./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem02_label14_true-unreach-call_false-termination.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_87c6009a-e4b9-4fb5-a8b7-b62650db76d4/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_87c6009a-e4b9-4fb5-a8b7-b62650db76d4/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_87c6009a-e4b9-4fb5-a8b7-b62650db76d4/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_87c6009a-e4b9-4fb5-a8b7-b62650db76d4/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem02_label14_true-unreach-call_false-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_87c6009a-e4b9-4fb5-a8b7-b62650db76d4/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_87c6009a-e4b9-4fb5-a8b7-b62650db76d4/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 bf623cbfa27d5f25c20ae418fc6508fd949965cd ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-02 00:30:08,205 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-02 00:30:08,206 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-02 00:30:08,212 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-02 00:30:08,213 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-02 00:30:08,213 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-02 00:30:08,214 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-02 00:30:08,215 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-02 00:30:08,216 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-02 00:30:08,216 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-02 00:30:08,216 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-02 00:30:08,217 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-02 00:30:08,217 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-02 00:30:08,218 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-02 00:30:08,218 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-02 00:30:08,219 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-02 00:30:08,219 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-02 00:30:08,220 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-02 00:30:08,222 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-02 00:30:08,222 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-02 00:30:08,223 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-02 00:30:08,224 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-02 00:30:08,225 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-02 00:30:08,225 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-02 00:30:08,225 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-02 00:30:08,226 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-02 00:30:08,226 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-02 00:30:08,227 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-02 00:30:08,227 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-02 00:30:08,228 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-02 00:30:08,228 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-02 00:30:08,228 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-02 00:30:08,228 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-02 00:30:08,228 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-02 00:30:08,229 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-02 00:30:08,229 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-02 00:30:08,230 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_87c6009a-e4b9-4fb5-a8b7-b62650db76d4/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-12-02 00:30:08,238 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-02 00:30:08,238 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-02 00:30:08,239 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-02 00:30:08,239 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-12-02 00:30:08,239 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-02 00:30:08,239 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-02 00:30:08,240 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-02 00:30:08,240 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-02 00:30:08,240 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-02 00:30:08,240 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-02 00:30:08,240 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-02 00:30:08,240 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-02 00:30:08,240 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-02 00:30:08,240 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-02 00:30:08,241 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-02 00:30:08,241 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-02 00:30:08,241 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-02 00:30:08,241 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-02 00:30:08,241 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-12-02 00:30:08,241 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-12-02 00:30:08,241 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-02 00:30:08,241 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-02 00:30:08,242 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-02 00:30:08,242 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-02 00:30:08,242 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-02 00:30:08,242 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-02 00:30:08,242 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-12-02 00:30:08,242 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-02 00:30:08,242 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-02 00:30:08,242 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_87c6009a-e4b9-4fb5-a8b7-b62650db76d4/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 -> bf623cbfa27d5f25c20ae418fc6508fd949965cd [2018-12-02 00:30:08,260 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-02 00:30:08,268 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-02 00:30:08,270 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-02 00:30:08,270 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-02 00:30:08,271 INFO L276 PluginConnector]: CDTParser initialized [2018-12-02 00:30:08,271 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_87c6009a-e4b9-4fb5-a8b7-b62650db76d4/bin-2019/ukojak/../../sv-benchmarks/c/eca-rers2012/Problem02_label14_true-unreach-call_false-termination.c [2018-12-02 00:30:08,309 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_87c6009a-e4b9-4fb5-a8b7-b62650db76d4/bin-2019/ukojak/data/0a097c053/1e839a2cae2149e4ae915010e801d8ac/FLAG656dd4d28 [2018-12-02 00:30:08,659 INFO L307 CDTParser]: Found 1 translation units. [2018-12-02 00:30:08,660 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_87c6009a-e4b9-4fb5-a8b7-b62650db76d4/sv-benchmarks/c/eca-rers2012/Problem02_label14_true-unreach-call_false-termination.c [2018-12-02 00:30:08,668 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_87c6009a-e4b9-4fb5-a8b7-b62650db76d4/bin-2019/ukojak/data/0a097c053/1e839a2cae2149e4ae915010e801d8ac/FLAG656dd4d28 [2018-12-02 00:30:08,678 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_87c6009a-e4b9-4fb5-a8b7-b62650db76d4/bin-2019/ukojak/data/0a097c053/1e839a2cae2149e4ae915010e801d8ac [2018-12-02 00:30:08,680 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-02 00:30:08,681 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-02 00:30:08,681 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-02 00:30:08,681 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-02 00:30:08,683 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-02 00:30:08,684 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 12:30:08" (1/1) ... [2018-12-02 00:30:08,685 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6ba821c7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:30:08, skipping insertion in model container [2018-12-02 00:30:08,685 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 12:30:08" (1/1) ... [2018-12-02 00:30:08,689 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-02 00:30:08,720 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-02 00:30:08,916 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 00:30:08,919 INFO L191 MainTranslator]: Completed pre-run [2018-12-02 00:30:09,004 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 00:30:09,014 INFO L195 MainTranslator]: Completed translation [2018-12-02 00:30:09,014 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:30:09 WrapperNode [2018-12-02 00:30:09,014 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-02 00:30:09,014 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-02 00:30:09,014 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-02 00:30:09,015 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-02 00:30:09,020 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:30:09" (1/1) ... [2018-12-02 00:30:09,028 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:30:09" (1/1) ... [2018-12-02 00:30:09,054 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-02 00:30:09,055 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-02 00:30:09,055 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-02 00:30:09,055 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-02 00:30:09,060 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:30:09" (1/1) ... [2018-12-02 00:30:09,061 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:30:09" (1/1) ... [2018-12-02 00:30:09,063 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:30:09" (1/1) ... [2018-12-02 00:30:09,063 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:30:09" (1/1) ... [2018-12-02 00:30:09,071 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:30:09" (1/1) ... [2018-12-02 00:30:09,076 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:30:09" (1/1) ... [2018-12-02 00:30:09,079 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:30:09" (1/1) ... [2018-12-02 00:30:09,082 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-02 00:30:09,083 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-02 00:30:09,083 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-02 00:30:09,083 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-02 00:30:09,084 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:30:09" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_87c6009a-e4b9-4fb5-a8b7-b62650db76d4/bin-2019/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-02 00:30:09,118 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-02 00:30:09,118 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-02 00:30:10,131 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-02 00:30:10,132 INFO L280 CfgBuilder]: Removed 7 assue(true) statements. [2018-12-02 00:30:10,132 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 12:30:10 BoogieIcfgContainer [2018-12-02 00:30:10,132 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-02 00:30:10,133 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-12-02 00:30:10,133 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-12-02 00:30:10,143 INFO L276 PluginConnector]: CodeCheck initialized [2018-12-02 00:30:10,143 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 12:30:10" (1/1) ... [2018-12-02 00:30:10,153 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 00:30:10,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 00:30:10,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 85 states and 162 transitions. [2018-12-02 00:30:10,188 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 162 transitions. [2018-12-02 00:30:10,191 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2018-12-02 00:30:10,192 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 00:30:10,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 00:30:10,384 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 00:30:10,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 00:30:10,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 241 states to 163 states and 241 transitions. [2018-12-02 00:30:10,708 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 241 transitions. [2018-12-02 00:30:10,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2018-12-02 00:30:10,709 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 00:30:10,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 00:30:10,762 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-02 00:30:10,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 00:30:10,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 164 states and 242 transitions. [2018-12-02 00:30:10,845 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 242 transitions. [2018-12-02 00:30:10,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2018-12-02 00:30:10,846 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 00:30:10,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 00:30:10,885 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 00:30:11,011 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 00:30:11,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 268 states to 181 states and 268 transitions. [2018-12-02 00:30:11,012 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 268 transitions. [2018-12-02 00:30:11,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2018-12-02 00:30:11,013 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 00:30:11,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 00:30:11,069 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 00:30:11,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 00:30:11,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 199 states and 292 transitions. [2018-12-02 00:30:11,377 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 292 transitions. [2018-12-02 00:30:11,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2018-12-02 00:30:11,378 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 00:30:11,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 00:30:11,410 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 00:30:11,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 00:30:11,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 220 states and 320 transitions. [2018-12-02 00:30:11,625 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 320 transitions. [2018-12-02 00:30:11,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2018-12-02 00:30:11,628 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 00:30:11,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 00:30:11,651 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 00:30:11,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 00:30:11,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 325 states to 224 states and 325 transitions. [2018-12-02 00:30:11,799 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 325 transitions. [2018-12-02 00:30:11,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2018-12-02 00:30:11,800 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 00:30:11,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 00:30:11,837 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-02 00:30:12,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 00:30:12,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 345 states to 242 states and 345 transitions. [2018-12-02 00:30:12,180 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 345 transitions. [2018-12-02 00:30:12,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2018-12-02 00:30:12,180 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 00:30:12,186 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 00:30:12,196 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 00:30:12,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 00:30:12,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 349 states to 246 states and 349 transitions. [2018-12-02 00:30:12,219 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states and 349 transitions. [2018-12-02 00:30:12,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2018-12-02 00:30:12,219 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 00:30:12,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 00:30:12,237 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-12-02 00:30:12,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 00:30:12,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 351 states to 247 states and 351 transitions. [2018-12-02 00:30:12,341 INFO L276 IsEmpty]: Start isEmpty. Operand 247 states and 351 transitions. [2018-12-02 00:30:12,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2018-12-02 00:30:12,341 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 00:30:12,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 00:30:12,366 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-12-02 00:30:12,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 00:30:12,454 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 354 states to 250 states and 354 transitions. [2018-12-02 00:30:12,454 INFO L276 IsEmpty]: Start isEmpty. Operand 250 states and 354 transitions. [2018-12-02 00:30:12,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2018-12-02 00:30:12,455 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 00:30:12,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 00:30:12,536 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-02 00:30:12,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 00:30:12,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 437 states to 329 states and 437 transitions. [2018-12-02 00:30:12,828 INFO L276 IsEmpty]: Start isEmpty. Operand 329 states and 437 transitions. [2018-12-02 00:30:12,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2018-12-02 00:30:12,829 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 00:30:12,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 00:30:12,855 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-02 00:30:12,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 00:30:12,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 457 states to 345 states and 457 transitions. [2018-12-02 00:30:12,996 INFO L276 IsEmpty]: Start isEmpty. Operand 345 states and 457 transitions. [2018-12-02 00:30:12,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2018-12-02 00:30:12,997 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 00:30:13,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 00:30:13,019 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-02 00:30:13,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 00:30:13,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 458 states to 347 states and 458 transitions. [2018-12-02 00:30:13,117 INFO L276 IsEmpty]: Start isEmpty. Operand 347 states and 458 transitions. [2018-12-02 00:30:13,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2018-12-02 00:30:13,117 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 00:30:13,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 00:30:13,172 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 00:30:13,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 00:30:13,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 496 states to 377 states and 496 transitions. [2018-12-02 00:30:13,607 INFO L276 IsEmpty]: Start isEmpty. Operand 377 states and 496 transitions. [2018-12-02 00:30:13,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2018-12-02 00:30:13,608 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 00:30:13,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 00:30:13,641 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 00:30:14,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 00:30:14,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 531 states to 407 states and 531 transitions. [2018-12-02 00:30:14,276 INFO L276 IsEmpty]: Start isEmpty. Operand 407 states and 531 transitions. [2018-12-02 00:30:14,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2018-12-02 00:30:14,276 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 00:30:14,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 00:30:14,318 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 00:30:14,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 00:30:14,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 534 states to 410 states and 534 transitions. [2018-12-02 00:30:14,406 INFO L276 IsEmpty]: Start isEmpty. Operand 410 states and 534 transitions. [2018-12-02 00:30:14,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2018-12-02 00:30:14,406 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 00:30:14,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 00:30:14,422 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 47 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 00:30:14,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 00:30:14,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 548 states to 423 states and 548 transitions. [2018-12-02 00:30:14,511 INFO L276 IsEmpty]: Start isEmpty. Operand 423 states and 548 transitions. [2018-12-02 00:30:14,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2018-12-02 00:30:14,512 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 00:30:14,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 00:30:14,534 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 00:30:14,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 00:30:14,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 570 states to 442 states and 570 transitions. [2018-12-02 00:30:14,714 INFO L276 IsEmpty]: Start isEmpty. Operand 442 states and 570 transitions. [2018-12-02 00:30:14,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2018-12-02 00:30:14,714 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 00:30:14,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 00:30:14,740 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 49 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-12-02 00:30:14,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 00:30:14,810 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 573 states to 446 states and 573 transitions. [2018-12-02 00:30:14,810 INFO L276 IsEmpty]: Start isEmpty. Operand 446 states and 573 transitions. [2018-12-02 00:30:14,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2018-12-02 00:30:14,810 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 00:30:14,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 00:30:14,829 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 53 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-02 00:30:14,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 00:30:14,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 577 states to 451 states and 577 transitions. [2018-12-02 00:30:14,849 INFO L276 IsEmpty]: Start isEmpty. Operand 451 states and 577 transitions. [2018-12-02 00:30:14,850 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2018-12-02 00:30:14,850 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 00:30:14,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 00:30:14,949 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 52 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-12-02 00:30:15,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 00:30:15,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 580 states to 453 states and 580 transitions. [2018-12-02 00:30:15,139 INFO L276 IsEmpty]: Start isEmpty. Operand 453 states and 580 transitions. [2018-12-02 00:30:15,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2018-12-02 00:30:15,140 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 00:30:15,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 00:30:15,237 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 66 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-12-02 00:30:15,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 00:30:15,608 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 595 states to 467 states and 595 transitions. [2018-12-02 00:30:15,609 INFO L276 IsEmpty]: Start isEmpty. Operand 467 states and 595 transitions. [2018-12-02 00:30:15,609 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2018-12-02 00:30:15,609 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 00:30:15,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 00:30:15,637 INFO L134 CoverageAnalysis]: Checked inductivity of 89 backedges. 89 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 00:30:15,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 00:30:15,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 600 states to 471 states and 600 transitions. [2018-12-02 00:30:15,771 INFO L276 IsEmpty]: Start isEmpty. Operand 471 states and 600 transitions. [2018-12-02 00:30:15,772 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2018-12-02 00:30:15,772 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 00:30:15,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 00:30:16,024 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 75 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-12-02 00:30:17,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 00:30:17,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 651 states to 511 states and 651 transitions. [2018-12-02 00:30:17,013 INFO L276 IsEmpty]: Start isEmpty. Operand 511 states and 651 transitions. [2018-12-02 00:30:17,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2018-12-02 00:30:17,014 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 00:30:17,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 00:30:17,036 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 64 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2018-12-02 00:30:17,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 00:30:17,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 656 states to 516 states and 656 transitions. [2018-12-02 00:30:17,151 INFO L276 IsEmpty]: Start isEmpty. Operand 516 states and 656 transitions. [2018-12-02 00:30:17,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2018-12-02 00:30:17,152 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 00:30:17,158 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 00:30:17,172 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 65 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 00:30:17,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 00:30:17,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 677 states to 537 states and 677 transitions. [2018-12-02 00:30:17,239 INFO L276 IsEmpty]: Start isEmpty. Operand 537 states and 677 transitions. [2018-12-02 00:30:17,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2018-12-02 00:30:17,240 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 00:30:17,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 00:30:17,258 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 65 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2018-12-02 00:30:17,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 00:30:17,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 678 states to 538 states and 678 transitions. [2018-12-02 00:30:17,268 INFO L276 IsEmpty]: Start isEmpty. Operand 538 states and 678 transitions. [2018-12-02 00:30:17,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2018-12-02 00:30:17,269 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 00:30:17,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 00:30:17,632 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 67 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 00:30:19,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 00:30:19,144 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 743 states to 597 states and 743 transitions. [2018-12-02 00:30:19,144 INFO L276 IsEmpty]: Start isEmpty. Operand 597 states and 743 transitions. [2018-12-02 00:30:19,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2018-12-02 00:30:19,144 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 00:30:19,151 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 00:30:19,184 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 78 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2018-12-02 00:30:19,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 00:30:19,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 765 states to 616 states and 765 transitions. [2018-12-02 00:30:19,608 INFO L276 IsEmpty]: Start isEmpty. Operand 616 states and 765 transitions. [2018-12-02 00:30:19,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2018-12-02 00:30:19,608 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 00:30:19,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 00:30:19,650 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 79 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2018-12-02 00:30:19,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 00:30:19,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 767 states to 617 states and 767 transitions. [2018-12-02 00:30:19,674 INFO L276 IsEmpty]: Start isEmpty. Operand 617 states and 767 transitions. [2018-12-02 00:30:19,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2018-12-02 00:30:19,675 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 00:30:19,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 00:30:19,921 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 76 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 00:30:22,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 00:30:22,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 849 states to 685 states and 849 transitions. [2018-12-02 00:30:22,785 INFO L276 IsEmpty]: Start isEmpty. Operand 685 states and 849 transitions. [2018-12-02 00:30:22,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2018-12-02 00:30:22,786 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 00:30:22,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 00:30:22,835 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 76 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 00:30:23,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 00:30:23,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 852 states to 688 states and 852 transitions. [2018-12-02 00:30:23,055 INFO L276 IsEmpty]: Start isEmpty. Operand 688 states and 852 transitions. [2018-12-02 00:30:23,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2018-12-02 00:30:23,056 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 00:30:23,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 00:30:23,083 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 90 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2018-12-02 00:30:23,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 00:30:23,140 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 869 states to 705 states and 869 transitions. [2018-12-02 00:30:23,140 INFO L276 IsEmpty]: Start isEmpty. Operand 705 states and 869 transitions. [2018-12-02 00:30:23,141 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2018-12-02 00:30:23,141 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 00:30:23,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 00:30:23,179 INFO L134 CoverageAnalysis]: Checked inductivity of 122 backedges. 91 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2018-12-02 00:30:23,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 00:30:23,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 870 states to 707 states and 870 transitions. [2018-12-02 00:30:23,334 INFO L276 IsEmpty]: Start isEmpty. Operand 707 states and 870 transitions. [2018-12-02 00:30:23,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2018-12-02 00:30:23,334 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 00:30:23,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 00:30:23,502 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 84 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 00:30:25,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 00:30:25,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 911 states to 744 states and 911 transitions. [2018-12-02 00:30:25,068 INFO L276 IsEmpty]: Start isEmpty. Operand 744 states and 911 transitions. [2018-12-02 00:30:25,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2018-12-02 00:30:25,069 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 00:30:25,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 00:30:25,147 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 84 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 00:30:25,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 00:30:25,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 929 states to 762 states and 929 transitions. [2018-12-02 00:30:25,533 INFO L276 IsEmpty]: Start isEmpty. Operand 762 states and 929 transitions. [2018-12-02 00:30:25,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2018-12-02 00:30:25,533 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 00:30:25,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 00:30:25,614 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 84 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 00:30:25,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 00:30:25,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 943 states to 776 states and 943 transitions. [2018-12-02 00:30:25,838 INFO L276 IsEmpty]: Start isEmpty. Operand 776 states and 943 transitions. [2018-12-02 00:30:25,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2018-12-02 00:30:25,839 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 00:30:25,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 00:30:25,918 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 84 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 00:30:26,476 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 00:30:26,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 956 states to 789 states and 956 transitions. [2018-12-02 00:30:26,476 INFO L276 IsEmpty]: Start isEmpty. Operand 789 states and 956 transitions. [2018-12-02 00:30:26,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2018-12-02 00:30:26,477 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 00:30:26,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 00:30:26,504 INFO L134 CoverageAnalysis]: Checked inductivity of 107 backedges. 107 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 00:30:26,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 00:30:26,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 971 states to 804 states and 971 transitions. [2018-12-02 00:30:26,875 INFO L276 IsEmpty]: Start isEmpty. Operand 804 states and 971 transitions. [2018-12-02 00:30:26,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2018-12-02 00:30:26,876 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 00:30:26,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 00:30:26,905 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 77 trivial. 0 not checked. [2018-12-02 00:30:26,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 00:30:26,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 972 states to 806 states and 972 transitions. [2018-12-02 00:30:26,983 INFO L276 IsEmpty]: Start isEmpty. Operand 806 states and 972 transitions. [2018-12-02 00:30:26,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2018-12-02 00:30:26,984 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 00:30:26,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 00:30:27,061 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 133 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-12-02 00:30:27,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 00:30:27,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 974 states to 808 states and 974 transitions. [2018-12-02 00:30:27,223 INFO L276 IsEmpty]: Start isEmpty. Operand 808 states and 974 transitions. [2018-12-02 00:30:27,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2018-12-02 00:30:27,224 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 00:30:27,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 00:30:27,255 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 90 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-12-02 00:30:27,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 00:30:27,477 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 981 states to 812 states and 981 transitions. [2018-12-02 00:30:27,478 INFO L276 IsEmpty]: Start isEmpty. Operand 812 states and 981 transitions. [2018-12-02 00:30:27,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2018-12-02 00:30:27,478 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 00:30:27,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 00:30:27,542 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 104 proven. 0 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2018-12-02 00:30:27,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 00:30:27,659 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 983 states to 814 states and 983 transitions. [2018-12-02 00:30:27,660 INFO L276 IsEmpty]: Start isEmpty. Operand 814 states and 983 transitions. [2018-12-02 00:30:27,660 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2018-12-02 00:30:27,660 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 00:30:27,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 00:30:27,713 INFO L134 CoverageAnalysis]: Checked inductivity of 123 backedges. 92 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2018-12-02 00:30:28,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 00:30:28,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1012 states to 841 states and 1012 transitions. [2018-12-02 00:30:28,687 INFO L276 IsEmpty]: Start isEmpty. Operand 841 states and 1012 transitions. [2018-12-02 00:30:28,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2018-12-02 00:30:28,687 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 00:30:28,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 00:30:28,719 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 93 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-12-02 00:30:29,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 00:30:29,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1029 states to 853 states and 1029 transitions. [2018-12-02 00:30:29,127 INFO L276 IsEmpty]: Start isEmpty. Operand 853 states and 1029 transitions. [2018-12-02 00:30:29,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2018-12-02 00:30:29,128 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 00:30:29,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 00:30:29,437 INFO L134 CoverageAnalysis]: Checked inductivity of 183 backedges. 152 proven. 9 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-12-02 00:30:32,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 00:30:32,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1053 states to 872 states and 1053 transitions. [2018-12-02 00:30:32,087 INFO L276 IsEmpty]: Start isEmpty. Operand 872 states and 1053 transitions. [2018-12-02 00:30:32,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2018-12-02 00:30:32,088 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 00:30:32,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 00:30:32,115 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 94 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-12-02 00:30:32,212 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 00:30:32,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1058 states to 876 states and 1058 transitions. [2018-12-02 00:30:32,212 INFO L276 IsEmpty]: Start isEmpty. Operand 876 states and 1058 transitions. [2018-12-02 00:30:32,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2018-12-02 00:30:32,213 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 00:30:32,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 00:30:32,235 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 100 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2018-12-02 00:30:32,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 00:30:32,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1059 states to 878 states and 1059 transitions. [2018-12-02 00:30:32,457 INFO L276 IsEmpty]: Start isEmpty. Operand 878 states and 1059 transitions. [2018-12-02 00:30:32,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2018-12-02 00:30:32,458 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 00:30:32,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 00:30:32,508 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 120 proven. 0 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2018-12-02 00:30:32,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 00:30:32,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1070 states to 890 states and 1070 transitions. [2018-12-02 00:30:32,976 INFO L276 IsEmpty]: Start isEmpty. Operand 890 states and 1070 transitions. [2018-12-02 00:30:32,976 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2018-12-02 00:30:32,976 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 00:30:32,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 00:30:33,004 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 97 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-12-02 00:30:33,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 00:30:33,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1162 states to 969 states and 1162 transitions. [2018-12-02 00:30:33,421 INFO L276 IsEmpty]: Start isEmpty. Operand 969 states and 1162 transitions. [2018-12-02 00:30:33,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2018-12-02 00:30:33,422 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 00:30:33,431 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 00:30:33,465 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 52 proven. 9 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2018-12-02 00:30:33,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 00:30:33,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1173 states to 979 states and 1173 transitions. [2018-12-02 00:30:33,748 INFO L276 IsEmpty]: Start isEmpty. Operand 979 states and 1173 transitions. [2018-12-02 00:30:33,749 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2018-12-02 00:30:33,749 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 00:30:33,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 00:30:33,796 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 52 proven. 9 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2018-12-02 00:30:33,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 00:30:33,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1173 states to 980 states and 1173 transitions. [2018-12-02 00:30:33,949 INFO L276 IsEmpty]: Start isEmpty. Operand 980 states and 1173 transitions. [2018-12-02 00:30:33,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 231 [2018-12-02 00:30:33,949 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 00:30:33,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 00:30:34,064 INFO L134 CoverageAnalysis]: Checked inductivity of 259 backedges. 230 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-12-02 00:30:34,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 00:30:34,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1229 states to 1032 states and 1229 transitions. [2018-12-02 00:30:34,526 INFO L276 IsEmpty]: Start isEmpty. Operand 1032 states and 1229 transitions. [2018-12-02 00:30:34,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2018-12-02 00:30:34,527 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 00:30:34,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 00:30:34,597 INFO L134 CoverageAnalysis]: Checked inductivity of 276 backedges. 162 proven. 0 refuted. 0 times theorem prover too weak. 114 trivial. 0 not checked. [2018-12-02 00:30:35,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 00:30:35,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1260 states to 1062 states and 1260 transitions. [2018-12-02 00:30:35,895 INFO L276 IsEmpty]: Start isEmpty. Operand 1062 states and 1260 transitions. [2018-12-02 00:30:35,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2018-12-02 00:30:35,896 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 00:30:35,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 00:30:35,967 INFO L134 CoverageAnalysis]: Checked inductivity of 276 backedges. 162 proven. 0 refuted. 0 times theorem prover too weak. 114 trivial. 0 not checked. [2018-12-02 00:30:37,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 00:30:37,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1285 states to 1087 states and 1285 transitions. [2018-12-02 00:30:37,124 INFO L276 IsEmpty]: Start isEmpty. Operand 1087 states and 1285 transitions. [2018-12-02 00:30:37,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 233 [2018-12-02 00:30:37,125 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 00:30:37,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 00:30:37,184 INFO L134 CoverageAnalysis]: Checked inductivity of 259 backedges. 163 proven. 0 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2018-12-02 00:30:37,505 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 00:30:37,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1309 states to 1112 states and 1309 transitions. [2018-12-02 00:30:37,506 INFO L276 IsEmpty]: Start isEmpty. Operand 1112 states and 1309 transitions. [2018-12-02 00:30:37,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 233 [2018-12-02 00:30:37,506 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 00:30:37,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 00:30:37,562 INFO L134 CoverageAnalysis]: Checked inductivity of 259 backedges. 163 proven. 0 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2018-12-02 00:30:39,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 00:30:39,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1341 states to 1144 states and 1341 transitions. [2018-12-02 00:30:39,039 INFO L276 IsEmpty]: Start isEmpty. Operand 1144 states and 1341 transitions. [2018-12-02 00:30:39,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 234 [2018-12-02 00:30:39,040 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 00:30:39,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 00:30:39,072 INFO L134 CoverageAnalysis]: Checked inductivity of 272 backedges. 168 proven. 0 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2018-12-02 00:30:39,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 00:30:39,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1342 states to 1146 states and 1342 transitions. [2018-12-02 00:30:39,170 INFO L276 IsEmpty]: Start isEmpty. Operand 1146 states and 1342 transitions. [2018-12-02 00:30:39,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 235 [2018-12-02 00:30:39,171 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 00:30:39,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 00:30:39,204 INFO L134 CoverageAnalysis]: Checked inductivity of 246 backedges. 173 proven. 0 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2018-12-02 00:30:39,238 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 00:30:39,239 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1347 states to 1152 states and 1347 transitions. [2018-12-02 00:30:39,239 INFO L276 IsEmpty]: Start isEmpty. Operand 1152 states and 1347 transitions. [2018-12-02 00:30:39,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 236 [2018-12-02 00:30:39,240 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 00:30:39,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 00:30:39,281 INFO L134 CoverageAnalysis]: Checked inductivity of 292 backedges. 178 proven. 0 refuted. 0 times theorem prover too weak. 114 trivial. 0 not checked. [2018-12-02 00:30:39,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 00:30:39,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1352 states to 1157 states and 1352 transitions. [2018-12-02 00:30:39,489 INFO L276 IsEmpty]: Start isEmpty. Operand 1157 states and 1352 transitions. [2018-12-02 00:30:39,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 236 [2018-12-02 00:30:39,501 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 00:30:39,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 00:30:39,529 INFO L134 CoverageAnalysis]: Checked inductivity of 292 backedges. 178 proven. 0 refuted. 0 times theorem prover too weak. 114 trivial. 0 not checked. [2018-12-02 00:30:40,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 00:30:40,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1377 states to 1182 states and 1377 transitions. [2018-12-02 00:30:40,584 INFO L276 IsEmpty]: Start isEmpty. Operand 1182 states and 1377 transitions. [2018-12-02 00:30:40,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 240 [2018-12-02 00:30:40,586 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 00:30:40,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 00:30:40,773 INFO L134 CoverageAnalysis]: Checked inductivity of 337 backedges. 285 proven. 0 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2018-12-02 00:30:41,639 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 00:30:41,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1415 states to 1216 states and 1415 transitions. [2018-12-02 00:30:41,640 INFO L276 IsEmpty]: Start isEmpty. Operand 1216 states and 1415 transitions. [2018-12-02 00:30:41,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 240 [2018-12-02 00:30:41,641 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 00:30:41,649 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 00:30:41,678 INFO L134 CoverageAnalysis]: Checked inductivity of 337 backedges. 285 proven. 0 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2018-12-02 00:30:41,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 00:30:41,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1416 states to 1218 states and 1416 transitions. [2018-12-02 00:30:41,830 INFO L276 IsEmpty]: Start isEmpty. Operand 1218 states and 1416 transitions. [2018-12-02 00:30:41,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 244 [2018-12-02 00:30:41,831 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 00:30:41,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 00:30:41,862 INFO L134 CoverageAnalysis]: Checked inductivity of 353 backedges. 275 proven. 0 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2018-12-02 00:30:41,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 00:30:41,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1422 states to 1222 states and 1422 transitions. [2018-12-02 00:30:41,997 INFO L276 IsEmpty]: Start isEmpty. Operand 1222 states and 1422 transitions. [2018-12-02 00:30:41,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 244 [2018-12-02 00:30:41,998 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 00:30:42,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 00:30:42,042 INFO L134 CoverageAnalysis]: Checked inductivity of 273 backedges. 191 proven. 1 refuted. 0 times theorem prover too weak. 81 trivial. 0 not checked. [2018-12-02 00:30:42,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 00:30:42,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1449 states to 1245 states and 1449 transitions. [2018-12-02 00:30:42,741 INFO L276 IsEmpty]: Start isEmpty. Operand 1245 states and 1449 transitions. [2018-12-02 00:30:42,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 249 [2018-12-02 00:30:42,741 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 00:30:42,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 00:30:42,798 INFO L134 CoverageAnalysis]: Checked inductivity of 292 backedges. 209 proven. 16 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2018-12-02 00:30:43,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 00:30:43,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1488 states to 1278 states and 1488 transitions. [2018-12-02 00:30:43,588 INFO L276 IsEmpty]: Start isEmpty. Operand 1278 states and 1488 transitions. [2018-12-02 00:30:43,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 249 [2018-12-02 00:30:43,589 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 00:30:43,598 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 00:30:43,653 INFO L134 CoverageAnalysis]: Checked inductivity of 292 backedges. 209 proven. 16 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2018-12-02 00:30:44,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 00:30:44,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1497 states to 1288 states and 1497 transitions. [2018-12-02 00:30:44,174 INFO L276 IsEmpty]: Start isEmpty. Operand 1288 states and 1497 transitions. [2018-12-02 00:30:44,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 253 [2018-12-02 00:30:44,175 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 00:30:44,184 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 00:30:44,211 INFO L134 CoverageAnalysis]: Checked inductivity of 308 backedges. 225 proven. 0 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2018-12-02 00:30:44,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 00:30:44,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1509 states to 1300 states and 1509 transitions. [2018-12-02 00:30:44,265 INFO L276 IsEmpty]: Start isEmpty. Operand 1300 states and 1509 transitions. [2018-12-02 00:30:44,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 253 [2018-12-02 00:30:44,266 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 00:30:44,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 00:30:44,302 INFO L134 CoverageAnalysis]: Checked inductivity of 308 backedges. 225 proven. 0 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2018-12-02 00:30:44,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 00:30:44,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1515 states to 1307 states and 1515 transitions. [2018-12-02 00:30:44,547 INFO L276 IsEmpty]: Start isEmpty. Operand 1307 states and 1515 transitions. [2018-12-02 00:30:44,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 258 [2018-12-02 00:30:44,548 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 00:30:44,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 00:30:44,591 INFO L134 CoverageAnalysis]: Checked inductivity of 351 backedges. 255 proven. 0 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2018-12-02 00:30:44,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 00:30:44,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1526 states to 1313 states and 1526 transitions. [2018-12-02 00:30:44,731 INFO L276 IsEmpty]: Start isEmpty. Operand 1313 states and 1526 transitions. [2018-12-02 00:30:44,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 258 [2018-12-02 00:30:44,732 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 00:30:44,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 00:30:44,765 INFO L134 CoverageAnalysis]: Checked inductivity of 351 backedges. 255 proven. 0 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2018-12-02 00:30:46,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 00:30:46,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1560 states to 1345 states and 1560 transitions. [2018-12-02 00:30:46,048 INFO L276 IsEmpty]: Start isEmpty. Operand 1345 states and 1560 transitions. [2018-12-02 00:30:46,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 258 [2018-12-02 00:30:46,049 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 00:30:46,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 00:30:46,086 INFO L134 CoverageAnalysis]: Checked inductivity of 351 backedges. 255 proven. 0 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2018-12-02 00:30:46,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 00:30:46,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1591 states to 1377 states and 1591 transitions. [2018-12-02 00:30:46,568 INFO L276 IsEmpty]: Start isEmpty. Operand 1377 states and 1591 transitions. [2018-12-02 00:30:46,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 258 [2018-12-02 00:30:46,570 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 00:30:46,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 00:30:46,606 INFO L134 CoverageAnalysis]: Checked inductivity of 351 backedges. 255 proven. 0 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2018-12-02 00:30:46,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 00:30:46,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1594 states to 1379 states and 1594 transitions. [2018-12-02 00:30:46,628 INFO L276 IsEmpty]: Start isEmpty. Operand 1379 states and 1594 transitions. [2018-12-02 00:30:46,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 259 [2018-12-02 00:30:46,629 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 00:30:46,638 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 00:30:46,666 INFO L134 CoverageAnalysis]: Checked inductivity of 352 backedges. 227 proven. 0 refuted. 0 times theorem prover too weak. 125 trivial. 0 not checked. [2018-12-02 00:30:46,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 00:30:46,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1596 states to 1382 states and 1596 transitions. [2018-12-02 00:30:46,689 INFO L276 IsEmpty]: Start isEmpty. Operand 1382 states and 1596 transitions. [2018-12-02 00:30:46,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 259 [2018-12-02 00:30:46,690 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 00:30:46,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 00:30:47,028 INFO L134 CoverageAnalysis]: Checked inductivity of 302 backedges. 272 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-12-02 00:30:50,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 00:30:50,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1775 states to 1549 states and 1775 transitions. [2018-12-02 00:30:50,190 INFO L276 IsEmpty]: Start isEmpty. Operand 1549 states and 1775 transitions. [2018-12-02 00:30:50,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 259 [2018-12-02 00:30:50,192 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 00:30:50,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 00:30:50,251 INFO L134 CoverageAnalysis]: Checked inductivity of 352 backedges. 227 proven. 0 refuted. 0 times theorem prover too weak. 125 trivial. 0 not checked. [2018-12-02 00:30:50,367 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 00:30:50,368 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1776 states to 1551 states and 1776 transitions. [2018-12-02 00:30:50,368 INFO L276 IsEmpty]: Start isEmpty. Operand 1551 states and 1776 transitions. [2018-12-02 00:30:50,369 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 259 [2018-12-02 00:30:50,369 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 00:30:50,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 00:30:50,404 INFO L134 CoverageAnalysis]: Checked inductivity of 352 backedges. 227 proven. 0 refuted. 0 times theorem prover too weak. 125 trivial. 0 not checked. [2018-12-02 00:30:50,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 00:30:50,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1777 states to 1553 states and 1777 transitions. [2018-12-02 00:30:50,522 INFO L276 IsEmpty]: Start isEmpty. Operand 1553 states and 1777 transitions. [2018-12-02 00:30:50,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 263 [2018-12-02 00:30:50,523 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 00:30:50,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 00:30:51,531 INFO L134 CoverageAnalysis]: Checked inductivity of 416 backedges. 303 proven. 61 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2018-12-02 00:30:55,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 00:30:55,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1870 states to 1630 states and 1870 transitions. [2018-12-02 00:30:55,930 INFO L276 IsEmpty]: Start isEmpty. Operand 1630 states and 1870 transitions. [2018-12-02 00:30:55,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 263 [2018-12-02 00:30:55,932 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 00:30:55,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 00:30:56,146 INFO L134 CoverageAnalysis]: Checked inductivity of 416 backedges. 303 proven. 61 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2018-12-02 00:30:56,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 00:30:56,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1874 states to 1634 states and 1874 transitions. [2018-12-02 00:30:56,434 INFO L276 IsEmpty]: Start isEmpty. Operand 1634 states and 1874 transitions. [2018-12-02 00:30:56,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 263 [2018-12-02 00:30:56,435 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 00:30:56,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 00:30:56,626 INFO L134 CoverageAnalysis]: Checked inductivity of 416 backedges. 303 proven. 61 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2018-12-02 00:30:56,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 00:30:56,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1878 states to 1639 states and 1878 transitions. [2018-12-02 00:30:56,909 INFO L276 IsEmpty]: Start isEmpty. Operand 1639 states and 1878 transitions. [2018-12-02 00:30:56,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 275 [2018-12-02 00:30:56,910 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 00:30:56,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 00:30:57,115 INFO L134 CoverageAnalysis]: Checked inductivity of 402 backedges. 313 proven. 0 refuted. 0 times theorem prover too weak. 89 trivial. 0 not checked. [2018-12-02 00:30:58,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 00:30:58,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1934 states to 1691 states and 1934 transitions. [2018-12-02 00:30:58,010 INFO L276 IsEmpty]: Start isEmpty. Operand 1691 states and 1934 transitions. [2018-12-02 00:30:58,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 303 [2018-12-02 00:30:58,012 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 00:30:58,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 00:30:58,228 INFO L134 CoverageAnalysis]: Checked inductivity of 450 backedges. 360 proven. 0 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2018-12-02 00:31:03,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 00:31:03,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2099 states to 1833 states and 2099 transitions. [2018-12-02 00:31:03,018 INFO L276 IsEmpty]: Start isEmpty. Operand 1833 states and 2099 transitions. [2018-12-02 00:31:03,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 303 [2018-12-02 00:31:03,019 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 00:31:03,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 00:31:03,118 INFO L134 CoverageAnalysis]: Checked inductivity of 450 backedges. 360 proven. 0 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2018-12-02 00:31:06,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 00:31:06,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2189 states to 1919 states and 2189 transitions. [2018-12-02 00:31:06,925 INFO L276 IsEmpty]: Start isEmpty. Operand 1919 states and 2189 transitions. [2018-12-02 00:31:06,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 307 [2018-12-02 00:31:06,927 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 00:31:06,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 00:31:07,010 INFO L134 CoverageAnalysis]: Checked inductivity of 466 backedges. 341 proven. 0 refuted. 0 times theorem prover too weak. 125 trivial. 0 not checked. [2018-12-02 00:31:09,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 00:31:09,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2225 states to 1945 states and 2225 transitions. [2018-12-02 00:31:09,047 INFO L276 IsEmpty]: Start isEmpty. Operand 1945 states and 2225 transitions. [2018-12-02 00:31:09,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 308 [2018-12-02 00:31:09,048 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 00:31:09,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 00:31:09,093 INFO L134 CoverageAnalysis]: Checked inductivity of 468 backedges. 291 proven. 0 refuted. 0 times theorem prover too weak. 177 trivial. 0 not checked. [2018-12-02 00:31:09,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 00:31:09,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2227 states to 1948 states and 2227 transitions. [2018-12-02 00:31:09,126 INFO L276 IsEmpty]: Start isEmpty. Operand 1948 states and 2227 transitions. [2018-12-02 00:31:09,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 308 [2018-12-02 00:31:09,127 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 00:31:09,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 00:31:09,173 INFO L134 CoverageAnalysis]: Checked inductivity of 468 backedges. 291 proven. 0 refuted. 0 times theorem prover too weak. 177 trivial. 0 not checked. [2018-12-02 00:31:09,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 00:31:09,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2229 states to 1951 states and 2229 transitions. [2018-12-02 00:31:09,312 INFO L276 IsEmpty]: Start isEmpty. Operand 1951 states and 2229 transitions. [2018-12-02 00:31:09,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 308 [2018-12-02 00:31:09,314 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 00:31:09,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 00:31:09,359 INFO L134 CoverageAnalysis]: Checked inductivity of 468 backedges. 291 proven. 0 refuted. 0 times theorem prover too weak. 177 trivial. 0 not checked. [2018-12-02 00:31:09,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 00:31:09,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2230 states to 1953 states and 2230 transitions. [2018-12-02 00:31:09,545 INFO L276 IsEmpty]: Start isEmpty. Operand 1953 states and 2230 transitions. [2018-12-02 00:31:09,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 318 [2018-12-02 00:31:09,546 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 00:31:09,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 00:31:09,638 INFO L134 CoverageAnalysis]: Checked inductivity of 576 backedges. 414 proven. 0 refuted. 0 times theorem prover too weak. 162 trivial. 0 not checked. [2018-12-02 00:31:10,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 00:31:10,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2254 states to 1974 states and 2254 transitions. [2018-12-02 00:31:10,476 INFO L276 IsEmpty]: Start isEmpty. Operand 1974 states and 2254 transitions. [2018-12-02 00:31:10,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 318 [2018-12-02 00:31:10,477 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 00:31:10,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 00:31:10,546 INFO L134 CoverageAnalysis]: Checked inductivity of 576 backedges. 414 proven. 0 refuted. 0 times theorem prover too weak. 162 trivial. 0 not checked. [2018-12-02 00:31:10,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 00:31:10,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2257 states to 1978 states and 2257 transitions. [2018-12-02 00:31:10,803 INFO L276 IsEmpty]: Start isEmpty. Operand 1978 states and 2257 transitions. [2018-12-02 00:31:10,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 320 [2018-12-02 00:31:10,804 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 00:31:10,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 00:31:11,390 INFO L134 CoverageAnalysis]: Checked inductivity of 582 backedges. 383 proven. 68 refuted. 0 times theorem prover too weak. 131 trivial. 0 not checked. [2018-12-02 00:31:15,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 00:31:15,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2313 states to 2024 states and 2313 transitions. [2018-12-02 00:31:15,351 INFO L276 IsEmpty]: Start isEmpty. Operand 2024 states and 2313 transitions. [2018-12-02 00:31:15,352 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 320 [2018-12-02 00:31:15,353 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 00:31:15,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 00:31:15,575 INFO L134 CoverageAnalysis]: Checked inductivity of 582 backedges. 383 proven. 68 refuted. 0 times theorem prover too weak. 131 trivial. 0 not checked. [2018-12-02 00:31:16,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 00:31:16,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2319 states to 2029 states and 2319 transitions. [2018-12-02 00:31:16,177 INFO L276 IsEmpty]: Start isEmpty. Operand 2029 states and 2319 transitions. [2018-12-02 00:31:16,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 320 [2018-12-02 00:31:16,178 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 00:31:16,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 00:31:16,415 INFO L134 CoverageAnalysis]: Checked inductivity of 582 backedges. 383 proven. 68 refuted. 0 times theorem prover too weak. 131 trivial. 0 not checked. [2018-12-02 00:31:16,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 00:31:16,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2323 states to 2033 states and 2323 transitions. [2018-12-02 00:31:16,804 INFO L276 IsEmpty]: Start isEmpty. Operand 2033 states and 2323 transitions. [2018-12-02 00:31:16,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 322 [2018-12-02 00:31:16,805 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 00:31:16,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 00:31:17,227 INFO L134 CoverageAnalysis]: Checked inductivity of 540 backedges. 474 proven. 8 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2018-12-02 00:31:18,489 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 00:31:18,490 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2027 states to 1770 states and 2027 transitions. [2018-12-02 00:31:18,490 INFO L276 IsEmpty]: Start isEmpty. Operand 1770 states and 2027 transitions. [2018-12-02 00:31:18,491 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-02 00:31:18,491 WARN L428 CodeCheckObserver]: This Program is SAFE, Check terminated with 94 iterations. [2018-12-02 00:31:18,497 INFO L779 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-12-02 00:31:22,881 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-02 00:31:22,882 INFO L583 CodeCheckObserver]: Invariant with dag size 24 [2018-12-02 00:31:22,888 INFO L583 CodeCheckObserver]: Invariant with dag size 24 [2018-12-02 00:31:22,888 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 02.12 12:31:22 ImpRootNode [2018-12-02 00:31:22,888 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-12-02 00:31:22,889 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-02 00:31:22,889 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-02 00:31:22,889 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-02 00:31:22,889 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 12:30:10" (3/4) ... [2018-12-02 00:31:22,891 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-02 00:31:22,903 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 109 nodes and edges [2018-12-02 00:31:22,903 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 18 nodes and edges [2018-12-02 00:31:22,904 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2018-12-02 00:31:22,904 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-02 00:31:22,976 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_87c6009a-e4b9-4fb5-a8b7-b62650db76d4/bin-2019/ukojak/witness.graphml [2018-12-02 00:31:22,976 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-02 00:31:22,977 INFO L168 Benchmark]: Toolchain (without parser) took 74296.67 ms. Allocated memory was 1.0 GB in the beginning and 2.2 GB in the end (delta: 1.2 GB). Free memory was 946.3 MB in the beginning and 1.7 GB in the end (delta: -717.4 MB). Peak memory consumption was 472.7 MB. Max. memory is 11.5 GB. [2018-12-02 00:31:22,978 INFO L168 Benchmark]: CDTParser took 0.10 ms. Allocated memory is still 1.0 GB. Free memory is still 976.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 00:31:22,978 INFO L168 Benchmark]: CACSL2BoogieTranslator took 332.84 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 163.1 MB). Free memory was 946.3 MB in the beginning and 1.1 GB in the end (delta: -200.7 MB). Peak memory consumption was 32.2 MB. Max. memory is 11.5 GB. [2018-12-02 00:31:22,978 INFO L168 Benchmark]: Boogie Procedure Inliner took 40.00 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2018-12-02 00:31:22,978 INFO L168 Benchmark]: Boogie Preprocessor took 28.00 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 00:31:22,979 INFO L168 Benchmark]: RCFGBuilder took 1049.67 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 917.2 MB in the end (delta: 223.2 MB). Peak memory consumption was 223.2 MB. Max. memory is 11.5 GB. [2018-12-02 00:31:22,979 INFO L168 Benchmark]: CodeCheck took 72755.75 ms. Allocated memory was 1.2 GB in the beginning and 2.2 GB in the end (delta: 1.0 GB). Free memory was 917.2 MB in the beginning and 1.7 GB in the end (delta: -746.5 MB). Peak memory consumption was 1.1 GB. Max. memory is 11.5 GB. [2018-12-02 00:31:22,979 INFO L168 Benchmark]: Witness Printer took 87.76 ms. Allocated memory is still 2.2 GB. Free memory is still 1.7 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 00:31:22,980 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, 227 locations, 1 error locations. SAFE Result, 68.3s OverallTime, 94 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1881458696 SDtfs, 846493990 SDslu, 282917944 SDs, 0 SdLazy, -1165997514 SolverSat, 208147384 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 221.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 118626 GetRequests, 116148 SyntacticMatches, 1660 SemanticMatches, 818 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 490403 ImplicationChecksByTransitivity, 56.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.3s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 6.1s InterpolantComputationTime, 18222 NumberOfCodeBlocks, 18222 NumberOfCodeBlocksAsserted, 93 NumberOfCheckSat, 18129 ConstructedInterpolants, 0 QuantifiedInterpolants, 11497747 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 93 InterpolantComputations, 78 PerfectInterpolantSequences, 19238/19697 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: 523]: 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: 600]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 29]: Loop Invariant Derived loop invariant: ((a17 == 8 || (((((a17 == 7 && a19 == 1) && a28 == 7) && a21 == 1) && a25 == 1) && a11 == 1)) || a28 == 10) || (((((a28 == 9 && !(a19 == 1)) && a17 == 7) && a21 == 1) && a25 == 1) && a11 == 1) - InvariantResult [Line: 606]: Loop Invariant Derived loop invariant: ((a17 == 8 || (((((a17 == 7 && a19 == 1) && a28 == 7) && a21 == 1) && a25 == 1) && a11 == 1)) || a28 == 10) || (((((a28 == 9 && !(a19 == 1)) && a17 == 7) && a21 == 1) && a25 == 1) && a11 == 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 976.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 332.84 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 163.1 MB). Free memory was 946.3 MB in the beginning and 1.1 GB in the end (delta: -200.7 MB). Peak memory consumption was 32.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 40.00 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 28.00 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 1049.67 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 917.2 MB in the end (delta: 223.2 MB). Peak memory consumption was 223.2 MB. Max. memory is 11.5 GB. * CodeCheck took 72755.75 ms. Allocated memory was 1.2 GB in the beginning and 2.2 GB in the end (delta: 1.0 GB). Free memory was 917.2 MB in the beginning and 1.7 GB in the end (delta: -746.5 MB). Peak memory consumption was 1.1 GB. Max. memory is 11.5 GB. * Witness Printer took 87.76 ms. Allocated memory is still 2.2 GB. Free memory is still 1.7 GB. There was no memory consumed. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...