./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/loop-invgen/apache-escape-absolute_true-unreach-call_true-termination.i --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_0bec22bf-78bb-4327-93d0-b347d5d0bc7e/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_0bec22bf-78bb-4327-93d0-b347d5d0bc7e/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_0bec22bf-78bb-4327-93d0-b347d5d0bc7e/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_0bec22bf-78bb-4327-93d0-b347d5d0bc7e/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/loop-invgen/apache-escape-absolute_true-unreach-call_true-termination.i -s /tmp/vcloud-vcloud-master/worker/working_dir_0bec22bf-78bb-4327-93d0-b347d5d0bc7e/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_0bec22bf-78bb-4327-93d0-b347d5d0bc7e/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 3607a70e53f56c4b4860f9fca9676a925474c3df ......................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-1dbac8b [2018-11-10 06:09:10,206 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-10 06:09:10,208 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-10 06:09:10,214 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-10 06:09:10,214 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-10 06:09:10,215 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-10 06:09:10,215 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-10 06:09:10,216 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-10 06:09:10,217 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-10 06:09:10,218 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-10 06:09:10,219 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-10 06:09:10,219 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-10 06:09:10,219 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-10 06:09:10,220 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-10 06:09:10,221 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-10 06:09:10,221 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-10 06:09:10,222 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-10 06:09:10,223 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-10 06:09:10,224 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-10 06:09:10,225 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-10 06:09:10,226 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-10 06:09:10,227 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-10 06:09:10,228 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-10 06:09:10,229 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-10 06:09:10,229 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-10 06:09:10,229 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-10 06:09:10,230 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-10 06:09:10,231 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-10 06:09:10,231 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-10 06:09:10,232 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-10 06:09:10,232 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-10 06:09:10,233 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-10 06:09:10,233 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-10 06:09:10,233 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-10 06:09:10,233 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-10 06:09:10,234 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-10 06:09:10,234 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_0bec22bf-78bb-4327-93d0-b347d5d0bc7e/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-11-10 06:09:10,241 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-10 06:09:10,241 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-10 06:09:10,242 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-10 06:09:10,242 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-10 06:09:10,242 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-10 06:09:10,242 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-10 06:09:10,242 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-10 06:09:10,243 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-10 06:09:10,243 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-10 06:09:10,243 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-10 06:09:10,243 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-10 06:09:10,243 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-10 06:09:10,243 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-10 06:09:10,243 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-10 06:09:10,243 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-10 06:09:10,243 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-10 06:09:10,244 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-10 06:09:10,244 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-10 06:09:10,244 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-10 06:09:10,244 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-10 06:09:10,244 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-10 06:09:10,244 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-10 06:09:10,244 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-10 06:09:10,244 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-10 06:09:10,245 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-10 06:09:10,245 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-10 06:09:10,245 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-10 06:09:10,245 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-10 06:09:10,245 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_0bec22bf-78bb-4327-93d0-b347d5d0bc7e/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 -> 3607a70e53f56c4b4860f9fca9676a925474c3df [2018-11-10 06:09:10,261 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-10 06:09:10,269 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-10 06:09:10,271 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-10 06:09:10,272 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-10 06:09:10,273 INFO L276 PluginConnector]: CDTParser initialized [2018-11-10 06:09:10,273 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_0bec22bf-78bb-4327-93d0-b347d5d0bc7e/bin-2019/ukojak/../../sv-benchmarks/c/loop-invgen/apache-escape-absolute_true-unreach-call_true-termination.i [2018-11-10 06:09:10,308 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_0bec22bf-78bb-4327-93d0-b347d5d0bc7e/bin-2019/ukojak/data/81135bf1d/832d62435add40b699637df26a049029/FLAG3ddd34dd4 [2018-11-10 06:09:10,707 INFO L298 CDTParser]: Found 1 translation units. [2018-11-10 06:09:10,707 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_0bec22bf-78bb-4327-93d0-b347d5d0bc7e/sv-benchmarks/c/loop-invgen/apache-escape-absolute_true-unreach-call_true-termination.i [2018-11-10 06:09:10,713 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_0bec22bf-78bb-4327-93d0-b347d5d0bc7e/bin-2019/ukojak/data/81135bf1d/832d62435add40b699637df26a049029/FLAG3ddd34dd4 [2018-11-10 06:09:10,724 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_0bec22bf-78bb-4327-93d0-b347d5d0bc7e/bin-2019/ukojak/data/81135bf1d/832d62435add40b699637df26a049029 [2018-11-10 06:09:10,726 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-10 06:09:10,728 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-10 06:09:10,728 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-10 06:09:10,728 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-10 06:09:10,731 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-10 06:09:10,731 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 06:09:10" (1/1) ... [2018-11-10 06:09:10,733 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@701bc5a5 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:09:10, skipping insertion in model container [2018-11-10 06:09:10,733 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 10.11 06:09:10" (1/1) ... [2018-11-10 06:09:10,739 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-10 06:09:10,754 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-11-10 06:09:10,859 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 06:09:10,862 INFO L189 MainTranslator]: Completed pre-run [2018-11-10 06:09:10,879 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-11-10 06:09:10,891 INFO L193 MainTranslator]: Completed translation [2018-11-10 06:09:10,891 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:09:10 WrapperNode [2018-11-10 06:09:10,891 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-10 06:09:10,892 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-10 06:09:10,892 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-10 06:09:10,892 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-10 06:09:10,897 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:09:10" (1/1) ... [2018-11-10 06:09:10,901 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:09:10" (1/1) ... [2018-11-10 06:09:10,917 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-10 06:09:10,917 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-10 06:09:10,917 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-10 06:09:10,917 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-10 06:09:10,923 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:09:10" (1/1) ... [2018-11-10 06:09:10,923 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:09:10" (1/1) ... [2018-11-10 06:09:10,924 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:09:10" (1/1) ... [2018-11-10 06:09:10,924 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:09:10" (1/1) ... [2018-11-10 06:09:10,926 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:09:10" (1/1) ... [2018-11-10 06:09:10,930 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:09:10" (1/1) ... [2018-11-10 06:09:10,931 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:09:10" (1/1) ... [2018-11-10 06:09:10,932 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-10 06:09:10,933 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-10 06:09:10,933 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-10 06:09:10,933 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-10 06:09:10,934 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 10.11 06:09:10" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_0bec22bf-78bb-4327-93d0-b347d5d0bc7e/bin-2019/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-10 06:09:11,009 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-10 06:09:11,009 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-10 06:09:11,009 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_assert [2018-11-10 06:09:11,009 INFO L138 BoogieDeclarations]: Found implementation of procedure __VERIFIER_assert [2018-11-10 06:09:11,177 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-10 06:09:11,177 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 06:09:11 BoogieIcfgContainer [2018-11-10 06:09:11,177 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-10 06:09:11,178 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-10 06:09:11,178 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-10 06:09:11,186 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-10 06:09:11,187 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 06:09:11" (1/1) ... [2018-11-10 06:09:11,195 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-10 06:09:11,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 06:09:11,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 83 states to 49 states and 83 transitions. [2018-11-10 06:09:11,232 INFO L276 IsEmpty]: Start isEmpty. Operand 49 states and 83 transitions. [2018-11-10 06:09:11,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 13 [2018-11-10 06:09:11,233 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 06:09:11,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 06:09:11,349 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 06:09:11,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 06:09:11,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 102 states to 51 states and 101 transitions. [2018-11-10 06:09:11,462 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 101 transitions. [2018-11-10 06:09:11,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 18 [2018-11-10 06:09:11,466 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 06:09:11,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 06:09:11,577 INFO L134 CoverageAnalysis]: Checked inductivity of 2 backedges. 1 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-10 06:09:11,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 06:09:11,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 103 states to 51 states and 99 transitions. [2018-11-10 06:09:11,946 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 99 transitions. [2018-11-10 06:09:11,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 25 [2018-11-10 06:09:11,946 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 06:09:11,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 06:09:11,971 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 3 proven. 4 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-11-10 06:09:12,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 06:09:12,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 108 states to 51 states and 98 transitions. [2018-11-10 06:09:12,043 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 98 transitions. [2018-11-10 06:09:12,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 30 [2018-11-10 06:09:12,043 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 06:09:12,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 06:09:12,073 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 4 proven. 8 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-11-10 06:09:12,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 06:09:12,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 111 states to 51 states and 97 transitions. [2018-11-10 06:09:12,099 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 97 transitions. [2018-11-10 06:09:12,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 36 [2018-11-10 06:09:12,100 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 06:09:12,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 06:09:12,120 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-11-10 06:09:12,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 06:09:12,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 110 states to 51 states and 96 transitions. [2018-11-10 06:09:12,127 INFO L276 IsEmpty]: Start isEmpty. Operand 51 states and 96 transitions. [2018-11-10 06:09:12,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 37 [2018-11-10 06:09:12,128 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 06:09:12,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 06:09:12,164 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 9 proven. 11 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-11-10 06:09:12,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 06:09:12,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 116 states to 54 states and 100 transitions. [2018-11-10 06:09:12,200 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 100 transitions. [2018-11-10 06:09:12,200 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-11-10 06:09:12,201 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 06:09:12,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 06:09:12,242 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 9 proven. 11 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-11-10 06:09:12,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 06:09:12,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 55 states and 101 transitions. [2018-11-10 06:09:12,257 INFO L276 IsEmpty]: Start isEmpty. Operand 55 states and 101 transitions. [2018-11-10 06:09:12,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 38 [2018-11-10 06:09:12,258 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 06:09:12,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 06:09:12,285 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 9 proven. 11 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-11-10 06:09:12,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 06:09:12,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 117 states to 56 states and 101 transitions. [2018-11-10 06:09:12,316 INFO L276 IsEmpty]: Start isEmpty. Operand 56 states and 101 transitions. [2018-11-10 06:09:12,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 42 [2018-11-10 06:09:12,317 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 06:09:12,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 06:09:12,362 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 18 proven. 4 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2018-11-10 06:09:12,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 06:09:12,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 124 states to 60 states and 108 transitions. [2018-11-10 06:09:12,463 INFO L276 IsEmpty]: Start isEmpty. Operand 60 states and 108 transitions. [2018-11-10 06:09:12,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-11-10 06:09:12,464 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 06:09:12,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 06:09:12,484 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 18 proven. 4 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2018-11-10 06:09:12,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 06:09:12,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 125 states to 61 states and 109 transitions. [2018-11-10 06:09:12,496 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 109 transitions. [2018-11-10 06:09:12,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 43 [2018-11-10 06:09:12,496 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 06:09:12,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 06:09:12,512 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 18 proven. 4 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2018-11-10 06:09:12,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 06:09:12,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 127 states to 63 states and 111 transitions. [2018-11-10 06:09:12,551 INFO L276 IsEmpty]: Start isEmpty. Operand 63 states and 111 transitions. [2018-11-10 06:09:12,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 48 [2018-11-10 06:09:12,552 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 06:09:12,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 06:09:12,594 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2018-11-10 06:09:12,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 06:09:12,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 132 states to 66 states and 116 transitions. [2018-11-10 06:09:12,739 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 116 transitions. [2018-11-10 06:09:12,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 49 [2018-11-10 06:09:12,739 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 06:09:12,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 06:09:12,801 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 13 proven. 23 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2018-11-10 06:09:12,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 06:09:12,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 133 states to 66 states and 114 transitions. [2018-11-10 06:09:12,902 INFO L276 IsEmpty]: Start isEmpty. Operand 66 states and 114 transitions. [2018-11-10 06:09:12,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 52 [2018-11-10 06:09:12,903 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 06:09:12,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 06:09:12,949 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 13 proven. 24 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2018-11-10 06:09:13,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 06:09:13,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 136 states to 61 states and 107 transitions. [2018-11-10 06:09:13,055 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 107 transitions. [2018-11-10 06:09:13,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 54 [2018-11-10 06:09:13,055 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 06:09:13,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 06:09:13,076 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 12 proven. 32 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2018-11-10 06:09:13,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 06:09:13,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 151 states to 69 states and 122 transitions. [2018-11-10 06:09:13,315 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 122 transitions. [2018-11-10 06:09:13,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 56 [2018-11-10 06:09:13,316 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 06:09:13,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 06:09:13,363 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 13 proven. 19 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2018-11-10 06:09:13,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 06:09:13,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 150 states to 69 states and 121 transitions. [2018-11-10 06:09:13,656 INFO L276 IsEmpty]: Start isEmpty. Operand 69 states and 121 transitions. [2018-11-10 06:09:13,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 57 [2018-11-10 06:09:13,657 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 06:09:13,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 06:09:13,718 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 15 proven. 32 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2018-11-10 06:09:13,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 06:09:13,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 155 states to 54 states and 94 transitions. [2018-11-10 06:09:13,820 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 94 transitions. [2018-11-10 06:09:13,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 61 [2018-11-10 06:09:13,821 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 06:09:13,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 06:09:13,865 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 17 proven. 35 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2018-11-10 06:09:13,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 06:09:13,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 160 states to 54 states and 93 transitions. [2018-11-10 06:09:13,943 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 93 transitions. [2018-11-10 06:09:13,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 66 [2018-11-10 06:09:13,944 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 06:09:13,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 06:09:13,964 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 16 proven. 44 refuted. 0 times theorem prover too weak. 102 trivial. 0 not checked. [2018-11-10 06:09:14,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 06:09:14,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 168 states to 54 states and 92 transitions. [2018-11-10 06:09:14,078 INFO L276 IsEmpty]: Start isEmpty. Operand 54 states and 92 transitions. [2018-11-10 06:09:14,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2018-11-10 06:09:14,079 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 06:09:14,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 06:09:14,100 INFO L134 CoverageAnalysis]: Checked inductivity of 200 backedges. 43 proven. 4 refuted. 0 times theorem prover too weak. 153 trivial. 0 not checked. [2018-11-10 06:09:14,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 06:09:14,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 173 states to 57 states and 95 transitions. [2018-11-10 06:09:14,150 INFO L276 IsEmpty]: Start isEmpty. Operand 57 states and 95 transitions. [2018-11-10 06:09:14,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2018-11-10 06:09:14,151 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 06:09:14,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 06:09:14,167 INFO L134 CoverageAnalysis]: Checked inductivity of 242 backedges. 48 proven. 4 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked. [2018-11-10 06:09:14,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 06:09:14,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 179 states to 61 states and 101 transitions. [2018-11-10 06:09:14,203 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 101 transitions. [2018-11-10 06:09:14,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2018-11-10 06:09:14,204 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 06:09:14,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 06:09:14,293 INFO L134 CoverageAnalysis]: Checked inductivity of 288 backedges. 23 proven. 34 refuted. 0 times theorem prover too weak. 231 trivial. 0 not checked. [2018-11-10 06:09:14,568 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 06:09:14,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 185 states to 61 states and 100 transitions. [2018-11-10 06:09:14,568 INFO L276 IsEmpty]: Start isEmpty. Operand 61 states and 100 transitions. [2018-11-10 06:09:14,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2018-11-10 06:09:14,569 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 06:09:14,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 06:09:14,663 INFO L134 CoverageAnalysis]: Checked inductivity of 291 backedges. 25 proven. 62 refuted. 0 times theorem prover too weak. 204 trivial. 0 not checked. [2018-11-10 06:09:15,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 06:09:15,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 200 states to 64 states and 104 transitions. [2018-11-10 06:09:15,229 INFO L276 IsEmpty]: Start isEmpty. Operand 64 states and 104 transitions. [2018-11-10 06:09:15,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2018-11-10 06:09:15,229 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 06:09:15,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 06:09:15,302 INFO L134 CoverageAnalysis]: Checked inductivity of 338 backedges. 25 proven. 37 refuted. 0 times theorem prover too weak. 276 trivial. 0 not checked. [2018-11-10 06:09:16,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 06:09:16,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 72 states and 120 transitions. [2018-11-10 06:09:16,042 INFO L276 IsEmpty]: Start isEmpty. Operand 72 states and 120 transitions. [2018-11-10 06:09:16,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2018-11-10 06:09:16,043 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 06:09:16,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 06:09:16,062 INFO L134 CoverageAnalysis]: Checked inductivity of 342 backedges. 52 proven. 44 refuted. 0 times theorem prover too weak. 246 trivial. 0 not checked. [2018-11-10 06:09:16,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 06:09:16,213 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 73 states and 124 transitions. [2018-11-10 06:09:16,213 INFO L276 IsEmpty]: Start isEmpty. Operand 73 states and 124 transitions. [2018-11-10 06:09:16,214 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2018-11-10 06:09:16,214 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 06:09:16,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 06:09:16,230 INFO L134 CoverageAnalysis]: Checked inductivity of 392 backedges. 51 proven. 16 refuted. 0 times theorem prover too weak. 325 trivial. 0 not checked. [2018-11-10 06:09:16,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 06:09:16,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 232 states to 74 states and 125 transitions. [2018-11-10 06:09:16,484 INFO L276 IsEmpty]: Start isEmpty. Operand 74 states and 125 transitions. [2018-11-10 06:09:16,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2018-11-10 06:09:16,484 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 06:09:16,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 06:09:16,497 INFO L134 CoverageAnalysis]: Checked inductivity of 450 backedges. 52 proven. 56 refuted. 0 times theorem prover too weak. 342 trivial. 0 not checked. [2018-11-10 06:09:16,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 06:09:16,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 241 states to 78 states and 133 transitions. [2018-11-10 06:09:16,747 INFO L276 IsEmpty]: Start isEmpty. Operand 78 states and 133 transitions. [2018-11-10 06:09:16,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2018-11-10 06:09:16,748 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 06:09:16,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 06:09:16,764 INFO L134 CoverageAnalysis]: Checked inductivity of 456 backedges. 29 proven. 43 refuted. 0 times theorem prover too weak. 384 trivial. 0 not checked. [2018-11-10 06:09:16,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 06:09:16,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 79 states and 135 transitions. [2018-11-10 06:09:16,779 INFO L276 IsEmpty]: Start isEmpty. Operand 79 states and 135 transitions. [2018-11-10 06:09:16,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2018-11-10 06:09:16,780 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 06:09:16,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 06:09:16,862 INFO L134 CoverageAnalysis]: Checked inductivity of 515 backedges. 33 proven. 86 refuted. 0 times theorem prover too weak. 396 trivial. 0 not checked. [2018-11-10 06:09:17,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 06:09:17,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 252 states to 81 states and 139 transitions. [2018-11-10 06:09:17,206 INFO L276 IsEmpty]: Start isEmpty. Operand 81 states and 139 transitions. [2018-11-10 06:09:17,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2018-11-10 06:09:17,207 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 06:09:17,214 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 06:09:17,280 INFO L134 CoverageAnalysis]: Checked inductivity of 730 backedges. 80 proven. 68 refuted. 0 times theorem prover too weak. 582 trivial. 0 not checked. [2018-11-10 06:09:17,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 06:09:17,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 271 states to 88 states and 152 transitions. [2018-11-10 06:09:17,850 INFO L276 IsEmpty]: Start isEmpty. Operand 88 states and 152 transitions. [2018-11-10 06:09:17,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2018-11-10 06:09:17,851 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-11-10 06:09:17,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-10 06:09:17,875 INFO L134 CoverageAnalysis]: Checked inductivity of 737 backedges. 95 proven. 56 refuted. 0 times theorem prover too weak. 586 trivial. 0 not checked. [2018-11-10 06:09:17,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-10 06:09:17,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 269 states to 59 states and 98 transitions. [2018-11-10 06:09:17,992 INFO L276 IsEmpty]: Start isEmpty. Operand 59 states and 98 transitions. [2018-11-10 06:09:17,992 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-10 06:09:17,992 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 32 iterations. [2018-11-10 06:09:17,998 INFO L778 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-11-10 06:09:18,211 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-10 06:09:18,213 INFO L582 CodeCheckObserver]: Invariant with dag size 7 [2018-11-10 06:09:18,217 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-10 06:09:18,217 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-11-10 06:09:18,218 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 10.11 06:09:18 ImpRootNode [2018-11-10 06:09:18,218 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-10 06:09:18,218 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-10 06:09:18,218 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-10 06:09:18,218 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-10 06:09:18,218 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 10.11 06:09:11" (3/4) ... [2018-11-10 06:09:18,221 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-10 06:09:18,226 INFO L333 RCFGBacktranslator]: Ignoring RootEdge to procedure __VERIFIER_assert [2018-11-10 06:09:18,229 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2018-11-10 06:09:18,230 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-11-10 06:09:18,230 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-10 06:09:18,271 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_0bec22bf-78bb-4327-93d0-b347d5d0bc7e/bin-2019/ukojak/witness.graphml [2018-11-10 06:09:18,272 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-10 06:09:18,272 INFO L168 Benchmark]: Toolchain (without parser) took 7545.65 ms. Allocated memory was 1.0 GB in the beginning and 1.3 GB in the end (delta: 261.1 MB). Free memory was 960.3 MB in the beginning and 1.2 GB in the end (delta: -269.6 MB). There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 06:09:18,274 INFO L168 Benchmark]: CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 06:09:18,274 INFO L168 Benchmark]: CACSL2BoogieTranslator took 163.21 ms. Allocated memory is still 1.0 GB. Free memory was 960.3 MB in the beginning and 949.5 MB in the end (delta: 10.8 MB). Peak memory consumption was 10.8 MB. Max. memory is 11.5 GB. [2018-11-10 06:09:18,274 INFO L168 Benchmark]: Boogie Procedure Inliner took 25.02 ms. Allocated memory is still 1.0 GB. Free memory was 949.5 MB in the beginning and 946.8 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2018-11-10 06:09:18,274 INFO L168 Benchmark]: Boogie Preprocessor took 15.74 ms. Allocated memory is still 1.0 GB. Free memory is still 946.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-10 06:09:18,274 INFO L168 Benchmark]: RCFGBuilder took 244.68 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 131.1 MB). Free memory was 946.8 MB in the beginning and 1.1 GB in the end (delta: -164.4 MB). Peak memory consumption was 17.6 MB. Max. memory is 11.5 GB. [2018-11-10 06:09:18,275 INFO L168 Benchmark]: CodeCheck took 7039.80 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 130.0 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -126.8 MB). Peak memory consumption was 350.5 MB. Max. memory is 11.5 GB. [2018-11-10 06:09:18,275 INFO L168 Benchmark]: Witness Printer took 53.83 ms. Allocated memory is still 1.3 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 8.1 MB). Peak memory consumption was 8.1 MB. Max. memory is 11.5 GB. [2018-11-10 06:09:18,276 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, 51 locations, 1 error locations. SAFE Result, 6.7s OverallTime, 32 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 201816064 SDtfs, -645840312 SDslu, -1700497268 SDs, 0 SdLazy, 268166716 SolverSat, 1850574804 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 11.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 14540 GetRequests, 14189 SyntacticMatches, 173 SemanticMatches, 178 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 15134 ImplicationChecksByTransitivity, 4.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 1.0s InterpolantComputationTime, 1943 NumberOfCodeBlocks, 1943 NumberOfCodeBlocksAsserted, 31 NumberOfCheckSat, 1912 ConstructedInterpolants, 0 QuantifiedInterpolants, 271156 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 31 InterpolantComputations, 3 PerfectInterpolantSequences, 5318/6095 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: 50]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 32]: Loop Invariant Derived loop invariant: 1 <= urilen || urilen < cp + 1 - InvariantResult [Line: 11]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 10]: 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 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 163.21 ms. Allocated memory is still 1.0 GB. Free memory was 960.3 MB in the beginning and 949.5 MB in the end (delta: 10.8 MB). Peak memory consumption was 10.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 25.02 ms. Allocated memory is still 1.0 GB. Free memory was 949.5 MB in the beginning and 946.8 MB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 15.74 ms. Allocated memory is still 1.0 GB. Free memory is still 946.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 244.68 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 131.1 MB). Free memory was 946.8 MB in the beginning and 1.1 GB in the end (delta: -164.4 MB). Peak memory consumption was 17.6 MB. Max. memory is 11.5 GB. * CodeCheck took 7039.80 ms. Allocated memory was 1.2 GB in the beginning and 1.3 GB in the end (delta: 130.0 MB). Free memory was 1.1 GB in the beginning and 1.2 GB in the end (delta: -126.8 MB). Peak memory consumption was 350.5 MB. Max. memory is 11.5 GB. * Witness Printer took 53.83 ms. Allocated memory is still 1.3 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 8.1 MB). Peak memory consumption was 8.1 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...