./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem01_label48.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version cad46833 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_aaec414e-3a00-46e2-a95f-8bbe9d695f08/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_aaec414e-3a00-46e2-a95f-8bbe9d695f08/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_aaec414e-3a00-46e2-a95f-8bbe9d695f08/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_aaec414e-3a00-46e2-a95f-8bbe9d695f08/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem01_label48.c -s /tmp/vcloud-vcloud-master/worker/working_dir_aaec414e-3a00-46e2-a95f-8bbe9d695f08/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_aaec414e-3a00-46e2-a95f-8bbe9d695f08/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 0efda15f8357629016064e69e444205aff537305 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-cad4683 [2019-10-22 09:02:00,365 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-22 09:02:00,366 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-22 09:02:00,378 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-22 09:02:00,378 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-22 09:02:00,379 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-22 09:02:00,380 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-22 09:02:00,381 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-22 09:02:00,382 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-22 09:02:00,383 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-22 09:02:00,384 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-22 09:02:00,385 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-22 09:02:00,385 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-22 09:02:00,386 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-22 09:02:00,386 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-22 09:02:00,387 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-22 09:02:00,388 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-22 09:02:00,389 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-22 09:02:00,390 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-22 09:02:00,391 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-22 09:02:00,392 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-22 09:02:00,393 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-22 09:02:00,394 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-22 09:02:00,394 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-22 09:02:00,404 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-22 09:02:00,405 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-22 09:02:00,405 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-22 09:02:00,406 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-22 09:02:00,406 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-22 09:02:00,407 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-22 09:02:00,407 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-22 09:02:00,407 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-22 09:02:00,408 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-22 09:02:00,409 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-22 09:02:00,409 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-22 09:02:00,410 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-22 09:02:00,410 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-22 09:02:00,410 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-22 09:02:00,410 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-22 09:02:00,411 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-22 09:02:00,412 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-22 09:02:00,417 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_aaec414e-3a00-46e2-a95f-8bbe9d695f08/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-10-22 09:02:00,430 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-22 09:02:00,430 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-22 09:02:00,431 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-22 09:02:00,431 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-22 09:02:00,431 INFO L138 SettingsManager]: * Use SBE=true [2019-10-22 09:02:00,431 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-22 09:02:00,431 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-22 09:02:00,431 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-22 09:02:00,432 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-22 09:02:00,432 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-22 09:02:00,435 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-22 09:02:00,435 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-22 09:02:00,435 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-22 09:02:00,435 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-22 09:02:00,436 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-22 09:02:00,436 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-22 09:02:00,436 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-22 09:02:00,436 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-22 09:02:00,436 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-22 09:02:00,436 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-22 09:02:00,437 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-22 09:02:00,437 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-22 09:02:00,437 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-22 09:02:00,437 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-22 09:02:00,437 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-22 09:02:00,438 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-22 09:02:00,438 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-22 09:02:00,438 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-22 09:02:00,438 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/working_dir_aaec414e-3a00-46e2-a95f-8bbe9d695f08/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 -> 0efda15f8357629016064e69e444205aff537305 [2019-10-22 09:02:00,471 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-22 09:02:00,486 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-22 09:02:00,489 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-22 09:02:00,490 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-22 09:02:00,490 INFO L275 PluginConnector]: CDTParser initialized [2019-10-22 09:02:00,490 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_aaec414e-3a00-46e2-a95f-8bbe9d695f08/bin/uautomizer/../../sv-benchmarks/c/eca-rers2012/Problem01_label48.c [2019-10-22 09:02:00,530 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_aaec414e-3a00-46e2-a95f-8bbe9d695f08/bin/uautomizer/data/e1199ffe6/0efbdf01f19d4ce3b300efae521dcb7a/FLAGedc29718d [2019-10-22 09:02:00,986 INFO L306 CDTParser]: Found 1 translation units. [2019-10-22 09:02:00,987 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_aaec414e-3a00-46e2-a95f-8bbe9d695f08/sv-benchmarks/c/eca-rers2012/Problem01_label48.c [2019-10-22 09:02:00,998 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_aaec414e-3a00-46e2-a95f-8bbe9d695f08/bin/uautomizer/data/e1199ffe6/0efbdf01f19d4ce3b300efae521dcb7a/FLAGedc29718d [2019-10-22 09:02:01,017 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_aaec414e-3a00-46e2-a95f-8bbe9d695f08/bin/uautomizer/data/e1199ffe6/0efbdf01f19d4ce3b300efae521dcb7a [2019-10-22 09:02:01,019 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-22 09:02:01,020 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-10-22 09:02:01,021 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-22 09:02:01,021 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-22 09:02:01,024 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-22 09:02:01,025 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 09:02:01" (1/1) ... [2019-10-22 09:02:01,027 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2e5c1de5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:02:01, skipping insertion in model container [2019-10-22 09:02:01,027 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 09:02:01" (1/1) ... [2019-10-22 09:02:01,033 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-22 09:02:01,086 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-22 09:02:01,536 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 09:02:01,540 INFO L188 MainTranslator]: Completed pre-run [2019-10-22 09:02:01,677 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 09:02:01,690 INFO L192 MainTranslator]: Completed translation [2019-10-22 09:02:01,690 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:02:01 WrapperNode [2019-10-22 09:02:01,690 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-22 09:02:01,691 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-10-22 09:02:01,691 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-10-22 09:02:01,691 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-10-22 09:02:01,699 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:02:01" (1/1) ... [2019-10-22 09:02:01,712 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:02:01" (1/1) ... [2019-10-22 09:02:01,768 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-10-22 09:02:01,769 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-22 09:02:01,769 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-22 09:02:01,769 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-22 09:02:01,778 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:02:01" (1/1) ... [2019-10-22 09:02:01,778 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:02:01" (1/1) ... [2019-10-22 09:02:01,790 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:02:01" (1/1) ... [2019-10-22 09:02:01,790 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:02:01" (1/1) ... [2019-10-22 09:02:01,810 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:02:01" (1/1) ... [2019-10-22 09:02:01,824 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:02:01" (1/1) ... [2019-10-22 09:02:01,834 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:02:01" (1/1) ... [2019-10-22 09:02:01,839 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-22 09:02:01,839 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-22 09:02:01,839 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-22 09:02:01,839 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-22 09:02:01,848 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:02:01" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_aaec414e-3a00-46e2-a95f-8bbe9d695f08/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-22 09:02:01,905 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-22 09:02:01,906 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-22 09:02:02,759 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-22 09:02:02,760 INFO L284 CfgBuilder]: Removed 7 assume(true) statements. [2019-10-22 09:02:02,761 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 09:02:02 BoogieIcfgContainer [2019-10-22 09:02:02,761 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-22 09:02:02,762 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-22 09:02:02,762 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-22 09:02:02,765 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-22 09:02:02,765 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.10 09:02:01" (1/3) ... [2019-10-22 09:02:02,765 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6b7edce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 09:02:02, skipping insertion in model container [2019-10-22 09:02:02,766 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 09:02:01" (2/3) ... [2019-10-22 09:02:02,766 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@6b7edce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 09:02:02, skipping insertion in model container [2019-10-22 09:02:02,766 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 09:02:02" (3/3) ... [2019-10-22 09:02:02,768 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem01_label48.c [2019-10-22 09:02:02,776 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-22 09:02:02,783 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-22 09:02:02,792 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-22 09:02:02,814 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-22 09:02:02,814 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-22 09:02:02,814 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-22 09:02:02,814 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-22 09:02:02,815 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-22 09:02:02,815 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-22 09:02:02,815 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-22 09:02:02,815 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-22 09:02:02,831 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states. [2019-10-22 09:02:02,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2019-10-22 09:02:02,841 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 09:02:02,842 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] [2019-10-22 09:02:02,844 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 09:02:02,849 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 09:02:02,849 INFO L82 PathProgramCache]: Analyzing trace with hash -1763883850, now seen corresponding path program 1 times [2019-10-22 09:02:02,856 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 09:02:02,857 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [401861282] [2019-10-22 09:02:02,857 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:02:02,857 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:02:02,857 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 09:02:02,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:02:03,190 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 09:02:03,190 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [401861282] [2019-10-22 09:02:03,191 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 09:02:03,192 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-22 09:02:03,192 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1008661648] [2019-10-22 09:02:03,196 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-22 09:02:03,196 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 09:02:03,208 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-22 09:02:03,209 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-10-22 09:02:03,211 INFO L87 Difference]: Start difference. First operand 198 states. Second operand 4 states. [2019-10-22 09:02:04,289 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 09:02:04,289 INFO L93 Difference]: Finished difference Result 662 states and 1178 transitions. [2019-10-22 09:02:04,289 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-10-22 09:02:04,291 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 121 [2019-10-22 09:02:04,291 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 09:02:04,304 INFO L225 Difference]: With dead ends: 662 [2019-10-22 09:02:04,304 INFO L226 Difference]: Without dead ends: 397 [2019-10-22 09:02:04,307 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-10-22 09:02:04,324 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 397 states. [2019-10-22 09:02:04,358 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 397 to 397. [2019-10-22 09:02:04,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 397 states. [2019-10-22 09:02:04,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 397 states to 397 states and 577 transitions. [2019-10-22 09:02:04,362 INFO L78 Accepts]: Start accepts. Automaton has 397 states and 577 transitions. Word has length 121 [2019-10-22 09:02:04,362 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 09:02:04,363 INFO L462 AbstractCegarLoop]: Abstraction has 397 states and 577 transitions. [2019-10-22 09:02:04,363 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-22 09:02:04,363 INFO L276 IsEmpty]: Start isEmpty. Operand 397 states and 577 transitions. [2019-10-22 09:02:04,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2019-10-22 09:02:04,367 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 09:02:04,367 INFO L380 BasicCegarLoop]: trace histogram [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] [2019-10-22 09:02:04,367 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 09:02:04,368 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 09:02:04,368 INFO L82 PathProgramCache]: Analyzing trace with hash 1818986610, now seen corresponding path program 1 times [2019-10-22 09:02:04,368 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 09:02:04,368 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [880858283] [2019-10-22 09:02:04,368 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:02:04,369 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:02:04,369 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 09:02:04,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:02:04,434 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 09:02:04,435 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [880858283] [2019-10-22 09:02:04,436 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 09:02:04,436 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [2] imperfect sequences [] total 2 [2019-10-22 09:02:04,436 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [449524684] [2019-10-22 09:02:04,438 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-22 09:02:04,438 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 09:02:04,439 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-22 09:02:04,439 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 09:02:04,439 INFO L87 Difference]: Start difference. First operand 397 states and 577 transitions. Second operand 3 states. [2019-10-22 09:02:04,860 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 09:02:04,861 INFO L93 Difference]: Finished difference Result 1185 states and 1726 transitions. [2019-10-22 09:02:04,861 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-22 09:02:04,861 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 134 [2019-10-22 09:02:04,862 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 09:02:04,865 INFO L225 Difference]: With dead ends: 1185 [2019-10-22 09:02:04,865 INFO L226 Difference]: Without dead ends: 790 [2019-10-22 09:02:04,867 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 2 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 09:02:04,869 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 790 states. [2019-10-22 09:02:04,908 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 790 to 659. [2019-10-22 09:02:04,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 659 states. [2019-10-22 09:02:04,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 659 states to 659 states and 888 transitions. [2019-10-22 09:02:04,914 INFO L78 Accepts]: Start accepts. Automaton has 659 states and 888 transitions. Word has length 134 [2019-10-22 09:02:04,915 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 09:02:04,915 INFO L462 AbstractCegarLoop]: Abstraction has 659 states and 888 transitions. [2019-10-22 09:02:04,915 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-22 09:02:04,915 INFO L276 IsEmpty]: Start isEmpty. Operand 659 states and 888 transitions. [2019-10-22 09:02:04,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2019-10-22 09:02:04,920 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 09:02:04,924 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 09:02:04,925 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 09:02:04,925 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 09:02:04,925 INFO L82 PathProgramCache]: Analyzing trace with hash -1407656640, now seen corresponding path program 1 times [2019-10-22 09:02:04,925 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 09:02:04,926 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [799040573] [2019-10-22 09:02:04,927 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:02:04,928 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:02:04,928 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 09:02:04,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:02:05,030 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2019-10-22 09:02:05,031 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [799040573] [2019-10-22 09:02:05,031 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 09:02:05,031 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-22 09:02:05,031 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1938315508] [2019-10-22 09:02:05,032 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-22 09:02:05,032 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 09:02:05,033 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-22 09:02:05,036 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-10-22 09:02:05,036 INFO L87 Difference]: Start difference. First operand 659 states and 888 transitions. Second operand 4 states. [2019-10-22 09:02:05,775 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 09:02:05,775 INFO L93 Difference]: Finished difference Result 2233 states and 3034 transitions. [2019-10-22 09:02:05,776 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-10-22 09:02:05,776 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 143 [2019-10-22 09:02:05,776 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 09:02:05,780 INFO L225 Difference]: With dead ends: 2233 [2019-10-22 09:02:05,780 INFO L226 Difference]: Without dead ends: 1576 [2019-10-22 09:02:05,781 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 [2019-10-22 09:02:05,782 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1576 states. [2019-10-22 09:02:05,821 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1576 to 1445. [2019-10-22 09:02:05,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1445 states. [2019-10-22 09:02:05,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1445 states to 1445 states and 1879 transitions. [2019-10-22 09:02:05,831 INFO L78 Accepts]: Start accepts. Automaton has 1445 states and 1879 transitions. Word has length 143 [2019-10-22 09:02:05,831 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 09:02:05,833 INFO L462 AbstractCegarLoop]: Abstraction has 1445 states and 1879 transitions. [2019-10-22 09:02:05,833 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-22 09:02:05,833 INFO L276 IsEmpty]: Start isEmpty. Operand 1445 states and 1879 transitions. [2019-10-22 09:02:05,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2019-10-22 09:02:05,839 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 09:02:05,840 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 09:02:05,843 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 09:02:05,846 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 09:02:05,846 INFO L82 PathProgramCache]: Analyzing trace with hash -1463287631, now seen corresponding path program 1 times [2019-10-22 09:02:05,847 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 09:02:05,847 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [549875384] [2019-10-22 09:02:05,847 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:02:05,847 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:02:05,847 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 09:02:05,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:02:05,995 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2019-10-22 09:02:05,995 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [549875384] [2019-10-22 09:02:05,995 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 09:02:05,996 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-22 09:02:05,996 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [668921506] [2019-10-22 09:02:05,997 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-22 09:02:05,999 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 09:02:05,999 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-22 09:02:06,000 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-22 09:02:06,000 INFO L87 Difference]: Start difference. First operand 1445 states and 1879 transitions. Second operand 4 states. [2019-10-22 09:02:06,701 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 09:02:06,702 INFO L93 Difference]: Finished difference Result 3027 states and 3913 transitions. [2019-10-22 09:02:06,702 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-22 09:02:06,702 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 149 [2019-10-22 09:02:06,703 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 09:02:06,706 INFO L225 Difference]: With dead ends: 3027 [2019-10-22 09:02:06,707 INFO L226 Difference]: Without dead ends: 1584 [2019-10-22 09:02:06,708 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-10-22 09:02:06,710 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1584 states. [2019-10-22 09:02:06,736 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1584 to 1576. [2019-10-22 09:02:06,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1576 states. [2019-10-22 09:02:06,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1576 states to 1576 states and 2016 transitions. [2019-10-22 09:02:06,741 INFO L78 Accepts]: Start accepts. Automaton has 1576 states and 2016 transitions. Word has length 149 [2019-10-22 09:02:06,742 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 09:02:06,742 INFO L462 AbstractCegarLoop]: Abstraction has 1576 states and 2016 transitions. [2019-10-22 09:02:06,742 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-22 09:02:06,742 INFO L276 IsEmpty]: Start isEmpty. Operand 1576 states and 2016 transitions. [2019-10-22 09:02:06,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2019-10-22 09:02:06,745 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 09:02:06,746 INFO L380 BasicCegarLoop]: trace histogram [4, 4, 3, 3, 3, 3, 3, 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] [2019-10-22 09:02:06,746 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 09:02:06,746 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 09:02:06,746 INFO L82 PathProgramCache]: Analyzing trace with hash -572408455, now seen corresponding path program 1 times [2019-10-22 09:02:06,746 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 09:02:06,747 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [983364043] [2019-10-22 09:02:06,747 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:02:06,747 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:02:06,747 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 09:02:06,766 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:02:06,830 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2019-10-22 09:02:06,830 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [983364043] [2019-10-22 09:02:06,831 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 09:02:06,831 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-22 09:02:06,831 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [338857239] [2019-10-22 09:02:06,832 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-22 09:02:06,832 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 09:02:06,832 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-22 09:02:06,833 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2019-10-22 09:02:06,833 INFO L87 Difference]: Start difference. First operand 1576 states and 2016 transitions. Second operand 5 states. [2019-10-22 09:02:07,641 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 09:02:07,641 INFO L93 Difference]: Finished difference Result 3281 states and 4233 transitions. [2019-10-22 09:02:07,642 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-22 09:02:07,642 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 153 [2019-10-22 09:02:07,642 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 09:02:07,647 INFO L225 Difference]: With dead ends: 3281 [2019-10-22 09:02:07,647 INFO L226 Difference]: Without dead ends: 1838 [2019-10-22 09:02:07,649 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2019-10-22 09:02:07,651 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1838 states. [2019-10-22 09:02:07,678 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1838 to 1838. [2019-10-22 09:02:07,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1838 states. [2019-10-22 09:02:07,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1838 states to 1838 states and 2308 transitions. [2019-10-22 09:02:07,683 INFO L78 Accepts]: Start accepts. Automaton has 1838 states and 2308 transitions. Word has length 153 [2019-10-22 09:02:07,683 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 09:02:07,683 INFO L462 AbstractCegarLoop]: Abstraction has 1838 states and 2308 transitions. [2019-10-22 09:02:07,683 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-22 09:02:07,683 INFO L276 IsEmpty]: Start isEmpty. Operand 1838 states and 2308 transitions. [2019-10-22 09:02:07,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2019-10-22 09:02:07,687 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 09:02:07,687 INFO L380 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 3, 3, 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] [2019-10-22 09:02:07,687 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 09:02:07,687 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 09:02:07,687 INFO L82 PathProgramCache]: Analyzing trace with hash 1905945086, now seen corresponding path program 1 times [2019-10-22 09:02:07,688 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 09:02:07,688 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1973846694] [2019-10-22 09:02:07,688 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:02:07,688 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:02:07,688 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 09:02:07,707 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:02:07,737 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 46 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2019-10-22 09:02:07,737 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1973846694] [2019-10-22 09:02:07,738 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 09:02:07,738 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-10-22 09:02:07,738 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1539366839] [2019-10-22 09:02:07,738 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-22 09:02:07,738 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 09:02:07,739 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-22 09:02:07,739 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 09:02:07,739 INFO L87 Difference]: Start difference. First operand 1838 states and 2308 transitions. Second operand 3 states. [2019-10-22 09:02:08,088 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 09:02:08,089 INFO L93 Difference]: Finished difference Result 4329 states and 5505 transitions. [2019-10-22 09:02:08,089 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-22 09:02:08,089 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 156 [2019-10-22 09:02:08,089 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 09:02:08,095 INFO L225 Difference]: With dead ends: 4329 [2019-10-22 09:02:08,095 INFO L226 Difference]: Without dead ends: 2362 [2019-10-22 09:02:08,097 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2019-10-22 09:02:08,099 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2362 states. [2019-10-22 09:02:08,128 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2362 to 1969. [2019-10-22 09:02:08,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1969 states. [2019-10-22 09:02:08,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1969 states to 1969 states and 2242 transitions. [2019-10-22 09:02:08,131 INFO L78 Accepts]: Start accepts. Automaton has 1969 states and 2242 transitions. Word has length 156 [2019-10-22 09:02:08,131 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 09:02:08,132 INFO L462 AbstractCegarLoop]: Abstraction has 1969 states and 2242 transitions. [2019-10-22 09:02:08,132 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-22 09:02:08,132 INFO L276 IsEmpty]: Start isEmpty. Operand 1969 states and 2242 transitions. [2019-10-22 09:02:08,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2019-10-22 09:02:08,135 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 09:02:08,135 INFO L380 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 09:02:08,135 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 09:02:08,136 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 09:02:08,136 INFO L82 PathProgramCache]: Analyzing trace with hash -1955275782, now seen corresponding path program 1 times [2019-10-22 09:02:08,136 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 09:02:08,136 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1908007912] [2019-10-22 09:02:08,136 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:02:08,136 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:02:08,137 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 09:02:08,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:02:08,226 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 61 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 09:02:08,226 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1908007912] [2019-10-22 09:02:08,226 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 09:02:08,226 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-22 09:02:08,226 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [345632305] [2019-10-22 09:02:08,227 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-22 09:02:08,227 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 09:02:08,227 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-22 09:02:08,227 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2019-10-22 09:02:08,227 INFO L87 Difference]: Start difference. First operand 1969 states and 2242 transitions. Second operand 5 states. [2019-10-22 09:02:09,036 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 09:02:09,036 INFO L93 Difference]: Finished difference Result 5246 states and 6053 transitions. [2019-10-22 09:02:09,036 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-22 09:02:09,036 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 171 [2019-10-22 09:02:09,037 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 09:02:09,046 INFO L225 Difference]: With dead ends: 5246 [2019-10-22 09:02:09,046 INFO L226 Difference]: Without dead ends: 3410 [2019-10-22 09:02:09,048 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=10, Invalid=10, Unknown=0, NotChecked=0, Total=20 [2019-10-22 09:02:09,052 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3410 states. [2019-10-22 09:02:09,098 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3410 to 2755. [2019-10-22 09:02:09,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2755 states. [2019-10-22 09:02:09,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2755 states to 2755 states and 3075 transitions. [2019-10-22 09:02:09,102 INFO L78 Accepts]: Start accepts. Automaton has 2755 states and 3075 transitions. Word has length 171 [2019-10-22 09:02:09,103 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 09:02:09,103 INFO L462 AbstractCegarLoop]: Abstraction has 2755 states and 3075 transitions. [2019-10-22 09:02:09,103 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-22 09:02:09,103 INFO L276 IsEmpty]: Start isEmpty. Operand 2755 states and 3075 transitions. [2019-10-22 09:02:09,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 238 [2019-10-22 09:02:09,109 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 09:02:09,110 INFO L380 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2019-10-22 09:02:09,110 INFO L410 AbstractCegarLoop]: === Iteration 8 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 09:02:09,110 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 09:02:09,110 INFO L82 PathProgramCache]: Analyzing trace with hash 731241800, now seen corresponding path program 1 times [2019-10-22 09:02:09,110 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 09:02:09,111 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [641046417] [2019-10-22 09:02:09,111 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:02:09,111 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:02:09,111 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 09:02:09,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:02:09,333 INFO L134 CoverageAnalysis]: Checked inductivity of 240 backedges. 173 proven. 27 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2019-10-22 09:02:09,333 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [641046417] [2019-10-22 09:02:09,333 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [777725200] [2019-10-22 09:02:09,333 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_aaec414e-3a00-46e2-a95f-8bbe9d695f08/bin/uautomizer/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-22 09:02:09,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:02:09,429 INFO L256 TraceCheckSpWp]: Trace formula consists of 418 conjuncts, 2 conjunts are in the unsatisfiable core [2019-10-22 09:02:09,445 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-22 09:02:09,533 INFO L134 CoverageAnalysis]: Checked inductivity of 240 backedges. 115 proven. 0 refuted. 0 times theorem prover too weak. 125 trivial. 0 not checked. [2019-10-22 09:02:09,534 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-10-22 09:02:09,535 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 7 [2019-10-22 09:02:09,535 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1800505093] [2019-10-22 09:02:09,536 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-22 09:02:09,536 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 09:02:09,537 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-22 09:02:09,537 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2019-10-22 09:02:09,537 INFO L87 Difference]: Start difference. First operand 2755 states and 3075 transitions. Second operand 3 states. [2019-10-22 09:02:09,949 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 09:02:09,950 INFO L93 Difference]: Finished difference Result 5639 states and 6302 transitions. [2019-10-22 09:02:09,951 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-22 09:02:09,951 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 237 [2019-10-22 09:02:09,952 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 09:02:09,959 INFO L225 Difference]: With dead ends: 5639 [2019-10-22 09:02:09,960 INFO L226 Difference]: Without dead ends: 2755 [2019-10-22 09:02:09,962 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 243 GetRequests, 237 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=16, Invalid=26, Unknown=0, NotChecked=0, Total=42 [2019-10-22 09:02:09,966 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2755 states. [2019-10-22 09:02:10,006 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2755 to 2493. [2019-10-22 09:02:10,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2493 states. [2019-10-22 09:02:10,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2493 states to 2493 states and 2700 transitions. [2019-10-22 09:02:10,010 INFO L78 Accepts]: Start accepts. Automaton has 2493 states and 2700 transitions. Word has length 237 [2019-10-22 09:02:10,010 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 09:02:10,011 INFO L462 AbstractCegarLoop]: Abstraction has 2493 states and 2700 transitions. [2019-10-22 09:02:10,011 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-22 09:02:10,011 INFO L276 IsEmpty]: Start isEmpty. Operand 2493 states and 2700 transitions. [2019-10-22 09:02:10,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 241 [2019-10-22 09:02:10,017 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 09:02:10,017 INFO L380 BasicCegarLoop]: trace histogram [5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2019-10-22 09:02:10,217 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-22 09:02:10,218 INFO L410 AbstractCegarLoop]: === Iteration 9 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 09:02:10,218 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 09:02:10,219 INFO L82 PathProgramCache]: Analyzing trace with hash -786840920, now seen corresponding path program 1 times [2019-10-22 09:02:10,219 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 09:02:10,219 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1557278558] [2019-10-22 09:02:10,219 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:02:10,219 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:02:10,219 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 09:02:10,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:02:10,398 INFO L134 CoverageAnalysis]: Checked inductivity of 249 backedges. 196 proven. 0 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2019-10-22 09:02:10,399 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1557278558] [2019-10-22 09:02:10,399 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 09:02:10,399 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-22 09:02:10,399 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [37284586] [2019-10-22 09:02:10,399 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-22 09:02:10,400 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 09:02:10,400 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-22 09:02:10,400 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-10-22 09:02:10,400 INFO L87 Difference]: Start difference. First operand 2493 states and 2700 transitions. Second operand 4 states. [2019-10-22 09:02:10,849 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 09:02:10,849 INFO L93 Difference]: Finished difference Result 5508 states and 5981 transitions. [2019-10-22 09:02:10,849 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-22 09:02:10,850 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 240 [2019-10-22 09:02:10,850 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 09:02:10,857 INFO L225 Difference]: With dead ends: 5508 [2019-10-22 09:02:10,857 INFO L226 Difference]: Without dead ends: 2886 [2019-10-22 09:02:10,860 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-10-22 09:02:10,864 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 2886 states. [2019-10-22 09:02:10,900 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 2886 to 2362. [2019-10-22 09:02:10,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2362 states. [2019-10-22 09:02:10,903 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2362 states to 2362 states and 2557 transitions. [2019-10-22 09:02:10,903 INFO L78 Accepts]: Start accepts. Automaton has 2362 states and 2557 transitions. Word has length 240 [2019-10-22 09:02:10,904 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 09:02:10,906 INFO L462 AbstractCegarLoop]: Abstraction has 2362 states and 2557 transitions. [2019-10-22 09:02:10,907 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-22 09:02:10,907 INFO L276 IsEmpty]: Start isEmpty. Operand 2362 states and 2557 transitions. [2019-10-22 09:02:10,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 264 [2019-10-22 09:02:10,912 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 09:02:10,913 INFO L380 BasicCegarLoop]: trace histogram [6, 6, 6, 6, 6, 6, 6, 6, 6, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 5, 4, 4, 4, 4, 3, 3, 3, 3, 3, 3, 3, 3, 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] [2019-10-22 09:02:10,913 INFO L410 AbstractCegarLoop]: === Iteration 10 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 09:02:10,913 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 09:02:10,913 INFO L82 PathProgramCache]: Analyzing trace with hash -1721505113, now seen corresponding path program 1 times [2019-10-22 09:02:10,914 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 09:02:10,914 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1438598441] [2019-10-22 09:02:10,914 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:02:10,916 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 09:02:10,917 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 09:02:10,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:02:11,090 INFO L134 CoverageAnalysis]: Checked inductivity of 351 backedges. 233 proven. 27 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2019-10-22 09:02:11,091 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1438598441] [2019-10-22 09:02:11,091 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1092618497] [2019-10-22 09:02:11,091 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_aaec414e-3a00-46e2-a95f-8bbe9d695f08/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 [2019-10-22 09:02:11,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 09:02:11,193 INFO L256 TraceCheckSpWp]: Trace formula consists of 469 conjuncts, 2 conjunts are in the unsatisfiable core [2019-10-22 09:02:11,204 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-10-22 09:02:11,267 INFO L134 CoverageAnalysis]: Checked inductivity of 351 backedges. 141 proven. 0 refuted. 0 times theorem prover too weak. 210 trivial. 0 not checked. [2019-10-22 09:02:11,267 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-10-22 09:02:11,268 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [5] total 7 [2019-10-22 09:02:11,268 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1838503632] [2019-10-22 09:02:11,269 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-10-22 09:02:11,269 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 09:02:11,269 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-10-22 09:02:11,269 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2019-10-22 09:02:11,269 INFO L87 Difference]: Start difference. First operand 2362 states and 2557 transitions. Second operand 3 states. [2019-10-22 09:02:11,587 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 09:02:11,587 INFO L93 Difference]: Finished difference Result 4982 states and 5390 transitions. [2019-10-22 09:02:11,587 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-10-22 09:02:11,587 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 263 [2019-10-22 09:02:11,588 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 09:02:11,588 INFO L225 Difference]: With dead ends: 4982 [2019-10-22 09:02:11,588 INFO L226 Difference]: Without dead ends: 0 [2019-10-22 09:02:11,591 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 269 GetRequests, 263 SyntacticMatches, 1 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=17, Invalid=25, Unknown=0, NotChecked=0, Total=42 [2019-10-22 09:02:11,591 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-22 09:02:11,591 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-22 09:02:11,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-22 09:02:11,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-22 09:02:11,592 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 263 [2019-10-22 09:02:11,592 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 09:02:11,592 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-22 09:02:11,592 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-10-22 09:02:11,593 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-22 09:02:11,593 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-22 09:02:11,793 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-10-22 09:02:11,797 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-10-22 09:02:12,407 WARN L191 SmtUtils]: Spent 494.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 48 [2019-10-22 09:02:12,868 WARN L191 SmtUtils]: Spent 459.00 ms on a formula simplification. DAG size of input: 81 DAG size of output: 48 [2019-10-22 09:02:12,870 INFO L443 ceAbstractionStarter]: For program point L333(lines 333 390) no Hoare annotation was computed. [2019-10-22 09:02:12,870 INFO L443 ceAbstractionStarter]: For program point L102(lines 102 390) no Hoare annotation was computed. [2019-10-22 09:02:12,870 INFO L443 ceAbstractionStarter]: For program point L565-1(lines 30 575) no Hoare annotation was computed. [2019-10-22 09:02:12,870 INFO L443 ceAbstractionStarter]: For program point L532-1(lines 30 575) no Hoare annotation was computed. [2019-10-22 09:02:12,870 INFO L443 ceAbstractionStarter]: For program point L499-1(lines 30 575) no Hoare annotation was computed. [2019-10-22 09:02:12,870 INFO L443 ceAbstractionStarter]: For program point L466-1(lines 30 575) no Hoare annotation was computed. [2019-10-22 09:02:12,870 INFO L443 ceAbstractionStarter]: For program point L433-1(lines 30 575) no Hoare annotation was computed. [2019-10-22 09:02:12,870 INFO L443 ceAbstractionStarter]: For program point L400-1(lines 30 575) no Hoare annotation was computed. [2019-10-22 09:02:12,870 INFO L443 ceAbstractionStarter]: For program point L268(lines 268 390) no Hoare annotation was computed. [2019-10-22 09:02:12,871 INFO L443 ceAbstractionStarter]: For program point L136(lines 136 390) no Hoare annotation was computed. [2019-10-22 09:02:12,871 INFO L443 ceAbstractionStarter]: For program point L566(line 566) no Hoare annotation was computed. [2019-10-22 09:02:12,871 INFO L443 ceAbstractionStarter]: For program point L533(line 533) no Hoare annotation was computed. [2019-10-22 09:02:12,871 INFO L443 ceAbstractionStarter]: For program point L500(line 500) no Hoare annotation was computed. [2019-10-22 09:02:12,871 INFO L443 ceAbstractionStarter]: For program point L467(line 467) no Hoare annotation was computed. [2019-10-22 09:02:12,871 INFO L443 ceAbstractionStarter]: For program point L434(line 434) no Hoare annotation was computed. [2019-10-22 09:02:12,871 INFO L443 ceAbstractionStarter]: For program point L401(line 401) no Hoare annotation was computed. [2019-10-22 09:02:12,871 INFO L443 ceAbstractionStarter]: For program point L203(lines 203 390) no Hoare annotation was computed. [2019-10-22 09:02:12,871 INFO L443 ceAbstractionStarter]: For program point L72(lines 72 390) no Hoare annotation was computed. [2019-10-22 09:02:12,871 INFO L443 ceAbstractionStarter]: For program point L568-1(lines 30 575) no Hoare annotation was computed. [2019-10-22 09:02:12,871 INFO L443 ceAbstractionStarter]: For program point L535-1(lines 30 575) no Hoare annotation was computed. [2019-10-22 09:02:12,872 INFO L443 ceAbstractionStarter]: For program point L502-1(lines 30 575) no Hoare annotation was computed. [2019-10-22 09:02:12,872 INFO L443 ceAbstractionStarter]: For program point L469-1(lines 30 575) no Hoare annotation was computed. [2019-10-22 09:02:12,872 INFO L443 ceAbstractionStarter]: For program point L436-1(lines 30 575) no Hoare annotation was computed. [2019-10-22 09:02:12,872 INFO L443 ceAbstractionStarter]: For program point L403-1(lines 30 575) no Hoare annotation was computed. [2019-10-22 09:02:12,872 INFO L443 ceAbstractionStarter]: For program point L337(lines 337 390) no Hoare annotation was computed. [2019-10-22 09:02:12,872 INFO L443 ceAbstractionStarter]: For program point L238(lines 238 390) no Hoare annotation was computed. [2019-10-22 09:02:12,872 INFO L443 ceAbstractionStarter]: For program point L569(line 569) no Hoare annotation was computed. [2019-10-22 09:02:12,872 INFO L443 ceAbstractionStarter]: For program point L536(line 536) no Hoare annotation was computed. [2019-10-22 09:02:12,872 INFO L443 ceAbstractionStarter]: For program point L503(line 503) no Hoare annotation was computed. [2019-10-22 09:02:12,872 INFO L443 ceAbstractionStarter]: For program point L470(line 470) no Hoare annotation was computed. [2019-10-22 09:02:12,872 INFO L443 ceAbstractionStarter]: For program point L437(line 437) no Hoare annotation was computed. [2019-10-22 09:02:12,872 INFO L443 ceAbstractionStarter]: For program point L404(line 404) no Hoare annotation was computed. [2019-10-22 09:02:12,873 INFO L443 ceAbstractionStarter]: For program point L173(lines 173 390) no Hoare annotation was computed. [2019-10-22 09:02:12,873 INFO L443 ceAbstractionStarter]: For program point L140(lines 140 390) no Hoare annotation was computed. [2019-10-22 09:02:12,873 INFO L443 ceAbstractionStarter]: For program point L372(lines 372 390) no Hoare annotation was computed. [2019-10-22 09:02:12,873 INFO L443 ceAbstractionStarter]: For program point L306(lines 306 390) no Hoare annotation was computed. [2019-10-22 09:02:12,873 INFO L443 ceAbstractionStarter]: For program point L273(lines 273 390) no Hoare annotation was computed. [2019-10-22 09:02:12,873 INFO L443 ceAbstractionStarter]: For program point L108(lines 108 390) no Hoare annotation was computed. [2019-10-22 09:02:12,873 INFO L443 ceAbstractionStarter]: For program point L571-1(lines 571 573) no Hoare annotation was computed. [2019-10-22 09:02:12,873 INFO L443 ceAbstractionStarter]: For program point L538-1(lines 30 575) no Hoare annotation was computed. [2019-10-22 09:02:12,873 INFO L443 ceAbstractionStarter]: For program point L505-1(lines 30 575) no Hoare annotation was computed. [2019-10-22 09:02:12,873 INFO L443 ceAbstractionStarter]: For program point L472-1(lines 30 575) no Hoare annotation was computed. [2019-10-22 09:02:12,873 INFO L443 ceAbstractionStarter]: For program point L439-1(lines 30 575) no Hoare annotation was computed. [2019-10-22 09:02:12,874 INFO L443 ceAbstractionStarter]: For program point L406-1(lines 30 575) no Hoare annotation was computed. [2019-10-22 09:02:12,874 INFO L443 ceAbstractionStarter]: For program point L208(lines 208 390) no Hoare annotation was computed. [2019-10-22 09:02:12,874 INFO L443 ceAbstractionStarter]: For program point L43(lines 43 390) no Hoare annotation was computed. [2019-10-22 09:02:12,874 INFO L443 ceAbstractionStarter]: For program point L572(line 572) no Hoare annotation was computed. [2019-10-22 09:02:12,874 INFO L443 ceAbstractionStarter]: For program point L539(line 539) no Hoare annotation was computed. [2019-10-22 09:02:12,874 INFO L443 ceAbstractionStarter]: For program point L506(line 506) no Hoare annotation was computed. [2019-10-22 09:02:12,874 INFO L443 ceAbstractionStarter]: For program point L473(line 473) no Hoare annotation was computed. [2019-10-22 09:02:12,874 INFO L443 ceAbstractionStarter]: For program point L440(line 440) no Hoare annotation was computed. [2019-10-22 09:02:12,874 INFO L443 ceAbstractionStarter]: For program point L407(line 407) no Hoare annotation was computed. [2019-10-22 09:02:12,874 INFO L443 ceAbstractionStarter]: For program point L144(lines 144 390) no Hoare annotation was computed. [2019-10-22 09:02:12,874 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 539) no Hoare annotation was computed. [2019-10-22 09:02:12,875 INFO L439 ceAbstractionStarter]: At program point L574(lines 30 575) the Hoare annotation is: (let ((.cse10 (= ~a17~0 1)) (.cse1 (not (= 14 ~a8~0))) (.cse11 (= ~a21~0 1))) (let ((.cse9 (= 5 ~a16~0)) (.cse0 (= 1 ~a7~0)) (.cse4 (and .cse10 .cse1 .cse11)) (.cse8 (= 15 ~a8~0)) (.cse7 (<= ~a20~0 0)) (.cse5 (<= ~a16~0 4)) (.cse6 (<= 14 ~a8~0)) (.cse12 (not (= ~a16~0 6))) (.cse2 (<= ~a17~0 0)) (.cse3 (= ~a20~0 1))) (or (and (and .cse0 .cse1) .cse2 .cse3) (and .cse4 .cse3) (and .cse0 .cse5) (and .cse4 .cse6 .cse7) (and .cse0 .cse8 .cse9) (and .cse3 .cse8 (not .cse10)) (and .cse0 .cse10 .cse1 .cse3 (= ~a16~0 5)) (and .cse6 .cse9 .cse7) (and .cse0 .cse9 .cse7) (and .cse10 .cse11 .cse3 .cse5) (and .cse0 (and .cse4 .cse12)) (and .cse8 .cse7) (and .cse2 .cse3 .cse5) (and .cse7 .cse5) (and .cse6 .cse12 .cse2 .cse3)))) [2019-10-22 09:02:12,875 INFO L443 ceAbstractionStarter]: For program point L541-1(lines 30 575) no Hoare annotation was computed. [2019-10-22 09:02:12,875 INFO L443 ceAbstractionStarter]: For program point L508-1(lines 30 575) no Hoare annotation was computed. [2019-10-22 09:02:12,875 INFO L443 ceAbstractionStarter]: For program point L475-1(lines 30 575) no Hoare annotation was computed. [2019-10-22 09:02:12,875 INFO L443 ceAbstractionStarter]: For program point L442-1(lines 30 575) no Hoare annotation was computed. [2019-10-22 09:02:12,875 INFO L443 ceAbstractionStarter]: For program point L409-1(lines 30 575) no Hoare annotation was computed. [2019-10-22 09:02:12,876 INFO L443 ceAbstractionStarter]: For program point L178(lines 178 390) no Hoare annotation was computed. [2019-10-22 09:02:12,876 INFO L443 ceAbstractionStarter]: For program point L542(line 542) no Hoare annotation was computed. [2019-10-22 09:02:12,876 INFO L443 ceAbstractionStarter]: For program point L509(line 509) no Hoare annotation was computed. [2019-10-22 09:02:12,876 INFO L443 ceAbstractionStarter]: For program point L476(line 476) no Hoare annotation was computed. [2019-10-22 09:02:12,877 INFO L443 ceAbstractionStarter]: For program point L443(line 443) no Hoare annotation was computed. [2019-10-22 09:02:12,877 INFO L443 ceAbstractionStarter]: For program point L410(line 410) no Hoare annotation was computed. [2019-10-22 09:02:12,877 INFO L443 ceAbstractionStarter]: For program point L377(lines 377 390) no Hoare annotation was computed. [2019-10-22 09:02:12,877 INFO L443 ceAbstractionStarter]: For program point L278(lines 278 390) no Hoare annotation was computed. [2019-10-22 09:02:12,877 INFO L443 ceAbstractionStarter]: For program point L245(lines 245 390) no Hoare annotation was computed. [2019-10-22 09:02:12,877 INFO L443 ceAbstractionStarter]: For program point L80(lines 80 390) no Hoare annotation was computed. [2019-10-22 09:02:12,877 INFO L443 ceAbstractionStarter]: For program point L345(lines 345 390) no Hoare annotation was computed. [2019-10-22 09:02:12,878 INFO L443 ceAbstractionStarter]: For program point L312(lines 312 390) no Hoare annotation was computed. [2019-10-22 09:02:12,878 INFO L443 ceAbstractionStarter]: For program point L114(lines 114 390) no Hoare annotation was computed. [2019-10-22 09:02:12,878 INFO L446 ceAbstractionStarter]: At program point L577(lines 577 594) the Hoare annotation is: true [2019-10-22 09:02:12,878 INFO L443 ceAbstractionStarter]: For program point L544-1(lines 30 575) no Hoare annotation was computed. [2019-10-22 09:02:12,878 INFO L443 ceAbstractionStarter]: For program point L511-1(lines 30 575) no Hoare annotation was computed. [2019-10-22 09:02:12,878 INFO L443 ceAbstractionStarter]: For program point L478-1(lines 30 575) no Hoare annotation was computed. [2019-10-22 09:02:12,878 INFO L443 ceAbstractionStarter]: For program point L445-1(lines 30 575) no Hoare annotation was computed. [2019-10-22 09:02:12,878 INFO L443 ceAbstractionStarter]: For program point L412-1(lines 30 575) no Hoare annotation was computed. [2019-10-22 09:02:12,878 INFO L443 ceAbstractionStarter]: For program point L214(lines 214 390) no Hoare annotation was computed. [2019-10-22 09:02:12,878 INFO L443 ceAbstractionStarter]: For program point L148(lines 148 390) no Hoare annotation was computed. [2019-10-22 09:02:12,878 INFO L443 ceAbstractionStarter]: For program point L49(lines 49 390) no Hoare annotation was computed. [2019-10-22 09:02:12,879 INFO L443 ceAbstractionStarter]: For program point L545(line 545) no Hoare annotation was computed. [2019-10-22 09:02:12,879 INFO L443 ceAbstractionStarter]: For program point L512(line 512) no Hoare annotation was computed. [2019-10-22 09:02:12,879 INFO L443 ceAbstractionStarter]: For program point L479(line 479) no Hoare annotation was computed. [2019-10-22 09:02:12,879 INFO L443 ceAbstractionStarter]: For program point L446(line 446) no Hoare annotation was computed. [2019-10-22 09:02:12,879 INFO L443 ceAbstractionStarter]: For program point L413(line 413) no Hoare annotation was computed. [2019-10-22 09:02:12,879 INFO L443 ceAbstractionStarter]: For program point L84(lines 84 390) no Hoare annotation was computed. [2019-10-22 09:02:12,879 INFO L443 ceAbstractionStarter]: For program point L547-1(lines 30 575) no Hoare annotation was computed. [2019-10-22 09:02:12,879 INFO L443 ceAbstractionStarter]: For program point L514-1(lines 30 575) no Hoare annotation was computed. [2019-10-22 09:02:12,879 INFO L443 ceAbstractionStarter]: For program point L481-1(lines 30 575) no Hoare annotation was computed. [2019-10-22 09:02:12,879 INFO L443 ceAbstractionStarter]: For program point L448-1(lines 30 575) no Hoare annotation was computed. [2019-10-22 09:02:12,879 INFO L443 ceAbstractionStarter]: For program point L382(lines 382 390) no Hoare annotation was computed. [2019-10-22 09:02:12,879 INFO L443 ceAbstractionStarter]: For program point L415-1(lines 30 575) no Hoare annotation was computed. [2019-10-22 09:02:12,879 INFO L443 ceAbstractionStarter]: For program point L316(lines 316 390) no Hoare annotation was computed. [2019-10-22 09:02:12,880 INFO L443 ceAbstractionStarter]: For program point L250(lines 250 390) no Hoare annotation was computed. [2019-10-22 09:02:12,880 INFO L443 ceAbstractionStarter]: For program point L548(line 548) no Hoare annotation was computed. [2019-10-22 09:02:12,880 INFO L443 ceAbstractionStarter]: For program point L515(line 515) no Hoare annotation was computed. [2019-10-22 09:02:12,880 INFO L443 ceAbstractionStarter]: For program point L482(line 482) no Hoare annotation was computed. [2019-10-22 09:02:12,881 INFO L443 ceAbstractionStarter]: For program point L449(line 449) no Hoare annotation was computed. [2019-10-22 09:02:12,881 INFO L443 ceAbstractionStarter]: For program point L416(line 416) no Hoare annotation was computed. [2019-10-22 09:02:12,881 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-10-22 09:02:12,881 INFO L443 ceAbstractionStarter]: For program point L218(lines 218 390) no Hoare annotation was computed. [2019-10-22 09:02:12,881 INFO L443 ceAbstractionStarter]: For program point L152(lines 152 390) no Hoare annotation was computed. [2019-10-22 09:02:12,881 INFO L443 ceAbstractionStarter]: For program point L119(lines 119 390) no Hoare annotation was computed. [2019-10-22 09:02:12,881 INFO L443 ceAbstractionStarter]: For program point L318(lines 318 390) no Hoare annotation was computed. [2019-10-22 09:02:12,881 INFO L443 ceAbstractionStarter]: For program point L186(lines 186 390) no Hoare annotation was computed. [2019-10-22 09:02:12,881 INFO L443 ceAbstractionStarter]: For program point L54(lines 54 390) no Hoare annotation was computed. [2019-10-22 09:02:12,881 INFO L443 ceAbstractionStarter]: For program point L550-1(lines 30 575) no Hoare annotation was computed. [2019-10-22 09:02:12,882 INFO L439 ceAbstractionStarter]: At program point L583-2(lines 583 593) the Hoare annotation is: (let ((.cse10 (= ~a17~0 1)) (.cse1 (not (= 14 ~a8~0))) (.cse11 (= ~a21~0 1))) (let ((.cse9 (= 5 ~a16~0)) (.cse0 (= 1 ~a7~0)) (.cse4 (and .cse10 .cse1 .cse11)) (.cse8 (= 15 ~a8~0)) (.cse7 (<= ~a20~0 0)) (.cse5 (<= ~a16~0 4)) (.cse6 (<= 14 ~a8~0)) (.cse12 (not (= ~a16~0 6))) (.cse2 (<= ~a17~0 0)) (.cse3 (= ~a20~0 1))) (or (and (and .cse0 .cse1) .cse2 .cse3) (and .cse4 .cse3) (and .cse0 .cse5) (and .cse4 .cse6 .cse7) (and .cse0 .cse8 .cse9) (and .cse3 .cse8 (not .cse10)) (and .cse0 .cse10 .cse1 .cse3 (= ~a16~0 5)) (and .cse6 .cse9 .cse7) (and .cse0 .cse9 .cse7) (and .cse10 .cse11 .cse3 .cse5) (and .cse0 (and .cse4 .cse12)) (and .cse8 .cse7) (and .cse2 .cse3 .cse5) (and .cse7 .cse5) (and .cse6 .cse12 .cse2 .cse3)))) [2019-10-22 09:02:12,882 INFO L443 ceAbstractionStarter]: For program point L517-1(lines 30 575) no Hoare annotation was computed. [2019-10-22 09:02:12,882 INFO L443 ceAbstractionStarter]: For program point L484-1(lines 30 575) no Hoare annotation was computed. [2019-10-22 09:02:12,882 INFO L443 ceAbstractionStarter]: For program point L451-1(lines 30 575) no Hoare annotation was computed. [2019-10-22 09:02:12,882 INFO L443 ceAbstractionStarter]: For program point L418-1(lines 30 575) no Hoare annotation was computed. [2019-10-22 09:02:12,882 INFO L443 ceAbstractionStarter]: For program point L286(lines 286 390) no Hoare annotation was computed. [2019-10-22 09:02:12,882 INFO L443 ceAbstractionStarter]: For program point L551(line 551) no Hoare annotation was computed. [2019-10-22 09:02:12,882 INFO L443 ceAbstractionStarter]: For program point L518(line 518) no Hoare annotation was computed. [2019-10-22 09:02:12,882 INFO L443 ceAbstractionStarter]: For program point L485(line 485) no Hoare annotation was computed. [2019-10-22 09:02:12,882 INFO L443 ceAbstractionStarter]: For program point L452(line 452) no Hoare annotation was computed. [2019-10-22 09:02:12,882 INFO L443 ceAbstractionStarter]: For program point L419(line 419) no Hoare annotation was computed. [2019-10-22 09:02:12,883 INFO L443 ceAbstractionStarter]: For program point L353(lines 353 390) no Hoare annotation was computed. [2019-10-22 09:02:12,883 INFO L443 ceAbstractionStarter]: For program point L189(lines 189 390) no Hoare annotation was computed. [2019-10-22 09:02:12,883 INFO L443 ceAbstractionStarter]: For program point L553-1(lines 30 575) no Hoare annotation was computed. [2019-10-22 09:02:12,883 INFO L443 ceAbstractionStarter]: For program point L520-1(lines 30 575) no Hoare annotation was computed. [2019-10-22 09:02:12,883 INFO L443 ceAbstractionStarter]: For program point L487-1(lines 30 575) no Hoare annotation was computed. [2019-10-22 09:02:12,883 INFO L443 ceAbstractionStarter]: For program point L454-1(lines 30 575) no Hoare annotation was computed. [2019-10-22 09:02:12,884 INFO L443 ceAbstractionStarter]: For program point L421-1(lines 30 575) no Hoare annotation was computed. [2019-10-22 09:02:12,884 INFO L443 ceAbstractionStarter]: For program point L355(lines 355 390) no Hoare annotation was computed. [2019-10-22 09:02:12,884 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-10-22 09:02:12,884 INFO L443 ceAbstractionStarter]: For program point L256(lines 256 390) no Hoare annotation was computed. [2019-10-22 09:02:12,884 INFO L443 ceAbstractionStarter]: For program point L223(lines 223 390) no Hoare annotation was computed. [2019-10-22 09:02:12,884 INFO L443 ceAbstractionStarter]: For program point L124(lines 124 390) no Hoare annotation was computed. [2019-10-22 09:02:12,884 INFO L443 ceAbstractionStarter]: For program point L554(line 554) no Hoare annotation was computed. [2019-10-22 09:02:12,884 INFO L443 ceAbstractionStarter]: For program point L521(line 521) no Hoare annotation was computed. [2019-10-22 09:02:12,885 INFO L443 ceAbstractionStarter]: For program point L488(line 488) no Hoare annotation was computed. [2019-10-22 09:02:12,885 INFO L443 ceAbstractionStarter]: For program point L455(line 455) no Hoare annotation was computed. [2019-10-22 09:02:12,885 INFO L443 ceAbstractionStarter]: For program point L422(line 422) no Hoare annotation was computed. [2019-10-22 09:02:12,885 INFO L443 ceAbstractionStarter]: For program point L92(lines 92 390) no Hoare annotation was computed. [2019-10-22 09:02:12,885 INFO L443 ceAbstractionStarter]: For program point L588(line 588) no Hoare annotation was computed. [2019-10-22 09:02:12,885 INFO L443 ceAbstractionStarter]: For program point L324(lines 324 390) no Hoare annotation was computed. [2019-10-22 09:02:12,885 INFO L443 ceAbstractionStarter]: For program point L556-1(lines 30 575) no Hoare annotation was computed. [2019-10-22 09:02:12,885 INFO L443 ceAbstractionStarter]: For program point L523-1(lines 30 575) no Hoare annotation was computed. [2019-10-22 09:02:12,885 INFO L443 ceAbstractionStarter]: For program point L490-1(lines 30 575) no Hoare annotation was computed. [2019-10-22 09:02:12,885 INFO L443 ceAbstractionStarter]: For program point L457-1(lines 30 575) no Hoare annotation was computed. [2019-10-22 09:02:12,885 INFO L443 ceAbstractionStarter]: For program point L391(lines 391 393) no Hoare annotation was computed. [2019-10-22 09:02:12,885 INFO L443 ceAbstractionStarter]: For program point L424-1(lines 30 575) no Hoare annotation was computed. [2019-10-22 09:02:12,886 INFO L443 ceAbstractionStarter]: For program point L391-2(lines 30 575) no Hoare annotation was computed. [2019-10-22 09:02:12,886 INFO L443 ceAbstractionStarter]: For program point L292(lines 292 390) no Hoare annotation was computed. [2019-10-22 09:02:12,886 INFO L443 ceAbstractionStarter]: For program point L160(lines 160 390) no Hoare annotation was computed. [2019-10-22 09:02:12,886 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-10-22 09:02:12,886 INFO L443 ceAbstractionStarter]: For program point L557(line 557) no Hoare annotation was computed. [2019-10-22 09:02:12,886 INFO L443 ceAbstractionStarter]: For program point L524(line 524) no Hoare annotation was computed. [2019-10-22 09:02:12,886 INFO L443 ceAbstractionStarter]: For program point L491(line 491) no Hoare annotation was computed. [2019-10-22 09:02:12,886 INFO L443 ceAbstractionStarter]: For program point L458(line 458) no Hoare annotation was computed. [2019-10-22 09:02:12,886 INFO L443 ceAbstractionStarter]: For program point L425(line 425) no Hoare annotation was computed. [2019-10-22 09:02:12,886 INFO L443 ceAbstractionStarter]: For program point L392(line 392) no Hoare annotation was computed. [2019-10-22 09:02:12,886 INFO L443 ceAbstractionStarter]: For program point L194(lines 194 390) no Hoare annotation was computed. [2019-10-22 09:02:12,886 INFO L443 ceAbstractionStarter]: For program point L62(lines 62 390) no Hoare annotation was computed. [2019-10-22 09:02:12,886 INFO L443 ceAbstractionStarter]: For program point L261(lines 261 390) no Hoare annotation was computed. [2019-10-22 09:02:12,887 INFO L443 ceAbstractionStarter]: For program point L129(lines 129 390) no Hoare annotation was computed. [2019-10-22 09:02:12,887 INFO L443 ceAbstractionStarter]: For program point L559-1(lines 30 575) no Hoare annotation was computed. [2019-10-22 09:02:12,887 INFO L443 ceAbstractionStarter]: For program point L526-1(lines 30 575) no Hoare annotation was computed. [2019-10-22 09:02:12,887 INFO L443 ceAbstractionStarter]: For program point L493-1(lines 30 575) no Hoare annotation was computed. [2019-10-22 09:02:12,887 INFO L443 ceAbstractionStarter]: For program point L460-1(lines 30 575) no Hoare annotation was computed. [2019-10-22 09:02:12,887 INFO L443 ceAbstractionStarter]: For program point L427-1(lines 30 575) no Hoare annotation was computed. [2019-10-22 09:02:12,887 INFO L443 ceAbstractionStarter]: For program point L361(lines 361 390) no Hoare annotation was computed. [2019-10-22 09:02:12,887 INFO L443 ceAbstractionStarter]: For program point L394-1(lines 30 575) no Hoare annotation was computed. [2019-10-22 09:02:12,887 INFO L443 ceAbstractionStarter]: For program point L97(lines 97 390) no Hoare annotation was computed. [2019-10-22 09:02:12,887 INFO L443 ceAbstractionStarter]: For program point L31(lines 31 390) no Hoare annotation was computed. [2019-10-22 09:02:12,887 INFO L443 ceAbstractionStarter]: For program point L560(line 560) no Hoare annotation was computed. [2019-10-22 09:02:12,887 INFO L443 ceAbstractionStarter]: For program point L527(line 527) no Hoare annotation was computed. [2019-10-22 09:02:12,888 INFO L443 ceAbstractionStarter]: For program point L494(line 494) no Hoare annotation was computed. [2019-10-22 09:02:12,888 INFO L443 ceAbstractionStarter]: For program point L461(line 461) no Hoare annotation was computed. [2019-10-22 09:02:12,888 INFO L443 ceAbstractionStarter]: For program point L428(line 428) no Hoare annotation was computed. [2019-10-22 09:02:12,888 INFO L443 ceAbstractionStarter]: For program point L395(line 395) no Hoare annotation was computed. [2019-10-22 09:02:12,889 INFO L443 ceAbstractionStarter]: For program point L329(lines 329 390) no Hoare annotation was computed. [2019-10-22 09:02:12,889 INFO L443 ceAbstractionStarter]: For program point L197(lines 197 390) no Hoare annotation was computed. [2019-10-22 09:02:12,889 INFO L443 ceAbstractionStarter]: For program point L65(lines 65 390) no Hoare annotation was computed. [2019-10-22 09:02:12,889 INFO L443 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2019-10-22 09:02:12,889 INFO L443 ceAbstractionStarter]: For program point L363(lines 363 390) no Hoare annotation was computed. [2019-10-22 09:02:12,889 INFO L443 ceAbstractionStarter]: For program point L231(lines 231 390) no Hoare annotation was computed. [2019-10-22 09:02:12,889 INFO L443 ceAbstractionStarter]: For program point L165(lines 165 390) no Hoare annotation was computed. [2019-10-22 09:02:12,889 INFO L443 ceAbstractionStarter]: For program point L562-1(lines 30 575) no Hoare annotation was computed. [2019-10-22 09:02:12,889 INFO L443 ceAbstractionStarter]: For program point L529-1(lines 30 575) no Hoare annotation was computed. [2019-10-22 09:02:12,889 INFO L443 ceAbstractionStarter]: For program point L496-1(lines 30 575) no Hoare annotation was computed. [2019-10-22 09:02:12,889 INFO L443 ceAbstractionStarter]: For program point L463-1(lines 30 575) no Hoare annotation was computed. [2019-10-22 09:02:12,890 INFO L443 ceAbstractionStarter]: For program point L430-1(lines 30 575) no Hoare annotation was computed. [2019-10-22 09:02:12,890 INFO L443 ceAbstractionStarter]: For program point L397-1(lines 30 575) no Hoare annotation was computed. [2019-10-22 09:02:12,890 INFO L443 ceAbstractionStarter]: For program point L265(lines 265 390) no Hoare annotation was computed. [2019-10-22 09:02:12,890 INFO L443 ceAbstractionStarter]: For program point L563(line 563) no Hoare annotation was computed. [2019-10-22 09:02:12,890 INFO L443 ceAbstractionStarter]: For program point L530(line 530) no Hoare annotation was computed. [2019-10-22 09:02:12,890 INFO L443 ceAbstractionStarter]: For program point L497(line 497) no Hoare annotation was computed. [2019-10-22 09:02:12,890 INFO L443 ceAbstractionStarter]: For program point L464(line 464) no Hoare annotation was computed. [2019-10-22 09:02:12,890 INFO L443 ceAbstractionStarter]: For program point L431(line 431) no Hoare annotation was computed. [2019-10-22 09:02:12,890 INFO L443 ceAbstractionStarter]: For program point L398(line 398) no Hoare annotation was computed. [2019-10-22 09:02:12,890 INFO L443 ceAbstractionStarter]: For program point L365(lines 365 390) no Hoare annotation was computed. [2019-10-22 09:02:12,890 INFO L443 ceAbstractionStarter]: For program point L299(lines 299 390) no Hoare annotation was computed. [2019-10-22 09:02:12,890 INFO L443 ceAbstractionStarter]: For program point L35(lines 35 390) no Hoare annotation was computed. [2019-10-22 09:02:12,909 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.10 09:02:12 BoogieIcfgContainer [2019-10-22 09:02:12,909 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-22 09:02:12,910 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-10-22 09:02:12,910 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-10-22 09:02:12,910 INFO L275 PluginConnector]: Witness Printer initialized [2019-10-22 09:02:12,910 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 09:02:02" (3/4) ... [2019-10-22 09:02:12,913 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-10-22 09:02:12,929 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2019-10-22 09:02:12,930 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-10-22 09:02:13,039 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_aaec414e-3a00-46e2-a95f-8bbe9d695f08/bin/uautomizer/witness.graphml [2019-10-22 09:02:13,039 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-10-22 09:02:13,043 INFO L168 Benchmark]: Toolchain (without parser) took 12020.41 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 416.3 MB). Free memory was 939.2 MB in the beginning and 1.3 GB in the end (delta: -341.4 MB). Peak memory consumption was 74.9 MB. Max. memory is 11.5 GB. [2019-10-22 09:02:13,043 INFO L168 Benchmark]: CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 967.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 09:02:13,043 INFO L168 Benchmark]: CACSL2BoogieTranslator took 670.05 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 146.3 MB). Free memory was 939.2 MB in the beginning and 1.1 GB in the end (delta: -179.7 MB). Peak memory consumption was 24.3 MB. Max. memory is 11.5 GB. [2019-10-22 09:02:13,044 INFO L168 Benchmark]: Boogie Procedure Inliner took 77.85 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: 7.4 MB). Peak memory consumption was 7.4 MB. Max. memory is 11.5 GB. [2019-10-22 09:02:13,044 INFO L168 Benchmark]: Boogie Preprocessor took 69.74 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: 7.4 MB). Peak memory consumption was 7.4 MB. Max. memory is 11.5 GB. [2019-10-22 09:02:13,044 INFO L168 Benchmark]: RCFGBuilder took 921.94 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 992.2 MB in the end (delta: 111.9 MB). Peak memory consumption was 111.9 MB. Max. memory is 11.5 GB. [2019-10-22 09:02:13,045 INFO L168 Benchmark]: TraceAbstraction took 10147.50 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 270.0 MB). Free memory was 992.2 MB in the beginning and 1.3 GB in the end (delta: -304.6 MB). Peak memory consumption was 486.1 MB. Max. memory is 11.5 GB. [2019-10-22 09:02:13,045 INFO L168 Benchmark]: Witness Printer took 129.61 ms. Allocated memory is still 1.4 GB. Free memory was 1.3 GB in the beginning and 1.3 GB in the end (delta: 16.3 MB). Peak memory consumption was 16.3 MB. Max. memory is 11.5 GB. [2019-10-22 09:02:13,046 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 967.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 670.05 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 146.3 MB). Free memory was 939.2 MB in the beginning and 1.1 GB in the end (delta: -179.7 MB). Peak memory consumption was 24.3 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 77.85 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: 7.4 MB). Peak memory consumption was 7.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 69.74 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: 7.4 MB). Peak memory consumption was 7.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 921.94 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 992.2 MB in the end (delta: 111.9 MB). Peak memory consumption was 111.9 MB. Max. memory is 11.5 GB. * TraceAbstraction took 10147.50 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 270.0 MB). Free memory was 992.2 MB in the beginning and 1.3 GB in the end (delta: -304.6 MB). Peak memory consumption was 486.1 MB. Max. memory is 11.5 GB. * Witness Printer took 129.61 ms. Allocated memory is still 1.4 GB. Free memory was 1.3 GB in the beginning and 1.3 GB in the end (delta: 16.3 MB). Peak memory consumption was 16.3 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 539]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 30]: Loop Invariant Derived loop invariant: ((((((((((((((((1 == a7 && !(14 == a8)) && a17 <= 0) && a20 == 1) || (((a17 == 1 && !(14 == a8)) && a21 == 1) && a20 == 1)) || (1 == a7 && a16 <= 4)) || ((((a17 == 1 && !(14 == a8)) && a21 == 1) && 14 <= a8) && a20 <= 0)) || ((1 == a7 && 15 == a8) && 5 == a16)) || ((a20 == 1 && 15 == a8) && !(a17 == 1))) || ((((1 == a7 && a17 == 1) && !(14 == a8)) && a20 == 1) && a16 == 5)) || ((14 <= a8 && 5 == a16) && a20 <= 0)) || ((1 == a7 && 5 == a16) && a20 <= 0)) || (((a17 == 1 && a21 == 1) && a20 == 1) && a16 <= 4)) || (1 == a7 && ((a17 == 1 && !(14 == a8)) && a21 == 1) && !(a16 == 6))) || (15 == a8 && a20 <= 0)) || ((a17 <= 0 && a20 == 1) && a16 <= 4)) || (a20 <= 0 && a16 <= 4)) || (((14 <= a8 && !(a16 == 6)) && a17 <= 0) && a20 == 1) - InvariantResult [Line: 577]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 583]: Loop Invariant Derived loop invariant: ((((((((((((((((1 == a7 && !(14 == a8)) && a17 <= 0) && a20 == 1) || (((a17 == 1 && !(14 == a8)) && a21 == 1) && a20 == 1)) || (1 == a7 && a16 <= 4)) || ((((a17 == 1 && !(14 == a8)) && a21 == 1) && 14 <= a8) && a20 <= 0)) || ((1 == a7 && 15 == a8) && 5 == a16)) || ((a20 == 1 && 15 == a8) && !(a17 == 1))) || ((((1 == a7 && a17 == 1) && !(14 == a8)) && a20 == 1) && a16 == 5)) || ((14 <= a8 && 5 == a16) && a20 <= 0)) || ((1 == a7 && 5 == a16) && a20 <= 0)) || (((a17 == 1 && a21 == 1) && a20 == 1) && a16 <= 4)) || (1 == a7 && ((a17 == 1 && !(14 == a8)) && a21 == 1) && !(a16 == 6))) || (15 == a8 && a20 <= 0)) || ((a17 <= 0 && a20 == 1) && a16 <= 4)) || (a20 <= 0 && a16 <= 4)) || (((14 <= a8 && !(a16 == 6)) && a17 <= 0) && a20 == 1) - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 198 locations, 1 error locations. Result: SAFE, OverallTime: 10.0s, OverallIterations: 10, TraceHistogramMax: 6, AutomataDifference: 6.2s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 1.0s, HoareTripleCheckerStatistics: 823 SDtfs, 2137 SDslu, 102 SDs, 0 SdLazy, 4955 SolverSat, 923 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 4.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 540 GetRequests, 510 SyntacticMatches, 3 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 22 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2755occurred in iteration=7, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.3s AutomataMinimizationTime, 10 MinimizatonAttempts, 2104 StatesRemovedByMinimization, 7 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 54 NumberOfFragments, 371 HoareAnnotationTreeSize, 3 FomulaSimplifications, 1679 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 3 FomulaSimplificationsInter, 1410 FormulaSimplificationTreeSizeReductionInter, 0.9s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 2267 NumberOfCodeBlocks, 2267 NumberOfCodeBlocksAsserted, 12 NumberOfCheckSat, 2255 ConstructedInterpolants, 0 QuantifiedInterpolants, 907136 SizeOfPredicates, 2 NumberOfNonLiveVariables, 887 ConjunctsInSsa, 4 ConjunctsInUnsatCore, 12 InterpolantComputations, 10 PerfectInterpolantSequences, 1627/1681 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...