./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/ssh-simplified/s3_srvr_1b.cil.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 6b5699aa Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_e0e61e59-49b5-4cfe-a0ab-a7629d1c1147/bin/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_e0e61e59-49b5-4cfe-a0ab-a7629d1c1147/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_e0e61e59-49b5-4cfe-a0ab-a7629d1c1147/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_e0e61e59-49b5-4cfe-a0ab-a7629d1c1147/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/ssh-simplified/s3_srvr_1b.cil.c -s /tmp/vcloud-vcloud-master/worker/run_dir_e0e61e59-49b5-4cfe-a0ab-a7629d1c1147/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_e0e61e59-49b5-4cfe-a0ab-a7629d1c1147/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 7cac24a49d7b473be85039a3051680fd486b81b3 ............................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-6b5699a [2019-11-26 02:51:08,821 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-26 02:51:08,823 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-26 02:51:08,833 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-26 02:51:08,833 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-26 02:51:08,834 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-26 02:51:08,836 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-26 02:51:08,838 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-26 02:51:08,840 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-26 02:51:08,840 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-26 02:51:08,841 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-26 02:51:08,842 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-26 02:51:08,843 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-26 02:51:08,844 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-26 02:51:08,845 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-26 02:51:08,846 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-26 02:51:08,846 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-26 02:51:08,847 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-26 02:51:08,849 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-26 02:51:08,855 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-26 02:51:08,857 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-26 02:51:08,858 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-26 02:51:08,859 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-26 02:51:08,859 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-26 02:51:08,862 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-26 02:51:08,862 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-26 02:51:08,862 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-26 02:51:08,863 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-26 02:51:08,864 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-26 02:51:08,865 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-26 02:51:08,865 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-26 02:51:08,865 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-26 02:51:08,866 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-26 02:51:08,867 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-26 02:51:08,868 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-26 02:51:08,868 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-26 02:51:08,868 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-26 02:51:08,869 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-26 02:51:08,869 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-26 02:51:08,875 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-26 02:51:08,877 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-26 02:51:08,878 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_e0e61e59-49b5-4cfe-a0ab-a7629d1c1147/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2019-11-26 02:51:08,898 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-26 02:51:08,898 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-26 02:51:08,899 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-26 02:51:08,899 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2019-11-26 02:51:08,900 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-26 02:51:08,900 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-26 02:51:08,900 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-26 02:51:08,900 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-26 02:51:08,900 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-26 02:51:08,901 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-26 02:51:08,901 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-26 02:51:08,902 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-26 02:51:08,902 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-26 02:51:08,902 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-26 02:51:08,902 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-26 02:51:08,902 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-26 02:51:08,903 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-26 02:51:08,903 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-26 02:51:08,903 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2019-11-26 02:51:08,903 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2019-11-26 02:51:08,903 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-26 02:51:08,903 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-26 02:51:08,904 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2019-11-26 02:51:08,904 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-26 02:51:08,904 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-26 02:51:08,904 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-26 02:51:08,904 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2019-11-26 02:51:08,905 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-26 02:51:08,905 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-26 02:51:08,905 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_e0e61e59-49b5-4cfe-a0ab-a7629d1c1147/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 -> 7cac24a49d7b473be85039a3051680fd486b81b3 [2019-11-26 02:51:09,093 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-26 02:51:09,100 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-26 02:51:09,103 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-26 02:51:09,104 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-26 02:51:09,104 INFO L275 PluginConnector]: CDTParser initialized [2019-11-26 02:51:09,104 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_e0e61e59-49b5-4cfe-a0ab-a7629d1c1147/bin/ukojak/../../sv-benchmarks/c/ssh-simplified/s3_srvr_1b.cil.c [2019-11-26 02:51:09,160 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_e0e61e59-49b5-4cfe-a0ab-a7629d1c1147/bin/ukojak/data/eb674de42/11fb9f2b242d409483923dd729cd9d2f/FLAG047a286fb [2019-11-26 02:51:09,587 INFO L306 CDTParser]: Found 1 translation units. [2019-11-26 02:51:09,587 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_e0e61e59-49b5-4cfe-a0ab-a7629d1c1147/sv-benchmarks/c/ssh-simplified/s3_srvr_1b.cil.c [2019-11-26 02:51:09,598 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_e0e61e59-49b5-4cfe-a0ab-a7629d1c1147/bin/ukojak/data/eb674de42/11fb9f2b242d409483923dd729cd9d2f/FLAG047a286fb [2019-11-26 02:51:09,616 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_e0e61e59-49b5-4cfe-a0ab-a7629d1c1147/bin/ukojak/data/eb674de42/11fb9f2b242d409483923dd729cd9d2f [2019-11-26 02:51:09,619 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-26 02:51:09,621 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-26 02:51:09,623 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-26 02:51:09,624 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-26 02:51:09,627 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-26 02:51:09,628 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 02:51:09" (1/1) ... [2019-11-26 02:51:09,630 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@52478bd3 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:51:09, skipping insertion in model container [2019-11-26 02:51:09,631 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.11 02:51:09" (1/1) ... [2019-11-26 02:51:09,637 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-11-26 02:51:09,666 INFO L179 MainTranslator]: Built tables and reachable declarations [2019-11-26 02:51:09,807 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 02:51:09,811 INFO L201 MainTranslator]: Completed pre-run [2019-11-26 02:51:09,904 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-26 02:51:09,919 INFO L205 MainTranslator]: Completed translation [2019-11-26 02:51:09,920 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:51:09 WrapperNode [2019-11-26 02:51:09,920 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-26 02:51:09,921 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-26 02:51:09,921 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-26 02:51:09,922 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-26 02:51:09,929 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:51:09" (1/1) ... [2019-11-26 02:51:09,937 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:51:09" (1/1) ... [2019-11-26 02:51:09,956 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-26 02:51:09,956 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-26 02:51:09,956 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-26 02:51:09,957 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-26 02:51:09,965 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:51:09" (1/1) ... [2019-11-26 02:51:09,966 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:51:09" (1/1) ... [2019-11-26 02:51:09,966 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:51:09" (1/1) ... [2019-11-26 02:51:09,967 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:51:09" (1/1) ... [2019-11-26 02:51:09,969 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:51:09" (1/1) ... [2019-11-26 02:51:09,973 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:51:09" (1/1) ... [2019-11-26 02:51:09,974 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:51:09" (1/1) ... [2019-11-26 02:51:09,976 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-26 02:51:09,976 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-26 02:51:09,976 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-26 02:51:09,977 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-26 02:51:09,977 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.11 02:51:09" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_e0e61e59-49b5-4cfe-a0ab-a7629d1c1147/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 [2019-11-26 02:51:10,038 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-26 02:51:10,038 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-26 02:51:10,476 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-26 02:51:10,476 INFO L284 CfgBuilder]: Removed 5 assume(true) statements. [2019-11-26 02:51:10,477 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 02:51:10 BoogieIcfgContainer [2019-11-26 02:51:10,478 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-26 02:51:10,478 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2019-11-26 02:51:10,478 INFO L271 PluginConnector]: Initializing CodeCheck... [2019-11-26 02:51:10,488 INFO L275 PluginConnector]: CodeCheck initialized [2019-11-26 02:51:10,488 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 02:51:10" (1/1) ... [2019-11-26 02:51:10,497 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-26 02:51:10,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:51:10,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 25 states to 16 states and 25 transitions. [2019-11-26 02:51:10,523 INFO L276 IsEmpty]: Start isEmpty. Operand 16 states and 25 transitions. [2019-11-26 02:51:10,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 5 [2019-11-26 02:51:10,525 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:51:10,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:51:10,628 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:51:10,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:51:10,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 29 states to 18 states and 29 transitions. [2019-11-26 02:51:10,666 INFO L276 IsEmpty]: Start isEmpty. Operand 18 states and 29 transitions. [2019-11-26 02:51:10,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 8 [2019-11-26 02:51:10,667 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:51:10,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:51:10,701 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 0 proven. 2 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:51:10,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:51:10,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 42 states to 23 states and 42 transitions. [2019-11-26 02:51:10,820 INFO L276 IsEmpty]: Start isEmpty. Operand 23 states and 42 transitions. [2019-11-26 02:51:10,822 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2019-11-26 02:51:10,822 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:51:10,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:51:10,852 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 2 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:51:10,964 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:51:10,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 45 states to 26 states and 45 transitions. [2019-11-26 02:51:10,965 INFO L276 IsEmpty]: Start isEmpty. Operand 26 states and 45 transitions. [2019-11-26 02:51:10,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2019-11-26 02:51:10,966 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:51:10,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:51:11,019 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:51:11,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:51:11,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 50 states to 29 states and 50 transitions. [2019-11-26 02:51:11,268 INFO L276 IsEmpty]: Start isEmpty. Operand 29 states and 50 transitions. [2019-11-26 02:51:11,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2019-11-26 02:51:11,270 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:51:11,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:51:11,308 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 5 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-26 02:51:11,447 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:51:11,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 53 states to 31 states and 53 transitions. [2019-11-26 02:51:11,448 INFO L276 IsEmpty]: Start isEmpty. Operand 31 states and 53 transitions. [2019-11-26 02:51:11,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-11-26 02:51:11,449 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:51:11,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:51:11,506 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-11-26 02:51:11,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:51:11,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 56 states to 33 states and 56 transitions. [2019-11-26 02:51:11,641 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 56 transitions. [2019-11-26 02:51:11,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2019-11-26 02:51:11,642 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:51:11,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:51:11,728 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:51:12,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:51:12,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 41 states and 73 transitions. [2019-11-26 02:51:12,118 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 73 transitions. [2019-11-26 02:51:12,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2019-11-26 02:51:12,119 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:51:12,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:51:12,141 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2019-11-26 02:51:12,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:51:12,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 70 states to 41 states and 70 transitions. [2019-11-26 02:51:12,291 INFO L276 IsEmpty]: Start isEmpty. Operand 41 states and 70 transitions. [2019-11-26 02:51:12,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2019-11-26 02:51:12,292 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:51:12,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:51:12,350 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-11-26 02:51:12,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:51:12,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 73 states to 43 states and 73 transitions. [2019-11-26 02:51:12,505 INFO L276 IsEmpty]: Start isEmpty. Operand 43 states and 73 transitions. [2019-11-26 02:51:12,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-11-26 02:51:12,506 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:51:12,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:51:12,536 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-11-26 02:51:12,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:51:12,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 75 states to 45 states and 75 transitions. [2019-11-26 02:51:12,622 INFO L276 IsEmpty]: Start isEmpty. Operand 45 states and 75 transitions. [2019-11-26 02:51:12,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2019-11-26 02:51:12,623 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:51:12,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:51:12,694 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-11-26 02:51:13,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:51:13,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 48 states and 80 transitions. [2019-11-26 02:51:13,244 INFO L276 IsEmpty]: Start isEmpty. Operand 48 states and 80 transitions. [2019-11-26 02:51:13,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2019-11-26 02:51:13,246 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:51:13,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:51:13,305 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:51:13,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:51:13,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 85 states to 53 states and 85 transitions. [2019-11-26 02:51:13,634 INFO L276 IsEmpty]: Start isEmpty. Operand 53 states and 85 transitions. [2019-11-26 02:51:13,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2019-11-26 02:51:13,635 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:51:13,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:51:13,651 INFO L134 CoverageAnalysis]: Checked inductivity of 16 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-11-26 02:51:13,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:51:13,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 80 states to 51 states and 80 transitions. [2019-11-26 02:51:13,753 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 80 transitions. [2019-11-26 02:51:13,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2019-11-26 02:51:13,754 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:51:13,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:51:13,932 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 12 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:51:14,934 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:51:14,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 92 states to 58 states and 92 transitions. [2019-11-26 02:51:14,935 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 92 transitions. [2019-11-26 02:51:14,936 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2019-11-26 02:51:14,936 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:51:14,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:51:14,970 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 12 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-26 02:51:15,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:51:15,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 93 states to 60 states and 93 transitions. [2019-11-26 02:51:15,164 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 93 transitions. [2019-11-26 02:51:15,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-11-26 02:51:15,164 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:51:15,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:51:15,175 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-11-26 02:51:15,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:51:15,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 97 states to 63 states and 97 transitions. [2019-11-26 02:51:15,636 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 97 transitions. [2019-11-26 02:51:15,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-11-26 02:51:15,637 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:51:15,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:51:15,658 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-11-26 02:51:15,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:51:15,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 96 states to 63 states and 96 transitions. [2019-11-26 02:51:15,855 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 96 transitions. [2019-11-26 02:51:15,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-11-26 02:51:15,856 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:51:15,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:51:15,871 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-11-26 02:51:16,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:51:16,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 98 states to 66 states and 98 transitions. [2019-11-26 02:51:16,002 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 98 transitions. [2019-11-26 02:51:16,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2019-11-26 02:51:16,003 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:51:16,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:51:16,017 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-11-26 02:51:16,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:51:16,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 99 states to 68 states and 99 transitions. [2019-11-26 02:51:16,186 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 99 transitions. [2019-11-26 02:51:16,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2019-11-26 02:51:16,187 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:51:16,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:51:16,326 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-11-26 02:51:16,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:51:16,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 72 states and 106 transitions. [2019-11-26 02:51:16,670 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 106 transitions. [2019-11-26 02:51:16,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2019-11-26 02:51:16,671 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:51:16,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:51:16,733 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 0 proven. 18 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-11-26 02:51:16,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:51:16,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 109 states to 76 states and 109 transitions. [2019-11-26 02:51:16,887 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 109 transitions. [2019-11-26 02:51:16,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2019-11-26 02:51:16,888 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:51:16,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:51:16,899 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-11-26 02:51:17,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:51:17,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 112 states to 78 states and 112 transitions. [2019-11-26 02:51:17,360 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 112 transitions. [2019-11-26 02:51:17,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2019-11-26 02:51:17,361 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:51:17,365 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:51:17,371 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-11-26 02:51:17,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:51:17,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 118 states to 82 states and 118 transitions. [2019-11-26 02:51:17,830 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 118 transitions. [2019-11-26 02:51:17,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2019-11-26 02:51:17,831 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:51:17,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:51:17,841 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-11-26 02:51:18,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:51:18,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 120 states to 84 states and 120 transitions. [2019-11-26 02:51:18,063 INFO L276 IsEmpty]: Start isEmpty. Operand 84 states and 120 transitions. [2019-11-26 02:51:18,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2019-11-26 02:51:18,063 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:51:18,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:51:18,080 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-11-26 02:51:18,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:51:18,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 87 states and 123 transitions. [2019-11-26 02:51:18,254 INFO L276 IsEmpty]: Start isEmpty. Operand 87 states and 123 transitions. [2019-11-26 02:51:18,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2019-11-26 02:51:18,255 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-26 02:51:18,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-26 02:51:18,332 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 18 proven. 32 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-26 02:51:18,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-26 02:51:18,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 76 states and 110 transitions. [2019-11-26 02:51:18,385 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 110 transitions. [2019-11-26 02:51:18,386 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-26 02:51:18,386 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 27 iterations. [2019-11-26 02:51:18,394 INFO L765 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2019-11-26 02:51:18,615 WARN L192 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 31 [2019-11-26 02:51:18,851 WARN L192 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 25 [2019-11-26 02:51:19,045 WARN L192 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 58 DAG size of output: 31 [2019-11-26 02:51:19,046 INFO L569 CodeCheckObserver]: Invariant with dag size 3 [2019-11-26 02:51:19,056 INFO L569 CodeCheckObserver]: Invariant with dag size 25 [2019-11-26 02:51:19,060 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-26 02:51:19,060 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-26 02:51:19,061 INFO L569 CodeCheckObserver]: Invariant with dag size 16 [2019-11-26 02:51:19,061 INFO L569 CodeCheckObserver]: Invariant with dag size 25 [2019-11-26 02:51:19,062 INFO L569 CodeCheckObserver]: Invariant with dag size 30 [2019-11-26 02:51:19,063 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 26.11 02:51:19 ImpRootNode [2019-11-26 02:51:19,064 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2019-11-26 02:51:19,064 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-26 02:51:19,064 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-26 02:51:19,064 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-26 02:51:19,065 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.11 02:51:10" (3/4) ... [2019-11-26 02:51:19,067 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-26 02:51:19,075 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2019-11-26 02:51:19,076 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-11-26 02:51:19,126 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_e0e61e59-49b5-4cfe-a0ab-a7629d1c1147/bin/ukojak/witness.graphml [2019-11-26 02:51:19,126 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-26 02:51:19,127 INFO L168 Benchmark]: Toolchain (without parser) took 9506.80 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 323.0 MB). Free memory was 944.7 MB in the beginning and 1.2 GB in the end (delta: -278.0 MB). Peak memory consumption was 44.9 MB. Max. memory is 11.5 GB. [2019-11-26 02:51:19,128 INFO L168 Benchmark]: CDTParser took 0.13 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. [2019-11-26 02:51:19,128 INFO L168 Benchmark]: CACSL2BoogieTranslator took 297.57 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 143.7 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -189.8 MB). Peak memory consumption was 23.3 MB. Max. memory is 11.5 GB. [2019-11-26 02:51:19,129 INFO L168 Benchmark]: Boogie Procedure Inliner took 34.82 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-26 02:51:19,129 INFO L168 Benchmark]: Boogie Preprocessor took 19.83 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-26 02:51:19,130 INFO L168 Benchmark]: RCFGBuilder took 501.32 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: 30.5 MB). Peak memory consumption was 30.5 MB. Max. memory is 11.5 GB. [2019-11-26 02:51:19,130 INFO L168 Benchmark]: CodeCheck took 8585.58 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 179.3 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -123.3 MB). Peak memory consumption was 451.6 MB. Max. memory is 11.5 GB. [2019-11-26 02:51:19,131 INFO L168 Benchmark]: Witness Printer took 62.02 ms. Allocated memory is still 1.4 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 4.6 MB). Peak memory consumption was 4.6 MB. Max. memory is 11.5 GB. [2019-11-26 02:51:19,133 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, 16 locations, 1 error locations. Result: SAFE, OverallTime: 7.8s, OverallIterations: 27, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 239337984 SDtfs, 483185212 SDslu, 1069022704 SDs, 0 SdLazy, 1205551494 SolverSat, 403545662 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 8.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 4083 GetRequests, 3819 SyntacticMatches, 70 SemanticMatches, 194 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 19451 ImplicationChecksByTransitivity, 6.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.9s InterpolantComputationTime, 485 NumberOfCodeBlocks, 485 NumberOfCodeBlocksAsserted, 26 NumberOfCheckSat, 459 ConstructedInterpolants, 0 QuantifiedInterpolants, 19755 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 26 InterpolantComputations, 17 PerfectInterpolantSequences, 301/401 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: 138]: 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: 49]: Loop Invariant Derived loop invariant: blastFlag <= 4 - InvariantResult [Line: 29]: Loop Invariant Derived loop invariant: ((((blastFlag == 2 && !(8512 == s__state)) || (blastFlag == 2 && s__hit == 0)) || (blastFlag <= 4 && 8656 <= s__state)) || (blastFlag <= 2 && !(blastFlag == 2))) || (8640 == s__state && !(s__hit == 0)) - InvariantResult [Line: 8]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 8]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 45]: Loop Invariant Derived loop invariant: (blastFlag <= 2 || (!(8640 == s__state) && blastFlag <= 4)) || (8640 == s__state && !(s__hit == 0)) - InvariantResult [Line: 24]: Loop Invariant Derived loop invariant: ((((blastFlag == 2 && !(8512 == s__state)) || (blastFlag == 2 && s__hit == 0)) || (blastFlag <= 4 && 8656 <= s__state)) || (blastFlag <= 2 && !(blastFlag == 2))) || (8640 == s__state && !(s__hit == 0)) - InvariantResult [Line: 17]: Loop Invariant Derived loop invariant: (((((((8512 <= s__state && blastFlag <= 2) && !(8512 == s__state)) || ((8512 == s__state && blastFlag <= 2) && !(blastFlag == 2))) || (8466 == s__state && blastFlag <= 2)) || (blastFlag <= 4 && 8656 <= s__state)) || (8640 == s__state && !(s__hit == 0))) || ((blastFlag == 2 && s__hit == 0) && 8512 == s__state)) || blastFlag <= 0 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 962.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 297.57 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 143.7 MB). Free memory was 944.7 MB in the beginning and 1.1 GB in the end (delta: -189.8 MB). Peak memory consumption was 23.3 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 34.82 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 19.83 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 501.32 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: 30.5 MB). Peak memory consumption was 30.5 MB. Max. memory is 11.5 GB. * CodeCheck took 8585.58 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 179.3 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -123.3 MB). Peak memory consumption was 451.6 MB. Max. memory is 11.5 GB. * Witness Printer took 62.02 ms. Allocated memory is still 1.4 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 4.6 MB). Peak memory consumption was 4.6 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...