./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem01_label42.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version f470102c Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_19381478-4fb0-40b7-a850-b8aaafbd29f1/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_19381478-4fb0-40b7-a850-b8aaafbd29f1/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_19381478-4fb0-40b7-a850-b8aaafbd29f1/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_19381478-4fb0-40b7-a850-b8aaafbd29f1/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem01_label42.c -s /tmp/vcloud-vcloud-master/worker/run_dir_19381478-4fb0-40b7-a850-b8aaafbd29f1/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_19381478-4fb0-40b7-a850-b8aaafbd29f1/bin/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 1ced3eb982b16bda97708eba7d7a33ef6d709871 .............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-f470102 [2019-12-07 13:42:03,863 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 13:42:03,864 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 13:42:03,872 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 13:42:03,872 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 13:42:03,872 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 13:42:03,873 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 13:42:03,875 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 13:42:03,876 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 13:42:03,876 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 13:42:03,877 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 13:42:03,878 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 13:42:03,878 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 13:42:03,879 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 13:42:03,879 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 13:42:03,880 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 13:42:03,881 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 13:42:03,881 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 13:42:03,882 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 13:42:03,884 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 13:42:03,885 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 13:42:03,886 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 13:42:03,886 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 13:42:03,887 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 13:42:03,889 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 13:42:03,889 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 13:42:03,889 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 13:42:03,889 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 13:42:03,890 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 13:42:03,890 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 13:42:03,890 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 13:42:03,891 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 13:42:03,891 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 13:42:03,892 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 13:42:03,892 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 13:42:03,892 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 13:42:03,893 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 13:42:03,893 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 13:42:03,893 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 13:42:03,894 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 13:42:03,894 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 13:42:03,894 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_19381478-4fb0-40b7-a850-b8aaafbd29f1/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-12-07 13:42:03,903 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 13:42:03,903 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 13:42:03,904 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-07 13:42:03,904 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-07 13:42:03,904 INFO L138 SettingsManager]: * Use SBE=true [2019-12-07 13:42:03,904 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 13:42:03,905 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 13:42:03,905 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 13:42:03,905 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 13:42:03,905 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 13:42:03,905 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 13:42:03,905 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 13:42:03,905 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 13:42:03,905 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 13:42:03,906 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 13:42:03,906 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 13:42:03,906 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 13:42:03,906 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 13:42:03,906 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 13:42:03,906 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 13:42:03,906 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 13:42:03,906 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 13:42:03,907 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 13:42:03,907 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 13:42:03,907 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 13:42:03,907 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-12-07 13:42:03,907 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-07 13:42:03,907 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 13:42:03,907 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 13:42:03,908 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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 -> /tmp/vcloud-vcloud-master/worker/run_dir_19381478-4fb0-40b7-a850-b8aaafbd29f1/bin/uautomizer 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(__VERIFIER_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 -> 1ced3eb982b16bda97708eba7d7a33ef6d709871 [2019-12-07 13:42:04,006 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 13:42:04,015 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 13:42:04,017 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 13:42:04,018 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 13:42:04,018 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 13:42:04,019 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_19381478-4fb0-40b7-a850-b8aaafbd29f1/bin/uautomizer/../../sv-benchmarks/c/eca-rers2012/Problem01_label42.c [2019-12-07 13:42:04,058 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_19381478-4fb0-40b7-a850-b8aaafbd29f1/bin/uautomizer/data/b70361797/422ab3f4ed414fbaa6907b5cb4accfca/FLAGf5e228811 [2019-12-07 13:42:04,522 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 13:42:04,523 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_19381478-4fb0-40b7-a850-b8aaafbd29f1/sv-benchmarks/c/eca-rers2012/Problem01_label42.c [2019-12-07 13:42:04,531 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_19381478-4fb0-40b7-a850-b8aaafbd29f1/bin/uautomizer/data/b70361797/422ab3f4ed414fbaa6907b5cb4accfca/FLAGf5e228811 [2019-12-07 13:42:04,541 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_19381478-4fb0-40b7-a850-b8aaafbd29f1/bin/uautomizer/data/b70361797/422ab3f4ed414fbaa6907b5cb4accfca [2019-12-07 13:42:04,542 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 13:42:04,543 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 13:42:04,544 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 13:42:04,544 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 13:42:04,547 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 13:42:04,547 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 01:42:04" (1/1) ... [2019-12-07 13:42:04,549 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@465c4c68 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:42:04, skipping insertion in model container [2019-12-07 13:42:04,549 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 01:42:04" (1/1) ... [2019-12-07 13:42:04,554 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 13:42:04,586 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 13:42:04,836 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 13:42:04,839 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 13:42:04,895 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 13:42:04,906 INFO L208 MainTranslator]: Completed translation [2019-12-07 13:42:04,906 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:42:04 WrapperNode [2019-12-07 13:42:04,906 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 13:42:04,906 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 13:42:04,907 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 13:42:04,907 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 13:42:04,912 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:42:04" (1/1) ... [2019-12-07 13:42:04,925 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:42:04" (1/1) ... [2019-12-07 13:42:04,960 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 13:42:04,960 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 13:42:04,960 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 13:42:04,960 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 13:42:04,967 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:42:04" (1/1) ... [2019-12-07 13:42:04,967 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:42:04" (1/1) ... [2019-12-07 13:42:04,970 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:42:04" (1/1) ... [2019-12-07 13:42:04,970 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:42:04" (1/1) ... [2019-12-07 13:42:04,985 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:42:04" (1/1) ... [2019-12-07 13:42:04,991 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:42:04" (1/1) ... [2019-12-07 13:42:04,995 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:42:04" (1/1) ... [2019-12-07 13:42:05,000 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 13:42:05,001 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 13:42:05,001 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 13:42:05,001 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 13:42:05,002 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:42:04" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_19381478-4fb0-40b7-a850-b8aaafbd29f1/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 13:42:05,050 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 13:42:05,051 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 13:42:05,662 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 13:42:05,662 INFO L287 CfgBuilder]: Removed 7 assume(true) statements. [2019-12-07 13:42:05,663 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 01:42:05 BoogieIcfgContainer [2019-12-07 13:42:05,663 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 13:42:05,664 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-07 13:42:05,664 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-07 13:42:05,666 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-07 13:42:05,667 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 01:42:04" (1/3) ... [2019-12-07 13:42:05,667 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@311498a9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 01:42:05, skipping insertion in model container [2019-12-07 13:42:05,668 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 01:42:04" (2/3) ... [2019-12-07 13:42:05,668 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@311498a9 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 01:42:05, skipping insertion in model container [2019-12-07 13:42:05,668 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 01:42:05" (3/3) ... [2019-12-07 13:42:05,669 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem01_label42.c [2019-12-07 13:42:05,676 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-07 13:42:05,681 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-12-07 13:42:05,689 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-12-07 13:42:05,708 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-07 13:42:05,708 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-07 13:42:05,708 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-07 13:42:05,708 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 13:42:05,708 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 13:42:05,709 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-07 13:42:05,709 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 13:42:05,709 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-07 13:42:05,727 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states. [2019-12-07 13:42:05,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2019-12-07 13:42:05,735 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 13:42:05,736 INFO L410 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 13:42:05,736 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 13:42:05,740 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 13:42:05,740 INFO L82 PathProgramCache]: Analyzing trace with hash -1613704130, now seen corresponding path program 1 times [2019-12-07 13:42:05,746 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 13:42:05,747 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1111311234] [2019-12-07 13:42:05,747 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 13:42:05,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 13:42:06,006 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 13:42:06,006 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1111311234] [2019-12-07 13:42:06,007 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 13:42:06,007 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-07 13:42:06,008 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1082265956] [2019-12-07 13:42:06,011 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-07 13:42:06,012 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 13:42:06,020 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 13:42:06,021 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 13:42:06,022 INFO L87 Difference]: Start difference. First operand 198 states. Second operand 3 states. [2019-12-07 13:42:06,517 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 13:42:06,517 INFO L93 Difference]: Finished difference Result 528 states and 915 transitions. [2019-12-07 13:42:06,517 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 13:42:06,518 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 115 [2019-12-07 13:42:06,519 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 13:42:06,528 INFO L225 Difference]: With dead ends: 528 [2019-12-07 13:42:06,528 INFO L226 Difference]: Without dead ends: 266 [2019-12-07 13:42:06,531 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 13:42:06,542 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 266 states. [2019-12-07 13:42:06,565 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 266 to 266. [2019-12-07 13:42:06,566 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 266 states. [2019-12-07 13:42:06,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 266 states and 374 transitions. [2019-12-07 13:42:06,568 INFO L78 Accepts]: Start accepts. Automaton has 266 states and 374 transitions. Word has length 115 [2019-12-07 13:42:06,569 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 13:42:06,569 INFO L462 AbstractCegarLoop]: Abstraction has 266 states and 374 transitions. [2019-12-07 13:42:06,569 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-07 13:42:06,569 INFO L276 IsEmpty]: Start isEmpty. Operand 266 states and 374 transitions. [2019-12-07 13:42:06,571 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2019-12-07 13:42:06,571 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 13:42:06,571 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 13:42:06,571 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 13:42:06,572 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 13:42:06,572 INFO L82 PathProgramCache]: Analyzing trace with hash 1626358534, now seen corresponding path program 1 times [2019-12-07 13:42:06,572 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 13:42:06,572 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1167740568] [2019-12-07 13:42:06,572 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 13:42:06,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 13:42:06,685 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-12-07 13:42:06,685 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1167740568] [2019-12-07 13:42:06,685 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 13:42:06,686 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-07 13:42:06,686 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [928305404] [2019-12-07 13:42:06,687 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-07 13:42:06,688 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 13:42:06,688 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 13:42:06,688 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 13:42:06,688 INFO L87 Difference]: Start difference. First operand 266 states and 374 transitions. Second operand 4 states. [2019-12-07 13:42:07,174 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 13:42:07,174 INFO L93 Difference]: Finished difference Result 1054 states and 1488 transitions. [2019-12-07 13:42:07,175 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-12-07 13:42:07,175 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 119 [2019-12-07 13:42:07,176 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 13:42:07,182 INFO L225 Difference]: With dead ends: 1054 [2019-12-07 13:42:07,182 INFO L226 Difference]: Without dead ends: 790 [2019-12-07 13:42:07,183 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 13:42:07,185 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 790 states. [2019-12-07 13:42:07,208 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 790 to 528. [2019-12-07 13:42:07,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 528 states. [2019-12-07 13:42:07,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 528 states to 528 states and 708 transitions. [2019-12-07 13:42:07,211 INFO L78 Accepts]: Start accepts. Automaton has 528 states and 708 transitions. Word has length 119 [2019-12-07 13:42:07,211 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 13:42:07,211 INFO L462 AbstractCegarLoop]: Abstraction has 528 states and 708 transitions. [2019-12-07 13:42:07,211 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-07 13:42:07,212 INFO L276 IsEmpty]: Start isEmpty. Operand 528 states and 708 transitions. [2019-12-07 13:42:07,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2019-12-07 13:42:07,215 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 13:42:07,215 INFO L410 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 13:42:07,216 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 13:42:07,216 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 13:42:07,216 INFO L82 PathProgramCache]: Analyzing trace with hash -951101936, now seen corresponding path program 1 times [2019-12-07 13:42:07,216 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 13:42:07,216 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [707242455] [2019-12-07 13:42:07,217 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 13:42:07,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 13:42:07,278 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-12-07 13:42:07,278 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [707242455] [2019-12-07 13:42:07,278 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 13:42:07,278 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-07 13:42:07,279 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1001565531] [2019-12-07 13:42:07,279 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-07 13:42:07,279 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 13:42:07,279 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 13:42:07,279 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 13:42:07,280 INFO L87 Difference]: Start difference. First operand 528 states and 708 transitions. Second operand 3 states. [2019-12-07 13:42:07,582 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 13:42:07,583 INFO L93 Difference]: Finished difference Result 1316 states and 1785 transitions. [2019-12-07 13:42:07,583 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 13:42:07,583 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 149 [2019-12-07 13:42:07,583 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 13:42:07,586 INFO L225 Difference]: With dead ends: 1316 [2019-12-07 13:42:07,587 INFO L226 Difference]: Without dead ends: 790 [2019-12-07 13:42:07,588 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 13:42:07,588 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 790 states. [2019-12-07 13:42:07,598 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 790 to 659. [2019-12-07 13:42:07,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 659 states. [2019-12-07 13:42:07,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 659 states to 659 states and 888 transitions. [2019-12-07 13:42:07,600 INFO L78 Accepts]: Start accepts. Automaton has 659 states and 888 transitions. Word has length 149 [2019-12-07 13:42:07,601 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 13:42:07,601 INFO L462 AbstractCegarLoop]: Abstraction has 659 states and 888 transitions. [2019-12-07 13:42:07,601 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-07 13:42:07,601 INFO L276 IsEmpty]: Start isEmpty. Operand 659 states and 888 transitions. [2019-12-07 13:42:07,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2019-12-07 13:42:07,603 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 13:42:07,603 INFO L410 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 13:42:07,603 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 13:42:07,603 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 13:42:07,603 INFO L82 PathProgramCache]: Analyzing trace with hash 1921921286, now seen corresponding path program 1 times [2019-12-07 13:42:07,603 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 13:42:07,604 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [609112689] [2019-12-07 13:42:07,604 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 13:42:07,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 13:42:07,690 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2019-12-07 13:42:07,690 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [609112689] [2019-12-07 13:42:07,691 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 13:42:07,691 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-07 13:42:07,691 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1293420995] [2019-12-07 13:42:07,691 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-07 13:42:07,691 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 13:42:07,692 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 13:42:07,692 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-12-07 13:42:07,692 INFO L87 Difference]: Start difference. First operand 659 states and 888 transitions. Second operand 4 states. [2019-12-07 13:42:08,154 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 13:42:08,155 INFO L93 Difference]: Finished difference Result 1449 states and 1931 transitions. [2019-12-07 13:42:08,155 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-12-07 13:42:08,155 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 153 [2019-12-07 13:42:08,155 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 13:42:08,158 INFO L225 Difference]: With dead ends: 1449 [2019-12-07 13:42:08,158 INFO L226 Difference]: Without dead ends: 792 [2019-12-07 13:42:08,159 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-12-07 13:42:08,160 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 792 states. [2019-12-07 13:42:08,170 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 792 to 790. [2019-12-07 13:42:08,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 790 states. [2019-12-07 13:42:08,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 790 states to 790 states and 1025 transitions. [2019-12-07 13:42:08,172 INFO L78 Accepts]: Start accepts. Automaton has 790 states and 1025 transitions. Word has length 153 [2019-12-07 13:42:08,173 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 13:42:08,173 INFO L462 AbstractCegarLoop]: Abstraction has 790 states and 1025 transitions. [2019-12-07 13:42:08,173 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-07 13:42:08,173 INFO L276 IsEmpty]: Start isEmpty. Operand 790 states and 1025 transitions. [2019-12-07 13:42:08,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2019-12-07 13:42:08,174 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 13:42:08,175 INFO L410 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 13:42:08,175 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 13:42:08,175 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 13:42:08,175 INFO L82 PathProgramCache]: Analyzing trace with hash -680769074, now seen corresponding path program 1 times [2019-12-07 13:42:08,175 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 13:42:08,175 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1712453492] [2019-12-07 13:42:08,175 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 13:42:08,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 13:42:08,213 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2019-12-07 13:42:08,213 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1712453492] [2019-12-07 13:42:08,214 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 13:42:08,214 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-12-07 13:42:08,214 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1400261161] [2019-12-07 13:42:08,214 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-07 13:42:08,214 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 13:42:08,214 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 13:42:08,215 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 13:42:08,215 INFO L87 Difference]: Start difference. First operand 790 states and 1025 transitions. Second operand 3 states. [2019-12-07 13:42:08,565 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 13:42:08,565 INFO L93 Difference]: Finished difference Result 1709 states and 2245 transitions. [2019-12-07 13:42:08,566 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 13:42:08,566 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 157 [2019-12-07 13:42:08,566 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 13:42:08,570 INFO L225 Difference]: With dead ends: 1709 [2019-12-07 13:42:08,570 INFO L226 Difference]: Without dead ends: 1052 [2019-12-07 13:42:08,571 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 13:42:08,573 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1052 states. [2019-12-07 13:42:08,588 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1052 to 1052. [2019-12-07 13:42:08,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1052 states. [2019-12-07 13:42:08,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1052 states to 1052 states and 1323 transitions. [2019-12-07 13:42:08,592 INFO L78 Accepts]: Start accepts. Automaton has 1052 states and 1323 transitions. Word has length 157 [2019-12-07 13:42:08,592 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 13:42:08,592 INFO L462 AbstractCegarLoop]: Abstraction has 1052 states and 1323 transitions. [2019-12-07 13:42:08,592 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-07 13:42:08,592 INFO L276 IsEmpty]: Start isEmpty. Operand 1052 states and 1323 transitions. [2019-12-07 13:42:08,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2019-12-07 13:42:08,594 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 13:42:08,594 INFO L410 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 13:42:08,595 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 13:42:08,595 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 13:42:08,595 INFO L82 PathProgramCache]: Analyzing trace with hash 556803504, now seen corresponding path program 1 times [2019-12-07 13:42:08,595 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 13:42:08,595 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [4123516] [2019-12-07 13:42:08,595 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 13:42:08,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 13:42:08,635 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2019-12-07 13:42:08,636 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [4123516] [2019-12-07 13:42:08,636 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 13:42:08,636 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-12-07 13:42:08,636 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1214487680] [2019-12-07 13:42:08,637 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-07 13:42:08,637 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 13:42:08,637 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 13:42:08,637 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 13:42:08,637 INFO L87 Difference]: Start difference. First operand 1052 states and 1323 transitions. Second operand 4 states. [2019-12-07 13:42:09,164 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 13:42:09,164 INFO L93 Difference]: Finished difference Result 3150 states and 3974 transitions. [2019-12-07 13:42:09,165 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-12-07 13:42:09,165 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 166 [2019-12-07 13:42:09,165 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 13:42:09,172 INFO L225 Difference]: With dead ends: 3150 [2019-12-07 13:42:09,173 INFO L226 Difference]: Without dead ends: 2231 [2019-12-07 13:42:09,174 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 13:42:09,176 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2231 states. [2019-12-07 13:42:09,198 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2231 to 1576. [2019-12-07 13:42:09,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1576 states. [2019-12-07 13:42:09,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1576 states to 1576 states and 1943 transitions. [2019-12-07 13:42:09,201 INFO L78 Accepts]: Start accepts. Automaton has 1576 states and 1943 transitions. Word has length 166 [2019-12-07 13:42:09,201 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 13:42:09,201 INFO L462 AbstractCegarLoop]: Abstraction has 1576 states and 1943 transitions. [2019-12-07 13:42:09,201 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-07 13:42:09,201 INFO L276 IsEmpty]: Start isEmpty. Operand 1576 states and 1943 transitions. [2019-12-07 13:42:09,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2019-12-07 13:42:09,204 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 13:42:09,204 INFO L410 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2019-12-07 13:42:09,204 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 13:42:09,205 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 13:42:09,205 INFO L82 PathProgramCache]: Analyzing trace with hash 390134956, now seen corresponding path program 1 times [2019-12-07 13:42:09,205 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 13:42:09,205 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [966970330] [2019-12-07 13:42:09,205 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 13:42:09,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 13:42:09,272 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 53 proven. 0 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2019-12-07 13:42:09,272 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [966970330] [2019-12-07 13:42:09,272 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 13:42:09,272 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-12-07 13:42:09,272 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [330028070] [2019-12-07 13:42:09,273 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-12-07 13:42:09,273 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 13:42:09,273 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-12-07 13:42:09,273 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2019-12-07 13:42:09,274 INFO L87 Difference]: Start difference. First operand 1576 states and 1943 transitions. Second operand 5 states. [2019-12-07 13:42:09,854 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 13:42:09,854 INFO L93 Difference]: Finished difference Result 3543 states and 4355 transitions. [2019-12-07 13:42:09,855 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-12-07 13:42:09,855 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 190 [2019-12-07 13:42:09,855 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 13:42:09,862 INFO L225 Difference]: With dead ends: 3543 [2019-12-07 13:42:09,862 INFO L226 Difference]: Without dead ends: 2100 [2019-12-07 13:42:09,863 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2019-12-07 13:42:09,865 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2100 states. [2019-12-07 13:42:09,886 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2100 to 1838. [2019-12-07 13:42:09,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1838 states. [2019-12-07 13:42:09,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1838 states to 1838 states and 2217 transitions. [2019-12-07 13:42:09,889 INFO L78 Accepts]: Start accepts. Automaton has 1838 states and 2217 transitions. Word has length 190 [2019-12-07 13:42:09,889 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 13:42:09,889 INFO L462 AbstractCegarLoop]: Abstraction has 1838 states and 2217 transitions. [2019-12-07 13:42:09,889 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-12-07 13:42:09,889 INFO L276 IsEmpty]: Start isEmpty. Operand 1838 states and 2217 transitions. [2019-12-07 13:42:09,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2019-12-07 13:42:09,892 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 13:42:09,892 INFO L410 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2019-12-07 13:42:09,892 INFO L410 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 13:42:09,893 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 13:42:09,893 INFO L82 PathProgramCache]: Analyzing trace with hash 128921415, now seen corresponding path program 1 times [2019-12-07 13:42:09,893 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 13:42:09,893 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [597278212] [2019-12-07 13:42:09,893 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 13:42:09,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 13:42:09,931 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 65 proven. 0 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2019-12-07 13:42:09,931 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [597278212] [2019-12-07 13:42:09,931 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 13:42:09,931 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-07 13:42:09,931 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1442572722] [2019-12-07 13:42:09,931 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-07 13:42:09,932 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 13:42:09,932 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 13:42:09,932 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 13:42:09,932 INFO L87 Difference]: Start difference. First operand 1838 states and 2217 transitions. Second operand 3 states. [2019-12-07 13:42:10,212 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 13:42:10,213 INFO L93 Difference]: Finished difference Result 4067 states and 4903 transitions. [2019-12-07 13:42:10,213 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 13:42:10,213 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 193 [2019-12-07 13:42:10,213 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 13:42:10,219 INFO L225 Difference]: With dead ends: 4067 [2019-12-07 13:42:10,219 INFO L226 Difference]: Without dead ends: 1969 [2019-12-07 13:42:10,221 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 13:42:10,223 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1969 states. [2019-12-07 13:42:10,250 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1969 to 1707. [2019-12-07 13:42:10,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1707 states. [2019-12-07 13:42:10,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1707 states to 1707 states and 1877 transitions. [2019-12-07 13:42:10,252 INFO L78 Accepts]: Start accepts. Automaton has 1707 states and 1877 transitions. Word has length 193 [2019-12-07 13:42:10,252 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 13:42:10,252 INFO L462 AbstractCegarLoop]: Abstraction has 1707 states and 1877 transitions. [2019-12-07 13:42:10,252 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-07 13:42:10,252 INFO L276 IsEmpty]: Start isEmpty. Operand 1707 states and 1877 transitions. [2019-12-07 13:42:10,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 220 [2019-12-07 13:42:10,256 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 13:42:10,256 INFO L410 BasicCegarLoop]: trace histogram [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, 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] [2019-12-07 13:42:10,256 INFO L410 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 13:42:10,256 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 13:42:10,256 INFO L82 PathProgramCache]: Analyzing trace with hash 2022598972, now seen corresponding path program 1 times [2019-12-07 13:42:10,256 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 13:42:10,256 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1753443195] [2019-12-07 13:42:10,256 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 13:42:10,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 13:42:10,381 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 98 proven. 4 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2019-12-07 13:42:10,381 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1753443195] [2019-12-07 13:42:10,381 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [491755265] [2019-12-07 13:42:10,381 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_19381478-4fb0-40b7-a850-b8aaafbd29f1/bin/uautomizer/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-12-07 13:42:10,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 13:42:10,469 INFO L264 TraceCheckSpWp]: Trace formula consists of 361 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 13:42:10,481 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 13:42:10,537 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 98 proven. 0 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2019-12-07 13:42:10,538 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-12-07 13:42:10,538 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 4 [2019-12-07 13:42:10,538 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1392533009] [2019-12-07 13:42:10,538 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-07 13:42:10,538 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 13:42:10,539 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 13:42:10,539 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 13:42:10,539 INFO L87 Difference]: Start difference. First operand 1707 states and 1877 transitions. Second operand 3 states. [2019-12-07 13:42:10,832 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 13:42:10,832 INFO L93 Difference]: Finished difference Result 3672 states and 4041 transitions. [2019-12-07 13:42:10,833 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 13:42:10,833 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 219 [2019-12-07 13:42:10,833 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 13:42:10,833 INFO L225 Difference]: With dead ends: 3672 [2019-12-07 13:42:10,834 INFO L226 Difference]: Without dead ends: 0 [2019-12-07 13:42:10,835 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 222 GetRequests, 220 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 13:42:10,835 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-12-07 13:42:10,836 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-12-07 13:42:10,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-12-07 13:42:10,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-12-07 13:42:10,836 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 219 [2019-12-07 13:42:10,836 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 13:42:10,836 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 13:42:10,836 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-07 13:42:10,836 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-12-07 13:42:10,836 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-12-07 13:42:11,037 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-12-07 13:42:11,038 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-12-07 13:42:11,278 WARN L192 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 32 [2019-12-07 13:42:11,281 INFO L246 CegarLoopResult]: For program point L333(lines 333 390) no Hoare annotation was computed. [2019-12-07 13:42:11,281 INFO L246 CegarLoopResult]: For program point L102(lines 102 390) no Hoare annotation was computed. [2019-12-07 13:42:11,281 INFO L246 CegarLoopResult]: For program point L565-1(lines 30 575) no Hoare annotation was computed. [2019-12-07 13:42:11,282 INFO L246 CegarLoopResult]: For program point L532-1(lines 30 575) no Hoare annotation was computed. [2019-12-07 13:42:11,282 INFO L246 CegarLoopResult]: For program point L499-1(lines 30 575) no Hoare annotation was computed. [2019-12-07 13:42:11,282 INFO L246 CegarLoopResult]: For program point L466-1(lines 30 575) no Hoare annotation was computed. [2019-12-07 13:42:11,282 INFO L246 CegarLoopResult]: For program point L433-1(lines 30 575) no Hoare annotation was computed. [2019-12-07 13:42:11,282 INFO L246 CegarLoopResult]: For program point L400-1(lines 30 575) no Hoare annotation was computed. [2019-12-07 13:42:11,282 INFO L246 CegarLoopResult]: For program point L268(lines 268 390) no Hoare annotation was computed. [2019-12-07 13:42:11,282 INFO L246 CegarLoopResult]: For program point L136(lines 136 390) no Hoare annotation was computed. [2019-12-07 13:42:11,282 INFO L246 CegarLoopResult]: For program point L566(line 566) no Hoare annotation was computed. [2019-12-07 13:42:11,282 INFO L246 CegarLoopResult]: For program point L533(line 533) no Hoare annotation was computed. [2019-12-07 13:42:11,282 INFO L246 CegarLoopResult]: For program point L500(line 500) no Hoare annotation was computed. [2019-12-07 13:42:11,283 INFO L246 CegarLoopResult]: For program point L467(line 467) no Hoare annotation was computed. [2019-12-07 13:42:11,283 INFO L246 CegarLoopResult]: For program point L434(line 434) no Hoare annotation was computed. [2019-12-07 13:42:11,283 INFO L246 CegarLoopResult]: For program point L401(line 401) no Hoare annotation was computed. [2019-12-07 13:42:11,283 INFO L246 CegarLoopResult]: For program point L203(lines 203 390) no Hoare annotation was computed. [2019-12-07 13:42:11,283 INFO L246 CegarLoopResult]: For program point L72(lines 72 390) no Hoare annotation was computed. [2019-12-07 13:42:11,283 INFO L246 CegarLoopResult]: For program point L568-1(lines 30 575) no Hoare annotation was computed. [2019-12-07 13:42:11,283 INFO L246 CegarLoopResult]: For program point L535-1(lines 30 575) no Hoare annotation was computed. [2019-12-07 13:42:11,283 INFO L246 CegarLoopResult]: For program point L502-1(lines 30 575) no Hoare annotation was computed. [2019-12-07 13:42:11,283 INFO L246 CegarLoopResult]: For program point L469-1(lines 30 575) no Hoare annotation was computed. [2019-12-07 13:42:11,283 INFO L246 CegarLoopResult]: For program point L436-1(lines 30 575) no Hoare annotation was computed. [2019-12-07 13:42:11,283 INFO L246 CegarLoopResult]: For program point L403-1(lines 30 575) no Hoare annotation was computed. [2019-12-07 13:42:11,283 INFO L246 CegarLoopResult]: For program point L337(lines 337 390) no Hoare annotation was computed. [2019-12-07 13:42:11,284 INFO L246 CegarLoopResult]: For program point L238(lines 238 390) no Hoare annotation was computed. [2019-12-07 13:42:11,284 INFO L246 CegarLoopResult]: For program point L569(line 569) no Hoare annotation was computed. [2019-12-07 13:42:11,284 INFO L246 CegarLoopResult]: For program point L536(line 536) no Hoare annotation was computed. [2019-12-07 13:42:11,284 INFO L246 CegarLoopResult]: For program point L503(line 503) no Hoare annotation was computed. [2019-12-07 13:42:11,284 INFO L246 CegarLoopResult]: For program point L470(line 470) no Hoare annotation was computed. [2019-12-07 13:42:11,284 INFO L246 CegarLoopResult]: For program point L437(line 437) no Hoare annotation was computed. [2019-12-07 13:42:11,284 INFO L246 CegarLoopResult]: For program point L404(line 404) no Hoare annotation was computed. [2019-12-07 13:42:11,284 INFO L246 CegarLoopResult]: For program point L173(lines 173 390) no Hoare annotation was computed. [2019-12-07 13:42:11,284 INFO L246 CegarLoopResult]: For program point L140(lines 140 390) no Hoare annotation was computed. [2019-12-07 13:42:11,284 INFO L246 CegarLoopResult]: For program point L372(lines 372 390) no Hoare annotation was computed. [2019-12-07 13:42:11,284 INFO L246 CegarLoopResult]: For program point L306(lines 306 390) no Hoare annotation was computed. [2019-12-07 13:42:11,285 INFO L246 CegarLoopResult]: For program point L273(lines 273 390) no Hoare annotation was computed. [2019-12-07 13:42:11,285 INFO L246 CegarLoopResult]: For program point L108(lines 108 390) no Hoare annotation was computed. [2019-12-07 13:42:11,285 INFO L246 CegarLoopResult]: For program point L571-1(lines 571 573) no Hoare annotation was computed. [2019-12-07 13:42:11,285 INFO L246 CegarLoopResult]: For program point L538-1(lines 30 575) no Hoare annotation was computed. [2019-12-07 13:42:11,285 INFO L246 CegarLoopResult]: For program point L505-1(lines 30 575) no Hoare annotation was computed. [2019-12-07 13:42:11,285 INFO L246 CegarLoopResult]: For program point L472-1(lines 30 575) no Hoare annotation was computed. [2019-12-07 13:42:11,285 INFO L246 CegarLoopResult]: For program point L439-1(lines 30 575) no Hoare annotation was computed. [2019-12-07 13:42:11,285 INFO L246 CegarLoopResult]: For program point L406-1(lines 30 575) no Hoare annotation was computed. [2019-12-07 13:42:11,285 INFO L246 CegarLoopResult]: For program point L208(lines 208 390) no Hoare annotation was computed. [2019-12-07 13:42:11,285 INFO L246 CegarLoopResult]: For program point L43(lines 43 390) no Hoare annotation was computed. [2019-12-07 13:42:11,285 INFO L246 CegarLoopResult]: For program point L572(line 572) no Hoare annotation was computed. [2019-12-07 13:42:11,285 INFO L246 CegarLoopResult]: For program point L539(line 539) no Hoare annotation was computed. [2019-12-07 13:42:11,286 INFO L246 CegarLoopResult]: For program point L506(line 506) no Hoare annotation was computed. [2019-12-07 13:42:11,286 INFO L246 CegarLoopResult]: For program point L473(line 473) no Hoare annotation was computed. [2019-12-07 13:42:11,286 INFO L246 CegarLoopResult]: For program point L440(line 440) no Hoare annotation was computed. [2019-12-07 13:42:11,286 INFO L246 CegarLoopResult]: For program point L407(line 407) no Hoare annotation was computed. [2019-12-07 13:42:11,286 INFO L246 CegarLoopResult]: For program point L144(lines 144 390) no Hoare annotation was computed. [2019-12-07 13:42:11,286 INFO L242 CegarLoopResult]: At program point L574(lines 30 575) the Hoare annotation is: (let ((.cse1 (not (= ~a16~0 6))) (.cse2 (= ~a17~0 1)) (.cse0 (= 1 ~a7~0)) (.cse3 (= ~a20~0 1)) (.cse7 (= ~a16~0 5)) (.cse4 (<= ~a17~0 0)) (.cse5 (= ~a21~0 1)) (.cse6 (not (= 13 ~a8~0)))) (or (and .cse0 .cse1 .cse2) (and .cse0 .cse3) (and .cse1 .cse4 .cse5) (and .cse4 .cse5 .cse3) (and .cse2 .cse5 .cse6) (and .cse2 .cse5 .cse3) (and .cse0 .cse5 .cse6 .cse7) (and .cse5 .cse3 .cse7) (and .cse4 .cse5 .cse6))) [2019-12-07 13:42:11,286 INFO L246 CegarLoopResult]: For program point L541-1(lines 30 575) no Hoare annotation was computed. [2019-12-07 13:42:11,287 INFO L246 CegarLoopResult]: For program point L508-1(lines 30 575) no Hoare annotation was computed. [2019-12-07 13:42:11,287 INFO L246 CegarLoopResult]: For program point L475-1(lines 30 575) no Hoare annotation was computed. [2019-12-07 13:42:11,287 INFO L246 CegarLoopResult]: For program point L442-1(lines 30 575) no Hoare annotation was computed. [2019-12-07 13:42:11,287 INFO L246 CegarLoopResult]: For program point L409-1(lines 30 575) no Hoare annotation was computed. [2019-12-07 13:42:11,287 INFO L246 CegarLoopResult]: For program point L178(lines 178 390) no Hoare annotation was computed. [2019-12-07 13:42:11,287 INFO L246 CegarLoopResult]: For program point L542(line 542) no Hoare annotation was computed. [2019-12-07 13:42:11,287 INFO L246 CegarLoopResult]: For program point L509(line 509) no Hoare annotation was computed. [2019-12-07 13:42:11,287 INFO L246 CegarLoopResult]: For program point L476(line 476) no Hoare annotation was computed. [2019-12-07 13:42:11,287 INFO L246 CegarLoopResult]: For program point L443(line 443) no Hoare annotation was computed. [2019-12-07 13:42:11,287 INFO L246 CegarLoopResult]: For program point L410(line 410) no Hoare annotation was computed. [2019-12-07 13:42:11,287 INFO L246 CegarLoopResult]: For program point L377(lines 377 390) no Hoare annotation was computed. [2019-12-07 13:42:11,287 INFO L246 CegarLoopResult]: For program point L278(lines 278 390) no Hoare annotation was computed. [2019-12-07 13:42:11,287 INFO L246 CegarLoopResult]: For program point L245(lines 245 390) no Hoare annotation was computed. [2019-12-07 13:42:11,288 INFO L246 CegarLoopResult]: For program point L80(lines 80 390) no Hoare annotation was computed. [2019-12-07 13:42:11,288 INFO L246 CegarLoopResult]: For program point L345(lines 345 390) no Hoare annotation was computed. [2019-12-07 13:42:11,288 INFO L246 CegarLoopResult]: For program point L312(lines 312 390) no Hoare annotation was computed. [2019-12-07 13:42:11,288 INFO L246 CegarLoopResult]: For program point L114(lines 114 390) no Hoare annotation was computed. [2019-12-07 13:42:11,288 INFO L249 CegarLoopResult]: At program point L577(lines 577 594) the Hoare annotation is: true [2019-12-07 13:42:11,288 INFO L246 CegarLoopResult]: For program point L544-1(lines 30 575) no Hoare annotation was computed. [2019-12-07 13:42:11,288 INFO L246 CegarLoopResult]: For program point L511-1(lines 30 575) no Hoare annotation was computed. [2019-12-07 13:42:11,288 INFO L246 CegarLoopResult]: For program point L478-1(lines 30 575) no Hoare annotation was computed. [2019-12-07 13:42:11,288 INFO L246 CegarLoopResult]: For program point L445-1(lines 30 575) no Hoare annotation was computed. [2019-12-07 13:42:11,288 INFO L246 CegarLoopResult]: For program point L412-1(lines 30 575) no Hoare annotation was computed. [2019-12-07 13:42:11,288 INFO L246 CegarLoopResult]: For program point L214(lines 214 390) no Hoare annotation was computed. [2019-12-07 13:42:11,288 INFO L246 CegarLoopResult]: For program point L148(lines 148 390) no Hoare annotation was computed. [2019-12-07 13:42:11,288 INFO L246 CegarLoopResult]: For program point L49(lines 49 390) no Hoare annotation was computed. [2019-12-07 13:42:11,289 INFO L246 CegarLoopResult]: For program point L545(line 545) no Hoare annotation was computed. [2019-12-07 13:42:11,289 INFO L246 CegarLoopResult]: For program point L512(line 512) no Hoare annotation was computed. [2019-12-07 13:42:11,289 INFO L246 CegarLoopResult]: For program point L479(line 479) no Hoare annotation was computed. [2019-12-07 13:42:11,289 INFO L246 CegarLoopResult]: For program point L446(line 446) no Hoare annotation was computed. [2019-12-07 13:42:11,289 INFO L246 CegarLoopResult]: For program point L413(line 413) no Hoare annotation was computed. [2019-12-07 13:42:11,289 INFO L246 CegarLoopResult]: For program point L84(lines 84 390) no Hoare annotation was computed. [2019-12-07 13:42:11,289 INFO L246 CegarLoopResult]: For program point L547-1(lines 30 575) no Hoare annotation was computed. [2019-12-07 13:42:11,289 INFO L246 CegarLoopResult]: For program point L514-1(lines 30 575) no Hoare annotation was computed. [2019-12-07 13:42:11,289 INFO L246 CegarLoopResult]: For program point L481-1(lines 30 575) no Hoare annotation was computed. [2019-12-07 13:42:11,289 INFO L246 CegarLoopResult]: For program point L448-1(lines 30 575) no Hoare annotation was computed. [2019-12-07 13:42:11,289 INFO L246 CegarLoopResult]: For program point L382(lines 382 390) no Hoare annotation was computed. [2019-12-07 13:42:11,289 INFO L246 CegarLoopResult]: For program point L415-1(lines 30 575) no Hoare annotation was computed. [2019-12-07 13:42:11,290 INFO L246 CegarLoopResult]: For program point L316(lines 316 390) no Hoare annotation was computed. [2019-12-07 13:42:11,290 INFO L246 CegarLoopResult]: For program point L250(lines 250 390) no Hoare annotation was computed. [2019-12-07 13:42:11,290 INFO L246 CegarLoopResult]: For program point L548(line 548) no Hoare annotation was computed. [2019-12-07 13:42:11,290 INFO L246 CegarLoopResult]: For program point L515(line 515) no Hoare annotation was computed. [2019-12-07 13:42:11,290 INFO L246 CegarLoopResult]: For program point L482(line 482) no Hoare annotation was computed. [2019-12-07 13:42:11,290 INFO L246 CegarLoopResult]: For program point L449(line 449) no Hoare annotation was computed. [2019-12-07 13:42:11,290 INFO L246 CegarLoopResult]: For program point L416(line 416) no Hoare annotation was computed. [2019-12-07 13:42:11,290 INFO L246 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-12-07 13:42:11,290 INFO L246 CegarLoopResult]: For program point L218(lines 218 390) no Hoare annotation was computed. [2019-12-07 13:42:11,290 INFO L246 CegarLoopResult]: For program point L152(lines 152 390) no Hoare annotation was computed. [2019-12-07 13:42:11,290 INFO L246 CegarLoopResult]: For program point L119(lines 119 390) no Hoare annotation was computed. [2019-12-07 13:42:11,290 INFO L246 CegarLoopResult]: For program point L318(lines 318 390) no Hoare annotation was computed. [2019-12-07 13:42:11,290 INFO L246 CegarLoopResult]: For program point L186(lines 186 390) no Hoare annotation was computed. [2019-12-07 13:42:11,291 INFO L246 CegarLoopResult]: For program point L54(lines 54 390) no Hoare annotation was computed. [2019-12-07 13:42:11,291 INFO L246 CegarLoopResult]: For program point L550-1(lines 30 575) no Hoare annotation was computed. [2019-12-07 13:42:11,291 INFO L242 CegarLoopResult]: At program point L583-2(lines 583 593) the Hoare annotation is: (let ((.cse1 (not (= ~a16~0 6))) (.cse2 (= ~a17~0 1)) (.cse0 (= 1 ~a7~0)) (.cse3 (= ~a20~0 1)) (.cse7 (= ~a16~0 5)) (.cse4 (<= ~a17~0 0)) (.cse5 (= ~a21~0 1)) (.cse6 (not (= 13 ~a8~0)))) (or (and .cse0 .cse1 .cse2) (and .cse0 .cse3) (and .cse1 .cse4 .cse5) (and .cse4 .cse5 .cse3) (and .cse2 .cse5 .cse6) (and .cse2 .cse5 .cse3) (and .cse0 .cse5 .cse6 .cse7) (and .cse5 .cse3 .cse7) (and .cse4 .cse5 .cse6))) [2019-12-07 13:42:11,291 INFO L246 CegarLoopResult]: For program point L517-1(lines 30 575) no Hoare annotation was computed. [2019-12-07 13:42:11,291 INFO L246 CegarLoopResult]: For program point L484-1(lines 30 575) no Hoare annotation was computed. [2019-12-07 13:42:11,291 INFO L246 CegarLoopResult]: For program point L451-1(lines 30 575) no Hoare annotation was computed. [2019-12-07 13:42:11,291 INFO L246 CegarLoopResult]: For program point L418-1(lines 30 575) no Hoare annotation was computed. [2019-12-07 13:42:11,291 INFO L246 CegarLoopResult]: For program point L286(lines 286 390) no Hoare annotation was computed. [2019-12-07 13:42:11,291 INFO L246 CegarLoopResult]: For program point L551(line 551) no Hoare annotation was computed. [2019-12-07 13:42:11,291 INFO L246 CegarLoopResult]: For program point L518(line 518) no Hoare annotation was computed. [2019-12-07 13:42:11,292 INFO L246 CegarLoopResult]: For program point L485(line 485) no Hoare annotation was computed. [2019-12-07 13:42:11,292 INFO L246 CegarLoopResult]: For program point L452(line 452) no Hoare annotation was computed. [2019-12-07 13:42:11,292 INFO L246 CegarLoopResult]: For program point L419(line 419) no Hoare annotation was computed. [2019-12-07 13:42:11,292 INFO L246 CegarLoopResult]: For program point L353(lines 353 390) no Hoare annotation was computed. [2019-12-07 13:42:11,292 INFO L246 CegarLoopResult]: For program point L189(lines 189 390) no Hoare annotation was computed. [2019-12-07 13:42:11,292 INFO L246 CegarLoopResult]: For program point L553-1(lines 30 575) no Hoare annotation was computed. [2019-12-07 13:42:11,292 INFO L246 CegarLoopResult]: For program point L520-1(lines 30 575) no Hoare annotation was computed. [2019-12-07 13:42:11,292 INFO L246 CegarLoopResult]: For program point L487-1(lines 30 575) no Hoare annotation was computed. [2019-12-07 13:42:11,292 INFO L246 CegarLoopResult]: For program point L454-1(lines 30 575) no Hoare annotation was computed. [2019-12-07 13:42:11,292 INFO L246 CegarLoopResult]: For program point L421-1(lines 30 575) no Hoare annotation was computed. [2019-12-07 13:42:11,292 INFO L246 CegarLoopResult]: For program point L355(lines 355 390) no Hoare annotation was computed. [2019-12-07 13:42:11,292 INFO L246 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-12-07 13:42:11,293 INFO L246 CegarLoopResult]: For program point L256(lines 256 390) no Hoare annotation was computed. [2019-12-07 13:42:11,293 INFO L246 CegarLoopResult]: For program point L223(lines 223 390) no Hoare annotation was computed. [2019-12-07 13:42:11,293 INFO L246 CegarLoopResult]: For program point L124(lines 124 390) no Hoare annotation was computed. [2019-12-07 13:42:11,293 INFO L246 CegarLoopResult]: For program point L554(line 554) no Hoare annotation was computed. [2019-12-07 13:42:11,293 INFO L246 CegarLoopResult]: For program point L521(line 521) no Hoare annotation was computed. [2019-12-07 13:42:11,293 INFO L246 CegarLoopResult]: For program point L488(line 488) no Hoare annotation was computed. [2019-12-07 13:42:11,293 INFO L246 CegarLoopResult]: For program point L455(line 455) no Hoare annotation was computed. [2019-12-07 13:42:11,293 INFO L246 CegarLoopResult]: For program point L422(line 422) no Hoare annotation was computed. [2019-12-07 13:42:11,293 INFO L246 CegarLoopResult]: For program point L92(lines 92 390) no Hoare annotation was computed. [2019-12-07 13:42:11,293 INFO L246 CegarLoopResult]: For program point L588(line 588) no Hoare annotation was computed. [2019-12-07 13:42:11,293 INFO L246 CegarLoopResult]: For program point L324(lines 324 390) no Hoare annotation was computed. [2019-12-07 13:42:11,293 INFO L246 CegarLoopResult]: For program point L556-1(lines 30 575) no Hoare annotation was computed. [2019-12-07 13:42:11,293 INFO L246 CegarLoopResult]: For program point L523-1(lines 30 575) no Hoare annotation was computed. [2019-12-07 13:42:11,294 INFO L246 CegarLoopResult]: For program point L490-1(lines 30 575) no Hoare annotation was computed. [2019-12-07 13:42:11,294 INFO L246 CegarLoopResult]: For program point L457-1(lines 30 575) no Hoare annotation was computed. [2019-12-07 13:42:11,294 INFO L246 CegarLoopResult]: For program point L391(lines 391 393) no Hoare annotation was computed. [2019-12-07 13:42:11,294 INFO L246 CegarLoopResult]: For program point L424-1(lines 30 575) no Hoare annotation was computed. [2019-12-07 13:42:11,294 INFO L246 CegarLoopResult]: For program point L391-2(lines 30 575) no Hoare annotation was computed. [2019-12-07 13:42:11,294 INFO L246 CegarLoopResult]: For program point L292(lines 292 390) no Hoare annotation was computed. [2019-12-07 13:42:11,294 INFO L246 CegarLoopResult]: For program point L160(lines 160 390) no Hoare annotation was computed. [2019-12-07 13:42:11,294 INFO L246 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-12-07 13:42:11,294 INFO L246 CegarLoopResult]: For program point L557(line 557) no Hoare annotation was computed. [2019-12-07 13:42:11,294 INFO L246 CegarLoopResult]: For program point L524(line 524) no Hoare annotation was computed. [2019-12-07 13:42:11,294 INFO L246 CegarLoopResult]: For program point L491(line 491) no Hoare annotation was computed. [2019-12-07 13:42:11,294 INFO L246 CegarLoopResult]: For program point L458(line 458) no Hoare annotation was computed. [2019-12-07 13:42:11,294 INFO L246 CegarLoopResult]: For program point L425(line 425) no Hoare annotation was computed. [2019-12-07 13:42:11,295 INFO L246 CegarLoopResult]: For program point L392(line 392) no Hoare annotation was computed. [2019-12-07 13:42:11,295 INFO L246 CegarLoopResult]: For program point L194(lines 194 390) no Hoare annotation was computed. [2019-12-07 13:42:11,295 INFO L246 CegarLoopResult]: For program point L62(lines 62 390) no Hoare annotation was computed. [2019-12-07 13:42:11,295 INFO L246 CegarLoopResult]: For program point L261(lines 261 390) no Hoare annotation was computed. [2019-12-07 13:42:11,295 INFO L246 CegarLoopResult]: For program point L129(lines 129 390) no Hoare annotation was computed. [2019-12-07 13:42:11,295 INFO L246 CegarLoopResult]: For program point L559-1(lines 30 575) no Hoare annotation was computed. [2019-12-07 13:42:11,295 INFO L246 CegarLoopResult]: For program point L526-1(lines 30 575) no Hoare annotation was computed. [2019-12-07 13:42:11,295 INFO L246 CegarLoopResult]: For program point L493-1(lines 30 575) no Hoare annotation was computed. [2019-12-07 13:42:11,295 INFO L246 CegarLoopResult]: For program point L460-1(lines 30 575) no Hoare annotation was computed. [2019-12-07 13:42:11,295 INFO L246 CegarLoopResult]: For program point L427-1(lines 30 575) no Hoare annotation was computed. [2019-12-07 13:42:11,295 INFO L246 CegarLoopResult]: For program point L361(lines 361 390) no Hoare annotation was computed. [2019-12-07 13:42:11,295 INFO L246 CegarLoopResult]: For program point L394-1(lines 30 575) no Hoare annotation was computed. [2019-12-07 13:42:11,296 INFO L246 CegarLoopResult]: For program point L97(lines 97 390) no Hoare annotation was computed. [2019-12-07 13:42:11,296 INFO L246 CegarLoopResult]: For program point L31(lines 31 390) no Hoare annotation was computed. [2019-12-07 13:42:11,296 INFO L246 CegarLoopResult]: For program point L560(line 560) no Hoare annotation was computed. [2019-12-07 13:42:11,296 INFO L246 CegarLoopResult]: For program point L527(line 527) no Hoare annotation was computed. [2019-12-07 13:42:11,296 INFO L246 CegarLoopResult]: For program point L494(line 494) no Hoare annotation was computed. [2019-12-07 13:42:11,296 INFO L246 CegarLoopResult]: For program point L461(line 461) no Hoare annotation was computed. [2019-12-07 13:42:11,296 INFO L246 CegarLoopResult]: For program point L428(line 428) no Hoare annotation was computed. [2019-12-07 13:42:11,296 INFO L246 CegarLoopResult]: For program point L395(line 395) no Hoare annotation was computed. [2019-12-07 13:42:11,296 INFO L246 CegarLoopResult]: For program point L329(lines 329 390) no Hoare annotation was computed. [2019-12-07 13:42:11,296 INFO L246 CegarLoopResult]: For program point L197(lines 197 390) no Hoare annotation was computed. [2019-12-07 13:42:11,296 INFO L246 CegarLoopResult]: For program point L65(lines 65 390) no Hoare annotation was computed. [2019-12-07 13:42:11,296 INFO L246 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2019-12-07 13:42:11,296 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 521) no Hoare annotation was computed. [2019-12-07 13:42:11,297 INFO L246 CegarLoopResult]: For program point L363(lines 363 390) no Hoare annotation was computed. [2019-12-07 13:42:11,297 INFO L246 CegarLoopResult]: For program point L231(lines 231 390) no Hoare annotation was computed. [2019-12-07 13:42:11,297 INFO L246 CegarLoopResult]: For program point L165(lines 165 390) no Hoare annotation was computed. [2019-12-07 13:42:11,297 INFO L246 CegarLoopResult]: For program point L562-1(lines 30 575) no Hoare annotation was computed. [2019-12-07 13:42:11,297 INFO L246 CegarLoopResult]: For program point L529-1(lines 30 575) no Hoare annotation was computed. [2019-12-07 13:42:11,297 INFO L246 CegarLoopResult]: For program point L496-1(lines 30 575) no Hoare annotation was computed. [2019-12-07 13:42:11,297 INFO L246 CegarLoopResult]: For program point L463-1(lines 30 575) no Hoare annotation was computed. [2019-12-07 13:42:11,297 INFO L246 CegarLoopResult]: For program point L430-1(lines 30 575) no Hoare annotation was computed. [2019-12-07 13:42:11,297 INFO L246 CegarLoopResult]: For program point L397-1(lines 30 575) no Hoare annotation was computed. [2019-12-07 13:42:11,297 INFO L246 CegarLoopResult]: For program point L265(lines 265 390) no Hoare annotation was computed. [2019-12-07 13:42:11,297 INFO L246 CegarLoopResult]: For program point L563(line 563) no Hoare annotation was computed. [2019-12-07 13:42:11,297 INFO L246 CegarLoopResult]: For program point L530(line 530) no Hoare annotation was computed. [2019-12-07 13:42:11,297 INFO L246 CegarLoopResult]: For program point L497(line 497) no Hoare annotation was computed. [2019-12-07 13:42:11,298 INFO L246 CegarLoopResult]: For program point L464(line 464) no Hoare annotation was computed. [2019-12-07 13:42:11,298 INFO L246 CegarLoopResult]: For program point L431(line 431) no Hoare annotation was computed. [2019-12-07 13:42:11,298 INFO L246 CegarLoopResult]: For program point L398(line 398) no Hoare annotation was computed. [2019-12-07 13:42:11,298 INFO L246 CegarLoopResult]: For program point L365(lines 365 390) no Hoare annotation was computed. [2019-12-07 13:42:11,298 INFO L246 CegarLoopResult]: For program point L299(lines 299 390) no Hoare annotation was computed. [2019-12-07 13:42:11,298 INFO L246 CegarLoopResult]: For program point L35(lines 35 390) no Hoare annotation was computed. [2019-12-07 13:42:11,316 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.12 01:42:11 BoogieIcfgContainer [2019-12-07 13:42:11,316 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-07 13:42:11,317 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 13:42:11,317 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 13:42:11,317 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 13:42:11,317 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 01:42:05" (3/4) ... [2019-12-07 13:42:11,320 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-12-07 13:42:11,338 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2019-12-07 13:42:11,339 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-12-07 13:42:11,447 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_19381478-4fb0-40b7-a850-b8aaafbd29f1/bin/uautomizer/witness.graphml [2019-12-07 13:42:11,447 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 13:42:11,448 INFO L168 Benchmark]: Toolchain (without parser) took 6904.82 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 228.6 MB). Free memory was 934.0 MB in the beginning and 939.9 MB in the end (delta: -5.8 MB). Peak memory consumption was 222.8 MB. Max. memory is 11.5 GB. [2019-12-07 13:42:11,448 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 955.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 13:42:11,449 INFO L168 Benchmark]: CACSL2BoogieTranslator took 362.04 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 121.1 MB). Free memory was 934.0 MB in the beginning and 1.1 GB in the end (delta: -160.0 MB). Peak memory consumption was 18.7 MB. Max. memory is 11.5 GB. [2019-12-07 13:42:11,449 INFO L168 Benchmark]: Boogie Procedure Inliner took 53.29 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2019-12-07 13:42:11,449 INFO L168 Benchmark]: Boogie Preprocessor took 40.65 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 13:42:11,449 INFO L168 Benchmark]: RCFGBuilder took 662.59 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 973.3 MB in the end (delta: 110.0 MB). Peak memory consumption was 110.0 MB. Max. memory is 11.5 GB. [2019-12-07 13:42:11,450 INFO L168 Benchmark]: TraceAbstraction took 5652.54 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 107.5 MB). Free memory was 973.3 MB in the beginning and 965.9 MB in the end (delta: 7.5 MB). Peak memory consumption was 114.9 MB. Max. memory is 11.5 GB. [2019-12-07 13:42:11,450 INFO L168 Benchmark]: Witness Printer took 130.25 ms. Allocated memory is still 1.3 GB. Free memory was 965.9 MB in the beginning and 939.9 MB in the end (delta: 26.0 MB). Peak memory consumption was 26.0 MB. Max. memory is 11.5 GB. [2019-12-07 13:42:11,452 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 955.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 362.04 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 121.1 MB). Free memory was 934.0 MB in the beginning and 1.1 GB in the end (delta: -160.0 MB). Peak memory consumption was 18.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 53.29 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 40.65 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 662.59 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 973.3 MB in the end (delta: 110.0 MB). Peak memory consumption was 110.0 MB. Max. memory is 11.5 GB. * TraceAbstraction took 5652.54 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 107.5 MB). Free memory was 973.3 MB in the beginning and 965.9 MB in the end (delta: 7.5 MB). Peak memory consumption was 114.9 MB. Max. memory is 11.5 GB. * Witness Printer took 130.25 ms. Allocated memory is still 1.3 GB. Free memory was 965.9 MB in the beginning and 939.9 MB in the end (delta: 26.0 MB). Peak memory consumption was 26.0 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 521]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 30]: Loop Invariant Derived loop invariant: (((((((((1 == a7 && !(a16 == 6)) && a17 == 1) || (1 == a7 && a20 == 1)) || ((!(a16 == 6) && a17 <= 0) && a21 == 1)) || ((a17 <= 0 && a21 == 1) && a20 == 1)) || ((a17 == 1 && a21 == 1) && !(13 == a8))) || ((a17 == 1 && a21 == 1) && a20 == 1)) || (((1 == a7 && a21 == 1) && !(13 == a8)) && a16 == 5)) || ((a21 == 1 && a20 == 1) && a16 == 5)) || ((a17 <= 0 && a21 == 1) && !(13 == a8)) - InvariantResult [Line: 577]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 583]: Loop Invariant Derived loop invariant: (((((((((1 == a7 && !(a16 == 6)) && a17 == 1) || (1 == a7 && a20 == 1)) || ((!(a16 == 6) && a17 <= 0) && a21 == 1)) || ((a17 <= 0 && a21 == 1) && a20 == 1)) || ((a17 == 1 && a21 == 1) && !(13 == a8))) || ((a17 == 1 && a21 == 1) && a20 == 1)) || (((1 == a7 && a21 == 1) && !(13 == a8)) && a16 == 5)) || ((a21 == 1 && a20 == 1) && a16 == 5)) || ((a17 <= 0 && a21 == 1) && !(13 == a8)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 198 locations, 1 error locations. Result: SAFE, OverallTime: 5.3s, OverallIterations: 9, TraceHistogramMax: 5, AutomataDifference: 3.8s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, HoareTripleCheckerStatistics: 649 SDtfs, 1722 SDslu, 75 SDs, 0 SdLazy, 4105 SolverSat, 714 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 247 GetRequests, 230 SyntacticMatches, 1 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1838occurred in iteration=7, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 9 MinimizatonAttempts, 1574 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 39 NumberOfFragments, 193 HoareAnnotationTreeSize, 3 FomulaSimplifications, 2083 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 3 FomulaSimplificationsInter, 216 FormulaSimplificationTreeSizeReductionInter, 0.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 1680 NumberOfCodeBlocks, 1680 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 1670 ConstructedInterpolants, 0 QuantifiedInterpolants, 629216 SizeOfPredicates, 1 NumberOfNonLiveVariables, 361 ConjunctsInSsa, 2 ConjunctsInUnsatCore, 10 InterpolantComputations, 9 PerfectInterpolantSequences, 793/797 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...