./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem14_label33_true-unreach-call_false-termination.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version aa418289 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_81a117dc-5fce-4837-b7ee-9e8f6dd88ae8/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_81a117dc-5fce-4837-b7ee-9e8f6dd88ae8/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_81a117dc-5fce-4837-b7ee-9e8f6dd88ae8/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_81a117dc-5fce-4837-b7ee-9e8f6dd88ae8/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem14_label33_true-unreach-call_false-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_81a117dc-5fce-4837-b7ee-9e8f6dd88ae8/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_81a117dc-5fce-4837-b7ee-9e8f6dd88ae8/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 5f33d9d2272db58cdcc380fb222b6c55f6d85db9 ...................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-aa41828 [2018-11-23 01:31:41,009 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-23 01:31:41,011 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-23 01:31:41,019 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-23 01:31:41,019 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-23 01:31:41,020 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-23 01:31:41,021 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-23 01:31:41,022 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-23 01:31:41,023 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-23 01:31:41,024 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-23 01:31:41,025 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-23 01:31:41,025 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-23 01:31:41,026 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-23 01:31:41,027 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-23 01:31:41,028 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-23 01:31:41,029 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-23 01:31:41,030 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-23 01:31:41,032 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-23 01:31:41,034 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-23 01:31:41,035 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-23 01:31:41,036 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-23 01:31:41,037 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-23 01:31:41,039 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-23 01:31:41,039 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-23 01:31:41,040 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-23 01:31:41,040 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-23 01:31:41,041 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-23 01:31:41,042 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-23 01:31:41,043 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-23 01:31:41,044 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-23 01:31:41,044 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-23 01:31:41,045 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-23 01:31:41,045 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-23 01:31:41,045 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-23 01:31:41,046 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-23 01:31:41,046 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-23 01:31:41,047 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_81a117dc-5fce-4837-b7ee-9e8f6dd88ae8/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-11-23 01:31:41,058 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-23 01:31:41,059 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-23 01:31:41,059 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-23 01:31:41,059 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-11-23 01:31:41,060 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-23 01:31:41,060 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-23 01:31:41,060 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-23 01:31:41,060 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-23 01:31:41,060 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-23 01:31:41,061 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-23 01:31:41,061 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-23 01:31:41,061 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-23 01:31:41,061 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-23 01:31:41,061 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-23 01:31:41,061 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-23 01:31:41,061 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-23 01:31:41,061 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-23 01:31:41,061 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-23 01:31:41,062 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-23 01:31:41,062 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-23 01:31:41,063 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-23 01:31:41,063 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-23 01:31:41,063 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-23 01:31:41,064 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-23 01:31:41,064 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-23 01:31:41,064 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-23 01:31:41,064 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-23 01:31:41,064 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-23 01:31:41,064 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-23 01:31:41,064 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_81a117dc-5fce-4837-b7ee-9e8f6dd88ae8/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 -> 5f33d9d2272db58cdcc380fb222b6c55f6d85db9 [2018-11-23 01:31:41,093 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-23 01:31:41,103 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-23 01:31:41,105 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-23 01:31:41,106 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-23 01:31:41,107 INFO L276 PluginConnector]: CDTParser initialized [2018-11-23 01:31:41,107 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_81a117dc-5fce-4837-b7ee-9e8f6dd88ae8/bin-2019/ukojak/../../sv-benchmarks/c/eca-rers2012/Problem14_label33_true-unreach-call_false-termination.c [2018-11-23 01:31:41,150 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_81a117dc-5fce-4837-b7ee-9e8f6dd88ae8/bin-2019/ukojak/data/bed9e49a8/a0d2ca9b407741a2bc108afb8bd778b1/FLAGf31d337ff [2018-11-23 01:31:41,584 INFO L307 CDTParser]: Found 1 translation units. [2018-11-23 01:31:41,585 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_81a117dc-5fce-4837-b7ee-9e8f6dd88ae8/sv-benchmarks/c/eca-rers2012/Problem14_label33_true-unreach-call_false-termination.c [2018-11-23 01:31:41,597 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_81a117dc-5fce-4837-b7ee-9e8f6dd88ae8/bin-2019/ukojak/data/bed9e49a8/a0d2ca9b407741a2bc108afb8bd778b1/FLAGf31d337ff [2018-11-23 01:31:41,932 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_81a117dc-5fce-4837-b7ee-9e8f6dd88ae8/bin-2019/ukojak/data/bed9e49a8/a0d2ca9b407741a2bc108afb8bd778b1 [2018-11-23 01:31:41,936 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-23 01:31:41,937 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-23 01:31:41,937 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-23 01:31:41,937 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-23 01:31:41,940 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-23 01:31:41,941 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:31:41" (1/1) ... [2018-11-23 01:31:41,943 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@185b5111 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:31:41, skipping insertion in model container [2018-11-23 01:31:41,943 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 23.11 01:31:41" (1/1) ... [2018-11-23 01:31:41,952 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-23 01:31:42,000 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-23 01:31:42,318 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 01:31:42,322 INFO L191 MainTranslator]: Completed pre-run [2018-11-23 01:31:42,415 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-23 01:31:42,427 INFO L195 MainTranslator]: Completed translation [2018-11-23 01:31:42,427 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:31:42 WrapperNode [2018-11-23 01:31:42,428 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-23 01:31:42,428 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-23 01:31:42,428 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-23 01:31:42,428 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-23 01:31:42,509 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:31:42" (1/1) ... [2018-11-23 01:31:42,526 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:31:42" (1/1) ... [2018-11-23 01:31:42,581 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-23 01:31:42,581 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-23 01:31:42,582 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-23 01:31:42,582 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-23 01:31:42,592 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:31:42" (1/1) ... [2018-11-23 01:31:42,592 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:31:42" (1/1) ... [2018-11-23 01:31:42,597 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:31:42" (1/1) ... [2018-11-23 01:31:42,597 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:31:42" (1/1) ... [2018-11-23 01:31:42,616 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:31:42" (1/1) ... [2018-11-23 01:31:42,626 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:31:42" (1/1) ... [2018-11-23 01:31:42,632 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:31:42" (1/1) ... [2018-11-23 01:31:42,640 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-23 01:31:42,641 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-23 01:31:42,641 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-23 01:31:42,641 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-23 01:31:42,643 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 23.11 01:31:42" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_81a117dc-5fce-4837-b7ee-9e8f6dd88ae8/bin-2019/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-23 01:31:42,698 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-23 01:31:42,698 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-23 01:31:42,698 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-23 01:36:54,290 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-23 01:36:54,290 INFO L280 CfgBuilder]: Removed 7 assue(true) statements. [2018-11-23 01:36:54,291 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:36:54 BoogieIcfgContainer [2018-11-23 01:36:54,291 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-23 01:36:54,291 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-23 01:36:54,291 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-23 01:36:54,299 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-23 01:36:54,300 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:36:54" (1/1) ... [2018-11-23 01:36:54,311 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-23 01:36:54,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 01:36:54,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2018-11-23 01:36:54,343 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2018-11-23 01:36:54,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-11-23 01:36:54,346 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 01:36:54,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:36:54,607 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 01:36:54,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 01:36:54,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 12 states and 15 transitions. [2018-11-23 01:36:54,669 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 15 transitions. [2018-11-23 01:36:54,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-11-23 01:36:54,669 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 01:36:54,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:36:55,026 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 01:36:55,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 01:36:55,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 28 states to 19 states and 28 transitions. [2018-11-23 01:36:55,298 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 28 transitions. [2018-11-23 01:36:55,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-11-23 01:36:55,299 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 01:36:55,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:36:55,882 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 01:36:56,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 01:36:56,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 26 states and 42 transitions. [2018-11-23 01:36:56,599 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 42 transitions. [2018-11-23 01:36:56,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-11-23 01:36:56,602 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 01:36:56,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:36:57,094 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 01:36:57,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 01:36:57,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 28 states and 47 transitions. [2018-11-23 01:36:57,277 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 47 transitions. [2018-11-23 01:36:57,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-11-23 01:36:57,279 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 01:36:57,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:36:57,572 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 01:36:57,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 01:36:57,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 29 states and 48 transitions. [2018-11-23 01:36:57,691 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 48 transitions. [2018-11-23 01:36:57,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-11-23 01:36:57,692 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 01:36:57,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:37:00,137 WARN L180 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 66 DAG size of output: 35 [2018-11-23 01:37:00,537 WARN L180 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 41 [2018-11-23 01:37:00,861 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 01:37:11,596 WARN L180 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 55 [2018-11-23 01:37:13,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 01:37:13,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 41 states and 79 transitions. [2018-11-23 01:37:13,011 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 79 transitions. [2018-11-23 01:37:13,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-11-23 01:37:13,011 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 01:37:13,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:37:14,380 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 01:37:14,604 WARN L180 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 32 [2018-11-23 01:37:24,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 01:37:24,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 44 states and 83 transitions. [2018-11-23 01:37:24,917 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 83 transitions. [2018-11-23 01:37:24,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-11-23 01:37:24,918 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-23 01:37:25,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-23 01:37:25,696 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 36 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-23 01:37:26,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-23 01:37:26,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 39 states and 77 transitions. [2018-11-23 01:37:26,393 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 77 transitions. [2018-11-23 01:37:26,394 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-23 01:37:26,394 WARN L424 CodeCheckObserver]: This Program is SAFE, Check terminated with 9 iterations. [2018-11-23 01:37:26,401 INFO L775 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-11-23 01:37:26,522 WARN L180 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 31 [2018-11-23 01:37:26,635 WARN L180 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 83 DAG size of output: 36 [2018-11-23 01:37:26,769 WARN L180 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 37 [2018-11-23 01:37:26,889 WARN L180 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 31 [2018-11-23 01:37:26,889 INFO L579 CodeCheckObserver]: Invariant with dag size 31 [2018-11-23 01:37:26,898 INFO L579 CodeCheckObserver]: Invariant with dag size 36 [2018-11-23 01:37:26,899 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-23 01:37:26,900 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 23.11 01:37:26 ImpRootNode [2018-11-23 01:37:26,900 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-23 01:37:26,900 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-23 01:37:26,901 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-23 01:37:26,901 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-23 01:37:26,902 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 23.11 01:36:54" (3/4) ... [2018-11-23 01:37:26,905 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-23 01:37:26,923 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 217 nodes and edges [2018-11-23 01:37:26,924 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 18 nodes and edges [2018-11-23 01:37:26,925 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 4 nodes and edges [2018-11-23 01:37:26,926 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-23 01:37:27,043 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_81a117dc-5fce-4837-b7ee-9e8f6dd88ae8/bin-2019/ukojak/witness.graphml [2018-11-23 01:37:27,043 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-23 01:37:27,044 INFO L168 Benchmark]: Toolchain (without parser) took 345107.95 ms. Allocated memory was 1.0 GB in the beginning and 1.7 GB in the end (delta: 671.6 MB). Free memory was 956.4 MB in the beginning and 930.6 MB in the end (delta: 25.9 MB). Peak memory consumption was 697.5 MB. Max. memory is 11.5 GB. [2018-11-23 01:37:27,045 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-23 01:37:27,045 INFO L168 Benchmark]: CACSL2BoogieTranslator took 490.65 ms. Allocated memory is still 1.0 GB. Free memory was 956.4 MB in the beginning and 913.5 MB in the end (delta: 43.0 MB). Peak memory consumption was 43.0 MB. Max. memory is 11.5 GB. [2018-11-23 01:37:27,045 INFO L168 Benchmark]: Boogie Procedure Inliner took 153.14 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 189.8 MB). Free memory was 913.5 MB in the beginning and 1.2 GB in the end (delta: -256.4 MB). Peak memory consumption was 19.4 MB. Max. memory is 11.5 GB. [2018-11-23 01:37:27,046 INFO L168 Benchmark]: Boogie Preprocessor took 59.27 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 11.5 GB. [2018-11-23 01:37:27,046 INFO L168 Benchmark]: RCFGBuilder took 311649.98 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 105.4 MB). Free memory was 1.2 GB in the beginning and 829.6 MB in the end (delta: 330.7 MB). Peak memory consumption was 464.4 MB. Max. memory is 11.5 GB. [2018-11-23 01:37:27,047 INFO L168 Benchmark]: CodeCheck took 32608.94 ms. Allocated memory was 1.3 GB in the beginning and 1.7 GB in the end (delta: 376.4 MB). Free memory was 829.6 MB in the beginning and 945.2 MB in the end (delta: -115.6 MB). Peak memory consumption was 260.8 MB. Max. memory is 11.5 GB. [2018-11-23 01:37:27,047 INFO L168 Benchmark]: Witness Printer took 142.89 ms. Allocated memory is still 1.7 GB. Free memory was 945.2 MB in the beginning and 930.6 MB in the end (delta: 14.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 11.5 GB. [2018-11-23 01:37:27,049 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, 32.0s OverallTime, 9 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1660 SDtfs, 3380 SDslu, 2296 SDs, 0 SdLazy, 9386 SolverSat, 1650 SolverUnsat, 12 SolverUnknown, 0 SolverNotchecked, 54.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1049 GetRequests, 876 SyntacticMatches, 53 SemanticMatches, 120 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8962 ImplicationChecksByTransitivity, 5.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 1.0s SatisfiabilityAnalysisTime, 6.1s InterpolantComputationTime, 108 NumberOfCodeBlocks, 108 NumberOfCodeBlocksAsserted, 8 NumberOfCheckSat, 100 ConstructedInterpolants, 0 QuantifiedInterpolants, 34312 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 8 InterpolantComputations, 1 PerfectInterpolantSequences, 0/111 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: 178]: 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: ((a24 == 1 && a12 + 49 <= 0) || (a15 == 8 && !(0 <= a12 + 49 && a12 + 49 <= 0))) || ((((81 <= a12 || a12 <= 11) || !(a21 == 10)) || !(a15 == 6)) && !(a15 == 8)) - InvariantResult [Line: 20]: Loop Invariant Derived loop invariant: ((!(8 == a15 || a15 == 5) && (((!(a21 == 10) || !(a15 == 6)) || a12 <= 11) || 80 < a12)) || (a24 == 1 && a12 + 49 <= 0)) || (!((0 <= a12 + 49 && a15 == 8) && a12 + 49 <= 0) && (8 == a15 || a15 == 5)) - 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 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 490.65 ms. Allocated memory is still 1.0 GB. Free memory was 956.4 MB in the beginning and 913.5 MB in the end (delta: 43.0 MB). Peak memory consumption was 43.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 153.14 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 189.8 MB). Free memory was 913.5 MB in the beginning and 1.2 GB in the end (delta: -256.4 MB). Peak memory consumption was 19.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 59.27 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 6.5 MB). Peak memory consumption was 6.5 MB. Max. memory is 11.5 GB. * RCFGBuilder took 311649.98 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 105.4 MB). Free memory was 1.2 GB in the beginning and 829.6 MB in the end (delta: 330.7 MB). Peak memory consumption was 464.4 MB. Max. memory is 11.5 GB. * CodeCheck took 32608.94 ms. Allocated memory was 1.3 GB in the beginning and 1.7 GB in the end (delta: 376.4 MB). Free memory was 829.6 MB in the beginning and 945.2 MB in the end (delta: -115.6 MB). Peak memory consumption was 260.8 MB. Max. memory is 11.5 GB. * Witness Printer took 142.89 ms. Allocated memory is still 1.7 GB. Free memory was 945.2 MB in the beginning and 930.6 MB in the end (delta: 14.7 MB). Peak memory consumption was 14.7 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...