./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem10_label13_true-unreach-call.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5842f4b8 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_bdd59573-baa0-44dd-95d5-4cfe271dac4c/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_bdd59573-baa0-44dd-95d5-4cfe271dac4c/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_bdd59573-baa0-44dd-95d5-4cfe271dac4c/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_bdd59573-baa0-44dd-95d5-4cfe271dac4c/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem10_label13_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_bdd59573-baa0-44dd-95d5-4cfe271dac4c/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_bdd59573-baa0-44dd-95d5-4cfe271dac4c/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 c02679de872b8968623da7b5a7e12653047a8c34 ........................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-5842f4b [2018-11-18 09:26:36,645 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 09:26:36,646 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 09:26:36,653 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 09:26:36,653 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 09:26:36,653 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 09:26:36,654 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 09:26:36,655 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 09:26:36,656 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 09:26:36,657 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 09:26:36,657 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 09:26:36,657 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 09:26:36,658 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 09:26:36,659 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 09:26:36,659 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 09:26:36,660 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 09:26:36,660 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 09:26:36,661 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 09:26:36,663 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 09:26:36,664 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 09:26:36,664 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 09:26:36,665 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 09:26:36,666 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 09:26:36,667 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 09:26:36,667 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 09:26:36,667 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 09:26:36,668 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 09:26:36,668 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 09:26:36,669 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 09:26:36,669 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 09:26:36,670 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 09:26:36,670 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 09:26:36,670 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 09:26:36,670 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 09:26:36,671 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 09:26:36,671 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 09:26:36,672 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_bdd59573-baa0-44dd-95d5-4cfe271dac4c/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-11-18 09:26:36,680 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 09:26:36,680 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 09:26:36,681 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 09:26:36,681 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-18 09:26:36,682 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 09:26:36,682 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 09:26:36,682 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 09:26:36,682 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 09:26:36,682 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 09:26:36,682 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 09:26:36,682 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 09:26:36,682 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 09:26:36,683 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 09:26:36,683 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 09:26:36,683 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 09:26:36,683 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 09:26:36,683 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 09:26:36,683 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 09:26:36,683 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-18 09:26:36,683 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-18 09:26:36,684 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 09:26:36,684 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 09:26:36,684 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-18 09:26:36,684 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 09:26:36,684 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 09:26:36,684 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 09:26:36,684 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-18 09:26:36,685 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 09:26:36,685 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 09:26:36,685 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_bdd59573-baa0-44dd-95d5-4cfe271dac4c/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 -> c02679de872b8968623da7b5a7e12653047a8c34 [2018-11-18 09:26:36,706 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 09:26:36,715 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 09:26:36,716 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 09:26:36,717 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 09:26:36,717 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 09:26:36,718 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_bdd59573-baa0-44dd-95d5-4cfe271dac4c/bin-2019/ukojak/../../sv-benchmarks/c/eca-rers2012/Problem10_label13_true-unreach-call.c [2018-11-18 09:26:36,751 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_bdd59573-baa0-44dd-95d5-4cfe271dac4c/bin-2019/ukojak/data/5d6a32c95/85696d16844a4f4f998c1e9131e888b7/FLAGd1245d351 [2018-11-18 09:26:37,195 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 09:26:37,196 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_bdd59573-baa0-44dd-95d5-4cfe271dac4c/sv-benchmarks/c/eca-rers2012/Problem10_label13_true-unreach-call.c [2018-11-18 09:26:37,204 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_bdd59573-baa0-44dd-95d5-4cfe271dac4c/bin-2019/ukojak/data/5d6a32c95/85696d16844a4f4f998c1e9131e888b7/FLAGd1245d351 [2018-11-18 09:26:37,215 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_bdd59573-baa0-44dd-95d5-4cfe271dac4c/bin-2019/ukojak/data/5d6a32c95/85696d16844a4f4f998c1e9131e888b7 [2018-11-18 09:26:37,217 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 09:26:37,218 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 09:26:37,219 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 09:26:37,219 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 09:26:37,222 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 09:26:37,222 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 09:26:37" (1/1) ... [2018-11-18 09:26:37,224 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@788382f5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:26:37, skipping insertion in model container [2018-11-18 09:26:37,224 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 09:26:37" (1/1) ... [2018-11-18 09:26:37,232 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 09:26:37,262 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 09:26:37,501 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 09:26:37,503 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 09:26:37,571 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 09:26:37,583 INFO L195 MainTranslator]: Completed translation [2018-11-18 09:26:37,583 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:26:37 WrapperNode [2018-11-18 09:26:37,583 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 09:26:37,584 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 09:26:37,584 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 09:26:37,584 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 09:26:37,634 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:26:37" (1/1) ... [2018-11-18 09:26:37,648 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:26:37" (1/1) ... [2018-11-18 09:26:37,691 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 09:26:37,692 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 09:26:37,692 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 09:26:37,692 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 09:26:37,700 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:26:37" (1/1) ... [2018-11-18 09:26:37,700 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:26:37" (1/1) ... [2018-11-18 09:26:37,705 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:26:37" (1/1) ... [2018-11-18 09:26:37,705 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:26:37" (1/1) ... [2018-11-18 09:26:37,724 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:26:37" (1/1) ... [2018-11-18 09:26:37,731 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:26:37" (1/1) ... [2018-11-18 09:26:37,737 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:26:37" (1/1) ... [2018-11-18 09:26:37,744 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 09:26:37,745 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 09:26:37,745 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 09:26:37,745 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 09:26:37,746 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 09:26:37" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_bdd59573-baa0-44dd-95d5-4cfe271dac4c/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 [2018-11-18 09:26:37,791 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-18 09:26:37,791 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 09:26:37,792 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 09:28:09,900 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 09:28:09,900 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 09:28:09 BoogieIcfgContainer [2018-11-18 09:28:09,901 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 09:28:09,901 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-18 09:28:09,901 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-18 09:28:09,907 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-18 09:28:09,908 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 09:28:09" (1/1) ... [2018-11-18 09:28:09,915 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 09:28:09,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 09:28:09,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 10 states and 13 transitions. [2018-11-18 09:28:09,942 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 13 transitions. [2018-11-18 09:28:09,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-11-18 09:28:09,944 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 09:28:10,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:28:10,113 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 09:28:10,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 09:28:10,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 14 states and 17 transitions. [2018-11-18 09:28:10,203 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 17 transitions. [2018-11-18 09:28:10,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-11-18 09:28:10,203 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 09:28:10,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:28:10,546 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 09:28:10,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 09:28:10,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 35 states to 23 states and 35 transitions. [2018-11-18 09:28:10,833 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 35 transitions. [2018-11-18 09:28:10,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-11-18 09:28:10,835 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 09:28:10,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:28:11,229 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 09:28:11,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 09:28:11,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 32 states and 53 transitions. [2018-11-18 09:28:11,750 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 53 transitions. [2018-11-18 09:28:11,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-11-18 09:28:11,751 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 09:28:11,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:28:11,957 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 09:28:12,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 09:28:12,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 35 states and 57 transitions. [2018-11-18 09:28:12,093 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 57 transitions. [2018-11-18 09:28:12,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-11-18 09:28:12,093 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 09:28:12,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:28:12,271 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 09:28:12,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 09:28:12,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 57 states to 36 states and 57 transitions. [2018-11-18 09:28:12,398 INFO L276 IsEmpty]: Start isEmpty. Operand 36 states and 57 transitions. [2018-11-18 09:28:12,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-11-18 09:28:12,399 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 09:28:12,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:28:13,349 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-11-18 09:28:14,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 09:28:14,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 87 states to 50 states and 87 transitions. [2018-11-18 09:28:14,344 INFO L276 IsEmpty]: Start isEmpty. Operand 50 states and 87 transitions. [2018-11-18 09:28:14,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-11-18 09:28:14,344 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 09:28:14,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:28:14,938 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-11-18 09:28:15,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 09:28:15,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 57 states and 95 transitions. [2018-11-18 09:28:15,472 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 95 transitions. [2018-11-18 09:28:15,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-11-18 09:28:15,473 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 09:28:15,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:28:16,098 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 3 proven. 16 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2018-11-18 09:28:16,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 09:28:16,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 60 states and 99 transitions. [2018-11-18 09:28:16,259 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 99 transitions. [2018-11-18 09:28:16,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-11-18 09:28:16,260 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 09:28:16,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:28:16,950 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 3 proven. 16 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2018-11-18 09:28:17,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 09:28:17,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 61 states and 99 transitions. [2018-11-18 09:28:17,058 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 99 transitions. [2018-11-18 09:28:17,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-11-18 09:28:17,059 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 09:28:17,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 09:28:17,520 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 3 proven. 16 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2018-11-18 09:28:17,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 09:28:17,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 68 states to 42 states and 68 transitions. [2018-11-18 09:28:17,637 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 68 transitions. [2018-11-18 09:28:17,637 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 09:28:17,637 WARN L424 CodeCheckObserver]: This Program is SAFE, Check terminated with 11 iterations. [2018-11-18 09:28:17,644 INFO L775 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-11-18 09:28:17,928 INFO L579 CodeCheckObserver]: Invariant with dag size 31 [2018-11-18 09:28:17,938 INFO L579 CodeCheckObserver]: Invariant with dag size 29 [2018-11-18 09:28:17,939 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 09:28:17,939 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 18.11 09:28:17 ImpRootNode [2018-11-18 09:28:17,939 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-18 09:28:17,940 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 09:28:17,940 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 09:28:17,940 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 09:28:17,940 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 09:28:09" (3/4) ... [2018-11-18 09:28:17,946 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-18 09:28:17,961 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 180 nodes and edges [2018-11-18 09:28:17,962 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 19 nodes and edges [2018-11-18 09:28:17,964 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2018-11-18 09:28:17,964 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-18 09:28:18,066 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_bdd59573-baa0-44dd-95d5-4cfe271dac4c/bin-2019/ukojak/witness.graphml [2018-11-18 09:28:18,067 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 09:28:18,068 INFO L168 Benchmark]: Toolchain (without parser) took 100850.22 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 380.6 MB). Free memory was 951.1 MB in the beginning and 814.2 MB in the end (delta: 136.8 MB). Peak memory consumption was 517.4 MB. Max. memory is 11.5 GB. [2018-11-18 09:28:18,069 INFO L168 Benchmark]: CDTParser took 0.10 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. [2018-11-18 09:28:18,069 INFO L168 Benchmark]: CACSL2BoogieTranslator took 364.62 ms. Allocated memory is still 1.0 GB. Free memory was 951.1 MB in the beginning and 921.5 MB in the end (delta: 29.5 MB). Peak memory consumption was 29.5 MB. Max. memory is 11.5 GB. [2018-11-18 09:28:18,069 INFO L168 Benchmark]: Boogie Procedure Inliner took 107.83 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 125.8 MB). Free memory was 918.9 MB in the beginning and 1.1 GB in the end (delta: -197.2 MB). Peak memory consumption was 18.2 MB. Max. memory is 11.5 GB. [2018-11-18 09:28:18,070 INFO L168 Benchmark]: Boogie Preprocessor took 52.94 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: 6.4 MB). Peak memory consumption was 6.4 MB. Max. memory is 11.5 GB. [2018-11-18 09:28:18,070 INFO L168 Benchmark]: RCFGBuilder took 92155.82 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 38.8 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 53.5 MB). Peak memory consumption was 348.3 MB. Max. memory is 11.5 GB. [2018-11-18 09:28:18,070 INFO L168 Benchmark]: CodeCheck took 8038.41 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 216.0 MB). Free memory was 1.1 GB in the beginning and 830.1 MB in the end (delta: 226.0 MB). Peak memory consumption was 442.0 MB. Max. memory is 11.5 GB. [2018-11-18 09:28:18,072 INFO L168 Benchmark]: Witness Printer took 127.19 ms. Allocated memory is still 1.4 GB. Free memory was 830.1 MB in the beginning and 814.2 MB in the end (delta: 15.9 MB). Peak memory consumption was 15.9 MB. Max. memory is 11.5 GB. [2018-11-18 09:28:18,074 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 207 locations, 1 error locations. SAFE Result, 7.7s OverallTime, 11 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 7184 SDtfs, 16888 SDslu, 16448 SDs, 0 SdLazy, 36568 SolverSat, 4720 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 3.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1776 GetRequests, 1562 SyntacticMatches, 96 SemanticMatches, 118 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8124 ImplicationChecksByTransitivity, 3.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 1.0s SatisfiabilityAnalysisTime, 3.4s InterpolantComputationTime, 185 NumberOfCodeBlocks, 185 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 175 ConstructedInterpolants, 0 QuantifiedInterpolants, 36145 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 10 InterpolantComputations, 1 PerfectInterpolantSequences, 100/235 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: 169]: 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 || 219 <= a1) && a12 == 0) && a4 == 14) || ((a12 == 0 && a4 == 14) && !(a10 == 3))) || ((!(a19 == 6) && a12 == 0) && a4 == 14)) || (a19 == 8 || a19 == 7) || 9 <= a19 - InvariantResult [Line: 20]: Loop Invariant Derived loop invariant: ((a19 == 8 || a19 == 7) || 9 <= a19) || (((((a1 <= 38 || !(a10 == 3)) || 218 < a1) || !(a19 == 6)) && 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 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 364.62 ms. Allocated memory is still 1.0 GB. Free memory was 951.1 MB in the beginning and 921.5 MB in the end (delta: 29.5 MB). Peak memory consumption was 29.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 107.83 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 125.8 MB). Free memory was 918.9 MB in the beginning and 1.1 GB in the end (delta: -197.2 MB). Peak memory consumption was 18.2 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 52.94 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: 6.4 MB). Peak memory consumption was 6.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 92155.82 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 38.8 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 53.5 MB). Peak memory consumption was 348.3 MB. Max. memory is 11.5 GB. * CodeCheck took 8038.41 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 216.0 MB). Free memory was 1.1 GB in the beginning and 830.1 MB in the end (delta: 226.0 MB). Peak memory consumption was 442.0 MB. Max. memory is 11.5 GB. * Witness Printer took 127.19 ms. Allocated memory is still 1.4 GB. Free memory was 830.1 MB in the beginning and 814.2 MB in the end (delta: 15.9 MB). Peak memory consumption was 15.9 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...