./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem02_label48.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version f470102c Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_e20f2720-8c47-4e07-b094-45d35017a53e/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_e20f2720-8c47-4e07-b094-45d35017a53e/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_e20f2720-8c47-4e07-b094-45d35017a53e/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_e20f2720-8c47-4e07-b094-45d35017a53e/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem02_label48.c -s /tmp/vcloud-vcloud-master/worker/run_dir_e20f2720-8c47-4e07-b094-45d35017a53e/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_e20f2720-8c47-4e07-b094-45d35017a53e/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 d21c5ccf8cec8e25a14d9a868b5f3d1150798ab4 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-f470102 [2019-12-07 11:07:15,544 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 11:07:15,545 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 11:07:15,553 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 11:07:15,553 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 11:07:15,554 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 11:07:15,555 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 11:07:15,556 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 11:07:15,557 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 11:07:15,558 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 11:07:15,558 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 11:07:15,559 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 11:07:15,559 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 11:07:15,560 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 11:07:15,561 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 11:07:15,561 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 11:07:15,562 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 11:07:15,562 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 11:07:15,564 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 11:07:15,566 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 11:07:15,567 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 11:07:15,567 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 11:07:15,568 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 11:07:15,569 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 11:07:15,570 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 11:07:15,571 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 11:07:15,571 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 11:07:15,571 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 11:07:15,572 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 11:07:15,572 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 11:07:15,572 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 11:07:15,573 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 11:07:15,573 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 11:07:15,573 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 11:07:15,574 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 11:07:15,574 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 11:07:15,575 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 11:07:15,575 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 11:07:15,575 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 11:07:15,575 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 11:07:15,576 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 11:07:15,576 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_e20f2720-8c47-4e07-b094-45d35017a53e/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-12-07 11:07:15,586 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 11:07:15,586 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 11:07:15,587 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-07 11:07:15,587 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-07 11:07:15,587 INFO L138 SettingsManager]: * Use SBE=true [2019-12-07 11:07:15,587 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 11:07:15,588 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 11:07:15,588 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 11:07:15,588 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 11:07:15,588 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 11:07:15,588 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 11:07:15,588 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 11:07:15,588 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 11:07:15,588 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 11:07:15,589 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 11:07:15,589 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 11:07:15,589 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 11:07:15,589 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 11:07:15,589 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 11:07:15,589 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 11:07:15,589 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 11:07:15,589 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 11:07:15,590 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 11:07:15,590 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 11:07:15,590 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 11:07:15,590 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-12-07 11:07:15,590 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-07 11:07:15,590 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 11:07:15,590 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 11:07:15,590 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_e20f2720-8c47-4e07-b094-45d35017a53e/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 -> d21c5ccf8cec8e25a14d9a868b5f3d1150798ab4 [2019-12-07 11:07:15,690 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 11:07:15,699 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 11:07:15,702 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 11:07:15,703 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 11:07:15,703 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 11:07:15,704 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_e20f2720-8c47-4e07-b094-45d35017a53e/bin/uautomizer/../../sv-benchmarks/c/eca-rers2012/Problem02_label48.c [2019-12-07 11:07:15,746 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_e20f2720-8c47-4e07-b094-45d35017a53e/bin/uautomizer/data/0a0b0927c/d9705a83ff6349d3877e536e6bcf0458/FLAG371b07435 [2019-12-07 11:07:16,227 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 11:07:16,228 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_e20f2720-8c47-4e07-b094-45d35017a53e/sv-benchmarks/c/eca-rers2012/Problem02_label48.c [2019-12-07 11:07:16,235 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_e20f2720-8c47-4e07-b094-45d35017a53e/bin/uautomizer/data/0a0b0927c/d9705a83ff6349d3877e536e6bcf0458/FLAG371b07435 [2019-12-07 11:07:16,246 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_e20f2720-8c47-4e07-b094-45d35017a53e/bin/uautomizer/data/0a0b0927c/d9705a83ff6349d3877e536e6bcf0458 [2019-12-07 11:07:16,248 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 11:07:16,249 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 11:07:16,250 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 11:07:16,250 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 11:07:16,253 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 11:07:16,253 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 11:07:16" (1/1) ... [2019-12-07 11:07:16,255 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@374ca533 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:07:16, skipping insertion in model container [2019-12-07 11:07:16,255 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 11:07:16" (1/1) ... [2019-12-07 11:07:16,260 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 11:07:16,296 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 11:07:16,523 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 11:07:16,526 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 11:07:16,576 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 11:07:16,587 INFO L208 MainTranslator]: Completed translation [2019-12-07 11:07:16,587 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:07:16 WrapperNode [2019-12-07 11:07:16,587 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 11:07:16,588 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 11:07:16,588 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 11:07:16,588 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 11:07:16,594 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:07:16" (1/1) ... [2019-12-07 11:07:16,605 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:07:16" (1/1) ... [2019-12-07 11:07:16,637 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 11:07:16,637 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 11:07:16,637 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 11:07:16,637 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 11:07:16,644 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:07:16" (1/1) ... [2019-12-07 11:07:16,644 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:07:16" (1/1) ... [2019-12-07 11:07:16,647 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:07:16" (1/1) ... [2019-12-07 11:07:16,647 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:07:16" (1/1) ... [2019-12-07 11:07:16,660 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:07:16" (1/1) ... [2019-12-07 11:07:16,667 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:07:16" (1/1) ... [2019-12-07 11:07:16,671 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:07:16" (1/1) ... [2019-12-07 11:07:16,676 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 11:07:16,676 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 11:07:16,676 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 11:07:16,676 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 11:07:16,677 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:07:16" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e20f2720-8c47-4e07-b094-45d35017a53e/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 11:07:16,717 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 11:07:16,717 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 11:07:17,345 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 11:07:17,346 INFO L287 CfgBuilder]: Removed 7 assume(true) statements. [2019-12-07 11:07:17,347 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 11:07:17 BoogieIcfgContainer [2019-12-07 11:07:17,347 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 11:07:17,347 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-07 11:07:17,347 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-07 11:07:17,349 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-07 11:07:17,350 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 11:07:16" (1/3) ... [2019-12-07 11:07:17,350 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4e7e8b2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 11:07:17, skipping insertion in model container [2019-12-07 11:07:17,350 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 11:07:16" (2/3) ... [2019-12-07 11:07:17,351 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@4e7e8b2 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 07.12 11:07:17, skipping insertion in model container [2019-12-07 11:07:17,351 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 11:07:17" (3/3) ... [2019-12-07 11:07:17,352 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem02_label48.c [2019-12-07 11:07:17,358 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-07 11:07:17,363 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-12-07 11:07:17,371 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-12-07 11:07:17,389 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-07 11:07:17,389 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-07 11:07:17,389 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-07 11:07:17,389 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 11:07:17,389 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 11:07:17,389 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-07 11:07:17,389 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 11:07:17,390 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-07 11:07:17,404 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states. [2019-12-07 11:07:17,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2019-12-07 11:07:17,414 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 11:07:17,415 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 11:07:17,415 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 11:07:17,419 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 11:07:17,419 INFO L82 PathProgramCache]: Analyzing trace with hash -1936539381, now seen corresponding path program 1 times [2019-12-07 11:07:17,426 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 11:07:17,426 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [640509742] [2019-12-07 11:07:17,426 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 11:07:17,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 11:07:17,721 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 11:07:17,721 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [640509742] [2019-12-07 11:07:17,722 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 11:07:17,722 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-07 11:07:17,723 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1253008831] [2019-12-07 11:07:17,728 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-07 11:07:17,728 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 11:07:17,737 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 11:07:17,738 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 11:07:17,739 INFO L87 Difference]: Start difference. First operand 227 states. Second operand 4 states. [2019-12-07 11:07:18,500 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 11:07:18,500 INFO L93 Difference]: Finished difference Result 775 states and 1353 transitions. [2019-12-07 11:07:18,501 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-12-07 11:07:18,502 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 137 [2019-12-07 11:07:18,503 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 11:07:18,517 INFO L225 Difference]: With dead ends: 775 [2019-12-07 11:07:18,517 INFO L226 Difference]: Without dead ends: 460 [2019-12-07 11:07:18,521 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 [2019-12-07 11:07:18,535 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 460 states. [2019-12-07 11:07:18,567 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 460 to 308. [2019-12-07 11:07:18,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 308 states. [2019-12-07 11:07:18,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 308 states to 308 states and 451 transitions. [2019-12-07 11:07:18,570 INFO L78 Accepts]: Start accepts. Automaton has 308 states and 451 transitions. Word has length 137 [2019-12-07 11:07:18,571 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 11:07:18,571 INFO L462 AbstractCegarLoop]: Abstraction has 308 states and 451 transitions. [2019-12-07 11:07:18,571 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-07 11:07:18,571 INFO L276 IsEmpty]: Start isEmpty. Operand 308 states and 451 transitions. [2019-12-07 11:07:18,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2019-12-07 11:07:18,575 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 11:07:18,576 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 11:07:18,576 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 11:07:18,576 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 11:07:18,577 INFO L82 PathProgramCache]: Analyzing trace with hash 2067972608, now seen corresponding path program 1 times [2019-12-07 11:07:18,577 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 11:07:18,577 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1524209852] [2019-12-07 11:07:18,577 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 11:07:18,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 11:07:18,771 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 11:07:18,771 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1524209852] [2019-12-07 11:07:18,772 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 11:07:18,772 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-07 11:07:18,772 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [68574842] [2019-12-07 11:07:18,773 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-07 11:07:18,773 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 11:07:18,773 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 11:07:18,774 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 11:07:18,774 INFO L87 Difference]: Start difference. First operand 308 states and 451 transitions. Second operand 4 states. [2019-12-07 11:07:19,264 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 11:07:19,265 INFO L93 Difference]: Finished difference Result 977 states and 1474 transitions. [2019-12-07 11:07:19,265 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-12-07 11:07:19,265 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 141 [2019-12-07 11:07:19,265 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 11:07:19,268 INFO L225 Difference]: With dead ends: 977 [2019-12-07 11:07:19,268 INFO L226 Difference]: Without dead ends: 588 [2019-12-07 11:07:19,270 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 [2019-12-07 11:07:19,271 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 588 states. [2019-12-07 11:07:19,285 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 588 to 588. [2019-12-07 11:07:19,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 588 states. [2019-12-07 11:07:19,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 588 states to 588 states and 796 transitions. [2019-12-07 11:07:19,287 INFO L78 Accepts]: Start accepts. Automaton has 588 states and 796 transitions. Word has length 141 [2019-12-07 11:07:19,287 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 11:07:19,287 INFO L462 AbstractCegarLoop]: Abstraction has 588 states and 796 transitions. [2019-12-07 11:07:19,288 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-07 11:07:19,288 INFO L276 IsEmpty]: Start isEmpty. Operand 588 states and 796 transitions. [2019-12-07 11:07:19,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2019-12-07 11:07:19,290 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 11:07:19,290 INFO L410 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 11:07:19,290 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 11:07:19,291 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 11:07:19,291 INFO L82 PathProgramCache]: Analyzing trace with hash 1497499690, now seen corresponding path program 1 times [2019-12-07 11:07:19,291 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 11:07:19,291 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [522922507] [2019-12-07 11:07:19,291 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 11:07:19,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 11:07:19,339 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 11:07:19,339 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [522922507] [2019-12-07 11:07:19,339 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 11:07:19,339 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-07 11:07:19,340 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [77367270] [2019-12-07 11:07:19,340 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-07 11:07:19,340 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 11:07:19,340 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 11:07:19,340 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 11:07:19,340 INFO L87 Difference]: Start difference. First operand 588 states and 796 transitions. Second operand 4 states. [2019-12-07 11:07:19,808 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 11:07:19,808 INFO L93 Difference]: Finished difference Result 2175 states and 2970 transitions. [2019-12-07 11:07:19,809 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-12-07 11:07:19,809 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 155 [2019-12-07 11:07:19,809 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 11:07:19,815 INFO L225 Difference]: With dead ends: 2175 [2019-12-07 11:07:19,815 INFO L226 Difference]: Without dead ends: 1589 [2019-12-07 11:07:19,817 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 [2019-12-07 11:07:19,818 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1589 states. [2019-12-07 11:07:19,837 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1589 to 1151. [2019-12-07 11:07:19,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1151 states. [2019-12-07 11:07:19,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1151 states to 1151 states and 1509 transitions. [2019-12-07 11:07:19,840 INFO L78 Accepts]: Start accepts. Automaton has 1151 states and 1509 transitions. Word has length 155 [2019-12-07 11:07:19,840 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 11:07:19,840 INFO L462 AbstractCegarLoop]: Abstraction has 1151 states and 1509 transitions. [2019-12-07 11:07:19,840 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-07 11:07:19,840 INFO L276 IsEmpty]: Start isEmpty. Operand 1151 states and 1509 transitions. [2019-12-07 11:07:19,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2019-12-07 11:07:19,843 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 11:07:19,843 INFO L410 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 11:07:19,843 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 11:07:19,843 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 11:07:19,843 INFO L82 PathProgramCache]: Analyzing trace with hash -1895468743, now seen corresponding path program 1 times [2019-12-07 11:07:19,843 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 11:07:19,844 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1619274386] [2019-12-07 11:07:19,844 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 11:07:19,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 11:07:19,906 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 11:07:19,906 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1619274386] [2019-12-07 11:07:19,906 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 11:07:19,906 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-07 11:07:19,906 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [979384828] [2019-12-07 11:07:19,907 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-07 11:07:19,907 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 11:07:19,907 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 11:07:19,907 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 11:07:19,907 INFO L87 Difference]: Start difference. First operand 1151 states and 1509 transitions. Second operand 4 states. [2019-12-07 11:07:20,502 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 11:07:20,502 INFO L93 Difference]: Finished difference Result 3847 states and 5078 transitions. [2019-12-07 11:07:20,502 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-12-07 11:07:20,502 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 161 [2019-12-07 11:07:20,502 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 11:07:20,512 INFO L225 Difference]: With dead ends: 3847 [2019-12-07 11:07:20,512 INFO L226 Difference]: Without dead ends: 2698 [2019-12-07 11:07:20,514 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 [2019-12-07 11:07:20,516 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2698 states. [2019-12-07 11:07:20,543 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2698 to 2132. [2019-12-07 11:07:20,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2132 states. [2019-12-07 11:07:20,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2132 states to 2132 states and 2646 transitions. [2019-12-07 11:07:20,549 INFO L78 Accepts]: Start accepts. Automaton has 2132 states and 2646 transitions. Word has length 161 [2019-12-07 11:07:20,549 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 11:07:20,549 INFO L462 AbstractCegarLoop]: Abstraction has 2132 states and 2646 transitions. [2019-12-07 11:07:20,549 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-07 11:07:20,549 INFO L276 IsEmpty]: Start isEmpty. Operand 2132 states and 2646 transitions. [2019-12-07 11:07:20,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 238 [2019-12-07 11:07:20,553 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 11:07:20,553 INFO L410 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-12-07 11:07:20,553 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 11:07:20,554 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 11:07:20,554 INFO L82 PathProgramCache]: Analyzing trace with hash -917417275, now seen corresponding path program 1 times [2019-12-07 11:07:20,554 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 11:07:20,554 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [213601239] [2019-12-07 11:07:20,554 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 11:07:20,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 11:07:20,637 INFO L134 CoverageAnalysis]: Checked inductivity of 131 backedges. 123 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-12-07 11:07:20,637 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [213601239] [2019-12-07 11:07:20,637 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 11:07:20,638 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-12-07 11:07:20,638 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1004327545] [2019-12-07 11:07:20,638 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-07 11:07:20,638 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 11:07:20,638 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 11:07:20,638 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 11:07:20,639 INFO L87 Difference]: Start difference. First operand 2132 states and 2646 transitions. Second operand 4 states. [2019-12-07 11:07:21,211 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 11:07:21,211 INFO L93 Difference]: Finished difference Result 4965 states and 6144 transitions. [2019-12-07 11:07:21,211 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-12-07 11:07:21,211 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 237 [2019-12-07 11:07:21,211 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 11:07:21,211 INFO L225 Difference]: With dead ends: 4965 [2019-12-07 11:07:21,212 INFO L226 Difference]: Without dead ends: 0 [2019-12-07 11:07:21,215 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 11:07:21,215 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-12-07 11:07:21,215 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-12-07 11:07:21,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-12-07 11:07:21,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-12-07 11:07:21,216 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 237 [2019-12-07 11:07:21,216 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 11:07:21,216 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 11:07:21,216 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-07 11:07:21,216 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-12-07 11:07:21,216 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-12-07 11:07:21,218 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-12-07 11:07:21,332 INFO L246 CegarLoopResult]: For program point L564-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 11:07:21,332 INFO L246 CegarLoopResult]: For program point L498-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 11:07:21,332 INFO L246 CegarLoopResult]: For program point L432-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 11:07:21,332 INFO L246 CegarLoopResult]: For program point L234(lines 234 413) no Hoare annotation was computed. [2019-12-07 11:07:21,332 INFO L246 CegarLoopResult]: For program point L565(line 565) no Hoare annotation was computed. [2019-12-07 11:07:21,332 INFO L246 CegarLoopResult]: For program point L499(line 499) no Hoare annotation was computed. [2019-12-07 11:07:21,332 INFO L246 CegarLoopResult]: For program point L433(line 433) no Hoare annotation was computed. [2019-12-07 11:07:21,333 INFO L246 CegarLoopResult]: For program point L169(lines 169 413) no Hoare annotation was computed. [2019-12-07 11:07:21,333 INFO L246 CegarLoopResult]: For program point L368(lines 368 413) no Hoare annotation was computed. [2019-12-07 11:07:21,333 INFO L246 CegarLoopResult]: For program point L38(lines 38 413) no Hoare annotation was computed. [2019-12-07 11:07:21,333 INFO L246 CegarLoopResult]: For program point L567-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 11:07:21,333 INFO L246 CegarLoopResult]: For program point L501-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 11:07:21,333 INFO L246 CegarLoopResult]: For program point L435-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 11:07:21,333 INFO L246 CegarLoopResult]: For program point L237(lines 237 413) no Hoare annotation was computed. [2019-12-07 11:07:21,333 INFO L246 CegarLoopResult]: For program point L568(line 568) no Hoare annotation was computed. [2019-12-07 11:07:21,334 INFO L246 CegarLoopResult]: For program point L502(line 502) no Hoare annotation was computed. [2019-12-07 11:07:21,334 INFO L246 CegarLoopResult]: For program point L436(line 436) no Hoare annotation was computed. [2019-12-07 11:07:21,334 INFO L246 CegarLoopResult]: For program point L238(lines 238 246) no Hoare annotation was computed. [2019-12-07 11:07:21,334 INFO L246 CegarLoopResult]: For program point L238-2(lines 238 246) no Hoare annotation was computed. [2019-12-07 11:07:21,334 INFO L246 CegarLoopResult]: For program point L106(lines 106 413) no Hoare annotation was computed. [2019-12-07 11:07:21,334 INFO L246 CegarLoopResult]: For program point L570-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 11:07:21,334 INFO L246 CegarLoopResult]: For program point L504-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 11:07:21,334 INFO L246 CegarLoopResult]: For program point L438-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 11:07:21,334 INFO L246 CegarLoopResult]: For program point L42(lines 42 413) no Hoare annotation was computed. [2019-12-07 11:07:21,334 INFO L246 CegarLoopResult]: For program point L571(line 571) no Hoare annotation was computed. [2019-12-07 11:07:21,335 INFO L246 CegarLoopResult]: For program point L505(line 505) no Hoare annotation was computed. [2019-12-07 11:07:21,335 INFO L246 CegarLoopResult]: For program point L439(line 439) no Hoare annotation was computed. [2019-12-07 11:07:21,335 INFO L246 CegarLoopResult]: For program point L175(lines 175 413) no Hoare annotation was computed. [2019-12-07 11:07:21,335 INFO L246 CegarLoopResult]: For program point L573-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 11:07:21,335 INFO L246 CegarLoopResult]: For program point L507-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 11:07:21,335 INFO L246 CegarLoopResult]: For program point L441-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 11:07:21,335 INFO L246 CegarLoopResult]: For program point L375(lines 375 413) no Hoare annotation was computed. [2019-12-07 11:07:21,335 INFO L246 CegarLoopResult]: For program point L309(lines 309 413) no Hoare annotation was computed. [2019-12-07 11:07:21,335 INFO L246 CegarLoopResult]: For program point L574(line 574) no Hoare annotation was computed. [2019-12-07 11:07:21,335 INFO L246 CegarLoopResult]: For program point L508(line 508) no Hoare annotation was computed. [2019-12-07 11:07:21,336 INFO L246 CegarLoopResult]: For program point L442(line 442) no Hoare annotation was computed. [2019-12-07 11:07:21,336 INFO L246 CegarLoopResult]: For program point L179(lines 179 413) no Hoare annotation was computed. [2019-12-07 11:07:21,336 INFO L246 CegarLoopResult]: For program point L113(lines 113 413) no Hoare annotation was computed. [2019-12-07 11:07:21,336 INFO L246 CegarLoopResult]: For program point L47(lines 47 413) no Hoare annotation was computed. [2019-12-07 11:07:21,336 INFO L246 CegarLoopResult]: For program point L576-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 11:07:21,336 INFO L246 CegarLoopResult]: For program point L510-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 11:07:21,336 INFO L246 CegarLoopResult]: For program point L444-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 11:07:21,336 INFO L246 CegarLoopResult]: For program point L378(lines 378 413) no Hoare annotation was computed. [2019-12-07 11:07:21,336 INFO L246 CegarLoopResult]: For program point L577(line 577) no Hoare annotation was computed. [2019-12-07 11:07:21,336 INFO L246 CegarLoopResult]: For program point L511(line 511) no Hoare annotation was computed. [2019-12-07 11:07:21,336 INFO L246 CegarLoopResult]: For program point L445(line 445) no Hoare annotation was computed. [2019-12-07 11:07:21,336 INFO L246 CegarLoopResult]: For program point L380(lines 380 413) no Hoare annotation was computed. [2019-12-07 11:07:21,337 INFO L246 CegarLoopResult]: For program point L314(lines 314 413) no Hoare annotation was computed. [2019-12-07 11:07:21,337 INFO L246 CegarLoopResult]: For program point L248(lines 248 413) no Hoare annotation was computed. [2019-12-07 11:07:21,337 INFO L246 CegarLoopResult]: For program point L50(lines 50 413) no Hoare annotation was computed. [2019-12-07 11:07:21,337 INFO L246 CegarLoopResult]: For program point L579-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 11:07:21,337 INFO L246 CegarLoopResult]: For program point L513-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 11:07:21,337 INFO L246 CegarLoopResult]: For program point L447-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 11:07:21,337 INFO L246 CegarLoopResult]: For program point L381(lines 381 387) no Hoare annotation was computed. [2019-12-07 11:07:21,337 INFO L246 CegarLoopResult]: For program point L315(lines 315 326) no Hoare annotation was computed. [2019-12-07 11:07:21,337 INFO L246 CegarLoopResult]: For program point L381-2(lines 381 387) no Hoare annotation was computed. [2019-12-07 11:07:21,337 INFO L246 CegarLoopResult]: For program point L315-2(lines 315 326) no Hoare annotation was computed. [2019-12-07 11:07:21,338 INFO L246 CegarLoopResult]: For program point L580(line 580) no Hoare annotation was computed. [2019-12-07 11:07:21,338 INFO L246 CegarLoopResult]: For program point L514(line 514) no Hoare annotation was computed. [2019-12-07 11:07:21,338 INFO L246 CegarLoopResult]: For program point L448(line 448) no Hoare annotation was computed. [2019-12-07 11:07:21,338 INFO L246 CegarLoopResult]: For program point L185(lines 185 413) no Hoare annotation was computed. [2019-12-07 11:07:21,338 INFO L246 CegarLoopResult]: For program point L119(lines 119 413) no Hoare annotation was computed. [2019-12-07 11:07:21,338 INFO L246 CegarLoopResult]: For program point L582-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 11:07:21,338 INFO L246 CegarLoopResult]: For program point L516-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 11:07:21,338 INFO L246 CegarLoopResult]: For program point L450-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 11:07:21,338 INFO L246 CegarLoopResult]: For program point L54(lines 54 413) no Hoare annotation was computed. [2019-12-07 11:07:21,338 INFO L246 CegarLoopResult]: For program point L583(line 583) no Hoare annotation was computed. [2019-12-07 11:07:21,338 INFO L246 CegarLoopResult]: For program point L517(line 517) no Hoare annotation was computed. [2019-12-07 11:07:21,339 INFO L246 CegarLoopResult]: For program point L451(line 451) no Hoare annotation was computed. [2019-12-07 11:07:21,339 INFO L246 CegarLoopResult]: For program point L253(lines 253 413) no Hoare annotation was computed. [2019-12-07 11:07:21,339 INFO L246 CegarLoopResult]: For program point L187(lines 187 413) no Hoare annotation was computed. [2019-12-07 11:07:21,339 INFO L246 CegarLoopResult]: For program point L585-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 11:07:21,339 INFO L246 CegarLoopResult]: For program point L519-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 11:07:21,339 INFO L246 CegarLoopResult]: For program point L453-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 11:07:21,339 INFO L246 CegarLoopResult]: For program point L189(lines 189 413) no Hoare annotation was computed. [2019-12-07 11:07:21,339 INFO L246 CegarLoopResult]: For program point L123(lines 123 413) no Hoare annotation was computed. [2019-12-07 11:07:21,339 INFO L246 CegarLoopResult]: For program point L586(line 586) no Hoare annotation was computed. [2019-12-07 11:07:21,339 INFO L246 CegarLoopResult]: For program point L520(line 520) no Hoare annotation was computed. [2019-12-07 11:07:21,340 INFO L246 CegarLoopResult]: For program point L454(line 454) no Hoare annotation was computed. [2019-12-07 11:07:21,340 INFO L246 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-12-07 11:07:21,340 INFO L246 CegarLoopResult]: For program point L389(lines 389 413) no Hoare annotation was computed. [2019-12-07 11:07:21,340 INFO L246 CegarLoopResult]: For program point L191(lines 191 413) no Hoare annotation was computed. [2019-12-07 11:07:21,340 INFO L246 CegarLoopResult]: For program point L59(lines 59 413) no Hoare annotation was computed. [2019-12-07 11:07:21,340 INFO L246 CegarLoopResult]: For program point L588-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 11:07:21,340 INFO L246 CegarLoopResult]: For program point L522-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 11:07:21,340 INFO L246 CegarLoopResult]: For program point L456-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 11:07:21,340 INFO L246 CegarLoopResult]: For program point L589(line 589) no Hoare annotation was computed. [2019-12-07 11:07:21,340 INFO L246 CegarLoopResult]: For program point L523(line 523) no Hoare annotation was computed. [2019-12-07 11:07:21,340 INFO L246 CegarLoopResult]: For program point L457(line 457) no Hoare annotation was computed. [2019-12-07 11:07:21,340 INFO L246 CegarLoopResult]: For program point L259(lines 259 413) no Hoare annotation was computed. [2019-12-07 11:07:21,341 INFO L246 CegarLoopResult]: For program point L194(lines 194 413) no Hoare annotation was computed. [2019-12-07 11:07:21,341 INFO L246 CegarLoopResult]: For program point L591-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 11:07:21,341 INFO L246 CegarLoopResult]: For program point L525-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 11:07:21,341 INFO L246 CegarLoopResult]: For program point L459-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 11:07:21,341 INFO L246 CegarLoopResult]: For program point L261(lines 261 413) no Hoare annotation was computed. [2019-12-07 11:07:21,341 INFO L246 CegarLoopResult]: For program point L592(line 592) no Hoare annotation was computed. [2019-12-07 11:07:21,341 INFO L246 CegarLoopResult]: For program point L526(line 526) no Hoare annotation was computed. [2019-12-07 11:07:21,341 INFO L246 CegarLoopResult]: For program point L460(line 460) no Hoare annotation was computed. [2019-12-07 11:07:21,341 INFO L246 CegarLoopResult]: For program point L394(lines 394 413) no Hoare annotation was computed. [2019-12-07 11:07:21,341 INFO L246 CegarLoopResult]: For program point L328(lines 328 413) no Hoare annotation was computed. [2019-12-07 11:07:21,341 INFO L246 CegarLoopResult]: For program point L262(lines 262 274) no Hoare annotation was computed. [2019-12-07 11:07:21,342 INFO L246 CegarLoopResult]: For program point L262-2(lines 262 274) no Hoare annotation was computed. [2019-12-07 11:07:21,342 INFO L246 CegarLoopResult]: For program point L130(lines 130 413) no Hoare annotation was computed. [2019-12-07 11:07:21,342 INFO L246 CegarLoopResult]: For program point L65(lines 65 413) no Hoare annotation was computed. [2019-12-07 11:07:21,342 INFO L246 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2019-12-07 11:07:21,342 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 583) no Hoare annotation was computed. [2019-12-07 11:07:21,342 INFO L246 CegarLoopResult]: For program point L594-1(lines 594 596) no Hoare annotation was computed. [2019-12-07 11:07:21,342 INFO L246 CegarLoopResult]: For program point L528-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 11:07:21,342 INFO L246 CegarLoopResult]: For program point L462-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 11:07:21,342 INFO L246 CegarLoopResult]: For program point L198(lines 198 413) no Hoare annotation was computed. [2019-12-07 11:07:21,342 INFO L246 CegarLoopResult]: For program point L595(line 595) no Hoare annotation was computed. [2019-12-07 11:07:21,343 INFO L246 CegarLoopResult]: For program point L529(line 529) no Hoare annotation was computed. [2019-12-07 11:07:21,343 INFO L246 CegarLoopResult]: For program point L463(line 463) no Hoare annotation was computed. [2019-12-07 11:07:21,343 INFO L246 CegarLoopResult]: For program point L331(lines 331 413) no Hoare annotation was computed. [2019-12-07 11:07:21,343 INFO L246 CegarLoopResult]: For program point L398(lines 398 413) no Hoare annotation was computed. [2019-12-07 11:07:21,343 INFO L246 CegarLoopResult]: For program point L332(lines 332 335) no Hoare annotation was computed. [2019-12-07 11:07:21,343 INFO L246 CegarLoopResult]: For program point L332-2(lines 332 335) no Hoare annotation was computed. [2019-12-07 11:07:21,343 INFO L246 CegarLoopResult]: For program point L134(lines 134 413) no Hoare annotation was computed. [2019-12-07 11:07:21,343 INFO L242 CegarLoopResult]: At program point L597(lines 29 598) the Hoare annotation is: (let ((.cse0 (not (= ~a28~0 11)))) (or (and (not (= ~a28~0 8)) .cse0) (and (= ~a17~0 8) (= ~a19~0 1) (= ~a21~0 1) .cse0) (not (= ~a11~0 1)))) [2019-12-07 11:07:21,344 INFO L246 CegarLoopResult]: For program point L531-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 11:07:21,344 INFO L246 CegarLoopResult]: For program point L465-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 11:07:21,344 INFO L246 CegarLoopResult]: For program point L69(lines 69 413) no Hoare annotation was computed. [2019-12-07 11:07:21,344 INFO L246 CegarLoopResult]: For program point L532(line 532) no Hoare annotation was computed. [2019-12-07 11:07:21,344 INFO L246 CegarLoopResult]: For program point L466(line 466) no Hoare annotation was computed. [2019-12-07 11:07:21,344 INFO L246 CegarLoopResult]: For program point L202(lines 202 413) no Hoare annotation was computed. [2019-12-07 11:07:21,344 INFO L246 CegarLoopResult]: For program point L203(lines 203 210) no Hoare annotation was computed. [2019-12-07 11:07:21,344 INFO L246 CegarLoopResult]: For program point L203-2(lines 203 210) no Hoare annotation was computed. [2019-12-07 11:07:21,344 INFO L249 CegarLoopResult]: At program point L600(lines 600 617) the Hoare annotation is: true [2019-12-07 11:07:21,344 INFO L246 CegarLoopResult]: For program point L534-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 11:07:21,345 INFO L246 CegarLoopResult]: For program point L468-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 11:07:21,345 INFO L246 CegarLoopResult]: For program point L402(lines 402 413) no Hoare annotation was computed. [2019-12-07 11:07:21,345 INFO L246 CegarLoopResult]: For program point L535(line 535) no Hoare annotation was computed. [2019-12-07 11:07:21,345 INFO L246 CegarLoopResult]: For program point L469(line 469) no Hoare annotation was computed. [2019-12-07 11:07:21,345 INFO L246 CegarLoopResult]: For program point L337(lines 337 413) no Hoare annotation was computed. [2019-12-07 11:07:21,345 INFO L246 CegarLoopResult]: For program point L139(lines 139 413) no Hoare annotation was computed. [2019-12-07 11:07:21,345 INFO L246 CegarLoopResult]: For program point L404(lines 404 413) no Hoare annotation was computed. [2019-12-07 11:07:21,345 INFO L246 CegarLoopResult]: For program point L338(lines 338 347) no Hoare annotation was computed. [2019-12-07 11:07:21,345 INFO L246 CegarLoopResult]: For program point L338-2(lines 338 347) no Hoare annotation was computed. [2019-12-07 11:07:21,345 INFO L246 CegarLoopResult]: For program point L74(lines 74 413) no Hoare annotation was computed. [2019-12-07 11:07:21,346 INFO L246 CegarLoopResult]: For program point L537-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 11:07:21,346 INFO L246 CegarLoopResult]: For program point L471-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 11:07:21,346 INFO L246 CegarLoopResult]: For program point L75(lines 75 80) no Hoare annotation was computed. [2019-12-07 11:07:21,346 INFO L246 CegarLoopResult]: For program point L75-2(lines 75 80) no Hoare annotation was computed. [2019-12-07 11:07:21,346 INFO L246 CegarLoopResult]: For program point L538(line 538) no Hoare annotation was computed. [2019-12-07 11:07:21,346 INFO L246 CegarLoopResult]: For program point L472(line 472) no Hoare annotation was computed. [2019-12-07 11:07:21,346 INFO L246 CegarLoopResult]: For program point L407(lines 407 413) no Hoare annotation was computed. [2019-12-07 11:07:21,346 INFO L246 CegarLoopResult]: For program point L143(lines 143 413) no Hoare annotation was computed. [2019-12-07 11:07:21,346 INFO L242 CegarLoopResult]: At program point L606-2(lines 606 616) the Hoare annotation is: (let ((.cse0 (not (= ~a28~0 11)))) (or (and (not (= ~a28~0 8)) .cse0) (and (= ~a17~0 8) (= ~a19~0 1) (= ~a21~0 1) .cse0) (not (= ~a11~0 1)))) [2019-12-07 11:07:21,346 INFO L246 CegarLoopResult]: For program point L540-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 11:07:21,347 INFO L246 CegarLoopResult]: For program point L474-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 11:07:21,347 INFO L246 CegarLoopResult]: For program point L276(lines 276 413) no Hoare annotation was computed. [2019-12-07 11:07:21,347 INFO L246 CegarLoopResult]: For program point L541(line 541) no Hoare annotation was computed. [2019-12-07 11:07:21,347 INFO L246 CegarLoopResult]: For program point L475(line 475) no Hoare annotation was computed. [2019-12-07 11:07:21,347 INFO L246 CegarLoopResult]: For program point L409(lines 409 413) no Hoare annotation was computed. [2019-12-07 11:07:21,347 INFO L246 CegarLoopResult]: For program point L212(lines 212 413) no Hoare annotation was computed. [2019-12-07 11:07:21,347 INFO L246 CegarLoopResult]: For program point L543-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 11:07:21,347 INFO L246 CegarLoopResult]: For program point L477-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 11:07:21,347 INFO L246 CegarLoopResult]: For program point L544(line 544) no Hoare annotation was computed. [2019-12-07 11:07:21,347 INFO L246 CegarLoopResult]: For program point L478(line 478) no Hoare annotation was computed. [2019-12-07 11:07:21,347 INFO L246 CegarLoopResult]: For program point L280(lines 280 413) no Hoare annotation was computed. [2019-12-07 11:07:21,347 INFO L246 CegarLoopResult]: For program point L148(lines 148 413) no Hoare annotation was computed. [2019-12-07 11:07:21,348 INFO L246 CegarLoopResult]: For program point L82(lines 82 413) no Hoare annotation was computed. [2019-12-07 11:07:21,348 INFO L246 CegarLoopResult]: For program point L611(line 611) no Hoare annotation was computed. [2019-12-07 11:07:21,348 INFO L246 CegarLoopResult]: For program point L215(lines 215 413) no Hoare annotation was computed. [2019-12-07 11:07:21,348 INFO L246 CegarLoopResult]: For program point L83(lines 83 89) no Hoare annotation was computed. [2019-12-07 11:07:21,348 INFO L246 CegarLoopResult]: For program point L83-2(lines 83 89) no Hoare annotation was computed. [2019-12-07 11:07:21,348 INFO L246 CegarLoopResult]: For program point L546-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 11:07:21,348 INFO L246 CegarLoopResult]: For program point L480-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 11:07:21,348 INFO L246 CegarLoopResult]: For program point L414(lines 414 416) no Hoare annotation was computed. [2019-12-07 11:07:21,348 INFO L246 CegarLoopResult]: For program point L414-2(lines 29 598) no Hoare annotation was computed. [2019-12-07 11:07:21,348 INFO L246 CegarLoopResult]: For program point L547(line 547) no Hoare annotation was computed. [2019-12-07 11:07:21,348 INFO L246 CegarLoopResult]: For program point L481(line 481) no Hoare annotation was computed. [2019-12-07 11:07:21,348 INFO L246 CegarLoopResult]: For program point L415(line 415) no Hoare annotation was computed. [2019-12-07 11:07:21,348 INFO L246 CegarLoopResult]: For program point L349(lines 349 413) no Hoare annotation was computed. [2019-12-07 11:07:21,349 INFO L246 CegarLoopResult]: For program point L283(lines 283 413) no Hoare annotation was computed. [2019-12-07 11:07:21,349 INFO L246 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-12-07 11:07:21,349 INFO L246 CegarLoopResult]: For program point L218(lines 218 413) no Hoare annotation was computed. [2019-12-07 11:07:21,349 INFO L246 CegarLoopResult]: For program point L549-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 11:07:21,349 INFO L246 CegarLoopResult]: For program point L483-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 11:07:21,349 INFO L246 CegarLoopResult]: For program point L417-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 11:07:21,349 INFO L246 CegarLoopResult]: For program point L550(line 550) no Hoare annotation was computed. [2019-12-07 11:07:21,349 INFO L246 CegarLoopResult]: For program point L484(line 484) no Hoare annotation was computed. [2019-12-07 11:07:21,349 INFO L246 CegarLoopResult]: For program point L418(line 418) no Hoare annotation was computed. [2019-12-07 11:07:21,350 INFO L246 CegarLoopResult]: For program point L286(lines 286 413) no Hoare annotation was computed. [2019-12-07 11:07:21,350 INFO L246 CegarLoopResult]: For program point L154(lines 154 413) no Hoare annotation was computed. [2019-12-07 11:07:21,350 INFO L246 CegarLoopResult]: For program point L552-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 11:07:21,350 INFO L246 CegarLoopResult]: For program point L486-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 11:07:21,350 INFO L246 CegarLoopResult]: For program point L420-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 11:07:21,350 INFO L246 CegarLoopResult]: For program point L354(lines 354 413) no Hoare annotation was computed. [2019-12-07 11:07:21,350 INFO L246 CegarLoopResult]: For program point L553(line 553) no Hoare annotation was computed. [2019-12-07 11:07:21,350 INFO L246 CegarLoopResult]: For program point L487(line 487) no Hoare annotation was computed. [2019-12-07 11:07:21,350 INFO L246 CegarLoopResult]: For program point L421(line 421) no Hoare annotation was computed. [2019-12-07 11:07:21,350 INFO L246 CegarLoopResult]: For program point L223(lines 223 413) no Hoare annotation was computed. [2019-12-07 11:07:21,351 INFO L246 CegarLoopResult]: For program point L91(lines 91 413) no Hoare annotation was computed. [2019-12-07 11:07:21,351 INFO L246 CegarLoopResult]: For program point L555-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 11:07:21,351 INFO L246 CegarLoopResult]: For program point L489-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 11:07:21,351 INFO L246 CegarLoopResult]: For program point L423-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 11:07:21,351 INFO L246 CegarLoopResult]: For program point L291(lines 291 413) no Hoare annotation was computed. [2019-12-07 11:07:21,351 INFO L246 CegarLoopResult]: For program point L225(lines 225 413) no Hoare annotation was computed. [2019-12-07 11:07:21,351 INFO L246 CegarLoopResult]: For program point L159(lines 159 413) no Hoare annotation was computed. [2019-12-07 11:07:21,351 INFO L246 CegarLoopResult]: For program point L556(line 556) no Hoare annotation was computed. [2019-12-07 11:07:21,351 INFO L246 CegarLoopResult]: For program point L490(line 490) no Hoare annotation was computed. [2019-12-07 11:07:21,351 INFO L246 CegarLoopResult]: For program point L424(line 424) no Hoare annotation was computed. [2019-12-07 11:07:21,351 INFO L246 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-12-07 11:07:21,351 INFO L246 CegarLoopResult]: For program point L293(lines 293 413) no Hoare annotation was computed. [2019-12-07 11:07:21,351 INFO L246 CegarLoopResult]: For program point L95(lines 95 413) no Hoare annotation was computed. [2019-12-07 11:07:21,351 INFO L246 CegarLoopResult]: For program point L558-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 11:07:21,351 INFO L246 CegarLoopResult]: For program point L492-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 11:07:21,351 INFO L246 CegarLoopResult]: For program point L426-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 11:07:21,352 INFO L246 CegarLoopResult]: For program point L30(lines 30 413) no Hoare annotation was computed. [2019-12-07 11:07:21,352 INFO L246 CegarLoopResult]: For program point L559(line 559) no Hoare annotation was computed. [2019-12-07 11:07:21,352 INFO L246 CegarLoopResult]: For program point L493(line 493) no Hoare annotation was computed. [2019-12-07 11:07:21,352 INFO L246 CegarLoopResult]: For program point L427(line 427) no Hoare annotation was computed. [2019-12-07 11:07:21,352 INFO L246 CegarLoopResult]: For program point L361(lines 361 413) no Hoare annotation was computed. [2019-12-07 11:07:21,352 INFO L246 CegarLoopResult]: For program point L561-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 11:07:21,352 INFO L246 CegarLoopResult]: For program point L495-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 11:07:21,352 INFO L246 CegarLoopResult]: For program point L429-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 11:07:21,352 INFO L246 CegarLoopResult]: For program point L297(lines 297 413) no Hoare annotation was computed. [2019-12-07 11:07:21,352 INFO L246 CegarLoopResult]: For program point L165(lines 165 413) no Hoare annotation was computed. [2019-12-07 11:07:21,352 INFO L246 CegarLoopResult]: For program point L99(lines 99 413) no Hoare annotation was computed. [2019-12-07 11:07:21,352 INFO L246 CegarLoopResult]: For program point L562(line 562) no Hoare annotation was computed. [2019-12-07 11:07:21,352 INFO L246 CegarLoopResult]: For program point L496(line 496) no Hoare annotation was computed. [2019-12-07 11:07:21,352 INFO L246 CegarLoopResult]: For program point L430(line 430) no Hoare annotation was computed. [2019-12-07 11:07:21,352 INFO L246 CegarLoopResult]: For program point L298(lines 298 307) no Hoare annotation was computed. [2019-12-07 11:07:21,352 INFO L246 CegarLoopResult]: For program point L232(lines 232 413) no Hoare annotation was computed. [2019-12-07 11:07:21,352 INFO L246 CegarLoopResult]: For program point L298-2(lines 298 307) no Hoare annotation was computed. [2019-12-07 11:07:21,352 INFO L246 CegarLoopResult]: For program point L35(lines 35 413) no Hoare annotation was computed. [2019-12-07 11:07:21,367 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.12 11:07:21 BoogieIcfgContainer [2019-12-07 11:07:21,368 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-07 11:07:21,368 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 11:07:21,368 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 11:07:21,368 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 11:07:21,368 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 11:07:17" (3/4) ... [2019-12-07 11:07:21,371 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-12-07 11:07:21,387 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2019-12-07 11:07:21,389 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-12-07 11:07:21,487 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_e20f2720-8c47-4e07-b094-45d35017a53e/bin/uautomizer/witness.graphml [2019-12-07 11:07:21,487 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 11:07:21,489 INFO L168 Benchmark]: Toolchain (without parser) took 5239.79 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 220.7 MB). Free memory was 934.0 MB in the beginning and 1.1 GB in the end (delta: -154.8 MB). Peak memory consumption was 65.9 MB. Max. memory is 11.5 GB. [2019-12-07 11:07:21,489 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 955.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 11:07:21,490 INFO L168 Benchmark]: CACSL2BoogieTranslator took 337.70 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 99.6 MB). Free memory was 934.0 MB in the beginning and 1.1 GB in the end (delta: -138.7 MB). Peak memory consumption was 18.3 MB. Max. memory is 11.5 GB. [2019-12-07 11:07:21,490 INFO L168 Benchmark]: Boogie Procedure Inliner took 49.12 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-12-07 11:07:21,490 INFO L168 Benchmark]: Boogie Preprocessor took 38.70 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-12-07 11:07:21,491 INFO L168 Benchmark]: RCFGBuilder took 670.81 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 950.6 MB in the end (delta: 111.3 MB). Peak memory consumption was 111.3 MB. Max. memory is 11.5 GB. [2019-12-07 11:07:21,491 INFO L168 Benchmark]: TraceAbstraction took 4020.34 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 121.1 MB). Free memory was 950.6 MB in the beginning and 1.1 GB in the end (delta: -157.0 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 11:07:21,491 INFO L168 Benchmark]: Witness Printer took 119.67 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: 18.8 MB). Peak memory consumption was 18.8 MB. Max. memory is 11.5 GB. [2019-12-07 11:07:21,493 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 955.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 337.70 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 99.6 MB). Free memory was 934.0 MB in the beginning and 1.1 GB in the end (delta: -138.7 MB). Peak memory consumption was 18.3 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 49.12 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 38.70 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 670.81 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 950.6 MB in the end (delta: 111.3 MB). Peak memory consumption was 111.3 MB. Max. memory is 11.5 GB. * TraceAbstraction took 4020.34 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 121.1 MB). Free memory was 950.6 MB in the beginning and 1.1 GB in the end (delta: -157.0 MB). There was no memory consumed. Max. memory is 11.5 GB. * Witness Printer took 119.67 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: 18.8 MB). Peak memory consumption was 18.8 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 583]: 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: 600]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 606]: Loop Invariant Derived loop invariant: ((!(a28 == 8) && !(a28 == 11)) || (((a17 == 8 && a19 == 1) && a21 == 1) && !(a28 == 11))) || !(a11 == 1) - InvariantResult [Line: 29]: Loop Invariant Derived loop invariant: ((!(a28 == 8) && !(a28 == 11)) || (((a17 == 8 && a19 == 1) && a21 == 1) && !(a28 == 11))) || !(a11 == 1) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 227 locations, 1 error locations. Result: SAFE, OverallTime: 3.8s, OverallIterations: 5, TraceHistogramMax: 4, AutomataDifference: 2.9s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.1s, HoareTripleCheckerStatistics: 340 SDtfs, 1306 SDslu, 182 SDs, 0 SdLazy, 3472 SolverSat, 748 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 17 GetRequests, 6 SyntacticMatches, 1 SemanticMatches, 10 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2132occurred in iteration=4, 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, 1156 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 48 NumberOfFragments, 57 HoareAnnotationTreeSize, 3 FomulaSimplifications, 1034 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 3 FomulaSimplificationsInter, 272 FormulaSimplificationTreeSizeReductionInter, 0.0s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.3s InterpolantComputationTime, 831 NumberOfCodeBlocks, 831 NumberOfCodeBlocksAsserted, 5 NumberOfCheckSat, 826 ConstructedInterpolants, 0 QuantifiedInterpolants, 476868 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 5 InterpolantComputations, 5 PerfectInterpolantSequences, 174/174 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...