./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem10_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_2e6d429f-8314-4edb-9d67-eafd9a07a374/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_2e6d429f-8314-4edb-9d67-eafd9a07a374/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_2e6d429f-8314-4edb-9d67-eafd9a07a374/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_2e6d429f-8314-4edb-9d67-eafd9a07a374/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem10_label32_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_2e6d429f-8314-4edb-9d67-eafd9a07a374/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_2e6d429f-8314-4edb-9d67-eafd9a07a374/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 f7c43460f02bb9f2348720ab45b0132bbccce529 ................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-02 14:38:11,830 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-02 14:38:11,830 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-02 14:38:11,837 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-02 14:38:11,837 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-02 14:38:11,837 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-02 14:38:11,838 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-02 14:38:11,839 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-02 14:38:11,840 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-02 14:38:11,840 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-02 14:38:11,841 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-02 14:38:11,841 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-02 14:38:11,841 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-02 14:38:11,842 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-02 14:38:11,842 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-02 14:38:11,843 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-02 14:38:11,843 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-02 14:38:11,844 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-02 14:38:11,845 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-02 14:38:11,846 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-02 14:38:11,847 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-02 14:38:11,847 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-02 14:38:11,848 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-02 14:38:11,849 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-02 14:38:11,849 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-02 14:38:11,849 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-02 14:38:11,850 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-02 14:38:11,850 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-02 14:38:11,851 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-02 14:38:11,851 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-02 14:38:11,851 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-02 14:38:11,852 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-02 14:38:11,852 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-02 14:38:11,852 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-02 14:38:11,853 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-02 14:38:11,853 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-02 14:38:11,853 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_2e6d429f-8314-4edb-9d67-eafd9a07a374/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-12-02 14:38:11,860 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-02 14:38:11,861 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-02 14:38:11,861 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-02 14:38:11,861 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-12-02 14:38:11,862 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-02 14:38:11,862 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-02 14:38:11,862 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-02 14:38:11,862 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-02 14:38:11,862 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-02 14:38:11,862 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-02 14:38:11,862 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-02 14:38:11,862 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-02 14:38:11,863 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-02 14:38:11,863 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-02 14:38:11,863 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-02 14:38:11,863 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-02 14:38:11,863 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-02 14:38:11,863 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-02 14:38:11,863 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-12-02 14:38:11,863 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-12-02 14:38:11,864 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-02 14:38:11,864 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-02 14:38:11,864 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-02 14:38:11,864 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-02 14:38:11,864 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-02 14:38:11,864 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-02 14:38:11,864 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-12-02 14:38:11,864 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-02 14:38:11,865 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-02 14:38:11,865 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_2e6d429f-8314-4edb-9d67-eafd9a07a374/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 -> f7c43460f02bb9f2348720ab45b0132bbccce529 [2018-12-02 14:38:11,883 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-02 14:38:11,891 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-02 14:38:11,894 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-02 14:38:11,895 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-02 14:38:11,895 INFO L276 PluginConnector]: CDTParser initialized [2018-12-02 14:38:11,896 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_2e6d429f-8314-4edb-9d67-eafd9a07a374/bin-2019/ukojak/../../sv-benchmarks/c/eca-rers2012/Problem10_label32_true-unreach-call.c [2018-12-02 14:38:11,938 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_2e6d429f-8314-4edb-9d67-eafd9a07a374/bin-2019/ukojak/data/ca710311a/62f0df1ed62b40948d80d95ddd129338/FLAG69e012930 [2018-12-02 14:38:12,398 INFO L307 CDTParser]: Found 1 translation units. [2018-12-02 14:38:12,399 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_2e6d429f-8314-4edb-9d67-eafd9a07a374/sv-benchmarks/c/eca-rers2012/Problem10_label32_true-unreach-call.c [2018-12-02 14:38:12,408 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_2e6d429f-8314-4edb-9d67-eafd9a07a374/bin-2019/ukojak/data/ca710311a/62f0df1ed62b40948d80d95ddd129338/FLAG69e012930 [2018-12-02 14:38:12,915 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_2e6d429f-8314-4edb-9d67-eafd9a07a374/bin-2019/ukojak/data/ca710311a/62f0df1ed62b40948d80d95ddd129338 [2018-12-02 14:38:12,916 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-02 14:38:12,917 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-02 14:38:12,918 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-02 14:38:12,918 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-02 14:38:12,920 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-02 14:38:12,921 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 02:38:12" (1/1) ... [2018-12-02 14:38:12,923 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@fd2551a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:38:12, skipping insertion in model container [2018-12-02 14:38:12,923 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 02:38:12" (1/1) ... [2018-12-02 14:38:12,927 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-02 14:38:12,957 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-02 14:38:13,147 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 14:38:13,150 INFO L191 MainTranslator]: Completed pre-run [2018-12-02 14:38:13,233 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 14:38:13,242 INFO L195 MainTranslator]: Completed translation [2018-12-02 14:38:13,242 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:38:13 WrapperNode [2018-12-02 14:38:13,242 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-02 14:38:13,243 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-02 14:38:13,243 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-02 14:38:13,243 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-02 14:38:13,248 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:38:13" (1/1) ... [2018-12-02 14:38:13,256 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:38:13" (1/1) ... [2018-12-02 14:38:13,286 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-02 14:38:13,286 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-02 14:38:13,286 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-02 14:38:13,286 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-02 14:38:13,292 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:38:13" (1/1) ... [2018-12-02 14:38:13,292 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:38:13" (1/1) ... [2018-12-02 14:38:13,295 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:38:13" (1/1) ... [2018-12-02 14:38:13,295 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:38:13" (1/1) ... [2018-12-02 14:38:13,306 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:38:13" (1/1) ... [2018-12-02 14:38:13,312 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:38:13" (1/1) ... [2018-12-02 14:38:13,316 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:38:13" (1/1) ... [2018-12-02 14:38:13,322 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-02 14:38:13,322 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-02 14:38:13,322 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-02 14:38:13,322 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-02 14:38:13,323 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:38:13" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_2e6d429f-8314-4edb-9d67-eafd9a07a374/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 [2018-12-02 14:38:13,355 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-02 14:38:13,355 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-02 14:39:18,649 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-02 14:39:18,649 INFO L280 CfgBuilder]: Removed 7 assue(true) statements. [2018-12-02 14:39:18,650 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 02:39:18 BoogieIcfgContainer [2018-12-02 14:39:18,650 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-02 14:39:18,650 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-12-02 14:39:18,650 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-12-02 14:39:18,656 INFO L276 PluginConnector]: CodeCheck initialized [2018-12-02 14:39:18,656 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 02:39:18" (1/1) ... [2018-12-02 14:39:18,663 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 14:39:18,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 14:39:18,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2018-12-02 14:39:18,683 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2018-12-02 14:39:18,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-12-02 14:39:18,685 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 14:39:18,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:39:18,784 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 14:39:18,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 14:39:18,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 12 states and 15 transitions. [2018-12-02 14:39:18,827 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 15 transitions. [2018-12-02 14:39:18,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-12-02 14:39:18,828 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 14:39:18,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:39:19,080 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 14:39:19,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 14:39:19,422 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 33 states to 19 states and 33 transitions. [2018-12-02 14:39:19,422 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 33 transitions. [2018-12-02 14:39:19,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-12-02 14:39:19,424 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 14:39:19,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:39:19,852 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-02 14:39:20,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 14:39:20,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 25 states and 45 transitions. [2018-12-02 14:39:20,426 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 45 transitions. [2018-12-02 14:39:20,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-12-02 14:39:20,427 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 14:39:20,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:39:20,585 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 2 proven. 6 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-02 14:39:20,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 14:39:20,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 16 states and 28 transitions. [2018-12-02 14:39:20,813 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 28 transitions. [2018-12-02 14:39:20,814 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-02 14:39:20,814 WARN L428 CodeCheckObserver]: This Program is SAFE, Check terminated with 5 iterations. [2018-12-02 14:39:20,819 INFO L779 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-12-02 14:39:20,988 INFO L583 CodeCheckObserver]: Invariant with dag size 17 [2018-12-02 14:39:20,996 INFO L583 CodeCheckObserver]: Invariant with dag size 30 [2018-12-02 14:39:20,997 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-02 14:39:20,997 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 02.12 02:39:20 ImpRootNode [2018-12-02 14:39:20,998 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-12-02 14:39:20,998 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-02 14:39:20,998 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-02 14:39:20,998 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-02 14:39:20,999 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 02:39:18" (3/4) ... [2018-12-02 14:39:21,002 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-02 14:39:21,014 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 178 nodes and edges [2018-12-02 14:39:21,014 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 18 nodes and edges [2018-12-02 14:39:21,015 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2018-12-02 14:39:21,015 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-12-02 14:39:21,075 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_2e6d429f-8314-4edb-9d67-eafd9a07a374/bin-2019/ukojak/witness.graphml [2018-12-02 14:39:21,075 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-02 14:39:21,076 INFO L168 Benchmark]: Toolchain (without parser) took 68159.06 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 205.0 MB). Free memory was 950.6 MB in the beginning and 860.0 MB in the end (delta: 90.6 MB). Peak memory consumption was 295.6 MB. Max. memory is 11.5 GB. [2018-12-02 14:39:21,077 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 982.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 14:39:21,077 INFO L168 Benchmark]: CACSL2BoogieTranslator took 324.37 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 111.1 MB). Free memory was 950.6 MB in the beginning and 1.1 GB in the end (delta: -146.1 MB). Peak memory consumption was 37.9 MB. Max. memory is 11.5 GB. [2018-12-02 14:39:21,077 INFO L168 Benchmark]: Boogie Procedure Inliner took 43.68 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: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2018-12-02 14:39:21,077 INFO L168 Benchmark]: Boogie Preprocessor took 35.58 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-12-02 14:39:21,077 INFO L168 Benchmark]: RCFGBuilder took 65327.62 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 40.9 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 26.1 MB). Peak memory consumption was 336.1 MB. Max. memory is 11.5 GB. [2018-12-02 14:39:21,078 INFO L168 Benchmark]: CodeCheck took 2347.73 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 53.0 MB). Free memory was 1.1 GB in the beginning and 881.4 MB in the end (delta: 173.0 MB). Peak memory consumption was 226.0 MB. Max. memory is 11.5 GB. [2018-12-02 14:39:21,078 INFO L168 Benchmark]: Witness Printer took 77.47 ms. Allocated memory is still 1.2 GB. Free memory was 881.4 MB in the beginning and 860.0 MB in the end (delta: 21.4 MB). Peak memory consumption was 21.4 MB. Max. memory is 11.5 GB. [2018-12-02 14:39:21,079 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 206 locations, 1 error locations. SAFE Result, 2.1s OverallTime, 5 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 92 SDtfs, 178 SDslu, 120 SDs, 0 SdLazy, 544 SolverSat, 70 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 406 GetRequests, 335 SyntacticMatches, 13 SemanticMatches, 58 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1330 ImplicationChecksByTransitivity, 1.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.2s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 40 NumberOfCodeBlocks, 40 NumberOfCodeBlocksAsserted, 4 NumberOfCheckSat, 36 ConstructedInterpolants, 0 QuantifiedInterpolants, 5124 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 4 InterpolantComputations, 1 PerfectInterpolantSequences, 8/23 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: 79]: 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: ((!(a10 == 3) && a12 == 0) && a4 == 14) || ((!(a19 == 7) && a12 == 0) && a4 == 14) - InvariantResult [Line: 20]: Loop Invariant Derived loop invariant: ((((!(a19 == 7) || ((38 < a1 || a1 + 13 <= 0) && a1 <= 218)) || !(a10 == 1)) && (((!(a10 == 3) || 38 < a1) || !(a19 == 7)) || a1 + 13 <= 0)) && 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 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 982.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 324.37 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 111.1 MB). Free memory was 950.6 MB in the beginning and 1.1 GB in the end (delta: -146.1 MB). Peak memory consumption was 37.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 43.68 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: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 35.58 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 65327.62 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 40.9 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 26.1 MB). Peak memory consumption was 336.1 MB. Max. memory is 11.5 GB. * CodeCheck took 2347.73 ms. Allocated memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 53.0 MB). Free memory was 1.1 GB in the beginning and 881.4 MB in the end (delta: 173.0 MB). Peak memory consumption was 226.0 MB. Max. memory is 11.5 GB. * Witness Printer took 77.47 ms. Allocated memory is still 1.2 GB. Free memory was 881.4 MB in the beginning and 860.0 MB in the end (delta: 21.4 MB). Peak memory consumption was 21.4 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...