./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem11_label44_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_0815865f-df21-4888-a64b-d3dfbe995b63/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_0815865f-df21-4888-a64b-d3dfbe995b63/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_0815865f-df21-4888-a64b-d3dfbe995b63/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_0815865f-df21-4888-a64b-d3dfbe995b63/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem11_label44_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_0815865f-df21-4888-a64b-d3dfbe995b63/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_0815865f-df21-4888-a64b-d3dfbe995b63/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 06d11383001c52cfbf19a51eafe2dc3d238c9679 ...................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-aa41828 [2018-11-22 23:44:56,618 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-22 23:44:56,619 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-22 23:44:56,624 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-22 23:44:56,625 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-22 23:44:56,625 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-22 23:44:56,626 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-22 23:44:56,627 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-22 23:44:56,628 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-22 23:44:56,629 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-22 23:44:56,629 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-22 23:44:56,630 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-22 23:44:56,630 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-22 23:44:56,631 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-22 23:44:56,631 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-22 23:44:56,632 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-22 23:44:56,632 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-22 23:44:56,633 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-22 23:44:56,634 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-22 23:44:56,635 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-22 23:44:56,635 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-22 23:44:56,636 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-22 23:44:56,637 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-22 23:44:56,637 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-22 23:44:56,637 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-22 23:44:56,638 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-22 23:44:56,638 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-22 23:44:56,639 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-22 23:44:56,639 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-22 23:44:56,640 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-22 23:44:56,640 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-22 23:44:56,641 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-22 23:44:56,641 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-22 23:44:56,641 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-22 23:44:56,642 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-22 23:44:56,642 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-22 23:44:56,642 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_0815865f-df21-4888-a64b-d3dfbe995b63/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-11-22 23:44:56,650 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-22 23:44:56,650 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-22 23:44:56,651 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-22 23:44:56,651 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-11-22 23:44:56,651 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-22 23:44:56,651 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-22 23:44:56,652 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-22 23:44:56,652 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-22 23:44:56,652 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-22 23:44:56,652 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-22 23:44:56,652 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-22 23:44:56,652 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-22 23:44:56,652 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-22 23:44:56,653 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-22 23:44:56,653 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-22 23:44:56,653 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-22 23:44:56,653 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-22 23:44:56,653 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-22 23:44:56,653 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-22 23:44:56,653 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-22 23:44:56,653 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-22 23:44:56,654 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-22 23:44:56,654 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-22 23:44:56,654 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-22 23:44:56,654 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-22 23:44:56,654 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-22 23:44:56,654 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-22 23:44:56,654 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-22 23:44:56,655 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-22 23:44:56,655 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_0815865f-df21-4888-a64b-d3dfbe995b63/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 -> 06d11383001c52cfbf19a51eafe2dc3d238c9679 [2018-11-22 23:44:56,678 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-22 23:44:56,687 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-22 23:44:56,690 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-22 23:44:56,691 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-22 23:44:56,692 INFO L276 PluginConnector]: CDTParser initialized [2018-11-22 23:44:56,692 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_0815865f-df21-4888-a64b-d3dfbe995b63/bin-2019/ukojak/../../sv-benchmarks/c/eca-rers2012/Problem11_label44_true-unreach-call.c [2018-11-22 23:44:56,736 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_0815865f-df21-4888-a64b-d3dfbe995b63/bin-2019/ukojak/data/d9689c831/dc0626cc499d4c4eb4450b12bb7a697b/FLAGc04264296 [2018-11-22 23:44:57,202 INFO L307 CDTParser]: Found 1 translation units. [2018-11-22 23:44:57,203 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_0815865f-df21-4888-a64b-d3dfbe995b63/sv-benchmarks/c/eca-rers2012/Problem11_label44_true-unreach-call.c [2018-11-22 23:44:57,213 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_0815865f-df21-4888-a64b-d3dfbe995b63/bin-2019/ukojak/data/d9689c831/dc0626cc499d4c4eb4450b12bb7a697b/FLAGc04264296 [2018-11-22 23:44:57,714 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_0815865f-df21-4888-a64b-d3dfbe995b63/bin-2019/ukojak/data/d9689c831/dc0626cc499d4c4eb4450b12bb7a697b [2018-11-22 23:44:57,716 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-22 23:44:57,718 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-22 23:44:57,718 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-22 23:44:57,718 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-22 23:44:57,720 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-22 23:44:57,721 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 11:44:57" (1/1) ... [2018-11-22 23:44:57,723 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3f7a14e3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:44:57, skipping insertion in model container [2018-11-22 23:44:57,723 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 11:44:57" (1/1) ... [2018-11-22 23:44:57,731 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-22 23:44:57,779 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-22 23:44:58,086 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-22 23:44:58,089 INFO L191 MainTranslator]: Completed pre-run [2018-11-22 23:44:58,273 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-22 23:44:58,286 INFO L195 MainTranslator]: Completed translation [2018-11-22 23:44:58,286 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:44:58 WrapperNode [2018-11-22 23:44:58,286 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-22 23:44:58,287 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-22 23:44:58,287 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-22 23:44:58,287 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-22 23:44:58,294 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:44:58" (1/1) ... [2018-11-22 23:44:58,312 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:44:58" (1/1) ... [2018-11-22 23:44:58,368 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-22 23:44:58,369 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-22 23:44:58,369 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-22 23:44:58,369 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-22 23:44:58,377 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:44:58" (1/1) ... [2018-11-22 23:44:58,377 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:44:58" (1/1) ... [2018-11-22 23:44:58,384 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:44:58" (1/1) ... [2018-11-22 23:44:58,384 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:44:58" (1/1) ... [2018-11-22 23:44:58,408 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:44:58" (1/1) ... [2018-11-22 23:44:58,416 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:44:58" (1/1) ... [2018-11-22 23:44:58,429 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:44:58" (1/1) ... [2018-11-22 23:44:58,440 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-22 23:44:58,441 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-22 23:44:58,441 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-22 23:44:58,441 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-22 23:44:58,441 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 11:44:58" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_0815865f-df21-4888-a64b-d3dfbe995b63/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 [2018-11-22 23:44:58,488 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-22 23:44:58,489 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-22 23:44:58,489 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-22 23:53:03,951 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-22 23:53:03,951 INFO L280 CfgBuilder]: Removed 7 assue(true) statements. [2018-11-22 23:53:03,952 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 11:53:03 BoogieIcfgContainer [2018-11-22 23:53:03,952 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-22 23:53:03,952 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-22 23:53:03,952 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-22 23:53:03,959 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-22 23:53:03,959 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 11:53:03" (1/1) ... [2018-11-22 23:53:03,966 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 23:53:03,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 23:53:03,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2018-11-22 23:53:03,989 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2018-11-22 23:53:03,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-11-22 23:53:03,991 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 23:53:04,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:53:04,131 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 23:53:04,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 23:53:04,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 12 states and 15 transitions. [2018-11-22 23:53:04,206 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 15 transitions. [2018-11-22 23:53:04,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-11-22 23:53:04,207 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 23:53:04,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:53:04,900 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 23:53:16,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 23:53:16,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 19 states and 30 transitions. [2018-11-22 23:53:16,849 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 30 transitions. [2018-11-22 23:53:16,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-11-22 23:53:16,852 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 23:53:17,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:53:17,946 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 23:53:28,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 23:53:28,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 26 states and 50 transitions. [2018-11-22 23:53:28,665 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 50 transitions. [2018-11-22 23:53:28,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-11-22 23:53:28,665 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 23:53:28,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:53:29,144 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 23:53:29,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 23:53:29,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 28 states and 55 transitions. [2018-11-22 23:53:29,378 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 55 transitions. [2018-11-22 23:53:29,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-11-22 23:53:29,379 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 23:53:29,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:53:29,948 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 23:53:30,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 23:53:30,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 29 states and 57 transitions. [2018-11-22 23:53:30,235 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 57 transitions. [2018-11-22 23:53:30,235 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-11-22 23:53:30,235 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 23:53:30,482 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:53:34,110 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 2 proven. 9 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-22 23:53:45,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 23:53:45,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 35 states and 74 transitions. [2018-11-22 23:53:45,827 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 74 transitions. [2018-11-22 23:53:45,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-11-22 23:53:45,828 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 23:53:46,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:53:48,208 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 2 proven. 9 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-22 23:54:08,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 23:54:08,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 38 states and 79 transitions. [2018-11-22 23:54:08,666 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 79 transitions. [2018-11-22 23:54:08,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-11-22 23:54:08,667 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 23:54:08,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:54:10,593 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 2 proven. 9 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-22 23:54:20,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 23:54:20,886 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 41 states and 82 transitions. [2018-11-22 23:54:20,886 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 82 transitions. [2018-11-22 23:54:20,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-11-22 23:54:20,887 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 23:54:21,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 23:54:21,609 WARN L180 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 28 [2018-11-22 23:54:21,633 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 3 proven. 12 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2018-11-22 23:54:21,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 23:54:21,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 51 states to 26 states and 51 transitions. [2018-11-22 23:54:21,890 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 51 transitions. [2018-11-22 23:54:21,890 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-22 23:54:21,890 WARN L424 CodeCheckObserver]: This Program is SAFE, Check terminated with 10 iterations. [2018-11-22 23:54:21,896 INFO L775 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-11-22 23:54:22,146 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-22 23:54:22,148 INFO L579 CodeCheckObserver]: Invariant with dag size 28 [2018-11-22 23:54:22,155 INFO L579 CodeCheckObserver]: Invariant with dag size 27 [2018-11-22 23:54:22,156 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 22.11 11:54:22 ImpRootNode [2018-11-22 23:54:22,156 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-22 23:54:22,156 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-22 23:54:22,157 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-22 23:54:22,157 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-22 23:54:22,158 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 11:53:03" (3/4) ... [2018-11-22 23:54:22,162 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-22 23:54:22,183 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 248 nodes and edges [2018-11-22 23:54:22,185 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 22 nodes and edges [2018-11-22 23:54:22,187 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2018-11-22 23:54:22,188 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-22 23:54:22,315 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_0815865f-df21-4888-a64b-d3dfbe995b63/bin-2019/ukojak/witness.graphml [2018-11-22 23:54:22,316 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-22 23:54:22,316 INFO L168 Benchmark]: Toolchain (without parser) took 564599.51 ms. Allocated memory was 1.0 GB in the beginning and 1.8 GB in the end (delta: 739.8 MB). Free memory was 956.6 MB in the beginning and 1.4 GB in the end (delta: -415.9 MB). Peak memory consumption was 323.9 MB. Max. memory is 11.5 GB. [2018-11-22 23:54:22,317 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 982.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-22 23:54:22,317 INFO L168 Benchmark]: CACSL2BoogieTranslator took 568.44 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 131.6 MB). Free memory was 956.6 MB in the beginning and 1.1 GB in the end (delta: -155.6 MB). Peak memory consumption was 75.0 MB. Max. memory is 11.5 GB. [2018-11-22 23:54:22,318 INFO L168 Benchmark]: Boogie Procedure Inliner took 81.45 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: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2018-11-22 23:54:22,318 INFO L168 Benchmark]: Boogie Preprocessor took 71.76 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: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-11-22 23:54:22,318 INFO L168 Benchmark]: RCFGBuilder took 485511.12 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 51.4 MB). Free memory was 1.1 GB in the beginning and 780.2 MB in the end (delta: 305.1 MB). Peak memory consumption was 419.1 MB. Max. memory is 11.5 GB. [2018-11-22 23:54:22,319 INFO L168 Benchmark]: CodeCheck took 78204.18 ms. Allocated memory was 1.2 GB in the beginning and 1.8 GB in the end (delta: 556.8 MB). Free memory was 780.2 MB in the beginning and 1.4 GB in the end (delta: -625.0 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-11-22 23:54:22,319 INFO L168 Benchmark]: Witness Printer took 159.22 ms. Allocated memory is still 1.8 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 32.8 MB). Peak memory consumption was 32.8 MB. Max. memory is 11.5 GB. [2018-11-22 23:54:22,321 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, 283 locations, 1 error locations. SAFE Result, 77.9s OverallTime, 10 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 3036 SDtfs, 5730 SDslu, 4024 SDs, 0 SdLazy, 17378 SolverSat, 1864 SolverUnsat, 420 SolverUnknown, 0 SolverNotchecked, 291.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1314 GetRequests, 1145 SyntacticMatches, 75 SemanticMatches, 94 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4834 ImplicationChecksByTransitivity, 3.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 1.5s SatisfiabilityAnalysisTime, 10.2s InterpolantComputationTime, 125 NumberOfCodeBlocks, 125 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 116 ConstructedInterpolants, 0 QuantifiedInterpolants, 25812 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 9 InterpolantComputations, 1 PerfectInterpolantSequences, 60/132 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: 84]: 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: 1028]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 1034]: Loop Invariant Derived loop invariant: (((a8 == 15 && (((246 <= a29 || !(a4 == 1)) || 307 <= a23) || a29 <= 140)) && a3 == 1) || ((a8 == 15 && !(a25 == 9)) && a3 == 1)) || ((a8 == 15 && a23 <= 138) && a3 == 1) - InvariantResult [Line: 22]: Loop Invariant Derived loop invariant: ((a8 == 15 && ((((!(a25 == 9) || 306 < a23) || a23 <= 138) || !(a4 == 1)) || a29 <= 140)) && a3 == 1) || ((a8 == 15 && a3 == 1) && 245 < a29) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 982.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 568.44 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 131.6 MB). Free memory was 956.6 MB in the beginning and 1.1 GB in the end (delta: -155.6 MB). Peak memory consumption was 75.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 81.45 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: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 71.76 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: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 485511.12 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 51.4 MB). Free memory was 1.1 GB in the beginning and 780.2 MB in the end (delta: 305.1 MB). Peak memory consumption was 419.1 MB. Max. memory is 11.5 GB. * CodeCheck took 78204.18 ms. Allocated memory was 1.2 GB in the beginning and 1.8 GB in the end (delta: 556.8 MB). Free memory was 780.2 MB in the beginning and 1.4 GB in the end (delta: -625.0 MB). There was no memory consumed. Max. memory is 11.5 GB. * Witness Printer took 159.22 ms. Allocated memory is still 1.8 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 32.8 MB). Peak memory consumption was 32.8 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...