./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem01_label17_true-unreach-call_false-termination.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_ea22fa94-3dca-48d1-8f27-1960441a4e21/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_ea22fa94-3dca-48d1-8f27-1960441a4e21/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_ea22fa94-3dca-48d1-8f27-1960441a4e21/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_ea22fa94-3dca-48d1-8f27-1960441a4e21/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem01_label17_true-unreach-call_false-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_ea22fa94-3dca-48d1-8f27-1960441a4e21/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_ea22fa94-3dca-48d1-8f27-1960441a4e21/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 aac67f6dc6529e5dab098a5e1960c3e19b78df96 ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-02 20:34:23,626 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-02 20:34:23,627 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-02 20:34:23,633 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-02 20:34:23,633 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-02 20:34:23,634 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-02 20:34:23,634 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-02 20:34:23,635 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-02 20:34:23,636 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-02 20:34:23,636 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-02 20:34:23,637 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-02 20:34:23,637 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-02 20:34:23,637 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-02 20:34:23,638 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-02 20:34:23,638 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-02 20:34:23,639 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-02 20:34:23,639 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-02 20:34:23,640 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-02 20:34:23,641 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-02 20:34:23,642 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-02 20:34:23,643 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-02 20:34:23,643 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-02 20:34:23,644 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-02 20:34:23,645 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-02 20:34:23,645 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-02 20:34:23,645 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-02 20:34:23,646 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-02 20:34:23,646 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-02 20:34:23,647 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-02 20:34:23,647 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-02 20:34:23,647 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-02 20:34:23,648 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-02 20:34:23,648 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-02 20:34:23,648 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-02 20:34:23,648 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-02 20:34:23,649 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-02 20:34:23,649 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_ea22fa94-3dca-48d1-8f27-1960441a4e21/bin-2019/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2018-12-02 20:34:23,656 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-02 20:34:23,656 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-02 20:34:23,657 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-02 20:34:23,657 INFO L133 SettingsManager]: * ... calls to implemented procedures=ONLY_FOR_CONCURRENT_PROGRAMS [2018-12-02 20:34:23,657 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-02 20:34:23,657 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-02 20:34:23,658 INFO L133 SettingsManager]: * Use SBE=true [2018-12-02 20:34:23,658 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-02 20:34:23,658 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-02 20:34:23,658 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-02 20:34:23,658 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-02 20:34:23,658 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-02 20:34:23,658 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-02 20:34:23,658 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-02 20:34:23,658 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-02 20:34:23,659 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-02 20:34:23,659 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-02 20:34:23,659 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-02 20:34:23,659 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-02 20:34:23,659 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-02 20:34:23,659 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-12-02 20:34:23,659 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-02 20:34:23,659 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-12-02 20:34:23,659 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-12-02 20:34:23,659 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-02 20:34:23,660 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-02 20:34:23,660 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-02 20:34:23,660 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-12-02 20:34:23,660 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-02 20:34:23,660 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-02 20:34:23,660 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_ea22fa94-3dca-48d1-8f27-1960441a4e21/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 -> aac67f6dc6529e5dab098a5e1960c3e19b78df96 [2018-12-02 20:34:23,678 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-02 20:34:23,688 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-02 20:34:23,690 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-02 20:34:23,691 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-02 20:34:23,692 INFO L276 PluginConnector]: CDTParser initialized [2018-12-02 20:34:23,692 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_ea22fa94-3dca-48d1-8f27-1960441a4e21/bin-2019/uautomizer/../../sv-benchmarks/c/eca-rers2012/Problem01_label17_true-unreach-call_false-termination.c [2018-12-02 20:34:23,738 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_ea22fa94-3dca-48d1-8f27-1960441a4e21/bin-2019/uautomizer/data/fd2bfec31/290ebf80f56a49aaaea46f593f3c40fa/FLAG40106e89d [2018-12-02 20:34:24,193 INFO L307 CDTParser]: Found 1 translation units. [2018-12-02 20:34:24,194 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_ea22fa94-3dca-48d1-8f27-1960441a4e21/sv-benchmarks/c/eca-rers2012/Problem01_label17_true-unreach-call_false-termination.c [2018-12-02 20:34:24,200 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_ea22fa94-3dca-48d1-8f27-1960441a4e21/bin-2019/uautomizer/data/fd2bfec31/290ebf80f56a49aaaea46f593f3c40fa/FLAG40106e89d [2018-12-02 20:34:24,208 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_ea22fa94-3dca-48d1-8f27-1960441a4e21/bin-2019/uautomizer/data/fd2bfec31/290ebf80f56a49aaaea46f593f3c40fa [2018-12-02 20:34:24,210 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-02 20:34:24,211 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-02 20:34:24,211 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-02 20:34:24,211 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-02 20:34:24,213 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-02 20:34:24,214 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 08:34:24" (1/1) ... [2018-12-02 20:34:24,215 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6ba821c7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:34:24, skipping insertion in model container [2018-12-02 20:34:24,215 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 08:34:24" (1/1) ... [2018-12-02 20:34:24,220 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-02 20:34:24,243 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-02 20:34:24,413 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 20:34:24,416 INFO L191 MainTranslator]: Completed pre-run [2018-12-02 20:34:24,496 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 20:34:24,505 INFO L195 MainTranslator]: Completed translation [2018-12-02 20:34:24,505 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:34:24 WrapperNode [2018-12-02 20:34:24,505 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-02 20:34:24,506 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-02 20:34:24,506 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-02 20:34:24,506 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-02 20:34:24,511 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:34:24" (1/1) ... [2018-12-02 20:34:24,520 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:34:24" (1/1) ... [2018-12-02 20:34:24,525 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-02 20:34:24,525 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-02 20:34:24,525 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-02 20:34:24,525 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-02 20:34:24,531 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:34:24" (1/1) ... [2018-12-02 20:34:24,531 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:34:24" (1/1) ... [2018-12-02 20:34:24,533 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:34:24" (1/1) ... [2018-12-02 20:34:24,534 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:34:24" (1/1) ... [2018-12-02 20:34:24,549 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:34:24" (1/1) ... [2018-12-02 20:34:24,555 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:34:24" (1/1) ... [2018-12-02 20:34:24,558 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:34:24" (1/1) ... [2018-12-02 20:34:24,561 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-02 20:34:24,562 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-02 20:34:24,562 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-02 20:34:24,562 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-02 20:34:24,563 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:34:24" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_ea22fa94-3dca-48d1-8f27-1960441a4e21/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 [2018-12-02 20:34:24,595 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-12-02 20:34:24,595 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-12-02 20:34:24,595 INFO L130 BoogieDeclarations]: Found specification of procedure calculate_output [2018-12-02 20:34:24,595 INFO L138 BoogieDeclarations]: Found implementation of procedure calculate_output [2018-12-02 20:34:24,595 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-02 20:34:24,596 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-02 20:34:24,596 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-12-02 20:34:24,596 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-12-02 20:34:25,142 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-02 20:34:25,143 INFO L280 CfgBuilder]: Removed 1 assue(true) statements. [2018-12-02 20:34:25,143 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 08:34:25 BoogieIcfgContainer [2018-12-02 20:34:25,143 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-02 20:34:25,144 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-12-02 20:34:25,144 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-12-02 20:34:25,147 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-12-02 20:34:25,147 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 02.12 08:34:24" (1/3) ... [2018-12-02 20:34:25,147 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1defa1f0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 08:34:25, skipping insertion in model container [2018-12-02 20:34:25,148 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 08:34:24" (2/3) ... [2018-12-02 20:34:25,148 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1defa1f0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 02.12 08:34:25, skipping insertion in model container [2018-12-02 20:34:25,148 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 08:34:25" (3/3) ... [2018-12-02 20:34:25,149 INFO L112 eAbstractionObserver]: Analyzing ICFG Problem01_label17_true-unreach-call_false-termination.c [2018-12-02 20:34:25,157 INFO L156 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-12-02 20:34:25,163 INFO L168 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-12-02 20:34:25,172 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-12-02 20:34:25,193 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-12-02 20:34:25,193 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-12-02 20:34:25,193 INFO L383 AbstractCegarLoop]: Hoare is true [2018-12-02 20:34:25,194 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-12-02 20:34:25,194 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-12-02 20:34:25,194 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-12-02 20:34:25,194 INFO L387 AbstractCegarLoop]: Difference is false [2018-12-02 20:34:25,194 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-12-02 20:34:25,194 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-12-02 20:34:25,207 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states. [2018-12-02 20:34:25,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2018-12-02 20:34:25,214 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 20:34:25,214 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] [2018-12-02 20:34:25,216 INFO L423 AbstractCegarLoop]: === Iteration 1 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 20:34:25,220 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 20:34:25,220 INFO L82 PathProgramCache]: Analyzing trace with hash -1778503114, now seen corresponding path program 1 times [2018-12-02 20:34:25,221 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 20:34:25,221 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 20:34:25,251 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 20:34:25,252 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 20:34:25,252 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 20:34:25,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 20:34:25,479 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 20:34:25,481 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 20:34:25,482 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-02 20:34:25,486 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-02 20:34:25,496 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-02 20:34:25,496 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-02 20:34:25,498 INFO L87 Difference]: Start difference. First operand 207 states. Second operand 3 states. [2018-12-02 20:34:25,914 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 20:34:25,914 INFO L93 Difference]: Finished difference Result 547 states and 938 transitions. [2018-12-02 20:34:25,914 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-02 20:34:25,915 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 122 [2018-12-02 20:34:25,916 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 20:34:25,925 INFO L225 Difference]: With dead ends: 547 [2018-12-02 20:34:25,925 INFO L226 Difference]: Without dead ends: 278 [2018-12-02 20:34:25,929 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 [2018-12-02 20:34:25,940 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 278 states. [2018-12-02 20:34:25,971 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 278 to 278. [2018-12-02 20:34:25,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 278 states. [2018-12-02 20:34:25,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 278 states to 278 states and 412 transitions. [2018-12-02 20:34:25,974 INFO L78 Accepts]: Start accepts. Automaton has 278 states and 412 transitions. Word has length 122 [2018-12-02 20:34:25,974 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 20:34:25,975 INFO L480 AbstractCegarLoop]: Abstraction has 278 states and 412 transitions. [2018-12-02 20:34:25,975 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-02 20:34:25,975 INFO L276 IsEmpty]: Start isEmpty. Operand 278 states and 412 transitions. [2018-12-02 20:34:25,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2018-12-02 20:34:25,978 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 20:34:25,978 INFO L402 BasicCegarLoop]: trace histogram [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] [2018-12-02 20:34:25,979 INFO L423 AbstractCegarLoop]: === Iteration 2 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 20:34:25,979 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 20:34:25,979 INFO L82 PathProgramCache]: Analyzing trace with hash -850587645, now seen corresponding path program 1 times [2018-12-02 20:34:25,979 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 20:34:25,979 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 20:34:25,980 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 20:34:25,980 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 20:34:25,980 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 20:34:26,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 20:34:26,122 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 20:34:26,122 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 20:34:26,122 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-02 20:34:26,123 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-02 20:34:26,123 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-02 20:34:26,123 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-02 20:34:26,124 INFO L87 Difference]: Start difference. First operand 278 states and 412 transitions. Second operand 3 states. [2018-12-02 20:34:26,382 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 20:34:26,382 INFO L93 Difference]: Finished difference Result 820 states and 1233 transitions. [2018-12-02 20:34:26,383 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-02 20:34:26,383 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 139 [2018-12-02 20:34:26,383 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 20:34:26,385 INFO L225 Difference]: With dead ends: 820 [2018-12-02 20:34:26,385 INFO L226 Difference]: Without dead ends: 548 [2018-12-02 20:34:26,386 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 [2018-12-02 20:34:26,387 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 548 states. [2018-12-02 20:34:26,397 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 548 to 413. [2018-12-02 20:34:26,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 413 states. [2018-12-02 20:34:26,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 413 states to 413 states and 593 transitions. [2018-12-02 20:34:26,399 INFO L78 Accepts]: Start accepts. Automaton has 413 states and 593 transitions. Word has length 139 [2018-12-02 20:34:26,399 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 20:34:26,399 INFO L480 AbstractCegarLoop]: Abstraction has 413 states and 593 transitions. [2018-12-02 20:34:26,399 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-02 20:34:26,399 INFO L276 IsEmpty]: Start isEmpty. Operand 413 states and 593 transitions. [2018-12-02 20:34:26,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2018-12-02 20:34:26,401 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 20:34:26,402 INFO L402 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, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 20:34:26,402 INFO L423 AbstractCegarLoop]: === Iteration 3 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 20:34:26,402 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 20:34:26,402 INFO L82 PathProgramCache]: Analyzing trace with hash 252066703, now seen corresponding path program 1 times [2018-12-02 20:34:26,402 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 20:34:26,402 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 20:34:26,403 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 20:34:26,403 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 20:34:26,403 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 20:34:26,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 20:34:26,473 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 20:34:26,473 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 20:34:26,473 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2018-12-02 20:34:26,474 INFO L459 AbstractCegarLoop]: Interpolant automaton has 6 states [2018-12-02 20:34:26,474 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2018-12-02 20:34:26,474 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2018-12-02 20:34:26,474 INFO L87 Difference]: Start difference. First operand 413 states and 593 transitions. Second operand 6 states. [2018-12-02 20:34:26,879 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 20:34:26,879 INFO L93 Difference]: Finished difference Result 1116 states and 1631 transitions. [2018-12-02 20:34:26,880 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2018-12-02 20:34:26,880 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 165 [2018-12-02 20:34:26,880 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 20:34:26,883 INFO L225 Difference]: With dead ends: 1116 [2018-12-02 20:34:26,883 INFO L226 Difference]: Without dead ends: 709 [2018-12-02 20:34:26,884 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 10 GetRequests, 2 SyntacticMatches, 1 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2018-12-02 20:34:26,884 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 709 states. [2018-12-02 20:34:26,906 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 709 to 699. [2018-12-02 20:34:26,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 699 states. [2018-12-02 20:34:26,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 699 states to 699 states and 950 transitions. [2018-12-02 20:34:26,910 INFO L78 Accepts]: Start accepts. Automaton has 699 states and 950 transitions. Word has length 165 [2018-12-02 20:34:26,910 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 20:34:26,910 INFO L480 AbstractCegarLoop]: Abstraction has 699 states and 950 transitions. [2018-12-02 20:34:26,910 INFO L481 AbstractCegarLoop]: Interpolant automaton has 6 states. [2018-12-02 20:34:26,910 INFO L276 IsEmpty]: Start isEmpty. Operand 699 states and 950 transitions. [2018-12-02 20:34:26,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2018-12-02 20:34:26,914 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 20:34:26,914 INFO L402 BasicCegarLoop]: trace histogram [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, 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] [2018-12-02 20:34:26,914 INFO L423 AbstractCegarLoop]: === Iteration 4 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 20:34:26,914 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 20:34:26,915 INFO L82 PathProgramCache]: Analyzing trace with hash -159860650, now seen corresponding path program 1 times [2018-12-02 20:34:26,915 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 20:34:26,915 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 20:34:26,916 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 20:34:26,916 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 20:34:26,916 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 20:34:26,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 20:34:27,016 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 57 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 20:34:27,016 INFO L300 seRefinementStrategy]: The current sequences of interpolants are not accepted, trying to find more. [2018-12-02 20:34:27,016 INFO L223 ckRefinementStrategy]: Switched to mode Z3_FP No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_ea22fa94-3dca-48d1-8f27-1960441a4e21/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 [2018-12-02 20:34:27,023 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 20:34:27,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 20:34:27,086 INFO L273 TraceCheckSpWp]: Computing forward predicates... [2018-12-02 20:34:27,143 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 57 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 20:34:27,159 INFO L312 seRefinementStrategy]: Constructing automaton from 0 perfect and 2 imperfect interpolant sequences. [2018-12-02 20:34:27,159 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [] imperfect sequences [6, 5] total 9 [2018-12-02 20:34:27,160 INFO L459 AbstractCegarLoop]: Interpolant automaton has 9 states [2018-12-02 20:34:27,160 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 9 interpolants. [2018-12-02 20:34:27,160 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=17, Invalid=55, Unknown=0, NotChecked=0, Total=72 [2018-12-02 20:34:27,160 INFO L87 Difference]: Start difference. First operand 699 states and 950 transitions. Second operand 9 states. [2018-12-02 20:34:28,404 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 20:34:28,404 INFO L93 Difference]: Finished difference Result 2535 states and 3976 transitions. [2018-12-02 20:34:28,404 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 30 states. [2018-12-02 20:34:28,405 INFO L78 Accepts]: Start accepts. Automaton has 9 states. Word has length 176 [2018-12-02 20:34:28,405 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 20:34:28,413 INFO L225 Difference]: With dead ends: 2535 [2018-12-02 20:34:28,413 INFO L226 Difference]: Without dead ends: 1842 [2018-12-02 20:34:28,415 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 220 GetRequests, 189 SyntacticMatches, 0 SemanticMatches, 31 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 255 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=240, Invalid=816, Unknown=0, NotChecked=0, Total=1056 [2018-12-02 20:34:28,417 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1842 states. [2018-12-02 20:34:28,456 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1842 to 1416. [2018-12-02 20:34:28,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1416 states. [2018-12-02 20:34:28,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1416 states to 1416 states and 1782 transitions. [2018-12-02 20:34:28,459 INFO L78 Accepts]: Start accepts. Automaton has 1416 states and 1782 transitions. Word has length 176 [2018-12-02 20:34:28,459 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 20:34:28,459 INFO L480 AbstractCegarLoop]: Abstraction has 1416 states and 1782 transitions. [2018-12-02 20:34:28,459 INFO L481 AbstractCegarLoop]: Interpolant automaton has 9 states. [2018-12-02 20:34:28,460 INFO L276 IsEmpty]: Start isEmpty. Operand 1416 states and 1782 transitions. [2018-12-02 20:34:28,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2018-12-02 20:34:28,462 INFO L394 BasicCegarLoop]: Found error trace [2018-12-02 20:34:28,462 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, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-12-02 20:34:28,463 INFO L423 AbstractCegarLoop]: === Iteration 5 === [calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-12-02 20:34:28,463 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 20:34:28,463 INFO L82 PathProgramCache]: Analyzing trace with hash -1189492770, now seen corresponding path program 1 times [2018-12-02 20:34:28,463 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-12-02 20:34:28,463 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-12-02 20:34:28,464 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 20:34:28,464 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-12-02 20:34:28,464 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-12-02 20:34:28,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 20:34:28,529 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-12-02 20:34:28,529 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-12-02 20:34:28,529 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-12-02 20:34:28,529 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-12-02 20:34:28,529 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-12-02 20:34:28,529 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-02 20:34:28,530 INFO L87 Difference]: Start difference. First operand 1416 states and 1782 transitions. Second operand 3 states. [2018-12-02 20:34:28,850 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-12-02 20:34:28,850 INFO L93 Difference]: Finished difference Result 3646 states and 4656 transitions. [2018-12-02 20:34:28,851 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-12-02 20:34:28,851 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 180 [2018-12-02 20:34:28,852 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-12-02 20:34:28,852 INFO L225 Difference]: With dead ends: 3646 [2018-12-02 20:34:28,852 INFO L226 Difference]: Without dead ends: 0 [2018-12-02 20:34:28,857 INFO L631 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 3 SyntacticMatches, 1 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-12-02 20:34:28,857 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-12-02 20:34:28,858 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-12-02 20:34:28,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-12-02 20:34:28,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-12-02 20:34:28,858 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 180 [2018-12-02 20:34:28,858 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-12-02 20:34:28,858 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-12-02 20:34:28,858 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-12-02 20:34:28,858 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-12-02 20:34:28,859 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-02 20:34:28,862 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-12-02 20:34:28,897 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 20:34:28,904 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 20:34:28,905 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 20:34:28,907 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 20:34:28,937 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 20:34:28,940 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 20:34:28,942 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 20:34:28,944 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 20:34:28,952 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 20:34:28,961 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 20:34:28,963 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 20:34:28,966 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 20:34:28,978 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 20:34:28,981 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 20:34:28,984 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 20:34:28,985 WARN L250 erpolLogProxyWrapper]: Already inconsistent. [2018-12-02 20:34:29,158 WARN L180 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 39 [2018-12-02 20:34:29,219 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initFINAL(line -1) no Hoare annotation was computed. [2018-12-02 20:34:29,220 INFO L444 ceAbstractionStarter]: At program point ULTIMATE.initENTRY(line -1) the Hoare annotation is: (and (<= ~a16~0 |old(~a16~0)|) (= |old(~a8~0)| ~a8~0) (= ~a21~0 |old(~a21~0)|)) [2018-12-02 20:34:29,220 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-12-02 20:34:29,220 INFO L448 ceAbstractionStarter]: For program point L333(lines 333 390) no Hoare annotation was computed. [2018-12-02 20:34:29,220 INFO L448 ceAbstractionStarter]: For program point L102(lines 102 390) no Hoare annotation was computed. [2018-12-02 20:34:29,220 INFO L448 ceAbstractionStarter]: For program point L565-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 20:34:29,220 INFO L448 ceAbstractionStarter]: For program point L532-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 20:34:29,220 INFO L448 ceAbstractionStarter]: For program point L499-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 20:34:29,220 INFO L448 ceAbstractionStarter]: For program point L466-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 20:34:29,220 INFO L448 ceAbstractionStarter]: For program point L433-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 20:34:29,220 INFO L448 ceAbstractionStarter]: For program point L400-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 20:34:29,220 INFO L448 ceAbstractionStarter]: For program point L268(lines 268 390) no Hoare annotation was computed. [2018-12-02 20:34:29,220 INFO L448 ceAbstractionStarter]: For program point L136(lines 136 390) no Hoare annotation was computed. [2018-12-02 20:34:29,220 INFO L448 ceAbstractionStarter]: For program point L566(line 566) no Hoare annotation was computed. [2018-12-02 20:34:29,221 INFO L448 ceAbstractionStarter]: For program point L533(line 533) no Hoare annotation was computed. [2018-12-02 20:34:29,221 INFO L448 ceAbstractionStarter]: For program point L500(line 500) no Hoare annotation was computed. [2018-12-02 20:34:29,221 INFO L448 ceAbstractionStarter]: For program point L467(line 467) no Hoare annotation was computed. [2018-12-02 20:34:29,221 INFO L448 ceAbstractionStarter]: For program point L434(line 434) no Hoare annotation was computed. [2018-12-02 20:34:29,221 INFO L448 ceAbstractionStarter]: For program point L401(line 401) no Hoare annotation was computed. [2018-12-02 20:34:29,221 INFO L448 ceAbstractionStarter]: For program point L203(lines 203 390) no Hoare annotation was computed. [2018-12-02 20:34:29,221 INFO L448 ceAbstractionStarter]: For program point L72(lines 72 390) no Hoare annotation was computed. [2018-12-02 20:34:29,221 INFO L448 ceAbstractionStarter]: For program point L568-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 20:34:29,221 INFO L448 ceAbstractionStarter]: For program point L535-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 20:34:29,221 INFO L448 ceAbstractionStarter]: For program point L502-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 20:34:29,222 INFO L448 ceAbstractionStarter]: For program point L469-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 20:34:29,222 INFO L448 ceAbstractionStarter]: For program point L436-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 20:34:29,222 INFO L448 ceAbstractionStarter]: For program point L403-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 20:34:29,222 INFO L448 ceAbstractionStarter]: For program point L337(lines 337 390) no Hoare annotation was computed. [2018-12-02 20:34:29,222 INFO L448 ceAbstractionStarter]: For program point L238(lines 238 390) no Hoare annotation was computed. [2018-12-02 20:34:29,222 INFO L448 ceAbstractionStarter]: For program point L569(line 569) no Hoare annotation was computed. [2018-12-02 20:34:29,222 INFO L448 ceAbstractionStarter]: For program point L536(line 536) no Hoare annotation was computed. [2018-12-02 20:34:29,222 INFO L448 ceAbstractionStarter]: For program point L503(line 503) no Hoare annotation was computed. [2018-12-02 20:34:29,222 INFO L448 ceAbstractionStarter]: For program point L470(line 470) no Hoare annotation was computed. [2018-12-02 20:34:29,222 INFO L448 ceAbstractionStarter]: For program point L437(line 437) no Hoare annotation was computed. [2018-12-02 20:34:29,222 INFO L448 ceAbstractionStarter]: For program point L404(line 404) no Hoare annotation was computed. [2018-12-02 20:34:29,222 INFO L448 ceAbstractionStarter]: For program point L173(lines 173 390) no Hoare annotation was computed. [2018-12-02 20:34:29,223 INFO L448 ceAbstractionStarter]: For program point L140(lines 140 390) no Hoare annotation was computed. [2018-12-02 20:34:29,223 INFO L448 ceAbstractionStarter]: For program point L372(lines 372 390) no Hoare annotation was computed. [2018-12-02 20:34:29,223 INFO L448 ceAbstractionStarter]: For program point L306(lines 306 390) no Hoare annotation was computed. [2018-12-02 20:34:29,223 INFO L448 ceAbstractionStarter]: For program point L273(lines 273 390) no Hoare annotation was computed. [2018-12-02 20:34:29,223 INFO L448 ceAbstractionStarter]: For program point L108(lines 108 390) no Hoare annotation was computed. [2018-12-02 20:34:29,223 INFO L448 ceAbstractionStarter]: For program point L571-1(lines 571 573) no Hoare annotation was computed. [2018-12-02 20:34:29,223 INFO L448 ceAbstractionStarter]: For program point L538-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 20:34:29,223 INFO L448 ceAbstractionStarter]: For program point L505-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 20:34:29,223 INFO L448 ceAbstractionStarter]: For program point L472-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 20:34:29,223 INFO L448 ceAbstractionStarter]: For program point L439-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 20:34:29,223 INFO L448 ceAbstractionStarter]: For program point L406-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 20:34:29,223 INFO L448 ceAbstractionStarter]: For program point L208(lines 208 390) no Hoare annotation was computed. [2018-12-02 20:34:29,224 INFO L448 ceAbstractionStarter]: For program point L43(lines 43 390) no Hoare annotation was computed. [2018-12-02 20:34:29,224 INFO L448 ceAbstractionStarter]: For program point L572(line 572) no Hoare annotation was computed. [2018-12-02 20:34:29,224 INFO L448 ceAbstractionStarter]: For program point L539(line 539) no Hoare annotation was computed. [2018-12-02 20:34:29,224 INFO L448 ceAbstractionStarter]: For program point L506(line 506) no Hoare annotation was computed. [2018-12-02 20:34:29,224 INFO L448 ceAbstractionStarter]: For program point L473(line 473) no Hoare annotation was computed. [2018-12-02 20:34:29,224 INFO L448 ceAbstractionStarter]: For program point L440(line 440) no Hoare annotation was computed. [2018-12-02 20:34:29,224 INFO L448 ceAbstractionStarter]: For program point L407(line 407) no Hoare annotation was computed. [2018-12-02 20:34:29,224 INFO L448 ceAbstractionStarter]: For program point L144(lines 144 390) no Hoare annotation was computed. [2018-12-02 20:34:29,224 INFO L448 ceAbstractionStarter]: For program point L541-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 20:34:29,224 INFO L448 ceAbstractionStarter]: For program point L508-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 20:34:29,224 INFO L448 ceAbstractionStarter]: For program point L475-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 20:34:29,224 INFO L448 ceAbstractionStarter]: For program point L442-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 20:34:29,224 INFO L448 ceAbstractionStarter]: For program point L409-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 20:34:29,225 INFO L448 ceAbstractionStarter]: For program point L178(lines 178 390) no Hoare annotation was computed. [2018-12-02 20:34:29,225 INFO L448 ceAbstractionStarter]: For program point L542(line 542) no Hoare annotation was computed. [2018-12-02 20:34:29,225 INFO L448 ceAbstractionStarter]: For program point L509(line 509) no Hoare annotation was computed. [2018-12-02 20:34:29,225 INFO L448 ceAbstractionStarter]: For program point L476(line 476) no Hoare annotation was computed. [2018-12-02 20:34:29,225 INFO L448 ceAbstractionStarter]: For program point L443(line 443) no Hoare annotation was computed. [2018-12-02 20:34:29,225 INFO L448 ceAbstractionStarter]: For program point L410(line 410) no Hoare annotation was computed. [2018-12-02 20:34:29,225 INFO L448 ceAbstractionStarter]: For program point L377(lines 377 390) no Hoare annotation was computed. [2018-12-02 20:34:29,225 INFO L448 ceAbstractionStarter]: For program point L278(lines 278 390) no Hoare annotation was computed. [2018-12-02 20:34:29,225 INFO L448 ceAbstractionStarter]: For program point L245(lines 245 390) no Hoare annotation was computed. [2018-12-02 20:34:29,225 INFO L448 ceAbstractionStarter]: For program point L80(lines 80 390) no Hoare annotation was computed. [2018-12-02 20:34:29,225 INFO L448 ceAbstractionStarter]: For program point L345(lines 345 390) no Hoare annotation was computed. [2018-12-02 20:34:29,225 INFO L448 ceAbstractionStarter]: For program point L312(lines 312 390) no Hoare annotation was computed. [2018-12-02 20:34:29,226 INFO L448 ceAbstractionStarter]: For program point L114(lines 114 390) no Hoare annotation was computed. [2018-12-02 20:34:29,226 INFO L448 ceAbstractionStarter]: For program point L544-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 20:34:29,226 INFO L448 ceAbstractionStarter]: For program point L511-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 20:34:29,226 INFO L448 ceAbstractionStarter]: For program point L478-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 20:34:29,226 INFO L448 ceAbstractionStarter]: For program point L445-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 20:34:29,226 INFO L448 ceAbstractionStarter]: For program point L412-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 20:34:29,226 INFO L448 ceAbstractionStarter]: For program point L214(lines 214 390) no Hoare annotation was computed. [2018-12-02 20:34:29,226 INFO L448 ceAbstractionStarter]: For program point L148(lines 148 390) no Hoare annotation was computed. [2018-12-02 20:34:29,226 INFO L448 ceAbstractionStarter]: For program point L49(lines 49 390) no Hoare annotation was computed. [2018-12-02 20:34:29,226 INFO L448 ceAbstractionStarter]: For program point L545(line 545) no Hoare annotation was computed. [2018-12-02 20:34:29,226 INFO L448 ceAbstractionStarter]: For program point L512(line 512) no Hoare annotation was computed. [2018-12-02 20:34:29,226 INFO L448 ceAbstractionStarter]: For program point L479(line 479) no Hoare annotation was computed. [2018-12-02 20:34:29,226 INFO L448 ceAbstractionStarter]: For program point L446(line 446) no Hoare annotation was computed. [2018-12-02 20:34:29,226 INFO L448 ceAbstractionStarter]: For program point L413(line 413) no Hoare annotation was computed. [2018-12-02 20:34:29,227 INFO L448 ceAbstractionStarter]: For program point L84(lines 84 390) no Hoare annotation was computed. [2018-12-02 20:34:29,227 INFO L448 ceAbstractionStarter]: For program point calculate_outputFINAL(lines 30 575) no Hoare annotation was computed. [2018-12-02 20:34:29,227 INFO L448 ceAbstractionStarter]: For program point calculate_outputEXIT(lines 30 575) no Hoare annotation was computed. [2018-12-02 20:34:29,227 INFO L448 ceAbstractionStarter]: For program point L547-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 20:34:29,227 INFO L448 ceAbstractionStarter]: For program point L514-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 20:34:29,227 INFO L448 ceAbstractionStarter]: For program point L481-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 20:34:29,227 INFO L448 ceAbstractionStarter]: For program point L448-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 20:34:29,227 INFO L448 ceAbstractionStarter]: For program point L382(lines 382 390) no Hoare annotation was computed. [2018-12-02 20:34:29,227 INFO L448 ceAbstractionStarter]: For program point L415-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 20:34:29,227 INFO L448 ceAbstractionStarter]: For program point L316(lines 316 390) no Hoare annotation was computed. [2018-12-02 20:34:29,227 INFO L448 ceAbstractionStarter]: For program point L250(lines 250 390) no Hoare annotation was computed. [2018-12-02 20:34:29,227 INFO L448 ceAbstractionStarter]: For program point L548(line 548) no Hoare annotation was computed. [2018-12-02 20:34:29,227 INFO L448 ceAbstractionStarter]: For program point L515(line 515) no Hoare annotation was computed. [2018-12-02 20:34:29,227 INFO L448 ceAbstractionStarter]: For program point L482(line 482) no Hoare annotation was computed. [2018-12-02 20:34:29,227 INFO L448 ceAbstractionStarter]: For program point L449(line 449) no Hoare annotation was computed. [2018-12-02 20:34:29,227 INFO L448 ceAbstractionStarter]: For program point L416(line 416) no Hoare annotation was computed. [2018-12-02 20:34:29,227 INFO L448 ceAbstractionStarter]: For program point L218(lines 218 390) no Hoare annotation was computed. [2018-12-02 20:34:29,227 INFO L448 ceAbstractionStarter]: For program point L152(lines 152 390) no Hoare annotation was computed. [2018-12-02 20:34:29,227 INFO L448 ceAbstractionStarter]: For program point L119(lines 119 390) no Hoare annotation was computed. [2018-12-02 20:34:29,227 INFO L448 ceAbstractionStarter]: For program point L318(lines 318 390) no Hoare annotation was computed. [2018-12-02 20:34:29,228 INFO L448 ceAbstractionStarter]: For program point L186(lines 186 390) no Hoare annotation was computed. [2018-12-02 20:34:29,228 INFO L448 ceAbstractionStarter]: For program point L54(lines 54 390) no Hoare annotation was computed. [2018-12-02 20:34:29,228 INFO L448 ceAbstractionStarter]: For program point L550-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 20:34:29,228 INFO L448 ceAbstractionStarter]: For program point L517-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 20:34:29,228 INFO L448 ceAbstractionStarter]: For program point L484-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 20:34:29,228 INFO L448 ceAbstractionStarter]: For program point L451-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 20:34:29,228 INFO L448 ceAbstractionStarter]: For program point L418-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 20:34:29,228 INFO L448 ceAbstractionStarter]: For program point L286(lines 286 390) no Hoare annotation was computed. [2018-12-02 20:34:29,228 INFO L448 ceAbstractionStarter]: For program point L551(line 551) no Hoare annotation was computed. [2018-12-02 20:34:29,228 INFO L448 ceAbstractionStarter]: For program point L518(line 518) no Hoare annotation was computed. [2018-12-02 20:34:29,228 INFO L448 ceAbstractionStarter]: For program point L485(line 485) no Hoare annotation was computed. [2018-12-02 20:34:29,228 INFO L448 ceAbstractionStarter]: For program point L452(line 452) no Hoare annotation was computed. [2018-12-02 20:34:29,228 INFO L448 ceAbstractionStarter]: For program point L419(line 419) no Hoare annotation was computed. [2018-12-02 20:34:29,228 INFO L448 ceAbstractionStarter]: For program point L353(lines 353 390) no Hoare annotation was computed. [2018-12-02 20:34:29,228 INFO L448 ceAbstractionStarter]: For program point L189(lines 189 390) no Hoare annotation was computed. [2018-12-02 20:34:29,228 INFO L448 ceAbstractionStarter]: For program point L553-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 20:34:29,228 INFO L448 ceAbstractionStarter]: For program point L520-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 20:34:29,228 INFO L448 ceAbstractionStarter]: For program point L487-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 20:34:29,228 INFO L448 ceAbstractionStarter]: For program point L454-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 20:34:29,229 INFO L448 ceAbstractionStarter]: For program point L421-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 20:34:29,229 INFO L448 ceAbstractionStarter]: For program point L355(lines 355 390) no Hoare annotation was computed. [2018-12-02 20:34:29,229 INFO L448 ceAbstractionStarter]: For program point L256(lines 256 390) no Hoare annotation was computed. [2018-12-02 20:34:29,229 INFO L448 ceAbstractionStarter]: For program point L223(lines 223 390) no Hoare annotation was computed. [2018-12-02 20:34:29,229 INFO L448 ceAbstractionStarter]: For program point L124(lines 124 390) no Hoare annotation was computed. [2018-12-02 20:34:29,229 INFO L448 ceAbstractionStarter]: For program point L554(line 554) no Hoare annotation was computed. [2018-12-02 20:34:29,229 INFO L448 ceAbstractionStarter]: For program point L521(line 521) no Hoare annotation was computed. [2018-12-02 20:34:29,229 INFO L448 ceAbstractionStarter]: For program point L488(line 488) no Hoare annotation was computed. [2018-12-02 20:34:29,229 INFO L448 ceAbstractionStarter]: For program point L455(line 455) no Hoare annotation was computed. [2018-12-02 20:34:29,229 INFO L448 ceAbstractionStarter]: For program point L422(line 422) no Hoare annotation was computed. [2018-12-02 20:34:29,229 INFO L448 ceAbstractionStarter]: For program point L92(lines 92 390) no Hoare annotation was computed. [2018-12-02 20:34:29,229 INFO L448 ceAbstractionStarter]: For program point calculate_outputErr0ASSERT_VIOLATIONERROR_FUNCTION(line 524) no Hoare annotation was computed. [2018-12-02 20:34:29,229 INFO L444 ceAbstractionStarter]: At program point calculate_outputENTRY(lines 30 575) the Hoare annotation is: (let ((.cse3 (<= ~a16~0 |old(~a16~0)|)) (.cse4 (= |old(~a8~0)| ~a8~0)) (.cse5 (= ~a21~0 |old(~a21~0)|))) (let ((.cse0 (not (= 1 |old(~a20~0)|))) (.cse8 (and .cse3 .cse4 .cse5)) (.cse10 (= 14 |old(~a8~0)|)) (.cse7 (= 13 |old(~a8~0)|)) (.cse2 (not (= ~a17~0 1))) (.cse6 (not (= 1 |old(~a21~0)|))) (.cse9 (< 4 |old(~a16~0)|)) (.cse1 (= 1 |old(~a17~0)|))) (and (or .cse0 .cse1 .cse2) (or .cse0 (and .cse3 .cse4 (= 1 ~a20~0) .cse5)) (or .cse6 .cse7 (and .cse3 .cse4 .cse2 .cse5) .cse1) (or .cse8 .cse9 .cse10) (or .cse6 .cse8 .cse10 .cse7) (or .cse2 .cse6 .cse9 .cse1)))) [2018-12-02 20:34:29,229 INFO L448 ceAbstractionStarter]: For program point L324(lines 324 390) no Hoare annotation was computed. [2018-12-02 20:34:29,229 INFO L448 ceAbstractionStarter]: For program point L556-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 20:34:29,229 INFO L448 ceAbstractionStarter]: For program point L523-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 20:34:29,230 INFO L448 ceAbstractionStarter]: For program point L490-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 20:34:29,230 INFO L448 ceAbstractionStarter]: For program point L457-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 20:34:29,230 INFO L448 ceAbstractionStarter]: For program point L391(lines 391 393) no Hoare annotation was computed. [2018-12-02 20:34:29,230 INFO L448 ceAbstractionStarter]: For program point L424-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 20:34:29,230 INFO L448 ceAbstractionStarter]: For program point L391-2(lines 30 575) no Hoare annotation was computed. [2018-12-02 20:34:29,230 INFO L448 ceAbstractionStarter]: For program point L292(lines 292 390) no Hoare annotation was computed. [2018-12-02 20:34:29,230 INFO L448 ceAbstractionStarter]: For program point L160(lines 160 390) no Hoare annotation was computed. [2018-12-02 20:34:29,230 INFO L448 ceAbstractionStarter]: For program point L557(line 557) no Hoare annotation was computed. [2018-12-02 20:34:29,230 INFO L448 ceAbstractionStarter]: For program point L524(line 524) no Hoare annotation was computed. [2018-12-02 20:34:29,230 INFO L448 ceAbstractionStarter]: For program point L491(line 491) no Hoare annotation was computed. [2018-12-02 20:34:29,230 INFO L448 ceAbstractionStarter]: For program point L458(line 458) no Hoare annotation was computed. [2018-12-02 20:34:29,230 INFO L448 ceAbstractionStarter]: For program point L425(line 425) no Hoare annotation was computed. [2018-12-02 20:34:29,231 INFO L448 ceAbstractionStarter]: For program point L392(line 392) no Hoare annotation was computed. [2018-12-02 20:34:29,231 INFO L448 ceAbstractionStarter]: For program point L194(lines 194 390) no Hoare annotation was computed. [2018-12-02 20:34:29,231 INFO L448 ceAbstractionStarter]: For program point L62(lines 62 390) no Hoare annotation was computed. [2018-12-02 20:34:29,231 INFO L448 ceAbstractionStarter]: For program point L261(lines 261 390) no Hoare annotation was computed. [2018-12-02 20:34:29,231 INFO L448 ceAbstractionStarter]: For program point L129(lines 129 390) no Hoare annotation was computed. [2018-12-02 20:34:29,231 INFO L448 ceAbstractionStarter]: For program point L559-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 20:34:29,231 INFO L448 ceAbstractionStarter]: For program point L526-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 20:34:29,231 INFO L448 ceAbstractionStarter]: For program point L493-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 20:34:29,231 INFO L448 ceAbstractionStarter]: For program point L460-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 20:34:29,231 INFO L448 ceAbstractionStarter]: For program point L427-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 20:34:29,231 INFO L448 ceAbstractionStarter]: For program point L361(lines 361 390) no Hoare annotation was computed. [2018-12-02 20:34:29,231 INFO L448 ceAbstractionStarter]: For program point L394-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 20:34:29,232 INFO L448 ceAbstractionStarter]: For program point L97(lines 97 390) no Hoare annotation was computed. [2018-12-02 20:34:29,232 INFO L448 ceAbstractionStarter]: For program point L31(lines 31 390) no Hoare annotation was computed. [2018-12-02 20:34:29,232 INFO L448 ceAbstractionStarter]: For program point L560(line 560) no Hoare annotation was computed. [2018-12-02 20:34:29,232 INFO L448 ceAbstractionStarter]: For program point L527(line 527) no Hoare annotation was computed. [2018-12-02 20:34:29,232 INFO L448 ceAbstractionStarter]: For program point L494(line 494) no Hoare annotation was computed. [2018-12-02 20:34:29,232 INFO L448 ceAbstractionStarter]: For program point L461(line 461) no Hoare annotation was computed. [2018-12-02 20:34:29,232 INFO L448 ceAbstractionStarter]: For program point L428(line 428) no Hoare annotation was computed. [2018-12-02 20:34:29,232 INFO L448 ceAbstractionStarter]: For program point L395(line 395) no Hoare annotation was computed. [2018-12-02 20:34:29,232 INFO L448 ceAbstractionStarter]: For program point L329(lines 329 390) no Hoare annotation was computed. [2018-12-02 20:34:29,232 INFO L448 ceAbstractionStarter]: For program point L197(lines 197 390) no Hoare annotation was computed. [2018-12-02 20:34:29,232 INFO L448 ceAbstractionStarter]: For program point L65(lines 65 390) no Hoare annotation was computed. [2018-12-02 20:34:29,232 INFO L448 ceAbstractionStarter]: For program point L363(lines 363 390) no Hoare annotation was computed. [2018-12-02 20:34:29,233 INFO L448 ceAbstractionStarter]: For program point L231(lines 231 390) no Hoare annotation was computed. [2018-12-02 20:34:29,233 INFO L448 ceAbstractionStarter]: For program point L165(lines 165 390) no Hoare annotation was computed. [2018-12-02 20:34:29,233 INFO L448 ceAbstractionStarter]: For program point L562-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 20:34:29,233 INFO L448 ceAbstractionStarter]: For program point L529-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 20:34:29,233 INFO L448 ceAbstractionStarter]: For program point L496-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 20:34:29,233 INFO L448 ceAbstractionStarter]: For program point L463-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 20:34:29,233 INFO L448 ceAbstractionStarter]: For program point L430-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 20:34:29,233 INFO L448 ceAbstractionStarter]: For program point L397-1(lines 30 575) no Hoare annotation was computed. [2018-12-02 20:34:29,233 INFO L448 ceAbstractionStarter]: For program point L265(lines 265 390) no Hoare annotation was computed. [2018-12-02 20:34:29,233 INFO L448 ceAbstractionStarter]: For program point L563(line 563) no Hoare annotation was computed. [2018-12-02 20:34:29,233 INFO L448 ceAbstractionStarter]: For program point L530(line 530) no Hoare annotation was computed. [2018-12-02 20:34:29,233 INFO L448 ceAbstractionStarter]: For program point L497(line 497) no Hoare annotation was computed. [2018-12-02 20:34:29,233 INFO L448 ceAbstractionStarter]: For program point L464(line 464) no Hoare annotation was computed. [2018-12-02 20:34:29,233 INFO L448 ceAbstractionStarter]: For program point L431(line 431) no Hoare annotation was computed. [2018-12-02 20:34:29,233 INFO L448 ceAbstractionStarter]: For program point L398(line 398) no Hoare annotation was computed. [2018-12-02 20:34:29,234 INFO L448 ceAbstractionStarter]: For program point L365(lines 365 390) no Hoare annotation was computed. [2018-12-02 20:34:29,234 INFO L448 ceAbstractionStarter]: For program point L299(lines 299 390) no Hoare annotation was computed. [2018-12-02 20:34:29,234 INFO L448 ceAbstractionStarter]: For program point L35(lines 35 390) no Hoare annotation was computed. [2018-12-02 20:34:29,234 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-12-02 20:34:29,234 INFO L444 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: (and (= 1 ~a20~0) (= 1 ~a21~0) (not (= ~a8~0 14)) (not (= ~a8~0 13))) [2018-12-02 20:34:29,234 INFO L451 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-12-02 20:34:29,234 INFO L448 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-12-02 20:34:29,234 INFO L444 ceAbstractionStarter]: At program point mainENTRY(lines 577 594) the Hoare annotation is: (or (not (= 1 |old(~a21~0)|)) (not (= 1 |old(~a20~0)|)) (= 14 |old(~a8~0)|) (= 13 |old(~a8~0)|) (and (<= ~a16~0 |old(~a16~0)|) (= |old(~a8~0)| ~a8~0) (= 1 ~a20~0) (= ~a21~0 |old(~a21~0)|))) [2018-12-02 20:34:29,234 INFO L448 ceAbstractionStarter]: For program point mainEXIT(lines 577 594) no Hoare annotation was computed. [2018-12-02 20:34:29,234 INFO L444 ceAbstractionStarter]: At program point L591(line 591) the Hoare annotation is: (let ((.cse0 (= 1 ~a21~0)) (.cse2 (not (= ~a8~0 13))) (.cse1 (not (= ~a8~0 14)))) (or (not (= 1 |old(~a21~0)|)) (not (= 1 |old(~a20~0)|)) (= 1 ~a20~0) (and .cse0 .cse1 .cse2) (and .cse0 (not (= ~a17~0 1)) .cse2) (= 14 |old(~a8~0)|) (= 13 |old(~a8~0)|) (and .cse1 (<= ~a16~0 4)))) [2018-12-02 20:34:29,234 INFO L448 ceAbstractionStarter]: For program point L591-1(line 591) no Hoare annotation was computed. [2018-12-02 20:34:29,234 INFO L448 ceAbstractionStarter]: For program point L588(line 588) no Hoare annotation was computed. [2018-12-02 20:34:29,234 INFO L444 ceAbstractionStarter]: At program point L583-2(lines 583 593) the Hoare annotation is: (let ((.cse0 (= 1 ~a21~0)) (.cse2 (not (= ~a8~0 13))) (.cse1 (not (= ~a8~0 14)))) (or (not (= 1 |old(~a21~0)|)) (not (= 1 |old(~a20~0)|)) (= 1 ~a20~0) (and .cse0 .cse1 .cse2) (and .cse0 (not (= ~a17~0 1)) .cse2) (= 14 |old(~a8~0)|) (= 13 |old(~a8~0)|) (and .cse1 (<= ~a16~0 4)))) [2018-12-02 20:34:29,234 INFO L448 ceAbstractionStarter]: For program point L583-3(lines 577 594) no Hoare annotation was computed. [2018-12-02 20:34:29,245 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 02.12 08:34:29 BoogieIcfgContainer [2018-12-02 20:34:29,245 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-12-02 20:34:29,245 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-02 20:34:29,245 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-02 20:34:29,245 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-02 20:34:29,246 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 08:34:25" (3/4) ... [2018-12-02 20:34:29,249 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-02 20:34:29,255 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-12-02 20:34:29,255 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure calculate_output [2018-12-02 20:34:29,255 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-12-02 20:34:29,264 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-12-02 20:34:29,265 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-12-02 20:34:29,286 WARN L221 nessWitnessGenerator]: Not writing invariant because ACSL is forbidden: ((((((!(1 == \old(a21)) || !(1 == \old(a20))) || 1 == a20) || ((1 == a21 && !(a8 == 14)) && !(a8 == 13))) || ((1 == a21 && !(a17 == 1)) && !(a8 == 13))) || 14 == \old(a8)) || 13 == \old(a8)) || (!(a8 == 14) && a16 <= 4) [2018-12-02 20:34:29,364 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_ea22fa94-3dca-48d1-8f27-1960441a4e21/bin-2019/uautomizer/witness.graphml [2018-12-02 20:34:29,365 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-02 20:34:29,365 INFO L168 Benchmark]: Toolchain (without parser) took 5155.32 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 316.7 MB). Free memory was 951.7 MB in the beginning and 1.2 GB in the end (delta: -244.3 MB). Peak memory consumption was 72.3 MB. Max. memory is 11.5 GB. [2018-12-02 20:34:29,366 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 982.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 20:34:29,366 INFO L168 Benchmark]: CACSL2BoogieTranslator took 294.35 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 138.9 MB). Free memory was 951.7 MB in the beginning and 1.1 GB in the end (delta: -169.9 MB). Peak memory consumption was 38.2 MB. Max. memory is 11.5 GB. [2018-12-02 20:34:29,367 INFO L168 Benchmark]: Boogie Procedure Inliner took 18.99 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 20:34:29,367 INFO L168 Benchmark]: Boogie Preprocessor took 36.61 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. [2018-12-02 20:34:29,367 INFO L168 Benchmark]: RCFGBuilder took 581.31 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 104.3 MB). Peak memory consumption was 104.3 MB. Max. memory is 11.5 GB. [2018-12-02 20:34:29,367 INFO L168 Benchmark]: TraceAbstraction took 4101.26 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 177.7 MB). Free memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: -204.8 MB). Peak memory consumption was 367.3 MB. Max. memory is 11.5 GB. [2018-12-02 20:34:29,367 INFO L168 Benchmark]: Witness Printer took 119.56 ms. Allocated memory is still 1.3 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 19.2 MB). Peak memory consumption was 19.2 MB. Max. memory is 11.5 GB. [2018-12-02 20:34:29,369 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 982.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 294.35 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 138.9 MB). Free memory was 951.7 MB in the beginning and 1.1 GB in the end (delta: -169.9 MB). Peak memory consumption was 38.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 18.99 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 36.61 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. * RCFGBuilder took 581.31 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 104.3 MB). Peak memory consumption was 104.3 MB. Max. memory is 11.5 GB. * TraceAbstraction took 4101.26 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 177.7 MB). Free memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: -204.8 MB). Peak memory consumption was 367.3 MB. Max. memory is 11.5 GB. * Witness Printer took 119.56 ms. Allocated memory is still 1.3 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 19.2 MB). Peak memory consumption was 19.2 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 524]: 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: ((((((!(1 == \old(a21)) || !(1 == \old(a20))) || 1 == a20) || ((1 == a21 && !(a8 == 14)) && !(a8 == 13))) || ((1 == a21 && !(a17 == 1)) && !(a8 == 13))) || 14 == \old(a8)) || 13 == \old(a8)) || (!(a8 == 14) && a16 <= 4) - StatisticsResult: Ultimate Automizer benchmark data CFG has 4 procedures, 207 locations, 1 error locations. SAFE Result, 4.0s OverallTime, 5 OverallIterations, 3 TraceHistogramMax, 2.6s AutomataDifference, 0.0s DeadEndRemovalTime, 0.3s HoareAnnotationTime, HoareTripleCheckerStatistics: 374 SDtfs, 1829 SDslu, 242 SDs, 0 SdLazy, 3369 SolverSat, 879 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 244 GetRequests, 199 SyntacticMatches, 4 SemanticMatches, 41 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 259 ImplicationChecksByTransitivity, 0.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=1416occurred 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, 571 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 7 LocationsWithAnnotation, 43 PreInvPairs, 75 NumberOfFragments, 265 HoareAnnotationTreeSize, 43 FomulaSimplifications, 4926 FormulaSimplificationTreeSizeReduction, 0.1s HoareSimplificationTime, 7 FomulaSimplificationsInter, 622 FormulaSimplificationTreeSizeReductionInter, 0.2s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.4s InterpolantComputationTime, 958 NumberOfCodeBlocks, 958 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 952 ConstructedInterpolants, 0 QuantifiedInterpolants, 393469 SizeOfPredicates, 0 NumberOfNonLiveVariables, 472 ConjunctsInSsa, 4 ConjunctsInUnsatCore, 6 InterpolantComputations, 4 PerfectInterpolantSequences, 235/239 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...