./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem14_label06.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version cad46833 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_310c6f10-6ad7-4b9b-9c4d-c4910c6ad352/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_310c6f10-6ad7-4b9b-9c4d-c4910c6ad352/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_310c6f10-6ad7-4b9b-9c4d-c4910c6ad352/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_310c6f10-6ad7-4b9b-9c4d-c4910c6ad352/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem14_label06.c -s /tmp/vcloud-vcloud-master/worker/run_dir_310c6f10-6ad7-4b9b-9c4d-c4910c6ad352/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_310c6f10-6ad7-4b9b-9c4d-c4910c6ad352/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 0d6d504be06c544abd3f98aa8e24c2240a31073b ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-cad4683 [2019-11-16 00:20:59,588 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-16 00:20:59,590 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-16 00:20:59,606 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-16 00:20:59,606 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-16 00:20:59,608 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-16 00:20:59,610 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-16 00:20:59,620 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-16 00:20:59,624 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-16 00:20:59,628 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-16 00:20:59,630 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-16 00:20:59,632 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-16 00:20:59,632 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-16 00:20:59,635 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-16 00:20:59,636 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-16 00:20:59,637 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-16 00:20:59,638 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-16 00:20:59,638 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-16 00:20:59,641 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-16 00:20:59,646 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-16 00:20:59,650 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-16 00:20:59,652 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-16 00:20:59,656 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-16 00:20:59,658 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-16 00:20:59,662 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-16 00:20:59,663 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-16 00:20:59,663 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-16 00:20:59,665 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-16 00:20:59,665 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-16 00:20:59,666 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-16 00:20:59,666 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-16 00:20:59,667 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-16 00:20:59,667 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-16 00:20:59,668 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-16 00:20:59,670 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-16 00:20:59,670 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-16 00:20:59,671 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-16 00:20:59,671 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-16 00:20:59,671 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-16 00:20:59,672 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-16 00:20:59,673 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-16 00:20:59,674 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_310c6f10-6ad7-4b9b-9c4d-c4910c6ad352/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-11-16 00:20:59,704 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-16 00:20:59,714 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-16 00:20:59,716 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-16 00:20:59,716 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-16 00:20:59,716 INFO L138 SettingsManager]: * Use SBE=true [2019-11-16 00:20:59,717 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-16 00:20:59,717 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-16 00:20:59,717 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-16 00:20:59,717 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-16 00:20:59,717 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-16 00:20:59,718 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-16 00:20:59,718 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-16 00:20:59,718 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-16 00:20:59,718 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-16 00:20:59,719 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-16 00:20:59,719 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-16 00:20:59,719 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-16 00:20:59,719 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-16 00:20:59,720 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-11-16 00:20:59,720 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-16 00:20:59,722 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-11-16 00:20:59,722 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-16 00:20:59,722 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-16 00:20:59,723 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-16 00:20:59,723 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-16 00:20:59,723 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-11-16 00:20:59,723 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-16 00:20:59,724 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-16 00:20:59,725 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/run_dir_310c6f10-6ad7-4b9b-9c4d-c4910c6ad352/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 -> 0d6d504be06c544abd3f98aa8e24c2240a31073b [2019-11-16 00:20:59,757 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-16 00:20:59,767 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-16 00:20:59,771 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-16 00:20:59,772 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-16 00:20:59,773 INFO L275 PluginConnector]: CDTParser initialized [2019-11-16 00:20:59,773 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_310c6f10-6ad7-4b9b-9c4d-c4910c6ad352/bin/uautomizer/../../sv-benchmarks/c/eca-rers2012/Problem14_label06.c [2019-11-16 00:20:59,824 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_310c6f10-6ad7-4b9b-9c4d-c4910c6ad352/bin/uautomizer/data/b2108d441/665c12504c4040d08de42d7c558bd9b0/FLAG70d4e12ec [2019-11-16 00:21:00,433 INFO L306 CDTParser]: Found 1 translation units. [2019-11-16 00:21:00,434 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_310c6f10-6ad7-4b9b-9c4d-c4910c6ad352/sv-benchmarks/c/eca-rers2012/Problem14_label06.c [2019-11-16 00:21:00,448 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_310c6f10-6ad7-4b9b-9c4d-c4910c6ad352/bin/uautomizer/data/b2108d441/665c12504c4040d08de42d7c558bd9b0/FLAG70d4e12ec [2019-11-16 00:21:00,795 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_310c6f10-6ad7-4b9b-9c4d-c4910c6ad352/bin/uautomizer/data/b2108d441/665c12504c4040d08de42d7c558bd9b0 [2019-11-16 00:21:00,797 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-16 00:21:00,799 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-16 00:21:00,800 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-16 00:21:00,800 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-16 00:21:00,808 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-16 00:21:00,808 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 12:21:00" (1/1) ... [2019-11-16 00:21:00,811 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2c9b2fa4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:21:00, skipping insertion in model container [2019-11-16 00:21:00,811 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 16.11 12:21:00" (1/1) ... [2019-11-16 00:21:00,817 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-16 00:21:00,877 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-16 00:21:01,329 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-16 00:21:01,333 INFO L188 MainTranslator]: Completed pre-run [2019-11-16 00:21:01,443 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-16 00:21:01,458 INFO L192 MainTranslator]: Completed translation [2019-11-16 00:21:01,458 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:21:01 WrapperNode [2019-11-16 00:21:01,458 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-16 00:21:01,459 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-16 00:21:01,459 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-16 00:21:01,460 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-16 00:21:01,471 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:21:01" (1/1) ... [2019-11-16 00:21:01,492 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:21:01" (1/1) ... [2019-11-16 00:21:01,566 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-16 00:21:01,566 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-16 00:21:01,566 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-16 00:21:01,567 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-16 00:21:01,576 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:21:01" (1/1) ... [2019-11-16 00:21:01,576 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:21:01" (1/1) ... [2019-11-16 00:21:01,581 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:21:01" (1/1) ... [2019-11-16 00:21:01,581 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:21:01" (1/1) ... [2019-11-16 00:21:01,623 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:21:01" (1/1) ... [2019-11-16 00:21:01,634 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:21:01" (1/1) ... [2019-11-16 00:21:01,643 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:21:01" (1/1) ... [2019-11-16 00:21:01,663 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-16 00:21:01,664 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-16 00:21:01,664 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-16 00:21:01,664 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-16 00:21:01,665 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:21:01" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_310c6f10-6ad7-4b9b-9c4d-c4910c6ad352/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-11-16 00:21:01,727 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-16 00:21:01,728 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-16 00:21:03,232 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-16 00:21:03,234 INFO L284 CfgBuilder]: Removed 7 assume(true) statements. [2019-11-16 00:21:03,236 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 12:21:03 BoogieIcfgContainer [2019-11-16 00:21:03,236 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-16 00:21:03,238 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-11-16 00:21:03,238 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-11-16 00:21:03,241 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-11-16 00:21:03,241 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 16.11 12:21:00" (1/3) ... [2019-11-16 00:21:03,244 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@9f3bc11 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 12:21:03, skipping insertion in model container [2019-11-16 00:21:03,244 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 16.11 12:21:01" (2/3) ... [2019-11-16 00:21:03,245 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@9f3bc11 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 16.11 12:21:03, skipping insertion in model container [2019-11-16 00:21:03,245 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 12:21:03" (3/3) ... [2019-11-16 00:21:03,248 INFO L109 eAbstractionObserver]: Analyzing ICFG Problem14_label06.c [2019-11-16 00:21:03,257 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-11-16 00:21:03,265 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-11-16 00:21:03,273 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-11-16 00:21:03,298 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-11-16 00:21:03,298 INFO L374 AbstractCegarLoop]: Hoare is true [2019-11-16 00:21:03,299 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-11-16 00:21:03,299 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-11-16 00:21:03,299 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-11-16 00:21:03,299 INFO L378 AbstractCegarLoop]: Difference is false [2019-11-16 00:21:03,299 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-11-16 00:21:03,300 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-11-16 00:21:03,328 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states. [2019-11-16 00:21:03,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 62 [2019-11-16 00:21:03,336 INFO L372 BasicCegarLoop]: Found error trace [2019-11-16 00:21:03,337 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] [2019-11-16 00:21:03,339 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-16 00:21:03,344 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-16 00:21:03,345 INFO L82 PathProgramCache]: Analyzing trace with hash 1818267785, now seen corresponding path program 1 times [2019-11-16 00:21:03,351 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-16 00:21:03,351 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [696233037] [2019-11-16 00:21:03,351 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:21:03,352 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:21:03,352 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-16 00:21:03,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:21:03,597 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-16 00:21:03,597 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [696233037] [2019-11-16 00:21:03,598 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-16 00:21:03,598 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-16 00:21:03,599 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [238959104] [2019-11-16 00:21:03,603 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-16 00:21:03,604 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-16 00:21:03,617 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-16 00:21:03,618 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-16 00:21:03,621 INFO L87 Difference]: Start difference. First operand 245 states. Second operand 4 states. [2019-11-16 00:21:05,632 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-16 00:21:05,633 INFO L93 Difference]: Finished difference Result 850 states and 1558 transitions. [2019-11-16 00:21:05,633 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-16 00:21:05,635 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 61 [2019-11-16 00:21:05,635 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-16 00:21:05,662 INFO L225 Difference]: With dead ends: 850 [2019-11-16 00:21:05,662 INFO L226 Difference]: Without dead ends: 538 [2019-11-16 00:21:05,670 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-16 00:21:05,691 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 538 states. [2019-11-16 00:21:05,745 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 538 to 538. [2019-11-16 00:21:05,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 538 states. [2019-11-16 00:21:05,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 538 states to 538 states and 826 transitions. [2019-11-16 00:21:05,750 INFO L78 Accepts]: Start accepts. Automaton has 538 states and 826 transitions. Word has length 61 [2019-11-16 00:21:05,751 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-16 00:21:05,751 INFO L462 AbstractCegarLoop]: Abstraction has 538 states and 826 transitions. [2019-11-16 00:21:05,751 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-16 00:21:05,752 INFO L276 IsEmpty]: Start isEmpty. Operand 538 states and 826 transitions. [2019-11-16 00:21:05,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2019-11-16 00:21:05,757 INFO L372 BasicCegarLoop]: Found error trace [2019-11-16 00:21:05,758 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-16 00:21:05,758 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-16 00:21:05,758 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-16 00:21:05,759 INFO L82 PathProgramCache]: Analyzing trace with hash 383487860, now seen corresponding path program 1 times [2019-11-16 00:21:05,759 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-16 00:21:05,759 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [802353516] [2019-11-16 00:21:05,759 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:21:05,759 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:21:05,760 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-16 00:21:05,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:21:05,978 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 58 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-16 00:21:05,978 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [802353516] [2019-11-16 00:21:05,978 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-16 00:21:05,979 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-16 00:21:05,979 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1909368863] [2019-11-16 00:21:05,981 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-16 00:21:05,982 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-16 00:21:05,982 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-16 00:21:05,982 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-16 00:21:05,983 INFO L87 Difference]: Start difference. First operand 538 states and 826 transitions. Second operand 4 states. [2019-11-16 00:21:07,288 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-16 00:21:07,289 INFO L93 Difference]: Finished difference Result 2142 states and 3296 transitions. [2019-11-16 00:21:07,289 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-16 00:21:07,290 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 126 [2019-11-16 00:21:07,290 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-16 00:21:07,299 INFO L225 Difference]: With dead ends: 2142 [2019-11-16 00:21:07,299 INFO L226 Difference]: Without dead ends: 1606 [2019-11-16 00:21:07,302 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 1 SyntacticMatches, 1 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-16 00:21:07,304 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1606 states. [2019-11-16 00:21:07,352 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1606 to 1428. [2019-11-16 00:21:07,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1428 states. [2019-11-16 00:21:07,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1428 states to 1428 states and 2029 transitions. [2019-11-16 00:21:07,359 INFO L78 Accepts]: Start accepts. Automaton has 1428 states and 2029 transitions. Word has length 126 [2019-11-16 00:21:07,359 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-16 00:21:07,360 INFO L462 AbstractCegarLoop]: Abstraction has 1428 states and 2029 transitions. [2019-11-16 00:21:07,360 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-16 00:21:07,360 INFO L276 IsEmpty]: Start isEmpty. Operand 1428 states and 2029 transitions. [2019-11-16 00:21:07,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2019-11-16 00:21:07,367 INFO L372 BasicCegarLoop]: Found error trace [2019-11-16 00:21:07,368 INFO L380 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-16 00:21:07,368 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-16 00:21:07,368 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-16 00:21:07,369 INFO L82 PathProgramCache]: Analyzing trace with hash -1494611426, now seen corresponding path program 1 times [2019-11-16 00:21:07,369 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-16 00:21:07,369 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [210310886] [2019-11-16 00:21:07,369 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:21:07,370 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:21:07,370 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-16 00:21:07,389 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:21:07,478 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 58 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-16 00:21:07,478 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [210310886] [2019-11-16 00:21:07,478 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-11-16 00:21:07,478 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2019-11-16 00:21:07,479 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1004757569] [2019-11-16 00:21:07,479 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-11-16 00:21:07,479 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-16 00:21:07,480 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-11-16 00:21:07,480 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-16 00:21:07,480 INFO L87 Difference]: Start difference. First operand 1428 states and 2029 transitions. Second operand 4 states. [2019-11-16 00:21:08,670 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-16 00:21:08,670 INFO L93 Difference]: Finished difference Result 4634 states and 6631 transitions. [2019-11-16 00:21:08,678 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 4 states. [2019-11-16 00:21:08,678 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 129 [2019-11-16 00:21:08,679 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-16 00:21:08,696 INFO L225 Difference]: With dead ends: 4634 [2019-11-16 00:21:08,696 INFO L226 Difference]: Without dead ends: 3208 [2019-11-16 00:21:08,698 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 1 SyntacticMatches, 0 SemanticMatches, 2 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=6, Invalid=6, Unknown=0, NotChecked=0, Total=12 [2019-11-16 00:21:08,702 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3208 states. [2019-11-16 00:21:08,757 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3208 to 2852. [2019-11-16 00:21:08,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2852 states. [2019-11-16 00:21:08,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2852 states to 2852 states and 3754 transitions. [2019-11-16 00:21:08,768 INFO L78 Accepts]: Start accepts. Automaton has 2852 states and 3754 transitions. Word has length 129 [2019-11-16 00:21:08,769 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-16 00:21:08,769 INFO L462 AbstractCegarLoop]: Abstraction has 2852 states and 3754 transitions. [2019-11-16 00:21:08,769 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-11-16 00:21:08,769 INFO L276 IsEmpty]: Start isEmpty. Operand 2852 states and 3754 transitions. [2019-11-16 00:21:08,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 287 [2019-11-16 00:21:08,775 INFO L372 BasicCegarLoop]: Found error trace [2019-11-16 00:21:08,776 INFO L380 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-16 00:21:08,776 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-16 00:21:08,776 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-16 00:21:08,776 INFO L82 PathProgramCache]: Analyzing trace with hash 1396351156, now seen corresponding path program 1 times [2019-11-16 00:21:08,777 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-16 00:21:08,777 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1896930389] [2019-11-16 00:21:08,777 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:21:08,777 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:21:08,778 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-16 00:21:08,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:21:09,086 INFO L134 CoverageAnalysis]: Checked inductivity of 385 backedges. 255 proven. 4 refuted. 0 times theorem prover too weak. 126 trivial. 0 not checked. [2019-11-16 00:21:09,086 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1896930389] [2019-11-16 00:21:09,087 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [417917580] [2019-11-16 00:21:09,087 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_310c6f10-6ad7-4b9b-9c4d-c4910c6ad352/bin/uautomizer/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-16 00:21:09,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:21:09,189 INFO L256 TraceCheckSpWp]: Trace formula consists of 391 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-16 00:21:09,201 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-16 00:21:09,358 INFO L134 CoverageAnalysis]: Checked inductivity of 385 backedges. 176 proven. 0 refuted. 0 times theorem prover too weak. 209 trivial. 0 not checked. [2019-11-16 00:21:09,358 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-11-16 00:21:09,358 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2019-11-16 00:21:09,359 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [734526539] [2019-11-16 00:21:09,361 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-16 00:21:09,362 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-16 00:21:09,362 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-16 00:21:09,362 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2019-11-16 00:21:09,362 INFO L87 Difference]: Start difference. First operand 2852 states and 3754 transitions. Second operand 3 states. [2019-11-16 00:21:10,014 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-16 00:21:10,014 INFO L93 Difference]: Finished difference Result 6414 states and 8465 transitions. [2019-11-16 00:21:10,014 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-16 00:21:10,014 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 286 [2019-11-16 00:21:10,015 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-16 00:21:10,033 INFO L225 Difference]: With dead ends: 6414 [2019-11-16 00:21:10,034 INFO L226 Difference]: Without dead ends: 3742 [2019-11-16 00:21:10,037 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 290 GetRequests, 285 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=14, Invalid=16, Unknown=0, NotChecked=0, Total=30 [2019-11-16 00:21:10,042 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3742 states. [2019-11-16 00:21:10,097 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3742 to 2852. [2019-11-16 00:21:10,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 2852 states. [2019-11-16 00:21:10,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2852 states to 2852 states and 3754 transitions. [2019-11-16 00:21:10,106 INFO L78 Accepts]: Start accepts. Automaton has 2852 states and 3754 transitions. Word has length 286 [2019-11-16 00:21:10,107 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-16 00:21:10,108 INFO L462 AbstractCegarLoop]: Abstraction has 2852 states and 3754 transitions. [2019-11-16 00:21:10,108 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-16 00:21:10,108 INFO L276 IsEmpty]: Start isEmpty. Operand 2852 states and 3754 transitions. [2019-11-16 00:21:10,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 319 [2019-11-16 00:21:10,114 INFO L372 BasicCegarLoop]: Found error trace [2019-11-16 00:21:10,114 INFO L380 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-16 00:21:10,318 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 2 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-16 00:21:10,318 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-16 00:21:10,318 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-16 00:21:10,318 INFO L82 PathProgramCache]: Analyzing trace with hash 291355922, now seen corresponding path program 1 times [2019-11-16 00:21:10,319 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-16 00:21:10,319 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [253617629] [2019-11-16 00:21:10,319 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:21:10,319 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:21:10,319 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-16 00:21:10,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:21:10,601 INFO L134 CoverageAnalysis]: Checked inductivity of 392 backedges. 259 proven. 4 refuted. 0 times theorem prover too weak. 129 trivial. 0 not checked. [2019-11-16 00:21:10,602 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [253617629] [2019-11-16 00:21:10,602 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1770815876] [2019-11-16 00:21:10,602 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_310c6f10-6ad7-4b9b-9c4d-c4910c6ad352/bin/uautomizer/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-16 00:21:10,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:21:10,734 INFO L256 TraceCheckSpWp]: Trace formula consists of 422 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-16 00:21:10,738 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-16 00:21:10,815 INFO L134 CoverageAnalysis]: Checked inductivity of 392 backedges. 176 proven. 0 refuted. 0 times theorem prover too weak. 216 trivial. 0 not checked. [2019-11-16 00:21:10,816 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-11-16 00:21:10,816 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2019-11-16 00:21:10,816 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [130919530] [2019-11-16 00:21:10,817 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-16 00:21:10,817 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-16 00:21:10,817 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-16 00:21:10,817 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2019-11-16 00:21:10,817 INFO L87 Difference]: Start difference. First operand 2852 states and 3754 transitions. Second operand 3 states. [2019-11-16 00:21:11,407 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-16 00:21:11,407 INFO L93 Difference]: Finished difference Result 6414 states and 8549 transitions. [2019-11-16 00:21:11,407 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-16 00:21:11,408 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 318 [2019-11-16 00:21:11,408 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-16 00:21:11,426 INFO L225 Difference]: With dead ends: 6414 [2019-11-16 00:21:11,426 INFO L226 Difference]: Without dead ends: 3742 [2019-11-16 00:21:11,430 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 322 GetRequests, 317 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2019-11-16 00:21:11,435 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 3742 states. [2019-11-16 00:21:11,494 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 3742 to 3564. [2019-11-16 00:21:11,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3564 states. [2019-11-16 00:21:11,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3564 states to 3564 states and 4586 transitions. [2019-11-16 00:21:11,501 INFO L78 Accepts]: Start accepts. Automaton has 3564 states and 4586 transitions. Word has length 318 [2019-11-16 00:21:11,502 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-16 00:21:11,502 INFO L462 AbstractCegarLoop]: Abstraction has 3564 states and 4586 transitions. [2019-11-16 00:21:11,502 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-16 00:21:11,502 INFO L276 IsEmpty]: Start isEmpty. Operand 3564 states and 4586 transitions. [2019-11-16 00:21:11,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 345 [2019-11-16 00:21:11,511 INFO L372 BasicCegarLoop]: Found error trace [2019-11-16 00:21:11,511 INFO L380 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-16 00:21:11,722 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 3 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-16 00:21:11,723 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-16 00:21:11,723 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-16 00:21:11,723 INFO L82 PathProgramCache]: Analyzing trace with hash -1441441549, now seen corresponding path program 1 times [2019-11-16 00:21:11,723 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-16 00:21:11,723 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1217903671] [2019-11-16 00:21:11,724 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:21:11,724 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:21:11,724 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-16 00:21:11,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:21:12,062 INFO L134 CoverageAnalysis]: Checked inductivity of 429 backedges. 270 proven. 4 refuted. 0 times theorem prover too weak. 155 trivial. 0 not checked. [2019-11-16 00:21:12,063 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1217903671] [2019-11-16 00:21:12,063 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1983938486] [2019-11-16 00:21:12,063 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_310c6f10-6ad7-4b9b-9c4d-c4910c6ad352/bin/uautomizer/z3 Starting monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 4 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-16 00:21:12,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:21:12,144 INFO L256 TraceCheckSpWp]: Trace formula consists of 450 conjuncts, 2 conjunts are in the unsatisfiable core [2019-11-16 00:21:12,148 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-16 00:21:12,229 INFO L134 CoverageAnalysis]: Checked inductivity of 429 backedges. 176 proven. 0 refuted. 0 times theorem prover too weak. 253 trivial. 0 not checked. [2019-11-16 00:21:12,229 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2019-11-16 00:21:12,229 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [3] imperfect sequences [4] total 6 [2019-11-16 00:21:12,229 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [877150757] [2019-11-16 00:21:12,230 INFO L442 AbstractCegarLoop]: Interpolant automaton has 3 states [2019-11-16 00:21:12,230 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-16 00:21:12,230 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2019-11-16 00:21:12,231 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2019-11-16 00:21:12,231 INFO L87 Difference]: Start difference. First operand 3564 states and 4586 transitions. Second operand 3 states. [2019-11-16 00:21:12,945 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-16 00:21:12,946 INFO L93 Difference]: Finished difference Result 7482 states and 9712 transitions. [2019-11-16 00:21:12,948 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2019-11-16 00:21:12,948 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 344 [2019-11-16 00:21:12,949 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-16 00:21:12,971 INFO L225 Difference]: With dead ends: 7482 [2019-11-16 00:21:12,972 INFO L226 Difference]: Without dead ends: 4098 [2019-11-16 00:21:12,976 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 348 GetRequests, 343 SyntacticMatches, 1 SemanticMatches, 4 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=11, Invalid=19, Unknown=0, NotChecked=0, Total=30 [2019-11-16 00:21:12,982 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 4098 states. [2019-11-16 00:21:13,049 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 4098 to 3742. [2019-11-16 00:21:13,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 3742 states. [2019-11-16 00:21:13,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3742 states to 3742 states and 4570 transitions. [2019-11-16 00:21:13,056 INFO L78 Accepts]: Start accepts. Automaton has 3742 states and 4570 transitions. Word has length 344 [2019-11-16 00:21:13,057 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-16 00:21:13,057 INFO L462 AbstractCegarLoop]: Abstraction has 3742 states and 4570 transitions. [2019-11-16 00:21:13,057 INFO L463 AbstractCegarLoop]: Interpolant automaton has 3 states. [2019-11-16 00:21:13,058 INFO L276 IsEmpty]: Start isEmpty. Operand 3742 states and 4570 transitions. [2019-11-16 00:21:13,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 375 [2019-11-16 00:21:13,076 INFO L372 BasicCegarLoop]: Found error trace [2019-11-16 00:21:13,077 INFO L380 BasicCegarLoop]: trace histogram [4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 4, 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, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-11-16 00:21:13,282 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 4 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-16 00:21:13,282 INFO L410 AbstractCegarLoop]: === Iteration 7 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-11-16 00:21:13,282 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-16 00:21:13,283 INFO L82 PathProgramCache]: Analyzing trace with hash 398266654, now seen corresponding path program 1 times [2019-11-16 00:21:13,283 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-11-16 00:21:13,283 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [347193627] [2019-11-16 00:21:13,283 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:21:13,283 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-11-16 00:21:13,283 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-11-16 00:21:13,315 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:21:13,763 INFO L134 CoverageAnalysis]: Checked inductivity of 442 backedges. 270 proven. 4 refuted. 0 times theorem prover too weak. 168 trivial. 0 not checked. [2019-11-16 00:21:13,764 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [347193627] [2019-11-16 00:21:13,764 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleZ3 [1674275192] [2019-11-16 00:21:13,764 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_310c6f10-6ad7-4b9b-9c4d-c4910c6ad352/bin/uautomizer/z3 Starting monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 5 with z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-16 00:21:13,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-16 00:21:13,875 INFO L256 TraceCheckSpWp]: Trace formula consists of 481 conjuncts, 9 conjunts are in the unsatisfiable core [2019-11-16 00:21:13,881 INFO L279 TraceCheckSpWp]: Computing forward predicates... [2019-11-16 00:21:14,072 INFO L134 CoverageAnalysis]: Checked inductivity of 442 backedges. 314 proven. 49 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2019-11-16 00:21:14,074 INFO L223 tionRefinementEngine]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2019-11-16 00:21:14,074 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [] imperfect sequences [4, 5] total 8 [2019-11-16 00:21:14,075 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1469099661] [2019-11-16 00:21:14,076 INFO L442 AbstractCegarLoop]: Interpolant automaton has 8 states [2019-11-16 00:21:14,076 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-11-16 00:21:14,076 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 8 interpolants. [2019-11-16 00:21:14,078 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=22, Invalid=34, Unknown=0, NotChecked=0, Total=56 [2019-11-16 00:21:14,079 INFO L87 Difference]: Start difference. First operand 3742 states and 4570 transitions. Second operand 8 states. [2019-11-16 00:21:16,588 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-11-16 00:21:16,589 INFO L93 Difference]: Finished difference Result 8260 states and 10055 transitions. [2019-11-16 00:21:16,589 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 11 states. [2019-11-16 00:21:16,589 INFO L78 Accepts]: Start accepts. Automaton has 8 states. Word has length 374 [2019-11-16 00:21:16,589 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-11-16 00:21:16,589 INFO L225 Difference]: With dead ends: 8260 [2019-11-16 00:21:16,589 INFO L226 Difference]: Without dead ends: 0 [2019-11-16 00:21:16,594 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 384 GetRequests, 374 SyntacticMatches, 1 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=43, Invalid=67, Unknown=0, NotChecked=0, Total=110 [2019-11-16 00:21:16,594 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-11-16 00:21:16,594 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-11-16 00:21:16,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-11-16 00:21:16,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-11-16 00:21:16,594 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 374 [2019-11-16 00:21:16,595 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-11-16 00:21:16,595 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-11-16 00:21:16,595 INFO L463 AbstractCegarLoop]: Interpolant automaton has 8 states. [2019-11-16 00:21:16,595 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-11-16 00:21:16,595 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-16 00:21:16,798 WARN L499 AbstractCegarLoop]: Destroyed unattended storables created during the last iteration: 5 z3 -smt2 -in SMTLIB2_COMPLIANT=true [2019-11-16 00:21:16,801 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2019-11-16 00:21:17,014 WARN L191 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 38 [2019-11-16 00:21:17,120 WARN L191 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 38 [2019-11-16 00:21:17,122 INFO L443 ceAbstractionStarter]: For program point L432(lines 432 870) no Hoare annotation was computed. [2019-11-16 00:21:17,122 INFO L443 ceAbstractionStarter]: For program point L366(lines 366 870) no Hoare annotation was computed. [2019-11-16 00:21:17,122 INFO L443 ceAbstractionStarter]: For program point L168-1(lines 20 872) no Hoare annotation was computed. [2019-11-16 00:21:17,122 INFO L443 ceAbstractionStarter]: For program point L102-1(lines 20 872) no Hoare annotation was computed. [2019-11-16 00:21:17,122 INFO L443 ceAbstractionStarter]: For program point L36-1(lines 20 872) no Hoare annotation was computed. [2019-11-16 00:21:17,122 INFO L443 ceAbstractionStarter]: For program point L235(lines 235 870) no Hoare annotation was computed. [2019-11-16 00:21:17,122 INFO L443 ceAbstractionStarter]: For program point L169(line 169) no Hoare annotation was computed. [2019-11-16 00:21:17,122 INFO L443 ceAbstractionStarter]: For program point L103(line 103) no Hoare annotation was computed. [2019-11-16 00:21:17,122 INFO L443 ceAbstractionStarter]: For program point L37(line 37) no Hoare annotation was computed. [2019-11-16 00:21:17,122 INFO L443 ceAbstractionStarter]: For program point L764(lines 764 870) no Hoare annotation was computed. [2019-11-16 00:21:17,123 INFO L443 ceAbstractionStarter]: For program point L632(lines 632 870) no Hoare annotation was computed. [2019-11-16 00:21:17,123 INFO L443 ceAbstractionStarter]: For program point L500(lines 500 870) no Hoare annotation was computed. [2019-11-16 00:21:17,123 INFO L443 ceAbstractionStarter]: For program point L831(lines 831 870) no Hoare annotation was computed. [2019-11-16 00:21:17,123 INFO L443 ceAbstractionStarter]: For program point L171-1(lines 20 872) no Hoare annotation was computed. [2019-11-16 00:21:17,123 INFO L443 ceAbstractionStarter]: For program point L105-1(lines 20 872) no Hoare annotation was computed. [2019-11-16 00:21:17,123 INFO L443 ceAbstractionStarter]: For program point L39-1(lines 20 872) no Hoare annotation was computed. [2019-11-16 00:21:17,123 INFO L443 ceAbstractionStarter]: For program point L700(lines 700 870) no Hoare annotation was computed. [2019-11-16 00:21:17,123 INFO L443 ceAbstractionStarter]: For program point L568(lines 568 870) no Hoare annotation was computed. [2019-11-16 00:21:17,123 INFO L443 ceAbstractionStarter]: For program point L172(line 172) no Hoare annotation was computed. [2019-11-16 00:21:17,123 INFO L443 ceAbstractionStarter]: For program point L106(line 106) no Hoare annotation was computed. [2019-11-16 00:21:17,123 INFO L443 ceAbstractionStarter]: For program point L40(line 40) no Hoare annotation was computed. [2019-11-16 00:21:17,123 INFO L443 ceAbstractionStarter]: For program point L305(lines 305 870) no Hoare annotation was computed. [2019-11-16 00:21:17,123 INFO L443 ceAbstractionStarter]: For program point L438(lines 438 870) no Hoare annotation was computed. [2019-11-16 00:21:17,123 INFO L443 ceAbstractionStarter]: For program point L372(lines 372 870) no Hoare annotation was computed. [2019-11-16 00:21:17,124 INFO L443 ceAbstractionStarter]: For program point L174-1(lines 20 872) no Hoare annotation was computed. [2019-11-16 00:21:17,124 INFO L443 ceAbstractionStarter]: For program point L108-1(lines 20 872) no Hoare annotation was computed. [2019-11-16 00:21:17,124 INFO L443 ceAbstractionStarter]: For program point L42-1(lines 20 872) no Hoare annotation was computed. [2019-11-16 00:21:17,124 INFO L443 ceAbstractionStarter]: For program point L241(lines 241 870) no Hoare annotation was computed. [2019-11-16 00:21:17,124 INFO L443 ceAbstractionStarter]: For program point L175(line 175) no Hoare annotation was computed. [2019-11-16 00:21:17,124 INFO L443 ceAbstractionStarter]: For program point L109(line 109) no Hoare annotation was computed. [2019-11-16 00:21:17,124 INFO L443 ceAbstractionStarter]: For program point L43(line 43) no Hoare annotation was computed. [2019-11-16 00:21:17,124 INFO L443 ceAbstractionStarter]: For program point L638(lines 638 870) no Hoare annotation was computed. [2019-11-16 00:21:17,124 INFO L443 ceAbstractionStarter]: For program point L506(lines 506 870) no Hoare annotation was computed. [2019-11-16 00:21:17,124 INFO L443 ceAbstractionStarter]: For program point L837(lines 837 870) no Hoare annotation was computed. [2019-11-16 00:21:17,124 INFO L443 ceAbstractionStarter]: For program point L771(lines 771 870) no Hoare annotation was computed. [2019-11-16 00:21:17,124 INFO L443 ceAbstractionStarter]: For program point L573(lines 573 870) no Hoare annotation was computed. [2019-11-16 00:21:17,124 INFO L443 ceAbstractionStarter]: For program point L177-1(lines 20 872) no Hoare annotation was computed. [2019-11-16 00:21:17,124 INFO L443 ceAbstractionStarter]: For program point L111-1(lines 20 872) no Hoare annotation was computed. [2019-11-16 00:21:17,125 INFO L443 ceAbstractionStarter]: For program point L45-1(lines 20 872) no Hoare annotation was computed. [2019-11-16 00:21:17,125 INFO L443 ceAbstractionStarter]: For program point L706(lines 706 870) no Hoare annotation was computed. [2019-11-16 00:21:17,125 INFO L443 ceAbstractionStarter]: For program point L178(line 178) no Hoare annotation was computed. [2019-11-16 00:21:17,125 INFO L443 ceAbstractionStarter]: For program point L112(line 112) no Hoare annotation was computed. [2019-11-16 00:21:17,125 INFO L443 ceAbstractionStarter]: For program point L46(line 46) no Hoare annotation was computed. [2019-11-16 00:21:17,125 INFO L443 ceAbstractionStarter]: For program point L311(lines 311 870) no Hoare annotation was computed. [2019-11-16 00:21:17,125 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION(line 187) no Hoare annotation was computed. [2019-11-16 00:21:17,125 INFO L443 ceAbstractionStarter]: For program point L444(lines 444 870) no Hoare annotation was computed. [2019-11-16 00:21:17,125 INFO L443 ceAbstractionStarter]: For program point L378(lines 378 870) no Hoare annotation was computed. [2019-11-16 00:21:17,125 INFO L443 ceAbstractionStarter]: For program point L180-1(lines 20 872) no Hoare annotation was computed. [2019-11-16 00:21:17,125 INFO L443 ceAbstractionStarter]: For program point L114-1(lines 20 872) no Hoare annotation was computed. [2019-11-16 00:21:17,125 INFO L443 ceAbstractionStarter]: For program point L48-1(lines 20 872) no Hoare annotation was computed. [2019-11-16 00:21:17,125 INFO L443 ceAbstractionStarter]: For program point L247(lines 247 870) no Hoare annotation was computed. [2019-11-16 00:21:17,125 INFO L443 ceAbstractionStarter]: For program point L181(line 181) no Hoare annotation was computed. [2019-11-16 00:21:17,126 INFO L443 ceAbstractionStarter]: For program point L115(line 115) no Hoare annotation was computed. [2019-11-16 00:21:17,126 INFO L443 ceAbstractionStarter]: For program point L49(line 49) no Hoare annotation was computed. [2019-11-16 00:21:17,126 INFO L443 ceAbstractionStarter]: For program point L842(lines 842 870) no Hoare annotation was computed. [2019-11-16 00:21:17,126 INFO L443 ceAbstractionStarter]: For program point L644(lines 644 870) no Hoare annotation was computed. [2019-11-16 00:21:17,126 INFO L443 ceAbstractionStarter]: For program point L512(lines 512 870) no Hoare annotation was computed. [2019-11-16 00:21:17,126 INFO L443 ceAbstractionStarter]: For program point L777(lines 777 870) no Hoare annotation was computed. [2019-11-16 00:21:17,126 INFO L443 ceAbstractionStarter]: For program point L579(lines 579 870) no Hoare annotation was computed. [2019-11-16 00:21:17,126 INFO L443 ceAbstractionStarter]: For program point L183-1(lines 20 872) no Hoare annotation was computed. [2019-11-16 00:21:17,126 INFO L443 ceAbstractionStarter]: For program point L117-1(lines 20 872) no Hoare annotation was computed. [2019-11-16 00:21:17,126 INFO L443 ceAbstractionStarter]: For program point L51-1(lines 20 872) no Hoare annotation was computed. [2019-11-16 00:21:17,126 INFO L443 ceAbstractionStarter]: For program point L712(lines 712 870) no Hoare annotation was computed. [2019-11-16 00:21:17,126 INFO L443 ceAbstractionStarter]: For program point L184(line 184) no Hoare annotation was computed. [2019-11-16 00:21:17,126 INFO L443 ceAbstractionStarter]: For program point L118(line 118) no Hoare annotation was computed. [2019-11-16 00:21:17,126 INFO L443 ceAbstractionStarter]: For program point L52(line 52) no Hoare annotation was computed. [2019-11-16 00:21:17,127 INFO L443 ceAbstractionStarter]: For program point L449(lines 449 870) no Hoare annotation was computed. [2019-11-16 00:21:17,127 INFO L443 ceAbstractionStarter]: For program point L317(lines 317 870) no Hoare annotation was computed. [2019-11-16 00:21:17,127 INFO L443 ceAbstractionStarter]: For program point L384(lines 384 870) no Hoare annotation was computed. [2019-11-16 00:21:17,127 INFO L443 ceAbstractionStarter]: For program point L252(lines 252 870) no Hoare annotation was computed. [2019-11-16 00:21:17,127 INFO L443 ceAbstractionStarter]: For program point L186-1(lines 20 872) no Hoare annotation was computed. [2019-11-16 00:21:17,127 INFO L443 ceAbstractionStarter]: For program point L120-1(lines 20 872) no Hoare annotation was computed. [2019-11-16 00:21:17,127 INFO L443 ceAbstractionStarter]: For program point L54-1(lines 20 872) no Hoare annotation was computed. [2019-11-16 00:21:17,127 INFO L443 ceAbstractionStarter]: For program point L187(line 187) no Hoare annotation was computed. [2019-11-16 00:21:17,127 INFO L443 ceAbstractionStarter]: For program point L121(line 121) no Hoare annotation was computed. [2019-11-16 00:21:17,127 INFO L443 ceAbstractionStarter]: For program point L55(line 55) no Hoare annotation was computed. [2019-11-16 00:21:17,127 INFO L443 ceAbstractionStarter]: For program point L848(lines 848 870) no Hoare annotation was computed. [2019-11-16 00:21:17,127 INFO L443 ceAbstractionStarter]: For program point L650(lines 650 870) no Hoare annotation was computed. [2019-11-16 00:21:17,127 INFO L443 ceAbstractionStarter]: For program point L518(lines 518 870) no Hoare annotation was computed. [2019-11-16 00:21:17,127 INFO L443 ceAbstractionStarter]: For program point L783(lines 783 870) no Hoare annotation was computed. [2019-11-16 00:21:17,127 INFO L443 ceAbstractionStarter]: For program point L585(lines 585 870) no Hoare annotation was computed. [2019-11-16 00:21:17,128 INFO L443 ceAbstractionStarter]: For program point L189-1(lines 20 872) no Hoare annotation was computed. [2019-11-16 00:21:17,128 INFO L443 ceAbstractionStarter]: For program point L123-1(lines 20 872) no Hoare annotation was computed. [2019-11-16 00:21:17,128 INFO L443 ceAbstractionStarter]: For program point L57-1(lines 20 872) no Hoare annotation was computed. [2019-11-16 00:21:17,128 INFO L443 ceAbstractionStarter]: For program point L718(lines 718 870) no Hoare annotation was computed. [2019-11-16 00:21:17,128 INFO L443 ceAbstractionStarter]: For program point L454(lines 454 870) no Hoare annotation was computed. [2019-11-16 00:21:17,128 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2019-11-16 00:21:17,128 INFO L443 ceAbstractionStarter]: For program point L190(line 190) no Hoare annotation was computed. [2019-11-16 00:21:17,128 INFO L443 ceAbstractionStarter]: For program point L124(line 124) no Hoare annotation was computed. [2019-11-16 00:21:17,128 INFO L443 ceAbstractionStarter]: For program point L58(line 58) no Hoare annotation was computed. [2019-11-16 00:21:17,128 INFO L443 ceAbstractionStarter]: For program point L323(lines 323 870) no Hoare annotation was computed. [2019-11-16 00:21:17,128 INFO L443 ceAbstractionStarter]: For program point L390(lines 390 870) no Hoare annotation was computed. [2019-11-16 00:21:17,128 INFO L443 ceAbstractionStarter]: For program point L258(lines 258 870) no Hoare annotation was computed. [2019-11-16 00:21:17,128 INFO L443 ceAbstractionStarter]: For program point L192-1(lines 20 872) no Hoare annotation was computed. [2019-11-16 00:21:17,128 INFO L443 ceAbstractionStarter]: For program point L126-1(lines 20 872) no Hoare annotation was computed. [2019-11-16 00:21:17,128 INFO L443 ceAbstractionStarter]: For program point L60-1(lines 20 872) no Hoare annotation was computed. [2019-11-16 00:21:17,129 INFO L443 ceAbstractionStarter]: For program point L193(line 193) no Hoare annotation was computed. [2019-11-16 00:21:17,129 INFO L443 ceAbstractionStarter]: For program point L127(line 127) no Hoare annotation was computed. [2019-11-16 00:21:17,129 INFO L443 ceAbstractionStarter]: For program point L61(line 61) no Hoare annotation was computed. [2019-11-16 00:21:17,129 INFO L443 ceAbstractionStarter]: For program point L854(lines 854 870) no Hoare annotation was computed. [2019-11-16 00:21:17,129 INFO L443 ceAbstractionStarter]: For program point L656(lines 656 870) no Hoare annotation was computed. [2019-11-16 00:21:17,129 INFO L443 ceAbstractionStarter]: For program point L524(lines 524 870) no Hoare annotation was computed. [2019-11-16 00:21:17,129 INFO L443 ceAbstractionStarter]: For program point L789(lines 789 870) no Hoare annotation was computed. [2019-11-16 00:21:17,129 INFO L443 ceAbstractionStarter]: For program point L591(lines 591 870) no Hoare annotation was computed. [2019-11-16 00:21:17,129 INFO L443 ceAbstractionStarter]: For program point L195-1(lines 20 872) no Hoare annotation was computed. [2019-11-16 00:21:17,129 INFO L443 ceAbstractionStarter]: For program point L129-1(lines 20 872) no Hoare annotation was computed. [2019-11-16 00:21:17,129 INFO L443 ceAbstractionStarter]: For program point L63-1(lines 20 872) no Hoare annotation was computed. [2019-11-16 00:21:17,129 INFO L443 ceAbstractionStarter]: For program point L724(lines 724 870) no Hoare annotation was computed. [2019-11-16 00:21:17,129 INFO L443 ceAbstractionStarter]: For program point L460(lines 460 870) no Hoare annotation was computed. [2019-11-16 00:21:17,129 INFO L443 ceAbstractionStarter]: For program point L196(line 196) no Hoare annotation was computed. [2019-11-16 00:21:17,129 INFO L443 ceAbstractionStarter]: For program point L130(line 130) no Hoare annotation was computed. [2019-11-16 00:21:17,130 INFO L443 ceAbstractionStarter]: For program point L64(line 64) no Hoare annotation was computed. [2019-11-16 00:21:17,130 INFO L443 ceAbstractionStarter]: For program point L329(lines 329 870) no Hoare annotation was computed. [2019-11-16 00:21:17,130 INFO L443 ceAbstractionStarter]: For program point L-1(line -1) no Hoare annotation was computed. [2019-11-16 00:21:17,130 INFO L443 ceAbstractionStarter]: For program point L396(lines 396 870) no Hoare annotation was computed. [2019-11-16 00:21:17,130 INFO L443 ceAbstractionStarter]: For program point L264(lines 264 870) no Hoare annotation was computed. [2019-11-16 00:21:17,130 INFO L443 ceAbstractionStarter]: For program point L198-1(lines 20 872) no Hoare annotation was computed. [2019-11-16 00:21:17,130 INFO L443 ceAbstractionStarter]: For program point L132-1(lines 20 872) no Hoare annotation was computed. [2019-11-16 00:21:17,130 INFO L443 ceAbstractionStarter]: For program point L66-1(lines 20 872) no Hoare annotation was computed. [2019-11-16 00:21:17,130 INFO L443 ceAbstractionStarter]: For program point L859(lines 859 870) no Hoare annotation was computed. [2019-11-16 00:21:17,130 INFO L443 ceAbstractionStarter]: For program point L199(line 199) no Hoare annotation was computed. [2019-11-16 00:21:17,130 INFO L443 ceAbstractionStarter]: For program point L133(line 133) no Hoare annotation was computed. [2019-11-16 00:21:17,130 INFO L443 ceAbstractionStarter]: For program point L67(line 67) no Hoare annotation was computed. [2019-11-16 00:21:17,130 INFO L443 ceAbstractionStarter]: For program point L662(lines 662 870) no Hoare annotation was computed. [2019-11-16 00:21:17,130 INFO L443 ceAbstractionStarter]: For program point L530(lines 530 870) no Hoare annotation was computed. [2019-11-16 00:21:17,131 INFO L443 ceAbstractionStarter]: For program point L795(lines 795 870) no Hoare annotation was computed. [2019-11-16 00:21:17,131 INFO L443 ceAbstractionStarter]: For program point L597(lines 597 870) no Hoare annotation was computed. [2019-11-16 00:21:17,131 INFO L443 ceAbstractionStarter]: For program point L201-1(lines 20 872) no Hoare annotation was computed. [2019-11-16 00:21:17,131 INFO L443 ceAbstractionStarter]: For program point L135-1(lines 20 872) no Hoare annotation was computed. [2019-11-16 00:21:17,131 INFO L443 ceAbstractionStarter]: For program point L69-1(lines 20 872) no Hoare annotation was computed. [2019-11-16 00:21:17,131 INFO L443 ceAbstractionStarter]: For program point L730(lines 730 870) no Hoare annotation was computed. [2019-11-16 00:21:17,131 INFO L443 ceAbstractionStarter]: For program point L202(line 202) no Hoare annotation was computed. [2019-11-16 00:21:17,131 INFO L443 ceAbstractionStarter]: For program point L136(line 136) no Hoare annotation was computed. [2019-11-16 00:21:17,131 INFO L443 ceAbstractionStarter]: For program point L70(line 70) no Hoare annotation was computed. [2019-11-16 00:21:17,131 INFO L443 ceAbstractionStarter]: For program point L467(lines 467 870) no Hoare annotation was computed. [2019-11-16 00:21:17,131 INFO L443 ceAbstractionStarter]: For program point L335(lines 335 870) no Hoare annotation was computed. [2019-11-16 00:21:17,131 INFO L443 ceAbstractionStarter]: For program point L269(lines 269 870) no Hoare annotation was computed. [2019-11-16 00:21:17,131 INFO L443 ceAbstractionStarter]: For program point L402(lines 402 870) no Hoare annotation was computed. [2019-11-16 00:21:17,131 INFO L443 ceAbstractionStarter]: For program point L138-1(lines 20 872) no Hoare annotation was computed. [2019-11-16 00:21:17,131 INFO L443 ceAbstractionStarter]: For program point L72-1(lines 20 872) no Hoare annotation was computed. [2019-11-16 00:21:17,132 INFO L443 ceAbstractionStarter]: For program point L865(lines 865 870) no Hoare annotation was computed. [2019-11-16 00:21:17,132 INFO L443 ceAbstractionStarter]: For program point L139(line 139) no Hoare annotation was computed. [2019-11-16 00:21:17,132 INFO L443 ceAbstractionStarter]: For program point L73(line 73) no Hoare annotation was computed. [2019-11-16 00:21:17,132 INFO L443 ceAbstractionStarter]: For program point L668(lines 668 870) no Hoare annotation was computed. [2019-11-16 00:21:17,132 INFO L443 ceAbstractionStarter]: For program point L536(lines 536 870) no Hoare annotation was computed. [2019-11-16 00:21:17,132 INFO L443 ceAbstractionStarter]: For program point L801(lines 801 870) no Hoare annotation was computed. [2019-11-16 00:21:17,132 INFO L443 ceAbstractionStarter]: For program point L735(lines 735 870) no Hoare annotation was computed. [2019-11-16 00:21:17,132 INFO L443 ceAbstractionStarter]: For program point L603(lines 603 870) no Hoare annotation was computed. [2019-11-16 00:21:17,132 INFO L443 ceAbstractionStarter]: For program point L141-1(lines 20 872) no Hoare annotation was computed. [2019-11-16 00:21:17,132 INFO L443 ceAbstractionStarter]: For program point L75-1(lines 20 872) no Hoare annotation was computed. [2019-11-16 00:21:17,132 INFO L443 ceAbstractionStarter]: For program point L472(lines 472 870) no Hoare annotation was computed. [2019-11-16 00:21:17,132 INFO L443 ceAbstractionStarter]: For program point L142(line 142) no Hoare annotation was computed. [2019-11-16 00:21:17,132 INFO L443 ceAbstractionStarter]: For program point L76(line 76) no Hoare annotation was computed. [2019-11-16 00:21:17,132 INFO L443 ceAbstractionStarter]: For program point L341(lines 341 870) no Hoare annotation was computed. [2019-11-16 00:21:17,132 INFO L443 ceAbstractionStarter]: For program point L275(lines 275 870) no Hoare annotation was computed. [2019-11-16 00:21:17,133 INFO L443 ceAbstractionStarter]: For program point L408(lines 408 870) no Hoare annotation was computed. [2019-11-16 00:21:17,133 INFO L443 ceAbstractionStarter]: For program point L144-1(lines 20 872) no Hoare annotation was computed. [2019-11-16 00:21:17,133 INFO L443 ceAbstractionStarter]: For program point L78-1(lines 20 872) no Hoare annotation was computed. [2019-11-16 00:21:17,133 INFO L439 ceAbstractionStarter]: At program point L871(lines 20 872) the Hoare annotation is: (let ((.cse3 (not (= 5 ~a15~0)))) (let ((.cse1 (<= ~a21~0 6)) (.cse2 (let ((.cse4 (<= (+ ~a12~0 43) 0))) (or (and (not (= ~a21~0 9)) .cse4) (and .cse4 .cse3) (<= (+ ~a12~0 49) 0)))) (.cse0 (= ~a24~0 1))) (or (and .cse0 .cse1) (and .cse2 .cse1) (and .cse0 (= ~a21~0 10)) (and .cse2 .cse0) (and .cse0 .cse3) (and (< 11 ~a12~0) .cse0) (and .cse0 (= ~a21~0 7))))) [2019-11-16 00:21:17,133 INFO L443 ceAbstractionStarter]: For program point L541(lines 541 870) no Hoare annotation was computed. [2019-11-16 00:21:17,133 INFO L443 ceAbstractionStarter]: For program point L211(lines 211 870) no Hoare annotation was computed. [2019-11-16 00:21:17,133 INFO L443 ceAbstractionStarter]: For program point L145(line 145) no Hoare annotation was computed. [2019-11-16 00:21:17,133 INFO L443 ceAbstractionStarter]: For program point L79(line 79) no Hoare annotation was computed. [2019-11-16 00:21:17,133 INFO L443 ceAbstractionStarter]: For program point L674(lines 674 870) no Hoare annotation was computed. [2019-11-16 00:21:17,133 INFO L443 ceAbstractionStarter]: For program point L807(lines 807 870) no Hoare annotation was computed. [2019-11-16 00:21:17,134 INFO L443 ceAbstractionStarter]: For program point L741(lines 741 870) no Hoare annotation was computed. [2019-11-16 00:21:17,134 INFO L443 ceAbstractionStarter]: For program point L609(lines 609 870) no Hoare annotation was computed. [2019-11-16 00:21:17,138 INFO L443 ceAbstractionStarter]: For program point L147-1(lines 20 872) no Hoare annotation was computed. [2019-11-16 00:21:17,138 INFO L443 ceAbstractionStarter]: For program point L81-1(lines 20 872) no Hoare annotation was computed. [2019-11-16 00:21:17,138 INFO L446 ceAbstractionStarter]: At program point L874(lines 874 890) the Hoare annotation is: true [2019-11-16 00:21:17,138 INFO L443 ceAbstractionStarter]: For program point L478(lines 478 870) no Hoare annotation was computed. [2019-11-16 00:21:17,138 INFO L443 ceAbstractionStarter]: For program point L280(lines 280 870) no Hoare annotation was computed. [2019-11-16 00:21:17,138 INFO L443 ceAbstractionStarter]: For program point L148(line 148) no Hoare annotation was computed. [2019-11-16 00:21:17,139 INFO L443 ceAbstractionStarter]: For program point L82(line 82) no Hoare annotation was computed. [2019-11-16 00:21:17,139 INFO L443 ceAbstractionStarter]: For program point L677(lines 677 870) no Hoare annotation was computed. [2019-11-16 00:21:17,139 INFO L443 ceAbstractionStarter]: For program point L347(lines 347 870) no Hoare annotation was computed. [2019-11-16 00:21:17,139 INFO L443 ceAbstractionStarter]: For program point L414(lines 414 870) no Hoare annotation was computed. [2019-11-16 00:21:17,139 INFO L443 ceAbstractionStarter]: For program point L150-1(lines 20 872) no Hoare annotation was computed. [2019-11-16 00:21:17,139 INFO L443 ceAbstractionStarter]: For program point L84-1(lines 20 872) no Hoare annotation was computed. [2019-11-16 00:21:17,139 INFO L443 ceAbstractionStarter]: For program point L547(lines 547 870) no Hoare annotation was computed. [2019-11-16 00:21:17,139 INFO L443 ceAbstractionStarter]: For program point L217(lines 217 870) no Hoare annotation was computed. [2019-11-16 00:21:17,140 INFO L443 ceAbstractionStarter]: For program point L151(line 151) no Hoare annotation was computed. [2019-11-16 00:21:17,140 INFO L443 ceAbstractionStarter]: For program point L85(line 85) no Hoare annotation was computed. [2019-11-16 00:21:17,140 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startENTRY(line -1) no Hoare annotation was computed. [2019-11-16 00:21:17,140 INFO L443 ceAbstractionStarter]: For program point L747(lines 747 870) no Hoare annotation was computed. [2019-11-16 00:21:17,140 INFO L443 ceAbstractionStarter]: For program point L615(lines 615 870) no Hoare annotation was computed. [2019-11-16 00:21:17,140 INFO L443 ceAbstractionStarter]: For program point L153-1(lines 20 872) no Hoare annotation was computed. [2019-11-16 00:21:17,140 INFO L443 ceAbstractionStarter]: For program point L87-1(lines 20 872) no Hoare annotation was computed. [2019-11-16 00:21:17,141 INFO L443 ceAbstractionStarter]: For program point L21(lines 21 23) no Hoare annotation was computed. [2019-11-16 00:21:17,141 INFO L443 ceAbstractionStarter]: For program point L21-2(lines 20 872) no Hoare annotation was computed. [2019-11-16 00:21:17,141 INFO L443 ceAbstractionStarter]: For program point L814(lines 814 870) no Hoare annotation was computed. [2019-11-16 00:21:17,141 INFO L439 ceAbstractionStarter]: At program point L880-2(lines 880 889) the Hoare annotation is: (let ((.cse3 (not (= 5 ~a15~0)))) (let ((.cse1 (<= ~a21~0 6)) (.cse2 (let ((.cse4 (<= (+ ~a12~0 43) 0))) (or (and (not (= ~a21~0 9)) .cse4) (and .cse4 .cse3) (<= (+ ~a12~0 49) 0)))) (.cse0 (= ~a24~0 1))) (or (and .cse0 .cse1) (and .cse2 .cse1) (and .cse0 (= ~a21~0 10)) (and .cse2 .cse0) (and .cse0 .cse3) (and (< 11 ~a12~0) .cse0) (and .cse0 (= ~a21~0 7))))) [2019-11-16 00:21:17,141 INFO L443 ceAbstractionStarter]: For program point L484(lines 484 870) no Hoare annotation was computed. [2019-11-16 00:21:17,142 INFO L443 ceAbstractionStarter]: For program point L286(lines 286 870) no Hoare annotation was computed. [2019-11-16 00:21:17,142 INFO L443 ceAbstractionStarter]: For program point L154(line 154) no Hoare annotation was computed. [2019-11-16 00:21:17,142 INFO L443 ceAbstractionStarter]: For program point L88(line 88) no Hoare annotation was computed. [2019-11-16 00:21:17,142 INFO L443 ceAbstractionStarter]: For program point L22(line 22) no Hoare annotation was computed. [2019-11-16 00:21:17,142 INFO L443 ceAbstractionStarter]: For program point L683(lines 683 870) no Hoare annotation was computed. [2019-11-16 00:21:17,142 INFO L443 ceAbstractionStarter]: For program point L353(lines 353 870) no Hoare annotation was computed. [2019-11-16 00:21:17,142 INFO L443 ceAbstractionStarter]: For program point L552(lines 552 870) no Hoare annotation was computed. [2019-11-16 00:21:17,143 INFO L443 ceAbstractionStarter]: For program point L420(lines 420 870) no Hoare annotation was computed. [2019-11-16 00:21:17,143 INFO L443 ceAbstractionStarter]: For program point L156-1(lines 20 872) no Hoare annotation was computed. [2019-11-16 00:21:17,143 INFO L443 ceAbstractionStarter]: For program point L90-1(lines 20 872) no Hoare annotation was computed. [2019-11-16 00:21:17,143 INFO L443 ceAbstractionStarter]: For program point L24-1(lines 20 872) no Hoare annotation was computed. [2019-11-16 00:21:17,143 INFO L443 ceAbstractionStarter]: For program point L223(lines 223 870) no Hoare annotation was computed. [2019-11-16 00:21:17,143 INFO L443 ceAbstractionStarter]: For program point L157(line 157) no Hoare annotation was computed. [2019-11-16 00:21:17,143 INFO L443 ceAbstractionStarter]: For program point L91(line 91) no Hoare annotation was computed. [2019-11-16 00:21:17,144 INFO L443 ceAbstractionStarter]: For program point L25(line 25) no Hoare annotation was computed. [2019-11-16 00:21:17,144 INFO L443 ceAbstractionStarter]: For program point L752(lines 752 870) no Hoare annotation was computed. [2019-11-16 00:21:17,144 INFO L443 ceAbstractionStarter]: For program point L885(line 885) no Hoare annotation was computed. [2019-11-16 00:21:17,144 INFO L443 ceAbstractionStarter]: For program point L819(lines 819 870) no Hoare annotation was computed. [2019-11-16 00:21:17,144 INFO L443 ceAbstractionStarter]: For program point L621(lines 621 870) no Hoare annotation was computed. [2019-11-16 00:21:17,144 INFO L443 ceAbstractionStarter]: For program point L555(lines 555 870) no Hoare annotation was computed. [2019-11-16 00:21:17,144 INFO L443 ceAbstractionStarter]: For program point L159-1(lines 20 872) no Hoare annotation was computed. [2019-11-16 00:21:17,145 INFO L443 ceAbstractionStarter]: For program point L93-1(lines 20 872) no Hoare annotation was computed. [2019-11-16 00:21:17,145 INFO L443 ceAbstractionStarter]: For program point L27-1(lines 20 872) no Hoare annotation was computed. [2019-11-16 00:21:17,145 INFO L443 ceAbstractionStarter]: For program point L688(lines 688 870) no Hoare annotation was computed. [2019-11-16 00:21:17,145 INFO L443 ceAbstractionStarter]: For program point L490(lines 490 870) no Hoare annotation was computed. [2019-11-16 00:21:17,145 INFO L443 ceAbstractionStarter]: For program point L160(line 160) no Hoare annotation was computed. [2019-11-16 00:21:17,145 INFO L443 ceAbstractionStarter]: For program point L94(line 94) no Hoare annotation was computed. [2019-11-16 00:21:17,145 INFO L443 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2019-11-16 00:21:17,145 INFO L443 ceAbstractionStarter]: For program point L28(line 28) no Hoare annotation was computed. [2019-11-16 00:21:17,146 INFO L443 ceAbstractionStarter]: For program point L359(lines 359 870) no Hoare annotation was computed. [2019-11-16 00:21:17,146 INFO L443 ceAbstractionStarter]: For program point L293(lines 293 870) no Hoare annotation was computed. [2019-11-16 00:21:17,146 INFO L443 ceAbstractionStarter]: For program point L426(lines 426 870) no Hoare annotation was computed. [2019-11-16 00:21:17,146 INFO L443 ceAbstractionStarter]: For program point L162-1(lines 20 872) no Hoare annotation was computed. [2019-11-16 00:21:17,146 INFO L443 ceAbstractionStarter]: For program point L96-1(lines 20 872) no Hoare annotation was computed. [2019-11-16 00:21:17,146 INFO L443 ceAbstractionStarter]: For program point L30-1(lines 20 872) no Hoare annotation was computed. [2019-11-16 00:21:17,146 INFO L443 ceAbstractionStarter]: For program point L229(lines 229 870) no Hoare annotation was computed. [2019-11-16 00:21:17,147 INFO L443 ceAbstractionStarter]: For program point L163(line 163) no Hoare annotation was computed. [2019-11-16 00:21:17,147 INFO L443 ceAbstractionStarter]: For program point L97(line 97) no Hoare annotation was computed. [2019-11-16 00:21:17,147 INFO L443 ceAbstractionStarter]: For program point L31(line 31) no Hoare annotation was computed. [2019-11-16 00:21:17,147 INFO L443 ceAbstractionStarter]: For program point L758(lines 758 870) no Hoare annotation was computed. [2019-11-16 00:21:17,147 INFO L443 ceAbstractionStarter]: For program point L626(lines 626 870) no Hoare annotation was computed. [2019-11-16 00:21:17,147 INFO L443 ceAbstractionStarter]: For program point L825(lines 825 870) no Hoare annotation was computed. [2019-11-16 00:21:17,147 INFO L443 ceAbstractionStarter]: For program point L561(lines 561 870) no Hoare annotation was computed. [2019-11-16 00:21:17,147 INFO L443 ceAbstractionStarter]: For program point L495(lines 495 870) no Hoare annotation was computed. [2019-11-16 00:21:17,147 INFO L443 ceAbstractionStarter]: For program point L165-1(lines 20 872) no Hoare annotation was computed. [2019-11-16 00:21:17,147 INFO L443 ceAbstractionStarter]: For program point L99-1(lines 20 872) no Hoare annotation was computed. [2019-11-16 00:21:17,147 INFO L443 ceAbstractionStarter]: For program point L33-1(lines 20 872) no Hoare annotation was computed. [2019-11-16 00:21:17,147 INFO L443 ceAbstractionStarter]: For program point L694(lines 694 870) no Hoare annotation was computed. [2019-11-16 00:21:17,147 INFO L443 ceAbstractionStarter]: For program point L166(line 166) no Hoare annotation was computed. [2019-11-16 00:21:17,148 INFO L443 ceAbstractionStarter]: For program point L100(line 100) no Hoare annotation was computed. [2019-11-16 00:21:17,148 INFO L443 ceAbstractionStarter]: For program point L34(line 34) no Hoare annotation was computed. [2019-11-16 00:21:17,148 INFO L443 ceAbstractionStarter]: For program point L299(lines 299 870) no Hoare annotation was computed. [2019-11-16 00:21:17,183 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 16.11 12:21:17 BoogieIcfgContainer [2019-11-16 00:21:17,183 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-11-16 00:21:17,183 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-16 00:21:17,183 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-16 00:21:17,183 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-16 00:21:17,184 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 16.11 12:21:03" (3/4) ... [2019-11-16 00:21:17,187 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-16 00:21:17,221 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2019-11-16 00:21:17,223 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-11-16 00:21:17,404 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_310c6f10-6ad7-4b9b-9c4d-c4910c6ad352/bin/uautomizer/witness.graphml [2019-11-16 00:21:17,404 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-16 00:21:17,405 INFO L168 Benchmark]: Toolchain (without parser) took 16606.79 ms. Allocated memory was 1.0 GB in the beginning and 1.7 GB in the end (delta: 659.6 MB). Free memory was 943.5 MB in the beginning and 1.4 GB in the end (delta: -482.5 MB). Peak memory consumption was 177.0 MB. Max. memory is 11.5 GB. [2019-11-16 00:21:17,405 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 1.0 GB. Free memory is still 967.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-16 00:21:17,406 INFO L168 Benchmark]: CACSL2BoogieTranslator took 659.16 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 138.4 MB). Free memory was 943.5 MB in the beginning and 1.1 GB in the end (delta: -166.4 MB). Peak memory consumption was 24.2 MB. Max. memory is 11.5 GB. [2019-11-16 00:21:17,406 INFO L168 Benchmark]: Boogie Procedure Inliner took 106.95 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2019-11-16 00:21:17,406 INFO L168 Benchmark]: Boogie Preprocessor took 97.17 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2019-11-16 00:21:17,407 INFO L168 Benchmark]: RCFGBuilder took 1572.35 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 957.7 MB in the end (delta: 130.7 MB). Peak memory consumption was 130.7 MB. Max. memory is 11.5 GB. [2019-11-16 00:21:17,407 INFO L168 Benchmark]: TraceAbstraction took 13945.30 ms. Allocated memory was 1.2 GB in the beginning and 1.7 GB in the end (delta: 521.1 MB). Free memory was 957.7 MB in the beginning and 1.5 GB in the end (delta: -505.5 MB). Peak memory consumption was 15.6 MB. Max. memory is 11.5 GB. [2019-11-16 00:21:17,408 INFO L168 Benchmark]: Witness Printer took 220.81 ms. Allocated memory is still 1.7 GB. Free memory was 1.5 GB in the beginning and 1.4 GB in the end (delta: 37.2 MB). Peak memory consumption was 37.2 MB. Max. memory is 11.5 GB. [2019-11-16 00:21:17,409 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 1.0 GB. Free memory is still 967.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 659.16 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 138.4 MB). Free memory was 943.5 MB in the beginning and 1.1 GB in the end (delta: -166.4 MB). Peak memory consumption was 24.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 106.95 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 97.17 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1572.35 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 957.7 MB in the end (delta: 130.7 MB). Peak memory consumption was 130.7 MB. Max. memory is 11.5 GB. * TraceAbstraction took 13945.30 ms. Allocated memory was 1.2 GB in the beginning and 1.7 GB in the end (delta: 521.1 MB). Free memory was 957.7 MB in the beginning and 1.5 GB in the end (delta: -505.5 MB). Peak memory consumption was 15.6 MB. Max. memory is 11.5 GB. * Witness Printer took 220.81 ms. Allocated memory is still 1.7 GB. Free memory was 1.5 GB in the beginning and 1.4 GB in the end (delta: 37.2 MB). Peak memory consumption was 37.2 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 187]: 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: 880]: Loop Invariant Derived loop invariant: ((((((a24 == 1 && a21 <= 6) || ((((!(a21 == 9) && a12 + 43 <= 0) || (a12 + 43 <= 0 && !(5 == a15))) || a12 + 49 <= 0) && a21 <= 6)) || (a24 == 1 && a21 == 10)) || ((((!(a21 == 9) && a12 + 43 <= 0) || (a12 + 43 <= 0 && !(5 == a15))) || a12 + 49 <= 0) && a24 == 1)) || (a24 == 1 && !(5 == a15))) || (11 < a12 && a24 == 1)) || (a24 == 1 && a21 == 7) - InvariantResult [Line: 20]: Loop Invariant Derived loop invariant: ((((((a24 == 1 && a21 <= 6) || ((((!(a21 == 9) && a12 + 43 <= 0) || (a12 + 43 <= 0 && !(5 == a15))) || a12 + 49 <= 0) && a21 <= 6)) || (a24 == 1 && a21 == 10)) || ((((!(a21 == 9) && a12 + 43 <= 0) || (a12 + 43 <= 0 && !(5 == a15))) || a12 + 49 <= 0) && a24 == 1)) || (a24 == 1 && !(5 == a15))) || (11 < a12 && a24 == 1)) || (a24 == 1 && a21 == 7) - InvariantResult [Line: 874]: Loop Invariant Derived loop invariant: 1 - StatisticsResult: Ultimate Automizer benchmark data CFG has 1 procedures, 245 locations, 1 error locations. Result: SAFE, OverallTime: 13.8s, OverallIterations: 7, TraceHistogramMax: 4, AutomataDifference: 9.1s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.3s, HoareTripleCheckerStatistics: 835 SDtfs, 2362 SDslu, 79 SDs, 0 SdLazy, 6369 SolverSat, 1510 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 6.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1354 GetRequests, 1322 SyntacticMatches, 5 SemanticMatches, 27 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 24 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=3742occurred in iteration=6, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.4s AutomataMinimizationTime, 7 MinimizatonAttempts, 1958 StatesRemovedByMinimization, 5 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 3 LocationsWithAnnotation, 3 PreInvPairs, 64 NumberOfFragments, 195 HoareAnnotationTreeSize, 3 FomulaSimplifications, 2400 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 3 FomulaSimplificationsInter, 138 FormulaSimplificationTreeSizeReductionInter, 0.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TRACE_CHECK: 0.1s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 1.4s InterpolantComputationTime, 2960 NumberOfCodeBlocks, 2960 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 2949 ConstructedInterpolants, 0 QuantifiedInterpolants, 2760306 SizeOfPredicates, 7 NumberOfNonLiveVariables, 1744 ConjunctsInSsa, 15 ConjunctsInUnsatCore, 11 InterpolantComputations, 6 PerfectInterpolantSequences, 3347/3412 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...