./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem10_label45_true-unreach-call.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aa418289 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_58e1f064-d968-421e-a39a-f90791c0db0a/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_58e1f064-d968-421e-a39a-f90791c0db0a/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_58e1f064-d968-421e-a39a-f90791c0db0a/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_58e1f064-d968-421e-a39a-f90791c0db0a/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem10_label45_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_58e1f064-d968-421e-a39a-f90791c0db0a/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_58e1f064-d968-421e-a39a-f90791c0db0a/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 70545f5392ebc5e90051a936a28b8141bae29fb0 .................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-aa41828 [2018-11-23 06:50:27,618 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 06:50:27,620 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 06:50:27,629 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 06:50:27,630 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 06:50:27,631 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 06:50:27,632 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 06:50:27,633 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 06:50:27,634 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 06:50:27,635 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 06:50:27,636 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 06:50:27,636 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 06:50:27,637 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 06:50:27,638 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 06:50:27,639 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 06:50:27,640 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 06:50:27,640 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 06:50:27,642 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 06:50:27,643 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 06:50:27,645 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 06:50:27,645 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 06:50:27,646 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 06:50:27,648 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 06:50:27,648 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 06:50:27,648 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 06:50:27,649 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 06:50:27,650 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 06:50:27,651 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 06:50:27,651 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 06:50:27,652 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 06:50:27,652 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 06:50:27,653 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 06:50:27,653 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 06:50:27,653 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 06:50:27,654 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 06:50:27,655 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 06:50:27,655 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_58e1f064-d968-421e-a39a-f90791c0db0a/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-11-23 06:50:27,666 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 06:50:27,666 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 06:50:27,666 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 06:50:27,667 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-11-23 06:50:27,667 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-23 06:50:27,667 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-23 06:50:27,667 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 06:50:27,668 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 06:50:27,668 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-23 06:50:27,668 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 06:50:27,669 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 06:50:27,669 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 06:50:27,669 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 06:50:27,669 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 06:50:27,669 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 06:50:27,669 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 06:50:27,670 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 06:50:27,670 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 06:50:27,670 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-23 06:50:27,670 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-23 06:50:27,670 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 06:50:27,670 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 06:50:27,671 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-23 06:50:27,671 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 06:50:27,671 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 06:50:27,671 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 06:50:27,671 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-23 06:50:27,671 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 06:50:27,672 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-23 06:50:27,672 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_58e1f064-d968-421e-a39a-f90791c0db0a/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 -> 70545f5392ebc5e90051a936a28b8141bae29fb0 [2018-11-23 06:50:27,697 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 06:50:27,706 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 06:50:27,708 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 06:50:27,710 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 06:50:27,710 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 06:50:27,710 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_58e1f064-d968-421e-a39a-f90791c0db0a/bin-2019/ukojak/../../sv-benchmarks/c/eca-rers2012/Problem10_label45_true-unreach-call.c [2018-11-23 06:50:27,751 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_58e1f064-d968-421e-a39a-f90791c0db0a/bin-2019/ukojak/data/32a872152/bc78e3954a6e488ea14190c0a7b2c500/FLAG52f079ad5 [2018-11-23 06:50:28,159 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 06:50:28,159 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_58e1f064-d968-421e-a39a-f90791c0db0a/sv-benchmarks/c/eca-rers2012/Problem10_label45_true-unreach-call.c [2018-11-23 06:50:28,170 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_58e1f064-d968-421e-a39a-f90791c0db0a/bin-2019/ukojak/data/32a872152/bc78e3954a6e488ea14190c0a7b2c500/FLAG52f079ad5 [2018-11-23 06:50:28,514 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_58e1f064-d968-421e-a39a-f90791c0db0a/bin-2019/ukojak/data/32a872152/bc78e3954a6e488ea14190c0a7b2c500 [2018-11-23 06:50:28,517 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 06:50:28,518 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 06:50:28,518 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 06:50:28,518 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 06:50:28,521 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 06:50:28,522 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 06:50:28" (1/1) ... [2018-11-23 06:50:28,524 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3b965d81 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:50:28, skipping insertion in model container [2018-11-23 06:50:28,524 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 06:50:28" (1/1) ... [2018-11-23 06:50:28,533 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 06:50:28,573 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 06:50:28,803 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 06:50:28,806 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 06:50:28,883 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 06:50:28,897 INFO L195 MainTranslator]: Completed translation [2018-11-23 06:50:28,898 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:50:28 WrapperNode [2018-11-23 06:50:28,898 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 06:50:28,898 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 06:50:28,898 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 06:50:28,899 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 06:50:28,906 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:50:28" (1/1) ... [2018-11-23 06:50:28,979 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:50:28" (1/1) ... [2018-11-23 06:50:29,022 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 06:50:29,023 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 06:50:29,023 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 06:50:29,023 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 06:50:29,031 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:50:28" (1/1) ... [2018-11-23 06:50:29,031 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:50:28" (1/1) ... [2018-11-23 06:50:29,036 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:50:28" (1/1) ... [2018-11-23 06:50:29,036 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:50:28" (1/1) ... [2018-11-23 06:50:29,058 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:50:28" (1/1) ... [2018-11-23 06:50:29,066 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:50:28" (1/1) ... [2018-11-23 06:50:29,071 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:50:28" (1/1) ... [2018-11-23 06:50:29,077 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 06:50:29,077 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 06:50:29,077 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 06:50:29,077 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 06:50:29,078 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 06:50:28" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_58e1f064-d968-421e-a39a-f90791c0db0a/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 [2018-11-23 06:50:29,132 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-23 06:50:29,133 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 06:50:29,133 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 06:51:38,633 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 06:51:38,633 INFO L280 CfgBuilder]: Removed 7 assue(true) statements. [2018-11-23 06:51:38,633 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 06:51:38 BoogieIcfgContainer [2018-11-23 06:51:38,634 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 06:51:38,634 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-23 06:51:38,634 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-23 06:51:38,711 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-23 06:51:38,711 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 06:51:38" (1/1) ... [2018-11-23 06:51:38,733 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 06:51:38,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 06:51:38,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2018-11-23 06:51:38,759 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2018-11-23 06:51:38,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-11-23 06:51:38,761 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 06:51:38,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 06:51:38,928 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 06:51:38,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 06:51:38,978 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 12 states and 15 transitions. [2018-11-23 06:51:38,979 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 15 transitions. [2018-11-23 06:51:38,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-11-23 06:51:38,982 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 06:51:39,080 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 06:51:39,300 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 06:51:43,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 06:51:43,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 19 states and 29 transitions. [2018-11-23 06:51:43,305 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 29 transitions. [2018-11-23 06:51:43,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-11-23 06:51:43,307 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 06:51:43,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 06:51:43,802 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 06:51:44,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 06:51:44,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 26 states and 43 transitions. [2018-11-23 06:51:44,333 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 43 transitions. [2018-11-23 06:51:44,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-11-23 06:51:44,333 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 06:51:44,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 06:51:44,550 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 06:51:44,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 06:51:44,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 28 states and 47 transitions. [2018-11-23 06:51:44,915 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 47 transitions. [2018-11-23 06:51:44,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-11-23 06:51:44,916 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 06:51:45,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 06:51:45,165 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 06:51:45,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 06:51:45,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 29 states and 47 transitions. [2018-11-23 06:51:45,435 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 47 transitions. [2018-11-23 06:51:45,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-11-23 06:51:45,436 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 06:51:45,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 06:51:45,838 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 2 proven. 9 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-23 06:51:46,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 06:51:46,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 36 states and 62 transitions. [2018-11-23 06:51:46,468 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 62 transitions. [2018-11-23 06:51:46,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-11-23 06:51:46,468 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 06:51:46,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 06:51:46,620 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 2 proven. 9 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-23 06:51:46,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 06:51:46,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 39 states and 66 transitions. [2018-11-23 06:51:46,927 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 66 transitions. [2018-11-23 06:51:46,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-11-23 06:51:46,927 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 06:51:47,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 06:51:47,152 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 2 proven. 9 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-23 06:51:47,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 06:51:47,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 66 states to 40 states and 66 transitions. [2018-11-23 06:51:47,470 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 66 transitions. [2018-11-23 06:51:47,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-11-23 06:51:47,471 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 06:51:47,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 06:51:48,008 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-11-23 06:51:48,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 06:51:48,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 25 states and 41 transitions. [2018-11-23 06:51:48,344 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 41 transitions. [2018-11-23 06:51:48,344 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 06:51:48,345 WARN L424 CodeCheckObserver]: This Program is SAFE, Check terminated with 10 iterations. [2018-11-23 06:51:48,351 INFO L775 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-11-23 06:51:48,615 INFO L579 CodeCheckObserver]: Invariant with dag size 24 [2018-11-23 06:51:48,624 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-23 06:51:48,624 INFO L579 CodeCheckObserver]: Invariant with dag size 23 [2018-11-23 06:51:48,625 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 23.11 06:51:48 ImpRootNode [2018-11-23 06:51:48,626 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-23 06:51:48,626 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-23 06:51:48,626 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-23 06:51:48,626 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-23 06:51:48,627 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 06:51:38" (3/4) ... [2018-11-23 06:51:48,630 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-23 06:51:48,647 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 178 nodes and edges [2018-11-23 06:51:48,647 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 16 nodes and edges [2018-11-23 06:51:48,648 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-11-23 06:51:48,648 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-23 06:51:48,752 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_58e1f064-d968-421e-a39a-f90791c0db0a/bin-2019/ukojak/witness.graphml [2018-11-23 06:51:48,752 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-23 06:51:48,753 INFO L168 Benchmark]: Toolchain (without parser) took 80235.98 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 414.2 MB). Free memory was 951.1 MB in the beginning and 1.1 GB in the end (delta: -100.6 MB). Peak memory consumption was 313.6 MB. Max. memory is 11.5 GB. [2018-11-23 06:51:48,754 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 06:51:48,754 INFO L168 Benchmark]: CACSL2BoogieTranslator took 379.81 ms. Allocated memory is still 1.0 GB. Free memory was 951.1 MB in the beginning and 913.5 MB in the end (delta: 37.6 MB). Peak memory consumption was 37.6 MB. Max. memory is 11.5 GB. [2018-11-23 06:51:48,755 INFO L168 Benchmark]: Boogie Procedure Inliner took 124.05 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 134.7 MB). Free memory was 913.5 MB in the beginning and 1.1 GB in the end (delta: -207.5 MB). Peak memory consumption was 18.0 MB. Max. memory is 11.5 GB. [2018-11-23 06:51:48,755 INFO L168 Benchmark]: Boogie Preprocessor took 54.41 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: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. [2018-11-23 06:51:48,755 INFO L168 Benchmark]: RCFGBuilder took 69556.41 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 187.7 MB). Free memory was 1.1 GB in the beginning and 809.4 MB in the end (delta: 308.2 MB). Peak memory consumption was 495.9 MB. Max. memory is 11.5 GB. [2018-11-23 06:51:48,755 INFO L168 Benchmark]: CodeCheck took 9991.71 ms. Allocated memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 91.8 MB). Free memory was 809.4 MB in the beginning and 1.1 GB in the end (delta: -263.7 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 06:51:48,756 INFO L168 Benchmark]: Witness Printer took 126.49 ms. Allocated memory is still 1.4 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 21.4 MB). Peak memory consumption was 21.4 MB. Max. memory is 11.5 GB. [2018-11-23 06:51:48,757 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, 9.6s OverallTime, 10 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 3024 SDtfs, 6004 SDslu, 4000 SDs, 0 SdLazy, 16454 SolverSat, 2314 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 32.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1177 GetRequests, 975 SyntacticMatches, 114 SemanticMatches, 88 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6026 ImplicationChecksByTransitivity, 3.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 1.9s InterpolantComputationTime, 125 NumberOfCodeBlocks, 125 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 116 ConstructedInterpolants, 0 QuantifiedInterpolants, 23712 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 9 InterpolantComputations, 1 PerfectInterpolantSequences, 48/132 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: 118]: 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: (((a1 <= 38 && a12 == 0) && a4 == 14) || ((a12 == 0 && !(a10 == 1)) && a4 == 14)) || (((219 <= a1 || !(a19 == 8)) && a12 == 0) && a4 == 14) - InvariantResult [Line: 576]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 20]: Loop Invariant Derived loop invariant: ((a12 == 0 && !(a10 == 1)) && a4 == 14) || ((a12 == 0 && ((a1 <= 38 || 218 < a1) || !(a19 == 8))) && a4 == 14) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 379.81 ms. Allocated memory is still 1.0 GB. Free memory was 951.1 MB in the beginning and 913.5 MB in the end (delta: 37.6 MB). Peak memory consumption was 37.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 124.05 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 134.7 MB). Free memory was 913.5 MB in the beginning and 1.1 GB in the end (delta: -207.5 MB). Peak memory consumption was 18.0 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 54.41 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: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 69556.41 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 187.7 MB). Free memory was 1.1 GB in the beginning and 809.4 MB in the end (delta: 308.2 MB). Peak memory consumption was 495.9 MB. Max. memory is 11.5 GB. * CodeCheck took 9991.71 ms. Allocated memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 91.8 MB). Free memory was 809.4 MB in the beginning and 1.1 GB in the end (delta: -263.7 MB). There was no memory consumed. Max. memory is 11.5 GB. * Witness Printer took 126.49 ms. Allocated memory is still 1.4 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 21.4 MB). Peak memory consumption was 21.4 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...