./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem10_label34_true-unreach-call.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 1dbac8bc Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_afcdb69c-f344-4f2b-887d-1815be5738e4/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_afcdb69c-f344-4f2b-887d-1815be5738e4/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_afcdb69c-f344-4f2b-887d-1815be5738e4/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_afcdb69c-f344-4f2b-887d-1815be5738e4/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem10_label34_true-unreach-call.c -s /tmp/vcloud-vcloud-master/worker/working_dir_afcdb69c-f344-4f2b-887d-1815be5738e4/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_afcdb69c-f344-4f2b-887d-1815be5738e4/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 fbcb07371208327a722ea46e4a68d92ffffb2dff .......................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-1dbac8b [2018-11-10 11:47:23,911 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-10 11:47:23,913 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-10 11:47:23,921 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-10 11:47:23,921 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-10 11:47:23,921 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-10 11:47:23,922 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-10 11:47:23,923 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-10 11:47:23,924 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-10 11:47:23,925 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-10 11:47:23,925 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-10 11:47:23,926 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-10 11:47:23,926 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-10 11:47:23,927 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-10 11:47:23,928 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-10 11:47:23,929 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-10 11:47:23,930 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-10 11:47:23,931 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-10 11:47:23,933 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-10 11:47:23,934 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-10 11:47:23,935 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-10 11:47:23,935 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-10 11:47:23,937 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-10 11:47:23,937 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-10 11:47:23,937 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-10 11:47:23,938 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-10 11:47:23,939 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-10 11:47:23,940 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-10 11:47:23,940 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-10 11:47:23,941 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-10 11:47:23,941 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-10 11:47:23,942 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-10 11:47:23,942 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-10 11:47:23,942 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-10 11:47:23,943 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-10 11:47:23,944 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-10 11:47:23,944 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_afcdb69c-f344-4f2b-887d-1815be5738e4/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-11-10 11:47:23,956 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-10 11:47:23,957 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-10 11:47:23,957 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-10 11:47:23,957 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-10 11:47:23,958 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-10 11:47:23,958 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-10 11:47:23,958 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-10 11:47:23,958 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-10 11:47:23,958 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-10 11:47:23,958 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-10 11:47:23,958 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-10 11:47:23,958 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-10 11:47:23,958 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-10 11:47:23,958 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-10 11:47:23,959 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-10 11:47:23,959 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-10 11:47:23,959 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-10 11:47:23,959 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-10 11:47:23,959 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-10 11:47:23,959 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-10 11:47:23,959 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-10 11:47:23,959 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-10 11:47:23,959 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-10 11:47:23,959 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-10 11:47:23,960 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-10 11:47:23,960 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-10 11:47:23,960 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-10 11:47:23,960 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-10 11:47:23,960 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_afcdb69c-f344-4f2b-887d-1815be5738e4/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 -> fbcb07371208327a722ea46e4a68d92ffffb2dff [2018-11-10 11:47:23,988 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-10 11:47:23,999 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-10 11:47:24,002 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-10 11:47:24,003 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-10 11:47:24,003 INFO L276 PluginConnector]: CDTParser initialized [2018-11-10 11:47:24,004 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_afcdb69c-f344-4f2b-887d-1815be5738e4/bin-2019/ukojak/../../sv-benchmarks/c/eca-rers2012/Problem10_label34_true-unreach-call.c [2018-11-10 11:47:24,057 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_afcdb69c-f344-4f2b-887d-1815be5738e4/bin-2019/ukojak/data/95f3a8e92/ff6db9e4080b47c8b0baee1311ca6893/FLAG85bed0a8a [2018-11-10 11:47:24,484 INFO L298 CDTParser]: Found 1 translation units. [2018-11-10 11:47:24,485 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_afcdb69c-f344-4f2b-887d-1815be5738e4/sv-benchmarks/c/eca-rers2012/Problem10_label34_true-unreach-call.c [2018-11-10 11:47:24,496 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_afcdb69c-f344-4f2b-887d-1815be5738e4/bin-2019/ukojak/data/95f3a8e92/ff6db9e4080b47c8b0baee1311ca6893/FLAG85bed0a8a [2018-11-10 11:47:24,510 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_afcdb69c-f344-4f2b-887d-1815be5738e4/bin-2019/ukojak/data/95f3a8e92/ff6db9e4080b47c8b0baee1311ca6893 [2018-11-10 11:47:24,513 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-10 11:47:24,515 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-10 11:47:24,516 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-10 11:47:24,516 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-10 11:47:24,520 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-10 11:47:24,520 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 11:47:24" (1/1) ... [2018-11-10 11:47:24,523 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2ae94ac8 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:47:24, skipping insertion in model container [2018-11-10 11:47:24,523 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 11:47:24" (1/1) ... [2018-11-10 11:47:24,533 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-10 11:47:24,573 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-10 11:47:24,821 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 11:47:24,825 INFO L189 MainTranslator]: Completed pre-run [2018-11-10 11:47:24,908 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 11:47:24,923 INFO L193 MainTranslator]: Completed translation [2018-11-10 11:47:24,923 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:47:24 WrapperNode [2018-11-10 11:47:24,923 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-10 11:47:24,924 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-10 11:47:24,924 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-10 11:47:24,924 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-10 11:47:24,933 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:47:24" (1/1) ... [2018-11-10 11:47:24,948 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:47:24" (1/1) ... [2018-11-10 11:47:25,058 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-10 11:47:25,059 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-10 11:47:25,059 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-10 11:47:25,059 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-10 11:47:25,069 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:47:24" (1/1) ... [2018-11-10 11:47:25,069 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:47:24" (1/1) ... [2018-11-10 11:47:25,074 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:47:24" (1/1) ... [2018-11-10 11:47:25,074 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:47:24" (1/1) ... [2018-11-10 11:47:25,093 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:47:24" (1/1) ... [2018-11-10 11:47:25,103 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:47:24" (1/1) ... [2018-11-10 11:47:25,111 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:47:24" (1/1) ... [2018-11-10 11:47:25,120 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-10 11:47:25,120 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-10 11:47:25,120 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-10 11:47:25,121 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-10 11:47:25,121 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 11:47:24" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_afcdb69c-f344-4f2b-887d-1815be5738e4/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 [2018-11-10 11:47:25,181 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-10 11:47:25,181 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-10 11:47:25,181 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-10 11:49:31,834 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-10 11:49:31,835 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 11:49:31 BoogieIcfgContainer [2018-11-10 11:49:31,835 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-10 11:49:31,835 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-10 11:49:31,836 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-10 11:49:31,846 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-10 11:49:31,846 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 11:49:31" (1/1) ... [2018-11-10 11:49:31,856 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 11:49:31,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 11:49:31,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 13 states to 10 states and 13 transitions. [2018-11-10 11:49:31,889 INFO L276 IsEmpty]: Start isEmpty. Operand 10 states and 13 transitions. [2018-11-10 11:49:31,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 7 [2018-11-10 11:49:31,965 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 11:49:32,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 11:49:32,159 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 11:49:32,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 11:49:32,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 17 states to 14 states and 17 transitions. [2018-11-10 11:49:32,231 INFO L276 IsEmpty]: Start isEmpty. Operand 14 states and 17 transitions. [2018-11-10 11:49:32,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-11-10 11:49:32,231 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 11:49:32,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 11:49:32,549 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 11:49:32,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 11:49:32,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 31 states to 22 states and 31 transitions. [2018-11-10 11:49:32,768 INFO L276 IsEmpty]: Start isEmpty. Operand 22 states and 31 transitions. [2018-11-10 11:49:32,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-11-10 11:49:32,771 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 11:49:32,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 11:49:33,225 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 11:49:33,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 11:49:33,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 47 states to 31 states and 47 transitions. [2018-11-10 11:49:33,678 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 47 transitions. [2018-11-10 11:49:33,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-11-10 11:49:33,679 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 11:49:33,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 11:49:33,898 INFO L134 CoverageAnalysis]: Checked inductivity of 13 backedges. 0 proven. 13 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 11:49:34,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 11:49:34,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 52 states to 34 states and 52 transitions. [2018-11-10 11:49:34,036 INFO L276 IsEmpty]: Start isEmpty. Operand 34 states and 52 transitions. [2018-11-10 11:49:34,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-11-10 11:49:34,037 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 11:49:34,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 11:49:35,383 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-11-10 11:49:36,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 11:49:36,107 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 43 states and 70 transitions. [2018-11-10 11:49:36,107 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 70 transitions. [2018-11-10 11:49:36,108 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-11-10 11:49:36,108 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 11:49:36,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 11:49:36,953 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 0 proven. 22 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-11-10 11:49:37,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 11:49:37,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 74 states to 47 states and 74 transitions. [2018-11-10 11:49:37,086 INFO L276 IsEmpty]: Start isEmpty. Operand 47 states and 74 transitions. [2018-11-10 11:49:37,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-11-10 11:49:37,087 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 11:49:37,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 11:49:38,000 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 46 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 11:49:39,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 11:49:39,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 89 states to 55 states and 89 transitions. [2018-11-10 11:49:39,074 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 89 transitions. [2018-11-10 11:49:39,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-11-10 11:49:39,075 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 11:49:39,356 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 11:49:39,736 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 0 proven. 46 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 11:49:39,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 11:49:39,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 59 states and 95 transitions. [2018-11-10 11:49:39,883 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 95 transitions. [2018-11-10 11:49:39,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-11-10 11:49:39,884 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 11:49:39,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 11:49:41,604 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 4 proven. 20 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2018-11-10 11:49:41,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 11:49:41,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 95 states to 60 states and 95 transitions. [2018-11-10 11:49:41,790 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 95 transitions. [2018-11-10 11:49:41,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-11-10 11:49:41,791 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 11:49:41,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 11:49:43,522 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 4 proven. 20 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2018-11-10 11:49:43,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 11:49:43,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 64 states to 40 states and 64 transitions. [2018-11-10 11:49:43,890 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 64 transitions. [2018-11-10 11:49:43,890 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-10 11:49:43,891 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 11 iterations. [2018-11-10 11:49:43,901 INFO L778 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-11-10 11:49:44,243 WARN L179 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 21 [2018-11-10 11:49:44,243 INFO L582 CodeCheckObserver]: Invariant with dag size 21 [2018-11-10 11:49:44,252 INFO L582 CodeCheckObserver]: Invariant with dag size 21 [2018-11-10 11:49:44,253 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-10 11:49:44,253 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 10.11 11:49:44 ImpRootNode [2018-11-10 11:49:44,253 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-10 11:49:44,254 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-10 11:49:44,254 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-10 11:49:44,254 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-10 11:49:44,255 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 11:49:31" (3/4) ... [2018-11-10 11:49:44,259 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-10 11:49:44,277 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 179 nodes and edges [2018-11-10 11:49:44,278 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2018-11-10 11:49:44,279 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2018-11-10 11:49:44,280 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-10 11:49:44,378 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_afcdb69c-f344-4f2b-887d-1815be5738e4/bin-2019/ukojak/witness.graphml [2018-11-10 11:49:44,378 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-10 11:49:44,378 INFO L168 Benchmark]: Toolchain (without parser) took 139864.70 ms. Allocated memory was 1.0 GB in the beginning and 1.7 GB in the end (delta: 661.1 MB). Free memory was 956.6 MB in the beginning and 1.6 GB in the end (delta: -626.0 MB). Peak memory consumption was 35.1 MB. Max. memory is 11.5 GB. [2018-11-10 11:49:44,379 INFO L168 Benchmark]: CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 11:49:44,379 INFO L168 Benchmark]: CACSL2BoogieTranslator took 408.07 ms. Allocated memory is still 1.0 GB. Free memory was 956.6 MB in the beginning and 921.7 MB in the end (delta: 34.9 MB). Peak memory consumption was 34.9 MB. Max. memory is 11.5 GB. [2018-11-10 11:49:44,380 INFO L168 Benchmark]: Boogie Procedure Inliner took 134.56 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 155.7 MB). Free memory was 921.7 MB in the beginning and 1.1 GB in the end (delta: -215.7 MB). Peak memory consumption was 21.7 MB. Max. memory is 11.5 GB. [2018-11-10 11:49:44,380 INFO L168 Benchmark]: Boogie Preprocessor took 61.17 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. [2018-11-10 11:49:44,380 INFO L168 Benchmark]: RCFGBuilder took 126714.80 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 176.2 MB). Free memory was 1.1 GB in the beginning and 818.4 MB in the end (delta: 312.0 MB). Peak memory consumption was 488.2 MB. Max. memory is 11.5 GB. [2018-11-10 11:49:44,380 INFO L168 Benchmark]: CodeCheck took 12418.10 ms. Allocated memory was 1.4 GB in the beginning and 1.7 GB in the end (delta: 329.3 MB). Free memory was 818.4 MB in the beginning and 1.6 GB in the end (delta: -780.4 MB). Peak memory consumption was 342.4 MB. Max. memory is 11.5 GB. [2018-11-10 11:49:44,381 INFO L168 Benchmark]: Witness Printer took 123.95 ms. Allocated memory is still 1.7 GB. Free memory was 1.6 GB in the beginning and 1.6 GB in the end (delta: 16.2 MB). Peak memory consumption was 16.2 MB. Max. memory is 11.5 GB. [2018-11-10 11:49:44,383 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, 207 locations, 1 error locations. SAFE Result, 12.0s OverallTime, 11 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 7280 SDtfs, 16618 SDslu, 16832 SDs, 0 SdLazy, 31660 SolverSat, 4526 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 4.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 1851 GetRequests, 1602 SyntacticMatches, 137 SemanticMatches, 112 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 8548 ImplicationChecksByTransitivity, 4.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 1.2s SatisfiabilityAnalysisTime, 7.0s InterpolantComputationTime, 205 NumberOfCodeBlocks, 205 NumberOfCodeBlocksAsserted, 10 NumberOfCheckSat, 195 ConstructedInterpolants, 0 QuantifiedInterpolants, 45130 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 10 InterpolantComputations, 1 PerfectInterpolantSequences, 110/316 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: 193]: 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: 20]: Loop Invariant Derived loop invariant: ((a1 <= 218 && a12 == 0) && a4 == 14) || ((a12 == 0 && (!(a10 == 3) || !(a19 == 7))) && a4 == 14) - InvariantResult [Line: 582]: Loop Invariant Derived loop invariant: (((!(a19 == 7) && a12 == 0) && a4 == 14) || ((a1 <= 218 && a12 == 0) && a4 == 14)) || ((!(a10 == 3) && a12 == 0) && a4 == 14) - InvariantResult [Line: 576]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.17 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 408.07 ms. Allocated memory is still 1.0 GB. Free memory was 956.6 MB in the beginning and 921.7 MB in the end (delta: 34.9 MB). Peak memory consumption was 34.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 134.56 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 155.7 MB). Free memory was 921.7 MB in the beginning and 1.1 GB in the end (delta: -215.7 MB). Peak memory consumption was 21.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 61.17 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.9 MB). Peak memory consumption was 6.9 MB. Max. memory is 11.5 GB. * RCFGBuilder took 126714.80 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 176.2 MB). Free memory was 1.1 GB in the beginning and 818.4 MB in the end (delta: 312.0 MB). Peak memory consumption was 488.2 MB. Max. memory is 11.5 GB. * CodeCheck took 12418.10 ms. Allocated memory was 1.4 GB in the beginning and 1.7 GB in the end (delta: 329.3 MB). Free memory was 818.4 MB in the beginning and 1.6 GB in the end (delta: -780.4 MB). Peak memory consumption was 342.4 MB. Max. memory is 11.5 GB. * Witness Printer took 123.95 ms. Allocated memory is still 1.7 GB. Free memory was 1.6 GB in the beginning and 1.6 GB in the end (delta: 16.2 MB). Peak memory consumption was 16.2 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...