./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem14_label47_true-unreach-call_false-termination.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_2f27abdf-2ebb-4989-b4e3-d55a76f77286/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_2f27abdf-2ebb-4989-b4e3-d55a76f77286/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_2f27abdf-2ebb-4989-b4e3-d55a76f77286/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_2f27abdf-2ebb-4989-b4e3-d55a76f77286/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem14_label47_true-unreach-call_false-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_2f27abdf-2ebb-4989-b4e3-d55a76f77286/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_2f27abdf-2ebb-4989-b4e3-d55a76f77286/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 263f5bcc0dd18a6a1141604b5838ae66dccd2a0e .................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-08 13:12:48,997 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-08 13:12:48,998 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-08 13:12:49,004 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-08 13:12:49,004 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-08 13:12:49,005 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-08 13:12:49,006 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-08 13:12:49,007 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-08 13:12:49,008 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-08 13:12:49,009 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-08 13:12:49,009 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-08 13:12:49,009 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-08 13:12:49,010 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-08 13:12:49,010 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-08 13:12:49,011 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-08 13:12:49,011 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-08 13:12:49,012 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-08 13:12:49,013 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-08 13:12:49,014 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-08 13:12:49,014 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-08 13:12:49,015 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-08 13:12:49,015 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-08 13:12:49,016 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-08 13:12:49,017 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-08 13:12:49,017 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-08 13:12:49,017 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-08 13:12:49,017 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-08 13:12:49,018 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-08 13:12:49,018 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-08 13:12:49,019 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-08 13:12:49,019 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-08 13:12:49,019 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-08 13:12:49,019 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-08 13:12:49,019 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-08 13:12:49,020 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-08 13:12:49,020 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-08 13:12:49,020 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_2f27abdf-2ebb-4989-b4e3-d55a76f77286/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-12-08 13:12:49,027 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-08 13:12:49,027 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-08 13:12:49,028 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-08 13:12:49,028 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-12-08 13:12:49,029 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-08 13:12:49,029 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-08 13:12:49,029 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-08 13:12:49,029 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-08 13:12:49,029 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-08 13:12:49,030 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-08 13:12:49,030 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-08 13:12:49,030 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-08 13:12:49,030 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-08 13:12:49,030 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-08 13:12:49,030 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-08 13:12:49,030 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-08 13:12:49,031 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-08 13:12:49,031 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-08 13:12:49,031 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-12-08 13:12:49,031 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-12-08 13:12:49,031 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-08 13:12:49,031 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-08 13:12:49,032 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-08 13:12:49,032 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-08 13:12:49,032 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-08 13:12:49,032 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-08 13:12:49,032 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-12-08 13:12:49,032 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-08 13:12:49,032 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-08 13:12:49,033 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_2f27abdf-2ebb-4989-b4e3-d55a76f77286/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 -> 263f5bcc0dd18a6a1141604b5838ae66dccd2a0e [2018-12-08 13:12:49,055 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-08 13:12:49,062 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-08 13:12:49,064 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-08 13:12:49,064 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-08 13:12:49,065 INFO L276 PluginConnector]: CDTParser initialized [2018-12-08 13:12:49,065 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_2f27abdf-2ebb-4989-b4e3-d55a76f77286/bin-2019/ukojak/../../sv-benchmarks/c/eca-rers2012/Problem14_label47_true-unreach-call_false-termination.c [2018-12-08 13:12:49,099 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_2f27abdf-2ebb-4989-b4e3-d55a76f77286/bin-2019/ukojak/data/ac7ebbee5/df5955d8546d40b88ccd5775304046c4/FLAG7a85d1e3d [2018-12-08 13:12:49,533 INFO L307 CDTParser]: Found 1 translation units. [2018-12-08 13:12:49,533 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_2f27abdf-2ebb-4989-b4e3-d55a76f77286/sv-benchmarks/c/eca-rers2012/Problem14_label47_true-unreach-call_false-termination.c [2018-12-08 13:12:49,542 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_2f27abdf-2ebb-4989-b4e3-d55a76f77286/bin-2019/ukojak/data/ac7ebbee5/df5955d8546d40b88ccd5775304046c4/FLAG7a85d1e3d [2018-12-08 13:12:49,552 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_2f27abdf-2ebb-4989-b4e3-d55a76f77286/bin-2019/ukojak/data/ac7ebbee5/df5955d8546d40b88ccd5775304046c4 [2018-12-08 13:12:49,554 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-08 13:12:49,555 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-08 13:12:49,555 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-08 13:12:49,555 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-08 13:12:49,557 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-08 13:12:49,558 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 01:12:49" (1/1) ... [2018-12-08 13:12:49,559 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@1c7a2c36 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 01:12:49, skipping insertion in model container [2018-12-08 13:12:49,559 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 01:12:49" (1/1) ... [2018-12-08 13:12:49,564 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-08 13:12:49,588 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-08 13:12:49,778 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 13:12:49,781 INFO L191 MainTranslator]: Completed pre-run [2018-12-08 13:12:49,899 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 13:12:49,910 INFO L195 MainTranslator]: Completed translation [2018-12-08 13:12:49,910 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 01:12:49 WrapperNode [2018-12-08 13:12:49,910 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-08 13:12:49,910 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-08 13:12:49,910 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-08 13:12:49,911 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-08 13:12:49,916 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 01:12:49" (1/1) ... [2018-12-08 13:12:49,928 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 01:12:49" (1/1) ... [2018-12-08 13:12:49,975 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-08 13:12:49,975 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-08 13:12:49,975 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-08 13:12:49,975 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-08 13:12:49,981 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 01:12:49" (1/1) ... [2018-12-08 13:12:49,981 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 01:12:49" (1/1) ... [2018-12-08 13:12:49,984 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 01:12:49" (1/1) ... [2018-12-08 13:12:49,984 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 01:12:49" (1/1) ... [2018-12-08 13:12:50,003 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 01:12:49" (1/1) ... [2018-12-08 13:12:50,013 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 01:12:49" (1/1) ... [2018-12-08 13:12:50,020 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 01:12:49" (1/1) ... [2018-12-08 13:12:50,031 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-08 13:12:50,031 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-08 13:12:50,031 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-08 13:12:50,031 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-08 13:12:50,032 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 01:12:49" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_2f27abdf-2ebb-4989-b4e3-d55a76f77286/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 [2018-12-08 13:12:50,067 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-08 13:12:50,067 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-08 13:18:39,564 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-08 13:18:39,564 INFO L280 CfgBuilder]: Removed 7 assue(true) statements. [2018-12-08 13:18:39,564 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 01:18:39 BoogieIcfgContainer [2018-12-08 13:18:39,565 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-08 13:18:39,565 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-12-08 13:18:39,565 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-12-08 13:18:39,571 INFO L276 PluginConnector]: CodeCheck initialized [2018-12-08 13:18:39,571 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 01:18:39" (1/1) ... [2018-12-08 13:18:39,580 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 13:18:39,597 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 13:18:39,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2018-12-08 13:18:39,601 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2018-12-08 13:18:39,603 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-12-08 13:18:39,603 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 13:18:39,664 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 13:18:39,717 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 13:18:39,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 13:18:39,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 12 states and 15 transitions. [2018-12-08 13:18:39,770 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 15 transitions. [2018-12-08 13:18:39,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-12-08 13:18:39,771 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 13:18:39,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 13:18:40,053 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 13:18:40,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 13:18:40,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 19 states and 31 transitions. [2018-12-08 13:18:40,489 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 31 transitions. [2018-12-08 13:18:40,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-12-08 13:18:40,491 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 13:18:40,578 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 13:18:40,992 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 13:18:42,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 13:18:42,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 29 states and 55 transitions. [2018-12-08 13:18:42,109 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 55 transitions. [2018-12-08 13:18:42,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-12-08 13:18:42,109 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 13:18:42,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 13:18:42,369 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 13:18:42,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 13:18:42,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 31 states and 63 transitions. [2018-12-08 13:18:42,543 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 63 transitions. [2018-12-08 13:18:42,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-12-08 13:18:42,543 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 13:18:42,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 13:18:42,772 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 13:18:42,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 13:18:42,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 32 states and 64 transitions. [2018-12-08 13:18:42,896 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 64 transitions. [2018-12-08 13:18:42,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-12-08 13:18:42,896 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 13:18:43,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 13:18:43,629 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 13:19:05,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 13:19:05,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 42 states and 97 transitions. [2018-12-08 13:19:05,509 INFO L276 IsEmpty]: Start isEmpty. Operand 42 states and 97 transitions. [2018-12-08 13:19:05,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-12-08 13:19:05,509 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 13:19:05,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 13:19:05,815 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 13:19:06,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 13:19:06,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 47 states and 109 transitions. [2018-12-08 13:19:06,664 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 109 transitions. [2018-12-08 13:19:06,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-12-08 13:19:06,665 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 13:19:06,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 13:19:07,551 WARN L180 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 25 [2018-12-08 13:19:07,808 WARN L180 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 25 [2018-12-08 13:19:08,168 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 34 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-08 13:19:40,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 13:19:40,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 122 states to 52 states and 122 transitions. [2018-12-08 13:19:40,012 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 122 transitions. [2018-12-08 13:19:40,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-12-08 13:19:40,012 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 13:19:40,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 13:19:40,778 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 34 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-08 13:19:41,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 13:19:41,167 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 55 states and 124 transitions. [2018-12-08 13:19:41,167 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 124 transitions. [2018-12-08 13:19:41,168 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-12-08 13:19:41,168 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 13:19:41,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 13:19:41,919 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 34 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-12-08 13:19:42,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 13:19:42,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 56 states and 125 transitions. [2018-12-08 13:19:42,113 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 125 transitions. [2018-12-08 13:19:42,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-12-08 13:19:42,114 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 13:19:42,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 13:19:42,558 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2018-12-08 13:19:42,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 13:19:42,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 119 states to 51 states and 119 transitions. [2018-12-08 13:19:42,594 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 119 transitions. [2018-12-08 13:19:42,595 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-08 13:19:42,595 WARN L428 CodeCheckObserver]: This Program is SAFE, Check terminated with 12 iterations. [2018-12-08 13:19:42,601 INFO L779 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-12-08 13:19:42,841 INFO L583 CodeCheckObserver]: Invariant with dag size 21 [2018-12-08 13:19:42,847 INFO L583 CodeCheckObserver]: Invariant with dag size 22 [2018-12-08 13:19:42,847 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-08 13:19:42,848 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.12 01:19:42 ImpRootNode [2018-12-08 13:19:42,848 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-12-08 13:19:42,848 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-08 13:19:42,848 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-08 13:19:42,848 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-08 13:19:42,849 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 01:18:39" (3/4) ... [2018-12-08 13:19:42,851 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-08 13:19:42,862 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 217 nodes and edges [2018-12-08 13:19:42,863 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2018-12-08 13:19:42,863 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 5 nodes and edges [2018-12-08 13:19:42,864 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-12-08 13:19:42,934 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_2f27abdf-2ebb-4989-b4e3-d55a76f77286/bin-2019/ukojak/witness.graphml [2018-12-08 13:19:42,934 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-08 13:19:42,935 INFO L168 Benchmark]: Toolchain (without parser) took 413380.69 ms. Allocated memory was 1.0 GB in the beginning and 1.6 GB in the end (delta: 553.6 MB). Free memory was 945.2 MB in the beginning and 888.2 MB in the end (delta: 57.0 MB). Peak memory consumption was 610.7 MB. Max. memory is 11.5 GB. [2018-12-08 13:19:42,935 INFO L168 Benchmark]: CDTParser took 0.10 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. [2018-12-08 13:19:42,935 INFO L168 Benchmark]: CACSL2BoogieTranslator took 355.17 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 105.4 MB). Free memory was 945.2 MB in the beginning and 1.1 GB in the end (delta: -145.0 MB). Peak memory consumption was 41.8 MB. Max. memory is 11.5 GB. [2018-12-08 13:19:42,936 INFO L168 Benchmark]: Boogie Procedure Inliner took 64.54 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. [2018-12-08 13:19:42,936 INFO L168 Benchmark]: Boogie Preprocessor took 55.60 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. [2018-12-08 13:19:42,936 INFO L168 Benchmark]: RCFGBuilder took 349533.63 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 41.4 MB). Free memory was 1.1 GB in the beginning and 861.1 MB in the end (delta: 213.1 MB). Peak memory consumption was 371.2 MB. Max. memory is 11.5 GB. [2018-12-08 13:19:42,936 INFO L168 Benchmark]: CodeCheck took 63283.02 ms. Allocated memory was 1.2 GB in the beginning and 1.6 GB in the end (delta: 406.8 MB). Free memory was 861.1 MB in the beginning and 915.3 MB in the end (delta: -54.2 MB). Peak memory consumption was 352.6 MB. Max. memory is 11.5 GB. [2018-12-08 13:19:42,937 INFO L168 Benchmark]: Witness Printer took 86.08 ms. Allocated memory is still 1.6 GB. Free memory was 915.3 MB in the beginning and 888.2 MB in the end (delta: 27.1 MB). Peak memory consumption was 27.1 MB. Max. memory is 11.5 GB. [2018-12-08 13:19:42,938 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, 245 locations, 1 error locations. SAFE Result, 63.0s OverallTime, 12 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 13296 SDtfs, 26566 SDslu, 18400 SDs, 0 SdLazy, 87810 SolverSat, 12276 SolverUnsat, 176 SolverUnknown, 0 SolverNotchecked, 250.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1934 GetRequests, 1665 SyntacticMatches, 103 SemanticMatches, 166 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 18465 ImplicationChecksByTransitivity, 7.8s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 1.0s SatisfiabilityAnalysisTime, 4.7s InterpolantComputationTime, 175 NumberOfCodeBlocks, 175 NumberOfCodeBlocksAsserted, 11 NumberOfCheckSat, 164 ConstructedInterpolants, 0 QuantifiedInterpolants, 55136 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 11 InterpolantComputations, 2 PerfectInterpolantSequences, 61/238 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: 103]: 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: 880]: Loop Invariant Derived loop invariant: (a12 + 49 <= 0 || !(a15 == 7)) || (12 <= a12 || !(a21 == 9)) || !(a24 == 1) - InvariantResult [Line: 20]: Loop Invariant Derived loop invariant: ((a12 + 43 <= 0 || 11 < a12) || !(a21 == 9) || !(a15 == 7)) || !(a24 == 1) - InvariantResult [Line: 874]: 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 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 355.17 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 105.4 MB). Free memory was 945.2 MB in the beginning and 1.1 GB in the end (delta: -145.0 MB). Peak memory consumption was 41.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 64.54 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 55.60 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 349533.63 ms. Allocated memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: 41.4 MB). Free memory was 1.1 GB in the beginning and 861.1 MB in the end (delta: 213.1 MB). Peak memory consumption was 371.2 MB. Max. memory is 11.5 GB. * CodeCheck took 63283.02 ms. Allocated memory was 1.2 GB in the beginning and 1.6 GB in the end (delta: 406.8 MB). Free memory was 861.1 MB in the beginning and 915.3 MB in the end (delta: -54.2 MB). Peak memory consumption was 352.6 MB. Max. memory is 11.5 GB. * Witness Printer took 86.08 ms. Allocated memory is still 1.6 GB. Free memory was 915.3 MB in the beginning and 888.2 MB in the end (delta: 27.1 MB). Peak memory consumption was 27.1 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...