./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/loop-invgen/SpamAssassin-loop_true-unreach-call_false-termination.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_035e6c9e-69e1-4c16-ad52-a6daa5718bae/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_035e6c9e-69e1-4c16-ad52-a6daa5718bae/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_035e6c9e-69e1-4c16-ad52-a6daa5718bae/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_035e6c9e-69e1-4c16-ad52-a6daa5718bae/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/loop-invgen/SpamAssassin-loop_true-unreach-call_false-termination.i -s /tmp/vcloud-vcloud-master/worker/working_dir_035e6c9e-69e1-4c16-ad52-a6daa5718bae/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_035e6c9e-69e1-4c16-ad52-a6daa5718bae/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 751def0588f132c393a8666a5acb62e8205c40a1 ................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-02 14:27:34,928 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-02 14:27:34,929 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-02 14:27:34,935 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-02 14:27:34,935 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-02 14:27:34,935 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-02 14:27:34,936 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-02 14:27:34,936 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-02 14:27:34,937 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-02 14:27:34,938 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-02 14:27:34,938 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-02 14:27:34,938 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-02 14:27:34,939 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-02 14:27:34,939 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-02 14:27:34,940 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-02 14:27:34,940 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-02 14:27:34,941 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-02 14:27:34,941 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-02 14:27:34,942 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-02 14:27:34,943 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-02 14:27:34,944 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-02 14:27:34,944 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-02 14:27:34,945 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-02 14:27:34,945 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-02 14:27:34,945 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-02 14:27:34,946 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-02 14:27:34,946 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-02 14:27:34,947 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-02 14:27:34,947 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-02 14:27:34,947 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-02 14:27:34,947 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-02 14:27:34,948 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-02 14:27:34,948 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-02 14:27:34,948 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-02 14:27:34,948 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-02 14:27:34,949 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-02 14:27:34,949 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_035e6c9e-69e1-4c16-ad52-a6daa5718bae/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-12-02 14:27:34,956 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-02 14:27:34,956 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-02 14:27:34,957 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-02 14:27:34,957 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-12-02 14:27:34,957 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-02 14:27:34,957 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-02 14:27:34,957 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-02 14:27:34,957 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-02 14:27:34,957 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-02 14:27:34,957 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-02 14:27:34,957 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-02 14:27:34,958 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-02 14:27:34,958 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-02 14:27:34,958 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-02 14:27:34,958 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-02 14:27:34,958 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-02 14:27:34,958 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-02 14:27:34,958 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-02 14:27:34,958 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-12-02 14:27:34,958 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-12-02 14:27:34,958 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-02 14:27:34,958 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-02 14:27:34,958 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-02 14:27:34,958 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-02 14:27:34,959 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-02 14:27:34,959 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-02 14:27:34,959 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-12-02 14:27:34,959 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-02 14:27:34,959 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-02 14:27:34,959 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_035e6c9e-69e1-4c16-ad52-a6daa5718bae/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 -> 751def0588f132c393a8666a5acb62e8205c40a1 [2018-12-02 14:27:34,976 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-02 14:27:34,983 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-02 14:27:34,985 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-02 14:27:34,986 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-02 14:27:34,986 INFO L276 PluginConnector]: CDTParser initialized [2018-12-02 14:27:34,986 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_035e6c9e-69e1-4c16-ad52-a6daa5718bae/bin-2019/ukojak/../../sv-benchmarks/c/loop-invgen/SpamAssassin-loop_true-unreach-call_false-termination.i [2018-12-02 14:27:35,020 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_035e6c9e-69e1-4c16-ad52-a6daa5718bae/bin-2019/ukojak/data/f41759a44/2e7bf253760b46ee932c933054dc6454/FLAG64991ea47 [2018-12-02 14:27:35,436 INFO L307 CDTParser]: Found 1 translation units. [2018-12-02 14:27:35,436 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_035e6c9e-69e1-4c16-ad52-a6daa5718bae/sv-benchmarks/c/loop-invgen/SpamAssassin-loop_true-unreach-call_false-termination.i [2018-12-02 14:27:35,439 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_035e6c9e-69e1-4c16-ad52-a6daa5718bae/bin-2019/ukojak/data/f41759a44/2e7bf253760b46ee932c933054dc6454/FLAG64991ea47 [2018-12-02 14:27:35,448 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_035e6c9e-69e1-4c16-ad52-a6daa5718bae/bin-2019/ukojak/data/f41759a44/2e7bf253760b46ee932c933054dc6454 [2018-12-02 14:27:35,450 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-02 14:27:35,451 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-02 14:27:35,451 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-02 14:27:35,451 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-02 14:27:35,453 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-02 14:27:35,454 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 02:27:35" (1/1) ... [2018-12-02 14:27:35,456 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3dd40c7f and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:27:35, skipping insertion in model container [2018-12-02 14:27:35,456 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 02:27:35" (1/1) ... [2018-12-02 14:27:35,460 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-02 14:27:35,470 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-02 14:27:35,558 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 14:27:35,561 INFO L191 MainTranslator]: Completed pre-run [2018-12-02 14:27:35,572 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 14:27:35,580 INFO L195 MainTranslator]: Completed translation [2018-12-02 14:27:35,580 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:27:35 WrapperNode [2018-12-02 14:27:35,580 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-02 14:27:35,581 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-02 14:27:35,581 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-02 14:27:35,581 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-02 14:27:35,586 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:27:35" (1/1) ... [2018-12-02 14:27:35,589 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:27:35" (1/1) ... [2018-12-02 14:27:35,601 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-02 14:27:35,601 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-02 14:27:35,601 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-02 14:27:35,601 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-02 14:27:35,607 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:27:35" (1/1) ... [2018-12-02 14:27:35,607 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:27:35" (1/1) ... [2018-12-02 14:27:35,608 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:27:35" (1/1) ... [2018-12-02 14:27:35,608 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:27:35" (1/1) ... [2018-12-02 14:27:35,609 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:27:35" (1/1) ... [2018-12-02 14:27:35,644 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:27:35" (1/1) ... [2018-12-02 14:27:35,645 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:27:35" (1/1) ... [2018-12-02 14:27:35,646 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-02 14:27:35,646 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-02 14:27:35,646 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-02 14:27:35,646 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-02 14:27:35,647 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 02:27:35" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_035e6c9e-69e1-4c16-ad52-a6daa5718bae/bin-2019/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-02 14:27:35,677 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-02 14:27:35,678 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-02 14:27:35,678 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2018-12-02 14:27:35,678 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2018-12-02 14:27:35,789 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-02 14:27:35,789 INFO L280 CfgBuilder]: Removed 6 assue(true) statements. [2018-12-02 14:27:35,790 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 02:27:35 BoogieIcfgContainer [2018-12-02 14:27:35,790 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-02 14:27:35,790 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-12-02 14:27:35,790 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-12-02 14:27:35,796 INFO L276 PluginConnector]: CodeCheck initialized [2018-12-02 14:27:35,796 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 02:27:35" (1/1) ... [2018-12-02 14:27:35,803 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 14:27:35,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 14:27:35,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 55 states to 35 states and 55 transitions. [2018-12-02 14:27:35,826 INFO L276 IsEmpty]: Start isEmpty. Operand 35 states and 55 transitions. [2018-12-02 14:27:35,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-12-02 14:27:35,827 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 14:27:35,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:27:35,932 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 14:27:36,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 14:27:36,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 39 states and 77 transitions. [2018-12-02 14:27:36,015 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 77 transitions. [2018-12-02 14:27:36,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-12-02 14:27:36,019 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 14:27:36,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:27:36,049 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 14:27:36,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 14:27:36,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 77 states to 39 states and 76 transitions. [2018-12-02 14:27:36,067 INFO L276 IsEmpty]: Start isEmpty. Operand 39 states and 76 transitions. [2018-12-02 14:27:36,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-12-02 14:27:36,067 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 14:27:36,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:27:36,127 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 14:27:36,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 14:27:36,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 44 states and 86 transitions. [2018-12-02 14:27:36,393 INFO L276 IsEmpty]: Start isEmpty. Operand 44 states and 86 transitions. [2018-12-02 14:27:36,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-12-02 14:27:36,394 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 14:27:36,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:27:36,423 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 14:27:36,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 14:27:36,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 88 states to 46 states and 88 transitions. [2018-12-02 14:27:36,486 INFO L276 IsEmpty]: Start isEmpty. Operand 46 states and 88 transitions. [2018-12-02 14:27:36,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-12-02 14:27:36,488 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 14:27:36,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:27:36,584 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 3 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-12-02 14:27:37,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 14:27:37,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 105 states to 52 states and 105 transitions. [2018-12-02 14:27:37,003 INFO L276 IsEmpty]: Start isEmpty. Operand 52 states and 105 transitions. [2018-12-02 14:27:37,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-12-02 14:27:37,004 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 14:27:37,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:27:37,026 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 3 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-12-02 14:27:37,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 14:27:37,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 51 states and 102 transitions. [2018-12-02 14:27:37,093 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 102 transitions. [2018-12-02 14:27:37,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-12-02 14:27:37,093 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 14:27:37,097 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:27:37,172 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 5 proven. 7 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-12-02 14:27:37,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 14:27:37,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 57 states and 117 transitions. [2018-12-02 14:27:37,590 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 117 transitions. [2018-12-02 14:27:37,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-12-02 14:27:37,590 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 14:27:37,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:27:37,604 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 5 proven. 7 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-12-02 14:27:37,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 14:27:37,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 123 states to 57 states and 115 transitions. [2018-12-02 14:27:37,631 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 115 transitions. [2018-12-02 14:27:37,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2018-12-02 14:27:37,632 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 14:27:37,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:27:37,674 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 7 proven. 10 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-12-02 14:27:37,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 14:27:37,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 135 states to 64 states and 127 transitions. [2018-12-02 14:27:37,823 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 127 transitions. [2018-12-02 14:27:37,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-12-02 14:27:37,824 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 14:27:37,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:27:37,872 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 9 proven. 13 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2018-12-02 14:27:38,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 14:27:38,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 72 states and 140 transitions. [2018-12-02 14:27:38,038 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 140 transitions. [2018-12-02 14:27:38,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-12-02 14:27:38,038 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 14:27:38,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:27:38,089 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 10 proven. 16 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2018-12-02 14:27:38,259 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 14:27:38,260 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 156 states to 74 states and 147 transitions. [2018-12-02 14:27:38,261 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 147 transitions. [2018-12-02 14:27:38,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 40 [2018-12-02 14:27:38,262 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 14:27:38,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:27:38,284 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 11 proven. 17 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-12-02 14:27:38,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 14:27:38,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 75 states and 150 transitions. [2018-12-02 14:27:38,406 INFO L276 IsEmpty]: Start isEmpty. Operand 75 states and 150 transitions. [2018-12-02 14:27:38,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-12-02 14:27:38,407 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 14:27:38,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:27:38,470 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 11 proven. 21 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2018-12-02 14:27:38,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 14:27:38,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 180 states to 82 states and 171 transitions. [2018-12-02 14:27:38,977 INFO L276 IsEmpty]: Start isEmpty. Operand 82 states and 171 transitions. [2018-12-02 14:27:38,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-12-02 14:27:38,977 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 14:27:38,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:27:38,991 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 11 proven. 16 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2018-12-02 14:27:39,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 14:27:39,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 194 states to 85 states and 175 transitions. [2018-12-02 14:27:39,346 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 175 transitions. [2018-12-02 14:27:39,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 45 [2018-12-02 14:27:39,347 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 14:27:39,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:27:39,372 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2018-12-02 14:27:39,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 14:27:39,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 202 states to 91 states and 183 transitions. [2018-12-02 14:27:39,514 INFO L276 IsEmpty]: Start isEmpty. Operand 91 states and 183 transitions. [2018-12-02 14:27:39,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-12-02 14:27:39,515 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 14:27:39,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:27:39,525 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 13 proven. 19 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2018-12-02 14:27:39,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 14:27:39,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 211 states to 95 states and 191 transitions. [2018-12-02 14:27:39,811 INFO L276 IsEmpty]: Start isEmpty. Operand 95 states and 191 transitions. [2018-12-02 14:27:39,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 53 [2018-12-02 14:27:39,812 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 14:27:39,815 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:27:39,826 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 15 proven. 22 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2018-12-02 14:27:40,201 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 14:27:40,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 100 states and 201 transitions. [2018-12-02 14:27:40,201 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 201 transitions. [2018-12-02 14:27:40,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 58 [2018-12-02 14:27:40,202 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 14:27:40,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:27:40,255 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 17 proven. 25 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2018-12-02 14:27:40,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 14:27:40,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 102 states and 207 transitions. [2018-12-02 14:27:40,679 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 207 transitions. [2018-12-02 14:27:40,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-12-02 14:27:40,680 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 14:27:40,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:27:40,690 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 23 proven. 25 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2018-12-02 14:27:40,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 14:27:40,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 229 states to 102 states and 206 transitions. [2018-12-02 14:27:40,710 INFO L276 IsEmpty]: Start isEmpty. Operand 102 states and 206 transitions. [2018-12-02 14:27:40,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 60 [2018-12-02 14:27:40,711 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 14:27:40,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:27:40,721 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 23 proven. 25 refuted. 0 times theorem prover too weak. 120 trivial. 0 not checked. [2018-12-02 14:27:41,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 14:27:41,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 107 states and 220 transitions. [2018-12-02 14:27:41,342 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 220 transitions. [2018-12-02 14:27:41,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 64 [2018-12-02 14:27:41,342 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 14:27:41,345 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:27:41,406 INFO L134 CoverageAnalysis]: Checked inductivity of 200 backedges. 19 proven. 28 refuted. 0 times theorem prover too weak. 153 trivial. 0 not checked. [2018-12-02 14:27:41,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 14:27:41,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 110 states and 226 transitions. [2018-12-02 14:27:41,527 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 226 transitions. [2018-12-02 14:27:41,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 67 [2018-12-02 14:27:41,528 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 14:27:41,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:27:41,548 INFO L134 CoverageAnalysis]: Checked inductivity of 206 backedges. 19 proven. 34 refuted. 0 times theorem prover too weak. 153 trivial. 0 not checked. [2018-12-02 14:27:41,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 14:27:41,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 264 states to 117 states and 241 transitions. [2018-12-02 14:27:41,734 INFO L276 IsEmpty]: Start isEmpty. Operand 117 states and 241 transitions. [2018-12-02 14:27:41,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 69 [2018-12-02 14:27:41,734 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 14:27:41,739 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:27:41,747 INFO L134 CoverageAnalysis]: Checked inductivity of 242 backedges. 44 proven. 32 refuted. 0 times theorem prover too weak. 166 trivial. 0 not checked. [2018-12-02 14:27:42,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 14:27:42,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 268 states to 118 states and 244 transitions. [2018-12-02 14:27:42,033 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 244 transitions. [2018-12-02 14:27:42,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2018-12-02 14:27:42,033 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 14:27:42,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:27:42,043 INFO L134 CoverageAnalysis]: Checked inductivity of 248 backedges. 26 proven. 32 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked. [2018-12-02 14:27:42,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 14:27:42,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282 states to 125 states and 258 transitions. [2018-12-02 14:27:42,252 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 258 transitions. [2018-12-02 14:27:42,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2018-12-02 14:27:42,253 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 14:27:42,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:27:42,264 INFO L134 CoverageAnalysis]: Checked inductivity of 257 backedges. 49 proven. 38 refuted. 0 times theorem prover too weak. 170 trivial. 0 not checked. [2018-12-02 14:27:42,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 14:27:42,334 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 282 states to 125 states and 257 transitions. [2018-12-02 14:27:42,334 INFO L276 IsEmpty]: Start isEmpty. Operand 125 states and 257 transitions. [2018-12-02 14:27:42,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2018-12-02 14:27:42,335 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 14:27:42,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:27:42,402 INFO L134 CoverageAnalysis]: Checked inductivity of 305 backedges. 23 proven. 50 refuted. 0 times theorem prover too weak. 232 trivial. 0 not checked. [2018-12-02 14:27:42,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 14:27:42,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 299 states to 135 states and 274 transitions. [2018-12-02 14:27:42,781 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 274 transitions. [2018-12-02 14:27:42,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2018-12-02 14:27:42,782 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 14:27:42,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:27:42,792 INFO L134 CoverageAnalysis]: Checked inductivity of 340 backedges. 44 proven. 50 refuted. 0 times theorem prover too weak. 246 trivial. 0 not checked. [2018-12-02 14:27:43,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 14:27:43,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 315 states to 139 states and 287 transitions. [2018-12-02 14:27:43,413 INFO L276 IsEmpty]: Start isEmpty. Operand 139 states and 287 transitions. [2018-12-02 14:27:43,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2018-12-02 14:27:43,414 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 14:27:43,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:27:43,478 INFO L134 CoverageAnalysis]: Checked inductivity of 394 backedges. 27 proven. 42 refuted. 0 times theorem prover too weak. 325 trivial. 0 not checked. [2018-12-02 14:27:44,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 14:27:44,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 339 states to 146 states and 311 transitions. [2018-12-02 14:27:44,395 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 311 transitions. [2018-12-02 14:27:44,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2018-12-02 14:27:44,396 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 14:27:44,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:27:44,424 INFO L134 CoverageAnalysis]: Checked inductivity of 397 backedges. 27 proven. 41 refuted. 0 times theorem prover too weak. 329 trivial. 0 not checked. [2018-12-02 14:27:45,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 14:27:45,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 365 states to 58 states and 94 transitions. [2018-12-02 14:27:45,427 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 94 transitions. [2018-12-02 14:27:45,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2018-12-02 14:27:45,427 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 14:27:45,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 14:27:45,442 INFO L134 CoverageAnalysis]: Checked inductivity of 452 backedges. 60 proven. 50 refuted. 0 times theorem prover too weak. 342 trivial. 0 not checked. [2018-12-02 14:27:45,617 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 14:27:45,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 364 states to 40 states and 65 transitions. [2018-12-02 14:27:45,618 INFO L276 IsEmpty]: Start isEmpty. Operand 40 states and 65 transitions. [2018-12-02 14:27:45,618 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-02 14:27:45,618 WARN L428 CodeCheckObserver]: This Program is SAFE, Check terminated with 31 iterations. [2018-12-02 14:27:45,624 INFO L779 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-12-02 14:27:45,866 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-02 14:27:45,867 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-02 14:27:45,868 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-02 14:27:45,868 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-02 14:27:45,868 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 02.12 02:27:45 ImpRootNode [2018-12-02 14:27:45,868 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-12-02 14:27:45,868 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-02 14:27:45,868 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-02 14:27:45,868 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-02 14:27:45,869 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 02:27:35" (3/4) ... [2018-12-02 14:27:45,871 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-02 14:27:45,874 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2018-12-02 14:27:45,876 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2018-12-02 14:27:45,877 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-12-02 14:27:45,905 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_035e6c9e-69e1-4c16-ad52-a6daa5718bae/bin-2019/ukojak/witness.graphml [2018-12-02 14:27:45,905 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-02 14:27:45,906 INFO L168 Benchmark]: Toolchain (without parser) took 10455.47 ms. Allocated memory was 1.0 GB in the beginning and 1.4 GB in the end (delta: 410.0 MB). Free memory was 962.4 MB in the beginning and 1.0 GB in the end (delta: -69.3 MB). Peak memory consumption was 340.7 MB. Max. memory is 11.5 GB. [2018-12-02 14:27:45,907 INFO L168 Benchmark]: CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 982.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 14:27:45,907 INFO L168 Benchmark]: CACSL2BoogieTranslator took 129.26 ms. Allocated memory is still 1.0 GB. Free memory was 962.4 MB in the beginning and 950.6 MB in the end (delta: 11.8 MB). Peak memory consumption was 11.8 MB. Max. memory is 11.5 GB. [2018-12-02 14:27:45,907 INFO L168 Benchmark]: Boogie Procedure Inliner took 20.14 ms. Allocated memory is still 1.0 GB. Free memory is still 950.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 14:27:45,907 INFO L168 Benchmark]: Boogie Preprocessor took 44.71 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 138.4 MB). Free memory was 950.6 MB in the beginning and 1.1 GB in the end (delta: -182.7 MB). Peak memory consumption was 18.7 MB. Max. memory is 11.5 GB. [2018-12-02 14:27:45,907 INFO L168 Benchmark]: RCFGBuilder took 143.84 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: 21.6 MB). Peak memory consumption was 21.6 MB. Max. memory is 11.5 GB. [2018-12-02 14:27:45,907 INFO L168 Benchmark]: CodeCheck took 10077.91 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 271.6 MB). Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 68.1 MB). Peak memory consumption was 339.7 MB. Max. memory is 11.5 GB. [2018-12-02 14:27:45,908 INFO L168 Benchmark]: Witness Printer took 37.07 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: 12.0 MB). Peak memory consumption was 12.0 MB. Max. memory is 11.5 GB. [2018-12-02 14:27:45,909 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 2 procedures, 37 locations, 1 error locations. SAFE Result, 9.8s OverallTime, 31 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: -402653184 SDtfs, 1672429944 SDslu, 204352648 SDs, 0 SdLazy, -1992000068 SolverSat, -499089388 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 10.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 14793 GetRequests, 14289 SyntacticMatches, 222 SemanticMatches, 282 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 36623 ImplicationChecksByTransitivity, 8.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.8s InterpolantComputationTime, 1444 NumberOfCodeBlocks, 1444 NumberOfCodeBlocksAsserted, 30 NumberOfCheckSat, 1414 ConstructedInterpolants, 0 QuantifiedInterpolants, 178438 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 30 InterpolantComputations, 3 PerfectInterpolantSequences, 3613/4243 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: 5]: 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: 1 - InvariantResult [Line: 21]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 10]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 22]: Loop Invariant Derived loop invariant: 1 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 982.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 129.26 ms. Allocated memory is still 1.0 GB. Free memory was 962.4 MB in the beginning and 950.6 MB in the end (delta: 11.8 MB). Peak memory consumption was 11.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 20.14 ms. Allocated memory is still 1.0 GB. Free memory is still 950.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 44.71 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 138.4 MB). Free memory was 950.6 MB in the beginning and 1.1 GB in the end (delta: -182.7 MB). Peak memory consumption was 18.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 143.84 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: 21.6 MB). Peak memory consumption was 21.6 MB. Max. memory is 11.5 GB. * CodeCheck took 10077.91 ms. Allocated memory was 1.2 GB in the beginning and 1.4 GB in the end (delta: 271.6 MB). Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 68.1 MB). Peak memory consumption was 339.7 MB. Max. memory is 11.5 GB. * Witness Printer took 37.07 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: 12.0 MB). Peak memory consumption was 12.0 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...