./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem11_label32_true-unreach-call.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_876587cb-b702-4e55-909c-58e9bf70dea5/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_876587cb-b702-4e55-909c-58e9bf70dea5/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_876587cb-b702-4e55-909c-58e9bf70dea5/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_876587cb-b702-4e55-909c-58e9bf70dea5/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem11_label32_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_876587cb-b702-4e55-909c-58e9bf70dea5/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_876587cb-b702-4e55-909c-58e9bf70dea5/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 70570f9230a936eeca9efadc2f62d40ff3c801f1 ............................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-01 20:01:43,689 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-01 20:01:43,690 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-01 20:01:43,696 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-01 20:01:43,696 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-01 20:01:43,697 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-01 20:01:43,697 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-01 20:01:43,698 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-01 20:01:43,699 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-01 20:01:43,699 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-01 20:01:43,700 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-01 20:01:43,700 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-01 20:01:43,700 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-01 20:01:43,701 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-01 20:01:43,701 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-01 20:01:43,702 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-01 20:01:43,702 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-01 20:01:43,703 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-01 20:01:43,704 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-01 20:01:43,705 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-01 20:01:43,705 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-01 20:01:43,706 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-01 20:01:43,707 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-01 20:01:43,707 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-01 20:01:43,707 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-01 20:01:43,708 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-01 20:01:43,708 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-01 20:01:43,709 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-01 20:01:43,709 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-01 20:01:43,710 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-01 20:01:43,710 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-01 20:01:43,710 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-01 20:01:43,710 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-01 20:01:43,710 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-01 20:01:43,711 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-01 20:01:43,711 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-01 20:01:43,711 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_876587cb-b702-4e55-909c-58e9bf70dea5/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-12-01 20:01:43,719 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-01 20:01:43,719 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-01 20:01:43,719 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-01 20:01:43,719 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-12-01 20:01:43,719 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-01 20:01:43,720 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-01 20:01:43,720 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-01 20:01:43,720 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-01 20:01:43,720 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-01 20:01:43,720 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-01 20:01:43,720 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-01 20:01:43,720 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-01 20:01:43,720 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-01 20:01:43,720 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-01 20:01:43,720 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-01 20:01:43,720 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-01 20:01:43,720 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-01 20:01:43,721 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-01 20:01:43,721 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-12-01 20:01:43,721 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-12-01 20:01:43,721 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-01 20:01:43,721 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-01 20:01:43,721 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-01 20:01:43,721 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-01 20:01:43,721 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-01 20:01:43,721 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-01 20:01:43,721 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-12-01 20:01:43,721 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-01 20:01:43,721 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-01 20:01:43,722 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_876587cb-b702-4e55-909c-58e9bf70dea5/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 -> 70570f9230a936eeca9efadc2f62d40ff3c801f1 [2018-12-01 20:01:43,739 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-01 20:01:43,748 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-01 20:01:43,750 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-01 20:01:43,751 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-01 20:01:43,752 INFO L276 PluginConnector]: CDTParser initialized [2018-12-01 20:01:43,752 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_876587cb-b702-4e55-909c-58e9bf70dea5/bin-2019/ukojak/../../sv-benchmarks/c/eca-rers2012/Problem11_label32_true-unreach-call.c [2018-12-01 20:01:43,793 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_876587cb-b702-4e55-909c-58e9bf70dea5/bin-2019/ukojak/data/8554e2cf7/d4e6706dc3da4d21975f02223e8a0da1/FLAG99c4067c2 [2018-12-01 20:01:44,264 INFO L307 CDTParser]: Found 1 translation units. [2018-12-01 20:01:44,264 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_876587cb-b702-4e55-909c-58e9bf70dea5/sv-benchmarks/c/eca-rers2012/Problem11_label32_true-unreach-call.c [2018-12-01 20:01:44,272 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_876587cb-b702-4e55-909c-58e9bf70dea5/bin-2019/ukojak/data/8554e2cf7/d4e6706dc3da4d21975f02223e8a0da1/FLAG99c4067c2 [2018-12-01 20:01:44,282 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_876587cb-b702-4e55-909c-58e9bf70dea5/bin-2019/ukojak/data/8554e2cf7/d4e6706dc3da4d21975f02223e8a0da1 [2018-12-01 20:01:44,284 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-01 20:01:44,285 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-01 20:01:44,285 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-01 20:01:44,285 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-01 20:01:44,287 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-01 20:01:44,288 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 08:01:44" (1/1) ... [2018-12-01 20:01:44,289 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@770bfda7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 08:01:44, skipping insertion in model container [2018-12-01 20:01:44,290 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 08:01:44" (1/1) ... [2018-12-01 20:01:44,294 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-01 20:01:44,327 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-01 20:01:44,558 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-01 20:01:44,561 INFO L191 MainTranslator]: Completed pre-run [2018-12-01 20:01:44,721 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-01 20:01:44,734 INFO L195 MainTranslator]: Completed translation [2018-12-01 20:01:44,734 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 08:01:44 WrapperNode [2018-12-01 20:01:44,735 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-01 20:01:44,735 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-01 20:01:44,735 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-01 20:01:44,735 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-01 20:01:44,742 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 08:01:44" (1/1) ... [2018-12-01 20:01:44,758 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 08:01:44" (1/1) ... [2018-12-01 20:01:44,815 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-01 20:01:44,816 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-01 20:01:44,816 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-01 20:01:44,816 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-01 20:01:44,823 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 08:01:44" (1/1) ... [2018-12-01 20:01:44,823 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 08:01:44" (1/1) ... [2018-12-01 20:01:44,831 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 08:01:44" (1/1) ... [2018-12-01 20:01:44,831 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 08:01:44" (1/1) ... [2018-12-01 20:01:44,856 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 08:01:44" (1/1) ... [2018-12-01 20:01:44,865 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 08:01:44" (1/1) ... [2018-12-01 20:01:44,879 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 08:01:44" (1/1) ... [2018-12-01 20:01:44,887 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-01 20:01:44,887 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-01 20:01:44,887 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-01 20:01:44,887 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-01 20:01:44,888 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 08:01:44" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_876587cb-b702-4e55-909c-58e9bf70dea5/bin-2019/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-01 20:01:44,924 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-01 20:01:44,924 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-01 20:08:45,011 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-01 20:08:45,011 INFO L280 CfgBuilder]: Removed 7 assue(true) statements. [2018-12-01 20:08:45,011 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 08:08:45 BoogieIcfgContainer [2018-12-01 20:08:45,011 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-01 20:08:45,012 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-12-01 20:08:45,012 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-12-01 20:08:45,018 INFO L276 PluginConnector]: CodeCheck initialized [2018-12-01 20:08:45,018 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 08:08:45" (1/1) ... [2018-12-01 20:08:45,025 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 20:08:45,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 20:08:45,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2018-12-01 20:08:45,047 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2018-12-01 20:08:45,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-12-01 20:08:45,049 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 20:08:45,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 20:08:45,148 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 20:08:45,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 20:08:45,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 12 states and 15 transitions. [2018-12-01 20:08:45,224 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 15 transitions. [2018-12-01 20:08:45,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-12-01 20:08:45,225 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 20:08:45,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 20:08:45,627 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 20:08:55,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 20:08:55,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 30 states to 19 states and 30 transitions. [2018-12-01 20:08:55,887 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 30 transitions. [2018-12-01 20:08:55,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-12-01 20:08:55,889 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 20:08:55,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 20:08:56,518 WARN L180 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 59 DAG size of output: 41 [2018-12-01 20:08:56,640 WARN L180 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 87 DAG size of output: 46 [2018-12-01 20:08:56,689 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 20:09:27,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 20:09:27,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 61 states to 30 states and 61 transitions. [2018-12-01 20:09:27,914 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 61 transitions. [2018-12-01 20:09:27,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-12-01 20:09:27,914 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 20:09:28,002 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 20:09:28,227 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-01 20:09:28,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 20:09:28,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 33 states and 69 transitions. [2018-12-01 20:09:28,675 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 69 transitions. [2018-12-01 20:09:28,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-12-01 20:09:28,675 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 20:09:28,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 20:09:29,285 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 2 proven. 9 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-01 20:10:00,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 20:10:00,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 82 states to 37 states and 82 transitions. [2018-12-01 20:10:00,496 INFO L276 IsEmpty]: Start isEmpty. Operand 37 states and 82 transitions. [2018-12-01 20:10:00,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-12-01 20:10:00,497 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 20:10:00,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 20:10:01,038 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 2 proven. 9 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-01 20:10:01,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 20:10:01,214 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 84 states to 38 states and 84 transitions. [2018-12-01 20:10:01,214 INFO L276 IsEmpty]: Start isEmpty. Operand 38 states and 84 transitions. [2018-12-01 20:10:01,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-12-01 20:10:01,215 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 20:10:01,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 20:10:01,625 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 2 proven. 9 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-01 20:10:02,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 20:10:02,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 41 states and 88 transitions. [2018-12-01 20:10:02,055 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 88 transitions. [2018-12-01 20:10:02,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-12-01 20:10:02,056 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 20:10:02,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 20:10:02,435 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 2 proven. 9 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-12-01 20:10:02,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 20:10:02,614 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 43 states and 90 transitions. [2018-12-01 20:10:02,615 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 90 transitions. [2018-12-01 20:10:02,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-12-01 20:10:02,615 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 20:10:02,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 20:10:03,231 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 3 proven. 12 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2018-12-01 20:10:03,935 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 20:10:03,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 100 states to 48 states and 100 transitions. [2018-12-01 20:10:03,935 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 100 transitions. [2018-12-01 20:10:03,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-12-01 20:10:03,936 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 20:10:04,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 20:10:04,372 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 3 proven. 12 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2018-12-01 20:10:14,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 20:10:14,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 62 states to 30 states and 62 transitions. [2018-12-01 20:10:14,842 INFO L276 IsEmpty]: Start isEmpty. Operand 30 states and 62 transitions. [2018-12-01 20:10:14,843 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-01 20:10:14,843 WARN L428 CodeCheckObserver]: This Program is SAFE, Check terminated with 11 iterations. [2018-12-01 20:10:14,849 INFO L779 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-12-01 20:10:15,084 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-01 20:10:15,086 INFO L583 CodeCheckObserver]: Invariant with dag size 30 [2018-12-01 20:10:15,093 INFO L583 CodeCheckObserver]: Invariant with dag size 27 [2018-12-01 20:10:15,094 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 01.12 08:10:15 ImpRootNode [2018-12-01 20:10:15,094 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-12-01 20:10:15,094 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-01 20:10:15,094 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-01 20:10:15,094 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-01 20:10:15,095 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 08:08:45" (3/4) ... [2018-12-01 20:10:15,097 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-01 20:10:15,115 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 249 nodes and edges [2018-12-01 20:10:15,116 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 23 nodes and edges [2018-12-01 20:10:15,117 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2018-12-01 20:10:15,118 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-12-01 20:10:15,251 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_876587cb-b702-4e55-909c-58e9bf70dea5/bin-2019/ukojak/witness.graphml [2018-12-01 20:10:15,251 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-01 20:10:15,251 INFO L168 Benchmark]: Toolchain (without parser) took 510967.40 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 330.3 MB). Free memory was 951.7 MB in the beginning and 1.2 GB in the end (delta: -218.6 MB). Peak memory consumption was 561.7 MB. Max. memory is 11.5 GB. [2018-12-01 20:10:15,252 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-01 20:10:15,252 INFO L168 Benchmark]: CACSL2BoogieTranslator took 449.77 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 93.3 MB). Free memory was 951.7 MB in the beginning and 1.1 GB in the end (delta: -116.8 MB). Peak memory consumption was 58.6 MB. Max. memory is 11.5 GB. [2018-12-01 20:10:15,253 INFO L168 Benchmark]: Boogie Procedure Inliner took 80.44 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 17.2 MB). Peak memory consumption was 17.2 MB. Max. memory is 11.5 GB. [2018-12-01 20:10:15,253 INFO L168 Benchmark]: Boogie Preprocessor took 71.15 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-12-01 20:10:15,253 INFO L168 Benchmark]: RCFGBuilder took 420124.41 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 55.1 MB). Free memory was 1.0 GB in the beginning and 741.0 MB in the end (delta: 299.6 MB). Peak memory consumption was 407.9 MB. Max. memory is 11.5 GB. [2018-12-01 20:10:15,253 INFO L168 Benchmark]: CodeCheck took 90081.94 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 181.4 MB). Free memory was 741.0 MB in the beginning and 762.9 MB in the end (delta: -21.9 MB). Peak memory consumption was 159.5 MB. Max. memory is 11.5 GB. [2018-12-01 20:10:15,254 INFO L168 Benchmark]: Witness Printer took 156.95 ms. Allocated memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 524.3 kB). Free memory was 762.9 MB in the beginning and 1.2 GB in the end (delta: -407.4 MB). Peak memory consumption was 43.1 MB. Max. memory is 11.5 GB. [2018-12-01 20:10:15,255 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, 89.8s OverallTime, 11 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 6596 SDtfs, 12870 SDslu, 9096 SDs, 0 SdLazy, 42938 SolverSat, 5246 SolverUnsat, 1474 SolverUnknown, 0 SolverNotchecked, 528.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1627 GetRequests, 1414 SyntacticMatches, 95 SemanticMatches, 118 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8089 ImplicationChecksByTransitivity, 4.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 1.1s SatisfiabilityAnalysisTime, 3.3s InterpolantComputationTime, 150 NumberOfCodeBlocks, 150 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 140 ConstructedInterpolants, 0 QuantifiedInterpolants, 33388 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 10 InterpolantComputations, 1 PerfectInterpolantSequences, 96/179 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 126]: 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 && a3 == 1) && (139 <= a23 || a23 + 43 <= 0)) || ((a8 == 15 && (a29 + 22 <= 0 || !(a4 == 1))) && a3 == 1)) || ((a8 == 15 && !(a25 == 12)) && a3 == 1) - InvariantResult [Line: 22]: Loop Invariant Derived loop invariant: (a8 == 15 && (((((!(a25 == 12) || a29 <= 245) || !(a4 == 1)) || 277 < a29) || a23 + 43 <= 0) || 138 < a23)) && a3 == 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 449.77 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 93.3 MB). Free memory was 951.7 MB in the beginning and 1.1 GB in the end (delta: -116.8 MB). Peak memory consumption was 58.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 80.44 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 17.2 MB). Peak memory consumption was 17.2 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 71.15 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 420124.41 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 55.1 MB). Free memory was 1.0 GB in the beginning and 741.0 MB in the end (delta: 299.6 MB). Peak memory consumption was 407.9 MB. Max. memory is 11.5 GB. * CodeCheck took 90081.94 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 181.4 MB). Free memory was 741.0 MB in the beginning and 762.9 MB in the end (delta: -21.9 MB). Peak memory consumption was 159.5 MB. Max. memory is 11.5 GB. * Witness Printer took 156.95 ms. Allocated memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 524.3 kB). Free memory was 762.9 MB in the beginning and 1.2 GB in the end (delta: -407.4 MB). Peak memory consumption was 43.1 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...