./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/loop-invgen/SpamAssassin-loop_true-unreach-call.i.v+cfa-reducer.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 1dbac8bc Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_f9c38e78-8e58-408d-9614-25832870e5af/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_f9c38e78-8e58-408d-9614-25832870e5af/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_f9c38e78-8e58-408d-9614-25832870e5af/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_f9c38e78-8e58-408d-9614-25832870e5af/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/loop-invgen/SpamAssassin-loop_true-unreach-call.i.v+cfa-reducer.c -s /tmp/vcloud-vcloud-master/worker/working_dir_f9c38e78-8e58-408d-9614-25832870e5af/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_f9c38e78-8e58-408d-9614-25832870e5af/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 5daa60820c0033439eb2fc136c4a16d466a909bc ................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-1dbac8b [2018-10-26 19:56:10,062 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-26 19:56:10,064 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-26 19:56:10,078 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-26 19:56:10,079 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-26 19:56:10,080 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-26 19:56:10,084 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-26 19:56:10,085 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-26 19:56:10,088 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-26 19:56:10,090 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-26 19:56:10,092 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-26 19:56:10,093 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-26 19:56:10,094 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-26 19:56:10,096 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-26 19:56:10,106 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-26 19:56:10,106 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-26 19:56:10,107 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-26 19:56:10,108 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-26 19:56:10,110 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-26 19:56:10,113 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-26 19:56:10,114 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-26 19:56:10,115 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-26 19:56:10,117 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-26 19:56:10,117 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-26 19:56:10,120 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-26 19:56:10,121 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-26 19:56:10,122 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-26 19:56:10,122 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-26 19:56:10,123 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-26 19:56:10,123 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-26 19:56:10,123 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-26 19:56:10,124 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-26 19:56:10,124 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-26 19:56:10,124 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-26 19:56:10,125 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-26 19:56:10,128 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-26 19:56:10,129 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_f9c38e78-8e58-408d-9614-25832870e5af/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-10-26 19:56:10,140 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-26 19:56:10,144 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-26 19:56:10,145 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-26 19:56:10,145 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-10-26 19:56:10,146 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-10-26 19:56:10,146 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-10-26 19:56:10,146 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-26 19:56:10,146 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-26 19:56:10,146 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-26 19:56:10,146 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-26 19:56:10,147 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-26 19:56:10,147 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-26 19:56:10,147 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-26 19:56:10,147 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-26 19:56:10,147 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-26 19:56:10,147 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-26 19:56:10,147 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-26 19:56:10,148 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-10-26 19:56:10,148 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-10-26 19:56:10,148 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-26 19:56:10,148 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-26 19:56:10,148 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-10-26 19:56:10,148 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-26 19:56:10,148 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-26 19:56:10,149 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-26 19:56:10,149 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-10-26 19:56:10,149 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-26 19:56:10,149 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-26 19:56:10,151 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_f9c38e78-8e58-408d-9614-25832870e5af/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 -> 5daa60820c0033439eb2fc136c4a16d466a909bc [2018-10-26 19:56:10,177 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-26 19:56:10,187 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-26 19:56:10,190 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-26 19:56:10,191 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-26 19:56:10,191 INFO L276 PluginConnector]: CDTParser initialized [2018-10-26 19:56:10,192 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_f9c38e78-8e58-408d-9614-25832870e5af/bin-2019/ukojak/../../sv-benchmarks/c/loop-invgen/SpamAssassin-loop_true-unreach-call.i.v+cfa-reducer.c [2018-10-26 19:56:10,241 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_f9c38e78-8e58-408d-9614-25832870e5af/bin-2019/ukojak/data/520c9054a/84771f09ff634315928ea564644929b9/FLAGe23eb837a [2018-10-26 19:56:10,619 INFO L298 CDTParser]: Found 1 translation units. [2018-10-26 19:56:10,620 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_f9c38e78-8e58-408d-9614-25832870e5af/sv-benchmarks/c/loop-invgen/SpamAssassin-loop_true-unreach-call.i.v+cfa-reducer.c [2018-10-26 19:56:10,630 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_f9c38e78-8e58-408d-9614-25832870e5af/bin-2019/ukojak/data/520c9054a/84771f09ff634315928ea564644929b9/FLAGe23eb837a [2018-10-26 19:56:10,645 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_f9c38e78-8e58-408d-9614-25832870e5af/bin-2019/ukojak/data/520c9054a/84771f09ff634315928ea564644929b9 [2018-10-26 19:56:10,647 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-26 19:56:10,648 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-10-26 19:56:10,649 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-26 19:56:10,649 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-26 19:56:10,652 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-26 19:56:10,653 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 07:56:10" (1/1) ... [2018-10-26 19:56:10,655 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@76955b6e and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:56:10, skipping insertion in model container [2018-10-26 19:56:10,655 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 07:56:10" (1/1) ... [2018-10-26 19:56:10,663 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-26 19:56:10,688 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-26 19:56:10,824 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 19:56:10,828 INFO L189 MainTranslator]: Completed pre-run [2018-10-26 19:56:10,856 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 19:56:10,866 INFO L193 MainTranslator]: Completed translation [2018-10-26 19:56:10,867 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:56:10 WrapperNode [2018-10-26 19:56:10,867 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-26 19:56:10,868 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-26 19:56:10,868 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-26 19:56:10,868 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-26 19:56:10,875 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:56:10" (1/1) ... [2018-10-26 19:56:10,885 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:56:10" (1/1) ... [2018-10-26 19:56:10,909 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-26 19:56:10,914 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-26 19:56:10,914 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-26 19:56:10,914 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-26 19:56:10,922 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:56:10" (1/1) ... [2018-10-26 19:56:10,922 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:56:10" (1/1) ... [2018-10-26 19:56:10,924 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:56:10" (1/1) ... [2018-10-26 19:56:10,932 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:56:10" (1/1) ... [2018-10-26 19:56:10,934 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:56:10" (1/1) ... [2018-10-26 19:56:10,937 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:56:10" (1/1) ... [2018-10-26 19:56:10,946 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:56:10" (1/1) ... [2018-10-26 19:56:10,948 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-26 19:56:10,948 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-26 19:56:10,948 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-26 19:56:10,948 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-26 19:56:10,949 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 07:56:10" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f9c38e78-8e58-408d-9614-25832870e5af/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 [2018-10-26 19:56:11,089 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-26 19:56:11,089 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-26 19:56:11,635 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-26 19:56:11,636 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 07:56:11 BoogieIcfgContainer [2018-10-26 19:56:11,636 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-26 19:56:11,636 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-10-26 19:56:11,636 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-10-26 19:56:11,643 INFO L276 PluginConnector]: CodeCheck initialized [2018-10-26 19:56:11,643 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 07:56:11" (1/1) ... [2018-10-26 19:56:11,653 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 19:56:11,681 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:56:11,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 79 states to 58 states and 79 transitions. [2018-10-26 19:56:11,686 INFO L276 IsEmpty]: Start isEmpty. Operand 58 states and 79 transitions. [2018-10-26 19:56:11,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 9 [2018-10-26 19:56:11,688 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:56:11,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:56:11,800 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 19:56:11,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:56:11,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 76 states to 56 states and 76 transitions. [2018-10-26 19:56:11,855 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 76 transitions. [2018-10-26 19:56:11,855 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-10-26 19:56:11,855 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:56:11,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:56:11,970 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 19:56:12,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:56:12,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 86 states to 62 states and 86 transitions. [2018-10-26 19:56:12,332 INFO L276 IsEmpty]: Start isEmpty. Operand 62 states and 86 transitions. [2018-10-26 19:56:12,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 10 [2018-10-26 19:56:12,332 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:56:12,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:56:12,385 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 19:56:12,800 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:56:12,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 91 states to 65 states and 91 transitions. [2018-10-26 19:56:12,801 INFO L276 IsEmpty]: Start isEmpty. Operand 65 states and 91 transitions. [2018-10-26 19:56:12,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 11 [2018-10-26 19:56:12,802 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:56:12,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:56:12,913 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 19:56:13,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:56:13,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 94 states to 68 states and 94 transitions. [2018-10-26 19:56:13,094 INFO L276 IsEmpty]: Start isEmpty. Operand 68 states and 94 transitions. [2018-10-26 19:56:13,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-10-26 19:56:13,097 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:56:13,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:56:13,174 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 19:56:13,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:56:13,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 90 states to 66 states and 90 transitions. [2018-10-26 19:56:13,475 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 90 transitions. [2018-10-26 19:56:13,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 12 [2018-10-26 19:56:13,476 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:56:13,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:56:13,688 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 19:56:14,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:56:14,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 106 states to 74 states and 106 transitions. [2018-10-26 19:56:14,608 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 106 transitions. [2018-10-26 19:56:14,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-10-26 19:56:14,609 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:56:14,616 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:56:14,701 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 19:56:15,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:56:15,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 72 states and 102 transitions. [2018-10-26 19:56:15,020 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 102 transitions. [2018-10-26 19:56:15,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-10-26 19:56:15,021 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:56:15,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:56:15,228 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 19:56:16,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:56:16,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 80 states and 116 transitions. [2018-10-26 19:56:16,986 INFO L276 IsEmpty]: Start isEmpty. Operand 80 states and 116 transitions. [2018-10-26 19:56:16,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 14 [2018-10-26 19:56:16,987 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:56:16,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:56:17,103 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 19:56:18,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:56:18,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 121 states to 86 states and 121 transitions. [2018-10-26 19:56:18,333 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 121 transitions. [2018-10-26 19:56:18,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 15 [2018-10-26 19:56:18,334 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:56:18,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:56:18,473 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 19:56:19,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:56:19,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 93 states and 127 transitions. [2018-10-26 19:56:19,822 INFO L276 IsEmpty]: Start isEmpty. Operand 93 states and 127 transitions. [2018-10-26 19:56:19,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 16 [2018-10-26 19:56:19,823 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:56:19,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:56:20,163 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 19:56:22,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:56:22,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 129 states to 96 states and 129 transitions. [2018-10-26 19:56:22,006 INFO L276 IsEmpty]: Start isEmpty. Operand 96 states and 129 transitions. [2018-10-26 19:56:22,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 17 [2018-10-26 19:56:22,007 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:56:22,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:56:22,234 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 19:56:23,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:56:23,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 100 states and 133 transitions. [2018-10-26 19:56:23,376 INFO L276 IsEmpty]: Start isEmpty. Operand 100 states and 133 transitions. [2018-10-26 19:56:23,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-10-26 19:56:23,377 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:56:23,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:56:23,728 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 19:56:25,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:56:25,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 138 states to 105 states and 138 transitions. [2018-10-26 19:56:25,122 INFO L276 IsEmpty]: Start isEmpty. Operand 105 states and 138 transitions. [2018-10-26 19:56:25,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-10-26 19:56:25,122 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:56:25,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:56:25,148 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 19:56:25,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:56:25,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 107 states and 144 transitions. [2018-10-26 19:56:25,890 INFO L276 IsEmpty]: Start isEmpty. Operand 107 states and 144 transitions. [2018-10-26 19:56:25,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 19 [2018-10-26 19:56:25,891 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:56:25,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:56:26,286 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 19:56:27,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:56:27,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 148 states to 110 states and 148 transitions. [2018-10-26 19:56:27,912 INFO L276 IsEmpty]: Start isEmpty. Operand 110 states and 148 transitions. [2018-10-26 19:56:27,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-10-26 19:56:27,912 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:56:27,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:56:28,035 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 19:56:28,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:56:28,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 113 states and 151 transitions. [2018-10-26 19:56:28,867 INFO L276 IsEmpty]: Start isEmpty. Operand 113 states and 151 transitions. [2018-10-26 19:56:28,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 20 [2018-10-26 19:56:28,868 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:56:28,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:56:29,154 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 19:56:30,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:56:30,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 157 states to 118 states and 157 transitions. [2018-10-26 19:56:30,841 INFO L276 IsEmpty]: Start isEmpty. Operand 118 states and 157 transitions. [2018-10-26 19:56:30,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 21 [2018-10-26 19:56:30,842 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:56:30,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:56:31,519 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 19:56:32,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:56:32,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 120 states and 159 transitions. [2018-10-26 19:56:32,714 INFO L276 IsEmpty]: Start isEmpty. Operand 120 states and 159 transitions. [2018-10-26 19:56:32,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 22 [2018-10-26 19:56:32,714 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:56:32,718 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:56:32,801 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-10-26 19:56:32,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:56:32,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 159 states to 121 states and 159 transitions. [2018-10-26 19:56:32,959 INFO L276 IsEmpty]: Start isEmpty. Operand 121 states and 159 transitions. [2018-10-26 19:56:32,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 23 [2018-10-26 19:56:32,959 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:56:32,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:56:32,976 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 7 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 19:56:35,245 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:56:35,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 178 states to 129 states and 178 transitions. [2018-10-26 19:56:35,245 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 178 transitions. [2018-10-26 19:56:35,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-10-26 19:56:35,246 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:56:35,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:56:35,270 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 19:56:35,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:56:35,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 177 states to 129 states and 177 transitions. [2018-10-26 19:56:35,706 INFO L276 IsEmpty]: Start isEmpty. Operand 129 states and 177 transitions. [2018-10-26 19:56:35,706 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 24 [2018-10-26 19:56:35,706 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:56:35,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:56:35,726 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 4 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 19:56:37,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:56:37,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 191 states to 135 states and 191 transitions. [2018-10-26 19:56:37,416 INFO L276 IsEmpty]: Start isEmpty. Operand 135 states and 191 transitions. [2018-10-26 19:56:37,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-10-26 19:56:37,416 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:56:37,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:56:37,434 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 19:56:39,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:56:39,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 199 states to 140 states and 199 transitions. [2018-10-26 19:56:39,052 INFO L276 IsEmpty]: Start isEmpty. Operand 140 states and 199 transitions. [2018-10-26 19:56:39,052 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-10-26 19:56:39,052 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:56:39,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:56:39,068 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 19:56:40,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:56:40,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 206 states to 145 states and 206 transitions. [2018-10-26 19:56:40,676 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 206 transitions. [2018-10-26 19:56:40,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 26 [2018-10-26 19:56:40,677 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:56:40,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:56:41,336 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 4 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 19:56:43,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:56:43,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 217 states to 148 states and 217 transitions. [2018-10-26 19:56:43,540 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 217 transitions. [2018-10-26 19:56:43,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 27 [2018-10-26 19:56:43,540 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:56:43,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:56:43,555 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 19:56:46,325 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:56:46,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 216 states to 148 states and 216 transitions. [2018-10-26 19:56:46,326 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 216 transitions. [2018-10-26 19:56:46,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-10-26 19:56:46,326 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:56:46,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:56:46,494 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 1 proven. 5 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 19:56:47,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:56:47,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 215 states to 148 states and 215 transitions. [2018-10-26 19:56:47,113 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 215 transitions. [2018-10-26 19:56:47,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 28 [2018-10-26 19:56:47,114 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:56:47,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:56:47,497 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 19:56:50,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:56:50,428 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 238 states to 156 states and 238 transitions. [2018-10-26 19:56:50,428 INFO L276 IsEmpty]: Start isEmpty. Operand 156 states and 238 transitions. [2018-10-26 19:56:50,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-10-26 19:56:50,429 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:56:50,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:56:50,655 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 19:56:54,636 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:56:54,637 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 165 states and 249 transitions. [2018-10-26 19:56:54,637 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 249 transitions. [2018-10-26 19:56:54,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 29 [2018-10-26 19:56:54,637 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:56:54,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:56:54,822 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 19:56:57,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:56:57,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 262 states to 171 states and 262 transitions. [2018-10-26 19:56:57,366 INFO L276 IsEmpty]: Start isEmpty. Operand 171 states and 262 transitions. [2018-10-26 19:56:57,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-10-26 19:56:57,366 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:56:57,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:56:57,383 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 0 proven. 9 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 19:56:59,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:56:59,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 270 states to 176 states and 270 transitions. [2018-10-26 19:56:59,398 INFO L276 IsEmpty]: Start isEmpty. Operand 176 states and 270 transitions. [2018-10-26 19:56:59,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2018-10-26 19:56:59,398 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 19:56:59,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 19:56:59,427 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 6 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2018-10-26 19:57:06,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 19:57:06,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 39 states to 33 states and 39 transitions. [2018-10-26 19:57:06,546 INFO L276 IsEmpty]: Start isEmpty. Operand 33 states and 39 transitions. [2018-10-26 19:57:06,546 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-10-26 19:57:06,547 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 33 iterations. [2018-10-26 19:57:06,553 INFO L778 CodeCheckObserver]: All specifications hold 16 specifications checked. All of them hold [2018-10-26 19:57:06,819 INFO L582 CodeCheckObserver]: Invariant with dag size 24 [2018-10-26 19:57:06,826 INFO L582 CodeCheckObserver]: Invariant with dag size 15 [2018-10-26 19:57:06,827 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-10-26 19:57:06,827 INFO L582 CodeCheckObserver]: Invariant with dag size 17 [2018-10-26 19:57:06,827 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 26.10 07:57:06 ImpRootNode [2018-10-26 19:57:06,828 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-10-26 19:57:06,828 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-10-26 19:57:06,828 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-10-26 19:57:06,829 INFO L276 PluginConnector]: Witness Printer initialized [2018-10-26 19:57:06,829 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 07:56:11" (3/4) ... [2018-10-26 19:57:06,831 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-10-26 19:57:06,840 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 6 nodes and edges [2018-10-26 19:57:06,841 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-10-26 19:57:06,841 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-10-26 19:57:06,898 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_f9c38e78-8e58-408d-9614-25832870e5af/bin-2019/ukojak/witness.graphml [2018-10-26 19:57:06,898 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-10-26 19:57:06,899 INFO L168 Benchmark]: Toolchain (without parser) took 56251.42 ms. Allocated memory was 1.0 GB in the beginning and 1.7 GB in the end (delta: 632.8 MB). Free memory was 963.8 MB in the beginning and 1.3 GB in the end (delta: -338.0 MB). Peak memory consumption was 294.8 MB. Max. memory is 11.5 GB. [2018-10-26 19:57:06,901 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 982.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-26 19:57:06,901 INFO L168 Benchmark]: CACSL2BoogieTranslator took 218.33 ms. Allocated memory is still 1.0 GB. Free memory was 963.8 MB in the beginning and 947.7 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. [2018-10-26 19:57:06,902 INFO L168 Benchmark]: Boogie Procedure Inliner took 45.57 ms. Allocated memory is still 1.0 GB. Free memory is still 947.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-26 19:57:06,902 INFO L168 Benchmark]: Boogie Preprocessor took 34.16 ms. Allocated memory is still 1.0 GB. Free memory is still 947.7 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-26 19:57:06,903 INFO L168 Benchmark]: RCFGBuilder took 688.01 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 161.5 MB). Free memory was 947.7 MB in the beginning and 1.1 GB in the end (delta: -184.9 MB). Peak memory consumption was 15.3 MB. Max. memory is 11.5 GB. [2018-10-26 19:57:06,903 INFO L168 Benchmark]: CodeCheck took 55191.45 ms. Allocated memory was 1.2 GB in the beginning and 1.7 GB in the end (delta: 471.3 MB). Free memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: -169.2 MB). Peak memory consumption was 302.1 MB. Max. memory is 11.5 GB. [2018-10-26 19:57:06,904 INFO L168 Benchmark]: Witness Printer took 70.67 ms. Allocated memory is still 1.7 GB. Free memory was 1.3 GB in the beginning and 1.3 GB in the end (delta: 2.1 kB). Peak memory consumption was 2.1 kB. Max. memory is 11.5 GB. [2018-10-26 19:57:06,907 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 60 locations, 16 error locations. SAFE Result, 54.8s OverallTime, 33 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: -622592 SDtfs, -380480600 SDslu, 612524444 SDs, 0 SdLazy, -1144823590 SolverSat, 1499787466 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 25.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 5581 GetRequests, 4755 SyntacticMatches, 250 SemanticMatches, 576 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 133036 ImplicationChecksByTransitivity, 52.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 5.2s InterpolantComputationTime, 608 NumberOfCodeBlocks, 608 NumberOfCodeBlocksAsserted, 32 NumberOfCheckSat, 576 ConstructedInterpolants, 0 QuantifiedInterpolants, 47775 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 32 InterpolantComputations, 18 PerfectInterpolantSequences, 34/101 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: 172]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 148]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 95]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 136]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 200]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 107]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 252]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 42]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 160]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 224]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 188]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 212]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 240]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 71]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 54]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - PositiveResult [Line: 83]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 16 specifications checked. All of them hold - InvariantResult [Line: 33]: Loop Invariant Derived loop invariant: ((((main__j + 5 <= main__bufsize && main__i + 2 <= main__len) && 0 <= main__i) && main__limit + 4 <= main__bufsize) && 0 <= main__j) || ((((main__j + 5 <= main__bufsize && main__len < main__i + 2) && 0 <= main__i) && main__i + 1 <= main__len) && 0 <= main__j) - InvariantResult [Line: 20]: Loop Invariant Derived loop invariant: (0 <= main__i && main__limit + 4 <= main__bufsize) || (0 <= main__i && main__len < main__i + 1) - InvariantResult [Line: 8]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 26]: Loop Invariant Derived loop invariant: ((0 <= main__i && main__limit + 4 <= main__bufsize) && 0 <= main__j) || (0 <= main__i && main__len < main__i + 1) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 982.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 218.33 ms. Allocated memory is still 1.0 GB. Free memory was 963.8 MB in the beginning and 947.7 MB in the end (delta: 16.1 MB). Peak memory consumption was 16.1 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 45.57 ms. Allocated memory is still 1.0 GB. Free memory is still 947.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 34.16 ms. Allocated memory is still 1.0 GB. Free memory is still 947.7 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 688.01 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 161.5 MB). Free memory was 947.7 MB in the beginning and 1.1 GB in the end (delta: -184.9 MB). Peak memory consumption was 15.3 MB. Max. memory is 11.5 GB. * CodeCheck took 55191.45 ms. Allocated memory was 1.2 GB in the beginning and 1.7 GB in the end (delta: 471.3 MB). Free memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: -169.2 MB). Peak memory consumption was 302.1 MB. Max. memory is 11.5 GB. * Witness Printer took 70.67 ms. Allocated memory is still 1.7 GB. Free memory was 1.3 GB in the beginning and 1.3 GB in the end (delta: 2.1 kB). Peak memory consumption was 2.1 kB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...