./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem10_label31.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version cad46833 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_8376f85e-9363-40c7-953f-962f30e4b801/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_8376f85e-9363-40c7-953f-962f30e4b801/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_8376f85e-9363-40c7-953f-962f30e4b801/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_8376f85e-9363-40c7-953f-962f30e4b801/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem10_label31.c -s /tmp/vcloud-vcloud-master/worker/run_dir_8376f85e-9363-40c7-953f-962f30e4b801/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_8376f85e-9363-40c7-953f-962f30e4b801/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 1526c68070720602d1aaf18c59ad5d7427388bd5 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-cad4683 [2019-11-15 23:07:06,416 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-15 23:07:06,417 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-15 23:07:06,427 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-15 23:07:06,428 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-15 23:07:06,429 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-15 23:07:06,430 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-15 23:07:06,432 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-15 23:07:06,434 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-15 23:07:06,435 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-15 23:07:06,435 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-15 23:07:06,437 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-15 23:07:06,437 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-15 23:07:06,438 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-15 23:07:06,439 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-15 23:07:06,440 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-15 23:07:06,440 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-15 23:07:06,441 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-15 23:07:06,443 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-15 23:07:06,445 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-15 23:07:06,446 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-15 23:07:06,447 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-15 23:07:06,448 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-15 23:07:06,449 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-15 23:07:06,451 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-15 23:07:06,452 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-15 23:07:06,452 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-15 23:07:06,453 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-15 23:07:06,453 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-15 23:07:06,454 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-15 23:07:06,454 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-15 23:07:06,455 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-15 23:07:06,456 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-15 23:07:06,456 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-15 23:07:06,457 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-15 23:07:06,458 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-15 23:07:06,458 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-15 23:07:06,459 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-15 23:07:06,459 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-15 23:07:06,460 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-15 23:07:06,460 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-15 23:07:06,461 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_8376f85e-9363-40c7-953f-962f30e4b801/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-15 23:07:06,473 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-15 23:07:06,473 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-15 23:07:06,474 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-15 23:07:06,475 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-15 23:07:06,475 INFO L138 SettingsManager]: * Use SBE=true [2019-11-15 23:07:06,475 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-15 23:07:06,475 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-15 23:07:06,476 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-15 23:07:06,476 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-15 23:07:06,476 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-15 23:07:06,476 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-15 23:07:06,477 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-15 23:07:06,477 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-15 23:07:06,477 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-15 23:07:06,477 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-15 23:07:06,478 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-15 23:07:06,478 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-15 23:07:06,478 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-15 23:07:06,478 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-15 23:07:06,479 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-15 23:07:06,479 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-15 23:07:06,479 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-15 23:07:06,479 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-15 23:07:06,480 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-15 23:07:06,480 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-15 23:07:06,480 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-15 23:07:06,480 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-15 23:07:06,481 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-15 23:07:06,481 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_8376f85e-9363-40c7-953f-962f30e4b801/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 -> 1526c68070720602d1aaf18c59ad5d7427388bd5 [2019-11-15 23:07:06,506 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-15 23:07:06,515 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-15 23:07:06,518 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-15 23:07:06,519 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-15 23:07:06,520 INFO L275 PluginConnector]: CDTParser initialized [2019-11-15 23:07:06,520 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_8376f85e-9363-40c7-953f-962f30e4b801/bin/uautomizer/../../sv-benchmarks/c/eca-rers2012/Problem10_label31.c [2019-11-15 23:07:06,570 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_8376f85e-9363-40c7-953f-962f30e4b801/bin/uautomizer/data/c0668582b/cb84279e9a13427195256548843ebf3a/FLAGb830b8fab [2019-11-15 23:07:07,122 INFO L306 CDTParser]: Found 1 translation units. [2019-11-15 23:07:07,122 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_8376f85e-9363-40c7-953f-962f30e4b801/sv-benchmarks/c/eca-rers2012/Problem10_label31.c [2019-11-15 23:07:07,135 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_8376f85e-9363-40c7-953f-962f30e4b801/bin/uautomizer/data/c0668582b/cb84279e9a13427195256548843ebf3a/FLAGb830b8fab [2019-11-15 23:07:07,589 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_8376f85e-9363-40c7-953f-962f30e4b801/bin/uautomizer/data/c0668582b/cb84279e9a13427195256548843ebf3a [2019-11-15 23:07:07,592 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-15 23:07:07,593 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-15 23:07:07,594 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-15 23:07:07,594 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-15 23:07:07,599 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-15 23:07:07,599 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.11 11:07:07" (1/1) ... [2019-11-15 23:07:07,606 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@8f4274c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:07:07, skipping insertion in model container [2019-11-15 23:07:07,606 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.11 11:07:07" (1/1) ... [2019-11-15 23:07:07,612 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-15 23:07:07,655 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-15 23:07:08,077 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-15 23:07:08,082 INFO L188 MainTranslator]: Completed pre-run [2019-11-15 23:07:08,198 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-15 23:07:08,212 INFO L192 MainTranslator]: Completed translation [2019-11-15 23:07:08,212 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:07:08 WrapperNode [2019-11-15 23:07:08,213 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-15 23:07:08,213 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-15 23:07:08,213 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-15 23:07:08,214 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-15 23:07:08,223 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:07:08" (1/1) ... [2019-11-15 23:07:08,249 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:07:08" (1/1) ... [2019-11-15 23:07:08,313 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-15 23:07:08,319 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-15 23:07:08,319 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-15 23:07:08,319 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-15 23:07:08,328 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:07:08" (1/1) ... [2019-11-15 23:07:08,329 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:07:08" (1/1) ... [2019-11-15 23:07:08,342 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:07:08" (1/1) ... [2019-11-15 23:07:08,346 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:07:08" (1/1) ... [2019-11-15 23:07:08,380 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:07:08" (1/1) ... [2019-11-15 23:07:08,392 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:07:08" (1/1) ... [2019-11-15 23:07:08,401 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:07:08" (1/1) ... [2019-11-15 23:07:08,409 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-15 23:07:08,410 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-15 23:07:08,411 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-15 23:07:08,411 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-15 23:07:08,412 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:07:08" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_8376f85e-9363-40c7-953f-962f30e4b801/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 [2019-11-15 23:07:08,470 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-15 23:07:08,470 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-15 23:07:09,718 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-15 23:07:09,719 INFO L284 CfgBuilder]: Removed 7 assume(true) statements. [2019-11-15 23:07:09,720 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 11:07:09 BoogieIcfgContainer [2019-11-15 23:07:09,720 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-15 23:07:09,721 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-15 23:07:09,721 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-15 23:07:09,724 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-15 23:07:09,724 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.11 11:07:07" (1/3) ... [2019-11-15 23:07:09,725 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6c9dac2b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.11 11:07:09, skipping insertion in model container [2019-11-15 23:07:09,725 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 11:07:08" (2/3) ... [2019-11-15 23:07:09,725 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6c9dac2b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.11 11:07:09, skipping insertion in model container [2019-11-15 23:07:09,726 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 11:07:09" (3/3) ... [2019-11-15 23:07:09,727 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem10_label31.c [2019-11-15 23:07:09,736 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-15 23:07:09,743 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-15 23:07:09,753 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-15 23:07:09,776 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-15 23:07:09,776 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-15 23:07:09,776 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-15 23:07:09,776 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-15 23:07:09,777 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-15 23:07:09,777 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-15 23:07:09,777 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-15 23:07:09,777 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-15 23:07:09,796 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states. [2019-11-15 23:07:09,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 44 [2019-11-15 23:07:09,803 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 23:07:09,804 INFO L380 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] [2019-11-15 23:07:09,806 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-15 23:07:09,811 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 23:07:09,811 INFO L82 PathProgramCache]: Analyzing trace with hash 712930081, now seen corresponding path program 1 times [2019-11-15 23:07:09,819 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 23:07:09,820 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1542976698] [2019-11-15 23:07:09,820 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 23:07:09,820 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 23:07:09,820 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 23:07:09,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 23:07:10,291 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 23:07:10,292 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1542976698] [2019-11-15 23:07:10,292 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 23:07:10,293 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-11-15 23:07:10,293 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [256715911] [2019-11-15 23:07:10,297 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-11-15 23:07:10,297 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 23:07:10,310 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-11-15 23:07:10,310 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2019-11-15 23:07:10,312 INFO L87 Difference]: Start difference. First operand 206 states. Second operand 7 states. [2019-11-15 23:07:12,898 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 23:07:12,898 INFO L93 Difference]: Finished difference Result 982 states and 1810 transitions. [2019-11-15 23:07:12,899 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-11-15 23:07:12,900 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 43 [2019-11-15 23:07:12,900 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 23:07:12,919 INFO L225 Difference]: With dead ends: 982 [2019-11-15 23:07:12,919 INFO L226 Difference]: Without dead ends: 699 [2019-11-15 23:07:12,923 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 8 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=39, Invalid=51, Unknown=0, NotChecked=0, Total=90 [2019-11-15 23:07:12,940 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 699 states. [2019-11-15 23:07:12,987 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 699 to 421. [2019-11-15 23:07:12,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 421 states. [2019-11-15 23:07:12,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 421 states to 421 states and 581 transitions. [2019-11-15 23:07:12,991 INFO L78 Accepts]: Start accepts. Automaton has 421 states and 581 transitions. Word has length 43 [2019-11-15 23:07:12,991 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 23:07:12,991 INFO L462 AbstractCegarLoop]: Abstraction has 421 states and 581 transitions. [2019-11-15 23:07:12,992 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-11-15 23:07:12,992 INFO L276 IsEmpty]: Start isEmpty. Operand 421 states and 581 transitions. [2019-11-15 23:07:13,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2019-11-15 23:07:13,000 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 23:07:13,000 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 23:07:13,001 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-15 23:07:13,001 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 23:07:13,001 INFO L82 PathProgramCache]: Analyzing trace with hash 717652662, now seen corresponding path program 1 times [2019-11-15 23:07:13,001 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 23:07:13,002 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [441978427] [2019-11-15 23:07:13,002 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 23:07:13,002 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 23:07:13,002 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 23:07:13,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 23:07:13,260 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 23:07:13,260 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [441978427] [2019-11-15 23:07:13,261 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 23:07:13,261 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-15 23:07:13,261 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [84738116] [2019-11-15 23:07:13,263 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-15 23:07:13,264 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 23:07:13,264 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-15 23:07:13,264 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-15 23:07:13,264 INFO L87 Difference]: Start difference. First operand 421 states and 581 transitions. Second operand 4 states. [2019-11-15 23:07:14,094 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 23:07:14,095 INFO L93 Difference]: Finished difference Result 1257 states and 1737 transitions. [2019-11-15 23:07:14,095 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-15 23:07:14,096 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 161 [2019-11-15 23:07:14,097 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 23:07:14,101 INFO L225 Difference]: With dead ends: 1257 [2019-11-15 23:07:14,101 INFO L226 Difference]: Without dead ends: 838 [2019-11-15 23:07:14,103 INFO L600 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 [2019-11-15 23:07:14,104 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 838 states. [2019-11-15 23:07:14,135 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 838 to 699. [2019-11-15 23:07:14,135 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 699 states. [2019-11-15 23:07:14,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 699 states to 699 states and 889 transitions. [2019-11-15 23:07:14,138 INFO L78 Accepts]: Start accepts. Automaton has 699 states and 889 transitions. Word has length 161 [2019-11-15 23:07:14,139 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 23:07:14,139 INFO L462 AbstractCegarLoop]: Abstraction has 699 states and 889 transitions. [2019-11-15 23:07:14,139 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-15 23:07:14,139 INFO L276 IsEmpty]: Start isEmpty. Operand 699 states and 889 transitions. [2019-11-15 23:07:14,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2019-11-15 23:07:14,147 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 23:07:14,147 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 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] [2019-11-15 23:07:14,147 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-15 23:07:14,148 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 23:07:14,148 INFO L82 PathProgramCache]: Analyzing trace with hash 21712805, now seen corresponding path program 1 times [2019-11-15 23:07:14,148 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 23:07:14,148 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1895543569] [2019-11-15 23:07:14,148 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 23:07:14,148 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 23:07:14,149 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 23:07:14,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 23:07:14,387 INFO L134 CoverageAnalysis]: Checked inductivity of 146 backedges. 146 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 23:07:14,387 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1895543569] [2019-11-15 23:07:14,388 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 23:07:14,388 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-15 23:07:14,388 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [2040040858] [2019-11-15 23:07:14,389 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-15 23:07:14,389 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 23:07:14,389 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-15 23:07:14,389 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-15 23:07:14,390 INFO L87 Difference]: Start difference. First operand 699 states and 889 transitions. Second operand 4 states. [2019-11-15 23:07:15,241 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 23:07:15,242 INFO L93 Difference]: Finished difference Result 1674 states and 2200 transitions. [2019-11-15 23:07:15,243 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-15 23:07:15,243 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 187 [2019-11-15 23:07:15,244 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 23:07:15,254 INFO L225 Difference]: With dead ends: 1674 [2019-11-15 23:07:15,254 INFO L226 Difference]: Without dead ends: 1116 [2019-11-15 23:07:15,256 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 3 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-15 23:07:15,258 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1116 states. [2019-11-15 23:07:15,276 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1116 to 977. [2019-11-15 23:07:15,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 977 states. [2019-11-15 23:07:15,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 977 states to 977 states and 1197 transitions. [2019-11-15 23:07:15,289 INFO L78 Accepts]: Start accepts. Automaton has 977 states and 1197 transitions. Word has length 187 [2019-11-15 23:07:15,289 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 23:07:15,289 INFO L462 AbstractCegarLoop]: Abstraction has 977 states and 1197 transitions. [2019-11-15 23:07:15,289 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-15 23:07:15,289 INFO L276 IsEmpty]: Start isEmpty. Operand 977 states and 1197 transitions. [2019-11-15 23:07:15,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 280 [2019-11-15 23:07:15,295 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 23:07:15,296 INFO L380 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 23:07:15,296 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-15 23:07:15,300 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 23:07:15,300 INFO L82 PathProgramCache]: Analyzing trace with hash 165795462, now seen corresponding path program 1 times [2019-11-15 23:07:15,301 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 23:07:15,301 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1595312028] [2019-11-15 23:07:15,301 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 23:07:15,301 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 23:07:15,301 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 23:07:15,371 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 23:07:15,585 INFO L134 CoverageAnalysis]: Checked inductivity of 348 backedges. 307 proven. 0 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2019-11-15 23:07:15,585 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1595312028] [2019-11-15 23:07:15,586 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 23:07:15,586 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-15 23:07:15,586 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1122347187] [2019-11-15 23:07:15,587 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-15 23:07:15,587 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 23:07:15,588 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-15 23:07:15,588 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-15 23:07:15,588 INFO L87 Difference]: Start difference. First operand 977 states and 1197 transitions. Second operand 3 states. [2019-11-15 23:07:16,164 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 23:07:16,164 INFO L93 Difference]: Finished difference Result 2230 states and 2765 transitions. [2019-11-15 23:07:16,165 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-15 23:07:16,165 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 279 [2019-11-15 23:07:16,165 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 23:07:16,171 INFO L225 Difference]: With dead ends: 2230 [2019-11-15 23:07:16,172 INFO L226 Difference]: Without dead ends: 977 [2019-11-15 23:07:16,174 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-15 23:07:16,175 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 977 states. [2019-11-15 23:07:16,192 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 977 to 977. [2019-11-15 23:07:16,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 977 states. [2019-11-15 23:07:16,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 977 states to 977 states and 1170 transitions. [2019-11-15 23:07:16,196 INFO L78 Accepts]: Start accepts. Automaton has 977 states and 1170 transitions. Word has length 279 [2019-11-15 23:07:16,196 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 23:07:16,196 INFO L462 AbstractCegarLoop]: Abstraction has 977 states and 1170 transitions. [2019-11-15 23:07:16,197 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-15 23:07:16,197 INFO L276 IsEmpty]: Start isEmpty. Operand 977 states and 1170 transitions. [2019-11-15 23:07:16,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 316 [2019-11-15 23:07:16,202 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 23:07:16,203 INFO L380 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 23:07:16,203 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-15 23:07:16,203 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 23:07:16,203 INFO L82 PathProgramCache]: Analyzing trace with hash 1824070316, now seen corresponding path program 1 times [2019-11-15 23:07:16,204 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 23:07:16,204 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1930429967] [2019-11-15 23:07:16,204 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 23:07:16,204 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 23:07:16,204 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 23:07:16,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 23:07:16,463 INFO L134 CoverageAnalysis]: Checked inductivity of 359 backedges. 122 proven. 0 refuted. 0 times theorem prover too weak. 237 trivial. 0 not checked. [2019-11-15 23:07:16,464 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1930429967] [2019-11-15 23:07:16,464 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 23:07:16,464 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-11-15 23:07:16,464 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1923748553] [2019-11-15 23:07:16,465 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-15 23:07:16,466 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 23:07:16,466 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-15 23:07:16,466 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-15 23:07:16,467 INFO L87 Difference]: Start difference. First operand 977 states and 1170 transitions. Second operand 4 states. [2019-11-15 23:07:17,262 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 23:07:17,262 INFO L93 Difference]: Finished difference Result 2228 states and 2739 transitions. [2019-11-15 23:07:17,264 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-15 23:07:17,265 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 315 [2019-11-15 23:07:17,265 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 23:07:17,266 INFO L225 Difference]: With dead ends: 2228 [2019-11-15 23:07:17,266 INFO L226 Difference]: Without dead ends: 0 [2019-11-15 23:07:17,268 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 3 SyntacticMatches, 4 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-15 23:07:17,268 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-15 23:07:17,268 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-15 23:07:17,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-15 23:07:17,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-15 23:07:17,269 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 315 [2019-11-15 23:07:17,269 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 23:07:17,269 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-15 23:07:17,269 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-15 23:07:17,269 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-15 23:07:17,269 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-15 23:07:17,274 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-15 23:07:17,481 INFO L443 ceAbstractionStarter]: For program point L465(lines 465 572) no Hoare annotation was computed. [2019-11-15 23:07:17,481 INFO L443 ceAbstractionStarter]: For program point L201-1(lines 20 574) no Hoare annotation was computed. [2019-11-15 23:07:17,481 INFO L443 ceAbstractionStarter]: For program point L168-1(lines 20 574) no Hoare annotation was computed. [2019-11-15 23:07:17,481 INFO L443 ceAbstractionStarter]: For program point L135-1(lines 20 574) no Hoare annotation was computed. [2019-11-15 23:07:17,481 INFO L443 ceAbstractionStarter]: For program point L102-1(lines 20 574) no Hoare annotation was computed. [2019-11-15 23:07:17,481 INFO L443 ceAbstractionStarter]: For program point L69-1(lines 20 574) no Hoare annotation was computed. [2019-11-15 23:07:17,481 INFO L443 ceAbstractionStarter]: For program point L36-1(lines 20 574) no Hoare annotation was computed. [2019-11-15 23:07:17,482 INFO L443 ceAbstractionStarter]: For program point L499(lines 499 572) no Hoare annotation was computed. [2019-11-15 23:07:17,482 INFO L443 ceAbstractionStarter]: For program point L301(lines 301 572) no Hoare annotation was computed. [2019-11-15 23:07:17,482 INFO L443 ceAbstractionStarter]: For program point L202(line 202) no Hoare annotation was computed. [2019-11-15 23:07:17,482 INFO L443 ceAbstractionStarter]: For program point L169(line 169) no Hoare annotation was computed. [2019-11-15 23:07:17,482 INFO L443 ceAbstractionStarter]: For program point L136(line 136) no Hoare annotation was computed. [2019-11-15 23:07:17,482 INFO L443 ceAbstractionStarter]: For program point L103(line 103) no Hoare annotation was computed. [2019-11-15 23:07:17,482 INFO L443 ceAbstractionStarter]: For program point L70(line 70) no Hoare annotation was computed. [2019-11-15 23:07:17,482 INFO L443 ceAbstractionStarter]: For program point L37(line 37) no Hoare annotation was computed. [2019-11-15 23:07:17,482 INFO L443 ceAbstractionStarter]: For program point L335(lines 335 572) no Hoare annotation was computed. [2019-11-15 23:07:17,482 INFO L443 ceAbstractionStarter]: For program point L236(lines 236 572) no Hoare annotation was computed. [2019-11-15 23:07:17,483 INFO L443 ceAbstractionStarter]: For program point L534(lines 534 572) no Hoare annotation was computed. [2019-11-15 23:07:17,483 INFO L443 ceAbstractionStarter]: For program point L171-1(lines 20 574) no Hoare annotation was computed. [2019-11-15 23:07:17,483 INFO L443 ceAbstractionStarter]: For program point L138-1(lines 20 574) no Hoare annotation was computed. [2019-11-15 23:07:17,483 INFO L443 ceAbstractionStarter]: For program point L105-1(lines 20 574) no Hoare annotation was computed. [2019-11-15 23:07:17,483 INFO L443 ceAbstractionStarter]: For program point L72-1(lines 20 574) no Hoare annotation was computed. [2019-11-15 23:07:17,483 INFO L443 ceAbstractionStarter]: For program point L39-1(lines 20 574) no Hoare annotation was computed. [2019-11-15 23:07:17,483 INFO L443 ceAbstractionStarter]: For program point L436(lines 436 572) no Hoare annotation was computed. [2019-11-15 23:07:17,483 INFO L443 ceAbstractionStarter]: For program point L403(lines 403 572) no Hoare annotation was computed. [2019-11-15 23:07:17,483 INFO L443 ceAbstractionStarter]: For program point L370(lines 370 572) no Hoare annotation was computed. [2019-11-15 23:07:17,483 INFO L443 ceAbstractionStarter]: For program point L271(lines 271 572) no Hoare annotation was computed. [2019-11-15 23:07:17,484 INFO L443 ceAbstractionStarter]: For program point L172(line 172) no Hoare annotation was computed. [2019-11-15 23:07:17,484 INFO L443 ceAbstractionStarter]: For program point L139(line 139) no Hoare annotation was computed. [2019-11-15 23:07:17,484 INFO L443 ceAbstractionStarter]: For program point L106(line 106) no Hoare annotation was computed. [2019-11-15 23:07:17,484 INFO L443 ceAbstractionStarter]: For program point L73(line 73) no Hoare annotation was computed. [2019-11-15 23:07:17,484 INFO L443 ceAbstractionStarter]: For program point L40(line 40) no Hoare annotation was computed. [2019-11-15 23:07:17,484 INFO L443 ceAbstractionStarter]: For program point L569(lines 569 572) no Hoare annotation was computed. [2019-11-15 23:07:17,484 INFO L443 ceAbstractionStarter]: For program point L239(lines 239 572) no Hoare annotation was computed. [2019-11-15 23:07:17,484 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 133) no Hoare annotation was computed. [2019-11-15 23:07:17,484 INFO L443 ceAbstractionStarter]: For program point L504(lines 504 572) no Hoare annotation was computed. [2019-11-15 23:07:17,485 INFO L443 ceAbstractionStarter]: For program point L471(lines 471 572) no Hoare annotation was computed. [2019-11-15 23:07:17,485 INFO L443 ceAbstractionStarter]: For program point L306(lines 306 572) no Hoare annotation was computed. [2019-11-15 23:07:17,485 INFO L443 ceAbstractionStarter]: For program point L174-1(lines 20 574) no Hoare annotation was computed. [2019-11-15 23:07:17,485 INFO L443 ceAbstractionStarter]: For program point L141-1(lines 20 574) no Hoare annotation was computed. [2019-11-15 23:07:17,485 INFO L443 ceAbstractionStarter]: For program point L108-1(lines 20 574) no Hoare annotation was computed. [2019-11-15 23:07:17,485 INFO L443 ceAbstractionStarter]: For program point L75-1(lines 20 574) no Hoare annotation was computed. [2019-11-15 23:07:17,485 INFO L443 ceAbstractionStarter]: For program point L42-1(lines 20 574) no Hoare annotation was computed. [2019-11-15 23:07:17,485 INFO L443 ceAbstractionStarter]: For program point L340(lines 340 572) no Hoare annotation was computed. [2019-11-15 23:07:17,485 INFO L443 ceAbstractionStarter]: For program point L175(line 175) no Hoare annotation was computed. [2019-11-15 23:07:17,485 INFO L443 ceAbstractionStarter]: For program point L142(line 142) no Hoare annotation was computed. [2019-11-15 23:07:17,486 INFO L443 ceAbstractionStarter]: For program point L109(line 109) no Hoare annotation was computed. [2019-11-15 23:07:17,486 INFO L443 ceAbstractionStarter]: For program point L76(line 76) no Hoare annotation was computed. [2019-11-15 23:07:17,486 INFO L443 ceAbstractionStarter]: For program point L43(line 43) no Hoare annotation was computed. [2019-11-15 23:07:17,486 INFO L439 ceAbstractionStarter]: At program point L573(lines 20 574) the Hoare annotation is: (let ((.cse0 (not (= ~a19~0 7)))) (or (= ~a10~0 2) (and .cse0 (not (= 10 ~a19~0))) (= ~a10~0 1) (and (not (= ~a10~0 3)) .cse0 (not (= ~a10~0 4))))) [2019-11-15 23:07:17,486 INFO L443 ceAbstractionStarter]: For program point L540(lines 540 572) no Hoare annotation was computed. [2019-11-15 23:07:17,486 INFO L443 ceAbstractionStarter]: For program point L408(lines 408 572) no Hoare annotation was computed. [2019-11-15 23:07:17,487 INFO L443 ceAbstractionStarter]: For program point L375(lines 375 572) no Hoare annotation was computed. [2019-11-15 23:07:17,487 INFO L443 ceAbstractionStarter]: For program point L210(lines 210 572) no Hoare annotation was computed. [2019-11-15 23:07:17,487 INFO L443 ceAbstractionStarter]: For program point L177-1(lines 20 574) no Hoare annotation was computed. [2019-11-15 23:07:17,487 INFO L443 ceAbstractionStarter]: For program point L144-1(lines 20 574) no Hoare annotation was computed. [2019-11-15 23:07:17,487 INFO L443 ceAbstractionStarter]: For program point L111-1(lines 20 574) no Hoare annotation was computed. [2019-11-15 23:07:17,487 INFO L443 ceAbstractionStarter]: For program point L78-1(lines 20 574) no Hoare annotation was computed. [2019-11-15 23:07:17,487 INFO L443 ceAbstractionStarter]: For program point L45-1(lines 20 574) no Hoare annotation was computed. [2019-11-15 23:07:17,487 INFO L443 ceAbstractionStarter]: For program point L442(lines 442 572) no Hoare annotation was computed. [2019-11-15 23:07:17,487 INFO L443 ceAbstractionStarter]: For program point L277(lines 277 572) no Hoare annotation was computed. [2019-11-15 23:07:17,487 INFO L443 ceAbstractionStarter]: For program point L244(lines 244 572) no Hoare annotation was computed. [2019-11-15 23:07:17,488 INFO L443 ceAbstractionStarter]: For program point L178(line 178) no Hoare annotation was computed. [2019-11-15 23:07:17,488 INFO L443 ceAbstractionStarter]: For program point L145(line 145) no Hoare annotation was computed. [2019-11-15 23:07:17,488 INFO L443 ceAbstractionStarter]: For program point L112(line 112) no Hoare annotation was computed. [2019-11-15 23:07:17,488 INFO L443 ceAbstractionStarter]: For program point L79(line 79) no Hoare annotation was computed. [2019-11-15 23:07:17,488 INFO L443 ceAbstractionStarter]: For program point L46(line 46) no Hoare annotation was computed. [2019-11-15 23:07:17,488 INFO L443 ceAbstractionStarter]: For program point L509(lines 509 572) no Hoare annotation was computed. [2019-11-15 23:07:17,488 INFO L443 ceAbstractionStarter]: For program point L476(lines 476 572) no Hoare annotation was computed. [2019-11-15 23:07:17,488 INFO L446 ceAbstractionStarter]: At program point L576(lines 576 592) the Hoare annotation is: true [2019-11-15 23:07:17,488 INFO L443 ceAbstractionStarter]: For program point L378(lines 378 572) no Hoare annotation was computed. [2019-11-15 23:07:17,488 INFO L443 ceAbstractionStarter]: For program point L345(lines 345 572) no Hoare annotation was computed. [2019-11-15 23:07:17,489 INFO L443 ceAbstractionStarter]: For program point L312(lines 312 572) no Hoare annotation was computed. [2019-11-15 23:07:17,489 INFO L443 ceAbstractionStarter]: For program point L180-1(lines 20 574) no Hoare annotation was computed. [2019-11-15 23:07:17,489 INFO L443 ceAbstractionStarter]: For program point L147-1(lines 20 574) no Hoare annotation was computed. [2019-11-15 23:07:17,489 INFO L443 ceAbstractionStarter]: For program point L114-1(lines 20 574) no Hoare annotation was computed. [2019-11-15 23:07:17,489 INFO L443 ceAbstractionStarter]: For program point L81-1(lines 20 574) no Hoare annotation was computed. [2019-11-15 23:07:17,489 INFO L443 ceAbstractionStarter]: For program point L48-1(lines 20 574) no Hoare annotation was computed. [2019-11-15 23:07:17,489 INFO L443 ceAbstractionStarter]: For program point L181(line 181) no Hoare annotation was computed. [2019-11-15 23:07:17,489 INFO L443 ceAbstractionStarter]: For program point L148(line 148) no Hoare annotation was computed. [2019-11-15 23:07:17,489 INFO L443 ceAbstractionStarter]: For program point L115(line 115) no Hoare annotation was computed. [2019-11-15 23:07:17,489 INFO L443 ceAbstractionStarter]: For program point L82(line 82) no Hoare annotation was computed. [2019-11-15 23:07:17,490 INFO L443 ceAbstractionStarter]: For program point L49(line 49) no Hoare annotation was computed. [2019-11-15 23:07:17,490 INFO L443 ceAbstractionStarter]: For program point L545(lines 545 572) no Hoare annotation was computed. [2019-11-15 23:07:17,490 INFO L443 ceAbstractionStarter]: For program point L215(lines 215 572) no Hoare annotation was computed. [2019-11-15 23:07:17,490 INFO L443 ceAbstractionStarter]: For program point L414(lines 414 572) no Hoare annotation was computed. [2019-11-15 23:07:17,490 INFO L443 ceAbstractionStarter]: For program point L249(lines 249 572) no Hoare annotation was computed. [2019-11-15 23:07:17,490 INFO L443 ceAbstractionStarter]: For program point L183-1(lines 20 574) no Hoare annotation was computed. [2019-11-15 23:07:17,490 INFO L443 ceAbstractionStarter]: For program point L150-1(lines 20 574) no Hoare annotation was computed. [2019-11-15 23:07:17,490 INFO L443 ceAbstractionStarter]: For program point L117-1(lines 20 574) no Hoare annotation was computed. [2019-11-15 23:07:17,490 INFO L443 ceAbstractionStarter]: For program point L84-1(lines 20 574) no Hoare annotation was computed. [2019-11-15 23:07:17,491 INFO L443 ceAbstractionStarter]: For program point L51-1(lines 20 574) no Hoare annotation was computed. [2019-11-15 23:07:17,491 INFO L443 ceAbstractionStarter]: For program point L514(lines 514 572) no Hoare annotation was computed. [2019-11-15 23:07:17,491 INFO L443 ceAbstractionStarter]: For program point L481(lines 481 572) no Hoare annotation was computed. [2019-11-15 23:07:17,491 INFO L443 ceAbstractionStarter]: For program point L448(lines 448 572) no Hoare annotation was computed. [2019-11-15 23:07:17,491 INFO L443 ceAbstractionStarter]: For program point L283(lines 283 572) no Hoare annotation was computed. [2019-11-15 23:07:17,491 INFO L443 ceAbstractionStarter]: For program point L184(line 184) no Hoare annotation was computed. [2019-11-15 23:07:17,491 INFO L443 ceAbstractionStarter]: For program point L151(line 151) no Hoare annotation was computed. [2019-11-15 23:07:17,491 INFO L443 ceAbstractionStarter]: For program point L118(line 118) no Hoare annotation was computed. [2019-11-15 23:07:17,491 INFO L443 ceAbstractionStarter]: For program point L85(line 85) no Hoare annotation was computed. [2019-11-15 23:07:17,491 INFO L443 ceAbstractionStarter]: For program point L52(line 52) no Hoare annotation was computed. [2019-11-15 23:07:17,492 INFO L443 ceAbstractionStarter]: For program point L548(lines 548 572) no Hoare annotation was computed. [2019-11-15 23:07:17,492 INFO L443 ceAbstractionStarter]: For program point L383(lines 383 572) no Hoare annotation was computed. [2019-11-15 23:07:17,492 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-11-15 23:07:17,492 INFO L443 ceAbstractionStarter]: For program point L317(lines 317 572) no Hoare annotation was computed. [2019-11-15 23:07:17,492 INFO L439 ceAbstractionStarter]: At program point L582-2(lines 582 591) the Hoare annotation is: (let ((.cse0 (not (= ~a19~0 7)))) (or (= ~a10~0 2) (and .cse0 (not (= 10 ~a19~0))) (= ~a10~0 1) (and (not (= ~a10~0 3)) .cse0 (not (= ~a10~0 4))))) [2019-11-15 23:07:17,492 INFO L443 ceAbstractionStarter]: For program point L351(lines 351 572) no Hoare annotation was computed. [2019-11-15 23:07:17,492 INFO L443 ceAbstractionStarter]: For program point L186-1(lines 20 574) no Hoare annotation was computed. [2019-11-15 23:07:17,492 INFO L443 ceAbstractionStarter]: For program point L153-1(lines 20 574) no Hoare annotation was computed. [2019-11-15 23:07:17,492 INFO L443 ceAbstractionStarter]: For program point L120-1(lines 20 574) no Hoare annotation was computed. [2019-11-15 23:07:17,493 INFO L443 ceAbstractionStarter]: For program point L87-1(lines 20 574) no Hoare annotation was computed. [2019-11-15 23:07:17,493 INFO L443 ceAbstractionStarter]: For program point L21(lines 21 23) no Hoare annotation was computed. [2019-11-15 23:07:17,493 INFO L443 ceAbstractionStarter]: For program point L54-1(lines 20 574) no Hoare annotation was computed. [2019-11-15 23:07:17,493 INFO L443 ceAbstractionStarter]: For program point L21-2(lines 20 574) no Hoare annotation was computed. [2019-11-15 23:07:17,493 INFO L443 ceAbstractionStarter]: For program point L517(lines 517 572) no Hoare annotation was computed. [2019-11-15 23:07:17,493 INFO L443 ceAbstractionStarter]: For program point L286(lines 286 572) no Hoare annotation was computed. [2019-11-15 23:07:17,493 INFO L443 ceAbstractionStarter]: For program point L220(lines 220 572) no Hoare annotation was computed. [2019-11-15 23:07:17,493 INFO L443 ceAbstractionStarter]: For program point L187(line 187) no Hoare annotation was computed. [2019-11-15 23:07:17,493 INFO L443 ceAbstractionStarter]: For program point L154(line 154) no Hoare annotation was computed. [2019-11-15 23:07:17,493 INFO L443 ceAbstractionStarter]: For program point L121(line 121) no Hoare annotation was computed. [2019-11-15 23:07:17,494 INFO L443 ceAbstractionStarter]: For program point L88(line 88) no Hoare annotation was computed. [2019-11-15 23:07:17,494 INFO L443 ceAbstractionStarter]: For program point L55(line 55) no Hoare annotation was computed. [2019-11-15 23:07:17,494 INFO L443 ceAbstractionStarter]: For program point L22(line 22) no Hoare annotation was computed. [2019-11-15 23:07:17,494 INFO L443 ceAbstractionStarter]: For program point L419(lines 419 572) no Hoare annotation was computed. [2019-11-15 23:07:17,494 INFO L443 ceAbstractionStarter]: For program point L320(lines 320 572) no Hoare annotation was computed. [2019-11-15 23:07:17,494 INFO L443 ceAbstractionStarter]: For program point L254(lines 254 572) no Hoare annotation was computed. [2019-11-15 23:07:17,494 INFO L443 ceAbstractionStarter]: For program point L354(lines 354 572) no Hoare annotation was computed. [2019-11-15 23:07:17,494 INFO L443 ceAbstractionStarter]: For program point L189-1(lines 20 574) no Hoare annotation was computed. [2019-11-15 23:07:17,494 INFO L443 ceAbstractionStarter]: For program point L156-1(lines 20 574) no Hoare annotation was computed. [2019-11-15 23:07:17,494 INFO L443 ceAbstractionStarter]: For program point L123-1(lines 20 574) no Hoare annotation was computed. [2019-11-15 23:07:17,495 INFO L443 ceAbstractionStarter]: For program point L90-1(lines 20 574) no Hoare annotation was computed. [2019-11-15 23:07:17,495 INFO L443 ceAbstractionStarter]: For program point L57-1(lines 20 574) no Hoare annotation was computed. [2019-11-15 23:07:17,495 INFO L443 ceAbstractionStarter]: For program point L24-1(lines 20 574) no Hoare annotation was computed. [2019-11-15 23:07:17,495 INFO L443 ceAbstractionStarter]: For program point L487(lines 487 572) no Hoare annotation was computed. [2019-11-15 23:07:17,495 INFO L443 ceAbstractionStarter]: For program point L454(lines 454 572) no Hoare annotation was computed. [2019-11-15 23:07:17,495 INFO L443 ceAbstractionStarter]: For program point L388(lines 388 572) no Hoare annotation was computed. [2019-11-15 23:07:17,495 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-15 23:07:17,495 INFO L443 ceAbstractionStarter]: For program point L190(line 190) no Hoare annotation was computed. [2019-11-15 23:07:17,495 INFO L443 ceAbstractionStarter]: For program point L157(line 157) no Hoare annotation was computed. [2019-11-15 23:07:17,495 INFO L443 ceAbstractionStarter]: For program point L124(line 124) no Hoare annotation was computed. [2019-11-15 23:07:17,495 INFO L443 ceAbstractionStarter]: For program point L91(line 91) no Hoare annotation was computed. [2019-11-15 23:07:17,496 INFO L443 ceAbstractionStarter]: For program point L58(line 58) no Hoare annotation was computed. [2019-11-15 23:07:17,496 INFO L443 ceAbstractionStarter]: For program point L25(line 25) no Hoare annotation was computed. [2019-11-15 23:07:17,496 INFO L443 ceAbstractionStarter]: For program point L587(line 587) no Hoare annotation was computed. [2019-11-15 23:07:17,496 INFO L443 ceAbstractionStarter]: For program point L554(lines 554 572) no Hoare annotation was computed. [2019-11-15 23:07:17,504 INFO L443 ceAbstractionStarter]: For program point L323(lines 323 572) no Hoare annotation was computed. [2019-11-15 23:07:17,504 INFO L443 ceAbstractionStarter]: For program point L357(lines 357 572) no Hoare annotation was computed. [2019-11-15 23:07:17,504 INFO L443 ceAbstractionStarter]: For program point L291(lines 291 572) no Hoare annotation was computed. [2019-11-15 23:07:17,504 INFO L443 ceAbstractionStarter]: For program point L225(lines 225 572) no Hoare annotation was computed. [2019-11-15 23:07:17,505 INFO L443 ceAbstractionStarter]: For program point L192-1(lines 20 574) no Hoare annotation was computed. [2019-11-15 23:07:17,505 INFO L443 ceAbstractionStarter]: For program point L159-1(lines 20 574) no Hoare annotation was computed. [2019-11-15 23:07:17,505 INFO L443 ceAbstractionStarter]: For program point L126-1(lines 20 574) no Hoare annotation was computed. [2019-11-15 23:07:17,505 INFO L443 ceAbstractionStarter]: For program point L93-1(lines 20 574) no Hoare annotation was computed. [2019-11-15 23:07:17,505 INFO L443 ceAbstractionStarter]: For program point L60-1(lines 20 574) no Hoare annotation was computed. [2019-11-15 23:07:17,505 INFO L443 ceAbstractionStarter]: For program point L27-1(lines 20 574) no Hoare annotation was computed. [2019-11-15 23:07:17,505 INFO L443 ceAbstractionStarter]: For program point L523(lines 523 572) no Hoare annotation was computed. [2019-11-15 23:07:17,505 INFO L443 ceAbstractionStarter]: For program point L193(line 193) no Hoare annotation was computed. [2019-11-15 23:07:17,505 INFO L443 ceAbstractionStarter]: For program point L160(line 160) no Hoare annotation was computed. [2019-11-15 23:07:17,506 INFO L443 ceAbstractionStarter]: For program point L127(line 127) no Hoare annotation was computed. [2019-11-15 23:07:17,506 INFO L443 ceAbstractionStarter]: For program point L94(line 94) no Hoare annotation was computed. [2019-11-15 23:07:17,506 INFO L443 ceAbstractionStarter]: For program point L61(line 61) no Hoare annotation was computed. [2019-11-15 23:07:17,506 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-11-15 23:07:17,506 INFO L443 ceAbstractionStarter]: For program point L28(line 28) no Hoare annotation was computed. [2019-11-15 23:07:17,506 INFO L443 ceAbstractionStarter]: For program point L557(lines 557 572) no Hoare annotation was computed. [2019-11-15 23:07:17,506 INFO L443 ceAbstractionStarter]: For program point L425(lines 425 572) no Hoare annotation was computed. [2019-11-15 23:07:17,506 INFO L443 ceAbstractionStarter]: For program point L326(lines 326 572) no Hoare annotation was computed. [2019-11-15 23:07:17,506 INFO L443 ceAbstractionStarter]: For program point L260(lines 260 572) no Hoare annotation was computed. [2019-11-15 23:07:17,506 INFO L443 ceAbstractionStarter]: For program point L393(lines 393 572) no Hoare annotation was computed. [2019-11-15 23:07:17,506 INFO L443 ceAbstractionStarter]: For program point L360(lines 360 572) no Hoare annotation was computed. [2019-11-15 23:07:17,507 INFO L443 ceAbstractionStarter]: For program point L195-1(lines 20 574) no Hoare annotation was computed. [2019-11-15 23:07:17,507 INFO L443 ceAbstractionStarter]: For program point L162-1(lines 20 574) no Hoare annotation was computed. [2019-11-15 23:07:17,507 INFO L443 ceAbstractionStarter]: For program point L129-1(lines 20 574) no Hoare annotation was computed. [2019-11-15 23:07:17,507 INFO L443 ceAbstractionStarter]: For program point L96-1(lines 20 574) no Hoare annotation was computed. [2019-11-15 23:07:17,507 INFO L443 ceAbstractionStarter]: For program point L63-1(lines 20 574) no Hoare annotation was computed. [2019-11-15 23:07:17,507 INFO L443 ceAbstractionStarter]: For program point L30-1(lines 20 574) no Hoare annotation was computed. [2019-11-15 23:07:17,507 INFO L443 ceAbstractionStarter]: For program point L526(lines 526 572) no Hoare annotation was computed. [2019-11-15 23:07:17,507 INFO L443 ceAbstractionStarter]: For program point L493(lines 493 572) no Hoare annotation was computed. [2019-11-15 23:07:17,507 INFO L443 ceAbstractionStarter]: For program point L460(lines 460 572) no Hoare annotation was computed. [2019-11-15 23:07:17,507 INFO L443 ceAbstractionStarter]: For program point L196(line 196) no Hoare annotation was computed. [2019-11-15 23:07:17,508 INFO L443 ceAbstractionStarter]: For program point L163(line 163) no Hoare annotation was computed. [2019-11-15 23:07:17,508 INFO L443 ceAbstractionStarter]: For program point L130(line 130) no Hoare annotation was computed. [2019-11-15 23:07:17,508 INFO L443 ceAbstractionStarter]: For program point L97(line 97) no Hoare annotation was computed. [2019-11-15 23:07:17,508 INFO L443 ceAbstractionStarter]: For program point L64(line 64) no Hoare annotation was computed. [2019-11-15 23:07:17,508 INFO L443 ceAbstractionStarter]: For program point L31(line 31) no Hoare annotation was computed. [2019-11-15 23:07:17,508 INFO L443 ceAbstractionStarter]: For program point L329(lines 329 572) no Hoare annotation was computed. [2019-11-15 23:07:17,508 INFO L443 ceAbstractionStarter]: For program point L296(lines 296 572) no Hoare annotation was computed. [2019-11-15 23:07:17,508 INFO L443 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2019-11-15 23:07:17,508 INFO L443 ceAbstractionStarter]: For program point L231(lines 231 572) no Hoare annotation was computed. [2019-11-15 23:07:17,508 INFO L443 ceAbstractionStarter]: For program point L198-1(lines 20 574) no Hoare annotation was computed. [2019-11-15 23:07:17,508 INFO L443 ceAbstractionStarter]: For program point L165-1(lines 20 574) no Hoare annotation was computed. [2019-11-15 23:07:17,509 INFO L443 ceAbstractionStarter]: For program point L132-1(lines 20 574) no Hoare annotation was computed. [2019-11-15 23:07:17,509 INFO L443 ceAbstractionStarter]: For program point L99-1(lines 20 574) no Hoare annotation was computed. [2019-11-15 23:07:17,509 INFO L443 ceAbstractionStarter]: For program point L66-1(lines 20 574) no Hoare annotation was computed. [2019-11-15 23:07:17,509 INFO L443 ceAbstractionStarter]: For program point L33-1(lines 20 574) no Hoare annotation was computed. [2019-11-15 23:07:17,509 INFO L443 ceAbstractionStarter]: For program point L529(lines 529 572) no Hoare annotation was computed. [2019-11-15 23:07:17,509 INFO L443 ceAbstractionStarter]: For program point L430(lines 430 572) no Hoare annotation was computed. [2019-11-15 23:07:17,509 INFO L443 ceAbstractionStarter]: For program point L265(lines 265 572) no Hoare annotation was computed. [2019-11-15 23:07:17,509 INFO L443 ceAbstractionStarter]: For program point L199(line 199) no Hoare annotation was computed. [2019-11-15 23:07:17,509 INFO L443 ceAbstractionStarter]: For program point L166(line 166) no Hoare annotation was computed. [2019-11-15 23:07:17,509 INFO L443 ceAbstractionStarter]: For program point L133(line 133) no Hoare annotation was computed. [2019-11-15 23:07:17,510 INFO L443 ceAbstractionStarter]: For program point L100(line 100) no Hoare annotation was computed. [2019-11-15 23:07:17,510 INFO L443 ceAbstractionStarter]: For program point L67(line 67) no Hoare annotation was computed. [2019-11-15 23:07:17,510 INFO L443 ceAbstractionStarter]: For program point L34(line 34) no Hoare annotation was computed. [2019-11-15 23:07:17,510 INFO L443 ceAbstractionStarter]: For program point L563(lines 563 572) no Hoare annotation was computed. [2019-11-15 23:07:17,510 INFO L443 ceAbstractionStarter]: For program point L398(lines 398 572) no Hoare annotation was computed. [2019-11-15 23:07:17,510 INFO L443 ceAbstractionStarter]: For program point L365(lines 365 572) no Hoare annotation was computed. [2019-11-15 23:07:17,524 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.11 11:07:17 BoogieIcfgContainer [2019-11-15 23:07:17,524 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-15 23:07:17,525 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-15 23:07:17,525 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-15 23:07:17,525 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-15 23:07:17,526 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 11:07:09" (3/4) ... [2019-11-15 23:07:17,528 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-15 23:07:17,547 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2019-11-15 23:07:17,549 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-11-15 23:07:17,669 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_8376f85e-9363-40c7-953f-962f30e4b801/bin/uautomizer/witness.graphml [2019-11-15 23:07:17,669 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-15 23:07:17,671 INFO L168 Benchmark]: Toolchain (without parser) took 10077.87 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 364.9 MB). Free memory was 943.5 MB in the beginning and 969.7 MB in the end (delta: -26.2 MB). Peak memory consumption was 338.7 MB. Max. memory is 11.5 GB. [2019-11-15 23:07:17,671 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 1.0 GB. Free memory is still 967.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-15 23:07:17,672 INFO L168 Benchmark]: CACSL2BoogieTranslator took 618.81 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 166.2 MB). Free memory was 943.5 MB in the beginning and 1.1 GB in the end (delta: -193.3 MB). Peak memory consumption was 18.5 MB. Max. memory is 11.5 GB. [2019-11-15 23:07:17,672 INFO L168 Benchmark]: Boogie Procedure Inliner took 105.00 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 11.5 GB. [2019-11-15 23:07:17,672 INFO L168 Benchmark]: Boogie Preprocessor took 91.63 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 11.5 GB. [2019-11-15 23:07:17,673 INFO L168 Benchmark]: RCFGBuilder took 1309.90 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 111.3 MB). Peak memory consumption was 111.3 MB. Max. memory is 11.5 GB. [2019-11-15 23:07:17,673 INFO L168 Benchmark]: TraceAbstraction took 7803.36 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 198.7 MB). Free memory was 1.0 GB in the beginning and 992.0 MB in the end (delta: 20.6 MB). Peak memory consumption was 219.3 MB. Max. memory is 11.5 GB. [2019-11-15 23:07:17,673 INFO L168 Benchmark]: Witness Printer took 144.72 ms. Allocated memory is still 1.4 GB. Free memory was 992.0 MB in the beginning and 969.7 MB in the end (delta: 22.3 MB). Peak memory consumption was 22.3 MB. Max. memory is 11.5 GB. [2019-11-15 23:07:17,675 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 1.0 GB. Free memory is still 967.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 618.81 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 166.2 MB). Free memory was 943.5 MB in the beginning and 1.1 GB in the end (delta: -193.3 MB). Peak memory consumption was 18.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 105.00 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 91.63 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1309.90 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 111.3 MB). Peak memory consumption was 111.3 MB. Max. memory is 11.5 GB. * TraceAbstraction took 7803.36 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 198.7 MB). Free memory was 1.0 GB in the beginning and 992.0 MB in the end (delta: 20.6 MB). Peak memory consumption was 219.3 MB. Max. memory is 11.5 GB. * Witness Printer took 144.72 ms. Allocated memory is still 1.4 GB. Free memory was 992.0 MB in the beginning and 969.7 MB in the end (delta: 22.3 MB). Peak memory consumption was 22.3 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 133]: 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: 582]: Loop Invariant Derived loop invariant: ((a10 == 2 || (!(a19 == 7) && !(10 == a19))) || a10 == 1) || ((!(a10 == 3) && !(a19 == 7)) && !(a10 == 4)) - InvariantResult [Line: 20]: Loop Invariant Derived loop invariant: ((a10 == 2 || (!(a19 == 7) && !(10 == a19))) || a10 == 1) || ((!(a10 == 3) && !(a19 == 7)) && !(a10 == 4)) - InvariantResult [Line: 576]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 206 locations, 1 error locations. Result: SAFE, OverallTime: 7.7s, OverallIterations: 5, TraceHistogramMax: 4, AutomataDifference: 5.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.2s, HoareTripleCheckerStatistics: 315 SDtfs, 1784 SDslu, 73 SDs, 0 SdLazy, 3815 SolverSat, 1039 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 4.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 35 GetRequests, 9 SyntacticMatches, 11 SemanticMatches, 15 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=977occurred in iteration=3, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 5 MinimizatonAttempts, 556 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 34 NumberOfFragments, 59 HoareAnnotationTreeSize, 3 FomulaSimplifications, 400 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 3 FomulaSimplificationsInter, 348 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 985 NumberOfCodeBlocks, 985 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 980 ConstructedInterpolants, 0 QuantifiedInterpolants, 423610 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 893/893 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...