./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem10_label37_true-unreach-call.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 1dbac8bc Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_8e667071-f769-4b06-bfae-91b029311802/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_8e667071-f769-4b06-bfae-91b029311802/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_8e667071-f769-4b06-bfae-91b029311802/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_8e667071-f769-4b06-bfae-91b029311802/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem10_label37_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_8e667071-f769-4b06-bfae-91b029311802/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_8e667071-f769-4b06-bfae-91b029311802/bin-2019/ukojak --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 Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash b3ccc46b30bd9e1d865272aecfdf21618e4ebade ................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-1dbac8b [2018-11-10 06:28:30,679 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-10 06:28:30,680 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-10 06:28:30,687 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-10 06:28:30,687 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-10 06:28:30,688 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-10 06:28:30,688 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-10 06:28:30,690 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-10 06:28:30,691 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-10 06:28:30,691 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-10 06:28:30,692 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-10 06:28:30,692 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-10 06:28:30,692 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-10 06:28:30,693 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-10 06:28:30,694 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-10 06:28:30,694 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-10 06:28:30,695 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-10 06:28:30,696 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-10 06:28:30,697 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-10 06:28:30,698 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-10 06:28:30,699 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-10 06:28:30,700 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-10 06:28:30,701 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-10 06:28:30,702 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-10 06:28:30,702 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-10 06:28:30,702 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-10 06:28:30,703 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-10 06:28:30,703 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-10 06:28:30,704 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-10 06:28:30,705 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-10 06:28:30,705 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-10 06:28:30,705 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-10 06:28:30,706 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-10 06:28:30,706 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-10 06:28:30,706 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-10 06:28:30,707 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-10 06:28:30,707 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_8e667071-f769-4b06-bfae-91b029311802/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-11-10 06:28:30,717 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-10 06:28:30,717 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-10 06:28:30,718 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-10 06:28:30,718 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-10 06:28:30,718 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-10 06:28:30,718 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-10 06:28:30,719 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-10 06:28:30,719 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-10 06:28:30,719 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-10 06:28:30,719 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-10 06:28:30,719 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-10 06:28:30,719 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-10 06:28:30,719 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-10 06:28:30,720 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-10 06:28:30,720 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-10 06:28:30,720 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-10 06:28:30,720 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-10 06:28:30,720 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-10 06:28:30,720 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-10 06:28:30,720 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-10 06:28:30,721 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-10 06:28:30,721 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-10 06:28:30,721 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-10 06:28:30,721 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-10 06:28:30,721 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-10 06:28:30,721 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-10 06:28:30,721 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-10 06:28:30,721 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-10 06:28:30,721 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_8e667071-f769-4b06-bfae-91b029311802/bin-2019/ukojak 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 -> Kojak 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 -> b3ccc46b30bd9e1d865272aecfdf21618e4ebade [2018-11-10 06:28:30,743 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-10 06:28:30,751 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-10 06:28:30,753 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-10 06:28:30,754 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-10 06:28:30,754 INFO L276 PluginConnector]: CDTParser initialized [2018-11-10 06:28:30,754 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_8e667071-f769-4b06-bfae-91b029311802/bin-2019/ukojak/../../sv-benchmarks/c/eca-rers2012/Problem10_label37_true-unreach-call.c [2018-11-10 06:28:30,789 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_8e667071-f769-4b06-bfae-91b029311802/bin-2019/ukojak/data/250d75514/1e69a6e01da5417e877a4430888332db/FLAGbd911b01b [2018-11-10 06:28:31,236 INFO L298 CDTParser]: Found 1 translation units. [2018-11-10 06:28:31,236 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_8e667071-f769-4b06-bfae-91b029311802/sv-benchmarks/c/eca-rers2012/Problem10_label37_true-unreach-call.c [2018-11-10 06:28:31,246 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_8e667071-f769-4b06-bfae-91b029311802/bin-2019/ukojak/data/250d75514/1e69a6e01da5417e877a4430888332db/FLAGbd911b01b [2018-11-10 06:28:31,256 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_8e667071-f769-4b06-bfae-91b029311802/bin-2019/ukojak/data/250d75514/1e69a6e01da5417e877a4430888332db [2018-11-10 06:28:31,259 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-10 06:28:31,260 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-10 06:28:31,260 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-10 06:28:31,260 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-10 06:28:31,262 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-10 06:28:31,263 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 06:28:31" (1/1) ... [2018-11-10 06:28:31,265 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@61258a75 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:28:31, skipping insertion in model container [2018-11-10 06:28:31,265 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 06:28:31" (1/1) ... [2018-11-10 06:28:31,271 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-10 06:28:31,305 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-10 06:28:31,526 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 06:28:31,529 INFO L189 MainTranslator]: Completed pre-run [2018-11-10 06:28:31,594 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 06:28:31,603 INFO L193 MainTranslator]: Completed translation [2018-11-10 06:28:31,604 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:28:31 WrapperNode [2018-11-10 06:28:31,604 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-10 06:28:31,604 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-10 06:28:31,604 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-10 06:28:31,605 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-10 06:28:31,609 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:28:31" (1/1) ... [2018-11-10 06:28:31,621 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:28:31" (1/1) ... [2018-11-10 06:28:31,719 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-10 06:28:31,720 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-10 06:28:31,720 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-10 06:28:31,720 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-10 06:28:31,729 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:28:31" (1/1) ... [2018-11-10 06:28:31,729 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:28:31" (1/1) ... [2018-11-10 06:28:31,733 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:28:31" (1/1) ... [2018-11-10 06:28:31,734 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:28:31" (1/1) ... [2018-11-10 06:28:31,749 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:28:31" (1/1) ... [2018-11-10 06:28:31,757 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:28:31" (1/1) ... [2018-11-10 06:28:31,765 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:28:31" (1/1) ... [2018-11-10 06:28:31,773 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-10 06:28:31,773 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-10 06:28:31,773 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-10 06:28:31,773 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-10 06:28:31,774 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:28:31" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_8e667071-f769-4b06-bfae-91b029311802/bin-2019/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (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:10000 [2018-11-10 06:28:31,821 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-10 06:28:31,821 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-10 06:28:31,822 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-10 06:30:00,345 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-10 06:30:00,345 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 06:30:00 BoogieIcfgContainer [2018-11-10 06:30:00,346 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-10 06:30:00,346 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-10 06:30:00,346 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-10 06:30:00,356 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-10 06:30:00,356 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 06:30:00" (1/1) ... [2018-11-10 06:30:00,366 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 06:30:00,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 06:30:00,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 10 states and 13 transitions. [2018-11-10 06:30:00,398 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 13 transitions. [2018-11-10 06:30:00,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-11-10 06:30:00,400 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 06:30:00,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 06:30:00,570 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 06:30:00,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 06:30:00,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 14 states and 17 transitions. [2018-11-10 06:30:00,615 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 17 transitions. [2018-11-10 06:30:00,616 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-11-10 06:30:00,616 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 06:30:00,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 06:30:00,987 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 06:30:01,516 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 06:30:01,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 23 states and 35 transitions. [2018-11-10 06:30:01,517 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 35 transitions. [2018-11-10 06:30:01,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-11-10 06:30:01,519 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 06:30:01,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 06:30:01,854 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 06:30:02,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 06:30:02,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 32 states and 54 transitions. [2018-11-10 06:30:02,328 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 54 transitions. [2018-11-10 06:30:02,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-11-10 06:30:02,328 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 06:30:02,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 06:30:02,540 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 06:30:02,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 06:30:02,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 35 states and 60 transitions. [2018-11-10 06:30:02,812 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 60 transitions. [2018-11-10 06:30:02,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-11-10 06:30:02,815 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 06:30:02,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 06:30:02,975 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 06:30:03,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 06:30:03,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 36 states and 60 transitions. [2018-11-10 06:30:03,059 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 60 transitions. [2018-11-10 06:30:03,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-11-10 06:30:03,060 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 06:30:03,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 06:30:03,610 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-11-10 06:30:14,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 06:30:14,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 50 states and 91 transitions. [2018-11-10 06:30:14,770 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 91 transitions. [2018-11-10 06:30:14,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-11-10 06:30:14,770 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 06:30:14,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 06:30:14,928 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-11-10 06:30:15,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 06:30:15,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 56 states and 98 transitions. [2018-11-10 06:30:15,606 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 98 transitions. [2018-11-10 06:30:15,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-11-10 06:30:15,607 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 06:30:15,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 06:30:15,864 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-11-10 06:30:16,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 06:30:16,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 59 states and 102 transitions. [2018-11-10 06:30:16,022 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 102 transitions. [2018-11-10 06:30:16,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-11-10 06:30:16,023 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 06:30:16,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 06:30:16,229 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-11-10 06:30:16,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 06:30:16,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 60 states and 102 transitions. [2018-11-10 06:30:16,424 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 102 transitions. [2018-11-10 06:30:16,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-11-10 06:30:16,424 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 06:30:16,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 06:30:16,624 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-11-10 06:30:16,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 06:30:16,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 61 states and 102 transitions. [2018-11-10 06:30:16,787 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 102 transitions. [2018-11-10 06:30:16,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-11-10 06:30:16,787 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 06:30:16,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 06:30:18,779 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 31 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-11-10 06:30:19,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 06:30:19,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 71 states to 42 states and 71 transitions. [2018-11-10 06:30:19,293 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 71 transitions. [2018-11-10 06:30:19,293 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-10 06:30:19,293 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 12 iterations. [2018-11-10 06:30:19,301 INFO L778 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-11-10 06:30:19,601 WARN L179 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 33 [2018-11-10 06:30:19,626 INFO L582 CodeCheckObserver]: Invariant with dag size 33 [2018-11-10 06:30:19,634 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-10 06:30:19,634 INFO L582 CodeCheckObserver]: Invariant with dag size 31 [2018-11-10 06:30:19,635 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 10.11 06:30:19 ImpRootNode [2018-11-10 06:30:19,635 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-10 06:30:19,635 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-10 06:30:19,635 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-10 06:30:19,636 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-10 06:30:19,636 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 06:30:00" (3/4) ... [2018-11-10 06:30:19,639 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-10 06:30:19,653 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 180 nodes and edges [2018-11-10 06:30:19,653 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 19 nodes and edges [2018-11-10 06:30:19,654 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2018-11-10 06:30:19,654 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-10 06:30:19,743 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_8e667071-f769-4b06-bfae-91b029311802/bin-2019/ukojak/witness.graphml [2018-11-10 06:30:19,743 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-10 06:30:19,744 INFO L168 Benchmark]: Toolchain (without parser) took 108484.37 ms. Allocated memory was 1.0 GB in the beginning and 1.6 GB in the end (delta: 554.7 MB). Free memory was 945.7 MB in the beginning and 1.4 GB in the end (delta: -504.0 MB). Peak memory consumption was 50.7 MB. Max. memory is 11.5 GB. [2018-11-10 06:30:19,744 INFO L168 Benchmark]: CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 06:30:19,744 INFO L168 Benchmark]: CACSL2BoogieTranslator took 344.02 ms. Allocated memory is still 1.0 GB. Free memory was 945.7 MB in the beginning and 916.2 MB in the end (delta: 29.5 MB). Peak memory consumption was 29.5 MB. Max. memory is 11.5 GB. [2018-11-10 06:30:19,745 INFO L168 Benchmark]: Boogie Procedure Inliner took 115.12 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.3 MB). Free memory was 916.2 MB in the beginning and 1.1 GB in the end (delta: -208.9 MB). Peak memory consumption was 21.3 MB. Max. memory is 11.5 GB. [2018-11-10 06:30:19,745 INFO L168 Benchmark]: Boogie Preprocessor took 53.29 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: 8.3 MB). Peak memory consumption was 8.3 MB. Max. memory is 11.5 GB. [2018-11-10 06:30:19,745 INFO L168 Benchmark]: RCFGBuilder took 88572.60 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 176.7 MB). Free memory was 1.1 GB in the beginning and 823.2 MB in the end (delta: 293.6 MB). Peak memory consumption was 470.2 MB. Max. memory is 11.5 GB. [2018-11-10 06:30:19,746 INFO L168 Benchmark]: CodeCheck took 19288.94 ms. Allocated memory was 1.3 GB in the beginning and 1.6 GB in the end (delta: 241.7 MB). Free memory was 823.2 MB in the beginning and 1.5 GB in the end (delta: -654.8 MB). Peak memory consumption was 278.1 MB. Max. memory is 11.5 GB. [2018-11-10 06:30:19,746 INFO L168 Benchmark]: Witness Printer took 107.54 ms. Allocated memory is still 1.6 GB. Free memory was 1.5 GB in the beginning and 1.4 GB in the end (delta: 28.3 MB). Peak memory consumption was 28.3 MB. Max. memory is 11.5 GB. [2018-11-10 06:30:19,748 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 207 locations, 1 error locations. SAFE Result, 18.9s OverallTime, 12 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 14368 SDtfs, 33664 SDslu, 32896 SDs, 0 SdLazy, 74366 SolverSat, 8726 SolverUnsat, 64 SolverUnknown, 0 SolverNotchecked, 70.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1915 GetRequests, 1673 SyntacticMatches, 118 SemanticMatches, 124 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 7534 ImplicationChecksByTransitivity, 3.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 3.7s InterpolantComputationTime, 196 NumberOfCodeBlocks, 196 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 185 ConstructedInterpolants, 0 QuantifiedInterpolants, 40970 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 11 InterpolantComputations, 1 PerfectInterpolantSequences, 40/224 InterpolantCoveringCapability, 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: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 166]: 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: 582]: Loop Invariant Derived loop invariant: (((a19 == 8 || (!(a19 == 10) && 9 <= a19)) || ((!(a19 == 7) && a12 == 0) && a4 == 14)) || (((a1 <= 38 || 219 <= a1) && a12 == 0) && a4 == 14)) || ((a12 == 0 && a4 == 14) && !(a10 == 4)) - InvariantResult [Line: 576]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 20]: Loop Invariant Derived loop invariant: (a19 == 8 || (!(a19 == 10) && 9 <= a19)) || (((((a1 <= 38 || 218 < a1) || !(a19 == 7)) || !(a10 == 4)) && a12 == 0) && a4 == 14) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 985.5 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 344.02 ms. Allocated memory is still 1.0 GB. Free memory was 945.7 MB in the beginning and 916.2 MB in the end (delta: 29.5 MB). Peak memory consumption was 29.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 115.12 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 136.3 MB). Free memory was 916.2 MB in the beginning and 1.1 GB in the end (delta: -208.9 MB). Peak memory consumption was 21.3 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 53.29 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: 8.3 MB). Peak memory consumption was 8.3 MB. Max. memory is 11.5 GB. * RCFGBuilder took 88572.60 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 176.7 MB). Free memory was 1.1 GB in the beginning and 823.2 MB in the end (delta: 293.6 MB). Peak memory consumption was 470.2 MB. Max. memory is 11.5 GB. * CodeCheck took 19288.94 ms. Allocated memory was 1.3 GB in the beginning and 1.6 GB in the end (delta: 241.7 MB). Free memory was 823.2 MB in the beginning and 1.5 GB in the end (delta: -654.8 MB). Peak memory consumption was 278.1 MB. Max. memory is 11.5 GB. * Witness Printer took 107.54 ms. Allocated memory is still 1.6 GB. Free memory was 1.5 GB in the beginning and 1.4 GB in the end (delta: 28.3 MB). Peak memory consumption was 28.3 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...