./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem01_label42.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version cad46833 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_c6db61e5-8b65-4994-8b47-ead2c04e9f81/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_c6db61e5-8b65-4994-8b47-ead2c04e9f81/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_c6db61e5-8b65-4994-8b47-ead2c04e9f81/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_c6db61e5-8b65-4994-8b47-ead2c04e9f81/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem01_label42.c -s /tmp/vcloud-vcloud-master/worker/working_dir_c6db61e5-8b65-4994-8b47-ead2c04e9f81/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_c6db61e5-8b65-4994-8b47-ead2c04e9f81/bin/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 1ced3eb982b16bda97708eba7d7a33ef6d709871 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-cad4683 [2019-10-22 08:58:00,612 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-22 08:58:00,613 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-22 08:58:00,623 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-22 08:58:00,624 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-22 08:58:00,625 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-22 08:58:00,626 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-22 08:58:00,628 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-22 08:58:00,630 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-22 08:58:00,631 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-22 08:58:00,633 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-22 08:58:00,634 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-22 08:58:00,639 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-22 08:58:00,641 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-22 08:58:00,642 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-22 08:58:00,642 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-22 08:58:00,643 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-22 08:58:00,643 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-22 08:58:00,644 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-22 08:58:00,645 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-22 08:58:00,649 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-22 08:58:00,650 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-22 08:58:00,650 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-22 08:58:00,651 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-22 08:58:00,652 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-22 08:58:00,652 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-22 08:58:00,653 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-22 08:58:00,653 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-22 08:58:00,653 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-22 08:58:00,654 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-22 08:58:00,654 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-22 08:58:00,658 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-22 08:58:00,659 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-22 08:58:00,659 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-22 08:58:00,660 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-22 08:58:00,661 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-22 08:58:00,662 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-22 08:58:00,662 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-22 08:58:00,662 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-22 08:58:00,663 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-22 08:58:00,663 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-22 08:58:00,664 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_c6db61e5-8b65-4994-8b47-ead2c04e9f81/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-10-22 08:58:00,684 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-22 08:58:00,686 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-22 08:58:00,687 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-22 08:58:00,688 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-22 08:58:00,688 INFO L138 SettingsManager]: * Use SBE=true [2019-10-22 08:58:00,688 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-22 08:58:00,688 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-22 08:58:00,688 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-22 08:58:00,688 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-22 08:58:00,689 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-22 08:58:00,689 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-22 08:58:00,689 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-22 08:58:00,689 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-22 08:58:00,689 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-22 08:58:00,689 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-22 08:58:00,690 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-22 08:58:00,690 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-22 08:58:00,690 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-22 08:58:00,690 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-22 08:58:00,691 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-22 08:58:00,692 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-22 08:58:00,692 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-22 08:58:00,692 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-22 08:58:00,692 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-22 08:58:00,693 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-22 08:58:00,693 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-22 08:58:00,693 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-22 08:58:00,693 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-22 08:58:00,693 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/working_dir_c6db61e5-8b65-4994-8b47-ead2c04e9f81/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 1ced3eb982b16bda97708eba7d7a33ef6d709871 [2019-10-22 08:58:00,730 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-22 08:58:00,741 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-22 08:58:00,745 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-22 08:58:00,746 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-22 08:58:00,747 INFO L275 PluginConnector]: CDTParser initialized [2019-10-22 08:58:00,747 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_c6db61e5-8b65-4994-8b47-ead2c04e9f81/bin/uautomizer/../../sv-benchmarks/c/eca-rers2012/Problem01_label42.c [2019-10-22 08:58:00,793 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_c6db61e5-8b65-4994-8b47-ead2c04e9f81/bin/uautomizer/data/c75323c8d/c6d0ff5f337c48fc8d4706edd7b82735/FLAGd8c87a70c [2019-10-22 08:58:01,269 INFO L306 CDTParser]: Found 1 translation units. [2019-10-22 08:58:01,269 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_c6db61e5-8b65-4994-8b47-ead2c04e9f81/sv-benchmarks/c/eca-rers2012/Problem01_label42.c [2019-10-22 08:58:01,281 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_c6db61e5-8b65-4994-8b47-ead2c04e9f81/bin/uautomizer/data/c75323c8d/c6d0ff5f337c48fc8d4706edd7b82735/FLAGd8c87a70c [2019-10-22 08:58:01,585 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_c6db61e5-8b65-4994-8b47-ead2c04e9f81/bin/uautomizer/data/c75323c8d/c6d0ff5f337c48fc8d4706edd7b82735 [2019-10-22 08:58:01,587 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-22 08:58:01,589 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-10-22 08:58:01,590 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-22 08:58:01,591 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-22 08:58:01,595 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-22 08:58:01,596 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 08:58:01" (1/1) ... [2019-10-22 08:58:01,599 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@27e56776 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:58:01, skipping insertion in model container [2019-10-22 08:58:01,600 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 08:58:01" (1/1) ... [2019-10-22 08:58:01,608 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-22 08:58:01,670 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-22 08:58:02,185 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 08:58:02,190 INFO L188 MainTranslator]: Completed pre-run [2019-10-22 08:58:02,295 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 08:58:02,312 INFO L192 MainTranslator]: Completed translation [2019-10-22 08:58:02,312 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:58:02 WrapperNode [2019-10-22 08:58:02,313 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-22 08:58:02,313 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-10-22 08:58:02,314 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-10-22 08:58:02,314 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-10-22 08:58:02,323 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:58:02" (1/1) ... [2019-10-22 08:58:02,341 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:58:02" (1/1) ... [2019-10-22 08:58:02,403 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-10-22 08:58:02,403 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-22 08:58:02,403 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-22 08:58:02,403 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-22 08:58:02,414 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:58:02" (1/1) ... [2019-10-22 08:58:02,414 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:58:02" (1/1) ... [2019-10-22 08:58:02,420 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:58:02" (1/1) ... [2019-10-22 08:58:02,420 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:58:02" (1/1) ... [2019-10-22 08:58:02,442 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:58:02" (1/1) ... [2019-10-22 08:58:02,452 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:58:02" (1/1) ... [2019-10-22 08:58:02,457 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:58:02" (1/1) ... [2019-10-22 08:58:02,464 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-22 08:58:02,475 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-22 08:58:02,475 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-22 08:58:02,475 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-22 08:58:02,476 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:58:02" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_c6db61e5-8b65-4994-8b47-ead2c04e9f81/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 [2019-10-22 08:58:02,560 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-22 08:58:02,560 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-22 08:58:03,492 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-22 08:58:03,492 INFO L284 CfgBuilder]: Removed 7 assume(true) statements. [2019-10-22 08:58:03,493 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 08:58:03 BoogieIcfgContainer [2019-10-22 08:58:03,493 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-22 08:58:03,494 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-22 08:58:03,494 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-22 08:58:03,497 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-22 08:58:03,497 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.10 08:58:01" (1/3) ... [2019-10-22 08:58:03,498 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2d977f68 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 08:58:03, skipping insertion in model container [2019-10-22 08:58:03,498 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:58:02" (2/3) ... [2019-10-22 08:58:03,499 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@2d977f68 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 08:58:03, skipping insertion in model container [2019-10-22 08:58:03,499 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 08:58:03" (3/3) ... [2019-10-22 08:58:03,500 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem01_label42.c [2019-10-22 08:58:03,509 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-22 08:58:03,515 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-22 08:58:03,525 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-22 08:58:03,546 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-22 08:58:03,547 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-22 08:58:03,547 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-22 08:58:03,547 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-22 08:58:03,547 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-22 08:58:03,547 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-22 08:58:03,547 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-22 08:58:03,547 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-22 08:58:03,565 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states. [2019-10-22 08:58:03,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2019-10-22 08:58:03,575 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 08:58:03,576 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 08:58:03,578 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 08:58:03,583 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:58:03,584 INFO L82 PathProgramCache]: Analyzing trace with hash -1613704130, now seen corresponding path program 1 times [2019-10-22 08:58:03,593 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:58:03,593 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [265897279] [2019-10-22 08:58:03,593 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:58:03,593 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:58:03,594 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:58:03,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:58:04,005 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 08:58:04,006 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [265897279] [2019-10-22 08:58:04,007 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 08:58:04,008 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-22 08:58:04,008 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [711450442] [2019-10-22 08:58:04,013 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-22 08:58:04,015 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 08:58:04,025 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-22 08:58:04,026 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 08:58:04,027 INFO L87 Difference]: Start difference. First operand 198 states. Second operand 3 states. [2019-10-22 08:58:04,744 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:58:04,744 INFO L93 Difference]: Finished difference Result 528 states and 915 transitions. [2019-10-22 08:58:04,745 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-22 08:58:04,746 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 115 [2019-10-22 08:58:04,747 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 08:58:04,761 INFO L225 Difference]: With dead ends: 528 [2019-10-22 08:58:04,762 INFO L226 Difference]: Without dead ends: 266 [2019-10-22 08:58:04,767 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 08:58:04,785 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 266 states. [2019-10-22 08:58:04,813 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 266 to 266. [2019-10-22 08:58:04,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 266 states. [2019-10-22 08:58:04,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 266 states to 266 states and 374 transitions. [2019-10-22 08:58:04,816 INFO L78 Accepts]: Start accepts. Automaton has 266 states and 374 transitions. Word has length 115 [2019-10-22 08:58:04,816 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 08:58:04,816 INFO L462 AbstractCegarLoop]: Abstraction has 266 states and 374 transitions. [2019-10-22 08:58:04,817 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-22 08:58:04,817 INFO L276 IsEmpty]: Start isEmpty. Operand 266 states and 374 transitions. [2019-10-22 08:58:04,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2019-10-22 08:58:04,820 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 08:58:04,820 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 08:58:04,820 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 08:58:04,821 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:58:04,821 INFO L82 PathProgramCache]: Analyzing trace with hash 1626358534, now seen corresponding path program 1 times [2019-10-22 08:58:04,821 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:58:04,821 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1724739029] [2019-10-22 08:58:04,821 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:58:04,822 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:58:04,822 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:58:04,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:58:05,077 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-10-22 08:58:05,077 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1724739029] [2019-10-22 08:58:05,078 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 08:58:05,078 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-22 08:58:05,078 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1432941867] [2019-10-22 08:58:05,080 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-22 08:58:05,080 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 08:58:05,081 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-22 08:58:05,081 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-10-22 08:58:05,081 INFO L87 Difference]: Start difference. First operand 266 states and 374 transitions. Second operand 4 states. [2019-10-22 08:58:05,949 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:58:05,950 INFO L93 Difference]: Finished difference Result 1054 states and 1488 transitions. [2019-10-22 08:58:05,950 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-10-22 08:58:05,951 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 119 [2019-10-22 08:58:05,951 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 08:58:05,955 INFO L225 Difference]: With dead ends: 1054 [2019-10-22 08:58:05,955 INFO L226 Difference]: Without dead ends: 790 [2019-10-22 08:58:05,957 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-10-22 08:58:05,960 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 790 states. [2019-10-22 08:58:06,005 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 790 to 528. [2019-10-22 08:58:06,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 528 states. [2019-10-22 08:58:06,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 528 states to 528 states and 708 transitions. [2019-10-22 08:58:06,006 INFO L78 Accepts]: Start accepts. Automaton has 528 states and 708 transitions. Word has length 119 [2019-10-22 08:58:06,006 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 08:58:06,006 INFO L462 AbstractCegarLoop]: Abstraction has 528 states and 708 transitions. [2019-10-22 08:58:06,007 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-22 08:58:06,007 INFO L276 IsEmpty]: Start isEmpty. Operand 528 states and 708 transitions. [2019-10-22 08:58:06,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2019-10-22 08:58:06,009 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 08:58:06,009 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 08:58:06,009 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 08:58:06,010 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:58:06,010 INFO L82 PathProgramCache]: Analyzing trace with hash -951101936, now seen corresponding path program 1 times [2019-10-22 08:58:06,010 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:58:06,010 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [655799444] [2019-10-22 08:58:06,010 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:58:06,010 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:58:06,010 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:58:06,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:58:06,120 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-10-22 08:58:06,120 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [655799444] [2019-10-22 08:58:06,120 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 08:58:06,121 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-22 08:58:06,121 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [841699394] [2019-10-22 08:58:06,121 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-22 08:58:06,122 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 08:58:06,122 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-22 08:58:06,122 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 08:58:06,122 INFO L87 Difference]: Start difference. First operand 528 states and 708 transitions. Second operand 3 states. [2019-10-22 08:58:06,555 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:58:06,555 INFO L93 Difference]: Finished difference Result 1316 states and 1785 transitions. [2019-10-22 08:58:06,555 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-22 08:58:06,555 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 149 [2019-10-22 08:58:06,555 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 08:58:06,558 INFO L225 Difference]: With dead ends: 1316 [2019-10-22 08:58:06,558 INFO L226 Difference]: Without dead ends: 790 [2019-10-22 08:58:06,559 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 08:58:06,560 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 790 states. [2019-10-22 08:58:06,578 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 790 to 659. [2019-10-22 08:58:06,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 659 states. [2019-10-22 08:58:06,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 659 states to 659 states and 888 transitions. [2019-10-22 08:58:06,580 INFO L78 Accepts]: Start accepts. Automaton has 659 states and 888 transitions. Word has length 149 [2019-10-22 08:58:06,581 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 08:58:06,581 INFO L462 AbstractCegarLoop]: Abstraction has 659 states and 888 transitions. [2019-10-22 08:58:06,581 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-22 08:58:06,581 INFO L276 IsEmpty]: Start isEmpty. Operand 659 states and 888 transitions. [2019-10-22 08:58:06,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2019-10-22 08:58:06,584 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 08:58:06,585 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 08:58:06,585 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 08:58:06,585 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:58:06,585 INFO L82 PathProgramCache]: Analyzing trace with hash 1921921286, now seen corresponding path program 1 times [2019-10-22 08:58:06,585 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:58:06,585 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1413314663] [2019-10-22 08:58:06,586 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:58:06,586 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:58:06,586 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:58:06,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:58:06,713 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2019-10-22 08:58:06,714 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1413314663] [2019-10-22 08:58:06,714 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 08:58:06,714 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-22 08:58:06,714 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [778121488] [2019-10-22 08:58:06,715 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-22 08:58:06,718 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 08:58:06,719 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-22 08:58:06,719 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-22 08:58:06,719 INFO L87 Difference]: Start difference. First operand 659 states and 888 transitions. Second operand 4 states. [2019-10-22 08:58:07,322 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:58:07,323 INFO L93 Difference]: Finished difference Result 1449 states and 1931 transitions. [2019-10-22 08:58:07,326 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-10-22 08:58:07,327 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 153 [2019-10-22 08:58:07,327 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 08:58:07,329 INFO L225 Difference]: With dead ends: 1449 [2019-10-22 08:58:07,330 INFO L226 Difference]: Without dead ends: 792 [2019-10-22 08:58:07,331 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-10-22 08:58:07,332 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 792 states. [2019-10-22 08:58:07,350 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 792 to 790. [2019-10-22 08:58:07,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 790 states. [2019-10-22 08:58:07,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 790 states to 790 states and 1025 transitions. [2019-10-22 08:58:07,354 INFO L78 Accepts]: Start accepts. Automaton has 790 states and 1025 transitions. Word has length 153 [2019-10-22 08:58:07,354 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 08:58:07,356 INFO L462 AbstractCegarLoop]: Abstraction has 790 states and 1025 transitions. [2019-10-22 08:58:07,356 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-22 08:58:07,356 INFO L276 IsEmpty]: Start isEmpty. Operand 790 states and 1025 transitions. [2019-10-22 08:58:07,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2019-10-22 08:58:07,359 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 08:58:07,359 INFO L380 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 08:58:07,360 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 08:58:07,360 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:58:07,360 INFO L82 PathProgramCache]: Analyzing trace with hash -680769074, now seen corresponding path program 1 times [2019-10-22 08:58:07,360 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:58:07,360 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [297648531] [2019-10-22 08:58:07,360 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:58:07,361 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:58:07,361 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:58:07,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:58:07,456 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2019-10-22 08:58:07,456 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [297648531] [2019-10-22 08:58:07,457 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 08:58:07,457 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-22 08:58:07,457 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [515425178] [2019-10-22 08:58:07,458 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-22 08:58:07,458 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 08:58:07,459 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-22 08:58:07,459 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 08:58:07,459 INFO L87 Difference]: Start difference. First operand 790 states and 1025 transitions. Second operand 3 states. [2019-10-22 08:58:07,903 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:58:07,903 INFO L93 Difference]: Finished difference Result 1709 states and 2245 transitions. [2019-10-22 08:58:07,904 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-22 08:58:07,904 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 157 [2019-10-22 08:58:07,904 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 08:58:07,907 INFO L225 Difference]: With dead ends: 1709 [2019-10-22 08:58:07,907 INFO L226 Difference]: Without dead ends: 1052 [2019-10-22 08:58:07,909 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 08:58:07,910 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1052 states. [2019-10-22 08:58:07,936 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1052 to 1052. [2019-10-22 08:58:07,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1052 states. [2019-10-22 08:58:07,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1052 states to 1052 states and 1323 transitions. [2019-10-22 08:58:07,940 INFO L78 Accepts]: Start accepts. Automaton has 1052 states and 1323 transitions. Word has length 157 [2019-10-22 08:58:07,940 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 08:58:07,941 INFO L462 AbstractCegarLoop]: Abstraction has 1052 states and 1323 transitions. [2019-10-22 08:58:07,941 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-22 08:58:07,941 INFO L276 IsEmpty]: Start isEmpty. Operand 1052 states and 1323 transitions. [2019-10-22 08:58:07,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2019-10-22 08:58:07,944 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 08:58:07,944 INFO L380 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 08:58:07,944 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 08:58:07,944 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:58:07,945 INFO L82 PathProgramCache]: Analyzing trace with hash 556803504, now seen corresponding path program 1 times [2019-10-22 08:58:07,945 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:58:07,945 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [14461657] [2019-10-22 08:58:07,945 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:58:07,945 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:58:07,945 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:58:07,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:58:08,040 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2019-10-22 08:58:08,040 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [14461657] [2019-10-22 08:58:08,040 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 08:58:08,041 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-22 08:58:08,041 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1917759132] [2019-10-22 08:58:08,041 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-22 08:58:08,041 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 08:58:08,042 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-22 08:58:08,042 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-10-22 08:58:08,042 INFO L87 Difference]: Start difference. First operand 1052 states and 1323 transitions. Second operand 4 states. [2019-10-22 08:58:08,722 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:58:08,722 INFO L93 Difference]: Finished difference Result 3150 states and 3974 transitions. [2019-10-22 08:58:08,723 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-10-22 08:58:08,723 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 166 [2019-10-22 08:58:08,723 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 08:58:08,728 INFO L225 Difference]: With dead ends: 3150 [2019-10-22 08:58:08,728 INFO L226 Difference]: Without dead ends: 2231 [2019-10-22 08:58:08,730 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-10-22 08:58:08,732 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2231 states. [2019-10-22 08:58:08,759 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2231 to 1576. [2019-10-22 08:58:08,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1576 states. [2019-10-22 08:58:08,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1576 states to 1576 states and 1943 transitions. [2019-10-22 08:58:08,764 INFO L78 Accepts]: Start accepts. Automaton has 1576 states and 1943 transitions. Word has length 166 [2019-10-22 08:58:08,764 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 08:58:08,764 INFO L462 AbstractCegarLoop]: Abstraction has 1576 states and 1943 transitions. [2019-10-22 08:58:08,764 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-22 08:58:08,765 INFO L276 IsEmpty]: Start isEmpty. Operand 1576 states and 1943 transitions. [2019-10-22 08:58:08,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2019-10-22 08:58:08,768 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 08:58:08,769 INFO L380 BasicCegarLoop]: trace histogram [5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 08:58:08,769 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 08:58:08,769 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:58:08,776 INFO L82 PathProgramCache]: Analyzing trace with hash 390134956, now seen corresponding path program 1 times [2019-10-22 08:58:08,776 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:58:08,777 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [951597930] [2019-10-22 08:58:08,777 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:58:08,777 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:58:08,777 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:58:08,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:58:08,887 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 53 proven. 0 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2019-10-22 08:58:08,887 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [951597930] [2019-10-22 08:58:08,887 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 08:58:08,888 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-22 08:58:08,888 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [863298087] [2019-10-22 08:58:08,888 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-22 08:58:08,888 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 08:58:08,889 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-22 08:58:08,889 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2019-10-22 08:58:08,889 INFO L87 Difference]: Start difference. First operand 1576 states and 1943 transitions. Second operand 5 states. [2019-10-22 08:58:09,793 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:58:09,793 INFO L93 Difference]: Finished difference Result 3543 states and 4355 transitions. [2019-10-22 08:58:09,794 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-22 08:58:09,794 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 190 [2019-10-22 08:58:09,794 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 08:58:09,800 INFO L225 Difference]: With dead ends: 3543 [2019-10-22 08:58:09,800 INFO L226 Difference]: Without dead ends: 2100 [2019-10-22 08:58:09,802 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2019-10-22 08:58:09,804 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2100 states. [2019-10-22 08:58:09,830 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2100 to 1838. [2019-10-22 08:58:09,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1838 states. [2019-10-22 08:58:09,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1838 states to 1838 states and 2217 transitions. [2019-10-22 08:58:09,834 INFO L78 Accepts]: Start accepts. Automaton has 1838 states and 2217 transitions. Word has length 190 [2019-10-22 08:58:09,834 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 08:58:09,834 INFO L462 AbstractCegarLoop]: Abstraction has 1838 states and 2217 transitions. [2019-10-22 08:58:09,834 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-22 08:58:09,834 INFO L276 IsEmpty]: Start isEmpty. Operand 1838 states and 2217 transitions. [2019-10-22 08:58:09,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2019-10-22 08:58:09,839 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 08:58:09,839 INFO L380 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 08:58:09,839 INFO L410 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 08:58:09,840 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:58:09,840 INFO L82 PathProgramCache]: Analyzing trace with hash 128921415, now seen corresponding path program 1 times [2019-10-22 08:58:09,840 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:58:09,840 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2006509748] [2019-10-22 08:58:09,840 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:58:09,840 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:58:09,841 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:58:09,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:58:09,893 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 65 proven. 0 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2019-10-22 08:58:09,893 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2006509748] [2019-10-22 08:58:09,893 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 08:58:09,893 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-22 08:58:09,893 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1832164749] [2019-10-22 08:58:09,894 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-22 08:58:09,894 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 08:58:09,894 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-22 08:58:09,894 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 08:58:09,895 INFO L87 Difference]: Start difference. First operand 1838 states and 2217 transitions. Second operand 3 states. [2019-10-22 08:58:10,235 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:58:10,236 INFO L93 Difference]: Finished difference Result 4067 states and 4903 transitions. [2019-10-22 08:58:10,236 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-22 08:58:10,236 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 193 [2019-10-22 08:58:10,236 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 08:58:10,241 INFO L225 Difference]: With dead ends: 4067 [2019-10-22 08:58:10,241 INFO L226 Difference]: Without dead ends: 1969 [2019-10-22 08:58:10,243 INFO L600 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 [2019-10-22 08:58:10,246 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1969 states. [2019-10-22 08:58:10,264 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1969 to 1707. [2019-10-22 08:58:10,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1707 states. [2019-10-22 08:58:10,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1707 states to 1707 states and 1877 transitions. [2019-10-22 08:58:10,268 INFO L78 Accepts]: Start accepts. Automaton has 1707 states and 1877 transitions. Word has length 193 [2019-10-22 08:58:10,268 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 08:58:10,268 INFO L462 AbstractCegarLoop]: Abstraction has 1707 states and 1877 transitions. [2019-10-22 08:58:10,268 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-22 08:58:10,268 INFO L276 IsEmpty]: Start isEmpty. Operand 1707 states and 1877 transitions. [2019-10-22 08:58:10,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 220 [2019-10-22 08:58:10,272 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 08:58:10,272 INFO L380 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 08:58:10,272 INFO L410 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 08:58:10,272 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:58:10,272 INFO L82 PathProgramCache]: Analyzing trace with hash 2022598972, now seen corresponding path program 1 times [2019-10-22 08:58:10,273 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:58:10,273 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [385537948] [2019-10-22 08:58:10,273 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:58:10,273 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:58:10,273 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:58:10,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:58:10,431 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 98 proven. 4 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2019-10-22 08:58:10,432 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [385537948] [2019-10-22 08:58:10,432 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [848797133] [2019-10-22 08:58:10,432 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_c6db61e5-8b65-4994-8b47-ead2c04e9f81/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 [2019-10-22 08:58:10,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:58:10,518 INFO L256 TraceCheckSpWp]: Trace formula consists of 361 conjuncts, 2 conjunts are in the unsatisfiable core [2019-10-22 08:58:10,535 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-22 08:58:10,602 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 98 proven. 0 refuted. 0 times theorem prover too weak. 57 trivial. 0 not checked. [2019-10-22 08:58:10,603 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-10-22 08:58:10,603 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 4 [2019-10-22 08:58:10,603 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [977829304] [2019-10-22 08:58:10,604 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-22 08:58:10,604 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 08:58:10,604 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-22 08:58:10,604 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-10-22 08:58:10,605 INFO L87 Difference]: Start difference. First operand 1707 states and 1877 transitions. Second operand 3 states. [2019-10-22 08:58:11,043 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:58:11,043 INFO L93 Difference]: Finished difference Result 3672 states and 4041 transitions. [2019-10-22 08:58:11,043 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-22 08:58:11,044 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 219 [2019-10-22 08:58:11,044 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 08:58:11,044 INFO L225 Difference]: With dead ends: 3672 [2019-10-22 08:58:11,044 INFO L226 Difference]: Without dead ends: 0 [2019-10-22 08:58:11,046 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 222 GetRequests, 220 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-10-22 08:58:11,047 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-22 08:58:11,047 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-22 08:58:11,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-22 08:58:11,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-22 08:58:11,047 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 219 [2019-10-22 08:58:11,047 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 08:58:11,047 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-22 08:58:11,048 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-22 08:58:11,048 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-22 08:58:11,048 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-22 08:58:11,249 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-22 08:58:11,252 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-22 08:58:11,481 WARN L191 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 33 [2019-10-22 08:58:11,667 WARN L191 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 33 [2019-10-22 08:58:11,669 INFO L443 ceAbstractionStarter]: For program point L333(lines 333 390) no Hoare annotation was computed. [2019-10-22 08:58:11,670 INFO L443 ceAbstractionStarter]: For program point L102(lines 102 390) no Hoare annotation was computed. [2019-10-22 08:58:11,670 INFO L443 ceAbstractionStarter]: For program point L565-1(lines 30 575) no Hoare annotation was computed. [2019-10-22 08:58:11,670 INFO L443 ceAbstractionStarter]: For program point L532-1(lines 30 575) no Hoare annotation was computed. [2019-10-22 08:58:11,670 INFO L443 ceAbstractionStarter]: For program point L499-1(lines 30 575) no Hoare annotation was computed. [2019-10-22 08:58:11,670 INFO L443 ceAbstractionStarter]: For program point L466-1(lines 30 575) no Hoare annotation was computed. [2019-10-22 08:58:11,670 INFO L443 ceAbstractionStarter]: For program point L433-1(lines 30 575) no Hoare annotation was computed. [2019-10-22 08:58:11,670 INFO L443 ceAbstractionStarter]: For program point L400-1(lines 30 575) no Hoare annotation was computed. [2019-10-22 08:58:11,670 INFO L443 ceAbstractionStarter]: For program point L268(lines 268 390) no Hoare annotation was computed. [2019-10-22 08:58:11,670 INFO L443 ceAbstractionStarter]: For program point L136(lines 136 390) no Hoare annotation was computed. [2019-10-22 08:58:11,670 INFO L443 ceAbstractionStarter]: For program point L566(line 566) no Hoare annotation was computed. [2019-10-22 08:58:11,670 INFO L443 ceAbstractionStarter]: For program point L533(line 533) no Hoare annotation was computed. [2019-10-22 08:58:11,671 INFO L443 ceAbstractionStarter]: For program point L500(line 500) no Hoare annotation was computed. [2019-10-22 08:58:11,671 INFO L443 ceAbstractionStarter]: For program point L467(line 467) no Hoare annotation was computed. [2019-10-22 08:58:11,671 INFO L443 ceAbstractionStarter]: For program point L434(line 434) no Hoare annotation was computed. [2019-10-22 08:58:11,671 INFO L443 ceAbstractionStarter]: For program point L401(line 401) no Hoare annotation was computed. [2019-10-22 08:58:11,671 INFO L443 ceAbstractionStarter]: For program point L203(lines 203 390) no Hoare annotation was computed. [2019-10-22 08:58:11,671 INFO L443 ceAbstractionStarter]: For program point L72(lines 72 390) no Hoare annotation was computed. [2019-10-22 08:58:11,671 INFO L443 ceAbstractionStarter]: For program point L568-1(lines 30 575) no Hoare annotation was computed. [2019-10-22 08:58:11,671 INFO L443 ceAbstractionStarter]: For program point L535-1(lines 30 575) no Hoare annotation was computed. [2019-10-22 08:58:11,671 INFO L443 ceAbstractionStarter]: For program point L502-1(lines 30 575) no Hoare annotation was computed. [2019-10-22 08:58:11,671 INFO L443 ceAbstractionStarter]: For program point L469-1(lines 30 575) no Hoare annotation was computed. [2019-10-22 08:58:11,671 INFO L443 ceAbstractionStarter]: For program point L436-1(lines 30 575) no Hoare annotation was computed. [2019-10-22 08:58:11,671 INFO L443 ceAbstractionStarter]: For program point L403-1(lines 30 575) no Hoare annotation was computed. [2019-10-22 08:58:11,672 INFO L443 ceAbstractionStarter]: For program point L337(lines 337 390) no Hoare annotation was computed. [2019-10-22 08:58:11,672 INFO L443 ceAbstractionStarter]: For program point L238(lines 238 390) no Hoare annotation was computed. [2019-10-22 08:58:11,672 INFO L443 ceAbstractionStarter]: For program point L569(line 569) no Hoare annotation was computed. [2019-10-22 08:58:11,672 INFO L443 ceAbstractionStarter]: For program point L536(line 536) no Hoare annotation was computed. [2019-10-22 08:58:11,672 INFO L443 ceAbstractionStarter]: For program point L503(line 503) no Hoare annotation was computed. [2019-10-22 08:58:11,672 INFO L443 ceAbstractionStarter]: For program point L470(line 470) no Hoare annotation was computed. [2019-10-22 08:58:11,672 INFO L443 ceAbstractionStarter]: For program point L437(line 437) no Hoare annotation was computed. [2019-10-22 08:58:11,672 INFO L443 ceAbstractionStarter]: For program point L404(line 404) no Hoare annotation was computed. [2019-10-22 08:58:11,672 INFO L443 ceAbstractionStarter]: For program point L173(lines 173 390) no Hoare annotation was computed. [2019-10-22 08:58:11,672 INFO L443 ceAbstractionStarter]: For program point L140(lines 140 390) no Hoare annotation was computed. [2019-10-22 08:58:11,672 INFO L443 ceAbstractionStarter]: For program point L372(lines 372 390) no Hoare annotation was computed. [2019-10-22 08:58:11,672 INFO L443 ceAbstractionStarter]: For program point L306(lines 306 390) no Hoare annotation was computed. [2019-10-22 08:58:11,672 INFO L443 ceAbstractionStarter]: For program point L273(lines 273 390) no Hoare annotation was computed. [2019-10-22 08:58:11,673 INFO L443 ceAbstractionStarter]: For program point L108(lines 108 390) no Hoare annotation was computed. [2019-10-22 08:58:11,673 INFO L443 ceAbstractionStarter]: For program point L571-1(lines 571 573) no Hoare annotation was computed. [2019-10-22 08:58:11,673 INFO L443 ceAbstractionStarter]: For program point L538-1(lines 30 575) no Hoare annotation was computed. [2019-10-22 08:58:11,673 INFO L443 ceAbstractionStarter]: For program point L505-1(lines 30 575) no Hoare annotation was computed. [2019-10-22 08:58:11,673 INFO L443 ceAbstractionStarter]: For program point L472-1(lines 30 575) no Hoare annotation was computed. [2019-10-22 08:58:11,673 INFO L443 ceAbstractionStarter]: For program point L439-1(lines 30 575) no Hoare annotation was computed. [2019-10-22 08:58:11,673 INFO L443 ceAbstractionStarter]: For program point L406-1(lines 30 575) no Hoare annotation was computed. [2019-10-22 08:58:11,673 INFO L443 ceAbstractionStarter]: For program point L208(lines 208 390) no Hoare annotation was computed. [2019-10-22 08:58:11,673 INFO L443 ceAbstractionStarter]: For program point L43(lines 43 390) no Hoare annotation was computed. [2019-10-22 08:58:11,673 INFO L443 ceAbstractionStarter]: For program point L572(line 572) no Hoare annotation was computed. [2019-10-22 08:58:11,673 INFO L443 ceAbstractionStarter]: For program point L539(line 539) no Hoare annotation was computed. [2019-10-22 08:58:11,673 INFO L443 ceAbstractionStarter]: For program point L506(line 506) no Hoare annotation was computed. [2019-10-22 08:58:11,673 INFO L443 ceAbstractionStarter]: For program point L473(line 473) no Hoare annotation was computed. [2019-10-22 08:58:11,674 INFO L443 ceAbstractionStarter]: For program point L440(line 440) no Hoare annotation was computed. [2019-10-22 08:58:11,674 INFO L443 ceAbstractionStarter]: For program point L407(line 407) no Hoare annotation was computed. [2019-10-22 08:58:11,674 INFO L443 ceAbstractionStarter]: For program point L144(lines 144 390) no Hoare annotation was computed. [2019-10-22 08:58:11,674 INFO L439 ceAbstractionStarter]: At program point L574(lines 30 575) the Hoare annotation is: (let ((.cse1 (not (= ~a16~0 6))) (.cse4 (<= ~a17~0 0)) (.cse0 (= 1 ~a7~0)) (.cse7 (= ~a16~0 5)) (.cse6 (not (= ~a8~0 13))) (.cse5 (= ~a21~0 1)) (.cse3 (= ~a20~0 1)) (.cse2 (= ~a17~0 1))) (or (and .cse0 .cse1 .cse2) (and .cse0 .cse3) (and .cse1 .cse4 .cse5) (and .cse6 .cse4 .cse5) (and .cse4 .cse5 .cse3) (and .cse5 .cse3 .cse7) (and .cse6 .cse0 .cse5 .cse7) (and (and .cse6 .cse5) .cse2) (and (and .cse5 .cse3) .cse2))) [2019-10-22 08:58:11,675 INFO L443 ceAbstractionStarter]: For program point L541-1(lines 30 575) no Hoare annotation was computed. [2019-10-22 08:58:11,675 INFO L443 ceAbstractionStarter]: For program point L508-1(lines 30 575) no Hoare annotation was computed. [2019-10-22 08:58:11,675 INFO L443 ceAbstractionStarter]: For program point L475-1(lines 30 575) no Hoare annotation was computed. [2019-10-22 08:58:11,675 INFO L443 ceAbstractionStarter]: For program point L442-1(lines 30 575) no Hoare annotation was computed. [2019-10-22 08:58:11,675 INFO L443 ceAbstractionStarter]: For program point L409-1(lines 30 575) no Hoare annotation was computed. [2019-10-22 08:58:11,675 INFO L443 ceAbstractionStarter]: For program point L178(lines 178 390) no Hoare annotation was computed. [2019-10-22 08:58:11,675 INFO L443 ceAbstractionStarter]: For program point L542(line 542) no Hoare annotation was computed. [2019-10-22 08:58:11,676 INFO L443 ceAbstractionStarter]: For program point L509(line 509) no Hoare annotation was computed. [2019-10-22 08:58:11,676 INFO L443 ceAbstractionStarter]: For program point L476(line 476) no Hoare annotation was computed. [2019-10-22 08:58:11,676 INFO L443 ceAbstractionStarter]: For program point L443(line 443) no Hoare annotation was computed. [2019-10-22 08:58:11,676 INFO L443 ceAbstractionStarter]: For program point L410(line 410) no Hoare annotation was computed. [2019-10-22 08:58:11,676 INFO L443 ceAbstractionStarter]: For program point L377(lines 377 390) no Hoare annotation was computed. [2019-10-22 08:58:11,676 INFO L443 ceAbstractionStarter]: For program point L278(lines 278 390) no Hoare annotation was computed. [2019-10-22 08:58:11,676 INFO L443 ceAbstractionStarter]: For program point L245(lines 245 390) no Hoare annotation was computed. [2019-10-22 08:58:11,676 INFO L443 ceAbstractionStarter]: For program point L80(lines 80 390) no Hoare annotation was computed. [2019-10-22 08:58:11,676 INFO L443 ceAbstractionStarter]: For program point L345(lines 345 390) no Hoare annotation was computed. [2019-10-22 08:58:11,676 INFO L443 ceAbstractionStarter]: For program point L312(lines 312 390) no Hoare annotation was computed. [2019-10-22 08:58:11,676 INFO L443 ceAbstractionStarter]: For program point L114(lines 114 390) no Hoare annotation was computed. [2019-10-22 08:58:11,676 INFO L446 ceAbstractionStarter]: At program point L577(lines 577 594) the Hoare annotation is: true [2019-10-22 08:58:11,676 INFO L443 ceAbstractionStarter]: For program point L544-1(lines 30 575) no Hoare annotation was computed. [2019-10-22 08:58:11,676 INFO L443 ceAbstractionStarter]: For program point L511-1(lines 30 575) no Hoare annotation was computed. [2019-10-22 08:58:11,677 INFO L443 ceAbstractionStarter]: For program point L478-1(lines 30 575) no Hoare annotation was computed. [2019-10-22 08:58:11,677 INFO L443 ceAbstractionStarter]: For program point L445-1(lines 30 575) no Hoare annotation was computed. [2019-10-22 08:58:11,677 INFO L443 ceAbstractionStarter]: For program point L412-1(lines 30 575) no Hoare annotation was computed. [2019-10-22 08:58:11,677 INFO L443 ceAbstractionStarter]: For program point L214(lines 214 390) no Hoare annotation was computed. [2019-10-22 08:58:11,677 INFO L443 ceAbstractionStarter]: For program point L148(lines 148 390) no Hoare annotation was computed. [2019-10-22 08:58:11,677 INFO L443 ceAbstractionStarter]: For program point L49(lines 49 390) no Hoare annotation was computed. [2019-10-22 08:58:11,677 INFO L443 ceAbstractionStarter]: For program point L545(line 545) no Hoare annotation was computed. [2019-10-22 08:58:11,677 INFO L443 ceAbstractionStarter]: For program point L512(line 512) no Hoare annotation was computed. [2019-10-22 08:58:11,677 INFO L443 ceAbstractionStarter]: For program point L479(line 479) no Hoare annotation was computed. [2019-10-22 08:58:11,677 INFO L443 ceAbstractionStarter]: For program point L446(line 446) no Hoare annotation was computed. [2019-10-22 08:58:11,677 INFO L443 ceAbstractionStarter]: For program point L413(line 413) no Hoare annotation was computed. [2019-10-22 08:58:11,677 INFO L443 ceAbstractionStarter]: For program point L84(lines 84 390) no Hoare annotation was computed. [2019-10-22 08:58:11,677 INFO L443 ceAbstractionStarter]: For program point L547-1(lines 30 575) no Hoare annotation was computed. [2019-10-22 08:58:11,677 INFO L443 ceAbstractionStarter]: For program point L514-1(lines 30 575) no Hoare annotation was computed. [2019-10-22 08:58:11,677 INFO L443 ceAbstractionStarter]: For program point L481-1(lines 30 575) no Hoare annotation was computed. [2019-10-22 08:58:11,678 INFO L443 ceAbstractionStarter]: For program point L448-1(lines 30 575) no Hoare annotation was computed. [2019-10-22 08:58:11,678 INFO L443 ceAbstractionStarter]: For program point L382(lines 382 390) no Hoare annotation was computed. [2019-10-22 08:58:11,678 INFO L443 ceAbstractionStarter]: For program point L415-1(lines 30 575) no Hoare annotation was computed. [2019-10-22 08:58:11,678 INFO L443 ceAbstractionStarter]: For program point L316(lines 316 390) no Hoare annotation was computed. [2019-10-22 08:58:11,678 INFO L443 ceAbstractionStarter]: For program point L250(lines 250 390) no Hoare annotation was computed. [2019-10-22 08:58:11,678 INFO L443 ceAbstractionStarter]: For program point L548(line 548) no Hoare annotation was computed. [2019-10-22 08:58:11,678 INFO L443 ceAbstractionStarter]: For program point L515(line 515) no Hoare annotation was computed. [2019-10-22 08:58:11,678 INFO L443 ceAbstractionStarter]: For program point L482(line 482) no Hoare annotation was computed. [2019-10-22 08:58:11,678 INFO L443 ceAbstractionStarter]: For program point L449(line 449) no Hoare annotation was computed. [2019-10-22 08:58:11,678 INFO L443 ceAbstractionStarter]: For program point L416(line 416) no Hoare annotation was computed. [2019-10-22 08:58:11,678 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-10-22 08:58:11,679 INFO L443 ceAbstractionStarter]: For program point L218(lines 218 390) no Hoare annotation was computed. [2019-10-22 08:58:11,679 INFO L443 ceAbstractionStarter]: For program point L152(lines 152 390) no Hoare annotation was computed. [2019-10-22 08:58:11,679 INFO L443 ceAbstractionStarter]: For program point L119(lines 119 390) no Hoare annotation was computed. [2019-10-22 08:58:11,679 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 521) no Hoare annotation was computed. [2019-10-22 08:58:11,680 INFO L443 ceAbstractionStarter]: For program point L318(lines 318 390) no Hoare annotation was computed. [2019-10-22 08:58:11,680 INFO L443 ceAbstractionStarter]: For program point L186(lines 186 390) no Hoare annotation was computed. [2019-10-22 08:58:11,680 INFO L443 ceAbstractionStarter]: For program point L54(lines 54 390) no Hoare annotation was computed. [2019-10-22 08:58:11,680 INFO L443 ceAbstractionStarter]: For program point L550-1(lines 30 575) no Hoare annotation was computed. [2019-10-22 08:58:11,680 INFO L439 ceAbstractionStarter]: At program point L583-2(lines 583 593) the Hoare annotation is: (let ((.cse1 (not (= ~a16~0 6))) (.cse4 (<= ~a17~0 0)) (.cse0 (= 1 ~a7~0)) (.cse7 (= ~a16~0 5)) (.cse6 (not (= ~a8~0 13))) (.cse5 (= ~a21~0 1)) (.cse3 (= ~a20~0 1)) (.cse2 (= ~a17~0 1))) (or (and .cse0 .cse1 .cse2) (and .cse0 .cse3) (and .cse1 .cse4 .cse5) (and .cse6 .cse4 .cse5) (and .cse4 .cse5 .cse3) (and .cse5 .cse3 .cse7) (and .cse6 .cse0 .cse5 .cse7) (and (and .cse6 .cse5) .cse2) (and (and .cse5 .cse3) .cse2))) [2019-10-22 08:58:11,680 INFO L443 ceAbstractionStarter]: For program point L517-1(lines 30 575) no Hoare annotation was computed. [2019-10-22 08:58:11,680 INFO L443 ceAbstractionStarter]: For program point L484-1(lines 30 575) no Hoare annotation was computed. [2019-10-22 08:58:11,680 INFO L443 ceAbstractionStarter]: For program point L451-1(lines 30 575) no Hoare annotation was computed. [2019-10-22 08:58:11,680 INFO L443 ceAbstractionStarter]: For program point L418-1(lines 30 575) no Hoare annotation was computed. [2019-10-22 08:58:11,680 INFO L443 ceAbstractionStarter]: For program point L286(lines 286 390) no Hoare annotation was computed. [2019-10-22 08:58:11,681 INFO L443 ceAbstractionStarter]: For program point L551(line 551) no Hoare annotation was computed. [2019-10-22 08:58:11,681 INFO L443 ceAbstractionStarter]: For program point L518(line 518) no Hoare annotation was computed. [2019-10-22 08:58:11,681 INFO L443 ceAbstractionStarter]: For program point L485(line 485) no Hoare annotation was computed. [2019-10-22 08:58:11,681 INFO L443 ceAbstractionStarter]: For program point L452(line 452) no Hoare annotation was computed. [2019-10-22 08:58:11,681 INFO L443 ceAbstractionStarter]: For program point L419(line 419) no Hoare annotation was computed. [2019-10-22 08:58:11,681 INFO L443 ceAbstractionStarter]: For program point L353(lines 353 390) no Hoare annotation was computed. [2019-10-22 08:58:11,681 INFO L443 ceAbstractionStarter]: For program point L189(lines 189 390) no Hoare annotation was computed. [2019-10-22 08:58:11,681 INFO L443 ceAbstractionStarter]: For program point L553-1(lines 30 575) no Hoare annotation was computed. [2019-10-22 08:58:11,681 INFO L443 ceAbstractionStarter]: For program point L520-1(lines 30 575) no Hoare annotation was computed. [2019-10-22 08:58:11,681 INFO L443 ceAbstractionStarter]: For program point L487-1(lines 30 575) no Hoare annotation was computed. [2019-10-22 08:58:11,681 INFO L443 ceAbstractionStarter]: For program point L454-1(lines 30 575) no Hoare annotation was computed. [2019-10-22 08:58:11,682 INFO L443 ceAbstractionStarter]: For program point L421-1(lines 30 575) no Hoare annotation was computed. [2019-10-22 08:58:11,682 INFO L443 ceAbstractionStarter]: For program point L355(lines 355 390) no Hoare annotation was computed. [2019-10-22 08:58:11,682 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-22 08:58:11,682 INFO L443 ceAbstractionStarter]: For program point L256(lines 256 390) no Hoare annotation was computed. [2019-10-22 08:58:11,682 INFO L443 ceAbstractionStarter]: For program point L223(lines 223 390) no Hoare annotation was computed. [2019-10-22 08:58:11,682 INFO L443 ceAbstractionStarter]: For program point L124(lines 124 390) no Hoare annotation was computed. [2019-10-22 08:58:11,682 INFO L443 ceAbstractionStarter]: For program point L554(line 554) no Hoare annotation was computed. [2019-10-22 08:58:11,682 INFO L443 ceAbstractionStarter]: For program point L521(line 521) no Hoare annotation was computed. [2019-10-22 08:58:11,683 INFO L443 ceAbstractionStarter]: For program point L488(line 488) no Hoare annotation was computed. [2019-10-22 08:58:11,683 INFO L443 ceAbstractionStarter]: For program point L455(line 455) no Hoare annotation was computed. [2019-10-22 08:58:11,683 INFO L443 ceAbstractionStarter]: For program point L422(line 422) no Hoare annotation was computed. [2019-10-22 08:58:11,683 INFO L443 ceAbstractionStarter]: For program point L92(lines 92 390) no Hoare annotation was computed. [2019-10-22 08:58:11,683 INFO L443 ceAbstractionStarter]: For program point L588(line 588) no Hoare annotation was computed. [2019-10-22 08:58:11,683 INFO L443 ceAbstractionStarter]: For program point L324(lines 324 390) no Hoare annotation was computed. [2019-10-22 08:58:11,683 INFO L443 ceAbstractionStarter]: For program point L556-1(lines 30 575) no Hoare annotation was computed. [2019-10-22 08:58:11,683 INFO L443 ceAbstractionStarter]: For program point L523-1(lines 30 575) no Hoare annotation was computed. [2019-10-22 08:58:11,684 INFO L443 ceAbstractionStarter]: For program point L490-1(lines 30 575) no Hoare annotation was computed. [2019-10-22 08:58:11,684 INFO L443 ceAbstractionStarter]: For program point L457-1(lines 30 575) no Hoare annotation was computed. [2019-10-22 08:58:11,684 INFO L443 ceAbstractionStarter]: For program point L391(lines 391 393) no Hoare annotation was computed. [2019-10-22 08:58:11,684 INFO L443 ceAbstractionStarter]: For program point L424-1(lines 30 575) no Hoare annotation was computed. [2019-10-22 08:58:11,684 INFO L443 ceAbstractionStarter]: For program point L391-2(lines 30 575) no Hoare annotation was computed. [2019-10-22 08:58:11,684 INFO L443 ceAbstractionStarter]: For program point L292(lines 292 390) no Hoare annotation was computed. [2019-10-22 08:58:11,684 INFO L443 ceAbstractionStarter]: For program point L160(lines 160 390) no Hoare annotation was computed. [2019-10-22 08:58:11,684 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-22 08:58:11,684 INFO L443 ceAbstractionStarter]: For program point L557(line 557) no Hoare annotation was computed. [2019-10-22 08:58:11,684 INFO L443 ceAbstractionStarter]: For program point L524(line 524) no Hoare annotation was computed. [2019-10-22 08:58:11,684 INFO L443 ceAbstractionStarter]: For program point L491(line 491) no Hoare annotation was computed. [2019-10-22 08:58:11,685 INFO L443 ceAbstractionStarter]: For program point L458(line 458) no Hoare annotation was computed. [2019-10-22 08:58:11,685 INFO L443 ceAbstractionStarter]: For program point L425(line 425) no Hoare annotation was computed. [2019-10-22 08:58:11,685 INFO L443 ceAbstractionStarter]: For program point L392(line 392) no Hoare annotation was computed. [2019-10-22 08:58:11,685 INFO L443 ceAbstractionStarter]: For program point L194(lines 194 390) no Hoare annotation was computed. [2019-10-22 08:58:11,685 INFO L443 ceAbstractionStarter]: For program point L62(lines 62 390) no Hoare annotation was computed. [2019-10-22 08:58:11,685 INFO L443 ceAbstractionStarter]: For program point L261(lines 261 390) no Hoare annotation was computed. [2019-10-22 08:58:11,685 INFO L443 ceAbstractionStarter]: For program point L129(lines 129 390) no Hoare annotation was computed. [2019-10-22 08:58:11,685 INFO L443 ceAbstractionStarter]: For program point L559-1(lines 30 575) no Hoare annotation was computed. [2019-10-22 08:58:11,685 INFO L443 ceAbstractionStarter]: For program point L526-1(lines 30 575) no Hoare annotation was computed. [2019-10-22 08:58:11,685 INFO L443 ceAbstractionStarter]: For program point L493-1(lines 30 575) no Hoare annotation was computed. [2019-10-22 08:58:11,685 INFO L443 ceAbstractionStarter]: For program point L460-1(lines 30 575) no Hoare annotation was computed. [2019-10-22 08:58:11,685 INFO L443 ceAbstractionStarter]: For program point L427-1(lines 30 575) no Hoare annotation was computed. [2019-10-22 08:58:11,685 INFO L443 ceAbstractionStarter]: For program point L361(lines 361 390) no Hoare annotation was computed. [2019-10-22 08:58:11,685 INFO L443 ceAbstractionStarter]: For program point L394-1(lines 30 575) no Hoare annotation was computed. [2019-10-22 08:58:11,685 INFO L443 ceAbstractionStarter]: For program point L97(lines 97 390) no Hoare annotation was computed. [2019-10-22 08:58:11,686 INFO L443 ceAbstractionStarter]: For program point L31(lines 31 390) no Hoare annotation was computed. [2019-10-22 08:58:11,686 INFO L443 ceAbstractionStarter]: For program point L560(line 560) no Hoare annotation was computed. [2019-10-22 08:58:11,686 INFO L443 ceAbstractionStarter]: For program point L527(line 527) no Hoare annotation was computed. [2019-10-22 08:58:11,686 INFO L443 ceAbstractionStarter]: For program point L494(line 494) no Hoare annotation was computed. [2019-10-22 08:58:11,686 INFO L443 ceAbstractionStarter]: For program point L461(line 461) no Hoare annotation was computed. [2019-10-22 08:58:11,686 INFO L443 ceAbstractionStarter]: For program point L428(line 428) no Hoare annotation was computed. [2019-10-22 08:58:11,686 INFO L443 ceAbstractionStarter]: For program point L395(line 395) no Hoare annotation was computed. [2019-10-22 08:58:11,686 INFO L443 ceAbstractionStarter]: For program point L329(lines 329 390) no Hoare annotation was computed. [2019-10-22 08:58:11,686 INFO L443 ceAbstractionStarter]: For program point L197(lines 197 390) no Hoare annotation was computed. [2019-10-22 08:58:11,686 INFO L443 ceAbstractionStarter]: For program point L65(lines 65 390) no Hoare annotation was computed. [2019-10-22 08:58:11,687 INFO L443 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2019-10-22 08:58:11,687 INFO L443 ceAbstractionStarter]: For program point L363(lines 363 390) no Hoare annotation was computed. [2019-10-22 08:58:11,687 INFO L443 ceAbstractionStarter]: For program point L231(lines 231 390) no Hoare annotation was computed. [2019-10-22 08:58:11,687 INFO L443 ceAbstractionStarter]: For program point L165(lines 165 390) no Hoare annotation was computed. [2019-10-22 08:58:11,687 INFO L443 ceAbstractionStarter]: For program point L562-1(lines 30 575) no Hoare annotation was computed. [2019-10-22 08:58:11,687 INFO L443 ceAbstractionStarter]: For program point L529-1(lines 30 575) no Hoare annotation was computed. [2019-10-22 08:58:11,687 INFO L443 ceAbstractionStarter]: For program point L496-1(lines 30 575) no Hoare annotation was computed. [2019-10-22 08:58:11,687 INFO L443 ceAbstractionStarter]: For program point L463-1(lines 30 575) no Hoare annotation was computed. [2019-10-22 08:58:11,688 INFO L443 ceAbstractionStarter]: For program point L430-1(lines 30 575) no Hoare annotation was computed. [2019-10-22 08:58:11,688 INFO L443 ceAbstractionStarter]: For program point L397-1(lines 30 575) no Hoare annotation was computed. [2019-10-22 08:58:11,688 INFO L443 ceAbstractionStarter]: For program point L265(lines 265 390) no Hoare annotation was computed. [2019-10-22 08:58:11,688 INFO L443 ceAbstractionStarter]: For program point L563(line 563) no Hoare annotation was computed. [2019-10-22 08:58:11,688 INFO L443 ceAbstractionStarter]: For program point L530(line 530) no Hoare annotation was computed. [2019-10-22 08:58:11,688 INFO L443 ceAbstractionStarter]: For program point L497(line 497) no Hoare annotation was computed. [2019-10-22 08:58:11,688 INFO L443 ceAbstractionStarter]: For program point L464(line 464) no Hoare annotation was computed. [2019-10-22 08:58:11,688 INFO L443 ceAbstractionStarter]: For program point L431(line 431) no Hoare annotation was computed. [2019-10-22 08:58:11,688 INFO L443 ceAbstractionStarter]: For program point L398(line 398) no Hoare annotation was computed. [2019-10-22 08:58:11,688 INFO L443 ceAbstractionStarter]: For program point L365(lines 365 390) no Hoare annotation was computed. [2019-10-22 08:58:11,688 INFO L443 ceAbstractionStarter]: For program point L299(lines 299 390) no Hoare annotation was computed. [2019-10-22 08:58:11,688 INFO L443 ceAbstractionStarter]: For program point L35(lines 35 390) no Hoare annotation was computed. [2019-10-22 08:58:11,704 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.10 08:58:11 BoogieIcfgContainer [2019-10-22 08:58:11,705 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-22 08:58:11,705 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-10-22 08:58:11,705 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-10-22 08:58:11,705 INFO L275 PluginConnector]: Witness Printer initialized [2019-10-22 08:58:11,706 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 08:58:03" (3/4) ... [2019-10-22 08:58:11,709 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-10-22 08:58:11,729 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2019-10-22 08:58:11,737 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-10-22 08:58:11,887 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_c6db61e5-8b65-4994-8b47-ead2c04e9f81/bin/uautomizer/witness.graphml [2019-10-22 08:58:11,887 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-10-22 08:58:11,889 INFO L168 Benchmark]: Toolchain (without parser) took 10300.46 ms. Allocated memory was 1.0 GB in the beginning and 1.5 GB in the end (delta: 426.2 MB). Free memory was 940.4 MB in the beginning and 1.2 GB in the end (delta: -297.7 MB). Peak memory consumption was 128.6 MB. Max. memory is 11.5 GB. [2019-10-22 08:58:11,889 INFO L168 Benchmark]: CDTParser took 0.31 ms. Allocated memory is still 1.0 GB. Free memory is still 960.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 08:58:11,889 INFO L168 Benchmark]: CACSL2BoogieTranslator took 723.54 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 139.5 MB). Free memory was 940.4 MB in the beginning and 1.1 GB in the end (delta: -166.9 MB). Peak memory consumption was 22.4 MB. Max. memory is 11.5 GB. [2019-10-22 08:58:11,890 INFO L168 Benchmark]: Boogie Procedure Inliner took 89.31 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2019-10-22 08:58:11,890 INFO L168 Benchmark]: Boogie Preprocessor took 71.29 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 11.5 GB. [2019-10-22 08:58:11,893 INFO L168 Benchmark]: RCFGBuilder took 1018.71 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 987.5 MB in the end (delta: 109.7 MB). Peak memory consumption was 109.7 MB. Max. memory is 11.5 GB. [2019-10-22 08:58:11,894 INFO L168 Benchmark]: TraceAbstraction took 8210.82 ms. Allocated memory was 1.2 GB in the beginning and 1.5 GB in the end (delta: 286.8 MB). Free memory was 987.5 MB in the beginning and 1.3 GB in the end (delta: -275.7 MB). Peak memory consumption was 11.1 MB. Max. memory is 11.5 GB. [2019-10-22 08:58:11,894 INFO L168 Benchmark]: Witness Printer took 182.49 ms. Allocated memory is still 1.5 GB. Free memory was 1.3 GB in the beginning and 1.2 GB in the end (delta: 25.2 MB). Peak memory consumption was 25.2 MB. Max. memory is 11.5 GB. [2019-10-22 08:58:11,896 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.31 ms. Allocated memory is still 1.0 GB. Free memory is still 960.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 723.54 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 139.5 MB). Free memory was 940.4 MB in the beginning and 1.1 GB in the end (delta: -166.9 MB). Peak memory consumption was 22.4 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 89.31 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 71.29 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.3 MB). Peak memory consumption was 3.3 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1018.71 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 987.5 MB in the end (delta: 109.7 MB). Peak memory consumption was 109.7 MB. Max. memory is 11.5 GB. * TraceAbstraction took 8210.82 ms. Allocated memory was 1.2 GB in the beginning and 1.5 GB in the end (delta: 286.8 MB). Free memory was 987.5 MB in the beginning and 1.3 GB in the end (delta: -275.7 MB). Peak memory consumption was 11.1 MB. Max. memory is 11.5 GB. * Witness Printer took 182.49 ms. Allocated memory is still 1.5 GB. Free memory was 1.3 GB in the beginning and 1.2 GB in the end (delta: 25.2 MB). Peak memory consumption was 25.2 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 521]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 30]: Loop Invariant Derived loop invariant: (((((((((1 == a7 && !(a16 == 6)) && a17 == 1) || (1 == a7 && a20 == 1)) || ((!(a16 == 6) && a17 <= 0) && a21 == 1)) || ((!(a8 == 13) && a17 <= 0) && a21 == 1)) || ((a17 <= 0 && a21 == 1) && a20 == 1)) || ((a21 == 1 && a20 == 1) && a16 == 5)) || (((!(a8 == 13) && 1 == a7) && a21 == 1) && a16 == 5)) || ((!(a8 == 13) && a21 == 1) && a17 == 1)) || ((a21 == 1 && a20 == 1) && a17 == 1) - InvariantResult [Line: 577]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 583]: Loop Invariant Derived loop invariant: (((((((((1 == a7 && !(a16 == 6)) && a17 == 1) || (1 == a7 && a20 == 1)) || ((!(a16 == 6) && a17 <= 0) && a21 == 1)) || ((!(a8 == 13) && a17 <= 0) && a21 == 1)) || ((a17 <= 0 && a21 == 1) && a20 == 1)) || ((a21 == 1 && a20 == 1) && a16 == 5)) || (((!(a8 == 13) && 1 == a7) && a21 == 1) && a16 == 5)) || ((!(a8 == 13) && a21 == 1) && a17 == 1)) || ((a21 == 1 && a20 == 1) && a17 == 1) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 198 locations, 1 error locations. Result: SAFE, OverallTime: 8.1s, OverallIterations: 9, TraceHistogramMax: 5, AutomataDifference: 5.5s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.4s, HoareTripleCheckerStatistics: 649 SDtfs, 1722 SDslu, 75 SDs, 0 SdLazy, 4105 SolverSat, 714 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 4.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 247 GetRequests, 230 SyntacticMatches, 1 SemanticMatches, 16 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1838occurred in iteration=7, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 9 MinimizatonAttempts, 1574 StatesRemovedByMinimization, 6 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 39 NumberOfFragments, 197 HoareAnnotationTreeSize, 3 FomulaSimplifications, 1946 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 3 FomulaSimplificationsInter, 262 FormulaSimplificationTreeSizeReductionInter, 0.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 1680 NumberOfCodeBlocks, 1680 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 1670 ConstructedInterpolants, 0 QuantifiedInterpolants, 629216 SizeOfPredicates, 1 NumberOfNonLiveVariables, 361 ConjunctsInSsa, 2 ConjunctsInUnsatCore, 10 InterpolantComputations, 9 PerfectInterpolantSequences, 793/797 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...