./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem10_label17_true-unreach-call.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_cf443419-d3bb-4ea7-9d4b-07ee08c9ed4e/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_cf443419-d3bb-4ea7-9d4b-07ee08c9ed4e/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_cf443419-d3bb-4ea7-9d4b-07ee08c9ed4e/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_cf443419-d3bb-4ea7-9d4b-07ee08c9ed4e/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem10_label17_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_cf443419-d3bb-4ea7-9d4b-07ee08c9ed4e/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_cf443419-d3bb-4ea7-9d4b-07ee08c9ed4e/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 dde52c9168444887391772c09fe456cad8792595 ........................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-09 00:29:15,652 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-09 00:29:15,653 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-09 00:29:15,659 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-09 00:29:15,659 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-09 00:29:15,659 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-09 00:29:15,660 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-09 00:29:15,661 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-09 00:29:15,662 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-09 00:29:15,662 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-09 00:29:15,663 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-09 00:29:15,663 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-09 00:29:15,663 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-09 00:29:15,664 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-09 00:29:15,664 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-09 00:29:15,664 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-09 00:29:15,665 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-09 00:29:15,666 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-09 00:29:15,667 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-09 00:29:15,667 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-09 00:29:15,668 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-09 00:29:15,668 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-09 00:29:15,670 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-09 00:29:15,670 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-09 00:29:15,670 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-09 00:29:15,670 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-09 00:29:15,671 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-09 00:29:15,671 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-09 00:29:15,671 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-09 00:29:15,672 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-09 00:29:15,672 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-09 00:29:15,672 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-09 00:29:15,673 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-09 00:29:15,673 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-09 00:29:15,673 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-09 00:29:15,674 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-09 00:29:15,674 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_cf443419-d3bb-4ea7-9d4b-07ee08c9ed4e/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-12-09 00:29:15,681 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-09 00:29:15,681 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-09 00:29:15,681 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-09 00:29:15,681 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-12-09 00:29:15,682 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-09 00:29:15,682 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-09 00:29:15,682 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-09 00:29:15,682 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-09 00:29:15,682 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-09 00:29:15,682 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-09 00:29:15,682 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-09 00:29:15,682 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-09 00:29:15,682 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-09 00:29:15,682 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-09 00:29:15,683 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-09 00:29:15,683 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-09 00:29:15,683 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-09 00:29:15,683 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-09 00:29:15,683 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-12-09 00:29:15,683 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-12-09 00:29:15,683 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-09 00:29:15,683 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-09 00:29:15,683 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-09 00:29:15,683 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-09 00:29:15,683 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-09 00:29:15,684 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-09 00:29:15,684 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-12-09 00:29:15,684 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-09 00:29:15,684 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-09 00:29:15,684 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_cf443419-d3bb-4ea7-9d4b-07ee08c9ed4e/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 -> dde52c9168444887391772c09fe456cad8792595 [2018-12-09 00:29:15,701 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-09 00:29:15,707 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-09 00:29:15,709 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-09 00:29:15,710 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-09 00:29:15,710 INFO L276 PluginConnector]: CDTParser initialized [2018-12-09 00:29:15,710 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_cf443419-d3bb-4ea7-9d4b-07ee08c9ed4e/bin-2019/ukojak/../../sv-benchmarks/c/eca-rers2012/Problem10_label17_true-unreach-call.c [2018-12-09 00:29:15,745 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_cf443419-d3bb-4ea7-9d4b-07ee08c9ed4e/bin-2019/ukojak/data/aa90191e8/9594620d75394da0b13495c9a29b7872/FLAGa773887d8 [2018-12-09 00:29:16,058 INFO L307 CDTParser]: Found 1 translation units. [2018-12-09 00:29:16,059 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_cf443419-d3bb-4ea7-9d4b-07ee08c9ed4e/sv-benchmarks/c/eca-rers2012/Problem10_label17_true-unreach-call.c [2018-12-09 00:29:16,065 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_cf443419-d3bb-4ea7-9d4b-07ee08c9ed4e/bin-2019/ukojak/data/aa90191e8/9594620d75394da0b13495c9a29b7872/FLAGa773887d8 [2018-12-09 00:29:16,074 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_cf443419-d3bb-4ea7-9d4b-07ee08c9ed4e/bin-2019/ukojak/data/aa90191e8/9594620d75394da0b13495c9a29b7872 [2018-12-09 00:29:16,076 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-09 00:29:16,077 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-09 00:29:16,078 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-09 00:29:16,078 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-09 00:29:16,080 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-09 00:29:16,081 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 12:29:16" (1/1) ... [2018-12-09 00:29:16,082 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@56acabfb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:29:16, skipping insertion in model container [2018-12-09 00:29:16,083 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 12:29:16" (1/1) ... [2018-12-09 00:29:16,087 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-09 00:29:16,112 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-09 00:29:16,285 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 00:29:16,288 INFO L191 MainTranslator]: Completed pre-run [2018-12-09 00:29:16,388 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 00:29:16,399 INFO L195 MainTranslator]: Completed translation [2018-12-09 00:29:16,399 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:29:16 WrapperNode [2018-12-09 00:29:16,400 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-09 00:29:16,400 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-09 00:29:16,400 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-09 00:29:16,400 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-09 00:29:16,405 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:29:16" (1/1) ... [2018-12-09 00:29:16,417 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:29:16" (1/1) ... [2018-12-09 00:29:16,457 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-09 00:29:16,457 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-09 00:29:16,457 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-09 00:29:16,457 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-09 00:29:16,465 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:29:16" (1/1) ... [2018-12-09 00:29:16,465 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:29:16" (1/1) ... [2018-12-09 00:29:16,468 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:29:16" (1/1) ... [2018-12-09 00:29:16,469 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:29:16" (1/1) ... [2018-12-09 00:29:16,486 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:29:16" (1/1) ... [2018-12-09 00:29:16,494 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:29:16" (1/1) ... [2018-12-09 00:29:16,501 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:29:16" (1/1) ... [2018-12-09 00:29:16,507 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-09 00:29:16,508 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-09 00:29:16,508 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-09 00:29:16,508 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-09 00:29:16,508 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 12:29:16" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_cf443419-d3bb-4ea7-9d4b-07ee08c9ed4e/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 [2018-12-09 00:29:16,550 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-09 00:29:16,550 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-09 00:30:22,495 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-09 00:30:22,495 INFO L280 CfgBuilder]: Removed 7 assue(true) statements. [2018-12-09 00:30:22,495 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 12:30:22 BoogieIcfgContainer [2018-12-09 00:30:22,495 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-09 00:30:22,496 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-12-09 00:30:22,496 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-12-09 00:30:22,502 INFO L276 PluginConnector]: CodeCheck initialized [2018-12-09 00:30:22,502 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 12:30:22" (1/1) ... [2018-12-09 00:30:22,509 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 00:30:22,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:30:22,529 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2018-12-09 00:30:22,530 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2018-12-09 00:30:22,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-12-09 00:30:22,531 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:30:22,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:30:22,648 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 00:30:22,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:30:22,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 12 states and 15 transitions. [2018-12-09 00:30:22,699 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 15 transitions. [2018-12-09 00:30:22,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-12-09 00:30:22,700 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:30:22,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:30:22,980 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 00:30:23,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:30:23,202 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 19 states and 31 transitions. [2018-12-09 00:30:23,202 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 31 transitions. [2018-12-09 00:30:23,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-12-09 00:30:23,204 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:30:23,257 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:30:23,460 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 00:30:33,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:30:33,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 26 states and 47 transitions. [2018-12-09 00:30:33,935 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 47 transitions. [2018-12-09 00:30:33,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-12-09 00:30:33,935 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:30:33,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:30:34,083 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 00:30:34,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:30:34,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 29 states and 50 transitions. [2018-12-09 00:30:34,274 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 50 transitions. [2018-12-09 00:30:34,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-12-09 00:30:34,275 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:30:34,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:30:35,637 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 17 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-12-09 00:30:35,994 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:30:35,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 31 states and 58 transitions. [2018-12-09 00:30:35,994 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 58 transitions. [2018-12-09 00:30:35,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-12-09 00:30:35,995 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:30:36,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:30:37,013 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 17 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-12-09 00:30:37,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:30:37,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 33 states and 61 transitions. [2018-12-09 00:30:37,217 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 61 transitions. [2018-12-09 00:30:37,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-12-09 00:30:37,217 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:30:37,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:30:37,571 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-12-09 00:30:38,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:30:38,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 41 states and 82 transitions. [2018-12-09 00:30:38,495 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 82 transitions. [2018-12-09 00:30:38,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-12-09 00:30:38,495 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:30:38,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:30:38,689 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-12-09 00:30:38,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:30:38,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 43 states and 85 transitions. [2018-12-09 00:30:38,967 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 85 transitions. [2018-12-09 00:30:38,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-12-09 00:30:38,968 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:30:39,012 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:30:39,135 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-12-09 00:30:39,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:30:39,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 45 states and 87 transitions. [2018-12-09 00:30:39,335 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 87 transitions. [2018-12-09 00:30:39,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-12-09 00:30:39,336 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 00:30:39,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 00:30:39,730 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 0 proven. 23 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2018-12-09 00:30:40,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 00:30:40,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 24 states and 42 transitions. [2018-12-09 00:30:40,367 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 42 transitions. [2018-12-09 00:30:40,367 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-09 00:30:40,367 WARN L428 CodeCheckObserver]: This Program is SAFE, Check terminated with 11 iterations. [2018-12-09 00:30:40,373 INFO L779 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-12-09 00:30:40,517 INFO L583 CodeCheckObserver]: Invariant with dag size 21 [2018-12-09 00:30:40,525 INFO L583 CodeCheckObserver]: Invariant with dag size 26 [2018-12-09 00:30:40,526 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-09 00:30:40,526 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 09.12 12:30:40 ImpRootNode [2018-12-09 00:30:40,526 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-12-09 00:30:40,527 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-09 00:30:40,527 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-09 00:30:40,527 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-09 00:30:40,527 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 12:30:22" (3/4) ... [2018-12-09 00:30:40,530 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-09 00:30:40,544 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 178 nodes and edges [2018-12-09 00:30:40,545 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2018-12-09 00:30:40,546 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2018-12-09 00:30:40,547 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-12-09 00:30:40,617 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_cf443419-d3bb-4ea7-9d4b-07ee08c9ed4e/bin-2019/ukojak/witness.graphml [2018-12-09 00:30:40,617 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-09 00:30:40,617 INFO L168 Benchmark]: Toolchain (without parser) took 84540.81 ms. Allocated memory was 1.0 GB in the beginning and 1.7 GB in the end (delta: 660.1 MB). Free memory was 949.5 MB in the beginning and 1.1 GB in the end (delta: -195.0 MB). Peak memory consumption was 465.1 MB. Max. memory is 11.5 GB. [2018-12-09 00:30:40,618 INFO L168 Benchmark]: CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 976.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 00:30:40,618 INFO L168 Benchmark]: CACSL2BoogieTranslator took 322.07 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 112.7 MB). Free memory was 949.5 MB in the beginning and 1.1 GB in the end (delta: -145.3 MB). Peak memory consumption was 37.8 MB. Max. memory is 11.5 GB. [2018-12-09 00:30:40,619 INFO L168 Benchmark]: Boogie Procedure Inliner took 56.99 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 7.1 MB). Peak memory consumption was 7.1 MB. Max. memory is 11.5 GB. [2018-12-09 00:30:40,619 INFO L168 Benchmark]: Boogie Preprocessor took 50.25 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 7.1 MB). Peak memory consumption was 7.1 MB. Max. memory is 11.5 GB. [2018-12-09 00:30:40,619 INFO L168 Benchmark]: RCFGBuilder took 65987.67 ms. Allocated memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: 169.3 MB). Free memory was 1.1 GB in the beginning and 806.9 MB in the end (delta: 273.8 MB). Peak memory consumption was 443.2 MB. Max. memory is 11.5 GB. [2018-12-09 00:30:40,619 INFO L168 Benchmark]: CodeCheck took 18030.98 ms. Allocated memory was 1.3 GB in the beginning and 1.7 GB in the end (delta: 378.0 MB). Free memory was 806.9 MB in the beginning and 1.2 GB in the end (delta: -354.6 MB). Peak memory consumption was 23.4 MB. Max. memory is 11.5 GB. [2018-12-09 00:30:40,619 INFO L168 Benchmark]: Witness Printer took 90.16 ms. Allocated memory is still 1.7 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 16.9 MB). Peak memory consumption was 16.9 MB. Max. memory is 11.5 GB. [2018-12-09 00:30:40,621 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, 206 locations, 1 error locations. SAFE Result, 17.8s OverallTime, 11 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 6032 SDtfs, 12382 SDslu, 7968 SDs, 0 SdLazy, 36726 SolverSat, 4608 SolverUnsat, 256 SolverUnknown, 0 SolverNotchecked, 83.2s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1675 GetRequests, 1439 SyntacticMatches, 100 SemanticMatches, 136 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 9550 ImplicationChecksByTransitivity, 3.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 3.7s InterpolantComputationTime, 162 NumberOfCodeBlocks, 162 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 152 ConstructedInterpolants, 0 QuantifiedInterpolants, 30824 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 10 InterpolantComputations, 1 PerfectInterpolantSequences, 76/228 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: 94]: 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 == 6) && a12 == 0) && a4 == 14) || ((a12 == 0 && a4 == 14) && !(a10 == 4))) || ((a1 <= 23 && a12 == 0) && a4 == 14) - InvariantResult [Line: 20]: Loop Invariant Derived loop invariant: (a12 == 0 && ((!(a19 == 6) || ((a1 <= 38 || 218 < a1) && 0 < a1 + 13)) || !(a10 == 4))) && a4 == 14 - InvariantResult [Line: 576]: Loop Invariant Derived loop invariant: 1 * 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 976.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 322.07 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 112.7 MB). Free memory was 949.5 MB in the beginning and 1.1 GB in the end (delta: -145.3 MB). Peak memory consumption was 37.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 56.99 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 7.1 MB). Peak memory consumption was 7.1 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 50.25 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 7.1 MB). Peak memory consumption was 7.1 MB. Max. memory is 11.5 GB. * RCFGBuilder took 65987.67 ms. Allocated memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: 169.3 MB). Free memory was 1.1 GB in the beginning and 806.9 MB in the end (delta: 273.8 MB). Peak memory consumption was 443.2 MB. Max. memory is 11.5 GB. * CodeCheck took 18030.98 ms. Allocated memory was 1.3 GB in the beginning and 1.7 GB in the end (delta: 378.0 MB). Free memory was 806.9 MB in the beginning and 1.2 GB in the end (delta: -354.6 MB). Peak memory consumption was 23.4 MB. Max. memory is 11.5 GB. * Witness Printer took 90.16 ms. Allocated memory is still 1.7 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 16.9 MB). Peak memory consumption was 16.9 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...