./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem10_label35_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_1721cd99-bdec-49b2-86bd-31d365556d0e/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_1721cd99-bdec-49b2-86bd-31d365556d0e/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_1721cd99-bdec-49b2-86bd-31d365556d0e/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_1721cd99-bdec-49b2-86bd-31d365556d0e/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem10_label35_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_1721cd99-bdec-49b2-86bd-31d365556d0e/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_1721cd99-bdec-49b2-86bd-31d365556d0e/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 a5075b92abebcbe37fcff17adbe2d1154240de3f ................................................................................................................................................................................................................................................................... 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 21:56:18,017 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-01 21:56:18,019 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-01 21:56:18,027 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-01 21:56:18,027 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-01 21:56:18,028 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-01 21:56:18,029 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-01 21:56:18,030 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-01 21:56:18,031 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-01 21:56:18,032 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-01 21:56:18,032 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-01 21:56:18,033 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-01 21:56:18,033 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-01 21:56:18,034 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-01 21:56:18,035 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-01 21:56:18,035 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-01 21:56:18,036 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-01 21:56:18,037 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-01 21:56:18,039 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-01 21:56:18,040 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-01 21:56:18,041 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-01 21:56:18,041 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-01 21:56:18,043 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-01 21:56:18,043 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-01 21:56:18,044 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-01 21:56:18,044 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-01 21:56:18,045 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-01 21:56:18,046 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-01 21:56:18,046 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-01 21:56:18,047 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-01 21:56:18,047 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-01 21:56:18,048 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-01 21:56:18,048 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-01 21:56:18,048 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-01 21:56:18,049 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-01 21:56:18,049 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-01 21:56:18,049 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_1721cd99-bdec-49b2-86bd-31d365556d0e/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-12-01 21:56:18,060 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-01 21:56:18,060 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-01 21:56:18,060 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-01 21:56:18,061 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-12-01 21:56:18,061 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-01 21:56:18,061 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-01 21:56:18,061 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-01 21:56:18,061 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-01 21:56:18,062 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-01 21:56:18,062 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-01 21:56:18,062 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-01 21:56:18,062 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-01 21:56:18,062 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-01 21:56:18,062 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-01 21:56:18,062 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-01 21:56:18,062 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-01 21:56:18,062 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-01 21:56:18,062 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-01 21:56:18,063 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-12-01 21:56:18,063 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-12-01 21:56:18,063 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-01 21:56:18,063 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-01 21:56:18,063 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-01 21:56:18,063 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-01 21:56:18,063 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-01 21:56:18,064 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-01 21:56:18,064 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-12-01 21:56:18,064 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-01 21:56:18,064 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-01 21:56:18,064 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_1721cd99-bdec-49b2-86bd-31d365556d0e/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 -> a5075b92abebcbe37fcff17adbe2d1154240de3f [2018-12-01 21:56:18,085 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-01 21:56:18,093 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-01 21:56:18,095 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-01 21:56:18,096 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-01 21:56:18,096 INFO L276 PluginConnector]: CDTParser initialized [2018-12-01 21:56:18,097 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_1721cd99-bdec-49b2-86bd-31d365556d0e/bin-2019/ukojak/../../sv-benchmarks/c/eca-rers2012/Problem10_label35_true-unreach-call.c [2018-12-01 21:56:18,131 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_1721cd99-bdec-49b2-86bd-31d365556d0e/bin-2019/ukojak/data/bc5c42914/e3899d1728264ac2bc50a2d970fcd6a2/FLAGe7e85529a [2018-12-01 21:56:18,554 INFO L307 CDTParser]: Found 1 translation units. [2018-12-01 21:56:18,555 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_1721cd99-bdec-49b2-86bd-31d365556d0e/sv-benchmarks/c/eca-rers2012/Problem10_label35_true-unreach-call.c [2018-12-01 21:56:18,562 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_1721cd99-bdec-49b2-86bd-31d365556d0e/bin-2019/ukojak/data/bc5c42914/e3899d1728264ac2bc50a2d970fcd6a2/FLAGe7e85529a [2018-12-01 21:56:18,570 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_1721cd99-bdec-49b2-86bd-31d365556d0e/bin-2019/ukojak/data/bc5c42914/e3899d1728264ac2bc50a2d970fcd6a2 [2018-12-01 21:56:18,572 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-01 21:56:18,573 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-01 21:56:18,573 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-01 21:56:18,573 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-01 21:56:18,575 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-01 21:56:18,576 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 09:56:18" (1/1) ... [2018-12-01 21:56:18,577 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2ec9f2fe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 09:56:18, skipping insertion in model container [2018-12-01 21:56:18,577 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 09:56:18" (1/1) ... [2018-12-01 21:56:18,582 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-01 21:56:18,606 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-01 21:56:18,787 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-01 21:56:18,789 INFO L191 MainTranslator]: Completed pre-run [2018-12-01 21:56:18,869 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-01 21:56:18,878 INFO L195 MainTranslator]: Completed translation [2018-12-01 21:56:18,878 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 09:56:18 WrapperNode [2018-12-01 21:56:18,878 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-01 21:56:18,879 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-01 21:56:18,879 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-01 21:56:18,879 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-01 21:56:18,884 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 09:56:18" (1/1) ... [2018-12-01 21:56:18,893 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 09:56:18" (1/1) ... [2018-12-01 21:56:18,925 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-01 21:56:18,925 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-01 21:56:18,925 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-01 21:56:18,925 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-01 21:56:18,931 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 09:56:18" (1/1) ... [2018-12-01 21:56:18,931 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 09:56:18" (1/1) ... [2018-12-01 21:56:18,934 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 09:56:18" (1/1) ... [2018-12-01 21:56:18,934 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 09:56:18" (1/1) ... [2018-12-01 21:56:18,945 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 09:56:18" (1/1) ... [2018-12-01 21:56:18,951 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 09:56:18" (1/1) ... [2018-12-01 21:56:18,956 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 09:56:18" (1/1) ... [2018-12-01 21:56:18,961 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-01 21:56:18,961 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-01 21:56:18,961 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-01 21:56:18,961 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-01 21:56:18,962 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 09:56:18" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_1721cd99-bdec-49b2-86bd-31d365556d0e/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 21:56:18,995 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-01 21:56:18,995 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-01 21:57:07,766 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-01 21:57:07,766 INFO L280 CfgBuilder]: Removed 7 assue(true) statements. [2018-12-01 21:57:07,767 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 09:57:07 BoogieIcfgContainer [2018-12-01 21:57:07,767 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-01 21:57:07,767 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-12-01 21:57:07,767 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-12-01 21:57:07,776 INFO L276 PluginConnector]: CodeCheck initialized [2018-12-01 21:57:07,776 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 09:57:07" (1/1) ... [2018-12-01 21:57:07,786 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-01 21:57:07,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 21:57:07,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2018-12-01 21:57:07,812 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2018-12-01 21:57:07,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2018-12-01 21:57:07,814 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 21:57:07,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 21:57:07,932 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 21:57:07,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 21:57:07,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 12 states and 15 transitions. [2018-12-01 21:57:07,985 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 15 transitions. [2018-12-01 21:57:07,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-12-01 21:57:07,986 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 21:57:08,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 21:57:08,238 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 21:57:11,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 21:57:11,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 19 states and 31 transitions. [2018-12-01 21:57:11,253 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 31 transitions. [2018-12-01 21:57:11,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-12-01 21:57:11,255 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 21:57:11,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 21:57:11,539 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 21:57:11,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 21:57:11,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 25 states and 44 transitions. [2018-12-01 21:57:11,992 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 44 transitions. [2018-12-01 21:57:11,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-12-01 21:57:11,992 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 21:57:12,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 21:57:12,165 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 21:57:12,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 21:57:12,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 27 states and 48 transitions. [2018-12-01 21:57:12,302 INFO L276 IsEmpty]: Start isEmpty. Operand 27 states and 48 transitions. [2018-12-01 21:57:12,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-12-01 21:57:12,303 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 21:57:12,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 21:57:12,434 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 21:57:12,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 21:57:12,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 48 states to 28 states and 48 transitions. [2018-12-01 21:57:12,538 INFO L276 IsEmpty]: Start isEmpty. Operand 28 states and 48 transitions. [2018-12-01 21:57:12,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-12-01 21:57:12,539 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 21:57:12,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 21:57:13,012 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 21:57:13,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 21:57:13,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 60 states to 32 states and 60 transitions. [2018-12-01 21:57:13,428 INFO L276 IsEmpty]: Start isEmpty. Operand 32 states and 60 transitions. [2018-12-01 21:57:13,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-12-01 21:57:13,429 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 21:57:13,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 21:57:13,722 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 21:57:13,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 21:57:13,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 34 states and 63 transitions. [2018-12-01 21:57:13,895 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 63 transitions. [2018-12-01 21:57:13,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-12-01 21:57:13,896 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 21:57:13,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 21:57:14,192 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 21:57:14,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 21:57:14,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 63 states to 35 states and 63 transitions. [2018-12-01 21:57:14,367 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 63 transitions. [2018-12-01 21:57:14,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-12-01 21:57:14,367 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-01 21:57:14,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-01 21:57:14,699 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 3 proven. 12 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2018-12-01 21:57:15,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-01 21:57:15,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 44 states to 25 states and 44 transitions. [2018-12-01 21:57:15,107 INFO L276 IsEmpty]: Start isEmpty. Operand 25 states and 44 transitions. [2018-12-01 21:57:15,107 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-01 21:57:15,107 WARN L428 CodeCheckObserver]: This Program is SAFE, Check terminated with 10 iterations. [2018-12-01 21:57:15,113 INFO L779 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-12-01 21:57:15,244 INFO L583 CodeCheckObserver]: Invariant with dag size 20 [2018-12-01 21:57:15,252 INFO L583 CodeCheckObserver]: Invariant with dag size 19 [2018-12-01 21:57:15,252 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-01 21:57:15,253 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 01.12 09:57:15 ImpRootNode [2018-12-01 21:57:15,253 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-12-01 21:57:15,253 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-01 21:57:15,253 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-01 21:57:15,253 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-01 21:57:15,254 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 09:57:07" (3/4) ... [2018-12-01 21:57:15,257 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-01 21:57:15,272 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 178 nodes and edges [2018-12-01 21:57:15,273 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2018-12-01 21:57:15,274 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-12-01 21:57:15,275 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-01 21:57:15,344 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_1721cd99-bdec-49b2-86bd-31d365556d0e/bin-2019/ukojak/witness.graphml [2018-12-01 21:57:15,344 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-01 21:57:15,345 INFO L168 Benchmark]: Toolchain (without parser) took 56772.50 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 354.4 MB). Free memory was 950.6 MB in the beginning and 1.1 GB in the end (delta: -143.7 MB). Peak memory consumption was 210.7 MB. Max. memory is 11.5 GB. [2018-12-01 21:57:15,346 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-01 21:57:15,346 INFO L168 Benchmark]: CACSL2BoogieTranslator took 305.34 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 104.3 MB). Free memory was 950.6 MB in the beginning and 1.1 GB in the end (delta: -141.9 MB). Peak memory consumption was 35.2 MB. Max. memory is 11.5 GB. [2018-12-01 21:57:15,346 INFO L168 Benchmark]: Boogie Procedure Inliner took 46.29 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: 8.1 MB). Peak memory consumption was 8.1 MB. Max. memory is 11.5 GB. [2018-12-01 21:57:15,346 INFO L168 Benchmark]: Boogie Preprocessor took 35.53 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. [2018-12-01 21:57:15,346 INFO L168 Benchmark]: RCFGBuilder took 48805.70 ms. Allocated memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: 132.1 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -44.3 MB). Peak memory consumption was 337.8 MB. Max. memory is 11.5 GB. [2018-12-01 21:57:15,347 INFO L168 Benchmark]: CodeCheck took 7485.85 ms. Allocated memory was 1.3 GB in the beginning and 1.4 GB in the end (delta: 118.0 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 9.4 MB). Peak memory consumption was 127.4 MB. Max. memory is 11.5 GB. [2018-12-01 21:57:15,347 INFO L168 Benchmark]: Witness Printer took 91.29 ms. Allocated memory is still 1.4 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 19.6 MB). Peak memory consumption was 19.6 MB. Max. memory is 11.5 GB. [2018-12-01 21:57:15,348 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, 7.3s OverallTime, 10 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 3000 SDtfs, 5624 SDslu, 3952 SDs, 0 SdLazy, 16612 SolverSat, 2124 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 24.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1211 GetRequests, 1039 SyntacticMatches, 82 SemanticMatches, 90 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4231 ImplicationChecksByTransitivity, 2.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 1.8s InterpolantComputationTime, 125 NumberOfCodeBlocks, 125 NumberOfCodeBlocksAsserted, 9 NumberOfCheckSat, 116 ConstructedInterpolants, 0 QuantifiedInterpolants, 20876 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 9 InterpolantComputations, 1 PerfectInterpolantSequences, 60/132 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: 157]: 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: ((a12 == 0 && (0 <= a1 || !(a10 == 4))) && a4 == 14) || ((a12 == 0 && !(a19 == 7)) && a4 == 14) - InvariantResult [Line: 20]: Loop Invariant Derived loop invariant: (a12 == 0 && ((38 < a1 || !(a19 == 7)) || !(a10 == 4))) && 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 0.19 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 305.34 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 104.3 MB). Free memory was 950.6 MB in the beginning and 1.1 GB in the end (delta: -141.9 MB). Peak memory consumption was 35.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 46.29 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: 8.1 MB). Peak memory consumption was 8.1 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 35.53 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 48805.70 ms. Allocated memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: 132.1 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: -44.3 MB). Peak memory consumption was 337.8 MB. Max. memory is 11.5 GB. * CodeCheck took 7485.85 ms. Allocated memory was 1.3 GB in the beginning and 1.4 GB in the end (delta: 118.0 MB). Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 9.4 MB). Peak memory consumption was 127.4 MB. Max. memory is 11.5 GB. * Witness Printer took 91.29 ms. Allocated memory is still 1.4 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 19.6 MB). Peak memory consumption was 19.6 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...