./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem10_label10_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_34961ce3-fda3-4554-8d37-7e34717913a7/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_34961ce3-fda3-4554-8d37-7e34717913a7/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_34961ce3-fda3-4554-8d37-7e34717913a7/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_34961ce3-fda3-4554-8d37-7e34717913a7/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem10_label10_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_34961ce3-fda3-4554-8d37-7e34717913a7/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_34961ce3-fda3-4554-8d37-7e34717913a7/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 96c689d8b65aac27592df43d0140c8853a936fe2 ............................................................................................................................................................................................................................................... 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 13:24:11,990 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-01 13:24:11,991 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-01 13:24:11,997 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-01 13:24:11,997 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-01 13:24:11,998 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-01 13:24:11,998 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-01 13:24:11,999 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-01 13:24:12,000 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-01 13:24:12,000 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-01 13:24:12,001 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-01 13:24:12,001 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-01 13:24:12,001 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-01 13:24:12,002 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-01 13:24:12,002 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-01 13:24:12,003 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-01 13:24:12,003 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-01 13:24:12,004 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-01 13:24:12,005 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-01 13:24:12,005 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-01 13:24:12,006 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-01 13:24:12,007 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-01 13:24:12,008 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-01 13:24:12,008 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-01 13:24:12,008 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-01 13:24:12,008 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-01 13:24:12,009 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-01 13:24:12,009 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-01 13:24:12,010 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-01 13:24:12,010 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-01 13:24:12,010 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-01 13:24:12,011 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-01 13:24:12,011 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-01 13:24:12,011 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-01 13:24:12,012 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-01 13:24:12,012 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-01 13:24:12,012 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_34961ce3-fda3-4554-8d37-7e34717913a7/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-12-01 13:24:12,019 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-01 13:24:12,019 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-01 13:24:12,020 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-01 13:24:12,020 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-12-01 13:24:12,020 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-01 13:24:12,020 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-01 13:24:12,020 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-01 13:24:12,021 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-01 13:24:12,021 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-01 13:24:12,021 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-01 13:24:12,021 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-01 13:24:12,021 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-01 13:24:12,021 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-01 13:24:12,021 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-01 13:24:12,021 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-01 13:24:12,021 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-01 13:24:12,022 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-01 13:24:12,022 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-01 13:24:12,022 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-12-01 13:24:12,022 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-12-01 13:24:12,022 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-01 13:24:12,022 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-01 13:24:12,022 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-01 13:24:12,023 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-01 13:24:12,023 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-01 13:24:12,023 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-01 13:24:12,023 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-12-01 13:24:12,023 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-01 13:24:12,023 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-01 13:24:12,023 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_34961ce3-fda3-4554-8d37-7e34717913a7/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 -> 96c689d8b65aac27592df43d0140c8853a936fe2 [2018-12-01 13:24:12,040 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-01 13:24:12,047 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-01 13:24:12,048 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-01 13:24:12,049 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-01 13:24:12,050 INFO L276 PluginConnector]: CDTParser initialized [2018-12-01 13:24:12,050 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_34961ce3-fda3-4554-8d37-7e34717913a7/bin-2019/ukojak/../../sv-benchmarks/c/eca-rers2012/Problem10_label10_true-unreach-call.c [2018-12-01 13:24:12,084 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_34961ce3-fda3-4554-8d37-7e34717913a7/bin-2019/ukojak/data/66698e364/08304a3c4e4d4478b837cfaa81076ed8/FLAG5b76e9084 [2018-12-01 13:24:12,515 INFO L307 CDTParser]: Found 1 translation units. [2018-12-01 13:24:12,515 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_34961ce3-fda3-4554-8d37-7e34717913a7/sv-benchmarks/c/eca-rers2012/Problem10_label10_true-unreach-call.c [2018-12-01 13:24:12,521 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_34961ce3-fda3-4554-8d37-7e34717913a7/bin-2019/ukojak/data/66698e364/08304a3c4e4d4478b837cfaa81076ed8/FLAG5b76e9084 [2018-12-01 13:24:12,530 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_34961ce3-fda3-4554-8d37-7e34717913a7/bin-2019/ukojak/data/66698e364/08304a3c4e4d4478b837cfaa81076ed8 [2018-12-01 13:24:12,532 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-01 13:24:12,532 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-01 13:24:12,533 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-01 13:24:12,533 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-01 13:24:12,535 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-01 13:24:12,536 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 01:24:12" (1/1) ... [2018-12-01 13:24:12,537 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@56acabfb and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 01:24:12, skipping insertion in model container [2018-12-01 13:24:12,537 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 01:24:12" (1/1) ... [2018-12-01 13:24:12,541 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-01 13:24:12,565 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-01 13:24:12,745 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-01 13:24:12,748 INFO L191 MainTranslator]: Completed pre-run [2018-12-01 13:24:12,850 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-01 13:24:12,862 INFO L195 MainTranslator]: Completed translation [2018-12-01 13:24:12,862 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 01:24:12 WrapperNode [2018-12-01 13:24:12,862 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-01 13:24:12,863 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-01 13:24:12,863 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-01 13:24:12,863 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-01 13:24:12,870 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 01:24:12" (1/1) ... [2018-12-01 13:24:12,882 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 01:24:12" (1/1) ... [2018-12-01 13:24:12,914 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-01 13:24:12,914 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-01 13:24:12,914 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-01 13:24:12,914 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-01 13:24:12,920 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 01:24:12" (1/1) ... [2018-12-01 13:24:12,920 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 01:24:12" (1/1) ... [2018-12-01 13:24:12,923 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 01:24:12" (1/1) ... [2018-12-01 13:24:12,923 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 01:24:12" (1/1) ... [2018-12-01 13:24:12,934 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 01:24:12" (1/1) ... [2018-12-01 13:24:12,940 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 01:24:12" (1/1) ... [2018-12-01 13:24:12,945 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 01:24:12" (1/1) ... [2018-12-01 13:24:12,950 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-01 13:24:12,951 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-01 13:24:12,951 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-01 13:24:12,951 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-01 13:24:12,951 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 01:24:12" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_34961ce3-fda3-4554-8d37-7e34717913a7/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 13:24:12,985 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-01 13:24:12,985 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-01 13:24:58,296 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-01 13:24:58,296 INFO L280 CfgBuilder]: Removed 7 assue(true) statements. [2018-12-01 13:24:58,297 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 01:24:58 BoogieIcfgContainer [2018-12-01 13:24:58,297 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-01 13:24:58,297 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-12-01 13:24:58,297 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-12-01 13:24:58,304 INFO L276 PluginConnector]: CodeCheck initialized [2018-12-01 13:24:58,304 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 01:24:58" (1/1) ... [2018-12-01 13:24:58,311 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 13:24:58,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:24:58,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2018-12-01 13:24:58,332 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2018-12-01 13:24:58,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-12-01 13:24:58,334 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:24:58,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:24:58,440 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 13:24:58,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:24:58,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 12 states and 15 transitions. [2018-12-01 13:24:58,488 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 15 transitions. [2018-12-01 13:24:58,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-12-01 13:24:58,489 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:24:58,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:24:58,788 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 13:24:58,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:24:58,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 27 states to 18 states and 27 transitions. [2018-12-01 13:24:58,986 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 27 transitions. [2018-12-01 13:24:58,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-12-01 13:24:58,988 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:24:59,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:24:59,212 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 13:24:59,514 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:24:59,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 41 states to 25 states and 41 transitions. [2018-12-01 13:24:59,515 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 41 transitions. [2018-12-01 13:24:59,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-12-01 13:24:59,515 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:24:59,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:24:59,648 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 13:24:59,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:24:59,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 27 states and 44 transitions. [2018-12-01 13:24:59,756 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 44 transitions. [2018-12-01 13:24:59,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-12-01 13:24:59,757 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:24:59,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:25:00,354 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 4 proven. 9 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-01 13:25:00,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:25:00,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 54 states to 33 states and 54 transitions. [2018-12-01 13:25:00,775 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 54 transitions. [2018-12-01 13:25:00,775 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-12-01 13:25:00,775 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 13:25:00,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 13:25:01,161 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 4 proven. 9 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-01 13:25:01,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 13:25:01,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 32 states to 20 states and 32 transitions. [2018-12-01 13:25:01,270 INFO L276 IsEmpty]: Start isEmpty. Operand 20 states and 32 transitions. [2018-12-01 13:25:01,271 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-01 13:25:01,271 WARN L428 CodeCheckObserver]: This Program is SAFE, Check terminated with 7 iterations. [2018-12-01 13:25:01,277 INFO L779 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-12-01 13:25:01,449 INFO L583 CodeCheckObserver]: Invariant with dag size 17 [2018-12-01 13:25:01,458 INFO L583 CodeCheckObserver]: Invariant with dag size 22 [2018-12-01 13:25:01,459 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-01 13:25:01,459 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 01.12 01:25:01 ImpRootNode [2018-12-01 13:25:01,459 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-12-01 13:25:01,460 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-01 13:25:01,460 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-01 13:25:01,460 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-01 13:25:01,461 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 01:24:58" (3/4) ... [2018-12-01 13:25:01,463 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-01 13:25:01,478 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 178 nodes and edges [2018-12-01 13:25:01,479 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 18 nodes and edges [2018-12-01 13:25:01,480 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2018-12-01 13:25:01,481 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-01 13:25:01,564 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_34961ce3-fda3-4554-8d37-7e34717913a7/bin-2019/ukojak/witness.graphml [2018-12-01 13:25:01,564 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-01 13:25:01,565 INFO L168 Benchmark]: Toolchain (without parser) took 49032.69 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 407.9 MB). Free memory was 951.7 MB in the beginning and 807.6 MB in the end (delta: 144.1 MB). Peak memory consumption was 552.0 MB. Max. memory is 11.5 GB. [2018-12-01 13:25:01,566 INFO L168 Benchmark]: CDTParser took 0.10 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. [2018-12-01 13:25:01,566 INFO L168 Benchmark]: CACSL2BoogieTranslator took 329.79 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 117.4 MB). Free memory was 951.7 MB in the beginning and 1.1 GB in the end (delta: -148.7 MB). Peak memory consumption was 37.9 MB. Max. memory is 11.5 GB. [2018-12-01 13:25:01,566 INFO L168 Benchmark]: Boogie Procedure Inliner took 50.87 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: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. [2018-12-01 13:25:01,567 INFO L168 Benchmark]: Boogie Preprocessor took 36.31 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: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. [2018-12-01 13:25:01,567 INFO L168 Benchmark]: RCFGBuilder took 45346.43 ms. Allocated memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: 180.4 MB). Free memory was 1.1 GB in the beginning and 798.2 MB in the end (delta: 288.5 MB). Peak memory consumption was 468.8 MB. Max. memory is 11.5 GB. [2018-12-01 13:25:01,567 INFO L168 Benchmark]: CodeCheck took 3162.28 ms. Allocated memory was 1.3 GB in the beginning and 1.4 GB in the end (delta: 110.1 MB). Free memory was 798.2 MB in the beginning and 819.3 MB in the end (delta: -21.1 MB). Peak memory consumption was 89.0 MB. Max. memory is 11.5 GB. [2018-12-01 13:25:01,568 INFO L168 Benchmark]: Witness Printer took 104.38 ms. Allocated memory is still 1.4 GB. Free memory was 819.3 MB in the beginning and 807.6 MB in the end (delta: 11.7 MB). Peak memory consumption was 11.7 MB. Max. memory is 11.5 GB. [2018-12-01 13:25:01,570 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, 2.9s OverallTime, 7 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 384 SDtfs, 708 SDslu, 512 SDs, 0 SdLazy, 1840 SolverSat, 264 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 683 GetRequests, 584 SyntacticMatches, 39 SemanticMatches, 60 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1814 ImplicationChecksByTransitivity, 1.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.3s SatisfiabilityAnalysisTime, 1.3s InterpolantComputationTime, 74 NumberOfCodeBlocks, 74 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 68 ConstructedInterpolants, 0 QuantifiedInterpolants, 9964 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 1 PerfectInterpolantSequences, 24/65 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: 148]: 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 == 2) && a12 == 0) && a4 == 14) || ((!(a19 == 6) && a12 == 0) && a4 == 14) - InvariantResult [Line: 20]: Loop Invariant Derived loop invariant: (((!(a10 == 2) || !(a19 == 6)) || (38 < a1 && a1 <= 218)) && 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 982.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 329.79 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 117.4 MB). Free memory was 951.7 MB in the beginning and 1.1 GB in the end (delta: -148.7 MB). Peak memory consumption was 37.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 50.87 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: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 36.31 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: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. * RCFGBuilder took 45346.43 ms. Allocated memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: 180.4 MB). Free memory was 1.1 GB in the beginning and 798.2 MB in the end (delta: 288.5 MB). Peak memory consumption was 468.8 MB. Max. memory is 11.5 GB. * CodeCheck took 3162.28 ms. Allocated memory was 1.3 GB in the beginning and 1.4 GB in the end (delta: 110.1 MB). Free memory was 798.2 MB in the beginning and 819.3 MB in the end (delta: -21.1 MB). Peak memory consumption was 89.0 MB. Max. memory is 11.5 GB. * Witness Printer took 104.38 ms. Allocated memory is still 1.4 GB. Free memory was 819.3 MB in the beginning and 807.6 MB in the end (delta: 11.7 MB). Peak memory consumption was 11.7 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...