./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem10_label51.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 678e0110 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_bebb4477-02ec-4a83-a776-3789f139ccef/bin/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_bebb4477-02ec-4a83-a776-3789f139ccef/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_bebb4477-02ec-4a83-a776-3789f139ccef/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_bebb4477-02ec-4a83-a776-3789f139ccef/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem10_label51.c -s /tmp/vcloud-vcloud-master/worker/run_dir_bebb4477-02ec-4a83-a776-3789f139ccef/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_bebb4477-02ec-4a83-a776-3789f139ccef/bin/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 d0c63ca989dafe8e87fbc74f7a5c90112dbd87ac .......................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-678e011 [2019-11-20 03:50:27,843 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-20 03:50:27,845 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-20 03:50:27,859 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-20 03:50:27,859 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-20 03:50:27,860 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-20 03:50:27,862 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-20 03:50:27,870 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-20 03:50:27,875 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-20 03:50:27,879 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-20 03:50:27,880 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-20 03:50:27,881 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-20 03:50:27,881 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-20 03:50:27,884 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-20 03:50:27,885 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-20 03:50:27,886 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-20 03:50:27,887 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-20 03:50:27,888 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-20 03:50:27,891 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-20 03:50:27,894 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-20 03:50:27,897 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-20 03:50:27,898 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-20 03:50:27,899 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-20 03:50:27,899 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-20 03:50:27,901 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-20 03:50:27,901 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-20 03:50:27,901 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-20 03:50:27,902 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-20 03:50:27,902 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-20 03:50:27,903 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-20 03:50:27,903 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-20 03:50:27,904 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-20 03:50:27,904 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-20 03:50:27,905 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-20 03:50:27,906 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-20 03:50:27,906 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-20 03:50:27,907 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-20 03:50:27,907 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-20 03:50:27,907 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-20 03:50:27,908 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-20 03:50:27,908 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-20 03:50:27,909 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_bebb4477-02ec-4a83-a776-3789f139ccef/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2019-11-20 03:50:27,920 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-20 03:50:27,921 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-20 03:50:27,921 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-20 03:50:27,921 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2019-11-20 03:50:27,922 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-20 03:50:27,922 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-20 03:50:27,922 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-20 03:50:27,922 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-20 03:50:27,922 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-20 03:50:27,923 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-20 03:50:27,923 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-20 03:50:27,923 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-20 03:50:27,923 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-20 03:50:27,923 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-20 03:50:27,923 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-20 03:50:27,923 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-20 03:50:27,924 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-20 03:50:27,924 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-20 03:50:27,924 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2019-11-20 03:50:27,924 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2019-11-20 03:50:27,924 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-20 03:50:27,924 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-20 03:50:27,925 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2019-11-20 03:50:27,925 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-20 03:50:27,925 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-20 03:50:27,925 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-20 03:50:27,925 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2019-11-20 03:50:27,925 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-20 03:50:27,926 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-20 03:50:27,926 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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/run_dir_bebb4477-02ec-4a83-a776-3789f139ccef/bin/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 -> d0c63ca989dafe8e87fbc74f7a5c90112dbd87ac [2019-11-20 03:50:28,064 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-20 03:50:28,074 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-20 03:50:28,077 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-20 03:50:28,078 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-20 03:50:28,080 INFO L275 PluginConnector]: CDTParser initialized [2019-11-20 03:50:28,081 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_bebb4477-02ec-4a83-a776-3789f139ccef/bin/ukojak/../../sv-benchmarks/c/eca-rers2012/Problem10_label51.c [2019-11-20 03:50:28,145 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_bebb4477-02ec-4a83-a776-3789f139ccef/bin/ukojak/data/c956f6cfb/9a5188f4387e46ac9718b9762b5ddcca/FLAGfc57af70c [2019-11-20 03:50:28,621 INFO L306 CDTParser]: Found 1 translation units. [2019-11-20 03:50:28,622 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_bebb4477-02ec-4a83-a776-3789f139ccef/sv-benchmarks/c/eca-rers2012/Problem10_label51.c [2019-11-20 03:50:28,637 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_bebb4477-02ec-4a83-a776-3789f139ccef/bin/ukojak/data/c956f6cfb/9a5188f4387e46ac9718b9762b5ddcca/FLAGfc57af70c [2019-11-20 03:50:28,936 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_bebb4477-02ec-4a83-a776-3789f139ccef/bin/ukojak/data/c956f6cfb/9a5188f4387e46ac9718b9762b5ddcca [2019-11-20 03:50:28,938 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-20 03:50:28,940 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-20 03:50:28,941 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-20 03:50:28,941 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-20 03:50:28,944 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-20 03:50:28,945 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 03:50:28" (1/1) ... [2019-11-20 03:50:28,947 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2fd64ba and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:50:28, skipping insertion in model container [2019-11-20 03:50:28,948 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 03:50:28" (1/1) ... [2019-11-20 03:50:28,953 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-20 03:50:29,003 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-20 03:50:29,530 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 03:50:29,538 INFO L188 MainTranslator]: Completed pre-run [2019-11-20 03:50:29,650 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 03:50:29,665 INFO L192 MainTranslator]: Completed translation [2019-11-20 03:50:29,665 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:50:29 WrapperNode [2019-11-20 03:50:29,665 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-20 03:50:29,666 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-20 03:50:29,666 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-20 03:50:29,666 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-20 03:50:29,674 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:50:29" (1/1) ... [2019-11-20 03:50:29,702 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:50:29" (1/1) ... [2019-11-20 03:50:29,773 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-20 03:50:29,774 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-20 03:50:29,774 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-20 03:50:29,774 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-20 03:50:29,783 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:50:29" (1/1) ... [2019-11-20 03:50:29,784 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:50:29" (1/1) ... [2019-11-20 03:50:29,788 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:50:29" (1/1) ... [2019-11-20 03:50:29,793 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:50:29" (1/1) ... [2019-11-20 03:50:29,834 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:50:29" (1/1) ... [2019-11-20 03:50:29,855 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:50:29" (1/1) ... [2019-11-20 03:50:29,864 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:50:29" (1/1) ... [2019-11-20 03:50:29,886 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-20 03:50:29,887 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-20 03:50:29,887 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-20 03:50:29,887 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-20 03:50:29,888 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 03:50:29" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_bebb4477-02ec-4a83-a776-3789f139ccef/bin/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 [2019-11-20 03:50:29,957 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-20 03:50:29,958 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-20 03:52:37,940 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-20 03:52:37,941 INFO L285 CfgBuilder]: Removed 7 assume(true) statements. [2019-11-20 03:52:37,947 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 03:52:37 BoogieIcfgContainer [2019-11-20 03:52:37,947 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-20 03:52:37,948 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2019-11-20 03:52:37,949 INFO L271 PluginConnector]: Initializing CodeCheck... [2019-11-20 03:52:37,962 INFO L275 PluginConnector]: CodeCheck initialized [2019-11-20 03:52:37,962 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 03:52:37" (1/1) ... [2019-11-20 03:52:37,971 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 03:52:37,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 03:52:38,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 11 states to 9 states and 11 transitions. [2019-11-20 03:52:38,001 INFO L276 IsEmpty]: Start isEmpty. Operand 9 states and 11 transitions. [2019-11-20 03:52:38,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 6 [2019-11-20 03:52:38,004 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 03:52:38,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 03:52:38,168 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 03:52:38,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 03:52:38,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 15 states to 12 states and 15 transitions. [2019-11-20 03:52:38,393 INFO L276 IsEmpty]: Start isEmpty. Operand 12 states and 15 transitions. [2019-11-20 03:52:38,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2019-11-20 03:52:38,393 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 03:52:38,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 03:52:38,895 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 03:52:39,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 03:52:39,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 19 states and 29 transitions. [2019-11-20 03:52:39,288 INFO L276 IsEmpty]: Start isEmpty. Operand 19 states and 29 transitions. [2019-11-20 03:52:39,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-11-20 03:52:39,289 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 03:52:39,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 03:52:39,951 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 03:52:40,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 03:52:40,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 24 states and 39 transitions. [2019-11-20 03:52:40,259 INFO L276 IsEmpty]: Start isEmpty. Operand 24 states and 39 transitions. [2019-11-20 03:52:40,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-11-20 03:52:40,259 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 03:52:40,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 03:52:40,612 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 0 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 03:52:40,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 03:52:40,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 26 states and 43 transitions. [2019-11-20 03:52:40,771 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 43 transitions. [2019-11-20 03:52:40,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-11-20 03:52:40,772 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 03:52:41,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 03:52:41,461 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 17 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-11-20 03:52:43,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 03:52:43,130 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 69 states to 40 states and 69 transitions. [2019-11-20 03:52:43,130 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 69 transitions. [2019-11-20 03:52:43,131 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-11-20 03:52:43,131 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 03:52:43,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 03:52:43,578 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 0 proven. 17 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-11-20 03:52:44,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 03:52:44,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 33 states and 55 transitions. [2019-11-20 03:52:44,116 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 55 transitions. [2019-11-20 03:52:44,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2019-11-20 03:52:44,116 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 03:52:44,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 03:52:45,048 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 0 proven. 24 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2019-11-20 03:52:46,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 03:52:46,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 43 states to 26 states and 43 transitions. [2019-11-20 03:52:46,349 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 43 transitions. [2019-11-20 03:52:46,350 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-20 03:52:46,350 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 8 iterations. [2019-11-20 03:52:46,356 INFO L765 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2019-11-20 03:52:46,644 INFO L569 CodeCheckObserver]: Invariant with dag size 24 [2019-11-20 03:52:46,655 INFO L569 CodeCheckObserver]: Invariant with dag size 23 [2019-11-20 03:52:46,655 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 03:52:46,656 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 20.11 03:52:46 ImpRootNode [2019-11-20 03:52:46,656 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2019-11-20 03:52:46,657 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-20 03:52:46,657 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-20 03:52:46,657 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-20 03:52:46,657 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 03:52:37" (3/4) ... [2019-11-20 03:52:46,660 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-20 03:52:46,681 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 178 nodes and edges [2019-11-20 03:52:46,682 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2019-11-20 03:52:46,684 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2019-11-20 03:52:46,686 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-20 03:52:46,819 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_bebb4477-02ec-4a83-a776-3789f139ccef/bin/ukojak/witness.graphml [2019-11-20 03:52:46,819 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-20 03:52:46,821 INFO L168 Benchmark]: Toolchain (without parser) took 137880.61 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 405.3 MB). Free memory was 942.0 MB in the beginning and 1.0 GB in the end (delta: -75.4 MB). Peak memory consumption was 329.9 MB. Max. memory is 11.5 GB. [2019-11-20 03:52:46,821 INFO L168 Benchmark]: CDTParser took 0.20 ms. Allocated memory is still 1.0 GB. Free memory is still 962.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 03:52:46,822 INFO L168 Benchmark]: CACSL2BoogieTranslator took 725.10 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 130.0 MB). Free memory was 942.0 MB in the beginning and 1.1 GB in the end (delta: -156.8 MB). Peak memory consumption was 19.7 MB. Max. memory is 11.5 GB. [2019-11-20 03:52:46,822 INFO L168 Benchmark]: Boogie Procedure Inliner took 107.34 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: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2019-11-20 03:52:46,822 INFO L168 Benchmark]: Boogie Preprocessor took 112.91 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. [2019-11-20 03:52:46,823 INFO L168 Benchmark]: RCFGBuilder took 128060.43 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 185.1 MB). Free memory was 1.1 GB in the beginning and 815.9 MB in the end (delta: 269.3 MB). Peak memory consumption was 454.4 MB. Max. memory is 11.5 GB. [2019-11-20 03:52:46,823 INFO L168 Benchmark]: CodeCheck took 8708.57 ms. Allocated memory was 1.3 GB in the beginning and 1.4 GB in the end (delta: 90.2 MB). Free memory was 815.9 MB in the beginning and 1.0 GB in the end (delta: -227.6 MB). There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 03:52:46,824 INFO L168 Benchmark]: Witness Printer took 162.48 ms. Allocated memory is still 1.4 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 26.0 MB). Peak memory consumption was 26.0 MB. Max. memory is 11.5 GB. [2019-11-20 03:52:46,826 INFO L335 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, 9 locations, 1 error locations. Result: SAFE, OverallTime: 8.3s, OverallIterations: 8, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 756 SDtfs, 1554 SDslu, 1000 SDs, 0 SdLazy, 4312 SolverSat, 634 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 935 GetRequests, 787 SyntacticMatches, 38 SemanticMatches, 110 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 6265 ImplicationChecksByTransitivity, 4.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 1.3s SatisfiabilityAnalysisTime, 2.3s InterpolantComputationTime, 95 NumberOfCodeBlocks, 95 NumberOfCodeBlocksAsserted, 7 NumberOfCheckSat, 88 ConstructedInterpolants, 0 QuantifiedInterpolants, 16176 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 7 InterpolantComputations, 1 PerfectInterpolantSequences, 20/101 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 154]: 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: (((14 == a4 && a12 == 0) && 0 <= a1 + 12) || (((!(a10 == 3) || !(a19 == 8)) && 14 == a4) && a12 == 0)) || a10 == 4 - InvariantResult [Line: 20]: Loop Invariant Derived loop invariant: a10 == 4 || ((14 == a4 && a12 == 0) && ((!(a10 == 3) || !(a19 == 8)) || 0 < a1 + 13)) - 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 0.20 ms. Allocated memory is still 1.0 GB. Free memory is still 962.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 725.10 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 130.0 MB). Free memory was 942.0 MB in the beginning and 1.1 GB in the end (delta: -156.8 MB). Peak memory consumption was 19.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 107.34 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: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 112.91 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 128060.43 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 185.1 MB). Free memory was 1.1 GB in the beginning and 815.9 MB in the end (delta: 269.3 MB). Peak memory consumption was 454.4 MB. Max. memory is 11.5 GB. * CodeCheck took 8708.57 ms. Allocated memory was 1.3 GB in the beginning and 1.4 GB in the end (delta: 90.2 MB). Free memory was 815.9 MB in the beginning and 1.0 GB in the end (delta: -227.6 MB). There was no memory consumed. Max. memory is 11.5 GB. * Witness Printer took 162.48 ms. Allocated memory is still 1.4 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 26.0 MB). Peak memory consumption was 26.0 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...