./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem03_label40.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version cad46833 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_bb99bd40-300f-467d-8e5c-b7c2006d52b1/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_bb99bd40-300f-467d-8e5c-b7c2006d52b1/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_bb99bd40-300f-467d-8e5c-b7c2006d52b1/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_bb99bd40-300f-467d-8e5c-b7c2006d52b1/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem03_label40.c -s /tmp/vcloud-vcloud-master/worker/run_dir_bb99bd40-300f-467d-8e5c-b7c2006d52b1/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_bb99bd40-300f-467d-8e5c-b7c2006d52b1/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 5de86e6df71f32eb113c4f94e3eae8ef3888b51a ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-cad4683 [2019-11-15 22:27:10,628 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-15 22:27:10,630 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-15 22:27:10,640 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-15 22:27:10,640 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-15 22:27:10,641 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-15 22:27:10,643 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-15 22:27:10,645 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-15 22:27:10,647 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-15 22:27:10,648 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-15 22:27:10,649 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-15 22:27:10,650 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-15 22:27:10,650 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-15 22:27:10,651 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-15 22:27:10,652 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-15 22:27:10,653 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-15 22:27:10,654 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-15 22:27:10,655 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-15 22:27:10,657 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-15 22:27:10,659 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-15 22:27:10,661 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-15 22:27:10,662 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-15 22:27:10,663 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-15 22:27:10,664 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-15 22:27:10,666 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-15 22:27:10,667 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-15 22:27:10,667 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-15 22:27:10,668 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-15 22:27:10,668 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-15 22:27:10,669 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-15 22:27:10,670 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-15 22:27:10,670 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-15 22:27:10,671 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-15 22:27:10,672 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-15 22:27:10,673 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-15 22:27:10,673 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-15 22:27:10,674 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-15 22:27:10,674 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-15 22:27:10,675 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-15 22:27:10,676 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-15 22:27:10,676 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-15 22:27:10,677 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_bb99bd40-300f-467d-8e5c-b7c2006d52b1/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-15 22:27:10,690 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-15 22:27:10,690 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-15 22:27:10,691 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-15 22:27:10,691 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-15 22:27:10,692 INFO L138 SettingsManager]: * Use SBE=true [2019-11-15 22:27:10,692 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-15 22:27:10,692 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-15 22:27:10,692 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-15 22:27:10,693 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-15 22:27:10,693 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-15 22:27:10,693 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-15 22:27:10,693 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-15 22:27:10,694 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-15 22:27:10,694 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-15 22:27:10,694 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-15 22:27:10,694 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-15 22:27:10,695 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-15 22:27:10,695 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-15 22:27:10,695 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-15 22:27:10,695 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-15 22:27:10,695 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-15 22:27:10,696 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-15 22:27:10,696 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-15 22:27:10,696 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-15 22:27:10,696 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-15 22:27:10,697 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-15 22:27:10,697 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-15 22:27:10,697 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-15 22:27:10,697 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_bb99bd40-300f-467d-8e5c-b7c2006d52b1/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 -> 5de86e6df71f32eb113c4f94e3eae8ef3888b51a [2019-11-15 22:27:10,723 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-15 22:27:10,733 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-15 22:27:10,736 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-15 22:27:10,737 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-15 22:27:10,737 INFO L275 PluginConnector]: CDTParser initialized [2019-11-15 22:27:10,738 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_bb99bd40-300f-467d-8e5c-b7c2006d52b1/bin/uautomizer/../../sv-benchmarks/c/eca-rers2012/Problem03_label40.c [2019-11-15 22:27:10,792 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_bb99bd40-300f-467d-8e5c-b7c2006d52b1/bin/uautomizer/data/daf449098/22b932d90c7942548b691f5cec0ee2bd/FLAG2d9726ef1 [2019-11-15 22:27:11,353 INFO L306 CDTParser]: Found 1 translation units. [2019-11-15 22:27:11,355 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_bb99bd40-300f-467d-8e5c-b7c2006d52b1/sv-benchmarks/c/eca-rers2012/Problem03_label40.c [2019-11-15 22:27:11,376 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_bb99bd40-300f-467d-8e5c-b7c2006d52b1/bin/uautomizer/data/daf449098/22b932d90c7942548b691f5cec0ee2bd/FLAG2d9726ef1 [2019-11-15 22:27:11,614 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_bb99bd40-300f-467d-8e5c-b7c2006d52b1/bin/uautomizer/data/daf449098/22b932d90c7942548b691f5cec0ee2bd [2019-11-15 22:27:11,616 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-15 22:27:11,618 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-15 22:27:11,618 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-15 22:27:11,619 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-15 22:27:11,623 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-15 22:27:11,624 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.11 10:27:11" (1/1) ... [2019-11-15 22:27:11,634 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@17ebe14f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:27:11, skipping insertion in model container [2019-11-15 22:27:11,634 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 15.11 10:27:11" (1/1) ... [2019-11-15 22:27:11,640 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-15 22:27:11,717 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-15 22:27:12,459 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-15 22:27:12,464 INFO L188 MainTranslator]: Completed pre-run [2019-11-15 22:27:12,707 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-15 22:27:12,731 INFO L192 MainTranslator]: Completed translation [2019-11-15 22:27:12,732 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:27:12 WrapperNode [2019-11-15 22:27:12,732 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-15 22:27:12,733 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-15 22:27:12,733 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-15 22:27:12,734 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-15 22:27:12,742 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:27:12" (1/1) ... [2019-11-15 22:27:12,784 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:27:12" (1/1) ... [2019-11-15 22:27:12,875 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-15 22:27:12,876 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-15 22:27:12,877 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-15 22:27:12,877 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-15 22:27:12,886 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:27:12" (1/1) ... [2019-11-15 22:27:12,886 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:27:12" (1/1) ... [2019-11-15 22:27:12,891 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:27:12" (1/1) ... [2019-11-15 22:27:12,892 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:27:12" (1/1) ... [2019-11-15 22:27:12,942 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:27:12" (1/1) ... [2019-11-15 22:27:12,965 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:27:12" (1/1) ... [2019-11-15 22:27:12,976 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:27:12" (1/1) ... [2019-11-15 22:27:12,984 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-15 22:27:12,984 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-15 22:27:12,985 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-15 22:27:12,985 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-15 22:27:12,986 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:27:12" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_bb99bd40-300f-467d-8e5c-b7c2006d52b1/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-15 22:27:13,057 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-15 22:27:13,057 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-15 22:27:15,149 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-15 22:27:15,150 INFO L284 CfgBuilder]: Removed 7 assume(true) statements. [2019-11-15 22:27:15,151 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 10:27:15 BoogieIcfgContainer [2019-11-15 22:27:15,151 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-15 22:27:15,152 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-15 22:27:15,152 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-15 22:27:15,154 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-15 22:27:15,155 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 15.11 10:27:11" (1/3) ... [2019-11-15 22:27:15,155 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@25d4b777 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.11 10:27:15, skipping insertion in model container [2019-11-15 22:27:15,156 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 15.11 10:27:12" (2/3) ... [2019-11-15 22:27:15,156 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@25d4b777 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 15.11 10:27:15, skipping insertion in model container [2019-11-15 22:27:15,158 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 10:27:15" (3/3) ... [2019-11-15 22:27:15,160 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem03_label40.c [2019-11-15 22:27:15,169 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-15 22:27:15,177 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-15 22:27:15,187 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-15 22:27:15,220 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-15 22:27:15,220 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-15 22:27:15,220 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-15 22:27:15,220 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-15 22:27:15,221 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-15 22:27:15,221 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-15 22:27:15,221 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-15 22:27:15,221 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-15 22:27:15,240 INFO L276 IsEmpty]: Start isEmpty. Operand 302 states. [2019-11-15 22:27:15,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2019-11-15 22:27:15,259 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 22:27:15,260 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 22:27:15,262 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-15 22:27:15,267 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 22:27:15,268 INFO L82 PathProgramCache]: Analyzing trace with hash 359811874, now seen corresponding path program 1 times [2019-11-15 22:27:15,276 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 22:27:15,276 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [235919767] [2019-11-15 22:27:15,276 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:27:15,277 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:27:15,277 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 22:27:15,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:27:16,033 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 22:27:16,034 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [235919767] [2019-11-15 22:27:16,035 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 22:27:16,035 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-15 22:27:16,035 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [441679384] [2019-11-15 22:27:16,040 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-15 22:27:16,041 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 22:27:16,053 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-15 22:27:16,054 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-15 22:27:16,056 INFO L87 Difference]: Start difference. First operand 302 states. Second operand 4 states. [2019-11-15 22:27:18,391 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 22:27:18,392 INFO L93 Difference]: Finished difference Result 1075 states and 1929 transitions. [2019-11-15 22:27:18,392 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-15 22:27:18,393 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 184 [2019-11-15 22:27:18,395 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 22:27:18,413 INFO L225 Difference]: With dead ends: 1075 [2019-11-15 22:27:18,413 INFO L226 Difference]: Without dead ends: 677 [2019-11-15 22:27:18,418 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-15 22:27:18,438 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 677 states. [2019-11-15 22:27:18,504 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 677 to 451. [2019-11-15 22:27:18,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 451 states. [2019-11-15 22:27:18,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 451 states to 451 states and 700 transitions. [2019-11-15 22:27:18,513 INFO L78 Accepts]: Start accepts. Automaton has 451 states and 700 transitions. Word has length 184 [2019-11-15 22:27:18,514 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 22:27:18,514 INFO L462 AbstractCegarLoop]: Abstraction has 451 states and 700 transitions. [2019-11-15 22:27:18,514 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-15 22:27:18,514 INFO L276 IsEmpty]: Start isEmpty. Operand 451 states and 700 transitions. [2019-11-15 22:27:18,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2019-11-15 22:27:18,522 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 22:27:18,522 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 22:27:18,522 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-15 22:27:18,523 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 22:27:18,523 INFO L82 PathProgramCache]: Analyzing trace with hash -1976846399, now seen corresponding path program 1 times [2019-11-15 22:27:18,523 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 22:27:18,523 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [890148663] [2019-11-15 22:27:18,524 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:27:18,524 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:27:18,524 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 22:27:18,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:27:18,611 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 22:27:18,611 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [890148663] [2019-11-15 22:27:18,612 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 22:27:18,612 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-15 22:27:18,612 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [783557883] [2019-11-15 22:27:18,614 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-15 22:27:18,615 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 22:27:18,615 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-15 22:27:18,615 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-15 22:27:18,615 INFO L87 Difference]: Start difference. First operand 451 states and 700 transitions. Second operand 3 states. [2019-11-15 22:27:19,709 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 22:27:19,709 INFO L93 Difference]: Finished difference Result 1323 states and 2069 transitions. [2019-11-15 22:27:19,710 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-15 22:27:19,710 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 192 [2019-11-15 22:27:19,710 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 22:27:19,715 INFO L225 Difference]: With dead ends: 1323 [2019-11-15 22:27:19,715 INFO L226 Difference]: Without dead ends: 874 [2019-11-15 22:27:19,718 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 [2019-11-15 22:27:19,720 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 874 states. [2019-11-15 22:27:19,750 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 874 to 859. [2019-11-15 22:27:19,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 859 states. [2019-11-15 22:27:19,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 859 states to 859 states and 1316 transitions. [2019-11-15 22:27:19,754 INFO L78 Accepts]: Start accepts. Automaton has 859 states and 1316 transitions. Word has length 192 [2019-11-15 22:27:19,754 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 22:27:19,754 INFO L462 AbstractCegarLoop]: Abstraction has 859 states and 1316 transitions. [2019-11-15 22:27:19,755 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-15 22:27:19,755 INFO L276 IsEmpty]: Start isEmpty. Operand 859 states and 1316 transitions. [2019-11-15 22:27:19,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2019-11-15 22:27:19,759 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 22:27:19,759 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 22:27:19,759 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-15 22:27:19,760 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 22:27:19,760 INFO L82 PathProgramCache]: Analyzing trace with hash 2014638504, now seen corresponding path program 1 times [2019-11-15 22:27:19,760 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 22:27:19,761 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [943876478] [2019-11-15 22:27:19,761 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:27:19,761 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:27:19,761 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 22:27:19,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:27:19,871 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 22:27:19,873 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [943876478] [2019-11-15 22:27:19,873 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 22:27:19,873 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-15 22:27:19,873 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1083512042] [2019-11-15 22:27:19,875 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-15 22:27:19,875 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 22:27:19,875 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-15 22:27:19,876 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-15 22:27:19,881 INFO L87 Difference]: Start difference. First operand 859 states and 1316 transitions. Second operand 4 states. [2019-11-15 22:27:21,688 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 22:27:21,688 INFO L93 Difference]: Finished difference Result 3366 states and 5171 transitions. [2019-11-15 22:27:21,689 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-15 22:27:21,689 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 193 [2019-11-15 22:27:21,689 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 22:27:21,704 INFO L225 Difference]: With dead ends: 3366 [2019-11-15 22:27:21,704 INFO L226 Difference]: Without dead ends: 2509 [2019-11-15 22:27:21,706 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-15 22:27:21,710 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2509 states. [2019-11-15 22:27:21,763 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2509 to 1682. [2019-11-15 22:27:21,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1682 states. [2019-11-15 22:27:21,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1682 states to 1682 states and 2436 transitions. [2019-11-15 22:27:21,778 INFO L78 Accepts]: Start accepts. Automaton has 1682 states and 2436 transitions. Word has length 193 [2019-11-15 22:27:21,778 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 22:27:21,778 INFO L462 AbstractCegarLoop]: Abstraction has 1682 states and 2436 transitions. [2019-11-15 22:27:21,779 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-15 22:27:21,779 INFO L276 IsEmpty]: Start isEmpty. Operand 1682 states and 2436 transitions. [2019-11-15 22:27:21,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2019-11-15 22:27:21,785 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 22:27:21,786 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 22:27:21,786 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-15 22:27:21,786 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 22:27:21,787 INFO L82 PathProgramCache]: Analyzing trace with hash 711058172, now seen corresponding path program 1 times [2019-11-15 22:27:21,787 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 22:27:21,787 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1798386001] [2019-11-15 22:27:21,787 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:27:21,787 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:27:21,788 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 22:27:21,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:27:21,888 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 22:27:21,888 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1798386001] [2019-11-15 22:27:21,888 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 22:27:21,889 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-15 22:27:21,889 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [891697102] [2019-11-15 22:27:21,890 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-15 22:27:21,891 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 22:27:21,891 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-15 22:27:21,891 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-15 22:27:21,892 INFO L87 Difference]: Start difference. First operand 1682 states and 2436 transitions. Second operand 3 states. [2019-11-15 22:27:22,692 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 22:27:22,692 INFO L93 Difference]: Finished difference Result 4187 states and 6045 transitions. [2019-11-15 22:27:22,702 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-15 22:27:22,702 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 194 [2019-11-15 22:27:22,702 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 22:27:22,716 INFO L225 Difference]: With dead ends: 4187 [2019-11-15 22:27:22,717 INFO L226 Difference]: Without dead ends: 2507 [2019-11-15 22:27:22,719 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 [2019-11-15 22:27:22,723 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2507 states. [2019-11-15 22:27:22,766 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2507 to 2506. [2019-11-15 22:27:22,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2506 states. [2019-11-15 22:27:22,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2506 states to 2506 states and 3555 transitions. [2019-11-15 22:27:22,773 INFO L78 Accepts]: Start accepts. Automaton has 2506 states and 3555 transitions. Word has length 194 [2019-11-15 22:27:22,773 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 22:27:22,773 INFO L462 AbstractCegarLoop]: Abstraction has 2506 states and 3555 transitions. [2019-11-15 22:27:22,773 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-15 22:27:22,774 INFO L276 IsEmpty]: Start isEmpty. Operand 2506 states and 3555 transitions. [2019-11-15 22:27:22,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2019-11-15 22:27:22,780 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 22:27:22,780 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 22:27:22,781 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-15 22:27:22,781 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 22:27:22,781 INFO L82 PathProgramCache]: Analyzing trace with hash 2013935212, now seen corresponding path program 1 times [2019-11-15 22:27:22,781 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 22:27:22,782 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [245682887] [2019-11-15 22:27:22,782 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:27:22,782 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:27:22,782 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 22:27:22,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:27:23,066 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-11-15 22:27:23,069 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [245682887] [2019-11-15 22:27:23,069 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 22:27:23,069 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-15 22:27:23,070 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [807203072] [2019-11-15 22:27:23,071 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-15 22:27:23,071 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 22:27:23,072 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-15 22:27:23,072 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-15 22:27:23,072 INFO L87 Difference]: Start difference. First operand 2506 states and 3555 transitions. Second operand 3 states. [2019-11-15 22:27:23,833 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 22:27:23,833 INFO L93 Difference]: Finished difference Result 5012 states and 7112 transitions. [2019-11-15 22:27:23,838 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-15 22:27:23,838 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 199 [2019-11-15 22:27:23,839 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 22:27:23,853 INFO L225 Difference]: With dead ends: 5012 [2019-11-15 22:27:23,853 INFO L226 Difference]: Without dead ends: 2508 [2019-11-15 22:27:23,857 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 [2019-11-15 22:27:23,860 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2508 states. [2019-11-15 22:27:23,909 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2508 to 2506. [2019-11-15 22:27:23,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2506 states. [2019-11-15 22:27:23,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2506 states to 2506 states and 3320 transitions. [2019-11-15 22:27:23,917 INFO L78 Accepts]: Start accepts. Automaton has 2506 states and 3320 transitions. Word has length 199 [2019-11-15 22:27:23,918 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 22:27:23,918 INFO L462 AbstractCegarLoop]: Abstraction has 2506 states and 3320 transitions. [2019-11-15 22:27:23,919 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-15 22:27:23,919 INFO L276 IsEmpty]: Start isEmpty. Operand 2506 states and 3320 transitions. [2019-11-15 22:27:23,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2019-11-15 22:27:23,926 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 22:27:23,926 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 22:27:23,926 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-15 22:27:23,926 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 22:27:23,927 INFO L82 PathProgramCache]: Analyzing trace with hash 446391015, now seen corresponding path program 1 times [2019-11-15 22:27:23,927 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 22:27:23,927 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [507837369] [2019-11-15 22:27:23,928 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:27:23,928 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:27:23,928 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 22:27:23,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:27:24,106 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 19 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-15 22:27:24,107 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [507837369] [2019-11-15 22:27:24,107 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [770915400] [2019-11-15 22:27:24,107 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_bb99bd40-300f-467d-8e5c-b7c2006d52b1/bin/uautomizer/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-15 22:27:24,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:27:24,232 INFO L256 TraceCheckSpWp]: Trace formula consists of 381 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-15 22:27:24,244 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-15 22:27:24,329 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-11-15 22:27:24,329 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-11-15 22:27:24,329 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 7 [2019-11-15 22:27:24,330 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1088605540] [2019-11-15 22:27:24,330 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-15 22:27:24,331 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 22:27:24,331 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-15 22:27:24,331 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2019-11-15 22:27:24,332 INFO L87 Difference]: Start difference. First operand 2506 states and 3320 transitions. Second operand 3 states. [2019-11-15 22:27:25,491 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 22:27:25,491 INFO L93 Difference]: Finished difference Result 7467 states and 9897 transitions. [2019-11-15 22:27:25,491 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-15 22:27:25,491 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 201 [2019-11-15 22:27:25,492 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 22:27:25,516 INFO L225 Difference]: With dead ends: 7467 [2019-11-15 22:27:25,517 INFO L226 Difference]: Without dead ends: 4963 [2019-11-15 22:27:25,520 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 205 GetRequests, 200 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2019-11-15 22:27:25,526 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4963 states. [2019-11-15 22:27:25,610 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4963 to 4962. [2019-11-15 22:27:25,610 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 4962 states. [2019-11-15 22:27:25,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4962 states to 4962 states and 6355 transitions. [2019-11-15 22:27:25,621 INFO L78 Accepts]: Start accepts. Automaton has 4962 states and 6355 transitions. Word has length 201 [2019-11-15 22:27:25,622 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 22:27:25,622 INFO L462 AbstractCegarLoop]: Abstraction has 4962 states and 6355 transitions. [2019-11-15 22:27:25,624 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-15 22:27:25,624 INFO L276 IsEmpty]: Start isEmpty. Operand 4962 states and 6355 transitions. [2019-11-15 22:27:25,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2019-11-15 22:27:25,635 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 22:27:25,635 INFO L380 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 3, 3, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 22:27:25,847 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-15 22:27:25,847 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-15 22:27:25,848 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 22:27:25,848 INFO L82 PathProgramCache]: Analyzing trace with hash -921192644, now seen corresponding path program 1 times [2019-11-15 22:27:25,848 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 22:27:25,848 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2075223065] [2019-11-15 22:27:25,848 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:27:25,848 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:27:25,848 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 22:27:25,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:27:25,991 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 28 proven. 8 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2019-11-15 22:27:25,991 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2075223065] [2019-11-15 22:27:25,991 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [826709816] [2019-11-15 22:27:25,992 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_bb99bd40-300f-467d-8e5c-b7c2006d52b1/bin/uautomizer/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-15 22:27:26,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:27:26,120 INFO L256 TraceCheckSpWp]: Trace formula consists of 452 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-15 22:27:26,126 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-15 22:27:26,158 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2019-11-15 22:27:26,158 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-11-15 22:27:26,159 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [3] total 3 [2019-11-15 22:27:26,159 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [909332633] [2019-11-15 22:27:26,159 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-15 22:27:26,160 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 22:27:26,160 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-15 22:27:26,160 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-15 22:27:26,160 INFO L87 Difference]: Start difference. First operand 4962 states and 6355 transitions. Second operand 3 states. [2019-11-15 22:27:26,482 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 22:27:26,482 INFO L93 Difference]: Finished difference Result 14878 states and 19057 transitions. [2019-11-15 22:27:26,482 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-15 22:27:26,483 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 213 [2019-11-15 22:27:26,483 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 22:27:26,526 INFO L225 Difference]: With dead ends: 14878 [2019-11-15 22:27:26,526 INFO L226 Difference]: Without dead ends: 9918 [2019-11-15 22:27:26,533 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 215 GetRequests, 213 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-15 22:27:26,546 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 9918 states. [2019-11-15 22:27:26,715 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 9918 to 9916. [2019-11-15 22:27:26,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 9916 states. [2019-11-15 22:27:26,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 9916 states to 9916 states and 12678 transitions. [2019-11-15 22:27:26,738 INFO L78 Accepts]: Start accepts. Automaton has 9916 states and 12678 transitions. Word has length 213 [2019-11-15 22:27:26,738 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 22:27:26,738 INFO L462 AbstractCegarLoop]: Abstraction has 9916 states and 12678 transitions. [2019-11-15 22:27:26,738 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-15 22:27:26,739 INFO L276 IsEmpty]: Start isEmpty. Operand 9916 states and 12678 transitions. [2019-11-15 22:27:26,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 233 [2019-11-15 22:27:26,761 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 22:27:26,761 INFO L380 BasicCegarLoop]: trace histogram [6, 6, 5, 5, 5, 5, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 22:27:26,965 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-15 22:27:26,965 INFO L410 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-15 22:27:26,966 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 22:27:26,966 INFO L82 PathProgramCache]: Analyzing trace with hash 1047046167, now seen corresponding path program 1 times [2019-11-15 22:27:26,966 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 22:27:26,967 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [646187295] [2019-11-15 22:27:26,967 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:27:26,967 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:27:26,968 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 22:27:26,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:27:27,064 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 60 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2019-11-15 22:27:27,064 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [646187295] [2019-11-15 22:27:27,065 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 22:27:27,065 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-15 22:27:27,066 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [109225023] [2019-11-15 22:27:27,066 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-15 22:27:27,067 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 22:27:27,067 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-15 22:27:27,067 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-15 22:27:27,067 INFO L87 Difference]: Start difference. First operand 9916 states and 12678 transitions. Second operand 3 states. [2019-11-15 22:27:28,104 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 22:27:28,104 INFO L93 Difference]: Finished difference Result 28768 states and 36776 transitions. [2019-11-15 22:27:28,105 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-15 22:27:28,105 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 232 [2019-11-15 22:27:28,105 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 22:27:28,181 INFO L225 Difference]: With dead ends: 28768 [2019-11-15 22:27:28,181 INFO L226 Difference]: Without dead ends: 18854 [2019-11-15 22:27:28,193 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-15 22:27:28,215 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 18854 states. [2019-11-15 22:27:28,479 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 18854 to 18036. [2019-11-15 22:27:28,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 18036 states. [2019-11-15 22:27:28,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 18036 states to 18036 states and 21366 transitions. [2019-11-15 22:27:28,505 INFO L78 Accepts]: Start accepts. Automaton has 18036 states and 21366 transitions. Word has length 232 [2019-11-15 22:27:28,505 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 22:27:28,506 INFO L462 AbstractCegarLoop]: Abstraction has 18036 states and 21366 transitions. [2019-11-15 22:27:28,506 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-15 22:27:28,506 INFO L276 IsEmpty]: Start isEmpty. Operand 18036 states and 21366 transitions. [2019-11-15 22:27:28,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 243 [2019-11-15 22:27:28,539 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 22:27:28,540 INFO L380 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 22:27:28,540 INFO L410 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-15 22:27:28,540 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 22:27:28,541 INFO L82 PathProgramCache]: Analyzing trace with hash 1401703688, now seen corresponding path program 1 times [2019-11-15 22:27:28,541 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 22:27:28,541 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1489621058] [2019-11-15 22:27:28,541 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:27:28,541 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:27:28,542 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 22:27:28,585 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:27:28,684 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2019-11-15 22:27:28,684 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1489621058] [2019-11-15 22:27:28,685 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 22:27:28,685 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-11-15 22:27:28,686 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1838607278] [2019-11-15 22:27:28,686 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-15 22:27:28,687 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 22:27:28,687 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-15 22:27:28,687 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-15 22:27:28,688 INFO L87 Difference]: Start difference. First operand 18036 states and 21366 transitions. Second operand 3 states. [2019-11-15 22:27:29,331 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 22:27:29,331 INFO L93 Difference]: Finished difference Result 36008 states and 42646 transitions. [2019-11-15 22:27:29,332 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-15 22:27:29,332 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 242 [2019-11-15 22:27:29,332 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 22:27:29,359 INFO L225 Difference]: With dead ends: 36008 [2019-11-15 22:27:29,359 INFO L226 Difference]: Without dead ends: 17974 [2019-11-15 22:27:29,376 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 [2019-11-15 22:27:29,402 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 17974 states. [2019-11-15 22:27:29,597 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 17974 to 17974. [2019-11-15 22:27:29,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 17974 states. [2019-11-15 22:27:29,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17974 states to 17974 states and 21000 transitions. [2019-11-15 22:27:29,626 INFO L78 Accepts]: Start accepts. Automaton has 17974 states and 21000 transitions. Word has length 242 [2019-11-15 22:27:29,627 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 22:27:29,627 INFO L462 AbstractCegarLoop]: Abstraction has 17974 states and 21000 transitions. [2019-11-15 22:27:29,627 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-15 22:27:29,627 INFO L276 IsEmpty]: Start isEmpty. Operand 17974 states and 21000 transitions. [2019-11-15 22:27:29,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 247 [2019-11-15 22:27:29,660 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 22:27:29,661 INFO L380 BasicCegarLoop]: trace histogram [4, 4, 4, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 22:27:29,661 INFO L410 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-15 22:27:29,661 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 22:27:29,661 INFO L82 PathProgramCache]: Analyzing trace with hash 1986164918, now seen corresponding path program 1 times [2019-11-15 22:27:29,662 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 22:27:29,663 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1506964367] [2019-11-15 22:27:29,664 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:27:29,664 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:27:29,664 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 22:27:29,700 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:27:29,993 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 70 proven. 3 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2019-11-15 22:27:29,997 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1506964367] [2019-11-15 22:27:29,997 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1012961698] [2019-11-15 22:27:29,998 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_bb99bd40-300f-467d-8e5c-b7c2006d52b1/bin/uautomizer/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-15 22:27:30,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:27:30,126 INFO L256 TraceCheckSpWp]: Trace formula consists of 477 conjuncts, 3 conjunts are in the unsatisfiable core [2019-11-15 22:27:30,134 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-15 22:27:30,186 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 61 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2019-11-15 22:27:30,186 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-11-15 22:27:30,187 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [5] total 6 [2019-11-15 22:27:30,187 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1579492770] [2019-11-15 22:27:30,187 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-15 22:27:30,188 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 22:27:30,188 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-15 22:27:30,189 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2019-11-15 22:27:30,189 INFO L87 Difference]: Start difference. First operand 17974 states and 21000 transitions. Second operand 3 states. [2019-11-15 22:27:30,746 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 22:27:30,746 INFO L93 Difference]: Finished difference Result 52236 states and 60908 transitions. [2019-11-15 22:27:30,746 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-15 22:27:30,747 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 246 [2019-11-15 22:27:30,747 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 22:27:30,789 INFO L225 Difference]: With dead ends: 52236 [2019-11-15 22:27:30,789 INFO L226 Difference]: Without dead ends: 34264 [2019-11-15 22:27:30,808 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 250 GetRequests, 245 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=28, Unknown=0, NotChecked=0, Total=42 [2019-11-15 22:27:30,841 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 34264 states. [2019-11-15 22:27:31,169 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 34264 to 34262. [2019-11-15 22:27:31,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 34262 states. [2019-11-15 22:27:31,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 34262 states to 34262 states and 39891 transitions. [2019-11-15 22:27:31,222 INFO L78 Accepts]: Start accepts. Automaton has 34262 states and 39891 transitions. Word has length 246 [2019-11-15 22:27:31,222 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 22:27:31,222 INFO L462 AbstractCegarLoop]: Abstraction has 34262 states and 39891 transitions. [2019-11-15 22:27:31,223 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-15 22:27:31,223 INFO L276 IsEmpty]: Start isEmpty. Operand 34262 states and 39891 transitions. [2019-11-15 22:27:31,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 265 [2019-11-15 22:27:31,278 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 22:27:31,278 INFO L380 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-15 22:27:31,490 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-15 22:27:31,491 INFO L410 AbstractCegarLoop]: === Iteration 11 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-15 22:27:31,491 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 22:27:31,491 INFO L82 PathProgramCache]: Analyzing trace with hash -837336318, now seen corresponding path program 1 times [2019-11-15 22:27:31,491 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 22:27:31,491 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [910510909] [2019-11-15 22:27:31,492 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:27:31,492 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:27:31,492 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 22:27:31,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:27:31,701 INFO L134 CoverageAnalysis]: Checked inductivity of 123 backedges. 88 proven. 3 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2019-11-15 22:27:31,702 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [910510909] [2019-11-15 22:27:31,702 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [959050182] [2019-11-15 22:27:31,702 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_bb99bd40-300f-467d-8e5c-b7c2006d52b1/bin/uautomizer/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-15 22:27:31,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:27:31,851 INFO L256 TraceCheckSpWp]: Trace formula consists of 495 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-15 22:27:31,856 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-15 22:27:32,142 INFO L134 CoverageAnalysis]: Checked inductivity of 123 backedges. 117 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-11-15 22:27:32,142 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-11-15 22:27:32,143 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 7 [2019-11-15 22:27:32,143 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [853804493] [2019-11-15 22:27:32,144 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-15 22:27:32,144 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 22:27:32,148 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-15 22:27:32,149 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2019-11-15 22:27:32,149 INFO L87 Difference]: Start difference. First operand 34262 states and 39891 transitions. Second operand 3 states. [2019-11-15 22:27:33,457 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 22:27:33,457 INFO L93 Difference]: Finished difference Result 81321 states and 95753 transitions. [2019-11-15 22:27:33,458 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-15 22:27:33,458 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 264 [2019-11-15 22:27:33,458 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 22:27:33,514 INFO L225 Difference]: With dead ends: 81321 [2019-11-15 22:27:33,514 INFO L226 Difference]: Without dead ends: 47061 [2019-11-15 22:27:33,543 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 268 GetRequests, 263 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2019-11-15 22:27:33,596 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 47061 states. [2019-11-15 22:27:34,037 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 47061 to 47049. [2019-11-15 22:27:34,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 47049 states. [2019-11-15 22:27:34,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47049 states to 47049 states and 53673 transitions. [2019-11-15 22:27:34,094 INFO L78 Accepts]: Start accepts. Automaton has 47049 states and 53673 transitions. Word has length 264 [2019-11-15 22:27:34,094 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 22:27:34,094 INFO L462 AbstractCegarLoop]: Abstraction has 47049 states and 53673 transitions. [2019-11-15 22:27:34,094 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-15 22:27:34,094 INFO L276 IsEmpty]: Start isEmpty. Operand 47049 states and 53673 transitions. [2019-11-15 22:27:34,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 315 [2019-11-15 22:27:34,121 INFO L372 BasicCegarLoop]: Found error trace [2019-11-15 22:27:34,121 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 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] [2019-11-15 22:27:34,325 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-15 22:27:34,325 INFO L410 AbstractCegarLoop]: === Iteration 12 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-15 22:27:34,325 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-15 22:27:34,326 INFO L82 PathProgramCache]: Analyzing trace with hash -1039532014, now seen corresponding path program 1 times [2019-11-15 22:27:34,326 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-15 22:27:34,326 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1730559046] [2019-11-15 22:27:34,326 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:27:34,326 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-15 22:27:34,326 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-15 22:27:34,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-15 22:27:34,823 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 127 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-11-15 22:27:34,824 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1730559046] [2019-11-15 22:27:34,824 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-15 22:27:34,824 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-15 22:27:34,824 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1511896327] [2019-11-15 22:27:34,827 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-15 22:27:34,827 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-15 22:27:34,827 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-15 22:27:34,828 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-11-15 22:27:34,828 INFO L87 Difference]: Start difference. First operand 47049 states and 53673 transitions. Second operand 3 states. [2019-11-15 22:27:36,111 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-15 22:27:36,112 INFO L93 Difference]: Finished difference Result 114649 states and 130601 transitions. [2019-11-15 22:27:36,112 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-15 22:27:36,112 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 314 [2019-11-15 22:27:36,113 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-15 22:27:36,113 INFO L225 Difference]: With dead ends: 114649 [2019-11-15 22:27:36,114 INFO L226 Difference]: Without dead ends: 0 [2019-11-15 22:27:36,156 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 [2019-11-15 22:27:36,156 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-15 22:27:36,157 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-15 22:27:36,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-15 22:27:36,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-15 22:27:36,157 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 314 [2019-11-15 22:27:36,157 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-15 22:27:36,157 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-15 22:27:36,158 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-15 22:27:36,158 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-15 22:27:36,158 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-15 22:27:36,162 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-15 22:27:36,463 WARN L191 SmtUtils]: Spent 289.00 ms on a formula simplification. DAG size of input: 353 DAG size of output: 45 [2019-11-15 22:27:36,700 WARN L191 SmtUtils]: Spent 235.00 ms on a formula simplification. DAG size of input: 353 DAG size of output: 45 [2019-11-15 22:27:36,838 WARN L191 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 31 [2019-11-15 22:27:36,996 WARN L191 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 31 [2019-11-15 22:27:36,998 INFO L443 ceAbstractionStarter]: For program point L498(lines 498 511) no Hoare annotation was computed. [2019-11-15 22:27:36,998 INFO L443 ceAbstractionStarter]: For program point L498-2(lines 498 511) no Hoare annotation was computed. [2019-11-15 22:27:36,998 INFO L443 ceAbstractionStarter]: For program point L1423(lines 1423 1465) no Hoare annotation was computed. [2019-11-15 22:27:36,998 INFO L443 ceAbstractionStarter]: For program point L366(lines 366 1465) no Hoare annotation was computed. [2019-11-15 22:27:36,998 INFO L443 ceAbstractionStarter]: For program point L1622-1(lines 54 1650) no Hoare annotation was computed. [2019-11-15 22:27:36,998 INFO L443 ceAbstractionStarter]: For program point L1556-1(lines 54 1650) no Hoare annotation was computed. [2019-11-15 22:27:36,998 INFO L443 ceAbstractionStarter]: For program point L1490-1(lines 54 1650) no Hoare annotation was computed. [2019-11-15 22:27:36,998 INFO L443 ceAbstractionStarter]: For program point L301(lines 301 1465) no Hoare annotation was computed. [2019-11-15 22:27:36,998 INFO L443 ceAbstractionStarter]: For program point L1226(lines 1226 1465) no Hoare annotation was computed. [2019-11-15 22:27:36,998 INFO L443 ceAbstractionStarter]: For program point L1623(line 1623) no Hoare annotation was computed. [2019-11-15 22:27:36,999 INFO L443 ceAbstractionStarter]: For program point L566(lines 566 1465) no Hoare annotation was computed. [2019-11-15 22:27:36,999 INFO L443 ceAbstractionStarter]: For program point L1557(line 1557) no Hoare annotation was computed. [2019-11-15 22:27:36,999 INFO L443 ceAbstractionStarter]: For program point L1491(line 1491) no Hoare annotation was computed. [2019-11-15 22:27:36,999 INFO L443 ceAbstractionStarter]: For program point L434(lines 434 1465) no Hoare annotation was computed. [2019-11-15 22:27:36,999 INFO L443 ceAbstractionStarter]: For program point L1359(lines 1359 1465) no Hoare annotation was computed. [2019-11-15 22:27:36,999 INFO L443 ceAbstractionStarter]: For program point L1095(lines 1095 1465) no Hoare annotation was computed. [2019-11-15 22:27:36,999 INFO L443 ceAbstractionStarter]: For program point L633(lines 633 1465) no Hoare annotation was computed. [2019-11-15 22:27:36,999 INFO L443 ceAbstractionStarter]: For program point L1360(lines 1360 1379) no Hoare annotation was computed. [2019-11-15 22:27:36,999 INFO L443 ceAbstractionStarter]: For program point L1360-2(lines 1360 1379) no Hoare annotation was computed. [2019-11-15 22:27:36,999 INFO L443 ceAbstractionStarter]: For program point L1162(lines 1162 1465) no Hoare annotation was computed. [2019-11-15 22:27:36,999 INFO L443 ceAbstractionStarter]: For program point L105(lines 105 1465) no Hoare annotation was computed. [2019-11-15 22:27:36,999 INFO L443 ceAbstractionStarter]: For program point L1625-1(lines 54 1650) no Hoare annotation was computed. [2019-11-15 22:27:36,999 INFO L443 ceAbstractionStarter]: For program point L1559-1(lines 54 1650) no Hoare annotation was computed. [2019-11-15 22:27:37,000 INFO L443 ceAbstractionStarter]: For program point L1493-1(lines 54 1650) no Hoare annotation was computed. [2019-11-15 22:27:37,000 INFO L443 ceAbstractionStarter]: For program point L238(lines 238 1465) no Hoare annotation was computed. [2019-11-15 22:27:37,000 INFO L443 ceAbstractionStarter]: For program point L172(lines 172 1465) no Hoare annotation was computed. [2019-11-15 22:27:37,000 INFO L443 ceAbstractionStarter]: For program point L1031(lines 1031 1465) no Hoare annotation was computed. [2019-11-15 22:27:37,000 INFO L443 ceAbstractionStarter]: For program point L899(lines 899 1465) no Hoare annotation was computed. [2019-11-15 22:27:37,000 INFO L443 ceAbstractionStarter]: For program point L701(lines 701 1465) no Hoare annotation was computed. [2019-11-15 22:27:37,001 INFO L443 ceAbstractionStarter]: For program point L1626(line 1626) no Hoare annotation was computed. [2019-11-15 22:27:37,001 INFO L443 ceAbstractionStarter]: For program point L1560(line 1560) no Hoare annotation was computed. [2019-11-15 22:27:37,001 INFO L443 ceAbstractionStarter]: For program point L1494(line 1494) no Hoare annotation was computed. [2019-11-15 22:27:37,001 INFO L443 ceAbstractionStarter]: For program point L966(lines 966 1465) no Hoare annotation was computed. [2019-11-15 22:27:37,001 INFO L443 ceAbstractionStarter]: For program point L769(lines 769 1465) no Hoare annotation was computed. [2019-11-15 22:27:37,001 INFO L443 ceAbstractionStarter]: For program point L1628-1(lines 54 1650) no Hoare annotation was computed. [2019-11-15 22:27:37,002 INFO L443 ceAbstractionStarter]: For program point L1562-1(lines 54 1650) no Hoare annotation was computed. [2019-11-15 22:27:37,002 INFO L443 ceAbstractionStarter]: For program point L1496-1(lines 54 1650) no Hoare annotation was computed. [2019-11-15 22:27:37,002 INFO L443 ceAbstractionStarter]: For program point L836(lines 836 1465) no Hoare annotation was computed. [2019-11-15 22:27:37,002 INFO L443 ceAbstractionStarter]: For program point L1629(line 1629) no Hoare annotation was computed. [2019-11-15 22:27:37,002 INFO L443 ceAbstractionStarter]: For program point L1563(line 1563) no Hoare annotation was computed. [2019-11-15 22:27:37,002 INFO L443 ceAbstractionStarter]: For program point L1497(line 1497) no Hoare annotation was computed. [2019-11-15 22:27:37,002 INFO L443 ceAbstractionStarter]: For program point L441(lines 441 1465) no Hoare annotation was computed. [2019-11-15 22:27:37,003 INFO L443 ceAbstractionStarter]: For program point L1432(lines 1432 1465) no Hoare annotation was computed. [2019-11-15 22:27:37,003 INFO L443 ceAbstractionStarter]: For program point L574(lines 574 1465) no Hoare annotation was computed. [2019-11-15 22:27:37,003 INFO L443 ceAbstractionStarter]: For program point L1631-1(lines 54 1650) no Hoare annotation was computed. [2019-11-15 22:27:37,003 INFO L443 ceAbstractionStarter]: For program point L1565-1(lines 54 1650) no Hoare annotation was computed. [2019-11-15 22:27:37,003 INFO L443 ceAbstractionStarter]: For program point L1499-1(lines 54 1650) no Hoare annotation was computed. [2019-11-15 22:27:37,003 INFO L443 ceAbstractionStarter]: For program point L1632(line 1632) no Hoare annotation was computed. [2019-11-15 22:27:37,003 INFO L443 ceAbstractionStarter]: For program point L1566(line 1566) no Hoare annotation was computed. [2019-11-15 22:27:37,004 INFO L443 ceAbstractionStarter]: For program point L1500(line 1500) no Hoare annotation was computed. [2019-11-15 22:27:37,004 INFO L443 ceAbstractionStarter]: For program point L377(lines 377 1465) no Hoare annotation was computed. [2019-11-15 22:27:37,004 INFO L443 ceAbstractionStarter]: For program point L1104(lines 1104 1465) no Hoare annotation was computed. [2019-11-15 22:27:37,004 INFO L443 ceAbstractionStarter]: For program point L1038(lines 1038 1465) no Hoare annotation was computed. [2019-11-15 22:27:37,004 INFO L443 ceAbstractionStarter]: For program point L378(lines 378 395) no Hoare annotation was computed. [2019-11-15 22:27:37,004 INFO L443 ceAbstractionStarter]: For program point L312(lines 312 1465) no Hoare annotation was computed. [2019-11-15 22:27:37,004 INFO L443 ceAbstractionStarter]: For program point L378-2(lines 378 395) no Hoare annotation was computed. [2019-11-15 22:27:37,004 INFO L443 ceAbstractionStarter]: For program point L1237(lines 1237 1465) no Hoare annotation was computed. [2019-11-15 22:27:37,005 INFO L443 ceAbstractionStarter]: For program point L114(lines 114 1465) no Hoare annotation was computed. [2019-11-15 22:27:37,005 INFO L443 ceAbstractionStarter]: For program point L1039(lines 1039 1059) no Hoare annotation was computed. [2019-11-15 22:27:37,005 INFO L443 ceAbstractionStarter]: For program point L1039-2(lines 1039 1059) no Hoare annotation was computed. [2019-11-15 22:27:37,005 INFO L443 ceAbstractionStarter]: For program point L907(lines 907 1465) no Hoare annotation was computed. [2019-11-15 22:27:37,005 INFO L443 ceAbstractionStarter]: For program point L709(lines 709 1465) no Hoare annotation was computed. [2019-11-15 22:27:37,005 INFO L443 ceAbstractionStarter]: For program point L643(lines 643 1465) no Hoare annotation was computed. [2019-11-15 22:27:37,005 INFO L443 ceAbstractionStarter]: For program point L1634-1(lines 54 1650) no Hoare annotation was computed. [2019-11-15 22:27:37,006 INFO L443 ceAbstractionStarter]: For program point L1568-1(lines 54 1650) no Hoare annotation was computed. [2019-11-15 22:27:37,006 INFO L443 ceAbstractionStarter]: For program point L1502-1(lines 54 1650) no Hoare annotation was computed. [2019-11-15 22:27:37,006 INFO L443 ceAbstractionStarter]: For program point L181(lines 181 1465) no Hoare annotation was computed. [2019-11-15 22:27:37,006 INFO L443 ceAbstractionStarter]: For program point L710(lines 710 731) no Hoare annotation was computed. [2019-11-15 22:27:37,006 INFO L443 ceAbstractionStarter]: For program point L710-2(lines 710 731) no Hoare annotation was computed. [2019-11-15 22:27:37,006 INFO L443 ceAbstractionStarter]: For program point L1635(line 1635) no Hoare annotation was computed. [2019-11-15 22:27:37,006 INFO L443 ceAbstractionStarter]: For program point L1569(line 1569) no Hoare annotation was computed. [2019-11-15 22:27:37,006 INFO L443 ceAbstractionStarter]: For program point L1503(line 1503) no Hoare annotation was computed. [2019-11-15 22:27:37,007 INFO L443 ceAbstractionStarter]: For program point L1305(lines 1305 1465) no Hoare annotation was computed. [2019-11-15 22:27:37,007 INFO L443 ceAbstractionStarter]: For program point L248(lines 248 1465) no Hoare annotation was computed. [2019-11-15 22:27:37,007 INFO L443 ceAbstractionStarter]: For program point L1173(lines 1173 1465) no Hoare annotation was computed. [2019-11-15 22:27:37,007 INFO L443 ceAbstractionStarter]: For program point L975(lines 975 1465) no Hoare annotation was computed. [2019-11-15 22:27:37,007 INFO L443 ceAbstractionStarter]: For program point L777(lines 777 1465) no Hoare annotation was computed. [2019-11-15 22:27:37,007 INFO L443 ceAbstractionStarter]: For program point L513(lines 513 1465) no Hoare annotation was computed. [2019-11-15 22:27:37,007 INFO L443 ceAbstractionStarter]: For program point L844(lines 844 1465) no Hoare annotation was computed. [2019-11-15 22:27:37,008 INFO L443 ceAbstractionStarter]: For program point L1637-1(lines 54 1650) no Hoare annotation was computed. [2019-11-15 22:27:37,008 INFO L443 ceAbstractionStarter]: For program point L1571-1(lines 54 1650) no Hoare annotation was computed. [2019-11-15 22:27:37,008 INFO L443 ceAbstractionStarter]: For program point L1505-1(lines 54 1650) no Hoare annotation was computed. [2019-11-15 22:27:37,008 INFO L443 ceAbstractionStarter]: For program point L1638(line 1638) no Hoare annotation was computed. [2019-11-15 22:27:37,008 INFO L443 ceAbstractionStarter]: For program point L1572(line 1572) no Hoare annotation was computed. [2019-11-15 22:27:37,008 INFO L443 ceAbstractionStarter]: For program point L1506(line 1506) no Hoare annotation was computed. [2019-11-15 22:27:37,008 INFO L443 ceAbstractionStarter]: For program point L450(lines 450 1465) no Hoare annotation was computed. [2019-11-15 22:27:37,008 INFO L443 ceAbstractionStarter]: For program point L583(lines 583 1465) no Hoare annotation was computed. [2019-11-15 22:27:37,009 INFO L443 ceAbstractionStarter]: For program point L1640-1(lines 54 1650) no Hoare annotation was computed. [2019-11-15 22:27:37,009 INFO L443 ceAbstractionStarter]: For program point L1574-1(lines 54 1650) no Hoare annotation was computed. [2019-11-15 22:27:37,009 INFO L443 ceAbstractionStarter]: For program point L1508-1(lines 54 1650) no Hoare annotation was computed. [2019-11-15 22:27:37,009 INFO L443 ceAbstractionStarter]: For program point L1442(lines 1442 1465) no Hoare annotation was computed. [2019-11-15 22:27:37,009 INFO L443 ceAbstractionStarter]: For program point L319(lines 319 1465) no Hoare annotation was computed. [2019-11-15 22:27:37,009 INFO L443 ceAbstractionStarter]: For program point L1112(lines 1112 1465) no Hoare annotation was computed. [2019-11-15 22:27:37,009 INFO L443 ceAbstractionStarter]: For program point L55(lines 55 1465) no Hoare annotation was computed. [2019-11-15 22:27:37,010 INFO L443 ceAbstractionStarter]: For program point L1641(line 1641) no Hoare annotation was computed. [2019-11-15 22:27:37,010 INFO L443 ceAbstractionStarter]: For program point L1575(line 1575) no Hoare annotation was computed. [2019-11-15 22:27:37,010 INFO L443 ceAbstractionStarter]: For program point L1509(line 1509) no Hoare annotation was computed. [2019-11-15 22:27:37,010 INFO L443 ceAbstractionStarter]: For program point L56(lines 56 71) no Hoare annotation was computed. [2019-11-15 22:27:37,010 INFO L443 ceAbstractionStarter]: For program point L56-2(lines 56 71) no Hoare annotation was computed. [2019-11-15 22:27:37,010 INFO L443 ceAbstractionStarter]: For program point L784(lines 784 1465) no Hoare annotation was computed. [2019-11-15 22:27:37,010 INFO L443 ceAbstractionStarter]: For program point L1643-1(lines 54 1650) no Hoare annotation was computed. [2019-11-15 22:27:37,011 INFO L443 ceAbstractionStarter]: For program point L1577-1(lines 54 1650) no Hoare annotation was computed. [2019-11-15 22:27:37,011 INFO L443 ceAbstractionStarter]: For program point L1511-1(lines 54 1650) no Hoare annotation was computed. [2019-11-15 22:27:37,011 INFO L443 ceAbstractionStarter]: For program point L1313(lines 1313 1465) no Hoare annotation was computed. [2019-11-15 22:27:37,011 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-15 22:27:37,011 INFO L443 ceAbstractionStarter]: For program point L983(lines 983 1465) no Hoare annotation was computed. [2019-11-15 22:27:37,011 INFO L443 ceAbstractionStarter]: For program point L917(lines 917 1465) no Hoare annotation was computed. [2019-11-15 22:27:37,011 INFO L443 ceAbstractionStarter]: For program point L653(lines 653 1465) no Hoare annotation was computed. [2019-11-15 22:27:37,012 INFO L443 ceAbstractionStarter]: For program point L1644(line 1644) no Hoare annotation was computed. [2019-11-15 22:27:37,012 INFO L443 ceAbstractionStarter]: For program point L1578(line 1578) no Hoare annotation was computed. [2019-11-15 22:27:37,012 INFO L443 ceAbstractionStarter]: For program point L1512(line 1512) no Hoare annotation was computed. [2019-11-15 22:27:37,012 INFO L443 ceAbstractionStarter]: For program point L257(lines 257 1465) no Hoare annotation was computed. [2019-11-15 22:27:37,012 INFO L443 ceAbstractionStarter]: For program point L191(lines 191 1465) no Hoare annotation was computed. [2019-11-15 22:27:37,012 INFO L443 ceAbstractionStarter]: For program point L1182(lines 1182 1465) no Hoare annotation was computed. [2019-11-15 22:27:37,013 INFO L443 ceAbstractionStarter]: For program point L918(lines 918 935) no Hoare annotation was computed. [2019-11-15 22:27:37,013 INFO L443 ceAbstractionStarter]: For program point L918-2(lines 918 935) no Hoare annotation was computed. [2019-11-15 22:27:37,013 INFO L443 ceAbstractionStarter]: For program point L522(lines 522 1465) no Hoare annotation was computed. [2019-11-15 22:27:37,013 INFO L443 ceAbstractionStarter]: For program point L1381(lines 1381 1465) no Hoare annotation was computed. [2019-11-15 22:27:37,013 INFO L443 ceAbstractionStarter]: For program point L1249(lines 1249 1465) no Hoare annotation was computed. [2019-11-15 22:27:37,014 INFO L443 ceAbstractionStarter]: For program point L192(lines 192 211) no Hoare annotation was computed. [2019-11-15 22:27:37,014 INFO L443 ceAbstractionStarter]: For program point L126(lines 126 1465) no Hoare annotation was computed. [2019-11-15 22:27:37,014 INFO L443 ceAbstractionStarter]: For program point L192-2(lines 192 211) no Hoare annotation was computed. [2019-11-15 22:27:37,014 INFO L443 ceAbstractionStarter]: For program point L853(lines 853 1465) no Hoare annotation was computed. [2019-11-15 22:27:37,014 INFO L443 ceAbstractionStarter]: For program point L1646-1(lines 1646 1648) no Hoare annotation was computed. [2019-11-15 22:27:37,014 INFO L443 ceAbstractionStarter]: For program point L1580-1(lines 54 1650) no Hoare annotation was computed. [2019-11-15 22:27:37,014 INFO L443 ceAbstractionStarter]: For program point L1514-1(lines 54 1650) no Hoare annotation was computed. [2019-11-15 22:27:37,015 INFO L443 ceAbstractionStarter]: For program point L1382(lines 1382 1400) no Hoare annotation was computed. [2019-11-15 22:27:37,015 INFO L443 ceAbstractionStarter]: For program point L1382-2(lines 1382 1400) no Hoare annotation was computed. [2019-11-15 22:27:37,015 INFO L443 ceAbstractionStarter]: For program point L1250(lines 1250 1272) no Hoare annotation was computed. [2019-11-15 22:27:37,015 INFO L443 ceAbstractionStarter]: For program point L1250-2(lines 1250 1272) no Hoare annotation was computed. [2019-11-15 22:27:37,015 INFO L443 ceAbstractionStarter]: For program point L1647(line 1647) no Hoare annotation was computed. [2019-11-15 22:27:37,015 INFO L443 ceAbstractionStarter]: For program point L1581(line 1581) no Hoare annotation was computed. [2019-11-15 22:27:37,015 INFO L443 ceAbstractionStarter]: For program point L1515(line 1515) no Hoare annotation was computed. [2019-11-15 22:27:37,016 INFO L443 ceAbstractionStarter]: For program point L458(lines 458 1465) no Hoare annotation was computed. [2019-11-15 22:27:37,016 INFO L443 ceAbstractionStarter]: For program point L1120(lines 1120 1465) no Hoare annotation was computed. [2019-11-15 22:27:37,016 INFO L443 ceAbstractionStarter]: For program point L658(lines 658 1465) no Hoare annotation was computed. [2019-11-15 22:27:37,017 INFO L439 ceAbstractionStarter]: At program point L1649(lines 54 1650) the Hoare annotation is: (let ((.cse3 (<= ~a3~0 1)) (.cse1 (= 1 ~a6~0)) (.cse5 (= ~a26~0 1)) (.cse0 (= ~a27~0 1)) (.cse4 (<= ~a11~0 0)) (.cse2 (= ~a5~0 1))) (or (and .cse0 .cse1 .cse2) (and .cse3 .cse1 .cse2) (and (not (= ~a12~0 1)) .cse2) (and .cse1 .cse2 (= 1 ~a4~0)) (and .cse3 .cse4 .cse2) (and .cse2 .cse5 (not .cse1)) (and (<= ~a3~0 0) .cse2) (and .cse4 .cse2 .cse5) (and .cse0 .cse4 .cse2))) [2019-11-15 22:27:37,018 INFO L443 ceAbstractionStarter]: For program point L592(lines 592 1465) no Hoare annotation was computed. [2019-11-15 22:27:37,018 INFO L443 ceAbstractionStarter]: For program point L1583-1(lines 54 1650) no Hoare annotation was computed. [2019-11-15 22:27:37,018 INFO L443 ceAbstractionStarter]: For program point L1517-1(lines 54 1650) no Hoare annotation was computed. [2019-11-15 22:27:37,018 INFO L443 ceAbstractionStarter]: For program point L1584(line 1584) no Hoare annotation was computed. [2019-11-15 22:27:37,018 INFO L443 ceAbstractionStarter]: For program point L1518(line 1518) no Hoare annotation was computed. [2019-11-15 22:27:37,018 INFO L443 ceAbstractionStarter]: For program point L1452(lines 1452 1465) no Hoare annotation was computed. [2019-11-15 22:27:37,019 INFO L443 ceAbstractionStarter]: For program point L329(lines 329 1465) no Hoare annotation was computed. [2019-11-15 22:27:37,019 INFO L443 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2019-11-15 22:27:37,019 INFO L443 ceAbstractionStarter]: For program point L1321(lines 1321 1465) no Hoare annotation was computed. [2019-11-15 22:27:37,019 INFO L446 ceAbstractionStarter]: At program point L1652(lines 1652 1669) the Hoare annotation is: true [2019-11-15 22:27:37,019 INFO L443 ceAbstractionStarter]: For program point L529(lines 529 1465) no Hoare annotation was computed. [2019-11-15 22:27:37,019 INFO L443 ceAbstractionStarter]: For program point L1586-1(lines 54 1650) no Hoare annotation was computed. [2019-11-15 22:27:37,019 INFO L443 ceAbstractionStarter]: For program point L1520-1(lines 54 1650) no Hoare annotation was computed. [2019-11-15 22:27:37,020 INFO L443 ceAbstractionStarter]: For program point L397(lines 397 1465) no Hoare annotation was computed. [2019-11-15 22:27:37,020 INFO L443 ceAbstractionStarter]: For program point L265(lines 265 1465) no Hoare annotation was computed. [2019-11-15 22:27:37,020 INFO L443 ceAbstractionStarter]: For program point L1190(lines 1190 1465) no Hoare annotation was computed. [2019-11-15 22:27:37,020 INFO L443 ceAbstractionStarter]: For program point L1587(line 1587) no Hoare annotation was computed. [2019-11-15 22:27:37,020 INFO L443 ceAbstractionStarter]: For program point L1521(line 1521) no Hoare annotation was computed. [2019-11-15 22:27:37,020 INFO L443 ceAbstractionStarter]: For program point L795(lines 795 1465) no Hoare annotation was computed. [2019-11-15 22:27:37,020 INFO L443 ceAbstractionStarter]: For program point L135(lines 135 1465) no Hoare annotation was computed. [2019-11-15 22:27:37,021 INFO L443 ceAbstractionStarter]: For program point L994(lines 994 1465) no Hoare annotation was computed. [2019-11-15 22:27:37,021 INFO L443 ceAbstractionStarter]: For program point L1589-1(lines 54 1650) no Hoare annotation was computed. [2019-11-15 22:27:37,021 INFO L443 ceAbstractionStarter]: For program point L1523-1(lines 54 1650) no Hoare annotation was computed. [2019-11-15 22:27:37,021 INFO L443 ceAbstractionStarter]: For program point L1127(lines 1127 1465) no Hoare annotation was computed. [2019-11-15 22:27:37,021 INFO L443 ceAbstractionStarter]: For program point L1061(lines 1061 1465) no Hoare annotation was computed. [2019-11-15 22:27:37,021 INFO L443 ceAbstractionStarter]: For program point L863(lines 863 1465) no Hoare annotation was computed. [2019-11-15 22:27:37,021 INFO L443 ceAbstractionStarter]: For program point L665(lines 665 1465) no Hoare annotation was computed. [2019-11-15 22:27:37,022 INFO L443 ceAbstractionStarter]: For program point L1590(line 1590) no Hoare annotation was computed. [2019-11-15 22:27:37,022 INFO L443 ceAbstractionStarter]: For program point L1524(line 1524) no Hoare annotation was computed. [2019-11-15 22:27:37,022 INFO L443 ceAbstractionStarter]: For program point L467(lines 467 1465) no Hoare annotation was computed. [2019-11-15 22:27:37,022 INFO L443 ceAbstractionStarter]: For program point L1326(lines 1326 1465) no Hoare annotation was computed. [2019-11-15 22:27:37,022 INFO L443 ceAbstractionStarter]: For program point L468(lines 468 478) no Hoare annotation was computed. [2019-11-15 22:27:37,022 INFO L443 ceAbstractionStarter]: For program point L468-2(lines 468 478) no Hoare annotation was computed. [2019-11-15 22:27:37,022 INFO L443 ceAbstractionStarter]: For program point L733(lines 733 1465) no Hoare annotation was computed. [2019-11-15 22:27:37,023 INFO L439 ceAbstractionStarter]: At program point L1658-2(lines 1658 1668) the Hoare annotation is: (let ((.cse3 (<= ~a3~0 1)) (.cse1 (= 1 ~a6~0)) (.cse5 (= ~a26~0 1)) (.cse0 (= ~a27~0 1)) (.cse4 (<= ~a11~0 0)) (.cse2 (= ~a5~0 1))) (or (and .cse0 .cse1 .cse2) (and .cse3 .cse1 .cse2) (and (not (= ~a12~0 1)) .cse2) (and .cse1 .cse2 (= 1 ~a4~0)) (and .cse3 .cse4 .cse2) (and .cse2 .cse5 (not .cse1)) (and (<= ~a3~0 0) .cse2) (and .cse4 .cse2 .cse5) (and .cse0 .cse4 .cse2))) [2019-11-15 22:27:37,023 INFO L443 ceAbstractionStarter]: For program point L1592-1(lines 54 1650) no Hoare annotation was computed. [2019-11-15 22:27:37,023 INFO L443 ceAbstractionStarter]: For program point L1526-1(lines 54 1650) no Hoare annotation was computed. [2019-11-15 22:27:37,023 INFO L443 ceAbstractionStarter]: For program point L1460(lines 1460 1465) no Hoare annotation was computed. [2019-11-15 22:27:37,023 INFO L443 ceAbstractionStarter]: For program point L73(lines 73 1465) no Hoare annotation was computed. [2019-11-15 22:27:37,023 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 1587) no Hoare annotation was computed. [2019-11-15 22:27:37,024 INFO L443 ceAbstractionStarter]: For program point L1593(line 1593) no Hoare annotation was computed. [2019-11-15 22:27:37,024 INFO L443 ceAbstractionStarter]: For program point L1527(line 1527) no Hoare annotation was computed. [2019-11-15 22:27:37,024 INFO L443 ceAbstractionStarter]: For program point L603(lines 603 1465) no Hoare annotation was computed. [2019-11-15 22:27:37,024 INFO L443 ceAbstractionStarter]: For program point L405(lines 405 1465) no Hoare annotation was computed. [2019-11-15 22:27:37,024 INFO L443 ceAbstractionStarter]: For program point L339(lines 339 1465) no Hoare annotation was computed. [2019-11-15 22:27:37,024 INFO L443 ceAbstractionStarter]: For program point L1132(lines 1132 1465) no Hoare annotation was computed. [2019-11-15 22:27:37,024 INFO L443 ceAbstractionStarter]: For program point L1066(lines 1066 1465) no Hoare annotation was computed. [2019-11-15 22:27:37,025 INFO L443 ceAbstractionStarter]: For program point L868(lines 868 1465) no Hoare annotation was computed. [2019-11-15 22:27:37,025 INFO L443 ceAbstractionStarter]: For program point L1595-1(lines 54 1650) no Hoare annotation was computed. [2019-11-15 22:27:37,025 INFO L443 ceAbstractionStarter]: For program point L1529-1(lines 54 1650) no Hoare annotation was computed. [2019-11-15 22:27:37,025 INFO L443 ceAbstractionStarter]: For program point L869(lines 869 887) no Hoare annotation was computed. [2019-11-15 22:27:37,025 INFO L443 ceAbstractionStarter]: For program point L869-2(lines 869 887) no Hoare annotation was computed. [2019-11-15 22:27:37,025 INFO L443 ceAbstractionStarter]: For program point L1596(line 1596) no Hoare annotation was computed. [2019-11-15 22:27:37,025 INFO L443 ceAbstractionStarter]: For program point L539(lines 539 1465) no Hoare annotation was computed. [2019-11-15 22:27:37,026 INFO L443 ceAbstractionStarter]: For program point L1530(line 1530) no Hoare annotation was computed. [2019-11-15 22:27:37,026 INFO L443 ceAbstractionStarter]: For program point L1200(lines 1200 1465) no Hoare annotation was computed. [2019-11-15 22:27:37,026 INFO L443 ceAbstractionStarter]: For program point L804(lines 804 1465) no Hoare annotation was computed. [2019-11-15 22:27:37,026 INFO L443 ceAbstractionStarter]: For program point L1663(line 1663) no Hoare annotation was computed. [2019-11-15 22:27:37,026 INFO L443 ceAbstractionStarter]: For program point L276(lines 276 1465) no Hoare annotation was computed. [2019-11-15 22:27:37,026 INFO L443 ceAbstractionStarter]: For program point L1003(lines 1003 1465) no Hoare annotation was computed. [2019-11-15 22:27:37,026 INFO L443 ceAbstractionStarter]: For program point L937(lines 937 1465) no Hoare annotation was computed. [2019-11-15 22:27:37,027 INFO L443 ceAbstractionStarter]: For program point L1598-1(lines 54 1650) no Hoare annotation was computed. [2019-11-15 22:27:37,027 INFO L443 ceAbstractionStarter]: For program point L1532-1(lines 54 1650) no Hoare annotation was computed. [2019-11-15 22:27:37,027 INFO L443 ceAbstractionStarter]: For program point L1466(lines 1466 1468) no Hoare annotation was computed. [2019-11-15 22:27:37,027 INFO L443 ceAbstractionStarter]: For program point L1466-2(lines 54 1650) no Hoare annotation was computed. [2019-11-15 22:27:37,027 INFO L443 ceAbstractionStarter]: For program point L1599(line 1599) no Hoare annotation was computed. [2019-11-15 22:27:37,027 INFO L443 ceAbstractionStarter]: For program point L1533(line 1533) no Hoare annotation was computed. [2019-11-15 22:27:37,027 INFO L443 ceAbstractionStarter]: For program point L1467(line 1467) no Hoare annotation was computed. [2019-11-15 22:27:37,028 INFO L443 ceAbstractionStarter]: For program point L146(lines 146 1465) no Hoare annotation was computed. [2019-11-15 22:27:37,028 INFO L443 ceAbstractionStarter]: For program point L675(lines 675 1465) no Hoare annotation was computed. [2019-11-15 22:27:37,028 INFO L443 ceAbstractionStarter]: For program point L1402(lines 1402 1465) no Hoare annotation was computed. [2019-11-15 22:27:37,028 INFO L443 ceAbstractionStarter]: For program point L1336(lines 1336 1465) no Hoare annotation was computed. [2019-11-15 22:27:37,028 INFO L443 ceAbstractionStarter]: For program point L213(lines 213 1465) no Hoare annotation was computed. [2019-11-15 22:27:37,028 INFO L443 ceAbstractionStarter]: For program point L1601-1(lines 54 1650) no Hoare annotation was computed. [2019-11-15 22:27:37,028 INFO L443 ceAbstractionStarter]: For program point L1535-1(lines 54 1650) no Hoare annotation was computed. [2019-11-15 22:27:37,029 INFO L443 ceAbstractionStarter]: For program point L1469-1(lines 54 1650) no Hoare annotation was computed. [2019-11-15 22:27:37,029 INFO L443 ceAbstractionStarter]: For program point L1403(lines 1403 1421) no Hoare annotation was computed. [2019-11-15 22:27:37,029 INFO L443 ceAbstractionStarter]: For program point L1403-2(lines 1403 1421) no Hoare annotation was computed. [2019-11-15 22:27:37,029 INFO L443 ceAbstractionStarter]: For program point L82(lines 82 1465) no Hoare annotation was computed. [2019-11-15 22:27:37,029 INFO L443 ceAbstractionStarter]: For program point L743(lines 743 1465) no Hoare annotation was computed. [2019-11-15 22:27:37,029 INFO L443 ceAbstractionStarter]: For program point L1602(line 1602) no Hoare annotation was computed. [2019-11-15 22:27:37,029 INFO L443 ceAbstractionStarter]: For program point L1536(line 1536) no Hoare annotation was computed. [2019-11-15 22:27:37,030 INFO L443 ceAbstractionStarter]: For program point L1470(line 1470) no Hoare annotation was computed. [2019-11-15 22:27:37,030 INFO L443 ceAbstractionStarter]: For program point L1074(lines 1074 1465) no Hoare annotation was computed. [2019-11-15 22:27:37,030 INFO L443 ceAbstractionStarter]: For program point L546(lines 546 1465) no Hoare annotation was computed. [2019-11-15 22:27:37,030 INFO L443 ceAbstractionStarter]: For program point L480(lines 480 1465) no Hoare annotation was computed. [2019-11-15 22:27:37,030 INFO L443 ceAbstractionStarter]: For program point L414(lines 414 1465) no Hoare annotation was computed. [2019-11-15 22:27:37,030 INFO L443 ceAbstractionStarter]: For program point L348(lines 348 1465) no Hoare annotation was computed. [2019-11-15 22:27:37,030 INFO L443 ceAbstractionStarter]: For program point L1604-1(lines 54 1650) no Hoare annotation was computed. [2019-11-15 22:27:37,031 INFO L443 ceAbstractionStarter]: For program point L1538-1(lines 54 1650) no Hoare annotation was computed. [2019-11-15 22:27:37,031 INFO L443 ceAbstractionStarter]: For program point L1472-1(lines 54 1650) no Hoare annotation was computed. [2019-11-15 22:27:37,031 INFO L443 ceAbstractionStarter]: For program point L1274(lines 1274 1465) no Hoare annotation was computed. [2019-11-15 22:27:37,031 INFO L443 ceAbstractionStarter]: For program point L1142(lines 1142 1465) no Hoare annotation was computed. [2019-11-15 22:27:37,031 INFO L443 ceAbstractionStarter]: For program point L614(lines 614 1465) no Hoare annotation was computed. [2019-11-15 22:27:37,031 INFO L443 ceAbstractionStarter]: For program point L1605(line 1605) no Hoare annotation was computed. [2019-11-15 22:27:37,031 INFO L443 ceAbstractionStarter]: For program point L1539(line 1539) no Hoare annotation was computed. [2019-11-15 22:27:37,031 INFO L443 ceAbstractionStarter]: For program point L1473(line 1473) no Hoare annotation was computed. [2019-11-15 22:27:37,032 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-11-15 22:27:37,032 INFO L443 ceAbstractionStarter]: For program point L284(lines 284 1465) no Hoare annotation was computed. [2019-11-15 22:27:37,032 INFO L443 ceAbstractionStarter]: For program point L1011(lines 1011 1465) no Hoare annotation was computed. [2019-11-15 22:27:37,032 INFO L443 ceAbstractionStarter]: For program point L813(lines 813 1465) no Hoare annotation was computed. [2019-11-15 22:27:37,032 INFO L443 ceAbstractionStarter]: For program point L1210(lines 1210 1465) no Hoare annotation was computed. [2019-11-15 22:27:37,032 INFO L443 ceAbstractionStarter]: For program point L1607-1(lines 54 1650) no Hoare annotation was computed. [2019-11-15 22:27:37,032 INFO L443 ceAbstractionStarter]: For program point L1541-1(lines 54 1650) no Hoare annotation was computed. [2019-11-15 22:27:37,033 INFO L443 ceAbstractionStarter]: For program point L1475-1(lines 54 1650) no Hoare annotation was computed. [2019-11-15 22:27:37,033 INFO L443 ceAbstractionStarter]: For program point L1211(lines 1211 1224) no Hoare annotation was computed. [2019-11-15 22:27:37,033 INFO L443 ceAbstractionStarter]: For program point L1211-2(lines 1211 1224) no Hoare annotation was computed. [2019-11-15 22:27:37,033 INFO L443 ceAbstractionStarter]: For program point L947(lines 947 1465) no Hoare annotation was computed. [2019-11-15 22:27:37,034 INFO L443 ceAbstractionStarter]: For program point L1608(line 1608) no Hoare annotation was computed. [2019-11-15 22:27:37,034 INFO L443 ceAbstractionStarter]: For program point L1542(line 1542) no Hoare annotation was computed. [2019-11-15 22:27:37,035 INFO L443 ceAbstractionStarter]: For program point L1476(line 1476) no Hoare annotation was computed. [2019-11-15 22:27:37,035 INFO L443 ceAbstractionStarter]: For program point L1344(lines 1344 1465) no Hoare annotation was computed. [2019-11-15 22:27:37,035 INFO L443 ceAbstractionStarter]: For program point L155(lines 155 1465) no Hoare annotation was computed. [2019-11-15 22:27:37,035 INFO L443 ceAbstractionStarter]: For program point L89(lines 89 1465) no Hoare annotation was computed. [2019-11-15 22:27:37,035 INFO L443 ceAbstractionStarter]: For program point L684(lines 684 1465) no Hoare annotation was computed. [2019-11-15 22:27:37,036 INFO L443 ceAbstractionStarter]: For program point L222(lines 222 1465) no Hoare annotation was computed. [2019-11-15 22:27:37,036 INFO L443 ceAbstractionStarter]: For program point L685(lines 685 699) no Hoare annotation was computed. [2019-11-15 22:27:37,036 INFO L443 ceAbstractionStarter]: For program point L685-2(lines 685 699) no Hoare annotation was computed. [2019-11-15 22:27:37,038 INFO L443 ceAbstractionStarter]: For program point L1610-1(lines 54 1650) no Hoare annotation was computed. [2019-11-15 22:27:37,038 INFO L443 ceAbstractionStarter]: For program point L1544-1(lines 54 1650) no Hoare annotation was computed. [2019-11-15 22:27:37,038 INFO L443 ceAbstractionStarter]: For program point L1478-1(lines 54 1650) no Hoare annotation was computed. [2019-11-15 22:27:37,038 INFO L443 ceAbstractionStarter]: For program point L1611(line 1611) no Hoare annotation was computed. [2019-11-15 22:27:37,038 INFO L443 ceAbstractionStarter]: For program point L1545(line 1545) no Hoare annotation was computed. [2019-11-15 22:27:37,039 INFO L443 ceAbstractionStarter]: For program point L488(lines 488 1465) no Hoare annotation was computed. [2019-11-15 22:27:37,039 INFO L443 ceAbstractionStarter]: For program point L1479(line 1479) no Hoare annotation was computed. [2019-11-15 22:27:37,039 INFO L443 ceAbstractionStarter]: For program point L422(lines 422 1465) no Hoare annotation was computed. [2019-11-15 22:27:37,039 INFO L443 ceAbstractionStarter]: For program point L356(lines 356 1465) no Hoare annotation was computed. [2019-11-15 22:27:37,039 INFO L443 ceAbstractionStarter]: For program point L753(lines 753 1465) no Hoare annotation was computed. [2019-11-15 22:27:37,039 INFO L443 ceAbstractionStarter]: For program point L622(lines 622 1465) no Hoare annotation was computed. [2019-11-15 22:27:37,039 INFO L443 ceAbstractionStarter]: For program point L556(lines 556 1465) no Hoare annotation was computed. [2019-11-15 22:27:37,040 INFO L443 ceAbstractionStarter]: For program point L1613-1(lines 54 1650) no Hoare annotation was computed. [2019-11-15 22:27:37,040 INFO L443 ceAbstractionStarter]: For program point L1547-1(lines 54 1650) no Hoare annotation was computed. [2019-11-15 22:27:37,040 INFO L443 ceAbstractionStarter]: For program point L1481-1(lines 54 1650) no Hoare annotation was computed. [2019-11-15 22:27:37,040 INFO L443 ceAbstractionStarter]: For program point L292(lines 292 1465) no Hoare annotation was computed. [2019-11-15 22:27:37,040 INFO L443 ceAbstractionStarter]: For program point L1283(lines 1283 1465) no Hoare annotation was computed. [2019-11-15 22:27:37,040 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-11-15 22:27:37,040 INFO L443 ceAbstractionStarter]: For program point L1614(line 1614) no Hoare annotation was computed. [2019-11-15 22:27:37,041 INFO L443 ceAbstractionStarter]: For program point L1548(line 1548) no Hoare annotation was computed. [2019-11-15 22:27:37,041 INFO L443 ceAbstractionStarter]: For program point L1482(line 1482) no Hoare annotation was computed. [2019-11-15 22:27:37,041 INFO L443 ceAbstractionStarter]: For program point L1350(lines 1350 1465) no Hoare annotation was computed. [2019-11-15 22:27:37,041 INFO L443 ceAbstractionStarter]: For program point L1284(lines 1284 1303) no Hoare annotation was computed. [2019-11-15 22:27:37,041 INFO L443 ceAbstractionStarter]: For program point L1284-2(lines 1284 1303) no Hoare annotation was computed. [2019-11-15 22:27:37,041 INFO L443 ceAbstractionStarter]: For program point L1152(lines 1152 1465) no Hoare annotation was computed. [2019-11-15 22:27:37,041 INFO L443 ceAbstractionStarter]: For program point L95(lines 95 1465) no Hoare annotation was computed. [2019-11-15 22:27:37,042 INFO L443 ceAbstractionStarter]: For program point L1086(lines 1086 1465) no Hoare annotation was computed. [2019-11-15 22:27:37,042 INFO L443 ceAbstractionStarter]: For program point L1021(lines 1021 1465) no Hoare annotation was computed. [2019-11-15 22:27:37,042 INFO L443 ceAbstractionStarter]: For program point L955(lines 955 1465) no Hoare annotation was computed. [2019-11-15 22:27:37,042 INFO L443 ceAbstractionStarter]: For program point L889(lines 889 1465) no Hoare annotation was computed. [2019-11-15 22:27:37,042 INFO L443 ceAbstractionStarter]: For program point L1616-1(lines 54 1650) no Hoare annotation was computed. [2019-11-15 22:27:37,042 INFO L443 ceAbstractionStarter]: For program point L1550-1(lines 54 1650) no Hoare annotation was computed. [2019-11-15 22:27:37,042 INFO L443 ceAbstractionStarter]: For program point L1484-1(lines 54 1650) no Hoare annotation was computed. [2019-11-15 22:27:37,043 INFO L443 ceAbstractionStarter]: For program point L1617(line 1617) no Hoare annotation was computed. [2019-11-15 22:27:37,043 INFO L443 ceAbstractionStarter]: For program point L1551(line 1551) no Hoare annotation was computed. [2019-11-15 22:27:37,043 INFO L443 ceAbstractionStarter]: For program point L1485(line 1485) no Hoare annotation was computed. [2019-11-15 22:27:37,043 INFO L443 ceAbstractionStarter]: For program point L164(lines 164 1465) no Hoare annotation was computed. [2019-11-15 22:27:37,043 INFO L443 ceAbstractionStarter]: For program point L825(lines 825 1465) no Hoare annotation was computed. [2019-11-15 22:27:37,043 INFO L443 ceAbstractionStarter]: For program point L1619-1(lines 54 1650) no Hoare annotation was computed. [2019-11-15 22:27:37,043 INFO L443 ceAbstractionStarter]: For program point L1553-1(lines 54 1650) no Hoare annotation was computed. [2019-11-15 22:27:37,043 INFO L443 ceAbstractionStarter]: For program point L1487-1(lines 54 1650) no Hoare annotation was computed. [2019-11-15 22:27:37,044 INFO L443 ceAbstractionStarter]: For program point L761(lines 761 1465) no Hoare annotation was computed. [2019-11-15 22:27:37,044 INFO L443 ceAbstractionStarter]: For program point L1620(line 1620) no Hoare annotation was computed. [2019-11-15 22:27:37,044 INFO L443 ceAbstractionStarter]: For program point L1554(line 1554) no Hoare annotation was computed. [2019-11-15 22:27:37,044 INFO L443 ceAbstractionStarter]: For program point L497(lines 497 1465) no Hoare annotation was computed. [2019-11-15 22:27:37,044 INFO L443 ceAbstractionStarter]: For program point L1488(line 1488) no Hoare annotation was computed. [2019-11-15 22:27:37,044 INFO L443 ceAbstractionStarter]: For program point L233(lines 233 1465) no Hoare annotation was computed. [2019-11-15 22:27:37,076 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 15.11 10:27:37 BoogieIcfgContainer [2019-11-15 22:27:37,082 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-15 22:27:37,083 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-15 22:27:37,083 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-15 22:27:37,083 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-15 22:27:37,084 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 15.11 10:27:15" (3/4) ... [2019-11-15 22:27:37,087 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-15 22:27:37,124 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2019-11-15 22:27:37,128 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-11-15 22:27:37,404 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_bb99bd40-300f-467d-8e5c-b7c2006d52b1/bin/uautomizer/witness.graphml [2019-11-15 22:27:37,404 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-15 22:27:37,405 INFO L168 Benchmark]: Toolchain (without parser) took 25787.89 ms. Allocated memory was 1.0 GB in the beginning and 2.0 GB in the end (delta: 950.5 MB). Free memory was 939.3 MB in the beginning and 1.1 GB in the end (delta: -160.8 MB). Peak memory consumption was 789.8 MB. Max. memory is 11.5 GB. [2019-11-15 22:27:37,406 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-15 22:27:37,406 INFO L168 Benchmark]: CACSL2BoogieTranslator took 1114.42 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 144.7 MB). Free memory was 939.3 MB in the beginning and 1.1 GB in the end (delta: -132.8 MB). Peak memory consumption was 31.6 MB. Max. memory is 11.5 GB. [2019-11-15 22:27:37,407 INFO L168 Benchmark]: Boogie Procedure Inliner took 142.98 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: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2019-11-15 22:27:37,407 INFO L168 Benchmark]: Boogie Preprocessor took 107.74 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2019-11-15 22:27:37,407 INFO L168 Benchmark]: RCFGBuilder took 2166.57 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 17.0 MB). Peak memory consumption was 189.6 MB. Max. memory is 11.5 GB. [2019-11-15 22:27:37,408 INFO L168 Benchmark]: TraceAbstraction took 21930.69 ms. Allocated memory was 1.2 GB in the beginning and 2.0 GB in the end (delta: 805.8 MB). Free memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: -139.5 MB). Peak memory consumption was 666.3 MB. Max. memory is 11.5 GB. [2019-11-15 22:27:37,408 INFO L168 Benchmark]: Witness Printer took 321.31 ms. Allocated memory is still 2.0 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 67.7 MB). Peak memory consumption was 67.7 MB. Max. memory is 11.5 GB. [2019-11-15 22:27:37,410 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 1.0 GB. Free memory is still 967.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 1114.42 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 144.7 MB). Free memory was 939.3 MB in the beginning and 1.1 GB in the end (delta: -132.8 MB). Peak memory consumption was 31.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 142.98 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: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 107.74 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. * RCFGBuilder took 2166.57 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 17.0 MB). Peak memory consumption was 189.6 MB. Max. memory is 11.5 GB. * TraceAbstraction took 21930.69 ms. Allocated memory was 1.2 GB in the beginning and 2.0 GB in the end (delta: 805.8 MB). Free memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: -139.5 MB). Peak memory consumption was 666.3 MB. Max. memory is 11.5 GB. * Witness Printer took 321.31 ms. Allocated memory is still 2.0 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 67.7 MB). Peak memory consumption was 67.7 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 1587]: 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: 1652]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1658]: Loop Invariant Derived loop invariant: (((((((((a27 == 1 && 1 == a6) && a5 == 1) || ((a3 <= 1 && 1 == a6) && a5 == 1)) || (!(a12 == 1) && a5 == 1)) || ((1 == a6 && a5 == 1) && 1 == a4)) || ((a3 <= 1 && a11 <= 0) && a5 == 1)) || ((a5 == 1 && a26 == 1) && !(1 == a6))) || (a3 <= 0 && a5 == 1)) || ((a11 <= 0 && a5 == 1) && a26 == 1)) || ((a27 == 1 && a11 <= 0) && a5 == 1) - InvariantResult [Line: 54]: Loop Invariant Derived loop invariant: (((((((((a27 == 1 && 1 == a6) && a5 == 1) || ((a3 <= 1 && 1 == a6) && a5 == 1)) || (!(a12 == 1) && a5 == 1)) || ((1 == a6 && a5 == 1) && 1 == a4)) || ((a3 <= 1 && a11 <= 0) && a5 == 1)) || ((a5 == 1 && a26 == 1) && !(1 == a6))) || (a3 <= 0 && a5 == 1)) || ((a11 <= 0 && a5 == 1) && a26 == 1)) || ((a27 == 1 && a11 <= 0) && a5 == 1) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 302 locations, 1 error locations. Result: SAFE, OverallTime: 21.8s, OverallIterations: 12, TraceHistogramMax: 6, AutomataDifference: 13.6s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.8s, HoareTripleCheckerStatistics: 2328 SDtfs, 2912 SDslu, 834 SDs, 0 SdLazy, 6993 SolverSat, 1602 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 9.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 961 GetRequests, 932 SyntacticMatches, 2 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 17 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=47049occurred in iteration=11, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 2.1s AutomataMinimizationTime, 12 MinimizatonAttempts, 1906 StatesRemovedByMinimization, 10 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 614 NumberOfFragments, 175 HoareAnnotationTreeSize, 3 FomulaSimplifications, 18656 FormulaSimplificationTreeSizeReduction, 0.5s HoareSimplificationTime, 3 FomulaSimplificationsInter, 160 FormulaSimplificationTreeSizeReductionInter, 0.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.3s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 1.7s InterpolantComputationTime, 3598 NumberOfCodeBlocks, 3598 NumberOfCodeBlocksAsserted, 16 NumberOfCheckSat, 3582 ConstructedInterpolants, 0 QuantifiedInterpolants, 1507974 SizeOfPredicates, 2 NumberOfNonLiveVariables, 1805 ConjunctsInSsa, 9 ConjunctsInUnsatCore, 16 InterpolantComputations, 12 PerfectInterpolantSequences, 903/920 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...