./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/ssh-simplified/s3_srvr_1a_true-unreach-call_false-termination.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5842f4b8 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_acf939c1-24ac-4b99-9dc0-6f305963e931/bin-2019/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_acf939c1-24ac-4b99-9dc0-6f305963e931/bin-2019/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_acf939c1-24ac-4b99-9dc0-6f305963e931/bin-2019/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_acf939c1-24ac-4b99-9dc0-6f305963e931/bin-2019/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/ssh-simplified/s3_srvr_1a_true-unreach-call_false-termination.cil.c -s /tmp/vcloud-vcloud-master/worker/working_dir_acf939c1-24ac-4b99-9dc0-6f305963e931/bin-2019/uautomizer/config/svcomp-Reach-32bit-PetriAutomizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_acf939c1-24ac-4b99-9dc0-6f305963e931/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 253410f53553d69ef02e4dba1b07bb26de7bec75 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-5842f4b [2018-11-18 16:25:29,684 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 16:25:29,685 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 16:25:29,693 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 16:25:29,693 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 16:25:29,694 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 16:25:29,695 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 16:25:29,696 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 16:25:29,698 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 16:25:29,699 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 16:25:29,699 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 16:25:29,699 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 16:25:29,700 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 16:25:29,701 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 16:25:29,701 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 16:25:29,702 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 16:25:29,703 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 16:25:29,704 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 16:25:29,709 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 16:25:29,710 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 16:25:29,711 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 16:25:29,712 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 16:25:29,713 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 16:25:29,713 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 16:25:29,713 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 16:25:29,714 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 16:25:29,715 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 16:25:29,716 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 16:25:29,716 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 16:25:29,717 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 16:25:29,717 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 16:25:29,718 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 16:25:29,718 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 16:25:29,718 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 16:25:29,719 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 16:25:29,719 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 16:25:29,719 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_acf939c1-24ac-4b99-9dc0-6f305963e931/bin-2019/uautomizer/config/svcomp-Reach-32bit-PetriAutomizer_Default.epf [2018-11-18 16:25:29,733 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 16:25:29,734 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 16:25:29,734 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 16:25:29,734 INFO L133 SettingsManager]: * Process only entry and re-entry procedures=false [2018-11-18 16:25:29,735 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 16:25:29,735 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 16:25:29,735 INFO L133 SettingsManager]: * Use SBE=true [2018-11-18 16:25:29,735 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 16:25:29,735 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 16:25:29,735 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 16:25:29,736 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 16:25:29,736 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 16:25:29,736 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 16:25:29,736 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 16:25:29,736 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 16:25:29,736 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 16:25:29,736 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 16:25:29,736 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 16:25:29,736 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 16:25:29,736 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 16:25:29,737 INFO L133 SettingsManager]: * Size of a code block=SequenceOfStatements [2018-11-18 16:25:29,737 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 16:25:29,737 INFO L133 SettingsManager]: * SMT solver=External_DefaultMode [2018-11-18 16:25:29,737 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2018-11-18 16:25:29,737 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 16:25:29,737 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 16:25:29,737 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 16:25:29,737 INFO L133 SettingsManager]: * Trace refinement strategy=CAMEL [2018-11-18 16:25:29,737 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 16:25:29,737 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 16:25:29,737 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_acf939c1-24ac-4b99-9dc0-6f305963e931/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 -> 253410f53553d69ef02e4dba1b07bb26de7bec75 [2018-11-18 16:25:29,761 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 16:25:29,771 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 16:25:29,776 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 16:25:29,778 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 16:25:29,778 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 16:25:29,779 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_acf939c1-24ac-4b99-9dc0-6f305963e931/bin-2019/uautomizer/../../sv-benchmarks/c/ssh-simplified/s3_srvr_1a_true-unreach-call_false-termination.cil.c [2018-11-18 16:25:29,832 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_acf939c1-24ac-4b99-9dc0-6f305963e931/bin-2019/uautomizer/data/13f39e377/454ed1cf034d4a5b87f26e79d4d79498/FLAGd17ab5fbe [2018-11-18 16:25:30,166 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 16:25:30,166 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_acf939c1-24ac-4b99-9dc0-6f305963e931/sv-benchmarks/c/ssh-simplified/s3_srvr_1a_true-unreach-call_false-termination.cil.c [2018-11-18 16:25:30,172 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_acf939c1-24ac-4b99-9dc0-6f305963e931/bin-2019/uautomizer/data/13f39e377/454ed1cf034d4a5b87f26e79d4d79498/FLAGd17ab5fbe [2018-11-18 16:25:30,593 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_acf939c1-24ac-4b99-9dc0-6f305963e931/bin-2019/uautomizer/data/13f39e377/454ed1cf034d4a5b87f26e79d4d79498 [2018-11-18 16:25:30,596 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 16:25:30,597 INFO L131 ToolchainWalker]: Walking toolchain with 5 elements. [2018-11-18 16:25:30,598 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 16:25:30,598 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 16:25:30,601 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 16:25:30,602 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 04:25:30" (1/1) ... [2018-11-18 16:25:30,604 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@c595fd0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:25:30, skipping insertion in model container [2018-11-18 16:25:30,604 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 04:25:30" (1/1) ... [2018-11-18 16:25:30,612 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 16:25:30,633 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 16:25:30,775 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 16:25:30,779 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 16:25:30,798 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 16:25:30,809 INFO L195 MainTranslator]: Completed translation [2018-11-18 16:25:30,810 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:25:30 WrapperNode [2018-11-18 16:25:30,810 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 16:25:30,810 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 16:25:30,810 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 16:25:30,810 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 16:25:30,821 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:25:30" (1/1) ... [2018-11-18 16:25:30,822 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:25:30" (1/1) ... [2018-11-18 16:25:30,828 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:25:30" (1/1) ... [2018-11-18 16:25:30,828 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:25:30" (1/1) ... [2018-11-18 16:25:30,832 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:25:30" (1/1) ... [2018-11-18 16:25:30,837 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:25:30" (1/1) ... [2018-11-18 16:25:30,838 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:25:30" (1/1) ... [2018-11-18 16:25:30,840 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 16:25:30,840 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 16:25:30,840 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 16:25:30,840 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 16:25:30,842 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:25:30" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_acf939c1-24ac-4b99-9dc0-6f305963e931/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 [2018-11-18 16:25:30,950 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.init [2018-11-18 16:25:30,950 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 16:25:30,950 INFO L138 BoogieDeclarations]: Found implementation of procedure main [2018-11-18 16:25:30,950 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_error [2018-11-18 16:25:30,950 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_char [2018-11-18 16:25:30,950 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_int [2018-11-18 16:25:30,950 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_long [2018-11-18 16:25:30,950 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_nondet_pointer [2018-11-18 16:25:30,951 INFO L130 BoogieDeclarations]: Found specification of procedure main [2018-11-18 16:25:30,951 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.init [2018-11-18 16:25:30,951 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 16:25:31,295 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 16:25:31,295 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 04:25:31 BoogieIcfgContainer [2018-11-18 16:25:31,296 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 16:25:31,296 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2018-11-18 16:25:31,296 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2018-11-18 16:25:31,299 INFO L276 PluginConnector]: TraceAbstraction initialized [2018-11-18 16:25:31,299 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 18.11 04:25:30" (1/3) ... [2018-11-18 16:25:31,300 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@657d350 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 04:25:31, skipping insertion in model container [2018-11-18 16:25:31,300 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:25:30" (2/3) ... [2018-11-18 16:25:31,300 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@657d350 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 18.11 04:25:31, skipping insertion in model container [2018-11-18 16:25:31,300 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 04:25:31" (3/3) ... [2018-11-18 16:25:31,302 INFO L112 eAbstractionObserver]: Analyzing ICFG s3_srvr_1a_true-unreach-call_false-termination.cil.c [2018-11-18 16:25:31,310 INFO L136 ceAbstractionStarter]: Automizer settings: Hoare:true NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2018-11-18 16:25:31,317 INFO L148 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2018-11-18 16:25:31,331 INFO L257 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2018-11-18 16:25:31,357 INFO L133 ementStrategyFactory]: Using default assertion order modulation [2018-11-18 16:25:31,358 INFO L382 AbstractCegarLoop]: Interprodecural is true [2018-11-18 16:25:31,358 INFO L383 AbstractCegarLoop]: Hoare is true [2018-11-18 16:25:31,358 INFO L384 AbstractCegarLoop]: Compute interpolants for FPandBP [2018-11-18 16:25:31,358 INFO L385 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2018-11-18 16:25:31,359 INFO L386 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2018-11-18 16:25:31,359 INFO L387 AbstractCegarLoop]: Difference is false [2018-11-18 16:25:31,359 INFO L388 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2018-11-18 16:25:31,359 INFO L393 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2018-11-18 16:25:31,374 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states. [2018-11-18 16:25:31,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-11-18 16:25:31,379 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 16:25:31,380 INFO L375 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 16:25:31,382 INFO L423 AbstractCegarLoop]: === Iteration 1 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 16:25:31,386 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:25:31,387 INFO L82 PathProgramCache]: Analyzing trace with hash 1255492894, now seen corresponding path program 1 times [2018-11-18 16:25:31,388 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 16:25:31,389 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 16:25:31,433 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:25:31,433 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 16:25:31,434 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:25:31,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:25:31,525 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 16:25:31,527 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 16:25:31,527 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 16:25:31,530 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 16:25:31,540 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 16:25:31,541 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 16:25:31,543 INFO L87 Difference]: Start difference. First operand 51 states. Second operand 3 states. [2018-11-18 16:25:31,651 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 16:25:31,651 INFO L93 Difference]: Finished difference Result 139 states and 227 transitions. [2018-11-18 16:25:31,651 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 16:25:31,652 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 9 [2018-11-18 16:25:31,652 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 16:25:31,660 INFO L225 Difference]: With dead ends: 139 [2018-11-18 16:25:31,660 INFO L226 Difference]: Without dead ends: 85 [2018-11-18 16:25:31,663 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 16:25:31,673 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 85 states. [2018-11-18 16:25:31,690 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 85 to 85. [2018-11-18 16:25:31,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 85 states. [2018-11-18 16:25:31,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 85 states and 128 transitions. [2018-11-18 16:25:31,694 INFO L78 Accepts]: Start accepts. Automaton has 85 states and 128 transitions. Word has length 9 [2018-11-18 16:25:31,694 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 16:25:31,694 INFO L480 AbstractCegarLoop]: Abstraction has 85 states and 128 transitions. [2018-11-18 16:25:31,694 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 16:25:31,694 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 128 transitions. [2018-11-18 16:25:31,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-11-18 16:25:31,695 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 16:25:31,695 INFO L375 BasicCegarLoop]: trace histogram [2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 16:25:31,696 INFO L423 AbstractCegarLoop]: === Iteration 2 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 16:25:31,696 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:25:31,696 INFO L82 PathProgramCache]: Analyzing trace with hash 1634016107, now seen corresponding path program 1 times [2018-11-18 16:25:31,696 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 16:25:31,696 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 16:25:31,697 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:25:31,697 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 16:25:31,697 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:25:31,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:25:31,731 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 16:25:31,731 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 16:25:31,731 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 16:25:31,732 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 16:25:31,732 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 16:25:31,733 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 16:25:31,733 INFO L87 Difference]: Start difference. First operand 85 states and 128 transitions. Second operand 3 states. [2018-11-18 16:25:31,861 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 16:25:31,861 INFO L93 Difference]: Finished difference Result 165 states and 257 transitions. [2018-11-18 16:25:31,861 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 16:25:31,861 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 15 [2018-11-18 16:25:31,862 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 16:25:31,863 INFO L225 Difference]: With dead ends: 165 [2018-11-18 16:25:31,863 INFO L226 Difference]: Without dead ends: 124 [2018-11-18 16:25:31,864 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 16:25:31,864 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 124 states. [2018-11-18 16:25:31,875 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 124 to 124. [2018-11-18 16:25:31,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 124 states. [2018-11-18 16:25:31,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 124 states and 187 transitions. [2018-11-18 16:25:31,878 INFO L78 Accepts]: Start accepts. Automaton has 124 states and 187 transitions. Word has length 15 [2018-11-18 16:25:31,878 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 16:25:31,878 INFO L480 AbstractCegarLoop]: Abstraction has 124 states and 187 transitions. [2018-11-18 16:25:31,878 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 16:25:31,878 INFO L276 IsEmpty]: Start isEmpty. Operand 124 states and 187 transitions. [2018-11-18 16:25:31,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-11-18 16:25:31,879 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 16:25:31,879 INFO L375 BasicCegarLoop]: trace histogram [3, 3, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 16:25:31,880 INFO L423 AbstractCegarLoop]: === Iteration 3 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 16:25:31,880 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:25:31,880 INFO L82 PathProgramCache]: Analyzing trace with hash -1077847367, now seen corresponding path program 1 times [2018-11-18 16:25:31,880 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 16:25:31,880 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 16:25:31,881 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:25:31,881 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 16:25:31,881 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:25:31,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:25:31,934 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-18 16:25:31,934 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 16:25:31,935 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 16:25:31,935 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 16:25:31,935 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 16:25:31,935 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 16:25:31,935 INFO L87 Difference]: Start difference. First operand 124 states and 187 transitions. Second operand 3 states. [2018-11-18 16:25:32,030 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 16:25:32,030 INFO L93 Difference]: Finished difference Result 243 states and 375 transitions. [2018-11-18 16:25:32,031 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 16:25:32,031 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 22 [2018-11-18 16:25:32,031 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 16:25:32,032 INFO L225 Difference]: With dead ends: 243 [2018-11-18 16:25:32,032 INFO L226 Difference]: Without dead ends: 163 [2018-11-18 16:25:32,033 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 16:25:32,033 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 163 states. [2018-11-18 16:25:32,046 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 163 to 163. [2018-11-18 16:25:32,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 163 states. [2018-11-18 16:25:32,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 163 states to 163 states and 247 transitions. [2018-11-18 16:25:32,048 INFO L78 Accepts]: Start accepts. Automaton has 163 states and 247 transitions. Word has length 22 [2018-11-18 16:25:32,049 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 16:25:32,049 INFO L480 AbstractCegarLoop]: Abstraction has 163 states and 247 transitions. [2018-11-18 16:25:32,049 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 16:25:32,049 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 247 transitions. [2018-11-18 16:25:32,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 39 [2018-11-18 16:25:32,050 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 16:25:32,050 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 3, 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] [2018-11-18 16:25:32,051 INFO L423 AbstractCegarLoop]: === Iteration 4 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 16:25:32,051 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:25:32,051 INFO L82 PathProgramCache]: Analyzing trace with hash 1094390367, now seen corresponding path program 1 times [2018-11-18 16:25:32,051 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 16:25:32,051 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 16:25:32,052 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:25:32,052 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 16:25:32,052 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:25:32,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:25:32,092 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-11-18 16:25:32,092 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 16:25:32,092 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 16:25:32,092 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 16:25:32,093 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 16:25:32,093 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 16:25:32,093 INFO L87 Difference]: Start difference. First operand 163 states and 247 transitions. Second operand 3 states. [2018-11-18 16:25:32,249 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 16:25:32,249 INFO L93 Difference]: Finished difference Result 383 states and 595 transitions. [2018-11-18 16:25:32,252 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 16:25:32,252 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 38 [2018-11-18 16:25:32,253 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 16:25:32,254 INFO L225 Difference]: With dead ends: 383 [2018-11-18 16:25:32,254 INFO L226 Difference]: Without dead ends: 225 [2018-11-18 16:25:32,255 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 16:25:32,256 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 225 states. [2018-11-18 16:25:32,275 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 225 to 219. [2018-11-18 16:25:32,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 219 states. [2018-11-18 16:25:32,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 219 states to 219 states and 303 transitions. [2018-11-18 16:25:32,279 INFO L78 Accepts]: Start accepts. Automaton has 219 states and 303 transitions. Word has length 38 [2018-11-18 16:25:32,279 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 16:25:32,280 INFO L480 AbstractCegarLoop]: Abstraction has 219 states and 303 transitions. [2018-11-18 16:25:32,280 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 16:25:32,280 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states and 303 transitions. [2018-11-18 16:25:32,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-11-18 16:25:32,281 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 16:25:32,282 INFO L375 BasicCegarLoop]: trace histogram [4, 4, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 16:25:32,282 INFO L423 AbstractCegarLoop]: === Iteration 5 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 16:25:32,282 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:25:32,282 INFO L82 PathProgramCache]: Analyzing trace with hash -1893868002, now seen corresponding path program 1 times [2018-11-18 16:25:32,282 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 16:25:32,282 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 16:25:32,283 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:25:32,283 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 16:25:32,283 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:25:32,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:25:32,321 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-11-18 16:25:32,321 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 16:25:32,322 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 16:25:32,322 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 16:25:32,322 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 16:25:32,322 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 16:25:32,323 INFO L87 Difference]: Start difference. First operand 219 states and 303 transitions. Second operand 3 states. [2018-11-18 16:25:32,379 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 16:25:32,380 INFO L93 Difference]: Finished difference Result 435 states and 608 transitions. [2018-11-18 16:25:32,380 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 16:25:32,380 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 52 [2018-11-18 16:25:32,380 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 16:25:32,382 INFO L225 Difference]: With dead ends: 435 [2018-11-18 16:25:32,382 INFO L226 Difference]: Without dead ends: 274 [2018-11-18 16:25:32,382 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 16:25:32,383 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 274 states. [2018-11-18 16:25:32,397 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 274 to 272. [2018-11-18 16:25:32,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 272 states. [2018-11-18 16:25:32,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 272 states to 272 states and 379 transitions. [2018-11-18 16:25:32,399 INFO L78 Accepts]: Start accepts. Automaton has 272 states and 379 transitions. Word has length 52 [2018-11-18 16:25:32,399 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 16:25:32,399 INFO L480 AbstractCegarLoop]: Abstraction has 272 states and 379 transitions. [2018-11-18 16:25:32,399 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 16:25:32,400 INFO L276 IsEmpty]: Start isEmpty. Operand 272 states and 379 transitions. [2018-11-18 16:25:32,401 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-11-18 16:25:32,401 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 16:25:32,402 INFO L375 BasicCegarLoop]: trace histogram [5, 5, 4, 3, 2, 2, 2, 2, 2, 2, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 16:25:32,402 INFO L423 AbstractCegarLoop]: === Iteration 6 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 16:25:32,402 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:25:32,402 INFO L82 PathProgramCache]: Analyzing trace with hash -174827734, now seen corresponding path program 1 times [2018-11-18 16:25:32,402 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 16:25:32,402 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 16:25:32,403 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:25:32,403 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 16:25:32,403 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:25:32,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:25:32,439 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2018-11-18 16:25:32,439 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 16:25:32,439 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 16:25:32,439 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 16:25:32,440 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 16:25:32,440 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 16:25:32,440 INFO L87 Difference]: Start difference. First operand 272 states and 379 transitions. Second operand 3 states. [2018-11-18 16:25:32,691 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 16:25:32,691 INFO L93 Difference]: Finished difference Result 550 states and 779 transitions. [2018-11-18 16:25:32,692 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 16:25:32,692 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 56 [2018-11-18 16:25:32,692 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 16:25:32,693 INFO L225 Difference]: With dead ends: 550 [2018-11-18 16:25:32,693 INFO L226 Difference]: Without dead ends: 201 [2018-11-18 16:25:32,694 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 16:25:32,695 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 201 states. [2018-11-18 16:25:32,702 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 201 to 198. [2018-11-18 16:25:32,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 198 states. [2018-11-18 16:25:32,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 198 states to 198 states and 257 transitions. [2018-11-18 16:25:32,704 INFO L78 Accepts]: Start accepts. Automaton has 198 states and 257 transitions. Word has length 56 [2018-11-18 16:25:32,704 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 16:25:32,704 INFO L480 AbstractCegarLoop]: Abstraction has 198 states and 257 transitions. [2018-11-18 16:25:32,704 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 16:25:32,704 INFO L276 IsEmpty]: Start isEmpty. Operand 198 states and 257 transitions. [2018-11-18 16:25:32,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2018-11-18 16:25:32,706 INFO L367 BasicCegarLoop]: Found error trace [2018-11-18 16:25:32,706 INFO L375 BasicCegarLoop]: trace histogram [6, 6, 6, 5, 4, 4, 4, 4, 4, 4, 4, 4, 3, 2, 2, 2, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2018-11-18 16:25:32,706 INFO L423 AbstractCegarLoop]: === Iteration 7 === [mainErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2018-11-18 16:25:32,707 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:25:32,707 INFO L82 PathProgramCache]: Analyzing trace with hash 15777295, now seen corresponding path program 1 times [2018-11-18 16:25:32,707 INFO L223 ckRefinementStrategy]: Switched to mode SMTINTERPOL_TREE_INTERPOLANTS [2018-11-18 16:25:32,707 INFO L69 tionRefinementEngine]: Using refinement strategy CamelRefinementStrategy [2018-11-18 16:25:32,708 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:25:32,708 INFO L103 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2018-11-18 16:25:32,708 INFO L119 rtionOrderModulation]: Craig_TreeInterpolation forces the order to NOT_INCREMENTALLY [2018-11-18 16:25:32,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:25:32,756 INFO L134 CoverageAnalysis]: Checked inductivity of 124 backedges. 80 proven. 0 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2018-11-18 16:25:32,756 INFO L312 seRefinementStrategy]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2018-11-18 16:25:32,756 INFO L327 seRefinementStrategy]: Number of different interpolants: perfect sequences [3] imperfect sequences [] total 3 [2018-11-18 16:25:32,757 INFO L459 AbstractCegarLoop]: Interpolant automaton has 3 states [2018-11-18 16:25:32,757 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 3 interpolants. [2018-11-18 16:25:32,757 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 16:25:32,757 INFO L87 Difference]: Start difference. First operand 198 states and 257 transitions. Second operand 3 states. [2018-11-18 16:25:32,773 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2018-11-18 16:25:32,773 INFO L93 Difference]: Finished difference Result 326 states and 395 transitions. [2018-11-18 16:25:32,773 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 3 states. [2018-11-18 16:25:32,773 INFO L78 Accepts]: Start accepts. Automaton has 3 states. Word has length 85 [2018-11-18 16:25:32,774 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2018-11-18 16:25:32,774 INFO L225 Difference]: With dead ends: 326 [2018-11-18 16:25:32,774 INFO L226 Difference]: Without dead ends: 0 [2018-11-18 16:25:32,774 INFO L604 BasicCegarLoop]: 0 DeclaredPredicates, 3 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 1 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=3, Invalid=3, Unknown=0, NotChecked=0, Total=6 [2018-11-18 16:25:32,775 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2018-11-18 16:25:32,775 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2018-11-18 16:25:32,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2018-11-18 16:25:32,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2018-11-18 16:25:32,775 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 85 [2018-11-18 16:25:32,775 INFO L84 Accepts]: Finished accepts. word is rejected. [2018-11-18 16:25:32,776 INFO L480 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2018-11-18 16:25:32,776 INFO L481 AbstractCegarLoop]: Interpolant automaton has 3 states. [2018-11-18 16:25:32,776 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2018-11-18 16:25:32,776 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 16:25:32,779 INFO L343 DoubleDeckerVisitor]: Before removal of dead ends 0 states and 0 transitions. [2018-11-18 16:25:32,998 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.initFINAL(line -1) the Hoare annotation is: true [2018-11-18 16:25:32,998 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.initEXIT(line -1) no Hoare annotation was computed. [2018-11-18 16:25:32,998 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startEXIT(line -1) no Hoare annotation was computed. [2018-11-18 16:25:32,998 INFO L428 ceAbstractionStarter]: At program point L-1(line -1) the Hoare annotation is: true [2018-11-18 16:25:32,998 INFO L428 ceAbstractionStarter]: At program point ULTIMATE.startENTRY(line -1) the Hoare annotation is: true [2018-11-18 16:25:32,998 INFO L425 ceAbstractionStarter]: For program point ULTIMATE.startFINAL(line -1) no Hoare annotation was computed. [2018-11-18 16:25:32,999 INFO L425 ceAbstractionStarter]: For program point mainEXIT(lines 9 218) no Hoare annotation was computed. [2018-11-18 16:25:32,999 INFO L425 ceAbstractionStarter]: For program point L69(lines 69 186) no Hoare annotation was computed. [2018-11-18 16:25:32,999 INFO L425 ceAbstractionStarter]: For program point L61(lines 61 190) no Hoare annotation was computed. [2018-11-18 16:25:32,999 INFO L425 ceAbstractionStarter]: For program point L152-1(lines 75 184) no Hoare annotation was computed. [2018-11-18 16:25:32,999 INFO L425 ceAbstractionStarter]: For program point L53(lines 53 194) no Hoare annotation was computed. [2018-11-18 16:25:32,999 INFO L425 ceAbstractionStarter]: For program point L86-1(lines 75 184) no Hoare annotation was computed. [2018-11-18 16:25:32,999 INFO L421 ceAbstractionStarter]: At program point L177(lines 23 212) the Hoare annotation is: (let ((.cse0 (<= main_~blastFlag~0 3))) (or (and (<= 8640 main_~s__state~0) .cse0 (not (= 0 main_~s__hit~0))) (<= main_~blastFlag~0 2) (and .cse0 (<= 8672 main_~s__state~0)))) [2018-11-18 16:25:33,000 INFO L425 ceAbstractionStarter]: For program point L45(lines 45 198) no Hoare annotation was computed. [2018-11-18 16:25:33,000 INFO L425 ceAbstractionStarter]: For program point L136(lines 136 140) no Hoare annotation was computed. [2018-11-18 16:25:33,000 INFO L421 ceAbstractionStarter]: At program point L70(lines 69 186) the Hoare annotation is: (let ((.cse0 (<= 8640 main_~s__state~0))) (or (and .cse0 (<= main_~blastFlag~0 3) (not (= 0 main_~s__hit~0))) (and .cse0 (<= main_~blastFlag~0 2)))) [2018-11-18 16:25:33,000 INFO L425 ceAbstractionStarter]: For program point L37(lines 37 202) no Hoare annotation was computed. [2018-11-18 16:25:33,000 INFO L421 ceAbstractionStarter]: At program point L62(lines 61 190) the Hoare annotation is: (<= main_~blastFlag~0 2) [2018-11-18 16:25:33,000 INFO L421 ceAbstractionStarter]: At program point L54(lines 53 194) the Hoare annotation is: (<= main_~blastFlag~0 2) [2018-11-18 16:25:33,000 INFO L421 ceAbstractionStarter]: At program point L46(lines 45 198) the Hoare annotation is: (<= main_~blastFlag~0 2) [2018-11-18 16:25:33,001 INFO L425 ceAbstractionStarter]: For program point L79-1(lines 79 81) no Hoare annotation was computed. [2018-11-18 16:25:33,001 INFO L425 ceAbstractionStarter]: For program point mainFINAL(lines 9 218) no Hoare annotation was computed. [2018-11-18 16:25:33,001 INFO L425 ceAbstractionStarter]: For program point L170-1(lines 75 184) no Hoare annotation was computed. [2018-11-18 16:25:33,001 INFO L421 ceAbstractionStarter]: At program point L38(lines 37 202) the Hoare annotation is: (<= main_~blastFlag~0 2) [2018-11-18 16:25:33,001 INFO L425 ceAbstractionStarter]: For program point L30(lines 30 205) no Hoare annotation was computed. [2018-11-18 16:25:33,001 INFO L428 ceAbstractionStarter]: At program point mainENTRY(lines 9 218) the Hoare annotation is: true [2018-11-18 16:25:33,001 INFO L421 ceAbstractionStarter]: At program point L121(lines 114 123) the Hoare annotation is: (<= main_~blastFlag~0 2) [2018-11-18 16:25:33,001 INFO L421 ceAbstractionStarter]: At program point L113(lines 106 124) the Hoare annotation is: (<= main_~blastFlag~0 2) [2018-11-18 16:25:33,001 INFO L425 ceAbstractionStarter]: For program point L163-1(lines 163 165) no Hoare annotation was computed. [2018-11-18 16:25:33,002 INFO L421 ceAbstractionStarter]: At program point L31(lines 30 205) the Hoare annotation is: (<= main_~blastFlag~0 2) [2018-11-18 16:25:33,002 INFO L425 ceAbstractionStarter]: For program point mainErr0ASSERT_VIOLATIONERROR_FUNCTION(line 216) no Hoare annotation was computed. [2018-11-18 16:25:33,002 INFO L425 ceAbstractionStarter]: For program point L23-1(lines 23 212) no Hoare annotation was computed. [2018-11-18 16:25:33,002 INFO L425 ceAbstractionStarter]: For program point L106(lines 106 124) no Hoare annotation was computed. [2018-11-18 16:25:33,002 INFO L425 ceAbstractionStarter]: For program point L73(lines 73 184) no Hoare annotation was computed. [2018-11-18 16:25:33,002 INFO L425 ceAbstractionStarter]: For program point L65(lines 65 188) no Hoare annotation was computed. [2018-11-18 16:25:33,002 INFO L425 ceAbstractionStarter]: For program point L57(lines 57 192) no Hoare annotation was computed. [2018-11-18 16:25:33,002 INFO L425 ceAbstractionStarter]: For program point L24(line 24) no Hoare annotation was computed. [2018-11-18 16:25:33,003 INFO L428 ceAbstractionStarter]: At program point L214(lines 9 218) the Hoare annotation is: true [2018-11-18 16:25:33,003 INFO L425 ceAbstractionStarter]: For program point L115(lines 115 119) no Hoare annotation was computed. [2018-11-18 16:25:33,003 INFO L425 ceAbstractionStarter]: For program point L49(lines 49 196) no Hoare annotation was computed. [2018-11-18 16:25:33,003 INFO L425 ceAbstractionStarter]: For program point L173(lines 173 175) no Hoare annotation was computed. [2018-11-18 16:25:33,003 INFO L425 ceAbstractionStarter]: For program point L107(lines 107 111) no Hoare annotation was computed. [2018-11-18 16:25:33,003 INFO L421 ceAbstractionStarter]: At program point L74(lines 73 184) the Hoare annotation is: (and (<= main_~blastFlag~0 3) (<= 8672 main_~s__state~0)) [2018-11-18 16:25:33,003 INFO L425 ceAbstractionStarter]: For program point L41(lines 41 200) no Hoare annotation was computed. [2018-11-18 16:25:33,003 INFO L421 ceAbstractionStarter]: At program point L66(lines 65 188) the Hoare annotation is: (let ((.cse0 (<= 8640 main_~s__state~0))) (or (and .cse0 (<= main_~blastFlag~0 3) (not (= 0 main_~s__hit~0))) (and .cse0 (<= main_~blastFlag~0 2)))) [2018-11-18 16:25:33,003 INFO L425 ceAbstractionStarter]: For program point L33(lines 33 204) no Hoare annotation was computed. [2018-11-18 16:25:33,004 INFO L421 ceAbstractionStarter]: At program point L58(lines 57 192) the Hoare annotation is: (<= main_~blastFlag~0 2) [2018-11-18 16:25:33,004 INFO L421 ceAbstractionStarter]: At program point L50(lines 49 196) the Hoare annotation is: (<= main_~blastFlag~0 2) [2018-11-18 16:25:33,004 INFO L421 ceAbstractionStarter]: At program point L174(lines 9 218) the Hoare annotation is: false [2018-11-18 16:25:33,004 INFO L421 ceAbstractionStarter]: At program point L42(lines 41 200) the Hoare annotation is: (<= main_~blastFlag~0 2) [2018-11-18 16:25:33,004 INFO L421 ceAbstractionStarter]: At program point L34(lines 33 204) the Hoare annotation is: (<= main_~blastFlag~0 2) [2018-11-18 16:25:33,016 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 18.11 04:25:33 BoogieIcfgContainer [2018-11-18 16:25:33,016 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2018-11-18 16:25:33,017 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 16:25:33,017 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 16:25:33,017 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 16:25:33,018 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 04:25:31" (3/4) ... [2018-11-18 16:25:33,020 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-18 16:25:33,025 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure ULTIMATE.init [2018-11-18 16:25:33,026 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure main [2018-11-18 16:25:33,030 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-11-18 16:25:33,031 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-18 16:25:33,031 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-18 16:25:33,076 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_acf939c1-24ac-4b99-9dc0-6f305963e931/bin-2019/uautomizer/witness.graphml [2018-11-18 16:25:33,077 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 16:25:33,078 INFO L168 Benchmark]: Toolchain (without parser) took 2481.26 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.0 MB). Free memory was 961.9 MB in the beginning and 945.0 MB in the end (delta: 16.9 MB). Peak memory consumption was 158.0 MB. Max. memory is 11.5 GB. [2018-11-18 16:25:33,079 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 982.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 16:25:33,079 INFO L168 Benchmark]: CACSL2BoogieTranslator took 212.18 ms. Allocated memory is still 1.0 GB. Free memory was 961.9 MB in the beginning and 945.8 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2018-11-18 16:25:33,079 INFO L168 Benchmark]: Boogie Preprocessor took 29.76 ms. Allocated memory is still 1.0 GB. Free memory is still 945.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 16:25:33,080 INFO L168 Benchmark]: RCFGBuilder took 455.37 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.0 MB). Free memory was 945.8 MB in the beginning and 1.1 GB in the end (delta: -170.3 MB). Peak memory consumption was 14.3 MB. Max. memory is 11.5 GB. [2018-11-18 16:25:33,080 INFO L168 Benchmark]: TraceAbstraction took 1720.43 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 950.3 MB in the end (delta: 165.8 MB). Peak memory consumption was 165.8 MB. Max. memory is 11.5 GB. [2018-11-18 16:25:33,080 INFO L168 Benchmark]: Witness Printer took 60.05 ms. Allocated memory is still 1.2 GB. Free memory was 950.3 MB in the beginning and 945.0 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-11-18 16:25:33,081 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 982.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 212.18 ms. Allocated memory is still 1.0 GB. Free memory was 961.9 MB in the beginning and 945.8 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 29.76 ms. Allocated memory is still 1.0 GB. Free memory is still 945.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 455.37 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 141.0 MB). Free memory was 945.8 MB in the beginning and 1.1 GB in the end (delta: -170.3 MB). Peak memory consumption was 14.3 MB. Max. memory is 11.5 GB. * TraceAbstraction took 1720.43 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 950.3 MB in the end (delta: 165.8 MB). Peak memory consumption was 165.8 MB. Max. memory is 11.5 GB. * Witness Printer took 60.05 ms. Allocated memory is still 1.2 GB. Free memory was 950.3 MB in the beginning and 945.0 MB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 216]: 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: 9]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 53]: Loop Invariant Derived loop invariant: blastFlag <= 2 - InvariantResult [Line: 33]: Loop Invariant Derived loop invariant: blastFlag <= 2 - InvariantResult [Line: 65]: Loop Invariant Derived loop invariant: ((8640 <= s__state && blastFlag <= 3) && !(0 == s__hit)) || (8640 <= s__state && blastFlag <= 2) - InvariantResult [Line: 9]: Loop Invariant Derived loop invariant: 0 - InvariantResult [Line: 45]: Loop Invariant Derived loop invariant: blastFlag <= 2 - InvariantResult [Line: 114]: Loop Invariant Derived loop invariant: blastFlag <= 2 - InvariantResult [Line: 57]: Loop Invariant Derived loop invariant: blastFlag <= 2 - InvariantResult [Line: 37]: Loop Invariant Derived loop invariant: blastFlag <= 2 - InvariantResult [Line: 69]: Loop Invariant Derived loop invariant: ((8640 <= s__state && blastFlag <= 3) && !(0 == s__hit)) || (8640 <= s__state && blastFlag <= 2) - InvariantResult [Line: 106]: Loop Invariant Derived loop invariant: blastFlag <= 2 - InvariantResult [Line: 23]: Loop Invariant Derived loop invariant: (((8640 <= s__state && blastFlag <= 3) && !(0 == s__hit)) || blastFlag <= 2) || (blastFlag <= 3 && 8672 <= s__state) - InvariantResult [Line: 49]: Loop Invariant Derived loop invariant: blastFlag <= 2 - InvariantResult [Line: 61]: Loop Invariant Derived loop invariant: blastFlag <= 2 - InvariantResult [Line: 30]: Loop Invariant Derived loop invariant: blastFlag <= 2 - InvariantResult [Line: 41]: Loop Invariant Derived loop invariant: blastFlag <= 2 - InvariantResult [Line: 73]: Loop Invariant Derived loop invariant: blastFlag <= 3 && 8672 <= s__state - StatisticsResult: Ultimate Automizer benchmark data CFG has 3 procedures, 51 locations, 1 error locations. SAFE Result, 1.6s OverallTime, 7 OverallIterations, 6 TraceHistogramMax, 0.8s AutomataDifference, 0.0s DeadEndRemovalTime, 0.2s HoareAnnotationTime, HoareTripleCheckerStatistics: 467 SDtfs, 250 SDslu, 328 SDs, 0 SdLazy, 196 SolverSat, 51 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 21 GetRequests, 14 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=272occurred in iteration=5, 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, 7 MinimizatonAttempts, 11 StatesRemovedByMinimization, 3 NontrivialMinimizations, HoareAnnotationStatistics: 0.0s HoareAnnotationTime, 21 LocationsWithAnnotation, 21 PreInvPairs, 86 NumberOfFragments, 106 HoareAnnotationTreeSize, 21 FomulaSimplifications, 585 FormulaSimplificationTreeSizeReduction, 0.0s HoareSimplificationTime, 21 FomulaSimplificationsInter, 60 FormulaSimplificationTreeSizeReductionInter, 0.1s HoareSimplificationTimeInter, RefinementEngineStatistics: TraceCheckStatistics: 0.0s SsaConstructionTime, 0.0s SatisfiabilityAnalysisTime, 0.2s InterpolantComputationTime, 277 NumberOfCodeBlocks, 277 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 270 ConstructedInterpolants, 0 QuantifiedInterpolants, 29816 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 7 PerfectInterpolantSequences, 243/243 InterpolantCoveringCapability, InvariantSynthesisStatistics: No data available, InterpolantConsolidationStatistics: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...