./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem02_label15.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_cfb9a0e1-0c8a-4c47-9193-61baf30e60bb/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_cfb9a0e1-0c8a-4c47-9193-61baf30e60bb/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_cfb9a0e1-0c8a-4c47-9193-61baf30e60bb/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_cfb9a0e1-0c8a-4c47-9193-61baf30e60bb/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem02_label15.c -s /tmp/vcloud-vcloud-master/worker/run_dir_cfb9a0e1-0c8a-4c47-9193-61baf30e60bb/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_cfb9a0e1-0c8a-4c47-9193-61baf30e60bb/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 a36e59b73de737948c8406f65f182e859a67435b ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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 12:02:58,715 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-07 12:02:58,716 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-07 12:02:58,723 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-07 12:02:58,724 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-07 12:02:58,724 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-07 12:02:58,725 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-07 12:02:58,727 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-07 12:02:58,728 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-07 12:02:58,728 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-07 12:02:58,729 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-07 12:02:58,730 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-07 12:02:58,730 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-07 12:02:58,731 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-07 12:02:58,731 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-07 12:02:58,732 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-07 12:02:58,733 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-07 12:02:58,733 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-07 12:02:58,735 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-07 12:02:58,737 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-07 12:02:58,738 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-07 12:02:58,738 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-07 12:02:58,739 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-07 12:02:58,739 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-07 12:02:58,741 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-07 12:02:58,741 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-07 12:02:58,742 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-07 12:02:58,742 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-07 12:02:58,742 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-07 12:02:58,743 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-07 12:02:58,743 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-07 12:02:58,743 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-07 12:02:58,744 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-07 12:02:58,744 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-07 12:02:58,745 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-07 12:02:58,745 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-07 12:02:58,745 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-07 12:02:58,746 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-07 12:02:58,746 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-07 12:02:58,746 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-07 12:02:58,747 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-07 12:02:58,747 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_cfb9a0e1-0c8a-4c47-9193-61baf30e60bb/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-12-07 12:02:58,756 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-07 12:02:58,756 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-07 12:02:58,757 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-07 12:02:58,757 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-07 12:02:58,757 INFO L138 SettingsManager]: * Use SBE=true [2019-12-07 12:02:58,757 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-07 12:02:58,757 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-07 12:02:58,757 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-07 12:02:58,758 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-07 12:02:58,758 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-07 12:02:58,758 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-07 12:02:58,758 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-07 12:02:58,758 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-07 12:02:58,758 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-07 12:02:58,758 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-07 12:02:58,758 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-07 12:02:58,758 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-07 12:02:58,758 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-07 12:02:58,759 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-12-07 12:02:58,759 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-07 12:02:58,759 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-12-07 12:02:58,759 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-12-07 12:02:58,759 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-07 12:02:58,759 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-07 12:02:58,759 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-07 12:02:58,759 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-12-07 12:02:58,760 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-07 12:02:58,760 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-07 12:02:58,760 INFO L138 SettingsManager]: * Trace refinement exception blacklist=NONE [2019-12-07 12:02:58,760 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_cfb9a0e1-0c8a-4c47-9193-61baf30e60bb/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 -> a36e59b73de737948c8406f65f182e859a67435b [2019-12-07 12:02:58,859 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-07 12:02:58,868 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-07 12:02:58,871 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-07 12:02:58,872 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-07 12:02:58,872 INFO L275 PluginConnector]: CDTParser initialized [2019-12-07 12:02:58,873 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_cfb9a0e1-0c8a-4c47-9193-61baf30e60bb/bin/uautomizer/../../sv-benchmarks/c/eca-rers2012/Problem02_label15.c [2019-12-07 12:02:58,917 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_cfb9a0e1-0c8a-4c47-9193-61baf30e60bb/bin/uautomizer/data/36ce8e8fa/17050ae433a245a2a878e430c0d3bd6f/FLAG8c4345e78 [2019-12-07 12:02:59,376 INFO L306 CDTParser]: Found 1 translation units. [2019-12-07 12:02:59,376 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_cfb9a0e1-0c8a-4c47-9193-61baf30e60bb/sv-benchmarks/c/eca-rers2012/Problem02_label15.c [2019-12-07 12:02:59,384 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_cfb9a0e1-0c8a-4c47-9193-61baf30e60bb/bin/uautomizer/data/36ce8e8fa/17050ae433a245a2a878e430c0d3bd6f/FLAG8c4345e78 [2019-12-07 12:02:59,393 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_cfb9a0e1-0c8a-4c47-9193-61baf30e60bb/bin/uautomizer/data/36ce8e8fa/17050ae433a245a2a878e430c0d3bd6f [2019-12-07 12:02:59,395 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-07 12:02:59,396 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-07 12:02:59,397 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-07 12:02:59,397 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-07 12:02:59,399 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-07 12:02:59,400 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 12:02:59" (1/1) ... [2019-12-07 12:02:59,401 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 12:02:59, skipping insertion in model container [2019-12-07 12:02:59,402 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 07.12 12:02:59" (1/1) ... [2019-12-07 12:02:59,406 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-07 12:02:59,436 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-07 12:02:59,664 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 12:02:59,667 INFO L203 MainTranslator]: Completed pre-run [2019-12-07 12:02:59,717 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-07 12:02:59,727 INFO L208 MainTranslator]: Completed translation [2019-12-07 12:02:59,728 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:02:59 WrapperNode [2019-12-07 12:02:59,728 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-07 12:02:59,728 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-07 12:02:59,728 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-07 12:02:59,728 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-07 12:02:59,734 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:02:59" (1/1) ... [2019-12-07 12:02:59,746 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:02:59" (1/1) ... [2019-12-07 12:02:59,776 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-07 12:02:59,777 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-07 12:02:59,777 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-07 12:02:59,777 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-07 12:02:59,783 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:02:59" (1/1) ... [2019-12-07 12:02:59,783 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:02:59" (1/1) ... [2019-12-07 12:02:59,786 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:02:59" (1/1) ... [2019-12-07 12:02:59,787 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:02:59" (1/1) ... [2019-12-07 12:02:59,800 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:02:59" (1/1) ... [2019-12-07 12:02:59,808 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:02:59" (1/1) ... [2019-12-07 12:02:59,812 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:02:59" (1/1) ... [2019-12-07 12:02:59,816 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-07 12:02:59,817 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-07 12:02:59,817 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-07 12:02:59,817 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-07 12:02:59,817 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:02:59" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_cfb9a0e1-0c8a-4c47-9193-61baf30e60bb/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 12:02:59,858 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-07 12:02:59,858 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-07 12:03:00,456 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-07 12:03:00,456 INFO L287 CfgBuilder]: Removed 7 assume(true) statements. [2019-12-07 12:03:00,457 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 12:03:00 BoogieIcfgContainer [2019-12-07 12:03:00,457 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-07 12:03:00,458 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-12-07 12:03:00,458 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-12-07 12:03:00,460 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-12-07 12:03:00,460 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 07.12 12:02:59" (1/3) ... [2019-12-07 12:03:00,461 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 12:03:00, skipping insertion in model container [2019-12-07 12:03:00,461 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 07.12 12:02:59" (2/3) ... [2019-12-07 12:03:00,461 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 12:03:00, skipping insertion in model container [2019-12-07 12:03:00,461 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 12:03:00" (3/3) ... [2019-12-07 12:03:00,462 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem02_label15.c [2019-12-07 12:03:00,469 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-12-07 12:03:00,474 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-12-07 12:03:00,482 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-12-07 12:03:00,499 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-12-07 12:03:00,499 INFO L374 AbstractCegarLoop]: Hoare is true [2019-12-07 12:03:00,499 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-12-07 12:03:00,499 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-12-07 12:03:00,500 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-12-07 12:03:00,500 INFO L378 AbstractCegarLoop]: Difference is false [2019-12-07 12:03:00,500 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-12-07 12:03:00,500 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-12-07 12:03:00,517 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states. [2019-12-07 12:03:00,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2019-12-07 12:03:00,528 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 12:03:00,528 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] [2019-12-07 12:03:00,529 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 12:03:00,532 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 12:03:00,533 INFO L82 PathProgramCache]: Analyzing trace with hash -648019827, now seen corresponding path program 1 times [2019-12-07 12:03:00,539 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 12:03:00,539 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [640509742] [2019-12-07 12:03:00,539 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 12:03:00,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:03:00,833 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 12:03:00,834 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [640509742] [2019-12-07 12:03:00,834 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 12:03:00,834 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-07 12:03:00,835 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1253008831] [2019-12-07 12:03:00,839 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-07 12:03:00,839 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 12:03:00,848 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 12:03:00,849 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 12:03:00,850 INFO L87 Difference]: Start difference. First operand 227 states. Second operand 4 states. [2019-12-07 12:03:01,650 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 12:03:01,650 INFO L93 Difference]: Finished difference Result 789 states and 1377 transitions. [2019-12-07 12:03:01,650 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-12-07 12:03:01,651 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 130 [2019-12-07 12:03:01,652 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 12:03:01,665 INFO L225 Difference]: With dead ends: 789 [2019-12-07 12:03:01,665 INFO L226 Difference]: Without dead ends: 465 [2019-12-07 12:03:01,669 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 12:03:01,682 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 465 states. [2019-12-07 12:03:01,711 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 465 to 309. [2019-12-07 12:03:01,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 309 states. [2019-12-07 12:03:01,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 309 states to 309 states and 453 transitions. [2019-12-07 12:03:01,715 INFO L78 Accepts]: Start accepts. Automaton has 309 states and 453 transitions. Word has length 130 [2019-12-07 12:03:01,715 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 12:03:01,715 INFO L462 AbstractCegarLoop]: Abstraction has 309 states and 453 transitions. [2019-12-07 12:03:01,715 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-07 12:03:01,715 INFO L276 IsEmpty]: Start isEmpty. Operand 309 states and 453 transitions. [2019-12-07 12:03:01,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2019-12-07 12:03:01,719 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 12:03:01,719 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] [2019-12-07 12:03:01,720 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 12:03:01,720 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 12:03:01,720 INFO L82 PathProgramCache]: Analyzing trace with hash 208795960, now seen corresponding path program 1 times [2019-12-07 12:03:01,720 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 12:03:01,721 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1992499844] [2019-12-07 12:03:01,721 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 12:03:01,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:03:01,893 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 12:03:01,893 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1992499844] [2019-12-07 12:03:01,894 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 12:03:01,894 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-07 12:03:01,894 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1139821279] [2019-12-07 12:03:01,895 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-07 12:03:01,895 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 12:03:01,895 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 12:03:01,895 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 12:03:01,896 INFO L87 Difference]: Start difference. First operand 309 states and 453 transitions. Second operand 4 states. [2019-12-07 12:03:02,367 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 12:03:02,367 INFO L93 Difference]: Finished difference Result 980 states and 1479 transitions. [2019-12-07 12:03:02,368 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-12-07 12:03:02,368 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 134 [2019-12-07 12:03:02,368 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 12:03:02,371 INFO L225 Difference]: With dead ends: 980 [2019-12-07 12:03:02,371 INFO L226 Difference]: Without dead ends: 590 [2019-12-07 12:03:02,373 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 12:03:02,373 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 590 states. [2019-12-07 12:03:02,389 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 590 to 590. [2019-12-07 12:03:02,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 590 states. [2019-12-07 12:03:02,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 590 states to 590 states and 788 transitions. [2019-12-07 12:03:02,391 INFO L78 Accepts]: Start accepts. Automaton has 590 states and 788 transitions. Word has length 134 [2019-12-07 12:03:02,391 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 12:03:02,391 INFO L462 AbstractCegarLoop]: Abstraction has 590 states and 788 transitions. [2019-12-07 12:03:02,391 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-07 12:03:02,392 INFO L276 IsEmpty]: Start isEmpty. Operand 590 states and 788 transitions. [2019-12-07 12:03:02,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2019-12-07 12:03:02,395 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 12:03:02,396 INFO L410 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 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] [2019-12-07 12:03:02,396 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 12:03:02,396 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 12:03:02,396 INFO L82 PathProgramCache]: Analyzing trace with hash -402206747, now seen corresponding path program 1 times [2019-12-07 12:03:02,396 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 12:03:02,396 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1298996378] [2019-12-07 12:03:02,396 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 12:03:02,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:03:02,452 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-12-07 12:03:02,453 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1298996378] [2019-12-07 12:03:02,453 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 12:03:02,453 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-07 12:03:02,453 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [779221148] [2019-12-07 12:03:02,454 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-07 12:03:02,454 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 12:03:02,454 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 12:03:02,454 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 12:03:02,455 INFO L87 Difference]: Start difference. First operand 590 states and 788 transitions. Second operand 4 states. [2019-12-07 12:03:02,963 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 12:03:02,963 INFO L93 Difference]: Finished difference Result 2306 states and 3087 transitions. [2019-12-07 12:03:02,963 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-12-07 12:03:02,963 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 160 [2019-12-07 12:03:02,964 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 12:03:02,971 INFO L225 Difference]: With dead ends: 2306 [2019-12-07 12:03:02,971 INFO L226 Difference]: Without dead ends: 1718 [2019-12-07 12:03:02,972 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 12:03:02,974 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1718 states. [2019-12-07 12:03:03,002 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1718 to 1572. [2019-12-07 12:03:03,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1572 states. [2019-12-07 12:03:03,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1572 states to 1572 states and 1965 transitions. [2019-12-07 12:03:03,006 INFO L78 Accepts]: Start accepts. Automaton has 1572 states and 1965 transitions. Word has length 160 [2019-12-07 12:03:03,007 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 12:03:03,007 INFO L462 AbstractCegarLoop]: Abstraction has 1572 states and 1965 transitions. [2019-12-07 12:03:03,007 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-07 12:03:03,007 INFO L276 IsEmpty]: Start isEmpty. Operand 1572 states and 1965 transitions. [2019-12-07 12:03:03,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2019-12-07 12:03:03,010 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 12:03:03,010 INFO L410 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 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 12:03:03,011 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 12:03:03,011 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 12:03:03,011 INFO L82 PathProgramCache]: Analyzing trace with hash 864996295, now seen corresponding path program 1 times [2019-12-07 12:03:03,011 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 12:03:03,011 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1259202634] [2019-12-07 12:03:03,012 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 12:03:03,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:03:03,098 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 56 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-12-07 12:03:03,098 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1259202634] [2019-12-07 12:03:03,098 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 12:03:03,098 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-12-07 12:03:03,099 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [192494412] [2019-12-07 12:03:03,099 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-07 12:03:03,099 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 12:03:03,099 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 12:03:03,100 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 12:03:03,100 INFO L87 Difference]: Start difference. First operand 1572 states and 1965 transitions. Second operand 4 states. [2019-12-07 12:03:03,682 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 12:03:03,682 INFO L93 Difference]: Finished difference Result 4277 states and 5403 transitions. [2019-12-07 12:03:03,682 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-12-07 12:03:03,682 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 168 [2019-12-07 12:03:03,683 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 12:03:03,696 INFO L225 Difference]: With dead ends: 4277 [2019-12-07 12:03:03,696 INFO L226 Difference]: Without dead ends: 2707 [2019-12-07 12:03:03,698 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 12:03:03,702 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2707 states. [2019-12-07 12:03:03,727 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2707 to 1855. [2019-12-07 12:03:03,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1855 states. [2019-12-07 12:03:03,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1855 states to 1855 states and 2281 transitions. [2019-12-07 12:03:03,732 INFO L78 Accepts]: Start accepts. Automaton has 1855 states and 2281 transitions. Word has length 168 [2019-12-07 12:03:03,732 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 12:03:03,732 INFO L462 AbstractCegarLoop]: Abstraction has 1855 states and 2281 transitions. [2019-12-07 12:03:03,732 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-07 12:03:03,732 INFO L276 IsEmpty]: Start isEmpty. Operand 1855 states and 2281 transitions. [2019-12-07 12:03:03,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2019-12-07 12:03:03,735 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 12:03:03,735 INFO L410 BasicCegarLoop]: trace histogram [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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:03:03,736 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 12:03:03,736 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 12:03:03,736 INFO L82 PathProgramCache]: Analyzing trace with hash 1353288396, now seen corresponding path program 1 times [2019-12-07 12:03:03,736 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 12:03:03,736 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [549421534] [2019-12-07 12:03:03,736 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 12:03:03,746 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:03:03,833 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 45 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 12:03:03,833 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [549421534] [2019-12-07 12:03:03,833 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [766847114] [2019-12-07 12:03:03,833 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_cfb9a0e1-0c8a-4c47-9193-61baf30e60bb/bin/uautomizer/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-12-07 12:03:03,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:03:03,895 INFO L264 TraceCheckSpWp]: Trace formula consists of 279 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 12:03:03,904 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 12:03:03,965 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2019-12-07 12:03:03,966 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-12-07 12:03:03,966 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [6] total 7 [2019-12-07 12:03:03,966 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1248269989] [2019-12-07 12:03:03,966 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-07 12:03:03,966 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 12:03:03,967 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 12:03:03,967 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2019-12-07 12:03:03,967 INFO L87 Difference]: Start difference. First operand 1855 states and 2281 transitions. Second operand 3 states. [2019-12-07 12:03:04,339 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 12:03:04,339 INFO L93 Difference]: Finished difference Result 4267 states and 5231 transitions. [2019-12-07 12:03:04,339 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 12:03:04,339 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 171 [2019-12-07 12:03:04,340 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 12:03:04,348 INFO L225 Difference]: With dead ends: 4267 [2019-12-07 12:03:04,348 INFO L226 Difference]: Without dead ends: 2414 [2019-12-07 12:03:04,350 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 176 GetRequests, 170 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2019-12-07 12:03:04,352 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2414 states. [2019-12-07 12:03:04,376 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2414 to 1994. [2019-12-07 12:03:04,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1994 states. [2019-12-07 12:03:04,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1994 states to 1994 states and 2442 transitions. [2019-12-07 12:03:04,381 INFO L78 Accepts]: Start accepts. Automaton has 1994 states and 2442 transitions. Word has length 171 [2019-12-07 12:03:04,381 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 12:03:04,381 INFO L462 AbstractCegarLoop]: Abstraction has 1994 states and 2442 transitions. [2019-12-07 12:03:04,381 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-07 12:03:04,381 INFO L276 IsEmpty]: Start isEmpty. Operand 1994 states and 2442 transitions. [2019-12-07 12:03:04,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2019-12-07 12:03:04,384 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 12:03:04,385 INFO L410 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:03:04,585 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-12-07 12:03:04,585 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 12:03:04,586 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 12:03:04,586 INFO L82 PathProgramCache]: Analyzing trace with hash 141468647, now seen corresponding path program 1 times [2019-12-07 12:03:04,586 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 12:03:04,586 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [878054075] [2019-12-07 12:03:04,586 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 12:03:04,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:03:04,633 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 66 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-12-07 12:03:04,633 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [878054075] [2019-12-07 12:03:04,633 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 12:03:04,633 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-07 12:03:04,634 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1515202718] [2019-12-07 12:03:04,634 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-07 12:03:04,634 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 12:03:04,634 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 12:03:04,634 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 12:03:04,635 INFO L87 Difference]: Start difference. First operand 1994 states and 2442 transitions. Second operand 3 states. [2019-12-07 12:03:04,972 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 12:03:04,972 INFO L93 Difference]: Finished difference Result 4272 states and 5182 transitions. [2019-12-07 12:03:04,972 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 12:03:04,972 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 181 [2019-12-07 12:03:04,973 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 12:03:04,983 INFO L225 Difference]: With dead ends: 4272 [2019-12-07 12:03:04,983 INFO L226 Difference]: Without dead ends: 2140 [2019-12-07 12:03:04,985 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 12:03:04,988 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2140 states. [2019-12-07 12:03:05,019 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2140 to 1994. [2019-12-07 12:03:05,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1994 states. [2019-12-07 12:03:05,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1994 states to 1994 states and 2341 transitions. [2019-12-07 12:03:05,022 INFO L78 Accepts]: Start accepts. Automaton has 1994 states and 2341 transitions. Word has length 181 [2019-12-07 12:03:05,022 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 12:03:05,022 INFO L462 AbstractCegarLoop]: Abstraction has 1994 states and 2341 transitions. [2019-12-07 12:03:05,022 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-07 12:03:05,022 INFO L276 IsEmpty]: Start isEmpty. Operand 1994 states and 2341 transitions. [2019-12-07 12:03:05,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2019-12-07 12:03:05,025 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 12:03:05,026 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:03:05,026 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 12:03:05,026 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 12:03:05,026 INFO L82 PathProgramCache]: Analyzing trace with hash -99265028, now seen corresponding path program 1 times [2019-12-07 12:03:05,026 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 12:03:05,026 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1761381418] [2019-12-07 12:03:05,026 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 12:03:05,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:03:05,066 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 78 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-12-07 12:03:05,066 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1761381418] [2019-12-07 12:03:05,066 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 12:03:05,067 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-12-07 12:03:05,067 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1267857281] [2019-12-07 12:03:05,067 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-07 12:03:05,067 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 12:03:05,067 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 12:03:05,067 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 12:03:05,067 INFO L87 Difference]: Start difference. First operand 1994 states and 2341 transitions. Second operand 3 states. [2019-12-07 12:03:05,389 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 12:03:05,389 INFO L93 Difference]: Finished difference Result 4822 states and 5634 transitions. [2019-12-07 12:03:05,389 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 12:03:05,389 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 183 [2019-12-07 12:03:05,389 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 12:03:05,397 INFO L225 Difference]: With dead ends: 4822 [2019-12-07 12:03:05,397 INFO L226 Difference]: Without dead ends: 2129 [2019-12-07 12:03:05,399 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-12-07 12:03:05,401 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2129 states. [2019-12-07 12:03:05,424 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2129 to 1989. [2019-12-07 12:03:05,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1989 states. [2019-12-07 12:03:05,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1989 states to 1989 states and 2227 transitions. [2019-12-07 12:03:05,427 INFO L78 Accepts]: Start accepts. Automaton has 1989 states and 2227 transitions. Word has length 183 [2019-12-07 12:03:05,427 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 12:03:05,427 INFO L462 AbstractCegarLoop]: Abstraction has 1989 states and 2227 transitions. [2019-12-07 12:03:05,427 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-07 12:03:05,427 INFO L276 IsEmpty]: Start isEmpty. Operand 1989 states and 2227 transitions. [2019-12-07 12:03:05,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2019-12-07 12:03:05,430 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 12:03:05,431 INFO L410 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 3, 3, 3, 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] [2019-12-07 12:03:05,431 INFO L410 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 12:03:05,431 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 12:03:05,431 INFO L82 PathProgramCache]: Analyzing trace with hash 1648518522, now seen corresponding path program 1 times [2019-12-07 12:03:05,431 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 12:03:05,431 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [760107289] [2019-12-07 12:03:05,431 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 12:03:05,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:03:05,558 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 86 proven. 3 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2019-12-07 12:03:05,559 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [760107289] [2019-12-07 12:03:05,559 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [245648315] [2019-12-07 12:03:05,559 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_cfb9a0e1-0c8a-4c47-9193-61baf30e60bb/bin/uautomizer/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-12-07 12:03:05,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:03:05,623 INFO L264 TraceCheckSpWp]: Trace formula consists of 362 conjuncts, 2 conjunts are in the unsatisfiable core [2019-12-07 12:03:05,629 INFO L287 TraceCheckSpWp]: Computing forward predicates... [2019-12-07 12:03:05,659 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 65 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2019-12-07 12:03:05,659 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-12-07 12:03:05,659 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [6] total 7 [2019-12-07 12:03:05,659 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [824793444] [2019-12-07 12:03:05,660 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-12-07 12:03:05,660 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 12:03:05,660 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-12-07 12:03:05,660 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2019-12-07 12:03:05,660 INFO L87 Difference]: Start difference. First operand 1989 states and 2227 transitions. Second operand 3 states. [2019-12-07 12:03:05,804 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 12:03:05,804 INFO L93 Difference]: Finished difference Result 3545 states and 3921 transitions. [2019-12-07 12:03:05,804 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-12-07 12:03:05,804 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 198 [2019-12-07 12:03:05,804 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 12:03:05,808 INFO L225 Difference]: With dead ends: 3545 [2019-12-07 12:03:05,808 INFO L226 Difference]: Without dead ends: 1274 [2019-12-07 12:03:05,810 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 203 GetRequests, 197 SyntacticMatches, 0 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=20, Invalid=36, Unknown=0, NotChecked=0, Total=56 [2019-12-07 12:03:05,811 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1274 states. [2019-12-07 12:03:05,822 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1274 to 1274. [2019-12-07 12:03:05,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1274 states. [2019-12-07 12:03:05,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1274 states to 1274 states and 1372 transitions. [2019-12-07 12:03:05,823 INFO L78 Accepts]: Start accepts. Automaton has 1274 states and 1372 transitions. Word has length 198 [2019-12-07 12:03:05,823 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 12:03:05,824 INFO L462 AbstractCegarLoop]: Abstraction has 1274 states and 1372 transitions. [2019-12-07 12:03:05,824 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-12-07 12:03:05,824 INFO L276 IsEmpty]: Start isEmpty. Operand 1274 states and 1372 transitions. [2019-12-07 12:03:05,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 204 [2019-12-07 12:03:05,826 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 12:03:05,826 INFO L410 BasicCegarLoop]: trace histogram [3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:03:06,027 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-12-07 12:03:06,027 INFO L410 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 12:03:06,027 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 12:03:06,027 INFO L82 PathProgramCache]: Analyzing trace with hash -1576967456, now seen corresponding path program 1 times [2019-12-07 12:03:06,027 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 12:03:06,028 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1384612532] [2019-12-07 12:03:06,028 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 12:03:06,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:03:06,166 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 76 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 12:03:06,166 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1384612532] [2019-12-07 12:03:06,167 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 12:03:06,167 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-12-07 12:03:06,167 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1082235575] [2019-12-07 12:03:06,167 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-12-07 12:03:06,167 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 12:03:06,167 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-12-07 12:03:06,167 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2019-12-07 12:03:06,168 INFO L87 Difference]: Start difference. First operand 1274 states and 1372 transitions. Second operand 7 states. [2019-12-07 12:03:06,849 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 12:03:06,849 INFO L93 Difference]: Finished difference Result 2710 states and 2934 transitions. [2019-12-07 12:03:06,849 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-12-07 12:03:06,849 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 203 [2019-12-07 12:03:06,849 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 12:03:06,853 INFO L225 Difference]: With dead ends: 2710 [2019-12-07 12:03:06,853 INFO L226 Difference]: Without dead ends: 1295 [2019-12-07 12:03:06,854 INFO L630 BasicCegarLoop]: 0 DeclaredPredicates, 8 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2019-12-07 12:03:06,855 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1295 states. [2019-12-07 12:03:06,866 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1295 to 1274. [2019-12-07 12:03:06,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1274 states. [2019-12-07 12:03:06,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1274 states to 1274 states and 1333 transitions. [2019-12-07 12:03:06,868 INFO L78 Accepts]: Start accepts. Automaton has 1274 states and 1333 transitions. Word has length 203 [2019-12-07 12:03:06,868 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 12:03:06,868 INFO L462 AbstractCegarLoop]: Abstraction has 1274 states and 1333 transitions. [2019-12-07 12:03:06,868 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-12-07 12:03:06,868 INFO L276 IsEmpty]: Start isEmpty. Operand 1274 states and 1333 transitions. [2019-12-07 12:03:06,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2019-12-07 12:03:06,870 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 12:03:06,870 INFO L410 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 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 12:03:06,871 INFO L410 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 12:03:06,871 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 12:03:06,871 INFO L82 PathProgramCache]: Analyzing trace with hash -473711658, now seen corresponding path program 1 times [2019-12-07 12:03:06,871 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 12:03:06,871 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1125496242] [2019-12-07 12:03:06,871 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 12:03:06,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:03:06,965 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 84 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-07 12:03:06,965 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1125496242] [2019-12-07 12:03:06,965 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 12:03:06,966 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-12-07 12:03:06,966 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1466406856] [2019-12-07 12:03:06,966 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-07 12:03:06,966 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 12:03:06,967 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 12:03:06,967 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 12:03:06,967 INFO L87 Difference]: Start difference. First operand 1274 states and 1333 transitions. Second operand 4 states. [2019-12-07 12:03:07,345 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 12:03:07,345 INFO L93 Difference]: Finished difference Result 2688 states and 2810 transitions. [2019-12-07 12:03:07,346 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-12-07 12:03:07,346 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 207 [2019-12-07 12:03:07,346 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 12:03:07,350 INFO L225 Difference]: With dead ends: 2688 [2019-12-07 12:03:07,350 INFO L226 Difference]: Without dead ends: 1416 [2019-12-07 12:03:07,351 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 12:03:07,352 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1416 states. [2019-12-07 12:03:07,362 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1416 to 1274. [2019-12-07 12:03:07,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1274 states. [2019-12-07 12:03:07,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1274 states to 1274 states and 1316 transitions. [2019-12-07 12:03:07,363 INFO L78 Accepts]: Start accepts. Automaton has 1274 states and 1316 transitions. Word has length 207 [2019-12-07 12:03:07,364 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 12:03:07,364 INFO L462 AbstractCegarLoop]: Abstraction has 1274 states and 1316 transitions. [2019-12-07 12:03:07,364 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-07 12:03:07,364 INFO L276 IsEmpty]: Start isEmpty. Operand 1274 states and 1316 transitions. [2019-12-07 12:03:07,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 229 [2019-12-07 12:03:07,366 INFO L402 BasicCegarLoop]: Found error trace [2019-12-07 12:03:07,366 INFO L410 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2019-12-07 12:03:07,366 INFO L410 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-12-07 12:03:07,367 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-07 12:03:07,367 INFO L82 PathProgramCache]: Analyzing trace with hash 283278328, now seen corresponding path program 1 times [2019-12-07 12:03:07,367 INFO L163 FreeRefinementEngine]: Executing refinement strategy CAMEL [2019-12-07 12:03:07,367 INFO L348 FreeRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [230431603] [2019-12-07 12:03:07,367 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-12-07 12:03:07,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-07 12:03:07,470 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 97 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2019-12-07 12:03:07,470 INFO L348 FreeRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [230431603] [2019-12-07 12:03:07,470 INFO L220 FreeRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-12-07 12:03:07,471 INFO L233 FreeRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-12-07 12:03:07,471 INFO L156 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1271964747] [2019-12-07 12:03:07,471 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-12-07 12:03:07,471 INFO L143 FreeRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-12-07 12:03:07,471 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-12-07 12:03:07,472 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-12-07 12:03:07,472 INFO L87 Difference]: Start difference. First operand 1274 states and 1316 transitions. Second operand 4 states. [2019-12-07 12:03:07,902 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-12-07 12:03:07,902 INFO L93 Difference]: Finished difference Result 2543 states and 2631 transitions. [2019-12-07 12:03:07,902 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-12-07 12:03:07,903 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 228 [2019-12-07 12:03:07,903 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-12-07 12:03:07,903 INFO L225 Difference]: With dead ends: 2543 [2019-12-07 12:03:07,903 INFO L226 Difference]: Without dead ends: 0 [2019-12-07 12:03:07,905 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 12:03:07,905 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-12-07 12:03:07,905 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-12-07 12:03:07,905 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-12-07 12:03:07,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-12-07 12:03:07,905 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 228 [2019-12-07 12:03:07,905 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-12-07 12:03:07,906 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-12-07 12:03:07,906 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-12-07 12:03:07,906 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-12-07 12:03:07,906 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-12-07 12:03:07,907 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-12-07 12:03:08,332 WARN L192 SmtUtils]: Spent 327.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 53 [2019-12-07 12:03:08,636 WARN L192 SmtUtils]: Spent 303.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 53 [2019-12-07 12:03:08,638 INFO L246 CegarLoopResult]: For program point L564-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 12:03:08,638 INFO L246 CegarLoopResult]: For program point L498-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 12:03:08,638 INFO L246 CegarLoopResult]: For program point L432-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 12:03:08,638 INFO L246 CegarLoopResult]: For program point L234(lines 234 413) no Hoare annotation was computed. [2019-12-07 12:03:08,638 INFO L246 CegarLoopResult]: For program point L565(line 565) no Hoare annotation was computed. [2019-12-07 12:03:08,638 INFO L246 CegarLoopResult]: For program point L499(line 499) no Hoare annotation was computed. [2019-12-07 12:03:08,639 INFO L246 CegarLoopResult]: For program point L433(line 433) no Hoare annotation was computed. [2019-12-07 12:03:08,639 INFO L246 CegarLoopResult]: For program point L169(lines 169 413) no Hoare annotation was computed. [2019-12-07 12:03:08,639 INFO L246 CegarLoopResult]: For program point L368(lines 368 413) no Hoare annotation was computed. [2019-12-07 12:03:08,639 INFO L246 CegarLoopResult]: For program point L38(lines 38 413) no Hoare annotation was computed. [2019-12-07 12:03:08,639 INFO L246 CegarLoopResult]: For program point L567-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 12:03:08,639 INFO L246 CegarLoopResult]: For program point L501-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 12:03:08,639 INFO L246 CegarLoopResult]: For program point L435-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 12:03:08,639 INFO L246 CegarLoopResult]: For program point L237(lines 237 413) no Hoare annotation was computed. [2019-12-07 12:03:08,639 INFO L246 CegarLoopResult]: For program point L568(line 568) no Hoare annotation was computed. [2019-12-07 12:03:08,639 INFO L246 CegarLoopResult]: For program point L502(line 502) no Hoare annotation was computed. [2019-12-07 12:03:08,639 INFO L246 CegarLoopResult]: For program point L436(line 436) no Hoare annotation was computed. [2019-12-07 12:03:08,639 INFO L246 CegarLoopResult]: For program point L238(lines 238 246) no Hoare annotation was computed. [2019-12-07 12:03:08,639 INFO L246 CegarLoopResult]: For program point L238-2(lines 238 246) no Hoare annotation was computed. [2019-12-07 12:03:08,639 INFO L246 CegarLoopResult]: For program point L106(lines 106 413) no Hoare annotation was computed. [2019-12-07 12:03:08,639 INFO L246 CegarLoopResult]: For program point L570-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 12:03:08,639 INFO L246 CegarLoopResult]: For program point L504-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 12:03:08,639 INFO L246 CegarLoopResult]: For program point L438-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 12:03:08,639 INFO L246 CegarLoopResult]: For program point L42(lines 42 413) no Hoare annotation was computed. [2019-12-07 12:03:08,640 INFO L246 CegarLoopResult]: For program point L571(line 571) no Hoare annotation was computed. [2019-12-07 12:03:08,640 INFO L246 CegarLoopResult]: For program point L505(line 505) no Hoare annotation was computed. [2019-12-07 12:03:08,640 INFO L246 CegarLoopResult]: For program point L439(line 439) no Hoare annotation was computed. [2019-12-07 12:03:08,640 INFO L246 CegarLoopResult]: For program point L175(lines 175 413) no Hoare annotation was computed. [2019-12-07 12:03:08,640 INFO L246 CegarLoopResult]: For program point L573-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 12:03:08,640 INFO L246 CegarLoopResult]: For program point L507-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 12:03:08,640 INFO L246 CegarLoopResult]: For program point L441-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 12:03:08,640 INFO L246 CegarLoopResult]: For program point L375(lines 375 413) no Hoare annotation was computed. [2019-12-07 12:03:08,640 INFO L246 CegarLoopResult]: For program point L309(lines 309 413) no Hoare annotation was computed. [2019-12-07 12:03:08,640 INFO L246 CegarLoopResult]: For program point L574(line 574) no Hoare annotation was computed. [2019-12-07 12:03:08,640 INFO L246 CegarLoopResult]: For program point L508(line 508) no Hoare annotation was computed. [2019-12-07 12:03:08,640 INFO L246 CegarLoopResult]: For program point L442(line 442) no Hoare annotation was computed. [2019-12-07 12:03:08,640 INFO L246 CegarLoopResult]: For program point L179(lines 179 413) no Hoare annotation was computed. [2019-12-07 12:03:08,640 INFO L246 CegarLoopResult]: For program point L113(lines 113 413) no Hoare annotation was computed. [2019-12-07 12:03:08,640 INFO L246 CegarLoopResult]: For program point L47(lines 47 413) no Hoare annotation was computed. [2019-12-07 12:03:08,640 INFO L246 CegarLoopResult]: For program point L576-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 12:03:08,640 INFO L246 CegarLoopResult]: For program point L510-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 12:03:08,640 INFO L246 CegarLoopResult]: For program point L444-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 12:03:08,640 INFO L246 CegarLoopResult]: For program point L378(lines 378 413) no Hoare annotation was computed. [2019-12-07 12:03:08,640 INFO L246 CegarLoopResult]: For program point L577(line 577) no Hoare annotation was computed. [2019-12-07 12:03:08,640 INFO L246 CegarLoopResult]: For program point L511(line 511) no Hoare annotation was computed. [2019-12-07 12:03:08,641 INFO L246 CegarLoopResult]: For program point L445(line 445) no Hoare annotation was computed. [2019-12-07 12:03:08,641 INFO L246 CegarLoopResult]: For program point L380(lines 380 413) no Hoare annotation was computed. [2019-12-07 12:03:08,641 INFO L246 CegarLoopResult]: For program point L314(lines 314 413) no Hoare annotation was computed. [2019-12-07 12:03:08,641 INFO L246 CegarLoopResult]: For program point L248(lines 248 413) no Hoare annotation was computed. [2019-12-07 12:03:08,641 INFO L246 CegarLoopResult]: For program point L50(lines 50 413) no Hoare annotation was computed. [2019-12-07 12:03:08,641 INFO L246 CegarLoopResult]: For program point L579-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 12:03:08,641 INFO L246 CegarLoopResult]: For program point L513-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 12:03:08,641 INFO L246 CegarLoopResult]: For program point L447-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 12:03:08,641 INFO L246 CegarLoopResult]: For program point L381(lines 381 387) no Hoare annotation was computed. [2019-12-07 12:03:08,641 INFO L246 CegarLoopResult]: For program point L315(lines 315 326) no Hoare annotation was computed. [2019-12-07 12:03:08,641 INFO L246 CegarLoopResult]: For program point L381-2(lines 381 387) no Hoare annotation was computed. [2019-12-07 12:03:08,641 INFO L246 CegarLoopResult]: For program point L315-2(lines 315 326) no Hoare annotation was computed. [2019-12-07 12:03:08,641 INFO L246 CegarLoopResult]: For program point L580(line 580) no Hoare annotation was computed. [2019-12-07 12:03:08,641 INFO L246 CegarLoopResult]: For program point L514(line 514) no Hoare annotation was computed. [2019-12-07 12:03:08,641 INFO L246 CegarLoopResult]: For program point L448(line 448) no Hoare annotation was computed. [2019-12-07 12:03:08,641 INFO L246 CegarLoopResult]: For program point L185(lines 185 413) no Hoare annotation was computed. [2019-12-07 12:03:08,641 INFO L246 CegarLoopResult]: For program point L119(lines 119 413) no Hoare annotation was computed. [2019-12-07 12:03:08,641 INFO L246 CegarLoopResult]: For program point L582-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 12:03:08,641 INFO L246 CegarLoopResult]: For program point L516-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 12:03:08,641 INFO L246 CegarLoopResult]: For program point L450-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 12:03:08,642 INFO L246 CegarLoopResult]: For program point L54(lines 54 413) no Hoare annotation was computed. [2019-12-07 12:03:08,642 INFO L246 CegarLoopResult]: For program point L583(line 583) no Hoare annotation was computed. [2019-12-07 12:03:08,642 INFO L246 CegarLoopResult]: For program point L517(line 517) no Hoare annotation was computed. [2019-12-07 12:03:08,642 INFO L246 CegarLoopResult]: For program point L451(line 451) no Hoare annotation was computed. [2019-12-07 12:03:08,642 INFO L246 CegarLoopResult]: For program point L253(lines 253 413) no Hoare annotation was computed. [2019-12-07 12:03:08,642 INFO L246 CegarLoopResult]: For program point L187(lines 187 413) no Hoare annotation was computed. [2019-12-07 12:03:08,642 INFO L246 CegarLoopResult]: For program point L585-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 12:03:08,642 INFO L246 CegarLoopResult]: For program point L519-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 12:03:08,642 INFO L246 CegarLoopResult]: For program point L453-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 12:03:08,642 INFO L246 CegarLoopResult]: For program point L189(lines 189 413) no Hoare annotation was computed. [2019-12-07 12:03:08,642 INFO L246 CegarLoopResult]: For program point L123(lines 123 413) no Hoare annotation was computed. [2019-12-07 12:03:08,642 INFO L246 CegarLoopResult]: For program point L586(line 586) no Hoare annotation was computed. [2019-12-07 12:03:08,642 INFO L246 CegarLoopResult]: For program point L520(line 520) no Hoare annotation was computed. [2019-12-07 12:03:08,642 INFO L246 CegarLoopResult]: For program point L454(line 454) no Hoare annotation was computed. [2019-12-07 12:03:08,642 INFO L246 CegarLoopResult]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-12-07 12:03:08,642 INFO L246 CegarLoopResult]: For program point L389(lines 389 413) no Hoare annotation was computed. [2019-12-07 12:03:08,642 INFO L246 CegarLoopResult]: For program point L191(lines 191 413) no Hoare annotation was computed. [2019-12-07 12:03:08,642 INFO L246 CegarLoopResult]: For program point L59(lines 59 413) no Hoare annotation was computed. [2019-12-07 12:03:08,642 INFO L246 CegarLoopResult]: For program point L588-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 12:03:08,642 INFO L246 CegarLoopResult]: For program point L522-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 12:03:08,642 INFO L246 CegarLoopResult]: For program point L456-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 12:03:08,643 INFO L246 CegarLoopResult]: For program point L589(line 589) no Hoare annotation was computed. [2019-12-07 12:03:08,643 INFO L246 CegarLoopResult]: For program point L523(line 523) no Hoare annotation was computed. [2019-12-07 12:03:08,643 INFO L246 CegarLoopResult]: For program point L457(line 457) no Hoare annotation was computed. [2019-12-07 12:03:08,643 INFO L246 CegarLoopResult]: For program point L259(lines 259 413) no Hoare annotation was computed. [2019-12-07 12:03:08,643 INFO L246 CegarLoopResult]: For program point L194(lines 194 413) no Hoare annotation was computed. [2019-12-07 12:03:08,643 INFO L246 CegarLoopResult]: For program point L591-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 12:03:08,643 INFO L246 CegarLoopResult]: For program point L525-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 12:03:08,643 INFO L246 CegarLoopResult]: For program point L459-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 12:03:08,643 INFO L246 CegarLoopResult]: For program point L261(lines 261 413) no Hoare annotation was computed. [2019-12-07 12:03:08,643 INFO L246 CegarLoopResult]: For program point L592(line 592) no Hoare annotation was computed. [2019-12-07 12:03:08,643 INFO L246 CegarLoopResult]: For program point L526(line 526) no Hoare annotation was computed. [2019-12-07 12:03:08,643 INFO L246 CegarLoopResult]: For program point L460(line 460) no Hoare annotation was computed. [2019-12-07 12:03:08,643 INFO L246 CegarLoopResult]: For program point L394(lines 394 413) no Hoare annotation was computed. [2019-12-07 12:03:08,643 INFO L246 CegarLoopResult]: For program point L328(lines 328 413) no Hoare annotation was computed. [2019-12-07 12:03:08,643 INFO L246 CegarLoopResult]: For program point L262(lines 262 274) no Hoare annotation was computed. [2019-12-07 12:03:08,643 INFO L246 CegarLoopResult]: For program point L262-2(lines 262 274) no Hoare annotation was computed. [2019-12-07 12:03:08,643 INFO L246 CegarLoopResult]: For program point L130(lines 130 413) no Hoare annotation was computed. [2019-12-07 12:03:08,643 INFO L246 CegarLoopResult]: For program point L65(lines 65 413) no Hoare annotation was computed. [2019-12-07 12:03:08,643 INFO L246 CegarLoopResult]: For program point L-1(line -1) no Hoare annotation was computed. [2019-12-07 12:03:08,644 INFO L246 CegarLoopResult]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 562) no Hoare annotation was computed. [2019-12-07 12:03:08,644 INFO L246 CegarLoopResult]: For program point L594-1(lines 594 596) no Hoare annotation was computed. [2019-12-07 12:03:08,644 INFO L246 CegarLoopResult]: For program point L528-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 12:03:08,644 INFO L246 CegarLoopResult]: For program point L462-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 12:03:08,644 INFO L246 CegarLoopResult]: For program point L198(lines 198 413) no Hoare annotation was computed. [2019-12-07 12:03:08,644 INFO L246 CegarLoopResult]: For program point L595(line 595) no Hoare annotation was computed. [2019-12-07 12:03:08,644 INFO L246 CegarLoopResult]: For program point L529(line 529) no Hoare annotation was computed. [2019-12-07 12:03:08,644 INFO L246 CegarLoopResult]: For program point L463(line 463) no Hoare annotation was computed. [2019-12-07 12:03:08,644 INFO L246 CegarLoopResult]: For program point L331(lines 331 413) no Hoare annotation was computed. [2019-12-07 12:03:08,644 INFO L246 CegarLoopResult]: For program point L398(lines 398 413) no Hoare annotation was computed. [2019-12-07 12:03:08,644 INFO L246 CegarLoopResult]: For program point L332(lines 332 335) no Hoare annotation was computed. [2019-12-07 12:03:08,644 INFO L246 CegarLoopResult]: For program point L332-2(lines 332 335) no Hoare annotation was computed. [2019-12-07 12:03:08,644 INFO L246 CegarLoopResult]: For program point L134(lines 134 413) no Hoare annotation was computed. [2019-12-07 12:03:08,645 INFO L242 CegarLoopResult]: At program point L597(lines 29 598) the Hoare annotation is: (let ((.cse7 (= ~a25~0 1)) (.cse5 (= ~a19~0 1))) (let ((.cse11 (= ~a28~0 9)) (.cse14 (= ~a28~0 10)) (.cse0 (not .cse5)) (.cse12 (not .cse7)) (.cse3 (not (= ~a28~0 11)))) (let ((.cse9 (or (and (<= ~a19~0 0) .cse12) (and .cse0 .cse12 .cse3))) (.cse13 (= ~a28~0 7)) (.cse4 (= ~a17~0 8)) (.cse6 (= ~a21~0 1)) (.cse10 (not .cse14)) (.cse1 (<= 8 ~a17~0)) (.cse8 (<= ~a17~0 8)) (.cse15 (not .cse11)) (.cse2 (= ~a11~0 1))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse4 .cse5 .cse6 .cse7) (and .cse8 .cse9 .cse10) (and .cse11 .cse12 .cse4 .cse6) (and .cse4 .cse13 .cse6) (and .cse2 .cse9) (and .cse13 .cse8 .cse2) (and (not (= 5 ULTIMATE.start_calculate_output_~input)) .cse14 .cse4 .cse5 .cse6) (and .cse12 .cse8 .cse2) (and .cse1 .cse8 .cse7 .cse15 .cse3 .cse10) (and .cse0 .cse1 .cse8 .cse7 .cse15 .cse3) (and .cse11 .cse0 .cse2 .cse3))))) [2019-12-07 12:03:08,645 INFO L246 CegarLoopResult]: For program point L531-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 12:03:08,645 INFO L246 CegarLoopResult]: For program point L465-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 12:03:08,645 INFO L246 CegarLoopResult]: For program point L69(lines 69 413) no Hoare annotation was computed. [2019-12-07 12:03:08,645 INFO L246 CegarLoopResult]: For program point L532(line 532) no Hoare annotation was computed. [2019-12-07 12:03:08,645 INFO L246 CegarLoopResult]: For program point L466(line 466) no Hoare annotation was computed. [2019-12-07 12:03:08,645 INFO L246 CegarLoopResult]: For program point L202(lines 202 413) no Hoare annotation was computed. [2019-12-07 12:03:08,645 INFO L246 CegarLoopResult]: For program point L203(lines 203 210) no Hoare annotation was computed. [2019-12-07 12:03:08,645 INFO L246 CegarLoopResult]: For program point L203-2(lines 203 210) no Hoare annotation was computed. [2019-12-07 12:03:08,645 INFO L249 CegarLoopResult]: At program point L600(lines 600 617) the Hoare annotation is: true [2019-12-07 12:03:08,645 INFO L246 CegarLoopResult]: For program point L534-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 12:03:08,645 INFO L246 CegarLoopResult]: For program point L468-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 12:03:08,645 INFO L246 CegarLoopResult]: For program point L402(lines 402 413) no Hoare annotation was computed. [2019-12-07 12:03:08,645 INFO L246 CegarLoopResult]: For program point L535(line 535) no Hoare annotation was computed. [2019-12-07 12:03:08,645 INFO L246 CegarLoopResult]: For program point L469(line 469) no Hoare annotation was computed. [2019-12-07 12:03:08,645 INFO L246 CegarLoopResult]: For program point L337(lines 337 413) no Hoare annotation was computed. [2019-12-07 12:03:08,645 INFO L246 CegarLoopResult]: For program point L139(lines 139 413) no Hoare annotation was computed. [2019-12-07 12:03:08,645 INFO L246 CegarLoopResult]: For program point L404(lines 404 413) no Hoare annotation was computed. [2019-12-07 12:03:08,645 INFO L246 CegarLoopResult]: For program point L338(lines 338 347) no Hoare annotation was computed. [2019-12-07 12:03:08,645 INFO L246 CegarLoopResult]: For program point L338-2(lines 338 347) no Hoare annotation was computed. [2019-12-07 12:03:08,646 INFO L246 CegarLoopResult]: For program point L74(lines 74 413) no Hoare annotation was computed. [2019-12-07 12:03:08,646 INFO L246 CegarLoopResult]: For program point L537-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 12:03:08,646 INFO L246 CegarLoopResult]: For program point L471-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 12:03:08,646 INFO L246 CegarLoopResult]: For program point L75(lines 75 80) no Hoare annotation was computed. [2019-12-07 12:03:08,646 INFO L246 CegarLoopResult]: For program point L75-2(lines 75 80) no Hoare annotation was computed. [2019-12-07 12:03:08,646 INFO L246 CegarLoopResult]: For program point L538(line 538) no Hoare annotation was computed. [2019-12-07 12:03:08,646 INFO L246 CegarLoopResult]: For program point L472(line 472) no Hoare annotation was computed. [2019-12-07 12:03:08,646 INFO L246 CegarLoopResult]: For program point L407(lines 407 413) no Hoare annotation was computed. [2019-12-07 12:03:08,646 INFO L246 CegarLoopResult]: For program point L143(lines 143 413) no Hoare annotation was computed. [2019-12-07 12:03:08,646 INFO L242 CegarLoopResult]: At program point L606-2(lines 606 616) the Hoare annotation is: (let ((.cse7 (= ~a25~0 1)) (.cse5 (= ~a19~0 1))) (let ((.cse11 (= ~a28~0 9)) (.cse14 (= ~a28~0 10)) (.cse0 (not .cse5)) (.cse12 (not .cse7)) (.cse3 (not (= ~a28~0 11)))) (let ((.cse9 (or (and (<= ~a19~0 0) .cse12) (and .cse0 .cse12 .cse3))) (.cse13 (= ~a28~0 7)) (.cse4 (= ~a17~0 8)) (.cse6 (= ~a21~0 1)) (.cse10 (not .cse14)) (.cse1 (<= 8 ~a17~0)) (.cse8 (<= ~a17~0 8)) (.cse15 (not .cse11)) (.cse2 (= ~a11~0 1))) (or (and .cse0 .cse1 .cse2 .cse3) (and .cse4 .cse5 .cse6 .cse7) (and .cse8 .cse9 .cse10) (and .cse11 .cse12 .cse4 .cse6) (and .cse4 .cse13 .cse6) (and .cse2 .cse9) (and .cse13 .cse8 .cse2) (and (not (= 5 ULTIMATE.start_calculate_output_~input)) .cse14 .cse4 .cse5 .cse6) (and .cse12 .cse8 .cse2) (and .cse1 .cse8 .cse7 .cse15 .cse3 .cse10) (and .cse0 .cse1 .cse8 .cse7 .cse15 .cse3) (and .cse11 .cse0 .cse2 .cse3))))) [2019-12-07 12:03:08,646 INFO L246 CegarLoopResult]: For program point L540-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 12:03:08,646 INFO L246 CegarLoopResult]: For program point L474-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 12:03:08,646 INFO L246 CegarLoopResult]: For program point L276(lines 276 413) no Hoare annotation was computed. [2019-12-07 12:03:08,646 INFO L246 CegarLoopResult]: For program point L541(line 541) no Hoare annotation was computed. [2019-12-07 12:03:08,646 INFO L246 CegarLoopResult]: For program point L475(line 475) no Hoare annotation was computed. [2019-12-07 12:03:08,646 INFO L246 CegarLoopResult]: For program point L409(lines 409 413) no Hoare annotation was computed. [2019-12-07 12:03:08,646 INFO L246 CegarLoopResult]: For program point L212(lines 212 413) no Hoare annotation was computed. [2019-12-07 12:03:08,647 INFO L246 CegarLoopResult]: For program point L543-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 12:03:08,647 INFO L246 CegarLoopResult]: For program point L477-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 12:03:08,647 INFO L246 CegarLoopResult]: For program point L544(line 544) no Hoare annotation was computed. [2019-12-07 12:03:08,647 INFO L246 CegarLoopResult]: For program point L478(line 478) no Hoare annotation was computed. [2019-12-07 12:03:08,647 INFO L246 CegarLoopResult]: For program point L280(lines 280 413) no Hoare annotation was computed. [2019-12-07 12:03:08,647 INFO L246 CegarLoopResult]: For program point L148(lines 148 413) no Hoare annotation was computed. [2019-12-07 12:03:08,647 INFO L246 CegarLoopResult]: For program point L82(lines 82 413) no Hoare annotation was computed. [2019-12-07 12:03:08,647 INFO L246 CegarLoopResult]: For program point L611(line 611) no Hoare annotation was computed. [2019-12-07 12:03:08,647 INFO L246 CegarLoopResult]: For program point L215(lines 215 413) no Hoare annotation was computed. [2019-12-07 12:03:08,647 INFO L246 CegarLoopResult]: For program point L83(lines 83 89) no Hoare annotation was computed. [2019-12-07 12:03:08,647 INFO L246 CegarLoopResult]: For program point L83-2(lines 83 89) no Hoare annotation was computed. [2019-12-07 12:03:08,647 INFO L246 CegarLoopResult]: For program point L546-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 12:03:08,647 INFO L246 CegarLoopResult]: For program point L480-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 12:03:08,647 INFO L246 CegarLoopResult]: For program point L414(lines 414 416) no Hoare annotation was computed. [2019-12-07 12:03:08,647 INFO L246 CegarLoopResult]: For program point L414-2(lines 29 598) no Hoare annotation was computed. [2019-12-07 12:03:08,647 INFO L246 CegarLoopResult]: For program point L547(line 547) no Hoare annotation was computed. [2019-12-07 12:03:08,647 INFO L246 CegarLoopResult]: For program point L481(line 481) no Hoare annotation was computed. [2019-12-07 12:03:08,647 INFO L246 CegarLoopResult]: For program point L415(line 415) no Hoare annotation was computed. [2019-12-07 12:03:08,647 INFO L246 CegarLoopResult]: For program point L349(lines 349 413) no Hoare annotation was computed. [2019-12-07 12:03:08,647 INFO L246 CegarLoopResult]: For program point L283(lines 283 413) no Hoare annotation was computed. [2019-12-07 12:03:08,647 INFO L246 CegarLoopResult]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-12-07 12:03:08,648 INFO L246 CegarLoopResult]: For program point L218(lines 218 413) no Hoare annotation was computed. [2019-12-07 12:03:08,648 INFO L246 CegarLoopResult]: For program point L549-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 12:03:08,648 INFO L246 CegarLoopResult]: For program point L483-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 12:03:08,648 INFO L246 CegarLoopResult]: For program point L417-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 12:03:08,648 INFO L246 CegarLoopResult]: For program point L550(line 550) no Hoare annotation was computed. [2019-12-07 12:03:08,648 INFO L246 CegarLoopResult]: For program point L484(line 484) no Hoare annotation was computed. [2019-12-07 12:03:08,648 INFO L246 CegarLoopResult]: For program point L418(line 418) no Hoare annotation was computed. [2019-12-07 12:03:08,648 INFO L246 CegarLoopResult]: For program point L286(lines 286 413) no Hoare annotation was computed. [2019-12-07 12:03:08,648 INFO L246 CegarLoopResult]: For program point L154(lines 154 413) no Hoare annotation was computed. [2019-12-07 12:03:08,648 INFO L246 CegarLoopResult]: For program point L552-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 12:03:08,648 INFO L246 CegarLoopResult]: For program point L486-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 12:03:08,648 INFO L246 CegarLoopResult]: For program point L420-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 12:03:08,648 INFO L246 CegarLoopResult]: For program point L354(lines 354 413) no Hoare annotation was computed. [2019-12-07 12:03:08,648 INFO L246 CegarLoopResult]: For program point L553(line 553) no Hoare annotation was computed. [2019-12-07 12:03:08,648 INFO L246 CegarLoopResult]: For program point L487(line 487) no Hoare annotation was computed. [2019-12-07 12:03:08,648 INFO L246 CegarLoopResult]: For program point L421(line 421) no Hoare annotation was computed. [2019-12-07 12:03:08,648 INFO L246 CegarLoopResult]: For program point L223(lines 223 413) no Hoare annotation was computed. [2019-12-07 12:03:08,648 INFO L246 CegarLoopResult]: For program point L91(lines 91 413) no Hoare annotation was computed. [2019-12-07 12:03:08,648 INFO L246 CegarLoopResult]: For program point L555-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 12:03:08,648 INFO L246 CegarLoopResult]: For program point L489-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 12:03:08,648 INFO L246 CegarLoopResult]: For program point L423-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 12:03:08,649 INFO L246 CegarLoopResult]: For program point L291(lines 291 413) no Hoare annotation was computed. [2019-12-07 12:03:08,649 INFO L246 CegarLoopResult]: For program point L225(lines 225 413) no Hoare annotation was computed. [2019-12-07 12:03:08,649 INFO L246 CegarLoopResult]: For program point L159(lines 159 413) no Hoare annotation was computed. [2019-12-07 12:03:08,649 INFO L246 CegarLoopResult]: For program point L556(line 556) no Hoare annotation was computed. [2019-12-07 12:03:08,649 INFO L246 CegarLoopResult]: For program point L490(line 490) no Hoare annotation was computed. [2019-12-07 12:03:08,649 INFO L246 CegarLoopResult]: For program point L424(line 424) no Hoare annotation was computed. [2019-12-07 12:03:08,649 INFO L246 CegarLoopResult]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-12-07 12:03:08,649 INFO L246 CegarLoopResult]: For program point L293(lines 293 413) no Hoare annotation was computed. [2019-12-07 12:03:08,649 INFO L246 CegarLoopResult]: For program point L95(lines 95 413) no Hoare annotation was computed. [2019-12-07 12:03:08,649 INFO L246 CegarLoopResult]: For program point L558-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 12:03:08,649 INFO L246 CegarLoopResult]: For program point L492-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 12:03:08,649 INFO L246 CegarLoopResult]: For program point L426-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 12:03:08,649 INFO L246 CegarLoopResult]: For program point L30(lines 30 413) no Hoare annotation was computed. [2019-12-07 12:03:08,649 INFO L246 CegarLoopResult]: For program point L559(line 559) no Hoare annotation was computed. [2019-12-07 12:03:08,649 INFO L246 CegarLoopResult]: For program point L493(line 493) no Hoare annotation was computed. [2019-12-07 12:03:08,649 INFO L246 CegarLoopResult]: For program point L427(line 427) no Hoare annotation was computed. [2019-12-07 12:03:08,649 INFO L246 CegarLoopResult]: For program point L361(lines 361 413) no Hoare annotation was computed. [2019-12-07 12:03:08,649 INFO L246 CegarLoopResult]: For program point L561-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 12:03:08,649 INFO L246 CegarLoopResult]: For program point L495-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 12:03:08,649 INFO L246 CegarLoopResult]: For program point L429-1(lines 29 598) no Hoare annotation was computed. [2019-12-07 12:03:08,649 INFO L246 CegarLoopResult]: For program point L297(lines 297 413) no Hoare annotation was computed. [2019-12-07 12:03:08,650 INFO L246 CegarLoopResult]: For program point L165(lines 165 413) no Hoare annotation was computed. [2019-12-07 12:03:08,650 INFO L246 CegarLoopResult]: For program point L99(lines 99 413) no Hoare annotation was computed. [2019-12-07 12:03:08,650 INFO L246 CegarLoopResult]: For program point L562(line 562) no Hoare annotation was computed. [2019-12-07 12:03:08,650 INFO L246 CegarLoopResult]: For program point L496(line 496) no Hoare annotation was computed. [2019-12-07 12:03:08,650 INFO L246 CegarLoopResult]: For program point L430(line 430) no Hoare annotation was computed. [2019-12-07 12:03:08,650 INFO L246 CegarLoopResult]: For program point L298(lines 298 307) no Hoare annotation was computed. [2019-12-07 12:03:08,650 INFO L246 CegarLoopResult]: For program point L232(lines 232 413) no Hoare annotation was computed. [2019-12-07 12:03:08,650 INFO L246 CegarLoopResult]: For program point L298-2(lines 298 307) no Hoare annotation was computed. [2019-12-07 12:03:08,650 INFO L246 CegarLoopResult]: For program point L35(lines 35 413) no Hoare annotation was computed. [2019-12-07 12:03:08,667 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 07.12 12:03:08 BoogieIcfgContainer [2019-12-07 12:03:08,667 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-12-07 12:03:08,667 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-07 12:03:08,667 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-07 12:03:08,667 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-07 12:03:08,668 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 07.12 12:03:00" (3/4) ... [2019-12-07 12:03:08,670 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-12-07 12:03:08,684 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2019-12-07 12:03:08,684 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-12-07 12:03:08,783 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_cfb9a0e1-0c8a-4c47-9193-61baf30e60bb/bin/uautomizer/witness.graphml [2019-12-07 12:03:08,783 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-07 12:03:08,784 INFO L168 Benchmark]: Toolchain (without parser) took 9388.44 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 328.2 MB). Free memory was 940.7 MB in the beginning and 1.1 GB in the end (delta: -200.1 MB). Peak memory consumption was 128.1 MB. Max. memory is 11.5 GB. [2019-12-07 12:03:08,785 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 1.0 GB. Free memory is still 960.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-07 12:03:08,785 INFO L168 Benchmark]: CACSL2BoogieTranslator took 331.33 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 92.3 MB). Free memory was 940.7 MB in the beginning and 1.1 GB in the end (delta: -124.5 MB). Peak memory consumption was 18.5 MB. Max. memory is 11.5 GB. [2019-12-07 12:03:08,785 INFO L168 Benchmark]: Boogie Procedure Inliner took 48.05 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 12:03:08,785 INFO L168 Benchmark]: Boogie Preprocessor took 39.94 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 12:03:08,786 INFO L168 Benchmark]: RCFGBuilder took 640.80 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 948.0 MB in the end (delta: 106.5 MB). Peak memory consumption was 106.5 MB. Max. memory is 11.5 GB. [2019-12-07 12:03:08,786 INFO L168 Benchmark]: TraceAbstraction took 8208.88 ms. Allocated memory was 1.1 GB in the beginning and 1.4 GB in the end (delta: 235.9 MB). Free memory was 942.6 MB in the beginning and 1.2 GB in the end (delta: -222.7 MB). Peak memory consumption was 383.9 MB. Max. memory is 11.5 GB. [2019-12-07 12:03:08,786 INFO L168 Benchmark]: Witness Printer took 116.35 ms. Allocated memory is still 1.4 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 24.6 MB). Peak memory consumption was 24.6 MB. Max. memory is 11.5 GB. [2019-12-07 12:03:08,787 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.20 ms. Allocated memory is still 1.0 GB. Free memory is still 960.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 331.33 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 92.3 MB). Free memory was 940.7 MB in the beginning and 1.1 GB in the end (delta: -124.5 MB). Peak memory consumption was 18.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 48.05 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 39.94 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 640.80 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 948.0 MB in the end (delta: 106.5 MB). Peak memory consumption was 106.5 MB. Max. memory is 11.5 GB. * TraceAbstraction took 8208.88 ms. Allocated memory was 1.1 GB in the beginning and 1.4 GB in the end (delta: 235.9 MB). Free memory was 942.6 MB in the beginning and 1.2 GB in the end (delta: -222.7 MB). Peak memory consumption was 383.9 MB. Max. memory is 11.5 GB. * Witness Printer took 116.35 ms. Allocated memory is still 1.4 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 24.6 MB). Peak memory consumption was 24.6 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 562]: 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: (((((((((((((!(a19 == 1) && 8 <= a17) && a11 == 1) && !(a28 == 11)) || (((a17 == 8 && a19 == 1) && a21 == 1) && a25 == 1)) || ((a17 <= 8 && ((a19 <= 0 && !(a25 == 1)) || ((!(a19 == 1) && !(a25 == 1)) && !(a28 == 11)))) && !(a28 == 10))) || (((a28 == 9 && !(a25 == 1)) && a17 == 8) && a21 == 1)) || ((a17 == 8 && a28 == 7) && a21 == 1)) || (a11 == 1 && ((a19 <= 0 && !(a25 == 1)) || ((!(a19 == 1) && !(a25 == 1)) && !(a28 == 11))))) || ((a28 == 7 && a17 <= 8) && a11 == 1)) || ((((!(5 == input) && a28 == 10) && a17 == 8) && a19 == 1) && a21 == 1)) || ((!(a25 == 1) && a17 <= 8) && a11 == 1)) || (((((8 <= a17 && a17 <= 8) && a25 == 1) && !(a28 == 9)) && !(a28 == 11)) && !(a28 == 10))) || (((((!(a19 == 1) && 8 <= a17) && a17 <= 8) && a25 == 1) && !(a28 == 9)) && !(a28 == 11))) || (((a28 == 9 && !(a19 == 1)) && a11 == 1) && !(a28 == 11)) - InvariantResult [Line: 29]: Loop Invariant Derived loop invariant: (((((((((((((!(a19 == 1) && 8 <= a17) && a11 == 1) && !(a28 == 11)) || (((a17 == 8 && a19 == 1) && a21 == 1) && a25 == 1)) || ((a17 <= 8 && ((a19 <= 0 && !(a25 == 1)) || ((!(a19 == 1) && !(a25 == 1)) && !(a28 == 11)))) && !(a28 == 10))) || (((a28 == 9 && !(a25 == 1)) && a17 == 8) && a21 == 1)) || ((a17 == 8 && a28 == 7) && a21 == 1)) || (a11 == 1 && ((a19 <= 0 && !(a25 == 1)) || ((!(a19 == 1) && !(a25 == 1)) && !(a28 == 11))))) || ((a28 == 7 && a17 <= 8) && a11 == 1)) || ((((!(5 == input) && a28 == 10) && a17 == 8) && a19 == 1) && a21 == 1)) || ((!(a25 == 1) && a17 <= 8) && a11 == 1)) || (((((8 <= a17 && a17 <= 8) && a25 == 1) && !(a28 == 9)) && !(a28 == 11)) && !(a28 == 10))) || (((((!(a19 == 1) && 8 <= a17) && a17 <= 8) && a25 == 1) && !(a28 == 9)) && !(a28 == 11))) || (((a28 == 9 && !(a19 == 1)) && a11 == 1) && !(a28 == 11)) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 227 locations, 1 error locations. Result: SAFE, OverallTime: 7.4s, OverallIterations: 11, TraceHistogramMax: 5, AutomataDifference: 5.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.7s, HoareTripleCheckerStatistics: 1262 SDtfs, 2480 SDslu, 295 SDs, 0 SdLazy, 6276 SolverSat, 996 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 3.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 417 GetRequests, 381 SyntacticMatches, 3 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1994occurred in iteration=5, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 11 MinimizatonAttempts, 2023 StatesRemovedByMinimization, 8 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 52 NumberOfFragments, 413 HoareAnnotationTreeSize, 3 FomulaSimplifications, 2056 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 3 FomulaSimplificationsInter, 1242 FormulaSimplificationTreeSizeReductionInter, 0.6s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 2332 NumberOfCodeBlocks, 2332 NumberOfCodeBlocksAsserted, 13 NumberOfCheckSat, 2319 ConstructedInterpolants, 0 QuantifiedInterpolants, 1339968 SizeOfPredicates, 1 NumberOfNonLiveVariables, 641 ConjunctsInSsa, 4 ConjunctsInUnsatCore, 13 InterpolantComputations, 11 PerfectInterpolantSequences, 890/896 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...