./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem01_label54.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 678e0110 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_39e5a728-09b5-4613-9240-487d5eaa7c91/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_39e5a728-09b5-4613-9240-487d5eaa7c91/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_39e5a728-09b5-4613-9240-487d5eaa7c91/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_39e5a728-09b5-4613-9240-487d5eaa7c91/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem01_label54.c -s /tmp/vcloud-vcloud-master/worker/run_dir_39e5a728-09b5-4613-9240-487d5eaa7c91/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_39e5a728-09b5-4613-9240-487d5eaa7c91/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 3f51dca3844c7621fbb989f3ed1f9e07d5f2fb43 ......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-678e011 [2019-11-20 05:44:23,624 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-20 05:44:23,626 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-20 05:44:23,636 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-20 05:44:23,636 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-20 05:44:23,637 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-20 05:44:23,638 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-20 05:44:23,640 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-20 05:44:23,642 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-20 05:44:23,642 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-20 05:44:23,643 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-20 05:44:23,644 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-20 05:44:23,645 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-20 05:44:23,646 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-20 05:44:23,647 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-20 05:44:23,651 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-20 05:44:23,651 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-20 05:44:23,652 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-20 05:44:23,654 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-20 05:44:23,656 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-20 05:44:23,657 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-20 05:44:23,658 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-20 05:44:23,659 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-20 05:44:23,660 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-20 05:44:23,662 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-20 05:44:23,663 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-20 05:44:23,663 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-20 05:44:23,664 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-20 05:44:23,664 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-20 05:44:23,669 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-20 05:44:23,670 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-20 05:44:23,671 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-20 05:44:23,671 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-20 05:44:23,672 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-20 05:44:23,675 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-20 05:44:23,675 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-20 05:44:23,676 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-20 05:44:23,676 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-20 05:44:23,676 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-20 05:44:23,679 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-20 05:44:23,681 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-20 05:44:23,681 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_39e5a728-09b5-4613-9240-487d5eaa7c91/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-20 05:44:23,700 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-20 05:44:23,701 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-20 05:44:23,702 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-20 05:44:23,702 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-20 05:44:23,702 INFO L138 SettingsManager]: * Use SBE=true [2019-11-20 05:44:23,702 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-20 05:44:23,702 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-20 05:44:23,703 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-20 05:44:23,703 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-20 05:44:23,703 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-20 05:44:23,704 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-20 05:44:23,704 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-20 05:44:23,704 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-20 05:44:23,704 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-20 05:44:23,705 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-20 05:44:23,705 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-20 05:44:23,705 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-20 05:44:23,705 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-20 05:44:23,705 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-20 05:44:23,705 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-20 05:44:23,706 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-20 05:44:23,706 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-20 05:44:23,706 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-20 05:44:23,706 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-20 05:44:23,706 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-20 05:44:23,707 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-20 05:44:23,707 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-20 05:44:23,707 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-20 05:44:23,707 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_39e5a728-09b5-4613-9240-487d5eaa7c91/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 -> 3f51dca3844c7621fbb989f3ed1f9e07d5f2fb43 [2019-11-20 05:44:23,846 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-20 05:44:23,855 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-20 05:44:23,869 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-20 05:44:23,870 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-20 05:44:23,871 INFO L275 PluginConnector]: CDTParser initialized [2019-11-20 05:44:23,871 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_39e5a728-09b5-4613-9240-487d5eaa7c91/bin/uautomizer/../../sv-benchmarks/c/eca-rers2012/Problem01_label54.c [2019-11-20 05:44:23,926 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_39e5a728-09b5-4613-9240-487d5eaa7c91/bin/uautomizer/data/d2ad9087f/e8968a549041490480e20666b9c223df/FLAGdcd3ee0bd [2019-11-20 05:44:24,406 INFO L306 CDTParser]: Found 1 translation units. [2019-11-20 05:44:24,406 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_39e5a728-09b5-4613-9240-487d5eaa7c91/sv-benchmarks/c/eca-rers2012/Problem01_label54.c [2019-11-20 05:44:24,422 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_39e5a728-09b5-4613-9240-487d5eaa7c91/bin/uautomizer/data/d2ad9087f/e8968a549041490480e20666b9c223df/FLAGdcd3ee0bd [2019-11-20 05:44:24,433 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_39e5a728-09b5-4613-9240-487d5eaa7c91/bin/uautomizer/data/d2ad9087f/e8968a549041490480e20666b9c223df [2019-11-20 05:44:24,435 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-20 05:44:24,436 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-20 05:44:24,440 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-20 05:44:24,440 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-20 05:44:24,443 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-20 05:44:24,444 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:44:24" (1/1) ... [2019-11-20 05:44:24,446 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2bbcc623 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:44:24, skipping insertion in model container [2019-11-20 05:44:24,446 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 05:44:24" (1/1) ... [2019-11-20 05:44:24,452 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-20 05:44:24,509 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-20 05:44:24,981 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 05:44:24,988 INFO L188 MainTranslator]: Completed pre-run [2019-11-20 05:44:25,119 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 05:44:25,138 INFO L192 MainTranslator]: Completed translation [2019-11-20 05:44:25,138 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:44:25 WrapperNode [2019-11-20 05:44:25,139 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-20 05:44:25,140 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-20 05:44:25,140 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-20 05:44:25,140 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-20 05:44:25,148 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:44:25" (1/1) ... [2019-11-20 05:44:25,165 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:44:25" (1/1) ... [2019-11-20 05:44:25,208 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-20 05:44:25,210 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-20 05:44:25,210 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-20 05:44:25,210 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-20 05:44:25,218 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:44:25" (1/1) ... [2019-11-20 05:44:25,218 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:44:25" (1/1) ... [2019-11-20 05:44:25,222 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:44:25" (1/1) ... [2019-11-20 05:44:25,222 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:44:25" (1/1) ... [2019-11-20 05:44:25,242 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:44:25" (1/1) ... [2019-11-20 05:44:25,251 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:44:25" (1/1) ... [2019-11-20 05:44:25,256 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:44:25" (1/1) ... [2019-11-20 05:44:25,263 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-20 05:44:25,263 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-20 05:44:25,263 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-20 05:44:25,263 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-20 05:44:25,264 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:44:25" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_39e5a728-09b5-4613-9240-487d5eaa7c91/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 [2019-11-20 05:44:25,344 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-20 05:44:25,344 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-20 05:44:26,340 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-20 05:44:26,341 INFO L285 CfgBuilder]: Removed 7 assume(true) statements. [2019-11-20 05:44:26,342 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:44:26 BoogieIcfgContainer [2019-11-20 05:44:26,342 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-20 05:44:26,343 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-20 05:44:26,343 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-20 05:44:26,345 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-20 05:44:26,346 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 20.11 05:44:24" (1/3) ... [2019-11-20 05:44:26,346 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4923b5c4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 05:44:26, skipping insertion in model container [2019-11-20 05:44:26,347 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 05:44:25" (2/3) ... [2019-11-20 05:44:26,347 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4923b5c4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 20.11 05:44:26, skipping insertion in model container [2019-11-20 05:44:26,347 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:44:26" (3/3) ... [2019-11-20 05:44:26,348 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem01_label54.c [2019-11-20 05:44:26,359 INFO L153 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-20 05:44:26,365 INFO L165 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-20 05:44:26,374 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-20 05:44:26,397 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-20 05:44:26,397 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-20 05:44:26,398 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-20 05:44:26,398 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-20 05:44:26,398 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-20 05:44:26,398 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-20 05:44:26,398 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-20 05:44:26,399 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-20 05:44:26,424 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states. [2019-11-20 05:44:26,441 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2019-11-20 05:44:26,441 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 05:44:26,442 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, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 05:44:26,442 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 05:44:26,447 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 05:44:26,448 INFO L82 PathProgramCache]: Analyzing trace with hash 1154180279, now seen corresponding path program 1 times [2019-11-20 05:44:26,456 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 05:44:26,456 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [201952469] [2019-11-20 05:44:26,457 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 05:44:26,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:44:26,881 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 05:44:26,882 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [201952469] [2019-11-20 05:44:26,882 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 05:44:26,883 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-20 05:44:26,884 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [101459783] [2019-11-20 05:44:26,888 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-20 05:44:26,889 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 05:44:26,901 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-20 05:44:26,902 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-20 05:44:26,904 INFO L87 Difference]: Start difference. First operand 198 states. Second operand 4 states. [2019-11-20 05:44:28,162 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 05:44:28,163 INFO L93 Difference]: Finished difference Result 662 states and 1178 transitions. [2019-11-20 05:44:28,164 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-20 05:44:28,165 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 122 [2019-11-20 05:44:28,166 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 05:44:28,188 INFO L225 Difference]: With dead ends: 662 [2019-11-20 05:44:28,188 INFO L226 Difference]: Without dead ends: 397 [2019-11-20 05:44:28,195 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 [2019-11-20 05:44:28,215 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 397 states. [2019-11-20 05:44:28,281 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 397 to 397. [2019-11-20 05:44:28,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 397 states. [2019-11-20 05:44:28,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 397 states to 397 states and 577 transitions. [2019-11-20 05:44:28,285 INFO L78 Accepts]: Start accepts. Automaton has 397 states and 577 transitions. Word has length 122 [2019-11-20 05:44:28,286 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 05:44:28,286 INFO L462 AbstractCegarLoop]: Abstraction has 397 states and 577 transitions. [2019-11-20 05:44:28,286 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-20 05:44:28,287 INFO L276 IsEmpty]: Start isEmpty. Operand 397 states and 577 transitions. [2019-11-20 05:44:28,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2019-11-20 05:44:28,299 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 05:44:28,300 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 05:44:28,301 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 05:44:28,302 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 05:44:28,302 INFO L82 PathProgramCache]: Analyzing trace with hash 554014843, now seen corresponding path program 1 times [2019-11-20 05:44:28,302 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 05:44:28,302 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [266839359] [2019-11-20 05:44:28,303 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 05:44:28,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:44:28,415 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 05:44:28,415 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [266839359] [2019-11-20 05:44:28,415 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 05:44:28,415 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-20 05:44:28,416 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1516129467] [2019-11-20 05:44:28,420 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-20 05:44:28,420 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 05:44:28,420 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-20 05:44:28,420 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-20 05:44:28,421 INFO L87 Difference]: Start difference. First operand 397 states and 577 transitions. Second operand 3 states. [2019-11-20 05:44:28,884 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 05:44:28,884 INFO L93 Difference]: Finished difference Result 1185 states and 1726 transitions. [2019-11-20 05:44:28,884 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-20 05:44:28,884 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 135 [2019-11-20 05:44:28,885 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 05:44:28,889 INFO L225 Difference]: With dead ends: 1185 [2019-11-20 05:44:28,889 INFO L226 Difference]: Without dead ends: 790 [2019-11-20 05:44:28,891 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 [2019-11-20 05:44:28,892 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 790 states. [2019-11-20 05:44:28,911 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 790 to 659. [2019-11-20 05:44:28,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 659 states. [2019-11-20 05:44:28,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 659 states to 659 states and 888 transitions. [2019-11-20 05:44:28,914 INFO L78 Accepts]: Start accepts. Automaton has 659 states and 888 transitions. Word has length 135 [2019-11-20 05:44:28,914 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 05:44:28,914 INFO L462 AbstractCegarLoop]: Abstraction has 659 states and 888 transitions. [2019-11-20 05:44:28,914 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-20 05:44:28,915 INFO L276 IsEmpty]: Start isEmpty. Operand 659 states and 888 transitions. [2019-11-20 05:44:28,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2019-11-20 05:44:28,917 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 05:44:28,917 INFO L410 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 05:44:28,917 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 05:44:28,917 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 05:44:28,918 INFO L82 PathProgramCache]: Analyzing trace with hash -687678099, now seen corresponding path program 1 times [2019-11-20 05:44:28,918 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 05:44:28,918 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1839192762] [2019-11-20 05:44:28,918 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 05:44:28,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:44:28,988 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2019-11-20 05:44:28,988 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1839192762] [2019-11-20 05:44:28,988 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 05:44:28,989 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-20 05:44:28,989 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1301295974] [2019-11-20 05:44:28,989 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-20 05:44:28,990 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 05:44:28,990 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-20 05:44:28,990 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-20 05:44:28,990 INFO L87 Difference]: Start difference. First operand 659 states and 888 transitions. Second operand 4 states. [2019-11-20 05:44:29,747 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 05:44:29,747 INFO L93 Difference]: Finished difference Result 2233 states and 3034 transitions. [2019-11-20 05:44:29,748 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-20 05:44:29,748 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 144 [2019-11-20 05:44:29,748 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 05:44:29,756 INFO L225 Difference]: With dead ends: 2233 [2019-11-20 05:44:29,756 INFO L226 Difference]: Without dead ends: 1576 [2019-11-20 05:44:29,758 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-20 05:44:29,760 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1576 states. [2019-11-20 05:44:29,790 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1576 to 1445. [2019-11-20 05:44:29,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1445 states. [2019-11-20 05:44:29,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1445 states to 1445 states and 1879 transitions. [2019-11-20 05:44:29,796 INFO L78 Accepts]: Start accepts. Automaton has 1445 states and 1879 transitions. Word has length 144 [2019-11-20 05:44:29,796 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 05:44:29,796 INFO L462 AbstractCegarLoop]: Abstraction has 1445 states and 1879 transitions. [2019-11-20 05:44:29,797 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-20 05:44:29,797 INFO L276 IsEmpty]: Start isEmpty. Operand 1445 states and 1879 transitions. [2019-11-20 05:44:29,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2019-11-20 05:44:29,801 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 05:44:29,801 INFO L410 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 05:44:29,801 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 05:44:29,802 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 05:44:29,802 INFO L82 PathProgramCache]: Analyzing trace with hash 1882728476, now seen corresponding path program 1 times [2019-11-20 05:44:29,802 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 05:44:29,802 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [256974023] [2019-11-20 05:44:29,803 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 05:44:29,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:44:29,924 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2019-11-20 05:44:29,925 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [256974023] [2019-11-20 05:44:29,925 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 05:44:29,925 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-20 05:44:29,926 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1240828182] [2019-11-20 05:44:29,926 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-20 05:44:29,926 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 05:44:29,927 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-20 05:44:29,927 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-11-20 05:44:29,927 INFO L87 Difference]: Start difference. First operand 1445 states and 1879 transitions. Second operand 4 states. [2019-11-20 05:44:30,617 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 05:44:30,617 INFO L93 Difference]: Finished difference Result 3027 states and 3913 transitions. [2019-11-20 05:44:30,618 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-20 05:44:30,618 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 150 [2019-11-20 05:44:30,618 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 05:44:30,626 INFO L225 Difference]: With dead ends: 3027 [2019-11-20 05:44:30,627 INFO L226 Difference]: Without dead ends: 1584 [2019-11-20 05:44:30,629 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 [2019-11-20 05:44:30,631 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1584 states. [2019-11-20 05:44:30,668 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1584 to 1576. [2019-11-20 05:44:30,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1576 states. [2019-11-20 05:44:30,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1576 states to 1576 states and 2016 transitions. [2019-11-20 05:44:30,673 INFO L78 Accepts]: Start accepts. Automaton has 1576 states and 2016 transitions. Word has length 150 [2019-11-20 05:44:30,673 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 05:44:30,673 INFO L462 AbstractCegarLoop]: Abstraction has 1576 states and 2016 transitions. [2019-11-20 05:44:30,673 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-20 05:44:30,674 INFO L276 IsEmpty]: Start isEmpty. Operand 1576 states and 2016 transitions. [2019-11-20 05:44:30,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2019-11-20 05:44:30,677 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 05:44:30,678 INFO L410 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2019-11-20 05:44:30,678 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 05:44:30,678 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 05:44:30,678 INFO L82 PathProgramCache]: Analyzing trace with hash -564788140, now seen corresponding path program 1 times [2019-11-20 05:44:30,679 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 05:44:30,679 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2075882820] [2019-11-20 05:44:30,679 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 05:44:30,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:44:30,782 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2019-11-20 05:44:30,782 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2075882820] [2019-11-20 05:44:30,782 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 05:44:30,783 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-20 05:44:30,783 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1270916991] [2019-11-20 05:44:30,783 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-20 05:44:30,783 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 05:44:30,784 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-20 05:44:30,784 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2019-11-20 05:44:30,784 INFO L87 Difference]: Start difference. First operand 1576 states and 2016 transitions. Second operand 5 states. [2019-11-20 05:44:31,723 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 05:44:31,723 INFO L93 Difference]: Finished difference Result 3281 states and 4233 transitions. [2019-11-20 05:44:31,724 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-20 05:44:31,724 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 154 [2019-11-20 05:44:31,724 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 05:44:31,733 INFO L225 Difference]: With dead ends: 3281 [2019-11-20 05:44:31,734 INFO L226 Difference]: Without dead ends: 1838 [2019-11-20 05:44:31,736 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 [2019-11-20 05:44:31,738 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1838 states. [2019-11-20 05:44:31,767 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1838 to 1838. [2019-11-20 05:44:31,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1838 states. [2019-11-20 05:44:31,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1838 states to 1838 states and 2308 transitions. [2019-11-20 05:44:31,771 INFO L78 Accepts]: Start accepts. Automaton has 1838 states and 2308 transitions. Word has length 154 [2019-11-20 05:44:31,772 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 05:44:31,772 INFO L462 AbstractCegarLoop]: Abstraction has 1838 states and 2308 transitions. [2019-11-20 05:44:31,772 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-20 05:44:31,772 INFO L276 IsEmpty]: Start isEmpty. Operand 1838 states and 2308 transitions. [2019-11-20 05:44:31,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2019-11-20 05:44:31,776 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 05:44:31,777 INFO L410 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 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] [2019-11-20 05:44:31,777 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 05:44:31,777 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 05:44:31,777 INFO L82 PathProgramCache]: Analyzing trace with hash -1045239697, now seen corresponding path program 1 times [2019-11-20 05:44:31,777 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 05:44:31,778 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1558549390] [2019-11-20 05:44:31,778 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 05:44:31,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:44:31,828 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 46 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2019-11-20 05:44:31,828 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1558549390] [2019-11-20 05:44:31,828 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 05:44:31,829 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-20 05:44:31,829 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1476572633] [2019-11-20 05:44:31,829 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-20 05:44:31,830 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 05:44:31,830 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-20 05:44:31,830 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-20 05:44:31,830 INFO L87 Difference]: Start difference. First operand 1838 states and 2308 transitions. Second operand 3 states. [2019-11-20 05:44:32,307 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 05:44:32,307 INFO L93 Difference]: Finished difference Result 4329 states and 5505 transitions. [2019-11-20 05:44:32,313 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-20 05:44:32,313 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 157 [2019-11-20 05:44:32,313 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 05:44:32,325 INFO L225 Difference]: With dead ends: 4329 [2019-11-20 05:44:32,325 INFO L226 Difference]: Without dead ends: 2362 [2019-11-20 05:44:32,328 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 [2019-11-20 05:44:32,331 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2362 states. [2019-11-20 05:44:32,378 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2362 to 1969. [2019-11-20 05:44:32,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1969 states. [2019-11-20 05:44:32,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1969 states to 1969 states and 2242 transitions. [2019-11-20 05:44:32,383 INFO L78 Accepts]: Start accepts. Automaton has 1969 states and 2242 transitions. Word has length 157 [2019-11-20 05:44:32,384 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 05:44:32,384 INFO L462 AbstractCegarLoop]: Abstraction has 1969 states and 2242 transitions. [2019-11-20 05:44:32,384 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-20 05:44:32,384 INFO L276 IsEmpty]: Start isEmpty. Operand 1969 states and 2242 transitions. [2019-11-20 05:44:32,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2019-11-20 05:44:32,389 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 05:44:32,390 INFO L410 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-20 05:44:32,390 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 05:44:32,390 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 05:44:32,394 INFO L82 PathProgramCache]: Analyzing trace with hash -484002317, now seen corresponding path program 1 times [2019-11-20 05:44:32,394 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 05:44:32,394 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [196840694] [2019-11-20 05:44:32,395 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 05:44:32,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:44:32,565 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 61 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 05:44:32,565 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [196840694] [2019-11-20 05:44:32,565 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-20 05:44:32,566 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-20 05:44:32,566 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [229502086] [2019-11-20 05:44:32,567 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-11-20 05:44:32,567 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 05:44:32,573 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-11-20 05:44:32,574 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2019-11-20 05:44:32,574 INFO L87 Difference]: Start difference. First operand 1969 states and 2242 transitions. Second operand 5 states. [2019-11-20 05:44:33,490 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 05:44:33,490 INFO L93 Difference]: Finished difference Result 5246 states and 6053 transitions. [2019-11-20 05:44:33,490 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-11-20 05:44:33,490 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 172 [2019-11-20 05:44:33,491 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 05:44:33,506 INFO L225 Difference]: With dead ends: 5246 [2019-11-20 05:44:33,507 INFO L226 Difference]: Without dead ends: 3410 [2019-11-20 05:44:33,509 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 [2019-11-20 05:44:33,513 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3410 states. [2019-11-20 05:44:33,559 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3410 to 2624. [2019-11-20 05:44:33,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2624 states. [2019-11-20 05:44:33,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2624 states to 2624 states and 2936 transitions. [2019-11-20 05:44:33,565 INFO L78 Accepts]: Start accepts. Automaton has 2624 states and 2936 transitions. Word has length 172 [2019-11-20 05:44:33,565 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 05:44:33,565 INFO L462 AbstractCegarLoop]: Abstraction has 2624 states and 2936 transitions. [2019-11-20 05:44:33,565 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-11-20 05:44:33,566 INFO L276 IsEmpty]: Start isEmpty. Operand 2624 states and 2936 transitions. [2019-11-20 05:44:33,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 239 [2019-11-20 05:44:33,572 INFO L402 BasicCegarLoop]: Found error trace [2019-11-20 05:44:33,572 INFO L410 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2019-11-20 05:44:33,573 INFO L410 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-20 05:44:33,573 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 05:44:33,573 INFO L82 PathProgramCache]: Analyzing trace with hash 1193664101, now seen corresponding path program 1 times [2019-11-20 05:44:33,573 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-11-20 05:44:33,574 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2073238509] [2019-11-20 05:44:33,574 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-20 05:44:33,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:44:33,812 INFO L134 CoverageAnalysis]: Checked inductivity of 240 backedges. 173 proven. 27 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2019-11-20 05:44:33,812 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2073238509] [2019-11-20 05:44:33,812 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [83113736] [2019-11-20 05:44:33,812 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_39e5a728-09b5-4613-9240-487d5eaa7c91/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 [2019-11-20 05:44:33,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 05:44:33,949 INFO L255 TraceCheckSpWp]: Trace formula consists of 418 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-20 05:44:33,974 INFO L278 TraceCheckSpWp]: Computing forward predicates... [2019-11-20 05:44:34,070 INFO L134 CoverageAnalysis]: Checked inductivity of 240 backedges. 115 proven. 0 refuted. 0 times theorem prover too weak. 125 trivial. 0 not checked. [2019-11-20 05:44:34,070 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-11-20 05:44:34,070 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 7 [2019-11-20 05:44:34,071 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1456484388] [2019-11-20 05:44:34,071 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-20 05:44:34,071 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-20 05:44:34,072 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-20 05:44:34,072 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2019-11-20 05:44:34,073 INFO L87 Difference]: Start difference. First operand 2624 states and 2936 transitions. Second operand 3 states. [2019-11-20 05:44:34,526 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-20 05:44:34,526 INFO L93 Difference]: Finished difference Result 5375 states and 6023 transitions. [2019-11-20 05:44:34,527 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-20 05:44:34,527 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 238 [2019-11-20 05:44:34,527 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-20 05:44:34,527 INFO L225 Difference]: With dead ends: 5375 [2019-11-20 05:44:34,528 INFO L226 Difference]: Without dead ends: 0 [2019-11-20 05:44:34,532 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 244 GetRequests, 238 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2019-11-20 05:44:34,532 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-20 05:44:34,532 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-20 05:44:34,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-20 05:44:34,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-20 05:44:34,532 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 238 [2019-11-20 05:44:34,532 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-20 05:44:34,533 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-20 05:44:34,533 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-20 05:44:34,533 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-20 05:44:34,533 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-20 05:44:34,734 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-20 05:44:34,737 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-20 05:44:34,987 WARN L191 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 28 [2019-11-20 05:44:35,133 WARN L191 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 28 [2019-11-20 05:44:35,135 INFO L444 ceAbstractionStarter]: For program point L333(lines 333 390) no Hoare annotation was computed. [2019-11-20 05:44:35,135 INFO L444 ceAbstractionStarter]: For program point L102(lines 102 390) no Hoare annotation was computed. [2019-11-20 05:44:35,136 INFO L444 ceAbstractionStarter]: For program point L565-1(lines 30 575) no Hoare annotation was computed. [2019-11-20 05:44:35,136 INFO L444 ceAbstractionStarter]: For program point L532-1(lines 30 575) no Hoare annotation was computed. [2019-11-20 05:44:35,136 INFO L444 ceAbstractionStarter]: For program point L499-1(lines 30 575) no Hoare annotation was computed. [2019-11-20 05:44:35,136 INFO L444 ceAbstractionStarter]: For program point L466-1(lines 30 575) no Hoare annotation was computed. [2019-11-20 05:44:35,136 INFO L444 ceAbstractionStarter]: For program point L433-1(lines 30 575) no Hoare annotation was computed. [2019-11-20 05:44:35,136 INFO L444 ceAbstractionStarter]: For program point L400-1(lines 30 575) no Hoare annotation was computed. [2019-11-20 05:44:35,136 INFO L444 ceAbstractionStarter]: For program point L268(lines 268 390) no Hoare annotation was computed. [2019-11-20 05:44:35,136 INFO L444 ceAbstractionStarter]: For program point L136(lines 136 390) no Hoare annotation was computed. [2019-11-20 05:44:35,136 INFO L444 ceAbstractionStarter]: For program point L566(line 566) no Hoare annotation was computed. [2019-11-20 05:44:35,136 INFO L444 ceAbstractionStarter]: For program point L533(line 533) no Hoare annotation was computed. [2019-11-20 05:44:35,136 INFO L444 ceAbstractionStarter]: For program point L500(line 500) no Hoare annotation was computed. [2019-11-20 05:44:35,136 INFO L444 ceAbstractionStarter]: For program point L467(line 467) no Hoare annotation was computed. [2019-11-20 05:44:35,136 INFO L444 ceAbstractionStarter]: For program point L434(line 434) no Hoare annotation was computed. [2019-11-20 05:44:35,136 INFO L444 ceAbstractionStarter]: For program point L401(line 401) no Hoare annotation was computed. [2019-11-20 05:44:35,137 INFO L444 ceAbstractionStarter]: For program point L203(lines 203 390) no Hoare annotation was computed. [2019-11-20 05:44:35,137 INFO L444 ceAbstractionStarter]: For program point L72(lines 72 390) no Hoare annotation was computed. [2019-11-20 05:44:35,137 INFO L444 ceAbstractionStarter]: For program point L568-1(lines 30 575) no Hoare annotation was computed. [2019-11-20 05:44:35,137 INFO L444 ceAbstractionStarter]: For program point L535-1(lines 30 575) no Hoare annotation was computed. [2019-11-20 05:44:35,137 INFO L444 ceAbstractionStarter]: For program point L502-1(lines 30 575) no Hoare annotation was computed. [2019-11-20 05:44:35,137 INFO L444 ceAbstractionStarter]: For program point L469-1(lines 30 575) no Hoare annotation was computed. [2019-11-20 05:44:35,137 INFO L444 ceAbstractionStarter]: For program point L436-1(lines 30 575) no Hoare annotation was computed. [2019-11-20 05:44:35,137 INFO L444 ceAbstractionStarter]: For program point L403-1(lines 30 575) no Hoare annotation was computed. [2019-11-20 05:44:35,137 INFO L444 ceAbstractionStarter]: For program point L337(lines 337 390) no Hoare annotation was computed. [2019-11-20 05:44:35,137 INFO L444 ceAbstractionStarter]: For program point L238(lines 238 390) no Hoare annotation was computed. [2019-11-20 05:44:35,137 INFO L444 ceAbstractionStarter]: For program point L569(line 569) no Hoare annotation was computed. [2019-11-20 05:44:35,137 INFO L444 ceAbstractionStarter]: For program point L536(line 536) no Hoare annotation was computed. [2019-11-20 05:44:35,137 INFO L444 ceAbstractionStarter]: For program point L503(line 503) no Hoare annotation was computed. [2019-11-20 05:44:35,137 INFO L444 ceAbstractionStarter]: For program point L470(line 470) no Hoare annotation was computed. [2019-11-20 05:44:35,137 INFO L444 ceAbstractionStarter]: For program point L437(line 437) no Hoare annotation was computed. [2019-11-20 05:44:35,138 INFO L444 ceAbstractionStarter]: For program point L404(line 404) no Hoare annotation was computed. [2019-11-20 05:44:35,138 INFO L444 ceAbstractionStarter]: For program point L173(lines 173 390) no Hoare annotation was computed. [2019-11-20 05:44:35,138 INFO L444 ceAbstractionStarter]: For program point L140(lines 140 390) no Hoare annotation was computed. [2019-11-20 05:44:35,138 INFO L444 ceAbstractionStarter]: For program point L372(lines 372 390) no Hoare annotation was computed. [2019-11-20 05:44:35,138 INFO L444 ceAbstractionStarter]: For program point L306(lines 306 390) no Hoare annotation was computed. [2019-11-20 05:44:35,138 INFO L444 ceAbstractionStarter]: For program point L273(lines 273 390) no Hoare annotation was computed. [2019-11-20 05:44:35,138 INFO L444 ceAbstractionStarter]: For program point L108(lines 108 390) no Hoare annotation was computed. [2019-11-20 05:44:35,138 INFO L444 ceAbstractionStarter]: For program point L571-1(lines 571 573) no Hoare annotation was computed. [2019-11-20 05:44:35,138 INFO L444 ceAbstractionStarter]: For program point L538-1(lines 30 575) no Hoare annotation was computed. [2019-11-20 05:44:35,138 INFO L444 ceAbstractionStarter]: For program point L505-1(lines 30 575) no Hoare annotation was computed. [2019-11-20 05:44:35,138 INFO L444 ceAbstractionStarter]: For program point L472-1(lines 30 575) no Hoare annotation was computed. [2019-11-20 05:44:35,138 INFO L444 ceAbstractionStarter]: For program point L439-1(lines 30 575) no Hoare annotation was computed. [2019-11-20 05:44:35,138 INFO L444 ceAbstractionStarter]: For program point L406-1(lines 30 575) no Hoare annotation was computed. [2019-11-20 05:44:35,138 INFO L444 ceAbstractionStarter]: For program point L208(lines 208 390) no Hoare annotation was computed. [2019-11-20 05:44:35,138 INFO L444 ceAbstractionStarter]: For program point L43(lines 43 390) no Hoare annotation was computed. [2019-11-20 05:44:35,138 INFO L444 ceAbstractionStarter]: For program point L572(line 572) no Hoare annotation was computed. [2019-11-20 05:44:35,138 INFO L444 ceAbstractionStarter]: For program point L539(line 539) no Hoare annotation was computed. [2019-11-20 05:44:35,139 INFO L444 ceAbstractionStarter]: For program point L506(line 506) no Hoare annotation was computed. [2019-11-20 05:44:35,139 INFO L444 ceAbstractionStarter]: For program point L473(line 473) no Hoare annotation was computed. [2019-11-20 05:44:35,139 INFO L444 ceAbstractionStarter]: For program point L440(line 440) no Hoare annotation was computed. [2019-11-20 05:44:35,139 INFO L444 ceAbstractionStarter]: For program point L407(line 407) no Hoare annotation was computed. [2019-11-20 05:44:35,139 INFO L444 ceAbstractionStarter]: For program point L144(lines 144 390) no Hoare annotation was computed. [2019-11-20 05:44:35,139 INFO L440 ceAbstractionStarter]: At program point L574(lines 30 575) the Hoare annotation is: (let ((.cse4 (= ~a17~0 1)) (.cse2 (not (= 14 ~a8~0))) (.cse5 (= ~a21~0 1)) (.cse1 (= 1 ~a7~0)) (.cse3 (not (= ~a16~0 6))) (.cse0 (<= ~a17~0 0))) (or (and .cse0 (= 15 ~a8~0)) (and .cse1 .cse2) (and .cse3 .cse4 .cse5 (= ~a20~0 1)) (and .cse4 .cse2 .cse5) (and .cse1 .cse3) (and .cse3 .cse0))) [2019-11-20 05:44:35,139 INFO L444 ceAbstractionStarter]: For program point L541-1(lines 30 575) no Hoare annotation was computed. [2019-11-20 05:44:35,139 INFO L444 ceAbstractionStarter]: For program point L508-1(lines 30 575) no Hoare annotation was computed. [2019-11-20 05:44:35,139 INFO L444 ceAbstractionStarter]: For program point L475-1(lines 30 575) no Hoare annotation was computed. [2019-11-20 05:44:35,140 INFO L444 ceAbstractionStarter]: For program point L442-1(lines 30 575) no Hoare annotation was computed. [2019-11-20 05:44:35,140 INFO L444 ceAbstractionStarter]: For program point L409-1(lines 30 575) no Hoare annotation was computed. [2019-11-20 05:44:35,140 INFO L444 ceAbstractionStarter]: For program point L178(lines 178 390) no Hoare annotation was computed. [2019-11-20 05:44:35,140 INFO L444 ceAbstractionStarter]: For program point L542(line 542) no Hoare annotation was computed. [2019-11-20 05:44:35,140 INFO L444 ceAbstractionStarter]: For program point L509(line 509) no Hoare annotation was computed. [2019-11-20 05:44:35,140 INFO L444 ceAbstractionStarter]: For program point L476(line 476) no Hoare annotation was computed. [2019-11-20 05:44:35,140 INFO L444 ceAbstractionStarter]: For program point L443(line 443) no Hoare annotation was computed. [2019-11-20 05:44:35,140 INFO L444 ceAbstractionStarter]: For program point L410(line 410) no Hoare annotation was computed. [2019-11-20 05:44:35,140 INFO L444 ceAbstractionStarter]: For program point L377(lines 377 390) no Hoare annotation was computed. [2019-11-20 05:44:35,140 INFO L444 ceAbstractionStarter]: For program point L278(lines 278 390) no Hoare annotation was computed. [2019-11-20 05:44:35,140 INFO L444 ceAbstractionStarter]: For program point L245(lines 245 390) no Hoare annotation was computed. [2019-11-20 05:44:35,140 INFO L444 ceAbstractionStarter]: For program point L80(lines 80 390) no Hoare annotation was computed. [2019-11-20 05:44:35,141 INFO L444 ceAbstractionStarter]: For program point L345(lines 345 390) no Hoare annotation was computed. [2019-11-20 05:44:35,141 INFO L444 ceAbstractionStarter]: For program point L312(lines 312 390) no Hoare annotation was computed. [2019-11-20 05:44:35,141 INFO L444 ceAbstractionStarter]: For program point L114(lines 114 390) no Hoare annotation was computed. [2019-11-20 05:44:35,141 INFO L447 ceAbstractionStarter]: At program point L577(lines 577 594) the Hoare annotation is: true [2019-11-20 05:44:35,141 INFO L444 ceAbstractionStarter]: For program point L544-1(lines 30 575) no Hoare annotation was computed. [2019-11-20 05:44:35,141 INFO L444 ceAbstractionStarter]: For program point L511-1(lines 30 575) no Hoare annotation was computed. [2019-11-20 05:44:35,141 INFO L444 ceAbstractionStarter]: For program point L478-1(lines 30 575) no Hoare annotation was computed. [2019-11-20 05:44:35,141 INFO L444 ceAbstractionStarter]: For program point L445-1(lines 30 575) no Hoare annotation was computed. [2019-11-20 05:44:35,141 INFO L444 ceAbstractionStarter]: For program point L412-1(lines 30 575) no Hoare annotation was computed. [2019-11-20 05:44:35,141 INFO L444 ceAbstractionStarter]: For program point L214(lines 214 390) no Hoare annotation was computed. [2019-11-20 05:44:35,141 INFO L444 ceAbstractionStarter]: For program point L148(lines 148 390) no Hoare annotation was computed. [2019-11-20 05:44:35,141 INFO L444 ceAbstractionStarter]: For program point L49(lines 49 390) no Hoare annotation was computed. [2019-11-20 05:44:35,142 INFO L444 ceAbstractionStarter]: For program point L545(line 545) no Hoare annotation was computed. [2019-11-20 05:44:35,142 INFO L444 ceAbstractionStarter]: For program point L512(line 512) no Hoare annotation was computed. [2019-11-20 05:44:35,142 INFO L444 ceAbstractionStarter]: For program point L479(line 479) no Hoare annotation was computed. [2019-11-20 05:44:35,142 INFO L444 ceAbstractionStarter]: For program point L446(line 446) no Hoare annotation was computed. [2019-11-20 05:44:35,142 INFO L444 ceAbstractionStarter]: For program point L413(line 413) no Hoare annotation was computed. [2019-11-20 05:44:35,142 INFO L444 ceAbstractionStarter]: For program point L84(lines 84 390) no Hoare annotation was computed. [2019-11-20 05:44:35,142 INFO L444 ceAbstractionStarter]: For program point L547-1(lines 30 575) no Hoare annotation was computed. [2019-11-20 05:44:35,142 INFO L444 ceAbstractionStarter]: For program point L514-1(lines 30 575) no Hoare annotation was computed. [2019-11-20 05:44:35,142 INFO L444 ceAbstractionStarter]: For program point L481-1(lines 30 575) no Hoare annotation was computed. [2019-11-20 05:44:35,142 INFO L444 ceAbstractionStarter]: For program point L448-1(lines 30 575) no Hoare annotation was computed. [2019-11-20 05:44:35,142 INFO L444 ceAbstractionStarter]: For program point L382(lines 382 390) no Hoare annotation was computed. [2019-11-20 05:44:35,142 INFO L444 ceAbstractionStarter]: For program point L415-1(lines 30 575) no Hoare annotation was computed. [2019-11-20 05:44:35,142 INFO L444 ceAbstractionStarter]: For program point L316(lines 316 390) no Hoare annotation was computed. [2019-11-20 05:44:35,143 INFO L444 ceAbstractionStarter]: For program point L250(lines 250 390) no Hoare annotation was computed. [2019-11-20 05:44:35,143 INFO L444 ceAbstractionStarter]: For program point L548(line 548) no Hoare annotation was computed. [2019-11-20 05:44:35,143 INFO L444 ceAbstractionStarter]: For program point L515(line 515) no Hoare annotation was computed. [2019-11-20 05:44:35,143 INFO L444 ceAbstractionStarter]: For program point L482(line 482) no Hoare annotation was computed. [2019-11-20 05:44:35,143 INFO L444 ceAbstractionStarter]: For program point L449(line 449) no Hoare annotation was computed. [2019-11-20 05:44:35,143 INFO L444 ceAbstractionStarter]: For program point L416(line 416) no Hoare annotation was computed. [2019-11-20 05:44:35,143 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-11-20 05:44:35,143 INFO L444 ceAbstractionStarter]: For program point L218(lines 218 390) no Hoare annotation was computed. [2019-11-20 05:44:35,143 INFO L444 ceAbstractionStarter]: For program point L152(lines 152 390) no Hoare annotation was computed. [2019-11-20 05:44:35,143 INFO L444 ceAbstractionStarter]: For program point L119(lines 119 390) no Hoare annotation was computed. [2019-11-20 05:44:35,143 INFO L444 ceAbstractionStarter]: For program point L318(lines 318 390) no Hoare annotation was computed. [2019-11-20 05:44:35,143 INFO L444 ceAbstractionStarter]: For program point L186(lines 186 390) no Hoare annotation was computed. [2019-11-20 05:44:35,143 INFO L444 ceAbstractionStarter]: For program point L54(lines 54 390) no Hoare annotation was computed. [2019-11-20 05:44:35,144 INFO L444 ceAbstractionStarter]: For program point L550-1(lines 30 575) no Hoare annotation was computed. [2019-11-20 05:44:35,144 INFO L440 ceAbstractionStarter]: At program point L583-2(lines 583 593) the Hoare annotation is: (let ((.cse4 (= ~a17~0 1)) (.cse2 (not (= 14 ~a8~0))) (.cse5 (= ~a21~0 1)) (.cse1 (= 1 ~a7~0)) (.cse3 (not (= ~a16~0 6))) (.cse0 (<= ~a17~0 0))) (or (and .cse0 (= 15 ~a8~0)) (and .cse1 .cse2) (and .cse3 .cse4 .cse5 (= ~a20~0 1)) (and .cse4 .cse2 .cse5) (and .cse1 .cse3) (and .cse3 .cse0))) [2019-11-20 05:44:35,144 INFO L444 ceAbstractionStarter]: For program point L517-1(lines 30 575) no Hoare annotation was computed. [2019-11-20 05:44:35,144 INFO L444 ceAbstractionStarter]: For program point L484-1(lines 30 575) no Hoare annotation was computed. [2019-11-20 05:44:35,144 INFO L444 ceAbstractionStarter]: For program point L451-1(lines 30 575) no Hoare annotation was computed. [2019-11-20 05:44:35,144 INFO L444 ceAbstractionStarter]: For program point L418-1(lines 30 575) no Hoare annotation was computed. [2019-11-20 05:44:35,144 INFO L444 ceAbstractionStarter]: For program point L286(lines 286 390) no Hoare annotation was computed. [2019-11-20 05:44:35,144 INFO L444 ceAbstractionStarter]: For program point L551(line 551) no Hoare annotation was computed. [2019-11-20 05:44:35,144 INFO L444 ceAbstractionStarter]: For program point L518(line 518) no Hoare annotation was computed. [2019-11-20 05:44:35,144 INFO L444 ceAbstractionStarter]: For program point L485(line 485) no Hoare annotation was computed. [2019-11-20 05:44:35,144 INFO L444 ceAbstractionStarter]: For program point L452(line 452) no Hoare annotation was computed. [2019-11-20 05:44:35,145 INFO L444 ceAbstractionStarter]: For program point L419(line 419) no Hoare annotation was computed. [2019-11-20 05:44:35,145 INFO L444 ceAbstractionStarter]: For program point L353(lines 353 390) no Hoare annotation was computed. [2019-11-20 05:44:35,145 INFO L444 ceAbstractionStarter]: For program point L189(lines 189 390) no Hoare annotation was computed. [2019-11-20 05:44:35,145 INFO L444 ceAbstractionStarter]: For program point L553-1(lines 30 575) no Hoare annotation was computed. [2019-11-20 05:44:35,145 INFO L444 ceAbstractionStarter]: For program point L520-1(lines 30 575) no Hoare annotation was computed. [2019-11-20 05:44:35,145 INFO L444 ceAbstractionStarter]: For program point L487-1(lines 30 575) no Hoare annotation was computed. [2019-11-20 05:44:35,145 INFO L444 ceAbstractionStarter]: For program point L454-1(lines 30 575) no Hoare annotation was computed. [2019-11-20 05:44:35,145 INFO L444 ceAbstractionStarter]: For program point L421-1(lines 30 575) no Hoare annotation was computed. [2019-11-20 05:44:35,145 INFO L444 ceAbstractionStarter]: For program point L355(lines 355 390) no Hoare annotation was computed. [2019-11-20 05:44:35,145 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-20 05:44:35,145 INFO L444 ceAbstractionStarter]: For program point L256(lines 256 390) no Hoare annotation was computed. [2019-11-20 05:44:35,145 INFO L444 ceAbstractionStarter]: For program point L223(lines 223 390) no Hoare annotation was computed. [2019-11-20 05:44:35,146 INFO L444 ceAbstractionStarter]: For program point L124(lines 124 390) no Hoare annotation was computed. [2019-11-20 05:44:35,146 INFO L444 ceAbstractionStarter]: For program point L554(line 554) no Hoare annotation was computed. [2019-11-20 05:44:35,146 INFO L444 ceAbstractionStarter]: For program point L521(line 521) no Hoare annotation was computed. [2019-11-20 05:44:35,146 INFO L444 ceAbstractionStarter]: For program point L488(line 488) no Hoare annotation was computed. [2019-11-20 05:44:35,146 INFO L444 ceAbstractionStarter]: For program point L455(line 455) no Hoare annotation was computed. [2019-11-20 05:44:35,146 INFO L444 ceAbstractionStarter]: For program point L422(line 422) no Hoare annotation was computed. [2019-11-20 05:44:35,146 INFO L444 ceAbstractionStarter]: For program point L92(lines 92 390) no Hoare annotation was computed. [2019-11-20 05:44:35,146 INFO L444 ceAbstractionStarter]: For program point L588(line 588) no Hoare annotation was computed. [2019-11-20 05:44:35,146 INFO L444 ceAbstractionStarter]: For program point L324(lines 324 390) no Hoare annotation was computed. [2019-11-20 05:44:35,146 INFO L444 ceAbstractionStarter]: For program point L556-1(lines 30 575) no Hoare annotation was computed. [2019-11-20 05:44:35,146 INFO L444 ceAbstractionStarter]: For program point L523-1(lines 30 575) no Hoare annotation was computed. [2019-11-20 05:44:35,146 INFO L444 ceAbstractionStarter]: For program point L490-1(lines 30 575) no Hoare annotation was computed. [2019-11-20 05:44:35,147 INFO L444 ceAbstractionStarter]: For program point L457-1(lines 30 575) no Hoare annotation was computed. [2019-11-20 05:44:35,147 INFO L444 ceAbstractionStarter]: For program point L391(lines 391 393) no Hoare annotation was computed. [2019-11-20 05:44:35,147 INFO L444 ceAbstractionStarter]: For program point L424-1(lines 30 575) no Hoare annotation was computed. [2019-11-20 05:44:35,147 INFO L444 ceAbstractionStarter]: For program point L391-2(lines 30 575) no Hoare annotation was computed. [2019-11-20 05:44:35,147 INFO L444 ceAbstractionStarter]: For program point L292(lines 292 390) no Hoare annotation was computed. [2019-11-20 05:44:35,147 INFO L444 ceAbstractionStarter]: For program point L160(lines 160 390) no Hoare annotation was computed. [2019-11-20 05:44:35,147 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-11-20 05:44:35,147 INFO L444 ceAbstractionStarter]: For program point L557(line 557) no Hoare annotation was computed. [2019-11-20 05:44:35,147 INFO L444 ceAbstractionStarter]: For program point L524(line 524) no Hoare annotation was computed. [2019-11-20 05:44:35,147 INFO L444 ceAbstractionStarter]: For program point L491(line 491) no Hoare annotation was computed. [2019-11-20 05:44:35,147 INFO L444 ceAbstractionStarter]: For program point L458(line 458) no Hoare annotation was computed. [2019-11-20 05:44:35,147 INFO L444 ceAbstractionStarter]: For program point L425(line 425) no Hoare annotation was computed. [2019-11-20 05:44:35,147 INFO L444 ceAbstractionStarter]: For program point L392(line 392) no Hoare annotation was computed. [2019-11-20 05:44:35,147 INFO L444 ceAbstractionStarter]: For program point L194(lines 194 390) no Hoare annotation was computed. [2019-11-20 05:44:35,147 INFO L444 ceAbstractionStarter]: For program point L62(lines 62 390) no Hoare annotation was computed. [2019-11-20 05:44:35,148 INFO L444 ceAbstractionStarter]: For program point L261(lines 261 390) no Hoare annotation was computed. [2019-11-20 05:44:35,148 INFO L444 ceAbstractionStarter]: For program point L129(lines 129 390) no Hoare annotation was computed. [2019-11-20 05:44:35,148 INFO L444 ceAbstractionStarter]: For program point L559-1(lines 30 575) no Hoare annotation was computed. [2019-11-20 05:44:35,148 INFO L444 ceAbstractionStarter]: For program point L526-1(lines 30 575) no Hoare annotation was computed. [2019-11-20 05:44:35,148 INFO L444 ceAbstractionStarter]: For program point L493-1(lines 30 575) no Hoare annotation was computed. [2019-11-20 05:44:35,148 INFO L444 ceAbstractionStarter]: For program point L460-1(lines 30 575) no Hoare annotation was computed. [2019-11-20 05:44:35,148 INFO L444 ceAbstractionStarter]: For program point L427-1(lines 30 575) no Hoare annotation was computed. [2019-11-20 05:44:35,148 INFO L444 ceAbstractionStarter]: For program point L361(lines 361 390) no Hoare annotation was computed. [2019-11-20 05:44:35,148 INFO L444 ceAbstractionStarter]: For program point L394-1(lines 30 575) no Hoare annotation was computed. [2019-11-20 05:44:35,148 INFO L444 ceAbstractionStarter]: For program point L97(lines 97 390) no Hoare annotation was computed. [2019-11-20 05:44:35,148 INFO L444 ceAbstractionStarter]: For program point L31(lines 31 390) no Hoare annotation was computed. [2019-11-20 05:44:35,148 INFO L444 ceAbstractionStarter]: For program point L560(line 560) no Hoare annotation was computed. [2019-11-20 05:44:35,148 INFO L444 ceAbstractionStarter]: For program point L527(line 527) no Hoare annotation was computed. [2019-11-20 05:44:35,148 INFO L444 ceAbstractionStarter]: For program point L494(line 494) no Hoare annotation was computed. [2019-11-20 05:44:35,148 INFO L444 ceAbstractionStarter]: For program point L461(line 461) no Hoare annotation was computed. [2019-11-20 05:44:35,148 INFO L444 ceAbstractionStarter]: For program point L428(line 428) no Hoare annotation was computed. [2019-11-20 05:44:35,148 INFO L444 ceAbstractionStarter]: For program point L395(line 395) no Hoare annotation was computed. [2019-11-20 05:44:35,149 INFO L444 ceAbstractionStarter]: For program point L329(lines 329 390) no Hoare annotation was computed. [2019-11-20 05:44:35,149 INFO L444 ceAbstractionStarter]: For program point L197(lines 197 390) no Hoare annotation was computed. [2019-11-20 05:44:35,149 INFO L444 ceAbstractionStarter]: For program point L65(lines 65 390) no Hoare annotation was computed. [2019-11-20 05:44:35,149 INFO L444 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2019-11-20 05:44:35,149 INFO L444 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 542) no Hoare annotation was computed. [2019-11-20 05:44:35,149 INFO L444 ceAbstractionStarter]: For program point L363(lines 363 390) no Hoare annotation was computed. [2019-11-20 05:44:35,149 INFO L444 ceAbstractionStarter]: For program point L231(lines 231 390) no Hoare annotation was computed. [2019-11-20 05:44:35,149 INFO L444 ceAbstractionStarter]: For program point L165(lines 165 390) no Hoare annotation was computed. [2019-11-20 05:44:35,149 INFO L444 ceAbstractionStarter]: For program point L562-1(lines 30 575) no Hoare annotation was computed. [2019-11-20 05:44:35,149 INFO L444 ceAbstractionStarter]: For program point L529-1(lines 30 575) no Hoare annotation was computed. [2019-11-20 05:44:35,149 INFO L444 ceAbstractionStarter]: For program point L496-1(lines 30 575) no Hoare annotation was computed. [2019-11-20 05:44:35,149 INFO L444 ceAbstractionStarter]: For program point L463-1(lines 30 575) no Hoare annotation was computed. [2019-11-20 05:44:35,149 INFO L444 ceAbstractionStarter]: For program point L430-1(lines 30 575) no Hoare annotation was computed. [2019-11-20 05:44:35,149 INFO L444 ceAbstractionStarter]: For program point L397-1(lines 30 575) no Hoare annotation was computed. [2019-11-20 05:44:35,149 INFO L444 ceAbstractionStarter]: For program point L265(lines 265 390) no Hoare annotation was computed. [2019-11-20 05:44:35,150 INFO L444 ceAbstractionStarter]: For program point L563(line 563) no Hoare annotation was computed. [2019-11-20 05:44:35,150 INFO L444 ceAbstractionStarter]: For program point L530(line 530) no Hoare annotation was computed. [2019-11-20 05:44:35,150 INFO L444 ceAbstractionStarter]: For program point L497(line 497) no Hoare annotation was computed. [2019-11-20 05:44:35,150 INFO L444 ceAbstractionStarter]: For program point L464(line 464) no Hoare annotation was computed. [2019-11-20 05:44:35,150 INFO L444 ceAbstractionStarter]: For program point L431(line 431) no Hoare annotation was computed. [2019-11-20 05:44:35,150 INFO L444 ceAbstractionStarter]: For program point L398(line 398) no Hoare annotation was computed. [2019-11-20 05:44:35,150 INFO L444 ceAbstractionStarter]: For program point L365(lines 365 390) no Hoare annotation was computed. [2019-11-20 05:44:35,150 INFO L444 ceAbstractionStarter]: For program point L299(lines 299 390) no Hoare annotation was computed. [2019-11-20 05:44:35,150 INFO L444 ceAbstractionStarter]: For program point L35(lines 35 390) no Hoare annotation was computed. [2019-11-20 05:44:35,172 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 20.11 05:44:35 BoogieIcfgContainer [2019-11-20 05:44:35,172 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-20 05:44:35,172 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-20 05:44:35,172 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-20 05:44:35,172 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-20 05:44:35,173 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 05:44:26" (3/4) ... [2019-11-20 05:44:35,176 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-20 05:44:35,209 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2019-11-20 05:44:35,210 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-11-20 05:44:35,359 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_39e5a728-09b5-4613-9240-487d5eaa7c91/bin/uautomizer/witness.graphml [2019-11-20 05:44:35,359 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-20 05:44:35,360 INFO L168 Benchmark]: Toolchain (without parser) took 10923.92 ms. Allocated memory was 1.0 GB in the beginning and 1.5 GB in the end (delta: 437.3 MB). Free memory was 943.4 MB in the beginning and 1.3 GB in the end (delta: -339.1 MB). Peak memory consumption was 98.2 MB. Max. memory is 11.5 GB. [2019-11-20 05:44:35,360 INFO L168 Benchmark]: CDTParser took 0.42 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 05:44:35,361 INFO L168 Benchmark]: CACSL2BoogieTranslator took 699.46 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 192.9 MB). Free memory was 943.4 MB in the beginning and 1.2 GB in the end (delta: -217.8 MB). Peak memory consumption was 18.8 MB. Max. memory is 11.5 GB. [2019-11-20 05:44:35,361 INFO L168 Benchmark]: Boogie Procedure Inliner took 68.65 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 05:44:35,361 INFO L168 Benchmark]: Boogie Preprocessor took 52.70 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. [2019-11-20 05:44:35,362 INFO L168 Benchmark]: RCFGBuilder took 1079.02 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.0 GB in the end (delta: 118.1 MB). Peak memory consumption was 118.1 MB. Max. memory is 11.5 GB. [2019-11-20 05:44:35,362 INFO L168 Benchmark]: TraceAbstraction took 8828.93 ms. Allocated memory was 1.2 GB in the beginning and 1.5 GB in the end (delta: 244.3 MB). Free memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: -261.4 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 05:44:35,362 INFO L168 Benchmark]: Witness Printer took 186.90 ms. Allocated memory is still 1.5 GB. Free memory was 1.3 GB in the beginning and 1.3 GB in the end (delta: 15.1 MB). Peak memory consumption was 15.1 MB. Max. memory is 11.5 GB. [2019-11-20 05:44:35,364 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.42 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 699.46 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 192.9 MB). Free memory was 943.4 MB in the beginning and 1.2 GB in the end (delta: -217.8 MB). Peak memory consumption was 18.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 68.65 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 52.70 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1079.02 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.0 GB in the end (delta: 118.1 MB). Peak memory consumption was 118.1 MB. Max. memory is 11.5 GB. * TraceAbstraction took 8828.93 ms. Allocated memory was 1.2 GB in the beginning and 1.5 GB in the end (delta: 244.3 MB). Free memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: -261.4 MB). There was no memory consumed. Max. memory is 11.5 GB. * Witness Printer took 186.90 ms. Allocated memory is still 1.5 GB. Free memory was 1.3 GB in the beginning and 1.3 GB in the end (delta: 15.1 MB). Peak memory consumption was 15.1 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 542]: 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: (((((a17 <= 0 && 15 == a8) || (1 == a7 && !(14 == a8))) || (((!(a16 == 6) && a17 == 1) && a21 == 1) && a20 == 1)) || ((a17 == 1 && !(14 == a8)) && a21 == 1)) || (1 == a7 && !(a16 == 6))) || (!(a16 == 6) && a17 <= 0) - InvariantResult [Line: 577]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 583]: Loop Invariant Derived loop invariant: (((((a17 <= 0 && 15 == a8) || (1 == a7 && !(14 == a8))) || (((!(a16 == 6) && a17 == 1) && a21 == 1) && a20 == 1)) || ((a17 == 1 && !(14 == a8)) && a21 == 1)) || (1 == a7 && !(a16 == 6))) || (!(a16 == 6) && a17 <= 0) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 198 locations, 1 error locations. Result: SAFE, OverallTime: 8.7s, OverallIterations: 8, TraceHistogramMax: 5, AutomataDifference: 6.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.3s, HoareTripleCheckerStatistics: 626 SDtfs, 1958 SDslu, 87 SDs, 0 SdLazy, 4213 SolverSat, 849 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 4.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 268 GetRequests, 246 SyntacticMatches, 2 SemanticMatches, 20 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2624occurred 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: 0.3s AutomataMinimizationTime, 8 MinimizatonAttempts, 1449 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 52 NumberOfFragments, 115 HoareAnnotationTreeSize, 3 FomulaSimplifications, 1185 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 3 FomulaSimplificationsInter, 1132 FormulaSimplificationTreeSizeReductionInter, 0.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 1510 NumberOfCodeBlocks, 1510 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 1501 ConstructedInterpolants, 0 QuantifiedInterpolants, 541017 SizeOfPredicates, 1 NumberOfNonLiveVariables, 418 ConjunctsInSsa, 2 ConjunctsInUnsatCore, 9 InterpolantComputations, 8 PerfectInterpolantSequences, 703/730 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...