultBuilder]: For program point L706(lines 706 1500) no Hoare annotation was computed. [2021-08-25 22:31:32,030 INFO L857 garLoopResultBuilder]: For program point L1697(lines 1697 1773) no Hoare annotation was computed. [2021-08-25 22:31:32,030 INFO L857 garLoopResultBuilder]: For program point L1301(lines 1301 1500) no Hoare annotation was computed. [2021-08-25 22:31:32,030 INFO L857 garLoopResultBuilder]: For program point L178-1(lines 33 1502) no Hoare annotation was computed. [2021-08-25 22:31:32,030 INFO L857 garLoopResultBuilder]: For program point L112-1(lines 33 1502) no Hoare annotation was computed. [2021-08-25 22:31:32,030 INFO L857 garLoopResultBuilder]: For program point L46-1(lines 33 1502) no Hoare annotation was computed. [2021-08-25 22:31:32,030 INFO L857 garLoopResultBuilder]: For program point L971(lines 971 1500) no Hoare annotation was computed. [2021-08-25 22:31:32,031 INFO L857 garLoopResultBuilder]: For program point L773(lines 773 1500) no Hoare annotation was computed. [2021-08-25 22:31:32,031 INFO L857 garLoopResultBuilder]: For program point L641(lines 641 1500) no Hoare annotation was computed. [2021-08-25 22:31:32,031 INFO L857 garLoopResultBuilder]: For program point L1632(lines 1632 1773) no Hoare annotation was computed. [2021-08-25 22:31:32,031 INFO L857 garLoopResultBuilder]: For program point L377(lines 377 1500) no Hoare annotation was computed. [2021-08-25 22:31:32,031 INFO L857 garLoopResultBuilder]: For program point L1368(lines 1368 1500) no Hoare annotation was computed. [2021-08-25 22:31:32,031 INFO L857 garLoopResultBuilder]: For program point L245(lines 245 1500) no Hoare annotation was computed. [2021-08-25 22:31:32,031 INFO L857 garLoopResultBuilder]: For program point L179(line 179) no Hoare annotation was computed. [2021-08-25 22:31:32,031 INFO L857 garLoopResultBuilder]: For program point L1170(lines 1170 1500) no Hoare annotation was computed. [2021-08-25 22:31:32,032 INFO L857 garLoopResultBuilder]: For program point L113(line 113) no Hoare annotation was computed. [2021-08-25 22:31:32,032 INFO L857 garLoopResultBuilder]: For program point L47(line 47) no Hoare annotation was computed. [2021-08-25 22:31:32,032 INFO L853 garLoopResultBuilder]: At program point L1501(lines 33 1502) the Hoare annotation is: (let ((.cse10 (+ 87 ~a18~0))) (let ((.cse3 (= ~a15~0 3)) (.cse2 (<= .cse10 0)) (.cse5 (= ~a16~0 8)) (.cse4 (<= 0 .cse10)) (.cse7 (= ~a16~0 9)) (.cse1 (= ~a12~0 8)) (.cse6 (= ~a12~0 9)) (.cse9 (<= 11 ~a16~0)) (.cse0 (<= ~a15~0 3)) (.cse8 (<= ~a18~0 134))) (or (and .cse0 .cse1 .cse2) (and (= ~a16~0 10) .cse1 .cse3) (and .cse4 .cse0 (<= ~a12~0 6)) (and .cse5 .cse0) (and (<= ~a12~0 7) (<= ~a16~0 11)) (and (= 5 ~a12~0) .cse3) (and .cse6 .cse7 .cse0) (and .cse6 .cse0 .cse2) (and .cse5 .cse1 .cse8) (and .cse6 .cse5) (and .cse7 .cse1 .cse8) (and .cse4 .cse7 .cse0 .cse8) (and .cse6 .cse7 .cse8) (and .cse0 .cse1 .cse9) (and .cse6 .cse0 .cse9) (and .cse0 (= 7 ~a12~0) .cse8)))) [2021-08-25 22:31:32,032 INFO L857 garLoopResultBuilder]: For program point L444(lines 444 1500) no Hoare annotation was computed. [2021-08-25 22:31:32,033 INFO L857 garLoopResultBuilder]: For program point L1237(lines 1237 1500) no Hoare annotation was computed. [2021-08-25 22:31:32,033 INFO L857 garLoopResultBuilder]: For program point L577(lines 577 1500) no Hoare annotation was computed. [2021-08-25 22:31:32,033 INFO L857 garLoopResultBuilder]: For program point L511(lines 511 1500) no Hoare annotation was computed. [2021-08-25 22:31:32,033 INFO L857 garLoopResultBuilder]: For program point L313(lines 313 1500) no Hoare annotation was computed. [2021-08-25 22:31:32,033 INFO L857 garLoopResultBuilder]: For program point L181-1(lines 33 1502) no Hoare annotation was computed. [2021-08-25 22:31:32,033 INFO L857 garLoopResultBuilder]: For program point L115-1(lines 33 1502) no Hoare annotation was computed. [2021-08-25 22:31:32,033 INFO L857 garLoopResultBuilder]: For program point L49-1(lines 33 1502) no Hoare annotation was computed. [2021-08-25 22:31:32,033 INFO L857 garLoopResultBuilder]: For program point L1767(lines 1767 1773) no Hoare annotation was computed. [2021-08-25 22:31:32,034 INFO L857 garLoopResultBuilder]: For program point L1569(lines 1569 1773) no Hoare annotation was computed. [2021-08-25 22:31:32,034 INFO L857 garLoopResultBuilder]: For program point L182(line 182) no Hoare annotation was computed. [2021-08-25 22:31:32,034 INFO L857 garLoopResultBuilder]: For program point L116(line 116) no Hoare annotation was computed. [2021-08-25 22:31:32,034 INFO L857 garLoopResultBuilder]: For program point L1107(lines 1107 1500) no Hoare annotation was computed. [2021-08-25 22:31:32,034 INFO L857 garLoopResultBuilder]: For program point L50(line 50) no Hoare annotation was computed. [2021-08-25 22:31:32,034 INFO L857 garLoopResultBuilder]: For program point L1041(lines 1041 1500) no Hoare annotation was computed. [2021-08-25 22:31:32,034 INFO L857 garLoopResultBuilder]: For program point L909(lines 909 1500) no Hoare annotation was computed. [2021-08-25 22:31:32,035 INFO L857 garLoopResultBuilder]: For program point L1438(lines 1438 1500) no Hoare annotation was computed. [2021-08-25 22:31:32,035 INFO L857 garLoopResultBuilder]: For program point L844(lines 844 1500) no Hoare annotation was computed. [2021-08-25 22:31:32,035 INFO L857 garLoopResultBuilder]: For program point L1703(lines 1703 1773) no Hoare annotation was computed. [2021-08-25 22:31:32,035 INFO L857 garLoopResultBuilder]: For program point L646(lines 646 1500) no Hoare annotation was computed. [2021-08-25 22:31:32,035 INFO L857 garLoopResultBuilder]: For program point L1307(lines 1307 1500) no Hoare annotation was computed. [2021-08-25 22:31:32,035 INFO L857 garLoopResultBuilder]: For program point L250(lines 250 1500) no Hoare annotation was computed. [2021-08-25 22:31:32,035 INFO L857 garLoopResultBuilder]: For program point L184-1(lines 33 1502) no Hoare annotation was computed. [2021-08-25 22:31:32,035 INFO L857 garLoopResultBuilder]: For program point L118-1(lines 33 1502) no Hoare annotation was computed. [2021-08-25 22:31:32,035 INFO L857 garLoopResultBuilder]: For program point L52-1(lines 33 1502) no Hoare annotation was computed. [2021-08-25 22:31:32,035 INFO L857 garLoopResultBuilder]: For program point L977(lines 977 1500) no Hoare annotation was computed. [2021-08-25 22:31:32,035 INFO L857 garLoopResultBuilder]: For program point L779(lines 779 1500) no Hoare annotation was computed. [2021-08-25 22:31:32,036 INFO L857 garLoopResultBuilder]: For program point L713(lines 713 1500) no Hoare annotation was computed. [2021-08-25 22:31:32,036 INFO L857 garLoopResultBuilder]: For program point L1638(lines 1638 1773) no Hoare annotation was computed. [2021-08-25 22:31:32,036 INFO L857 garLoopResultBuilder]: For program point L383(lines 383 1500) no Hoare annotation was computed. [2021-08-25 22:31:32,036 INFO L857 garLoopResultBuilder]: For program point L1374(lines 1374 1500) no Hoare annotation was computed. [2021-08-25 22:31:32,036 INFO L857 garLoopResultBuilder]: For program point L185(line 185) no Hoare annotation was computed. [2021-08-25 22:31:32,036 INFO L857 garLoopResultBuilder]: For program point L1176(lines 1176 1500) no Hoare annotation was computed. [2021-08-25 22:31:32,036 INFO L857 garLoopResultBuilder]: For program point L119(line 119) no Hoare annotation was computed. [2021-08-25 22:31:32,036 INFO L857 garLoopResultBuilder]: For program point L53(line 53) no Hoare annotation was computed. [2021-08-25 22:31:32,037 INFO L857 garLoopResultBuilder]: For program point L1507(lines 1507 1773) no Hoare annotation was computed. [2021-08-25 22:31:32,037 INFO L857 garLoopResultBuilder]: For program point L450(lines 450 1500) no Hoare annotation was computed. [2021-08-25 22:31:32,037 INFO L857 garLoopResultBuilder]: For program point L583(lines 583 1500) no Hoare annotation was computed. [2021-08-25 22:31:32,037 INFO L857 garLoopResultBuilder]: For program point L319(lines 319 1500) no Hoare annotation was computed. [2021-08-25 22:31:32,037 INFO L857 garLoopResultBuilder]: For program point L1244(lines 1244 1500) no Hoare annotation was computed. [2021-08-25 22:31:32,037 INFO L857 garLoopResultBuilder]: For program point L187-1(lines 33 1502) no Hoare annotation was computed. [2021-08-25 22:31:32,037 INFO L857 garLoopResultBuilder]: For program point L121-1(lines 33 1502) no Hoare annotation was computed. [2021-08-25 22:31:32,038 INFO L857 garLoopResultBuilder]: For program point L55-1(lines 33 1502) no Hoare annotation was computed. [2021-08-25 22:31:32,038 INFO L857 garLoopResultBuilder]: For program point L1046(lines 1046 1500) no Hoare annotation was computed. [2021-08-25 22:31:32,038 INFO L857 garLoopResultBuilder]: For program point L716(lines 716 1500) no Hoare annotation was computed. [2021-08-25 22:31:32,038 INFO L857 garLoopResultBuilder]: For program point L518(lines 518 1500) no Hoare annotation was computed. [2021-08-25 22:31:32,038 INFO L857 garLoopResultBuilder]: For program point L188(line 188) no Hoare annotation was computed. [2021-08-25 22:31:32,038 INFO L857 garLoopResultBuilder]: For program point L122(line 122) no Hoare annotation was computed. [2021-08-25 22:31:32,038 INFO L857 garLoopResultBuilder]: For program point L1113(lines 1113 1500) no Hoare annotation was computed. [2021-08-25 22:31:32,038 INFO L857 garLoopResultBuilder]: For program point L56(line 56) no Hoare annotation was computed. [2021-08-25 22:31:32,039 INFO L857 garLoopResultBuilder]: For program point L915(lines 915 1500) no Hoare annotation was computed. [2021-08-25 22:31:32,039 INFO L853 garLoopResultBuilder]: At program point L1774(lines 1504 1775) the Hoare annotation is: (let ((.cse10 (+ 87 ~a18~0))) (let ((.cse3 (= ~a15~0 3)) (.cse2 (<= .cse10 0)) (.cse5 (= ~a16~0 8)) (.cse4 (<= 0 .cse10)) (.cse7 (= ~a16~0 9)) (.cse1 (= ~a12~0 8)) (.cse6 (= ~a12~0 9)) (.cse9 (<= 11 ~a16~0)) (.cse0 (<= ~a15~0 3)) (.cse8 (<= ~a18~0 134))) (or (and .cse0 .cse1 .cse2) (and (= ~a16~0 10) .cse1 .cse3) (and .cse4 .cse0 (<= ~a12~0 6)) (and .cse5 .cse0) (and (<= ~a12~0 7) (<= ~a16~0 11)) (and (= 5 ~a12~0) .cse3) (and .cse6 .cse7 .cse0) (and .cse6 .cse0 .cse2) (and .cse5 .cse1 .cse8) (and .cse6 .cse5) (and .cse7 .cse1 .cse8) (and .cse4 .cse7 .cse0 .cse8) (and .cse6 .cse7 .cse8) (and .cse0 .cse1 .cse9) (and .cse6 .cse0 .cse9) (and .cse0 (= 7 ~a12~0) .cse8)))) [2021-08-25 22:31:32,039 INFO L857 garLoopResultBuilder]: For program point L651(lines 651 1500) no Hoare annotation was computed. [2021-08-25 22:31:32,039 INFO L857 garLoopResultBuilder]: For program point L1576(lines 1576 1773) no Hoare annotation was computed. [2021-08-25 22:31:32,039 INFO L857 garLoopResultBuilder]: For program point L453(lines 453 1500) no Hoare annotation was computed. [2021-08-25 22:31:32,039 INFO L857 garLoopResultBuilder]: For program point L1444(lines 1444 1500) no Hoare annotation was computed. [2021-08-25 22:31:32,040 INFO L857 garLoopResultBuilder]: For program point L850(lines 850 1500) no Hoare annotation was computed. [2021-08-25 22:31:32,040 INFO L857 garLoopResultBuilder]: For program point L1709(lines 1709 1773) no Hoare annotation was computed. [2021-08-25 22:31:32,040 INFO L857 garLoopResultBuilder]: For program point L1643(lines 1643 1773) no Hoare annotation was computed. [2021-08-25 22:31:32,040 INFO L857 garLoopResultBuilder]: For program point L1313(lines 1313 1500) no Hoare annotation was computed. [2021-08-25 22:31:32,040 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2021-08-25 22:31:32,040 INFO L857 garLoopResultBuilder]: For program point L256(lines 256 1500) no Hoare annotation was computed. [2021-08-25 22:31:32,040 INFO L857 garLoopResultBuilder]: For program point L190-1(lines 33 1502) no Hoare annotation was computed. [2021-08-25 22:31:32,041 INFO L857 garLoopResultBuilder]: For program point L124-1(lines 33 1502) no Hoare annotation was computed. [2021-08-25 22:31:32,041 INFO L857 garLoopResultBuilder]: For program point L58-1(lines 33 1502) no Hoare annotation was computed. [2021-08-25 22:31:32,041 INFO L857 garLoopResultBuilder]: For program point L785(lines 785 1500) no Hoare annotation was computed. [2021-08-25 22:31:32,041 INFO L857 garLoopResultBuilder]: For program point L1380(lines 1380 1500) no Hoare annotation was computed. [2021-08-25 22:31:32,041 INFO L857 garLoopResultBuilder]: For program point L191(line 191) no Hoare annotation was computed. [2021-08-25 22:31:32,041 INFO L857 garLoopResultBuilder]: For program point L1182(lines 1182 1500) no Hoare annotation was computed. [2021-08-25 22:31:32,041 INFO L857 garLoopResultBuilder]: For program point L125(line 125) no Hoare annotation was computed. [2021-08-25 22:31:32,042 INFO L857 garLoopResultBuilder]: For program point L59(line 59) no Hoare annotation was computed. [2021-08-25 22:31:32,042 INFO L857 garLoopResultBuilder]: For program point L984(lines 984 1500) no Hoare annotation was computed. [2021-08-25 22:31:32,042 INFO L860 garLoopResultBuilder]: At program point L1777(lines 1777 1793) the Hoare annotation is: true [2021-08-25 22:31:32,042 INFO L857 garLoopResultBuilder]: For program point L588(lines 588 1500) no Hoare annotation was computed. [2021-08-25 22:31:32,042 INFO L857 garLoopResultBuilder]: For program point L1513(lines 1513 1773) no Hoare annotation was computed. [2021-08-25 22:31:32,042 INFO L857 garLoopResultBuilder]: For program point L390(lines 390 1500) no Hoare annotation was computed. [2021-08-25 22:31:32,042 INFO L857 garLoopResultBuilder]: For program point L325(lines 325 1500) no Hoare annotation was computed. [2021-08-25 22:31:32,042 INFO L857 garLoopResultBuilder]: For program point L193-1(lines 33 1502) no Hoare annotation was computed. [2021-08-25 22:31:32,043 INFO L857 garLoopResultBuilder]: For program point L127-1(lines 33 1502) no Hoare annotation was computed. [2021-08-25 22:31:32,043 INFO L857 garLoopResultBuilder]: For program point L61-1(lines 33 1502) no Hoare annotation was computed. [2021-08-25 22:31:32,043 INFO L857 garLoopResultBuilder]: For program point L1052(lines 1052 1500) no Hoare annotation was computed. [2021-08-25 22:31:32,043 INFO L857 garLoopResultBuilder]: For program point L788(lines 788 1500) no Hoare annotation was computed. [2021-08-25 22:31:32,043 INFO L857 garLoopResultBuilder]: For program point L722(lines 722 1500) no Hoare annotation was computed. [2021-08-25 22:31:32,043 INFO L857 garLoopResultBuilder]: For program point L1251(lines 1251 1500) no Hoare annotation was computed. [2021-08-25 22:31:32,043 INFO L857 garLoopResultBuilder]: For program point L194(line 194) no Hoare annotation was computed. [2021-08-25 22:31:32,044 INFO L857 garLoopResultBuilder]: For program point L1185(lines 1185 1500) no Hoare annotation was computed. [2021-08-25 22:31:32,044 INFO L857 garLoopResultBuilder]: For program point L128(line 128) no Hoare annotation was computed. [2021-08-25 22:31:32,044 INFO L857 garLoopResultBuilder]: For program point L1119(lines 1119 1500) no Hoare annotation was computed. [2021-08-25 22:31:32,044 INFO L857 garLoopResultBuilder]: For program point L62(line 62) no Hoare annotation was computed. [2021-08-25 22:31:32,044 INFO L857 garLoopResultBuilder]: For program point L1714(lines 1714 1773) no Hoare annotation was computed. [2021-08-25 22:31:32,044 INFO L857 garLoopResultBuilder]: For program point L1648(lines 1648 1773) no Hoare annotation was computed. [2021-08-25 22:31:32,044 INFO L857 garLoopResultBuilder]: For program point L525(lines 525 1500) no Hoare annotation was computed. [2021-08-25 22:31:32,045 INFO L857 garLoopResultBuilder]: For program point L459(lines 459 1500) no Hoare annotation was computed. [2021-08-25 22:31:32,045 INFO L857 garLoopResultBuilder]: For program point L1450(lines 1450 1500) no Hoare annotation was computed. [2021-08-25 22:31:32,045 INFO L857 garLoopResultBuilder]: For program point L922(lines 922 1500) no Hoare annotation was computed. [2021-08-25 22:31:32,045 INFO L857 garLoopResultBuilder]: For program point L856(lines 856 1500) no Hoare annotation was computed. [2021-08-25 22:31:32,045 INFO L857 garLoopResultBuilder]: For program point L658(lines 658 1500) no Hoare annotation was computed. [2021-08-25 22:31:32,045 INFO L857 garLoopResultBuilder]: For program point L1583(lines 1583 1773) no Hoare annotation was computed. [2021-08-25 22:31:32,045 INFO L857 garLoopResultBuilder]: For program point L1385(lines 1385 1500) no Hoare annotation was computed. [2021-08-25 22:31:32,045 INFO L857 garLoopResultBuilder]: For program point L1319(lines 1319 1500) no Hoare annotation was computed. [2021-08-25 22:31:32,046 INFO L857 garLoopResultBuilder]: For program point L262(lines 262 1500) no Hoare annotation was computed. [2021-08-25 22:31:32,046 INFO L857 garLoopResultBuilder]: For program point L196-1(lines 33 1502) no Hoare annotation was computed. [2021-08-25 22:31:32,046 INFO L857 garLoopResultBuilder]: For program point L130-1(lines 33 1502) no Hoare annotation was computed. [2021-08-25 22:31:32,046 INFO L857 garLoopResultBuilder]: For program point L64-1(lines 33 1502) no Hoare annotation was computed. [2021-08-25 22:31:32,046 INFO L857 garLoopResultBuilder]: For program point L989(lines 989 1500) no Hoare annotation was computed. [2021-08-25 22:31:32,046 INFO L857 garLoopResultBuilder]: For program point L197(line 197) no Hoare annotation was computed. [2021-08-25 22:31:32,046 INFO L857 garLoopResultBuilder]: For program point L131(line 131) no Hoare annotation was computed. [2021-08-25 22:31:32,046 INFO L857 garLoopResultBuilder]: For program point L65(line 65) no Hoare annotation was computed. [2021-08-25 22:31:32,047 INFO L857 garLoopResultBuilder]: For program point L-1(line -1) no Hoare annotation was computed. [2021-08-25 22:31:32,047 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 119) no Hoare annotation was computed. [2021-08-25 22:31:32,047 INFO L853 garLoopResultBuilder]: At program point L1783-2(lines 1783 1792) the Hoare annotation is: (let ((.cse10 (+ 87 ~a18~0))) (let ((.cse3 (= ~a15~0 3)) (.cse2 (<= .cse10 0)) (.cse5 (= ~a16~0 8)) (.cse4 (<= 0 .cse10)) (.cse7 (= ~a16~0 9)) (.cse1 (= ~a12~0 8)) (.cse6 (= ~a12~0 9)) (.cse9 (<= 11 ~a16~0)) (.cse0 (<= ~a15~0 3)) (.cse8 (<= ~a18~0 134))) (or (and .cse0 .cse1 .cse2) (and (= ~a16~0 10) .cse1 .cse3) (and .cse4 .cse0 (<= ~a12~0 6)) (and .cse5 .cse0) (and (<= ~a12~0 7) (<= ~a16~0 11)) (and (= 5 ~a12~0) .cse3) (and .cse6 .cse7 .cse0) (and .cse6 .cse0 .cse2) (and .cse5 .cse1 .cse8) (and .cse6 .cse5) (and .cse7 .cse1 .cse8) (and .cse4 .cse7 .cse0 .cse8) (and .cse6 .cse7 .cse8) (and .cse0 .cse1 .cse9) (and .cse6 .cse0 .cse9) (and .cse0 (= 7 ~a12~0) .cse8)))) [2021-08-25 22:31:32,047 INFO L857 garLoopResultBuilder]: For program point L594(lines 594 1500) no Hoare annotation was computed. [2021-08-25 22:31:32,047 INFO L857 garLoopResultBuilder]: For program point L396(lines 396 1500) no Hoare annotation was computed. [2021-08-25 22:31:32,047 INFO L857 garLoopResultBuilder]: For program point L727(lines 727 1500) no Hoare annotation was computed. [2021-08-25 22:31:32,048 INFO L857 garLoopResultBuilder]: For program point L1520(lines 1520 1773) no Hoare annotation was computed. [2021-08-25 22:31:32,048 INFO L857 garLoopResultBuilder]: For program point L331(lines 331 1500) no Hoare annotation was computed. [2021-08-25 22:31:32,048 INFO L857 garLoopResultBuilder]: For program point L199-1(lines 33 1502) no Hoare annotation was computed. [2021-08-25 22:31:32,048 INFO L857 garLoopResultBuilder]: For program point L133-1(lines 33 1502) no Hoare annotation was computed. [2021-08-25 22:31:32,048 INFO L857 garLoopResultBuilder]: For program point L1124(lines 1124 1500) no Hoare annotation was computed. [2021-08-25 22:31:32,048 INFO L857 garLoopResultBuilder]: For program point L67-1(lines 33 1502) no Hoare annotation was computed. [2021-08-25 22:31:32,048 INFO L857 garLoopResultBuilder]: For program point L1058(lines 1058 1500) no Hoare annotation was computed. [2021-08-25 22:31:32,048 INFO L857 garLoopResultBuilder]: For program point L794(lines 794 1500) no Hoare annotation was computed. [2021-08-25 22:31:32,049 INFO L857 garLoopResultBuilder]: For program point L1719(lines 1719 1773) no Hoare annotation was computed. [2021-08-25 22:31:32,049 INFO L857 garLoopResultBuilder]: For program point L464(lines 464 1500) no Hoare annotation was computed. [2021-08-25 22:31:32,049 INFO L857 garLoopResultBuilder]: For program point L1257(lines 1257 1500) no Hoare annotation was computed. [2021-08-25 22:31:32,049 INFO L857 garLoopResultBuilder]: For program point L200(line 200) no Hoare annotation was computed. [2021-08-25 22:31:32,049 INFO L857 garLoopResultBuilder]: For program point L1191(lines 1191 1500) no Hoare annotation was computed. [2021-08-25 22:31:32,049 INFO L857 garLoopResultBuilder]: For program point L134(line 134) no Hoare annotation was computed. [2021-08-25 22:31:32,049 INFO L857 garLoopResultBuilder]: For program point L68(line 68) no Hoare annotation was computed. [2021-08-25 22:31:32,050 INFO L857 garLoopResultBuilder]: For program point L927(lines 927 1500) no Hoare annotation was computed. [2021-08-25 22:31:32,050 INFO L857 garLoopResultBuilder]: For program point L861(lines 861 1500) no Hoare annotation was computed. [2021-08-25 22:31:32,050 INFO L857 garLoopResultBuilder]: For program point L531(lines 531 1500) no Hoare annotation was computed. [2021-08-25 22:31:32,050 INFO L857 garLoopResultBuilder]: For program point L1456(lines 1456 1500) no Hoare annotation was computed. [2021-08-25 22:31:32,050 INFO L857 garLoopResultBuilder]: For program point L1324(lines 1324 1500) no Hoare annotation was computed. [2021-08-25 22:31:32,050 INFO L857 garLoopResultBuilder]: For program point L267(lines 267 1500) no Hoare annotation was computed. [2021-08-25 22:31:32,050 INFO L857 garLoopResultBuilder]: For program point L1655(lines 1655 1773) no Hoare annotation was computed. [2021-08-25 22:31:32,050 INFO L857 garLoopResultBuilder]: For program point L1589(lines 1589 1773) no Hoare annotation was computed. [2021-08-25 22:31:32,051 INFO L857 garLoopResultBuilder]: For program point L1391(lines 1391 1500) no Hoare annotation was computed. [2021-08-25 22:31:32,051 INFO L857 garLoopResultBuilder]: For program point L202-1(lines 33 1502) no Hoare annotation was computed. [2021-08-25 22:31:32,051 INFO L857 garLoopResultBuilder]: For program point L136-1(lines 33 1502) no Hoare annotation was computed. [2021-08-25 22:31:32,051 INFO L857 garLoopResultBuilder]: For program point L70-1(lines 33 1502) no Hoare annotation was computed. [2021-08-25 22:31:32,051 INFO L857 garLoopResultBuilder]: For program point L1788(line 1788) no Hoare annotation was computed. [2021-08-25 22:31:32,051 INFO L857 garLoopResultBuilder]: For program point L665(lines 665 1500) no Hoare annotation was computed. [2021-08-25 22:31:32,051 INFO L857 garLoopResultBuilder]: For program point L599(lines 599 1500) no Hoare annotation was computed. [2021-08-25 22:31:32,052 INFO L857 garLoopResultBuilder]: For program point L467(lines 467 1500) no Hoare annotation was computed. [2021-08-25 22:31:32,052 INFO L857 garLoopResultBuilder]: For program point L401(lines 401 1500) no Hoare annotation was computed. [2021-08-25 22:31:32,052 INFO L857 garLoopResultBuilder]: For program point L1260(lines 1260 1500) no Hoare annotation was computed. [2021-08-25 22:31:32,052 INFO L857 garLoopResultBuilder]: For program point L203(line 203) no Hoare annotation was computed. [2021-08-25 22:31:32,052 INFO L857 garLoopResultBuilder]: For program point L137(line 137) no Hoare annotation was computed. [2021-08-25 22:31:32,052 INFO L857 garLoopResultBuilder]: For program point L71(line 71) no Hoare annotation was computed. [2021-08-25 22:31:32,052 INFO L857 garLoopResultBuilder]: For program point L996(lines 996 1500) no Hoare annotation was computed. [2021-08-25 22:31:32,052 INFO L857 garLoopResultBuilder]: For program point L1525(lines 1525 1773) no Hoare annotation was computed. [2021-08-25 22:31:32,053 INFO L857 garLoopResultBuilder]: For program point L1459(lines 1459 1500) no Hoare annotation was computed. [2021-08-25 22:31:32,053 INFO L857 garLoopResultBuilder]: For program point L799(lines 799 1500) no Hoare annotation was computed. [2021-08-25 22:31:32,053 INFO L857 garLoopResultBuilder]: For program point L733(lines 733 1500) no Hoare annotation was computed. [2021-08-25 22:31:32,053 INFO L857 garLoopResultBuilder]: For program point L337(lines 337 1500) no Hoare annotation was computed. [2021-08-25 22:31:32,053 INFO L857 garLoopResultBuilder]: For program point L205-1(lines 33 1502) no Hoare annotation was computed. [2021-08-25 22:31:32,053 INFO L857 garLoopResultBuilder]: For program point L139-1(lines 33 1502) no Hoare annotation was computed. [2021-08-25 22:31:32,053 INFO L857 garLoopResultBuilder]: For program point L1130(lines 1130 1500) no Hoare annotation was computed. [2021-08-25 22:31:32,053 INFO L857 garLoopResultBuilder]: For program point L73-1(lines 33 1502) no Hoare annotation was computed. [2021-08-25 22:31:32,053 INFO L857 garLoopResultBuilder]: For program point L932(lines 932 1500) no Hoare annotation was computed. [2021-08-25 22:31:32,053 INFO L857 garLoopResultBuilder]: For program point L1725(lines 1725 1773) no Hoare annotation was computed. [2021-08-25 22:31:32,053 INFO L857 garLoopResultBuilder]: For program point L272(lines 272 1500) no Hoare annotation was computed. [2021-08-25 22:31:32,053 INFO L857 garLoopResultBuilder]: For program point L206(line 206) no Hoare annotation was computed. [2021-08-25 22:31:32,053 INFO L857 garLoopResultBuilder]: For program point L1197(lines 1197 1500) no Hoare annotation was computed. [2021-08-25 22:31:32,053 INFO L857 garLoopResultBuilder]: For program point L140(line 140) no Hoare annotation was computed. [2021-08-25 22:31:32,053 INFO L857 garLoopResultBuilder]: For program point L74(line 74) no Hoare annotation was computed. [2021-08-25 22:31:32,053 INFO L857 garLoopResultBuilder]: For program point L1065(lines 1065 1500) no Hoare annotation was computed. [2021-08-25 22:31:32,054 INFO L857 garLoopResultBuilder]: For program point L867(lines 867 1500) no Hoare annotation was computed. [2021-08-25 22:31:32,054 INFO L857 garLoopResultBuilder]: For program point L537(lines 537 1500) no Hoare annotation was computed. [2021-08-25 22:31:32,054 INFO L857 garLoopResultBuilder]: For program point L1396(lines 1396 1500) no Hoare annotation was computed. [2021-08-25 22:31:32,054 INFO L857 garLoopResultBuilder]: For program point L1661(lines 1661 1773) no Hoare annotation was computed. [2021-08-25 22:31:32,054 INFO L857 garLoopResultBuilder]: For program point L604(lines 604 1500) no Hoare annotation was computed. [2021-08-25 22:31:32,054 INFO L857 garLoopResultBuilder]: For program point L1595(lines 1595 1773) no Hoare annotation was computed. [2021-08-25 22:31:32,054 INFO L857 garLoopResultBuilder]: For program point L1331(lines 1331 1500) no Hoare annotation was computed. [2021-08-25 22:31:32,054 INFO L857 garLoopResultBuilder]: For program point L208-1(lines 33 1502) no Hoare annotation was computed. [2021-08-25 22:31:32,055 INFO L857 garLoopResultBuilder]: For program point L142-1(lines 33 1502) no Hoare annotation was computed. [2021-08-25 22:31:32,055 INFO L857 garLoopResultBuilder]: For program point L76-1(lines 33 1502) no Hoare annotation was computed. [2021-08-25 22:31:32,055 INFO L857 garLoopResultBuilder]: For program point L671(lines 671 1500) no Hoare annotation was computed. [2021-08-25 22:31:32,055 INFO L857 garLoopResultBuilder]: For program point L473(lines 473 1500) no Hoare annotation was computed. [2021-08-25 22:31:32,055 INFO L857 garLoopResultBuilder]: For program point L1266(lines 1266 1500) no Hoare annotation was computed. [2021-08-25 22:31:32,055 INFO L857 garLoopResultBuilder]: For program point L209(line 209) no Hoare annotation was computed. [2021-08-25 22:31:32,055 INFO L857 garLoopResultBuilder]: For program point L143(line 143) no Hoare annotation was computed. [2021-08-25 22:31:32,056 INFO L857 garLoopResultBuilder]: For program point L77(line 77) no Hoare annotation was computed. [2021-08-25 22:31:32,056 INFO L857 garLoopResultBuilder]: For program point L738(lines 738 1500) no Hoare annotation was computed. [2021-08-25 22:31:32,056 INFO L857 garLoopResultBuilder]: For program point L1531(lines 1531 1773) no Hoare annotation was computed. [2021-08-25 22:31:32,056 INFO L857 garLoopResultBuilder]: For program point L408(lines 408 1500) no Hoare annotation was computed. [2021-08-25 22:31:32,056 INFO L857 garLoopResultBuilder]: For program point L1135(lines 1135 1500) no Hoare annotation was computed. [2021-08-25 22:31:32,056 INFO L857 garLoopResultBuilder]: For program point L1003(lines 1003 1500) no Hoare annotation was computed. [2021-08-25 22:31:32,056 INFO L857 garLoopResultBuilder]: For program point L1466(lines 1466 1500) no Hoare annotation was computed. [2021-08-25 22:31:32,057 INFO L857 garLoopResultBuilder]: For program point L343(lines 343 1500) no Hoare annotation was computed. [2021-08-25 22:31:32,057 INFO L857 garLoopResultBuilder]: For program point L211-1(lines 33 1502) no Hoare annotation was computed. [2021-08-25 22:31:32,057 INFO L857 garLoopResultBuilder]: For program point L145-1(lines 33 1502) no Hoare annotation was computed. [2021-08-25 22:31:32,057 INFO L857 garLoopResultBuilder]: For program point L79-1(lines 33 1502) no Hoare annotation was computed. [2021-08-25 22:31:32,057 INFO L857 garLoopResultBuilder]: For program point L806(lines 806 1500) no Hoare annotation was computed. [2021-08-25 22:31:32,057 INFO L857 garLoopResultBuilder]: For program point L1731(lines 1731 1773) no Hoare annotation was computed. [2021-08-25 22:31:32,057 INFO L857 garLoopResultBuilder]: For program point L674(lines 674 1500) no Hoare annotation was computed. [2021-08-25 22:31:32,057 INFO L857 garLoopResultBuilder]: For program point L278(lines 278 1500) no Hoare annotation was computed. [2021-08-25 22:31:32,058 INFO L857 garLoopResultBuilder]: For program point L212(line 212) no Hoare annotation was computed. [2021-08-25 22:31:32,058 INFO L857 garLoopResultBuilder]: For program point L1203(lines 1203 1500) no Hoare annotation was computed. [2021-08-25 22:31:32,058 INFO L857 garLoopResultBuilder]: For program point L146(line 146) no Hoare annotation was computed. [2021-08-25 22:31:32,058 INFO L857 garLoopResultBuilder]: For program point L80(line 80) no Hoare annotation was computed. [2021-08-25 22:31:32,058 INFO L857 garLoopResultBuilder]: For program point L1071(lines 1071 1500) no Hoare annotation was computed. [2021-08-25 22:31:32,058 INFO L857 garLoopResultBuilder]: For program point L939(lines 939 1500) no Hoare annotation was computed. [2021-08-25 22:31:32,058 INFO L857 garLoopResultBuilder]: For program point L873(lines 873 1500) no Hoare annotation was computed. [2021-08-25 22:31:32,058 INFO L857 garLoopResultBuilder]: For program point L1666(lines 1666 1773) no Hoare annotation was computed. [2021-08-25 22:31:32,059 INFO L857 garLoopResultBuilder]: For program point L543(lines 543 1500) no Hoare annotation was computed. [2021-08-25 22:31:32,059 INFO L857 garLoopResultBuilder]: For program point L1402(lines 1402 1500) no Hoare annotation was computed. [2021-08-25 22:31:32,059 INFO L857 garLoopResultBuilder]: For program point L610(lines 610 1500) no Hoare annotation was computed. [2021-08-25 22:31:32,059 INFO L857 garLoopResultBuilder]: For program point L1601(lines 1601 1773) no Hoare annotation was computed. [2021-08-25 22:31:32,059 INFO L857 garLoopResultBuilder]: For program point L1337(lines 1337 1500) no Hoare annotation was computed. [2021-08-25 22:31:32,059 INFO L857 garLoopResultBuilder]: For program point L214-1(lines 33 1502) no Hoare annotation was computed. [2021-08-25 22:31:32,059 INFO L857 garLoopResultBuilder]: For program point L148-1(lines 33 1502) no Hoare annotation was computed. [2021-08-25 22:31:32,059 INFO L857 garLoopResultBuilder]: For program point L82-1(lines 33 1502) no Hoare annotation was computed. [2021-08-25 22:31:32,059 INFO L857 garLoopResultBuilder]: For program point L479(lines 479 1500) no Hoare annotation was computed. [2021-08-25 22:31:32,059 INFO L857 garLoopResultBuilder]: For program point L1272(lines 1272 1500) no Hoare annotation was computed. [2021-08-25 22:31:32,059 INFO L857 garLoopResultBuilder]: For program point L215(line 215) no Hoare annotation was computed. [2021-08-25 22:31:32,060 INFO L857 garLoopResultBuilder]: For program point L149(line 149) no Hoare annotation was computed. [2021-08-25 22:31:32,060 INFO L857 garLoopResultBuilder]: For program point L83(line 83) no Hoare annotation was computed. [2021-08-25 22:31:32,060 INFO L857 garLoopResultBuilder]: For program point L744(lines 744 1500) no Hoare annotation was computed. [2021-08-25 22:31:32,060 INFO L857 garLoopResultBuilder]: For program point L1537(lines 1537 1773) no Hoare annotation was computed. [2021-08-25 22:31:32,060 INFO L857 garLoopResultBuilder]: For program point L1471(lines 1471 1500) no Hoare annotation was computed. [2021-08-25 22:31:32,060 INFO L857 garLoopResultBuilder]: For program point L414(lines 414 1500) no Hoare annotation was computed. [2021-08-25 22:31:32,060 INFO L857 garLoopResultBuilder]: For program point L348(lines 348 1500) no Hoare annotation was computed. [2021-08-25 22:31:32,060 INFO L857 garLoopResultBuilder]: For program point L1141(lines 1141 1500) no Hoare annotation was computed. [2021-08-25 22:31:32,061 INFO L857 garLoopResultBuilder]: For program point L1009(lines 1009 1500) no Hoare annotation was computed. [2021-08-25 22:31:32,061 INFO L857 garLoopResultBuilder]: For program point L151-1(lines 33 1502) no Hoare annotation was computed. [2021-08-25 22:31:32,061 INFO L857 garLoopResultBuilder]: For program point L85-1(lines 33 1502) no Hoare annotation was computed. [2021-08-25 22:31:32,061 INFO L857 garLoopResultBuilder]: For program point L812(lines 812 1500) no Hoare annotation was computed. [2021-08-25 22:31:32,061 INFO L857 garLoopResultBuilder]: For program point L1737(lines 1737 1773) no Hoare annotation was computed. [2021-08-25 22:31:32,061 INFO L857 garLoopResultBuilder]: For program point L680(lines 680 1500) no Hoare annotation was computed. [2021-08-25 22:31:32,061 INFO L857 garLoopResultBuilder]: For program point L548(lines 548 1500) no Hoare annotation was computed. [2021-08-25 22:31:32,061 INFO L857 garLoopResultBuilder]: For program point L1407(lines 1407 1500) no Hoare annotation was computed. [2021-08-25 22:31:32,062 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2021-08-25 22:31:32,062 INFO L857 garLoopResultBuilder]: For program point L284(lines 284 1500) no Hoare annotation was computed. [2021-08-25 22:31:32,062 INFO L857 garLoopResultBuilder]: For program point L152(line 152) no Hoare annotation was computed. [2021-08-25 22:31:32,062 INFO L857 garLoopResultBuilder]: For program point L86(line 86) no Hoare annotation was computed. [2021-08-25 22:31:32,062 INFO L857 garLoopResultBuilder]: For program point L1077(lines 1077 1500) no Hoare annotation was computed. [2021-08-25 22:31:32,062 INFO L857 garLoopResultBuilder]: For program point L945(lines 945 1500) no Hoare annotation was computed. [2021-08-25 22:31:32,062 INFO L857 garLoopResultBuilder]: For program point L879(lines 879 1500) no Hoare annotation was computed. [2021-08-25 22:31:32,062 INFO L857 garLoopResultBuilder]: For program point L1210(lines 1210 1500) no Hoare annotation was computed. [2021-08-25 22:31:32,063 INFO L857 garLoopResultBuilder]: For program point L1673(lines 1673 1773) no Hoare annotation was computed. [2021-08-25 22:31:32,063 INFO L857 garLoopResultBuilder]: For program point L616(lines 616 1500) no Hoare annotation was computed. [2021-08-25 22:31:32,063 INFO L857 garLoopResultBuilder]: For program point L1607(lines 1607 1773) no Hoare annotation was computed. [2021-08-25 22:31:32,063 INFO L857 garLoopResultBuilder]: For program point L1277(lines 1277 1500) no Hoare annotation was computed. [2021-08-25 22:31:32,063 INFO L857 garLoopResultBuilder]: For program point L154-1(lines 33 1502) no Hoare annotation was computed. [2021-08-25 22:31:32,063 INFO L857 garLoopResultBuilder]: For program point L88-1(lines 33 1502) no Hoare annotation was computed. [2021-08-25 22:31:32,063 INFO L857 garLoopResultBuilder]: For program point L1476(lines 1476 1500) no Hoare annotation was computed. [2021-08-25 22:31:32,063 INFO L857 garLoopResultBuilder]: For program point L1344(lines 1344 1500) no Hoare annotation was computed. [2021-08-25 22:31:32,064 INFO L857 garLoopResultBuilder]: For program point L155(line 155) no Hoare annotation was computed. [2021-08-25 22:31:32,064 INFO L857 garLoopResultBuilder]: For program point L89(line 89) no Hoare annotation was computed. [2021-08-25 22:31:32,064 INFO L857 garLoopResultBuilder]: For program point L486(lines 486 1500) no Hoare annotation was computed. [2021-08-25 22:31:32,064 INFO L857 garLoopResultBuilder]: For program point L1147(lines 1147 1500) no Hoare annotation was computed. [2021-08-25 22:31:32,064 INFO L857 garLoopResultBuilder]: For program point L1015(lines 1015 1500) no Hoare annotation was computed. [2021-08-25 22:31:32,064 INFO L857 garLoopResultBuilder]: For program point L751(lines 751 1500) no Hoare annotation was computed. [2021-08-25 22:31:32,064 INFO L857 garLoopResultBuilder]: For program point L553(lines 553 1500) no Hoare annotation was computed. [2021-08-25 22:31:32,065 INFO L857 garLoopResultBuilder]: For program point L1544(lines 1544 1773) no Hoare annotation was computed. [2021-08-25 22:31:32,065 INFO L857 garLoopResultBuilder]: For program point L421(lines 421 1500) no Hoare annotation was computed. [2021-08-25 22:31:32,065 INFO L857 garLoopResultBuilder]: For program point L355(lines 355 1500) no Hoare annotation was computed. [2021-08-25 22:31:32,065 INFO L857 garLoopResultBuilder]: For program point L289(lines 289 1500) no Hoare annotation was computed. [2021-08-25 22:31:32,065 INFO L857 garLoopResultBuilder]: For program point L223(lines 223 1500) no Hoare annotation was computed. [2021-08-25 22:31:32,065 INFO L857 garLoopResultBuilder]: For program point L157-1(lines 33 1502) no Hoare annotation was computed. [2021-08-25 22:31:32,065 INFO L857 garLoopResultBuilder]: For program point L91-1(lines 33 1502) no Hoare annotation was computed. [2021-08-25 22:31:32,065 INFO L857 garLoopResultBuilder]: For program point L818(lines 818 1500) no Hoare annotation was computed. [2021-08-25 22:31:32,066 INFO L857 garLoopResultBuilder]: For program point L1743(lines 1743 1773) no Hoare annotation was computed. [2021-08-25 22:31:32,066 INFO L857 garLoopResultBuilder]: For program point L1413(lines 1413 1500) no Hoare annotation was computed. [2021-08-25 22:31:32,066 INFO L857 garLoopResultBuilder]: For program point L1215(lines 1215 1500) no Hoare annotation was computed. [2021-08-25 22:31:32,066 INFO L857 garLoopResultBuilder]: For program point L158(line 158) no Hoare annotation was computed. [2021-08-25 22:31:32,066 INFO L857 garLoopResultBuilder]: For program point L92(line 92) no Hoare annotation was computed. [2021-08-25 22:31:32,066 INFO L857 garLoopResultBuilder]: For program point L1083(lines 1083 1500) no Hoare annotation was computed. [2021-08-25 22:31:32,066 INFO L857 garLoopResultBuilder]: For program point L885(lines 885 1500) no Hoare annotation was computed. [2021-08-25 22:31:32,066 INFO L857 garLoopResultBuilder]: For program point L687(lines 687 1500) no Hoare annotation was computed. [2021-08-25 22:31:32,067 INFO L857 garLoopResultBuilder]: For program point L952(lines 952 1500) no Hoare annotation was computed. [2021-08-25 22:31:32,067 INFO L857 garLoopResultBuilder]: For program point L1679(lines 1679 1773) no Hoare annotation was computed. [2021-08-25 22:31:32,067 INFO L857 garLoopResultBuilder]: For program point L622(lines 622 1500) no Hoare annotation was computed. [2021-08-25 22:31:32,067 INFO L857 garLoopResultBuilder]: For program point L1613(lines 1613 1773) no Hoare annotation was computed. [2021-08-25 22:31:32,067 INFO L857 garLoopResultBuilder]: For program point L160-1(lines 33 1502) no Hoare annotation was computed. [2021-08-25 22:31:32,067 INFO L857 garLoopResultBuilder]: For program point L94-1(lines 33 1502) no Hoare annotation was computed. [2021-08-25 22:31:32,067 INFO L857 garLoopResultBuilder]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2021-08-25 22:31:32,067 INFO L857 garLoopResultBuilder]: For program point L1482(lines 1482 1500) no Hoare annotation was computed. [2021-08-25 22:31:32,068 INFO L857 garLoopResultBuilder]: For program point L1284(lines 1284 1500) no Hoare annotation was computed. [2021-08-25 22:31:32,068 INFO L857 garLoopResultBuilder]: For program point L161(line 161) no Hoare annotation was computed. [2021-08-25 22:31:32,068 INFO L857 garLoopResultBuilder]: For program point L95(line 95) no Hoare annotation was computed. [2021-08-25 22:31:32,068 INFO L857 garLoopResultBuilder]: For program point L756(lines 756 1500) no Hoare annotation was computed. [2021-08-25 22:31:32,068 INFO L857 garLoopResultBuilder]: For program point L690(lines 690 1500) no Hoare annotation was computed. [2021-08-25 22:31:32,068 INFO L857 garLoopResultBuilder]: For program point L558(lines 558 1500) no Hoare annotation was computed. [2021-08-25 22:31:32,068 INFO L857 garLoopResultBuilder]: For program point L360(lines 360 1500) no Hoare annotation was computed. [2021-08-25 22:31:32,069 INFO L857 garLoopResultBuilder]: For program point L1351(lines 1351 1500) no Hoare annotation was computed. [2021-08-25 22:31:32,069 INFO L857 garLoopResultBuilder]: For program point L228(lines 228 1500) no Hoare annotation was computed. [2021-08-25 22:31:32,069 INFO L857 garLoopResultBuilder]: For program point L1153(lines 1153 1500) no Hoare annotation was computed. [2021-08-25 22:31:32,069 INFO L857 garLoopResultBuilder]: For program point L1021(lines 1021 1500) no Hoare annotation was computed. [2021-08-25 22:31:32,069 INFO L857 garLoopResultBuilder]: For program point L1550(lines 1550 1773) no Hoare annotation was computed. [2021-08-25 22:31:32,069 INFO L857 garLoopResultBuilder]: For program point L493(lines 493 1500) no Hoare annotation was computed. [2021-08-25 22:31:32,069 INFO L857 garLoopResultBuilder]: For program point L427(lines 427 1500) no Hoare annotation was computed. [2021-08-25 22:31:32,069 INFO L857 garLoopResultBuilder]: For program point L295(lines 295 1500) no Hoare annotation was computed. [2021-08-25 22:31:32,070 INFO L857 garLoopResultBuilder]: For program point L163-1(lines 33 1502) no Hoare annotation was computed. [2021-08-25 22:31:32,070 INFO L857 garLoopResultBuilder]: For program point L97-1(lines 33 1502) no Hoare annotation was computed. [2021-08-25 22:31:32,070 INFO L857 garLoopResultBuilder]: For program point L1749(lines 1749 1773) no Hoare annotation was computed. [2021-08-25 22:31:32,070 INFO L857 garLoopResultBuilder]: For program point L1419(lines 1419 1500) no Hoare annotation was computed. [2021-08-25 22:31:32,070 INFO L857 garLoopResultBuilder]: For program point L1221(lines 1221 1500) no Hoare annotation was computed. [2021-08-25 22:31:32,070 INFO L857 garLoopResultBuilder]: For program point L164(line 164) no Hoare annotation was computed. [2021-08-25 22:31:32,070 INFO L857 garLoopResultBuilder]: For program point L98(line 98) no Hoare annotation was computed. [2021-08-25 22:31:32,070 INFO L857 garLoopResultBuilder]: For program point L1089(lines 1089 1500) no Hoare annotation was computed. [2021-08-25 22:31:32,071 INFO L857 garLoopResultBuilder]: For program point L825(lines 825 1500) no Hoare annotation was computed. [2021-08-25 22:31:32,071 INFO L857 garLoopResultBuilder]: For program point L958(lines 958 1500) no Hoare annotation was computed. [2021-08-25 22:31:32,071 INFO L857 garLoopResultBuilder]: For program point L892(lines 892 1500) no Hoare annotation was computed. [2021-08-25 22:31:32,071 INFO L857 garLoopResultBuilder]: For program point L1685(lines 1685 1773) no Hoare annotation was computed. [2021-08-25 22:31:32,071 INFO L857 garLoopResultBuilder]: For program point L628(lines 628 1500) no Hoare annotation was computed. [2021-08-25 22:31:32,071 INFO L857 garLoopResultBuilder]: For program point L1619(lines 1619 1773) no Hoare annotation was computed. [2021-08-25 22:31:32,071 INFO L857 garLoopResultBuilder]: For program point L1487(lines 1487 1500) no Hoare annotation was computed. [2021-08-25 22:31:32,071 INFO L857 garLoopResultBuilder]: For program point L166-1(lines 33 1502) no Hoare annotation was computed. [2021-08-25 22:31:32,072 INFO L857 garLoopResultBuilder]: For program point L100-1(lines 33 1502) no Hoare annotation was computed. [2021-08-25 22:31:32,072 INFO L857 garLoopResultBuilder]: For program point L34(lines 34 36) no Hoare annotation was computed. [2021-08-25 22:31:32,072 INFO L857 garLoopResultBuilder]: For program point L34-2(lines 33 1502) no Hoare annotation was computed. [2021-08-25 22:31:32,072 INFO L857 garLoopResultBuilder]: For program point L1290(lines 1290 1500) no Hoare annotation was computed. [2021-08-25 22:31:32,072 INFO L857 garLoopResultBuilder]: For program point L233(lines 233 1500) no Hoare annotation was computed. [2021-08-25 22:31:32,072 INFO L857 garLoopResultBuilder]: For program point L1224(lines 1224 1500) no Hoare annotation was computed. [2021-08-25 22:31:32,072 INFO L857 garLoopResultBuilder]: For program point L167(line 167) no Hoare annotation was computed. [2021-08-25 22:31:32,072 INFO L857 garLoopResultBuilder]: For program point L101(line 101) no Hoare annotation was computed. [2021-08-25 22:31:32,073 INFO L857 garLoopResultBuilder]: For program point L35(line 35) no Hoare annotation was computed. [2021-08-25 22:31:32,077 INFO L179 ceAbstractionStarter]: Computing trace abstraction results [2021-08-25 22:31:32,093 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 25.08 10:31:32 BoogieIcfgContainer [2021-08-25 22:31:32,094 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2021-08-25 22:31:32,094 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2021-08-25 22:31:32,094 INFO L271 PluginConnector]: Initializing Witness Printer... [2021-08-25 22:31:32,094 INFO L275 PluginConnector]: Witness Printer initialized [2021-08-25 22:31:32,095 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 25.08 10:30:57" (3/4) ... [2021-08-25 22:31:32,097 INFO L137 WitnessPrinter]: Generating witness for correct program [2021-08-25 22:31:32,128 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2021-08-25 22:31:32,130 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2021-08-25 22:31:32,132 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-08-25 22:31:32,134 INFO L910 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2021-08-25 22:31:32,269 INFO L141 WitnessManager]: Wrote witness to /storage/repos/ultimate/releaseScripts/default/UAutomizer-linux/witness.graphml [2021-08-25 22:31:32,270 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2021-08-25 22:31:32,271 INFO L168 Benchmark]: Toolchain (without parser) took 37829.44 ms. Allocated memory was 54.5 MB in the beginning and 1.2 GB in the end (delta: 1.1 GB). Free memory was 26.9 MB in the beginning and 659.9 MB in the end (delta: -632.9 MB). Peak memory consumption was 501.4 MB. Max. memory is 16.1 GB. [2021-08-25 22:31:32,272 INFO L168 Benchmark]: CDTParser took 0.18 ms. Allocated memory is still 54.5 MB. Free memory was 37.3 MB in the beginning and 37.2 MB in the end (delta: 36.4 kB). There was no memory consumed. Max. memory is 16.1 GB. [2021-08-25 22:31:32,272 INFO L168 Benchmark]: CACSL2BoogieTranslator took 846.94 ms. Allocated memory was 54.5 MB in the beginning and 67.1 MB in the end (delta: 12.6 MB). Free memory was 26.8 MB in the beginning and 29.0 MB in the end (delta: -2.2 MB). Peak memory consumption was 12.7 MB. Max. memory is 16.1 GB. [2021-08-25 22:31:32,272 INFO L168 Benchmark]: Boogie Procedure Inliner took 202.49 ms. Allocated memory was 67.1 MB in the beginning and 81.8 MB in the end (delta: 14.7 MB). Free memory was 29.0 MB in the beginning and 40.6 MB in the end (delta: -11.6 MB). Peak memory consumption was 13.0 MB. Max. memory is 16.1 GB. [2021-08-25 22:31:32,273 INFO L168 Benchmark]: Boogie Preprocessor took 162.70 ms. Allocated memory is still 81.8 MB. Free memory was 40.6 MB in the beginning and 36.0 MB in the end (delta: 4.6 MB). Peak memory consumption was 19.3 MB. Max. memory is 16.1 GB. [2021-08-25 22:31:32,273 INFO L168 Benchmark]: RCFGBuilder took 1986.90 ms. Allocated memory was 81.8 MB in the beginning and 188.7 MB in the end (delta: 107.0 MB). Free memory was 35.8 MB in the beginning and 132.8 MB in the end (delta: -97.0 MB). Peak memory consumption was 77.6 MB. Max. memory is 16.1 GB. [2021-08-25 22:31:32,273 INFO L168 Benchmark]: TraceAbstraction took 34448.74 ms. Allocated memory was 188.7 MB in the beginning and 1.2 GB in the end (delta: 1.0 GB). Free memory was 132.8 MB in the beginning and 697.6 MB in the end (delta: -564.8 MB). Peak memory consumption was 436.6 MB. Max. memory is 16.1 GB. [2021-08-25 22:31:32,274 INFO L168 Benchmark]: Witness Printer took 175.83 ms. Allocated memory is still 1.2 GB. Free memory was 697.6 MB in the beginning and 659.9 MB in the end (delta: 37.7 MB). Peak memory consumption was 37.7 MB. Max. memory is 16.1 GB. [2021-08-25 22:31:32,275 INFO L339 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.18 ms. Allocated memory is still 54.5 MB. Free memory was 37.3 MB in the beginning and 37.2 MB in the end (delta: 36.4 kB). There was no memory consumed. Max. memory is 16.1 GB. * CACSL2BoogieTranslator took 846.94 ms. Allocated memory was 54.5 MB in the beginning and 67.1 MB in the end (delta: 12.6 MB). Free memory was 26.8 MB in the beginning and 29.0 MB in the end (delta: -2.2 MB). Peak memory consumption was 12.7 MB. Max. memory is 16.1 GB. * Boogie Procedure Inliner took 202.49 ms. Allocated memory was 67.1 MB in the beginning and 81.8 MB in the end (delta: 14.7 MB). Free memory was 29.0 MB in the beginning and 40.6 MB in the end (delta: -11.6 MB). Peak memory consumption was 13.0 MB. Max. memory is 16.1 GB. * Boogie Preprocessor took 162.70 ms. Allocated memory is still 81.8 MB. Free memory was 40.6 MB in the beginning and 36.0 MB in the end (delta: 4.6 MB). Peak memory consumption was 19.3 MB. Max. memory is 16.1 GB. * RCFGBuilder took 1986.90 ms. Allocated memory was 81.8 MB in the beginning and 188.7 MB in the end (delta: 107.0 MB). Free memory was 35.8 MB in the beginning and 132.8 MB in the end (delta: -97.0 MB). Peak memory consumption was 77.6 MB. Max. memory is 16.1 GB. * TraceAbstraction took 34448.74 ms. Allocated memory was 188.7 MB in the beginning and 1.2 GB in the end (delta: 1.0 GB). Free memory was 132.8 MB in the beginning and 697.6 MB in the end (delta: -564.8 MB). Peak memory consumption was 436.6 MB. Max. memory is 16.1 GB. * Witness Printer took 175.83 ms. Allocated memory is still 1.2 GB. Free memory was 697.6 MB in the beginning and 659.9 MB in the end (delta: 37.7 MB). Peak memory consumption was 37.7 MB. Max. memory is 16.1 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - StatisticsResult: ErrorAutomatonStatistics NumberErrorTraces: 0, NumberStatementsAllTraces: 0, NumberRelevantStatements: 0, 0.0ms ErrorAutomatonConstructionTimeTotal, 0.0ms FaulLocalizationTime, NumberStatementsFirstTrace: -1, TraceLengthAvg: 0, 0.0ms ErrorAutomatonConstructionTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeAvg, 0.0ms ErrorAutomatonDifferenceTimeTotal, NumberOfNoEnhancement: 0, NumberOfFiniteEnhancement: 0, NumberOfInfiniteEnhancement: 0 - PositiveResult [Line: 119]: call to reach_error is unreachable For all program executions holds that call to reach_error is unreachable at this location - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 396 locations, 1 error locations. Started 1 CEGAR loops. OverallTime: 34365.9ms, OverallIterations: 17, TraceHistogramMax: 10, EmptinessCheckTime: 289.7ms, AutomataDifference: 22327.8ms, DeadEndRemovalTime: 0.0ms, HoareAnnotationTime: 1084.1ms, InitialAbstractionConstructionTime: 21.2ms, PartialOrderReductionTime: 0.0ms, HoareTripleCheckerStatistics: 3925 SDtfs, 4376 SDslu, 220 SDs, 0 SdLazy, 15932 SolverSat, 2852 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 15939.7ms Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 915 GetRequests, 884 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 164.0ms Time, 0.0ms BasicInterpolantAutomatonTime, BiggestAbstraction: size=17112occurred in iteration=14, InterpolantAutomatonStates: 60, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0ms DumpTime, AutomataMinimizationStatistics: 2133.9ms AutomataMinimizationTime, 17 MinimizatonAttempts, 6618 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0ms HoareAnnotationTime, 4 LocationsWithAnnotation, 4 PreInvPairs, 211 NumberOfFragments, 481 HoareAnnotationTreeSize, 4 FomulaSimplifications, 7354 FormulaSimplificationTreeSizeReduction, 209.2ms HoareSimplificationTime, 4 FomulaSimplificationsInter, 1709 FormulaSimplificationTreeSizeReductionInter, 865.1ms HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 402.5ms SsaConstructionTime, 1021.8ms SatisfiabilityAnalysisTime, 5969.5ms InterpolantComputationTime, 13147 NumberOfCodeBlocks, 13147 NumberOfCodeBlocksAsserted, 19 NumberOfCheckSat, 13128 ConstructedInterpolants, 0 QuantifiedInterpolants, 34457 SizeOfPredicates, 0 NumberOfNonLiveVariables, 1085 ConjunctsInSsa, 4 ConjunctsInUnsatCore, 19 InterpolantComputations, 17 PerfectInterpolantSequences, 25445/25529 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, ACCELERATED_INTERPOLATION: No data available, SIFA: No data available, ReuseStatistics: No data available - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 1504]: Loop Invariant Derived loop invariant: ((((((((((((((((a15 <= 3 && a12 == 8) && 87 + a18 <= 0) || ((a16 == 10 && a12 == 8) && a15 == 3)) || ((0 <= 87 + a18 && a15 <= 3) && a12 <= 6)) || (a16 == 8 && a15 <= 3)) || (a12 <= 7 && a16 <= 11)) || (5 == a12 && a15 == 3)) || ((a12 == 9 && a16 == 9) && a15 <= 3)) || ((a12 == 9 && a15 <= 3) && 87 + a18 <= 0)) || ((a16 == 8 && a12 == 8) && a18 <= 134)) || (a12 == 9 && a16 == 8)) || ((a16 == 9 && a12 == 8) && a18 <= 134)) || (((0 <= 87 + a18 && a16 == 9) && a15 <= 3) && a18 <= 134)) || ((a12 == 9 && a16 == 9) && a18 <= 134)) || ((a15 <= 3 && a12 == 8) && 11 <= a16)) || ((a12 == 9 && a15 <= 3) && 11 <= a16)) || ((a15 <= 3 && 7 == a12) && a18 <= 134) - InvariantResult [Line: 1783]: Loop Invariant Derived loop invariant: ((((((((((((((((a15 <= 3 && a12 == 8) && 87 + a18 <= 0) || ((a16 == 10 && a12 == 8) && a15 == 3)) || ((0 <= 87 + a18 && a15 <= 3) && a12 <= 6)) || (a16 == 8 && a15 <= 3)) || (a12 <= 7 && a16 <= 11)) || (5 == a12 && a15 == 3)) || ((a12 == 9 && a16 == 9) && a15 <= 3)) || ((a12 == 9 && a15 <= 3) && 87 + a18 <= 0)) || ((a16 == 8 && a12 == 8) && a18 <= 134)) || (a12 == 9 && a16 == 8)) || ((a16 == 9 && a12 == 8) && a18 <= 134)) || (((0 <= 87 + a18 && a16 == 9) && a15 <= 3) && a18 <= 134)) || ((a12 == 9 && a16 == 9) && a18 <= 134)) || ((a15 <= 3 && a12 == 8) && 11 <= a16)) || ((a12 == 9 && a15 <= 3) && 11 <= a16)) || ((a15 <= 3 && 7 == a12) && a18 <= 134) - InvariantResult [Line: 33]: Loop Invariant Derived loop invariant: ((((((((((((((((a15 <= 3 && a12 == 8) && 87 + a18 <= 0) || ((a16 == 10 && a12 == 8) && a15 == 3)) || ((0 <= 87 + a18 && a15 <= 3) && a12 <= 6)) || (a16 == 8 && a15 <= 3)) || (a12 <= 7 && a16 <= 11)) || (5 == a12 && a15 == 3)) || ((a12 == 9 && a16 == 9) && a15 <= 3)) || ((a12 == 9 && a15 <= 3) && 87 + a18 <= 0)) || ((a16 == 8 && a12 == 8) && a18 <= 134)) || (a12 == 9 && a16 == 8)) || ((a16 == 9 && a12 == 8) && a18 <= 134)) || (((0 <= 87 + a18 && a16 == 9) && a15 <= 3) && a18 <= 134)) || ((a12 == 9 && a16 == 9) && a18 <= 134)) || ((a15 <= 3 && a12 == 8) && 11 <= a16)) || ((a12 == 9 && a15 <= 3) && 11 <= a16)) || ((a15 <= 3 && 7 == a12) && a18 <= 134) - InvariantResult [Line: 1777]: Loop Invariant Derived loop invariant: 1 RESULT: Ultimate proved your program to be correct! [2021-08-25 22:31:32,297 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...