./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem01_label13_true-unreach-call_false-termination.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 0cd3be1d Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_db5ca415-3499-439b-b3b8-0963dc668507/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_db5ca415-3499-439b-b3b8-0963dc668507/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_db5ca415-3499-439b-b3b8-0963dc668507/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_db5ca415-3499-439b-b3b8-0963dc668507/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem01_label13_true-unreach-call_false-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_db5ca415-3499-439b-b3b8-0963dc668507/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_db5ca415-3499-439b-b3b8-0963dc668507/bin-2019/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 6e5c5eed4bd7fab4c39b1476c33057bc1fdb10c3 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-0cd3be1 [2018-11-28 12:48:20,697 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-28 12:48:20,698 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-28 12:48:20,705 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-28 12:48:20,705 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-28 12:48:20,706 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-28 12:48:20,707 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-28 12:48:20,708 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-28 12:48:20,709 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-28 12:48:20,710 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-28 12:48:20,710 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-28 12:48:20,710 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-28 12:48:20,711 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-28 12:48:20,712 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-28 12:48:20,712 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-28 12:48:20,713 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-28 12:48:20,714 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-28 12:48:20,715 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-28 12:48:20,716 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-28 12:48:20,717 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-28 12:48:20,718 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-28 12:48:20,719 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-28 12:48:20,720 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-28 12:48:20,721 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-28 12:48:20,721 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-28 12:48:20,722 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-28 12:48:20,722 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-28 12:48:20,723 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-28 12:48:20,724 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-28 12:48:20,725 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-28 12:48:20,725 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-28 12:48:20,725 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-28 12:48:20,726 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-28 12:48:20,726 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-28 12:48:20,726 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-28 12:48:20,727 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-28 12:48:20,728 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_db5ca415-3499-439b-b3b8-0963dc668507/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-11-28 12:48:20,737 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-28 12:48:20,738 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-28 12:48:20,738 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-28 12:48:20,738 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-11-28 12:48:20,739 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-28 12:48:20,739 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-28 12:48:20,739 INFO L133 SettingsManager]: * Use SBE=true [2018-11-28 12:48:20,739 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-28 12:48:20,739 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-28 12:48:20,740 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-28 12:48:20,740 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-28 12:48:20,740 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-28 12:48:20,740 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-28 12:48:20,740 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-28 12:48:20,740 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-28 12:48:20,740 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-28 12:48:20,740 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-28 12:48:20,740 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-28 12:48:20,740 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-28 12:48:20,740 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-28 12:48:20,740 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-28 12:48:20,740 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-28 12:48:20,741 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-28 12:48:20,741 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-28 12:48:20,741 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-28 12:48:20,741 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-28 12:48:20,741 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-28 12:48:20,741 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-28 12:48:20,741 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-28 12:48:20,741 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-28 12:48:20,741 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/working_dir_db5ca415-3499-439b-b3b8-0963dc668507/bin-2019/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 -> 6e5c5eed4bd7fab4c39b1476c33057bc1fdb10c3 [2018-11-28 12:48:20,766 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-28 12:48:20,775 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-28 12:48:20,778 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-28 12:48:20,779 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-28 12:48:20,779 INFO L276 PluginConnector]: CDTParser initialized [2018-11-28 12:48:20,780 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_db5ca415-3499-439b-b3b8-0963dc668507/bin-2019/uautomizer/../../sv-benchmarks/c/eca-rers2012/Problem01_label13_true-unreach-call_false-termination.c [2018-11-28 12:48:20,821 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_db5ca415-3499-439b-b3b8-0963dc668507/bin-2019/uautomizer/data/0eb245464/e90e3a69d74e44448afd9e0a2be23e1c/FLAG1a41783d7 [2018-11-28 12:48:21,179 INFO L307 CDTParser]: Found 1 translation units. [2018-11-28 12:48:21,182 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_db5ca415-3499-439b-b3b8-0963dc668507/sv-benchmarks/c/eca-rers2012/Problem01_label13_true-unreach-call_false-termination.c [2018-11-28 12:48:21,191 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_db5ca415-3499-439b-b3b8-0963dc668507/bin-2019/uautomizer/data/0eb245464/e90e3a69d74e44448afd9e0a2be23e1c/FLAG1a41783d7 [2018-11-28 12:48:21,203 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_db5ca415-3499-439b-b3b8-0963dc668507/bin-2019/uautomizer/data/0eb245464/e90e3a69d74e44448afd9e0a2be23e1c [2018-11-28 12:48:21,206 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-28 12:48:21,207 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-28 12:48:21,208 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-28 12:48:21,208 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-28 12:48:21,210 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-28 12:48:21,211 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 12:48:21" (1/1) ... [2018-11-28 12:48:21,212 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@dff5c6f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:48:21, skipping insertion in model container [2018-11-28 12:48:21,213 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 28.11 12:48:21" (1/1) ... [2018-11-28 12:48:21,217 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-28 12:48:21,248 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-28 12:48:21,474 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 12:48:21,479 INFO L191 MainTranslator]: Completed pre-run [2018-11-28 12:48:21,611 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-11-28 12:48:21,624 INFO L195 MainTranslator]: Completed translation [2018-11-28 12:48:21,625 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:48:21 WrapperNode [2018-11-28 12:48:21,625 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-28 12:48:21,625 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-28 12:48:21,626 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-28 12:48:21,626 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-28 12:48:21,632 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:48:21" (1/1) ... [2018-11-28 12:48:21,642 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:48:21" (1/1) ... [2018-11-28 12:48:21,648 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-28 12:48:21,648 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-28 12:48:21,648 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-28 12:48:21,648 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-28 12:48:21,654 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:48:21" (1/1) ... [2018-11-28 12:48:21,654 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:48:21" (1/1) ... [2018-11-28 12:48:21,656 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:48:21" (1/1) ... [2018-11-28 12:48:21,657 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:48:21" (1/1) ... [2018-11-28 12:48:21,679 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:48:21" (1/1) ... [2018-11-28 12:48:21,688 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:48:21" (1/1) ... [2018-11-28 12:48:21,691 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:48:21" (1/1) ... [2018-11-28 12:48:21,695 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-28 12:48:21,696 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-28 12:48:21,696 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-28 12:48:21,696 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-28 12:48:21,697 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:48:21" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_db5ca415-3499-439b-b3b8-0963dc668507/bin-2019/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 [2018-11-28 12:48:21,731 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-28 12:48:21,731 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-28 12:48:21,731 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-11-28 12:48:21,732 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-11-28 12:48:21,732 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-28 12:48:21,732 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-28 12:48:21,732 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-28 12:48:21,732 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-28 12:48:22,550 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-28 12:48:22,550 INFO L280 CfgBuilder]: Removed 1 assue(true) statements. [2018-11-28 12:48:22,551 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 12:48:22 BoogieIcfgContainer [2018-11-28 12:48:22,551 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-28 12:48:22,552 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-28 12:48:22,552 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-28 12:48:22,555 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-28 12:48:22,556 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 28.11 12:48:21" (1/3) ... [2018-11-28 12:48:22,556 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7ac6a1e1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 12:48:22, skipping insertion in model container [2018-11-28 12:48:22,556 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 28.11 12:48:21" (2/3) ... [2018-11-28 12:48:22,557 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@7ac6a1e1 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 28.11 12:48:22, skipping insertion in model container [2018-11-28 12:48:22,557 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 12:48:22" (3/3) ... [2018-11-28 12:48:22,558 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem01_label13_true-unreach-call_false-termination.c [2018-11-28 12:48:22,564 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-28 12:48:22,570 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-28 12:48:22,580 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-28 12:48:22,603 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-28 12:48:22,603 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-28 12:48:22,604 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-28 12:48:22,604 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-28 12:48:22,604 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-28 12:48:22,604 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-28 12:48:22,604 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-28 12:48:22,604 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-28 12:48:22,604 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-28 12:48:22,622 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states. [2018-11-28 12:48:22,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2018-11-28 12:48:22,631 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 12:48:22,632 INFO L402 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 12:48:22,634 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 12:48:22,637 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:48:22,638 INFO L82 PathProgramCache]: Analyzing trace with hash -2118591881, now seen corresponding path program 1 times [2018-11-28 12:48:22,639 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:48:22,639 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:48:22,669 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:48:22,669 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:48:22,670 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:48:22,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:48:22,942 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 12:48:22,944 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 12:48:22,944 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-28 12:48:22,948 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-28 12:48:22,956 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-28 12:48:22,957 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 12:48:22,958 INFO L87 Difference]: Start difference. First operand 207 states. Second operand 3 states. [2018-11-28 12:48:23,510 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 12:48:23,510 INFO L93 Difference]: Finished difference Result 547 states and 938 transitions. [2018-11-28 12:48:23,511 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-28 12:48:23,511 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 129 [2018-11-28 12:48:23,512 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 12:48:23,522 INFO L225 Difference]: With dead ends: 547 [2018-11-28 12:48:23,522 INFO L226 Difference]: Without dead ends: 278 [2018-11-28 12:48:23,527 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 2 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 12:48:23,539 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 278 states. [2018-11-28 12:48:23,570 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 278 to 278. [2018-11-28 12:48:23,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 278 states. [2018-11-28 12:48:23,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 278 states to 278 states and 406 transitions. [2018-11-28 12:48:23,574 INFO L78 Accepts]: Start accepts. Automaton has 278 states and 406 transitions. Word has length 129 [2018-11-28 12:48:23,574 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 12:48:23,575 INFO L480 AbstractCegarLoop]: Abstraction has 278 states and 406 transitions. [2018-11-28 12:48:23,575 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-28 12:48:23,575 INFO L276 IsEmpty]: Start isEmpty. Operand 278 states and 406 transitions. [2018-11-28 12:48:23,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2018-11-28 12:48:23,578 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 12:48:23,578 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 12:48:23,579 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 12:48:23,579 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:48:23,579 INFO L82 PathProgramCache]: Analyzing trace with hash -2105809670, now seen corresponding path program 1 times [2018-11-28 12:48:23,579 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:48:23,580 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:48:23,580 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:48:23,581 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:48:23,581 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:48:23,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:48:23,710 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 12:48:23,710 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 12:48:23,710 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2018-11-28 12:48:23,711 INFO L459 AbstractCegarLoop]: Interpolant automaton has 5 states [2018-11-28 12:48:23,712 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2018-11-28 12:48:23,712 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=7, Invalid=13, Unknown=0, NotChecked=0, Total=20 [2018-11-28 12:48:23,712 INFO L87 Difference]: Start difference. First operand 278 states and 406 transitions. Second operand 5 states. [2018-11-28 12:48:24,124 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 12:48:24,124 INFO L93 Difference]: Finished difference Result 840 states and 1253 transitions. [2018-11-28 12:48:24,127 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-11-28 12:48:24,127 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 138 [2018-11-28 12:48:24,127 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 12:48:24,131 INFO L225 Difference]: With dead ends: 840 [2018-11-28 12:48:24,131 INFO L226 Difference]: Without dead ends: 568 [2018-11-28 12:48:24,132 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 6 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=19, Invalid=37, Unknown=0, NotChecked=0, Total=56 [2018-11-28 12:48:24,132 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 568 states. [2018-11-28 12:48:24,158 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 568 to 558. [2018-11-28 12:48:24,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 558 states. [2018-11-28 12:48:24,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 558 states to 558 states and 788 transitions. [2018-11-28 12:48:24,160 INFO L78 Accepts]: Start accepts. Automaton has 558 states and 788 transitions. Word has length 138 [2018-11-28 12:48:24,160 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 12:48:24,160 INFO L480 AbstractCegarLoop]: Abstraction has 558 states and 788 transitions. [2018-11-28 12:48:24,160 INFO L481 AbstractCegarLoop]: Interpolant automaton has 5 states. [2018-11-28 12:48:24,160 INFO L276 IsEmpty]: Start isEmpty. Operand 558 states and 788 transitions. [2018-11-28 12:48:24,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2018-11-28 12:48:24,162 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 12:48:24,162 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 12:48:24,163 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 12:48:24,163 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:48:24,163 INFO L82 PathProgramCache]: Analyzing trace with hash 331870355, now seen corresponding path program 1 times [2018-11-28 12:48:24,163 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:48:24,163 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:48:24,164 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:48:24,164 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:48:24,164 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:48:24,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:48:24,267 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 21 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 12:48:24,267 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-28 12:48:24,267 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_db5ca415-3499-439b-b3b8-0963dc668507/bin-2019/uautomizer/z3 Starting monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 2 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-28 12:48:24,278 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:48:24,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:48:24,345 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 12:48:24,395 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-11-28 12:48:24,411 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-28 12:48:24,411 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 7 [2018-11-28 12:48:24,412 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-28 12:48:24,413 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-28 12:48:24,413 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-11-28 12:48:24,413 INFO L87 Difference]: Start difference. First operand 558 states and 788 transitions. Second operand 7 states. [2018-11-28 12:48:25,302 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 12:48:25,302 INFO L93 Difference]: Finished difference Result 1960 states and 2898 transitions. [2018-11-28 12:48:25,307 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-11-28 12:48:25,307 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 149 [2018-11-28 12:48:25,308 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 12:48:25,314 INFO L225 Difference]: With dead ends: 1960 [2018-11-28 12:48:25,314 INFO L226 Difference]: Without dead ends: 1408 [2018-11-28 12:48:25,316 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 170 GetRequests, 157 SyntacticMatches, 0 SemanticMatches, 13 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 28 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=63, Invalid=147, Unknown=0, NotChecked=0, Total=210 [2018-11-28 12:48:25,317 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1408 states. [2018-11-28 12:48:25,352 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1408 to 1382. [2018-11-28 12:48:25,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1382 states. [2018-11-28 12:48:25,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1382 states to 1382 states and 1890 transitions. [2018-11-28 12:48:25,358 INFO L78 Accepts]: Start accepts. Automaton has 1382 states and 1890 transitions. Word has length 149 [2018-11-28 12:48:25,359 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 12:48:25,359 INFO L480 AbstractCegarLoop]: Abstraction has 1382 states and 1890 transitions. [2018-11-28 12:48:25,359 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-28 12:48:25,359 INFO L276 IsEmpty]: Start isEmpty. Operand 1382 states and 1890 transitions. [2018-11-28 12:48:25,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2018-11-28 12:48:25,363 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 12:48:25,363 INFO L402 BasicCegarLoop]: trace histogram [2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 12:48:25,363 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 12:48:25,364 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:48:25,364 INFO L82 PathProgramCache]: Analyzing trace with hash -668363314, now seen corresponding path program 1 times [2018-11-28 12:48:25,364 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:48:25,364 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:48:25,365 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:48:25,365 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:48:25,365 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:48:25,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:48:25,469 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 12:48:25,470 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-28 12:48:25,470 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-28 12:48:25,470 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-28 12:48:25,470 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-28 12:48:25,471 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 12:48:25,472 INFO L87 Difference]: Start difference. First operand 1382 states and 1890 transitions. Second operand 3 states. [2018-11-28 12:48:25,800 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 12:48:25,804 INFO L93 Difference]: Finished difference Result 1795 states and 2468 transitions. [2018-11-28 12:48:25,804 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-28 12:48:25,804 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 148 [2018-11-28 12:48:25,805 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 12:48:25,811 INFO L225 Difference]: With dead ends: 1795 [2018-11-28 12:48:25,812 INFO L226 Difference]: Without dead ends: 1793 [2018-11-28 12:48:25,813 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 4 GetRequests, 3 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-28 12:48:25,815 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1793 states. [2018-11-28 12:48:25,850 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1793 to 1656. [2018-11-28 12:48:25,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1656 states. [2018-11-28 12:48:25,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1656 states to 1656 states and 2266 transitions. [2018-11-28 12:48:25,855 INFO L78 Accepts]: Start accepts. Automaton has 1656 states and 2266 transitions. Word has length 148 [2018-11-28 12:48:25,856 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 12:48:25,856 INFO L480 AbstractCegarLoop]: Abstraction has 1656 states and 2266 transitions. [2018-11-28 12:48:25,856 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-28 12:48:25,856 INFO L276 IsEmpty]: Start isEmpty. Operand 1656 states and 2266 transitions. [2018-11-28 12:48:25,860 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2018-11-28 12:48:25,860 INFO L394 BasicCegarLoop]: Found error trace [2018-11-28 12:48:25,861 INFO L402 BasicCegarLoop]: trace histogram [3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-28 12:48:25,861 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-28 12:48:25,861 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-28 12:48:25,861 INFO L82 PathProgramCache]: Analyzing trace with hash 1576691879, now seen corresponding path program 1 times [2018-11-28 12:48:25,861 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-28 12:48:25,861 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-28 12:48:25,862 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:48:25,862 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:48:25,862 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-28 12:48:25,876 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:48:25,968 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 45 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-28 12:48:25,968 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-11-28 12:48:25,968 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_db5ca415-3499-439b-b3b8-0963dc668507/bin-2019/uautomizer/z3 Starting monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 3 with z3 -smt2 -in SMTLIB2_COMPLIANT=true -t:12000 [2018-11-28 12:48:25,977 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-28 12:48:26,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-28 12:48:26,038 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-11-28 12:48:26,088 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-11-28 12:48:26,114 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 1 imperfect interpolant sequences. [2018-11-28 12:48:26,114 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [6] total 7 [2018-11-28 12:48:26,115 INFO L459 AbstractCegarLoop]: Interpolant automaton has 7 states [2018-11-28 12:48:26,115 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2018-11-28 12:48:26,115 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=13, Invalid=29, Unknown=0, NotChecked=0, Total=42 [2018-11-28 12:48:26,115 INFO L87 Difference]: Start difference. First operand 1656 states and 2266 transitions. Second operand 7 states. [2018-11-28 12:48:27,075 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-28 12:48:27,076 INFO L93 Difference]: Finished difference Result 4619 states and 6512 transitions. [2018-11-28 12:48:27,076 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 13 states. [2018-11-28 12:48:27,076 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 167 [2018-11-28 12:48:27,076 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-28 12:48:27,077 INFO L225 Difference]: With dead ends: 4619 [2018-11-28 12:48:27,077 INFO L226 Difference]: Without dead ends: 0 [2018-11-28 12:48:27,080 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 186 GetRequests, 174 SyntacticMatches, 0 SemanticMatches, 12 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 20 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=55, Invalid=127, Unknown=0, NotChecked=0, Total=182 [2018-11-28 12:48:27,080 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-28 12:48:27,081 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-28 12:48:27,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-28 12:48:27,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-28 12:48:27,081 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 167 [2018-11-28 12:48:27,081 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-28 12:48:27,081 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-28 12:48:27,081 INFO L481 AbstractCegarLoop]: Interpolant automaton has 7 states. [2018-11-28 12:48:27,081 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-28 12:48:27,081 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-28 12:48:27,084 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-28 12:48:27,123 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:48:27,136 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-11-28 12:48:27,358 WARN L180 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 53 [2018-11-28 12:48:27,480 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-11-28 12:48:27,480 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (= |old(~a8~0)| ~a8~0) (= ~a17~0 |old(~a17~0)|) (= ~a20~0 |old(~a20~0)|) (= ~a21~0 |old(~a21~0)|)) [2018-11-28 12:48:27,481 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-28 12:48:27,481 INFO L448 ceAbstractionStarter]: For program point L333(lines 333 390) no Hoare annotation was computed. [2018-11-28 12:48:27,481 INFO L448 ceAbstractionStarter]: For program point L102(lines 102 390) no Hoare annotation was computed. [2018-11-28 12:48:27,481 INFO L448 ceAbstractionStarter]: For program point L565-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 12:48:27,481 INFO L448 ceAbstractionStarter]: For program point L532-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 12:48:27,481 INFO L448 ceAbstractionStarter]: For program point L499-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 12:48:27,481 INFO L448 ceAbstractionStarter]: For program point L466-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 12:48:27,481 INFO L448 ceAbstractionStarter]: For program point L433-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 12:48:27,481 INFO L448 ceAbstractionStarter]: For program point L400-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 12:48:27,481 INFO L448 ceAbstractionStarter]: For program point L268(lines 268 390) no Hoare annotation was computed. [2018-11-28 12:48:27,481 INFO L448 ceAbstractionStarter]: For program point L136(lines 136 390) no Hoare annotation was computed. [2018-11-28 12:48:27,481 INFO L448 ceAbstractionStarter]: For program point L566(line 566) no Hoare annotation was computed. [2018-11-28 12:48:27,481 INFO L448 ceAbstractionStarter]: For program point L533(line 533) no Hoare annotation was computed. [2018-11-28 12:48:27,482 INFO L448 ceAbstractionStarter]: For program point L500(line 500) no Hoare annotation was computed. [2018-11-28 12:48:27,482 INFO L448 ceAbstractionStarter]: For program point L467(line 467) no Hoare annotation was computed. [2018-11-28 12:48:27,482 INFO L448 ceAbstractionStarter]: For program point L434(line 434) no Hoare annotation was computed. [2018-11-28 12:48:27,482 INFO L448 ceAbstractionStarter]: For program point L401(line 401) no Hoare annotation was computed. [2018-11-28 12:48:27,482 INFO L448 ceAbstractionStarter]: For program point L203(lines 203 390) no Hoare annotation was computed. [2018-11-28 12:48:27,482 INFO L448 ceAbstractionStarter]: For program point L72(lines 72 390) no Hoare annotation was computed. [2018-11-28 12:48:27,482 INFO L448 ceAbstractionStarter]: For program point L568-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 12:48:27,482 INFO L448 ceAbstractionStarter]: For program point L535-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 12:48:27,482 INFO L448 ceAbstractionStarter]: For program point L502-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 12:48:27,482 INFO L448 ceAbstractionStarter]: For program point L469-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 12:48:27,482 INFO L448 ceAbstractionStarter]: For program point L436-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 12:48:27,482 INFO L448 ceAbstractionStarter]: For program point L403-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 12:48:27,482 INFO L448 ceAbstractionStarter]: For program point L337(lines 337 390) no Hoare annotation was computed. [2018-11-28 12:48:27,483 INFO L448 ceAbstractionStarter]: For program point L238(lines 238 390) no Hoare annotation was computed. [2018-11-28 12:48:27,483 INFO L448 ceAbstractionStarter]: For program point L569(line 569) no Hoare annotation was computed. [2018-11-28 12:48:27,483 INFO L448 ceAbstractionStarter]: For program point L536(line 536) no Hoare annotation was computed. [2018-11-28 12:48:27,486 INFO L448 ceAbstractionStarter]: For program point L503(line 503) no Hoare annotation was computed. [2018-11-28 12:48:27,486 INFO L448 ceAbstractionStarter]: For program point L470(line 470) no Hoare annotation was computed. [2018-11-28 12:48:27,486 INFO L448 ceAbstractionStarter]: For program point L437(line 437) no Hoare annotation was computed. [2018-11-28 12:48:27,486 INFO L448 ceAbstractionStarter]: For program point L404(line 404) no Hoare annotation was computed. [2018-11-28 12:48:27,486 INFO L448 ceAbstractionStarter]: For program point L173(lines 173 390) no Hoare annotation was computed. [2018-11-28 12:48:27,486 INFO L448 ceAbstractionStarter]: For program point L140(lines 140 390) no Hoare annotation was computed. [2018-11-28 12:48:27,486 INFO L448 ceAbstractionStarter]: For program point L372(lines 372 390) no Hoare annotation was computed. [2018-11-28 12:48:27,486 INFO L448 ceAbstractionStarter]: For program point L306(lines 306 390) no Hoare annotation was computed. [2018-11-28 12:48:27,486 INFO L448 ceAbstractionStarter]: For program point L273(lines 273 390) no Hoare annotation was computed. [2018-11-28 12:48:27,487 INFO L448 ceAbstractionStarter]: For program point L108(lines 108 390) no Hoare annotation was computed. [2018-11-28 12:48:27,487 INFO L448 ceAbstractionStarter]: For program point L571-1(lines 571 573) no Hoare annotation was computed. [2018-11-28 12:48:27,487 INFO L448 ceAbstractionStarter]: For program point L538-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 12:48:27,487 INFO L448 ceAbstractionStarter]: For program point L505-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 12:48:27,487 INFO L448 ceAbstractionStarter]: For program point L472-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 12:48:27,487 INFO L448 ceAbstractionStarter]: For program point L439-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 12:48:27,487 INFO L448 ceAbstractionStarter]: For program point L406-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 12:48:27,487 INFO L448 ceAbstractionStarter]: For program point L208(lines 208 390) no Hoare annotation was computed. [2018-11-28 12:48:27,487 INFO L448 ceAbstractionStarter]: For program point L43(lines 43 390) no Hoare annotation was computed. [2018-11-28 12:48:27,487 INFO L448 ceAbstractionStarter]: For program point L572(line 572) no Hoare annotation was computed. [2018-11-28 12:48:27,487 INFO L448 ceAbstractionStarter]: For program point L539(line 539) no Hoare annotation was computed. [2018-11-28 12:48:27,487 INFO L448 ceAbstractionStarter]: For program point L506(line 506) no Hoare annotation was computed. [2018-11-28 12:48:27,487 INFO L448 ceAbstractionStarter]: For program point L473(line 473) no Hoare annotation was computed. [2018-11-28 12:48:27,488 INFO L448 ceAbstractionStarter]: For program point L440(line 440) no Hoare annotation was computed. [2018-11-28 12:48:27,488 INFO L448 ceAbstractionStarter]: For program point L407(line 407) no Hoare annotation was computed. [2018-11-28 12:48:27,488 INFO L448 ceAbstractionStarter]: For program point L144(lines 144 390) no Hoare annotation was computed. [2018-11-28 12:48:27,488 INFO L448 ceAbstractionStarter]: For program point L541-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 12:48:27,488 INFO L448 ceAbstractionStarter]: For program point L508-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 12:48:27,488 INFO L448 ceAbstractionStarter]: For program point L475-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 12:48:27,488 INFO L448 ceAbstractionStarter]: For program point L442-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 12:48:27,488 INFO L448 ceAbstractionStarter]: For program point L409-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 12:48:27,488 INFO L448 ceAbstractionStarter]: For program point L178(lines 178 390) no Hoare annotation was computed. [2018-11-28 12:48:27,488 INFO L448 ceAbstractionStarter]: For program point L542(line 542) no Hoare annotation was computed. [2018-11-28 12:48:27,488 INFO L448 ceAbstractionStarter]: For program point L509(line 509) no Hoare annotation was computed. [2018-11-28 12:48:27,488 INFO L448 ceAbstractionStarter]: For program point L476(line 476) no Hoare annotation was computed. [2018-11-28 12:48:27,488 INFO L448 ceAbstractionStarter]: For program point L443(line 443) no Hoare annotation was computed. [2018-11-28 12:48:27,488 INFO L448 ceAbstractionStarter]: For program point L410(line 410) no Hoare annotation was computed. [2018-11-28 12:48:27,488 INFO L448 ceAbstractionStarter]: For program point L377(lines 377 390) no Hoare annotation was computed. [2018-11-28 12:48:27,489 INFO L448 ceAbstractionStarter]: For program point L278(lines 278 390) no Hoare annotation was computed. [2018-11-28 12:48:27,489 INFO L448 ceAbstractionStarter]: For program point L245(lines 245 390) no Hoare annotation was computed. [2018-11-28 12:48:27,489 INFO L448 ceAbstractionStarter]: For program point L80(lines 80 390) no Hoare annotation was computed. [2018-11-28 12:48:27,489 INFO L448 ceAbstractionStarter]: For program point L345(lines 345 390) no Hoare annotation was computed. [2018-11-28 12:48:27,489 INFO L448 ceAbstractionStarter]: For program point L312(lines 312 390) no Hoare annotation was computed. [2018-11-28 12:48:27,489 INFO L448 ceAbstractionStarter]: For program point L114(lines 114 390) no Hoare annotation was computed. [2018-11-28 12:48:27,489 INFO L448 ceAbstractionStarter]: For program point L544-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 12:48:27,489 INFO L448 ceAbstractionStarter]: For program point L511-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 12:48:27,489 INFO L448 ceAbstractionStarter]: For program point L478-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 12:48:27,489 INFO L448 ceAbstractionStarter]: For program point L445-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 12:48:27,489 INFO L448 ceAbstractionStarter]: For program point L412-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 12:48:27,489 INFO L448 ceAbstractionStarter]: For program point L214(lines 214 390) no Hoare annotation was computed. [2018-11-28 12:48:27,489 INFO L448 ceAbstractionStarter]: For program point L148(lines 148 390) no Hoare annotation was computed. [2018-11-28 12:48:27,489 INFO L448 ceAbstractionStarter]: For program point L49(lines 49 390) no Hoare annotation was computed. [2018-11-28 12:48:27,490 INFO L448 ceAbstractionStarter]: For program point L545(line 545) no Hoare annotation was computed. [2018-11-28 12:48:27,490 INFO L448 ceAbstractionStarter]: For program point L512(line 512) no Hoare annotation was computed. [2018-11-28 12:48:27,490 INFO L448 ceAbstractionStarter]: For program point L479(line 479) no Hoare annotation was computed. [2018-11-28 12:48:27,490 INFO L448 ceAbstractionStarter]: For program point L446(line 446) no Hoare annotation was computed. [2018-11-28 12:48:27,490 INFO L448 ceAbstractionStarter]: For program point L413(line 413) no Hoare annotation was computed. [2018-11-28 12:48:27,490 INFO L448 ceAbstractionStarter]: For program point L84(lines 84 390) no Hoare annotation was computed. [2018-11-28 12:48:27,490 INFO L448 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 30 575) no Hoare annotation was computed. [2018-11-28 12:48:27,490 INFO L448 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 30 575) no Hoare annotation was computed. [2018-11-28 12:48:27,490 INFO L448 ceAbstractionStarter]: For program point L547-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 12:48:27,490 INFO L448 ceAbstractionStarter]: For program point L514-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 12:48:27,490 INFO L448 ceAbstractionStarter]: For program point L481-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 12:48:27,490 INFO L448 ceAbstractionStarter]: For program point L448-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 12:48:27,490 INFO L448 ceAbstractionStarter]: For program point L382(lines 382 390) no Hoare annotation was computed. [2018-11-28 12:48:27,490 INFO L448 ceAbstractionStarter]: For program point L415-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 12:48:27,491 INFO L448 ceAbstractionStarter]: For program point L316(lines 316 390) no Hoare annotation was computed. [2018-11-28 12:48:27,491 INFO L448 ceAbstractionStarter]: For program point L250(lines 250 390) no Hoare annotation was computed. [2018-11-28 12:48:27,491 INFO L448 ceAbstractionStarter]: For program point L548(line 548) no Hoare annotation was computed. [2018-11-28 12:48:27,492 INFO L448 ceAbstractionStarter]: For program point L515(line 515) no Hoare annotation was computed. [2018-11-28 12:48:27,492 INFO L448 ceAbstractionStarter]: For program point L482(line 482) no Hoare annotation was computed. [2018-11-28 12:48:27,492 INFO L448 ceAbstractionStarter]: For program point L449(line 449) no Hoare annotation was computed. [2018-11-28 12:48:27,492 INFO L448 ceAbstractionStarter]: For program point L416(line 416) no Hoare annotation was computed. [2018-11-28 12:48:27,492 INFO L448 ceAbstractionStarter]: For program point L218(lines 218 390) no Hoare annotation was computed. [2018-11-28 12:48:27,492 INFO L448 ceAbstractionStarter]: For program point L152(lines 152 390) no Hoare annotation was computed. [2018-11-28 12:48:27,492 INFO L448 ceAbstractionStarter]: For program point L119(lines 119 390) no Hoare annotation was computed. [2018-11-28 12:48:27,492 INFO L448 ceAbstractionStarter]: For program point L318(lines 318 390) no Hoare annotation was computed. [2018-11-28 12:48:27,492 INFO L448 ceAbstractionStarter]: For program point L186(lines 186 390) no Hoare annotation was computed. [2018-11-28 12:48:27,492 INFO L448 ceAbstractionStarter]: For program point L54(lines 54 390) no Hoare annotation was computed. [2018-11-28 12:48:27,492 INFO L448 ceAbstractionStarter]: For program point L550-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 12:48:27,492 INFO L448 ceAbstractionStarter]: For program point L517-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 12:48:27,493 INFO L448 ceAbstractionStarter]: For program point L484-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 12:48:27,493 INFO L448 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 545) no Hoare annotation was computed. [2018-11-28 12:48:27,493 INFO L448 ceAbstractionStarter]: For program point L451-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 12:48:27,493 INFO L448 ceAbstractionStarter]: For program point L418-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 12:48:27,493 INFO L448 ceAbstractionStarter]: For program point L286(lines 286 390) no Hoare annotation was computed. [2018-11-28 12:48:27,493 INFO L448 ceAbstractionStarter]: For program point L551(line 551) no Hoare annotation was computed. [2018-11-28 12:48:27,493 INFO L448 ceAbstractionStarter]: For program point L518(line 518) no Hoare annotation was computed. [2018-11-28 12:48:27,493 INFO L448 ceAbstractionStarter]: For program point L485(line 485) no Hoare annotation was computed. [2018-11-28 12:48:27,493 INFO L448 ceAbstractionStarter]: For program point L452(line 452) no Hoare annotation was computed. [2018-11-28 12:48:27,493 INFO L448 ceAbstractionStarter]: For program point L419(line 419) no Hoare annotation was computed. [2018-11-28 12:48:27,493 INFO L448 ceAbstractionStarter]: For program point L353(lines 353 390) no Hoare annotation was computed. [2018-11-28 12:48:27,493 INFO L448 ceAbstractionStarter]: For program point L189(lines 189 390) no Hoare annotation was computed. [2018-11-28 12:48:27,493 INFO L448 ceAbstractionStarter]: For program point L553-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 12:48:27,494 INFO L448 ceAbstractionStarter]: For program point L520-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 12:48:27,494 INFO L448 ceAbstractionStarter]: For program point L487-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 12:48:27,494 INFO L448 ceAbstractionStarter]: For program point L454-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 12:48:27,494 INFO L448 ceAbstractionStarter]: For program point L421-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 12:48:27,494 INFO L448 ceAbstractionStarter]: For program point L355(lines 355 390) no Hoare annotation was computed. [2018-11-28 12:48:27,494 INFO L448 ceAbstractionStarter]: For program point L256(lines 256 390) no Hoare annotation was computed. [2018-11-28 12:48:27,494 INFO L448 ceAbstractionStarter]: For program point L223(lines 223 390) no Hoare annotation was computed. [2018-11-28 12:48:27,494 INFO L448 ceAbstractionStarter]: For program point L124(lines 124 390) no Hoare annotation was computed. [2018-11-28 12:48:27,494 INFO L448 ceAbstractionStarter]: For program point L554(line 554) no Hoare annotation was computed. [2018-11-28 12:48:27,494 INFO L448 ceAbstractionStarter]: For program point L521(line 521) no Hoare annotation was computed. [2018-11-28 12:48:27,494 INFO L448 ceAbstractionStarter]: For program point L488(line 488) no Hoare annotation was computed. [2018-11-28 12:48:27,494 INFO L448 ceAbstractionStarter]: For program point L455(line 455) no Hoare annotation was computed. [2018-11-28 12:48:27,494 INFO L448 ceAbstractionStarter]: For program point L422(line 422) no Hoare annotation was computed. [2018-11-28 12:48:27,494 INFO L448 ceAbstractionStarter]: For program point L92(lines 92 390) no Hoare annotation was computed. [2018-11-28 12:48:27,495 INFO L444 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 30 575) the Hoare annotation is: (let ((.cse2 (= |old(~a8~0)| ~a8~0)) (.cse13 (= ~a17~0 |old(~a17~0)|)) (.cse3 (not (= ~a16~0 6))) (.cse4 (= ~a20~0 |old(~a20~0)|)) (.cse5 (= ~a21~0 |old(~a21~0)|))) (let ((.cse8 (and .cse2 .cse13 .cse3 .cse4 .cse5)) (.cse6 (= 1 ~a17~0)) (.cse1 (not (= 1 |old(~a20~0)|))) (.cse7 (not (= 1 |old(~a17~0)|))) (.cse10 (not (= 1 |old(~a21~0)|))) (.cse11 (= 1 |old(~a7~0)|)) (.cse12 (not (= ~a7~0 1))) (.cse9 (< 0 |old(~a20~0)|)) (.cse0 (= 6 |old(~a16~0)|)) (.cse14 (< 0 |old(~a17~0)|))) (and (or .cse0 .cse1 (and .cse2 .cse3 .cse4 .cse5 .cse6) .cse7) (or .cse0 .cse8 .cse9) (or .cse10 .cse11 (and .cse12 .cse2 .cse13 .cse4 .cse5) (= 13 |old(~a8~0)|)) (or .cse8 (or .cse0 .cse10)) (or .cse10 .cse11 (and .cse12 .cse2 .cse4 .cse5 .cse6) .cse1 .cse7) (or .cse0 .cse10 .cse11 .cse12 .cse9) (or (and .cse2 .cse13 .cse4 .cse5) .cse14) (or .cse0 .cse3 .cse14)))) [2018-11-28 12:48:27,495 INFO L448 ceAbstractionStarter]: For program point L324(lines 324 390) no Hoare annotation was computed. [2018-11-28 12:48:27,495 INFO L448 ceAbstractionStarter]: For program point L556-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 12:48:27,495 INFO L448 ceAbstractionStarter]: For program point L523-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 12:48:27,495 INFO L448 ceAbstractionStarter]: For program point L490-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 12:48:27,495 INFO L448 ceAbstractionStarter]: For program point L457-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 12:48:27,495 INFO L448 ceAbstractionStarter]: For program point L391(lines 391 393) no Hoare annotation was computed. [2018-11-28 12:48:27,495 INFO L448 ceAbstractionStarter]: For program point L424-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 12:48:27,495 INFO L448 ceAbstractionStarter]: For program point L391-2(lines 30 575) no Hoare annotation was computed. [2018-11-28 12:48:27,495 INFO L448 ceAbstractionStarter]: For program point L292(lines 292 390) no Hoare annotation was computed. [2018-11-28 12:48:27,495 INFO L448 ceAbstractionStarter]: For program point L160(lines 160 390) no Hoare annotation was computed. [2018-11-28 12:48:27,496 INFO L448 ceAbstractionStarter]: For program point L557(line 557) no Hoare annotation was computed. [2018-11-28 12:48:27,496 INFO L448 ceAbstractionStarter]: For program point L524(line 524) no Hoare annotation was computed. [2018-11-28 12:48:27,496 INFO L448 ceAbstractionStarter]: For program point L491(line 491) no Hoare annotation was computed. [2018-11-28 12:48:27,496 INFO L448 ceAbstractionStarter]: For program point L458(line 458) no Hoare annotation was computed. [2018-11-28 12:48:27,496 INFO L448 ceAbstractionStarter]: For program point L425(line 425) no Hoare annotation was computed. [2018-11-28 12:48:27,496 INFO L448 ceAbstractionStarter]: For program point L392(line 392) no Hoare annotation was computed. [2018-11-28 12:48:27,496 INFO L448 ceAbstractionStarter]: For program point L194(lines 194 390) no Hoare annotation was computed. [2018-11-28 12:48:27,496 INFO L448 ceAbstractionStarter]: For program point L62(lines 62 390) no Hoare annotation was computed. [2018-11-28 12:48:27,496 INFO L448 ceAbstractionStarter]: For program point L261(lines 261 390) no Hoare annotation was computed. [2018-11-28 12:48:27,496 INFO L448 ceAbstractionStarter]: For program point L129(lines 129 390) no Hoare annotation was computed. [2018-11-28 12:48:27,496 INFO L448 ceAbstractionStarter]: For program point L559-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 12:48:27,496 INFO L448 ceAbstractionStarter]: For program point L526-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 12:48:27,496 INFO L448 ceAbstractionStarter]: For program point L493-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 12:48:27,496 INFO L448 ceAbstractionStarter]: For program point L460-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 12:48:27,497 INFO L448 ceAbstractionStarter]: For program point L427-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 12:48:27,497 INFO L448 ceAbstractionStarter]: For program point L361(lines 361 390) no Hoare annotation was computed. [2018-11-28 12:48:27,497 INFO L448 ceAbstractionStarter]: For program point L394-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 12:48:27,498 INFO L448 ceAbstractionStarter]: For program point L97(lines 97 390) no Hoare annotation was computed. [2018-11-28 12:48:27,498 INFO L448 ceAbstractionStarter]: For program point L31(lines 31 390) no Hoare annotation was computed. [2018-11-28 12:48:27,498 INFO L448 ceAbstractionStarter]: For program point L560(line 560) no Hoare annotation was computed. [2018-11-28 12:48:27,498 INFO L448 ceAbstractionStarter]: For program point L527(line 527) no Hoare annotation was computed. [2018-11-28 12:48:27,498 INFO L448 ceAbstractionStarter]: For program point L494(line 494) no Hoare annotation was computed. [2018-11-28 12:48:27,498 INFO L448 ceAbstractionStarter]: For program point L461(line 461) no Hoare annotation was computed. [2018-11-28 12:48:27,499 INFO L448 ceAbstractionStarter]: For program point L428(line 428) no Hoare annotation was computed. [2018-11-28 12:48:27,499 INFO L448 ceAbstractionStarter]: For program point L395(line 395) no Hoare annotation was computed. [2018-11-28 12:48:27,499 INFO L448 ceAbstractionStarter]: For program point L329(lines 329 390) no Hoare annotation was computed. [2018-11-28 12:48:27,499 INFO L448 ceAbstractionStarter]: For program point L197(lines 197 390) no Hoare annotation was computed. [2018-11-28 12:48:27,499 INFO L448 ceAbstractionStarter]: For program point L65(lines 65 390) no Hoare annotation was computed. [2018-11-28 12:48:27,499 INFO L448 ceAbstractionStarter]: For program point L363(lines 363 390) no Hoare annotation was computed. [2018-11-28 12:48:27,499 INFO L448 ceAbstractionStarter]: For program point L231(lines 231 390) no Hoare annotation was computed. [2018-11-28 12:48:27,499 INFO L448 ceAbstractionStarter]: For program point L165(lines 165 390) no Hoare annotation was computed. [2018-11-28 12:48:27,499 INFO L448 ceAbstractionStarter]: For program point L562-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 12:48:27,499 INFO L448 ceAbstractionStarter]: For program point L529-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 12:48:27,499 INFO L448 ceAbstractionStarter]: For program point L496-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 12:48:27,499 INFO L448 ceAbstractionStarter]: For program point L463-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 12:48:27,499 INFO L448 ceAbstractionStarter]: For program point L430-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 12:48:27,499 INFO L448 ceAbstractionStarter]: For program point L397-1(lines 30 575) no Hoare annotation was computed. [2018-11-28 12:48:27,499 INFO L448 ceAbstractionStarter]: For program point L265(lines 265 390) no Hoare annotation was computed. [2018-11-28 12:48:27,500 INFO L448 ceAbstractionStarter]: For program point L563(line 563) no Hoare annotation was computed. [2018-11-28 12:48:27,500 INFO L448 ceAbstractionStarter]: For program point L530(line 530) no Hoare annotation was computed. [2018-11-28 12:48:27,500 INFO L448 ceAbstractionStarter]: For program point L497(line 497) no Hoare annotation was computed. [2018-11-28 12:48:27,500 INFO L448 ceAbstractionStarter]: For program point L464(line 464) no Hoare annotation was computed. [2018-11-28 12:48:27,500 INFO L448 ceAbstractionStarter]: For program point L431(line 431) no Hoare annotation was computed. [2018-11-28 12:48:27,500 INFO L448 ceAbstractionStarter]: For program point L398(line 398) no Hoare annotation was computed. [2018-11-28 12:48:27,500 INFO L448 ceAbstractionStarter]: For program point L365(lines 365 390) no Hoare annotation was computed. [2018-11-28 12:48:27,500 INFO L448 ceAbstractionStarter]: For program point L299(lines 299 390) no Hoare annotation was computed. [2018-11-28 12:48:27,500 INFO L448 ceAbstractionStarter]: For program point L35(lines 35 390) no Hoare annotation was computed. [2018-11-28 12:48:27,500 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-28 12:48:27,500 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (not (= ~a7~0 1)) (= 1 ~a20~0) (not (= ~a16~0 6)) (= 1 ~a21~0) (not (= ~a8~0 13)) (= 1 ~a17~0)) [2018-11-28 12:48:27,500 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-28 12:48:27,500 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-28 12:48:27,501 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 577 594) the Hoare annotation is: (or (= 6 |old(~a16~0)|) (not (= 1 |old(~a21~0)|)) (= 1 |old(~a7~0)|) (and (not (= ~a7~0 1)) (= |old(~a8~0)| ~a8~0) (not (= ~a16~0 6)) (= ~a20~0 |old(~a20~0)|) (= ~a21~0 |old(~a21~0)|) (= 1 ~a17~0)) (not (= 1 |old(~a20~0)|)) (= 13 |old(~a8~0)|) (not (= 1 |old(~a17~0)|))) [2018-11-28 12:48:27,501 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 577 594) no Hoare annotation was computed. [2018-11-28 12:48:27,501 INFO L444 ceAbstractionStarter]: At program point L591(line 591) the Hoare annotation is: (let ((.cse0 (not (= ~a16~0 6))) (.cse2 (not (= ~a7~0 1))) (.cse3 (= 1 ~a20~0)) (.cse1 (= 1 ~a21~0)) (.cse4 (= 1 ~a17~0))) (or (= 6 |old(~a16~0)|) (not (= 1 |old(~a21~0)|)) (= 13 |old(~a8~0)|) (and .cse0 (<= ~a20~0 0)) (<= ~a17~0 0) (not (= 1 |old(~a17~0)|)) (= 1 |old(~a7~0)|) (and .cse0 .cse1) (not (= 1 |old(~a20~0)|)) (and .cse2 .cse1 (not (= ~a8~0 13))) (and .cse3 .cse0 .cse4) (and .cse2 .cse3 .cse1 .cse4))) [2018-11-28 12:48:27,501 INFO L448 ceAbstractionStarter]: For program point L591-1(line 591) no Hoare annotation was computed. [2018-11-28 12:48:27,501 INFO L448 ceAbstractionStarter]: For program point L588(line 588) no Hoare annotation was computed. [2018-11-28 12:48:27,501 INFO L444 ceAbstractionStarter]: At program point L583-2(lines 583 593) the Hoare annotation is: (let ((.cse0 (not (= ~a16~0 6))) (.cse2 (not (= ~a7~0 1))) (.cse3 (= 1 ~a20~0)) (.cse1 (= 1 ~a21~0)) (.cse4 (= 1 ~a17~0))) (or (= 6 |old(~a16~0)|) (not (= 1 |old(~a21~0)|)) (= 13 |old(~a8~0)|) (and .cse0 (<= ~a20~0 0)) (<= ~a17~0 0) (not (= 1 |old(~a17~0)|)) (= 1 |old(~a7~0)|) (and .cse0 .cse1) (not (= 1 |old(~a20~0)|)) (and .cse2 .cse1 (not (= ~a8~0 13))) (and .cse3 .cse0 .cse4) (and .cse2 .cse3 .cse1 .cse4))) [2018-11-28 12:48:27,501 INFO L448 ceAbstractionStarter]: For program point L583-3(lines 577 594) no Hoare annotation was computed. [2018-11-28 12:48:27,516 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 28.11 12:48:27 BoogieIcfgContainer [2018-11-28 12:48:27,516 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-28 12:48:27,517 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-28 12:48:27,517 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-28 12:48:27,517 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-28 12:48:27,517 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 28.11 12:48:22" (3/4) ... [2018-11-28 12:48:27,520 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-28 12:48:27,526 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-28 12:48:27,526 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure calculate_output [2018-11-28 12:48:27,527 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-28 12:48:27,536 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-11-28 12:48:27,536 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-11-28 12:48:27,561 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((((((6 == \old(a16) || !(1 == \old(a21))) || 13 == \old(a8)) || (!(a16 == 6) && a20 <= 0)) || a17 <= 0) || !(1 == \old(a17))) || 1 == \old(a7)) || (!(a16 == 6) && 1 == a21)) || !(1 == \old(a20))) || ((!(a7 == 1) && 1 == a21) && !(a8 == 13))) || ((1 == a20 && !(a16 == 6)) && 1 == a17)) || (((!(a7 == 1) && 1 == a20) && 1 == a21) && 1 == a17) [2018-11-28 12:48:27,636 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_db5ca415-3499-439b-b3b8-0963dc668507/bin-2019/uautomizer/witness.graphml [2018-11-28 12:48:27,636 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-28 12:48:27,637 INFO L168 Benchmark]: Toolchain (without parser) took 6430.44 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 350.7 MB). Free memory was 951.7 MB in the beginning and 1.2 GB in the end (delta: -210.2 MB). Peak memory consumption was 140.6 MB. Max. memory is 11.5 GB. [2018-11-28 12:48:27,637 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 976.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 12:48:27,637 INFO L168 Benchmark]: CACSL2BoogieTranslator took 417.35 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 175.6 MB). Free memory was 951.7 MB in the beginning and 1.2 GB in the end (delta: -206.5 MB). Peak memory consumption was 38.2 MB. Max. memory is 11.5 GB. [2018-11-28 12:48:27,638 INFO L168 Benchmark]: Boogie Procedure Inliner took 22.15 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-28 12:48:27,638 INFO L168 Benchmark]: Boogie Preprocessor took 47.69 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 11.5 GB. [2018-11-28 12:48:27,638 INFO L168 Benchmark]: RCFGBuilder took 855.31 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.0 GB in the end (delta: 116.3 MB). Peak memory consumption was 116.3 MB. Max. memory is 11.5 GB. [2018-11-28 12:48:27,638 INFO L168 Benchmark]: TraceAbstraction took 4964.77 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 175.1 MB). Free memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: -145.9 MB). Peak memory consumption was 29.2 MB. Max. memory is 11.5 GB. [2018-11-28 12:48:27,638 INFO L168 Benchmark]: Witness Printer took 119.33 ms. Allocated memory is still 1.4 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 19.0 MB). Peak memory consumption was 19.0 MB. Max. memory is 11.5 GB. [2018-11-28 12:48:27,640 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 976.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 417.35 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 175.6 MB). Free memory was 951.7 MB in the beginning and 1.2 GB in the end (delta: -206.5 MB). Peak memory consumption was 38.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 22.15 ms. Allocated memory is still 1.2 GB. Free memory is still 1.2 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 47.69 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 11.5 GB. * RCFGBuilder took 855.31 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.0 GB in the end (delta: 116.3 MB). Peak memory consumption was 116.3 MB. Max. memory is 11.5 GB. * TraceAbstraction took 4964.77 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 175.1 MB). Free memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: -145.9 MB). Peak memory consumption was 29.2 MB. Max. memory is 11.5 GB. * Witness Printer took 119.33 ms. Allocated memory is still 1.4 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 19.0 MB). Peak memory consumption was 19.0 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 545]: 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: 583]: Loop Invariant Derived loop invariant: ((((((((((6 == \old(a16) || !(1 == \old(a21))) || 13 == \old(a8)) || (!(a16 == 6) && a20 <= 0)) || a17 <= 0) || !(1 == \old(a17))) || 1 == \old(a7)) || (!(a16 == 6) && 1 == a21)) || !(1 == \old(a20))) || ((!(a7 == 1) && 1 == a21) && !(a8 == 13))) || ((1 == a20 && !(a16 == 6)) && 1 == a17)) || (((!(a7 == 1) && 1 == a20) && 1 == a21) && 1 == a17) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 207 locations, 1 error locations. SAFE Result, 4.9s OverallTime, 5 OverallIterations, 3 TraceHistogramMax, 3.2s AutomataDifference, 0.0s DeadEndRemovalTime, 0.3s HoareAnnotationTime, HoareTripleCheckerStatistics: 167 SDtfs, 1735 SDslu, 230 SDs, 0 SdLazy, 3737 SolverSat, 671 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 374 GetRequests, 338 SyntacticMatches, 3 SemanticMatches, 33 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 51 ImplicationChecksByTransitivity, 0.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1656occurred in iteration=4, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: 0.1s AutomataMinimizationTime, 5 MinimizatonAttempts, 173 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 50 PreInvPairs, 100 NumberOfFragments, 426 HoareAnnotationTreeSize, 50 FomulaSimplifications, 1996 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 7 FomulaSimplificationsInter, 815 FormulaSimplificationTreeSizeReductionInter, 0.3s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.5s InterpolantComputationTime, 1047 NumberOfCodeBlocks, 1047 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 1040 ConstructedInterpolants, 0 QuantifiedInterpolants, 391566 SizeOfPredicates, 4 NumberOfNonLiveVariables, 893 ConjunctsInSsa, 8 ConjunctsInUnsatCore, 7 InterpolantComputations, 5 PerfectInterpolantSequences, 158/162 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...