./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem10_label04_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_01afa87d-98e4-4f0b-b4d2-f9b1b26c8790/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_01afa87d-98e4-4f0b-b4d2-f9b1b26c8790/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_01afa87d-98e4-4f0b-b4d2-f9b1b26c8790/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_01afa87d-98e4-4f0b-b4d2-f9b1b26c8790/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem10_label04_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_01afa87d-98e4-4f0b-b4d2-f9b1b26c8790/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_01afa87d-98e4-4f0b-b4d2-f9b1b26c8790/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 5fd2482788fea6b43734c3f004d7ea7158b142e8 .......................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-01 16:02:48,760 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-01 16:02:48,761 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-01 16:02:48,766 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-01 16:02:48,767 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-01 16:02:48,767 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-01 16:02:48,768 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-01 16:02:48,769 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-01 16:02:48,770 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-01 16:02:48,771 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-01 16:02:48,771 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-01 16:02:48,771 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-01 16:02:48,772 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-01 16:02:48,772 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-01 16:02:48,773 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-01 16:02:48,773 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-01 16:02:48,774 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-01 16:02:48,775 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-01 16:02:48,775 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-01 16:02:48,776 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-01 16:02:48,777 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-01 16:02:48,777 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-01 16:02:48,778 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-01 16:02:48,779 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-01 16:02:48,779 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-01 16:02:48,779 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-01 16:02:48,780 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-01 16:02:48,780 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-01 16:02:48,780 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-01 16:02:48,781 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-01 16:02:48,781 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-01 16:02:48,782 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-01 16:02:48,782 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-01 16:02:48,782 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-01 16:02:48,782 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-01 16:02:48,783 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-01 16:02:48,783 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_01afa87d-98e4-4f0b-b4d2-f9b1b26c8790/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-12-01 16:02:48,790 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-01 16:02:48,790 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-01 16:02:48,791 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-01 16:02:48,791 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-12-01 16:02:48,791 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-01 16:02:48,791 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-01 16:02:48,791 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-01 16:02:48,792 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-01 16:02:48,792 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-01 16:02:48,792 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-01 16:02:48,792 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-01 16:02:48,792 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-01 16:02:48,792 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-01 16:02:48,792 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-01 16:02:48,792 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-01 16:02:48,793 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-01 16:02:48,793 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-01 16:02:48,793 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-01 16:02:48,793 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-12-01 16:02:48,793 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-12-01 16:02:48,793 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-01 16:02:48,793 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-01 16:02:48,793 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-01 16:02:48,794 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-01 16:02:48,794 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-01 16:02:48,794 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-01 16:02:48,794 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-12-01 16:02:48,794 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-01 16:02:48,794 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-01 16:02:48,794 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_01afa87d-98e4-4f0b-b4d2-f9b1b26c8790/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 -> 5fd2482788fea6b43734c3f004d7ea7158b142e8 [2018-12-01 16:02:48,812 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-01 16:02:48,818 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-01 16:02:48,820 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-01 16:02:48,821 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-01 16:02:48,821 INFO L276 PluginConnector]: CDTParser initialized [2018-12-01 16:02:48,821 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_01afa87d-98e4-4f0b-b4d2-f9b1b26c8790/bin-2019/ukojak/../../sv-benchmarks/c/eca-rers2012/Problem10_label04_true-unreach-call.c [2018-12-01 16:02:48,858 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_01afa87d-98e4-4f0b-b4d2-f9b1b26c8790/bin-2019/ukojak/data/101b6c57f/48cbd4c7dd0b483ab326b4d9b7066d81/FLAG8e1932d29 [2018-12-01 16:02:49,323 INFO L307 CDTParser]: Found 1 translation units. [2018-12-01 16:02:49,324 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_01afa87d-98e4-4f0b-b4d2-f9b1b26c8790/sv-benchmarks/c/eca-rers2012/Problem10_label04_true-unreach-call.c [2018-12-01 16:02:49,330 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_01afa87d-98e4-4f0b-b4d2-f9b1b26c8790/bin-2019/ukojak/data/101b6c57f/48cbd4c7dd0b483ab326b4d9b7066d81/FLAG8e1932d29 [2018-12-01 16:02:49,339 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_01afa87d-98e4-4f0b-b4d2-f9b1b26c8790/bin-2019/ukojak/data/101b6c57f/48cbd4c7dd0b483ab326b4d9b7066d81 [2018-12-01 16:02:49,341 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-01 16:02:49,342 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-01 16:02:49,342 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-01 16:02:49,342 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-01 16:02:49,344 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-01 16:02:49,345 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 04:02:49" (1/1) ... [2018-12-01 16:02:49,346 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6cf0b28c and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:02:49, skipping insertion in model container [2018-12-01 16:02:49,346 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 04:02:49" (1/1) ... [2018-12-01 16:02:49,350 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-01 16:02:49,375 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-01 16:02:49,547 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-01 16:02:49,549 INFO L191 MainTranslator]: Completed pre-run [2018-12-01 16:02:49,630 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-01 16:02:49,639 INFO L195 MainTranslator]: Completed translation [2018-12-01 16:02:49,640 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:02:49 WrapperNode [2018-12-01 16:02:49,640 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-01 16:02:49,640 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-01 16:02:49,640 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-01 16:02:49,640 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-01 16:02:49,645 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:02:49" (1/1) ... [2018-12-01 16:02:49,654 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:02:49" (1/1) ... [2018-12-01 16:02:49,683 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-01 16:02:49,684 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-01 16:02:49,684 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-01 16:02:49,684 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-01 16:02:49,690 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:02:49" (1/1) ... [2018-12-01 16:02:49,690 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:02:49" (1/1) ... [2018-12-01 16:02:49,693 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:02:49" (1/1) ... [2018-12-01 16:02:49,693 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:02:49" (1/1) ... [2018-12-01 16:02:49,704 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:02:49" (1/1) ... [2018-12-01 16:02:49,710 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:02:49" (1/1) ... [2018-12-01 16:02:49,713 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:02:49" (1/1) ... [2018-12-01 16:02:49,717 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-01 16:02:49,717 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-01 16:02:49,718 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-01 16:02:49,718 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-01 16:02:49,718 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 04:02:49" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_01afa87d-98e4-4f0b-b4d2-f9b1b26c8790/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 [2018-12-01 16:02:49,751 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-01 16:02:49,751 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-01 16:04:10,402 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-01 16:04:10,402 INFO L280 CfgBuilder]: Removed 7 assue(true) statements. [2018-12-01 16:04:10,403 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 04:04:10 BoogieIcfgContainer [2018-12-01 16:04:10,403 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-01 16:04:10,403 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-12-01 16:04:10,403 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-12-01 16:04:10,410 INFO L276 PluginConnector]: CodeCheck initialized [2018-12-01 16:04:10,410 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 04:04:10" (1/1) ... [2018-12-01 16:04:10,463 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 16:04:10,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:04:10,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2018-12-01 16:04:10,496 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2018-12-01 16:04:10,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-12-01 16:04:10,497 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:04:10,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:04:10,616 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 16:04:10,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:04:10,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 12 states and 15 transitions. [2018-12-01 16:04:10,666 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 15 transitions. [2018-12-01 16:04:10,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-12-01 16:04:10,666 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:04:10,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:04:10,870 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 16:04:11,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:04:11,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 19 states and 30 transitions. [2018-12-01 16:04:11,071 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 30 transitions. [2018-12-01 16:04:11,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-12-01 16:04:11,073 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:04:11,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:04:11,510 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 16:04:12,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:04:12,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 58 states to 30 states and 58 transitions. [2018-12-01 16:04:12,245 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 58 transitions. [2018-12-01 16:04:12,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-12-01 16:04:12,245 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:04:12,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:04:12,439 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 16:04:12,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:04:12,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 33 states and 64 transitions. [2018-12-01 16:04:12,960 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 64 transitions. [2018-12-01 16:04:12,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-12-01 16:04:12,960 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:04:13,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:04:13,342 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 4 proven. 9 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-01 16:04:24,778 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:04:24,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 43 states and 90 transitions. [2018-12-01 16:04:24,778 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 90 transitions. [2018-12-01 16:04:24,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-12-01 16:04:24,779 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:04:24,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:04:24,904 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 4 proven. 9 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-01 16:04:35,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:04:35,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 49 states and 102 transitions. [2018-12-01 16:04:35,786 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 102 transitions. [2018-12-01 16:04:35,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-12-01 16:04:35,787 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:04:35,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:04:35,918 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 4 proven. 9 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-01 16:04:36,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:04:36,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 50 states and 102 transitions. [2018-12-01 16:04:36,059 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 102 transitions. [2018-12-01 16:04:36,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-12-01 16:04:36,060 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:04:36,130 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:04:36,201 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 4 proven. 9 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-01 16:04:36,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:04:36,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 104 states to 52 states and 104 transitions. [2018-12-01 16:04:36,426 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 104 transitions. [2018-12-01 16:04:36,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-12-01 16:04:36,427 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:04:36,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:04:36,912 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-12-01 16:04:37,718 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:04:37,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 57 states and 111 transitions. [2018-12-01 16:04:37,718 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 111 transitions. [2018-12-01 16:04:37,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-12-01 16:04:37,719 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 16:04:37,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 16:04:37,889 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-12-01 16:04:38,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 16:04:38,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 28 states and 52 transitions. [2018-12-01 16:04:38,309 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 52 transitions. [2018-12-01 16:04:38,309 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-01 16:04:38,310 WARN L428 CodeCheckObserver]: This Program is SAFE, Check terminated with 11 iterations. [2018-12-01 16:04:38,315 INFO L779 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-12-01 16:04:38,544 INFO L583 CodeCheckObserver]: Invariant with dag size 25 [2018-12-01 16:04:38,551 INFO L583 CodeCheckObserver]: Invariant with dag size 25 [2018-12-01 16:04:38,551 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-01 16:04:38,552 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 01.12 04:04:38 ImpRootNode [2018-12-01 16:04:38,552 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-12-01 16:04:38,552 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-01 16:04:38,552 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-01 16:04:38,552 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-01 16:04:38,553 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 04:04:10" (3/4) ... [2018-12-01 16:04:38,555 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-01 16:04:38,566 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 177 nodes and edges [2018-12-01 16:04:38,566 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 18 nodes and edges [2018-12-01 16:04:38,567 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2018-12-01 16:04:38,567 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-12-01 16:04:38,637 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_01afa87d-98e4-4f0b-b4d2-f9b1b26c8790/bin-2019/ukojak/witness.graphml [2018-12-01 16:04:38,637 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-01 16:04:38,638 INFO L168 Benchmark]: Toolchain (without parser) took 109296.57 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 294.1 MB). Free memory was 950.6 MB in the beginning and 851.4 MB in the end (delta: 99.1 MB). Peak memory consumption was 393.2 MB. Max. memory is 11.5 GB. [2018-12-01 16:04:38,639 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. [2018-12-01 16:04:38,639 INFO L168 Benchmark]: CACSL2BoogieTranslator took 297.84 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 135.3 MB). Free memory was 950.6 MB in the beginning and 1.1 GB in the end (delta: -160.7 MB). Peak memory consumption was 37.9 MB. Max. memory is 11.5 GB. [2018-12-01 16:04:38,639 INFO L168 Benchmark]: Boogie Procedure Inliner took 43.12 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. [2018-12-01 16:04:38,639 INFO L168 Benchmark]: Boogie Preprocessor took 33.73 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. [2018-12-01 16:04:38,640 INFO L168 Benchmark]: RCFGBuilder took 80685.33 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 163.1 MB). Free memory was 1.1 GB in the beginning and 791.8 MB in the end (delta: 305.7 MB). Peak memory consumption was 468.8 MB. Max. memory is 11.5 GB. [2018-12-01 16:04:38,640 INFO L168 Benchmark]: CodeCheck took 28148.59 ms. Allocated memory was 1.3 GB in the beginning and 1.3 GB in the end (delta: -4.2 MB). Free memory was 791.8 MB in the beginning and 869.5 MB in the end (delta: -77.7 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-12-01 16:04:38,640 INFO L168 Benchmark]: Witness Printer took 85.33 ms. Allocated memory is still 1.3 GB. Free memory was 869.5 MB in the beginning and 851.4 MB in the end (delta: 18.1 MB). Peak memory consumption was 18.1 MB. Max. memory is 11.5 GB. [2018-12-01 16:04:38,641 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, 27.8s OverallTime, 11 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 6952 SDtfs, 14370 SDslu, 9808 SDs, 0 SdLazy, 46248 SolverSat, 6506 SolverUnsat, 96 SolverUnknown, 0 SolverNotchecked, 118.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1595 GetRequests, 1366 SyntacticMatches, 77 SemanticMatches, 152 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 11078 ImplicationChecksByTransitivity, 4.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 1.7s InterpolantComputationTime, 150 NumberOfCodeBlocks, 150 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 140 ConstructedInterpolants, 0 QuantifiedInterpolants, 27452 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 10 InterpolantComputations, 1 PerfectInterpolantSequences, 72/179 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: 202]: 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 && a1 + 13 <= 0) && a4 == 14)) || ((a12 == 0 && (219 <= a1 || !(a10 == 1))) && a4 == 14) - InvariantResult [Line: 20]: Loop Invariant Derived loop invariant: ((a12 == 0 && a4 == 14) && (((a19 <= 5 || !(a10 == 1)) || a1 + 13 <= 0) || 6 < a19)) || ((505232 <= a1 && a12 == 0) && 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 297.84 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 135.3 MB). Free memory was 950.6 MB in the beginning and 1.1 GB in the end (delta: -160.7 MB). Peak memory consumption was 37.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 43.12 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 33.73 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. * RCFGBuilder took 80685.33 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 163.1 MB). Free memory was 1.1 GB in the beginning and 791.8 MB in the end (delta: 305.7 MB). Peak memory consumption was 468.8 MB. Max. memory is 11.5 GB. * CodeCheck took 28148.59 ms. Allocated memory was 1.3 GB in the beginning and 1.3 GB in the end (delta: -4.2 MB). Free memory was 791.8 MB in the beginning and 869.5 MB in the end (delta: -77.7 MB). There was no memory consumed. Max. memory is 11.5 GB. * Witness Printer took 85.33 ms. Allocated memory is still 1.3 GB. Free memory was 869.5 MB in the beginning and 851.4 MB in the end (delta: 18.1 MB). Peak memory consumption was 18.1 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...