./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem02_label32_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_bf9b579b-6c1c-41ac-8832-a21107eedaa6/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_bf9b579b-6c1c-41ac-8832-a21107eedaa6/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_bf9b579b-6c1c-41ac-8832-a21107eedaa6/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_bf9b579b-6c1c-41ac-8832-a21107eedaa6/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem02_label32_true-unreach-call_false-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_bf9b579b-6c1c-41ac-8832-a21107eedaa6/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_bf9b579b-6c1c-41ac-8832-a21107eedaa6/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 3c0664b7713eb65e7600fbc10e17bb0e628a6c66 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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 17:09:24,031 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-02 17:09:24,032 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-02 17:09:24,038 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-02 17:09:24,038 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-02 17:09:24,039 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-02 17:09:24,040 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-02 17:09:24,040 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-02 17:09:24,041 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-02 17:09:24,042 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-02 17:09:24,042 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-02 17:09:24,042 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-02 17:09:24,043 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-02 17:09:24,043 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-02 17:09:24,044 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-02 17:09:24,044 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-02 17:09:24,045 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-02 17:09:24,045 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-02 17:09:24,046 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-02 17:09:24,047 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-02 17:09:24,048 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-02 17:09:24,048 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-02 17:09:24,050 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-02 17:09:24,050 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-02 17:09:24,050 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-02 17:09:24,050 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-02 17:09:24,051 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-02 17:09:24,051 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-02 17:09:24,052 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-02 17:09:24,052 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-02 17:09:24,052 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-02 17:09:24,053 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-02 17:09:24,053 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-02 17:09:24,053 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-02 17:09:24,053 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-02 17:09:24,054 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-02 17:09:24,054 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_bf9b579b-6c1c-41ac-8832-a21107eedaa6/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-12-02 17:09:24,061 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-02 17:09:24,062 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-02 17:09:24,062 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-02 17:09:24,062 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-12-02 17:09:24,062 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-02 17:09:24,063 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-02 17:09:24,063 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-02 17:09:24,063 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-02 17:09:24,063 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-02 17:09:24,063 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-02 17:09:24,063 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-02 17:09:24,063 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-02 17:09:24,063 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-02 17:09:24,063 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-02 17:09:24,063 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-02 17:09:24,063 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-02 17:09:24,063 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-02 17:09:24,064 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-02 17:09:24,064 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-12-02 17:09:24,064 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-12-02 17:09:24,064 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-02 17:09:24,064 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-02 17:09:24,064 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-02 17:09:24,064 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-02 17:09:24,064 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-02 17:09:24,064 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-02 17:09:24,064 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-12-02 17:09:24,064 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-02 17:09:24,065 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-02 17:09:24,065 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_bf9b579b-6c1c-41ac-8832-a21107eedaa6/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 -> 3c0664b7713eb65e7600fbc10e17bb0e628a6c66 [2018-12-02 17:09:24,082 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-02 17:09:24,088 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-02 17:09:24,090 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-02 17:09:24,091 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-02 17:09:24,091 INFO L276 PluginConnector]: CDTParser initialized [2018-12-02 17:09:24,091 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_bf9b579b-6c1c-41ac-8832-a21107eedaa6/bin-2019/ukojak/../../sv-benchmarks/c/eca-rers2012/Problem02_label32_true-unreach-call_false-termination.c [2018-12-02 17:09:24,131 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_bf9b579b-6c1c-41ac-8832-a21107eedaa6/bin-2019/ukojak/data/1f578a81b/695fc340a5244c65a6354fe92eb942d0/FLAGcd1e8c36c [2018-12-02 17:09:24,467 INFO L307 CDTParser]: Found 1 translation units. [2018-12-02 17:09:24,467 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_bf9b579b-6c1c-41ac-8832-a21107eedaa6/sv-benchmarks/c/eca-rers2012/Problem02_label32_true-unreach-call_false-termination.c [2018-12-02 17:09:24,473 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_bf9b579b-6c1c-41ac-8832-a21107eedaa6/bin-2019/ukojak/data/1f578a81b/695fc340a5244c65a6354fe92eb942d0/FLAGcd1e8c36c [2018-12-02 17:09:24,482 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_bf9b579b-6c1c-41ac-8832-a21107eedaa6/bin-2019/ukojak/data/1f578a81b/695fc340a5244c65a6354fe92eb942d0 [2018-12-02 17:09:24,483 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-02 17:09:24,484 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-02 17:09:24,485 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-02 17:09:24,485 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-02 17:09:24,487 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-02 17:09:24,487 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 05:09:24" (1/1) ... [2018-12-02 17:09:24,489 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@a1782ce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:09:24, skipping insertion in model container [2018-12-02 17:09:24,489 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 05:09:24" (1/1) ... [2018-12-02 17:09:24,493 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-02 17:09:24,516 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-02 17:09:24,697 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 17:09:24,700 INFO L191 MainTranslator]: Completed pre-run [2018-12-02 17:09:24,788 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 17:09:24,797 INFO L195 MainTranslator]: Completed translation [2018-12-02 17:09:24,798 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:09:24 WrapperNode [2018-12-02 17:09:24,798 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-02 17:09:24,798 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-02 17:09:24,798 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-02 17:09:24,798 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-02 17:09:24,804 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:09:24" (1/1) ... [2018-12-02 17:09:24,812 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:09:24" (1/1) ... [2018-12-02 17:09:24,838 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-02 17:09:24,838 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-02 17:09:24,838 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-02 17:09:24,838 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-02 17:09:24,845 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:09:24" (1/1) ... [2018-12-02 17:09:24,845 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:09:24" (1/1) ... [2018-12-02 17:09:24,847 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:09:24" (1/1) ... [2018-12-02 17:09:24,847 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:09:24" (1/1) ... [2018-12-02 17:09:24,855 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:09:24" (1/1) ... [2018-12-02 17:09:24,861 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:09:24" (1/1) ... [2018-12-02 17:09:24,864 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:09:24" (1/1) ... [2018-12-02 17:09:24,867 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-02 17:09:24,867 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-02 17:09:24,867 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-02 17:09:24,868 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-02 17:09:24,868 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 05:09:24" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_bf9b579b-6c1c-41ac-8832-a21107eedaa6/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 17:09:24,902 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-02 17:09:24,902 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-02 17:09:25,832 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-02 17:09:25,832 INFO L280 CfgBuilder]: Removed 7 assue(true) statements. [2018-12-02 17:09:25,832 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 05:09:25 BoogieIcfgContainer [2018-12-02 17:09:25,832 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-02 17:09:25,833 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-12-02 17:09:25,833 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-12-02 17:09:25,839 INFO L276 PluginConnector]: CodeCheck initialized [2018-12-02 17:09:25,840 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 05:09:25" (1/1) ... [2018-12-02 17:09:25,847 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 17:09:25,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 17:09:25,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 85 states and 162 transitions. [2018-12-02 17:09:25,873 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 162 transitions. [2018-12-02 17:09:25,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2018-12-02 17:09:25,877 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 17:09:25,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:09:26,085 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 17:09:26,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 17:09:26,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 163 states and 240 transitions. [2018-12-02 17:09:26,406 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 240 transitions. [2018-12-02 17:09:26,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2018-12-02 17:09:26,407 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 17:09:26,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:09:26,491 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 17:09:26,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 17:09:26,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 323 states to 242 states and 323 transitions. [2018-12-02 17:09:26,789 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 323 transitions. [2018-12-02 17:09:26,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2018-12-02 17:09:26,791 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 17:09:26,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:09:26,836 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-12-02 17:09:26,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 17:09:26,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 325 states to 243 states and 325 transitions. [2018-12-02 17:09:26,924 INFO L276 IsEmpty]: Start isEmpty. Operand 243 states and 325 transitions. [2018-12-02 17:09:26,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2018-12-02 17:09:26,925 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 17:09:26,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:09:26,959 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 17:09:27,074 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 17:09:27,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 347 states to 261 states and 347 transitions. [2018-12-02 17:09:27,075 INFO L276 IsEmpty]: Start isEmpty. Operand 261 states and 347 transitions. [2018-12-02 17:09:27,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2018-12-02 17:09:27,077 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 17:09:27,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:09:27,158 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-02 17:09:27,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 17:09:27,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 377 states to 283 states and 377 transitions. [2018-12-02 17:09:27,446 INFO L276 IsEmpty]: Start isEmpty. Operand 283 states and 377 transitions. [2018-12-02 17:09:27,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2018-12-02 17:09:27,449 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 17:09:27,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:09:27,466 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 17:09:27,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 17:09:27,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 380 states to 286 states and 380 transitions. [2018-12-02 17:09:27,520 INFO L276 IsEmpty]: Start isEmpty. Operand 286 states and 380 transitions. [2018-12-02 17:09:27,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2018-12-02 17:09:27,521 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 17:09:27,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:09:27,609 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 17:09:27,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 17:09:27,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 420 states to 317 states and 420 transitions. [2018-12-02 17:09:27,933 INFO L276 IsEmpty]: Start isEmpty. Operand 317 states and 420 transitions. [2018-12-02 17:09:27,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2018-12-02 17:09:27,934 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 17:09:27,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:09:28,033 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 17:09:28,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 17:09:28,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 429 states to 321 states and 429 transitions. [2018-12-02 17:09:28,253 INFO L276 IsEmpty]: Start isEmpty. Operand 321 states and 429 transitions. [2018-12-02 17:09:28,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2018-12-02 17:09:28,254 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 17:09:28,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:09:28,307 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 17:09:28,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 17:09:28,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 433 states to 324 states and 433 transitions. [2018-12-02 17:09:28,380 INFO L276 IsEmpty]: Start isEmpty. Operand 324 states and 433 transitions. [2018-12-02 17:09:28,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2018-12-02 17:09:28,381 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 17:09:28,387 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:09:28,441 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 17:09:28,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 17:09:28,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 437 states to 327 states and 437 transitions. [2018-12-02 17:09:28,510 INFO L276 IsEmpty]: Start isEmpty. Operand 327 states and 437 transitions. [2018-12-02 17:09:28,510 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2018-12-02 17:09:28,510 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 17:09:28,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:09:28,566 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 17:09:28,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 17:09:28,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 459 states to 345 states and 459 transitions. [2018-12-02 17:09:28,791 INFO L276 IsEmpty]: Start isEmpty. Operand 345 states and 459 transitions. [2018-12-02 17:09:28,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2018-12-02 17:09:28,792 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 17:09:28,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:09:28,869 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-02 17:09:29,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 17:09:29,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 488 states to 362 states and 488 transitions. [2018-12-02 17:09:29,175 INFO L276 IsEmpty]: Start isEmpty. Operand 362 states and 488 transitions. [2018-12-02 17:09:29,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2018-12-02 17:09:29,175 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 17:09:29,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:09:29,361 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 45 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 17:09:30,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 17:09:30,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 540 states to 400 states and 540 transitions. [2018-12-02 17:09:30,304 INFO L276 IsEmpty]: Start isEmpty. Operand 400 states and 540 transitions. [2018-12-02 17:09:30,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2018-12-02 17:09:30,305 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 17:09:30,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:09:30,345 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 45 proven. 3 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 17:09:30,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 17:09:30,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 557 states to 416 states and 557 transitions. [2018-12-02 17:09:30,638 INFO L276 IsEmpty]: Start isEmpty. Operand 416 states and 557 transitions. [2018-12-02 17:09:30,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2018-12-02 17:09:30,639 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 17:09:30,644 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:09:30,653 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-02 17:09:30,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 17:09:30,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 565 states to 420 states and 565 transitions. [2018-12-02 17:09:30,866 INFO L276 IsEmpty]: Start isEmpty. Operand 420 states and 565 transitions. [2018-12-02 17:09:30,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2018-12-02 17:09:30,866 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 17:09:30,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:09:30,880 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-02 17:09:30,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 17:09:30,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 568 states to 423 states and 568 transitions. [2018-12-02 17:09:30,996 INFO L276 IsEmpty]: Start isEmpty. Operand 423 states and 568 transitions. [2018-12-02 17:09:30,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2018-12-02 17:09:30,997 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 17:09:31,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:09:31,018 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-02 17:09:31,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 17:09:31,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 571 states to 426 states and 571 transitions. [2018-12-02 17:09:31,123 INFO L276 IsEmpty]: Start isEmpty. Operand 426 states and 571 transitions. [2018-12-02 17:09:31,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2018-12-02 17:09:31,123 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 17:09:31,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:09:31,137 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-02 17:09:31,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 17:09:31,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 576 states to 429 states and 576 transitions. [2018-12-02 17:09:31,245 INFO L276 IsEmpty]: Start isEmpty. Operand 429 states and 576 transitions. [2018-12-02 17:09:31,246 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2018-12-02 17:09:31,246 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 17:09:31,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:09:31,292 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 71 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-02 17:09:31,420 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 17:09:31,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 579 states to 430 states and 579 transitions. [2018-12-02 17:09:31,421 INFO L276 IsEmpty]: Start isEmpty. Operand 430 states and 579 transitions. [2018-12-02 17:09:31,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2018-12-02 17:09:31,421 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 17:09:31,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:09:31,475 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-02 17:09:32,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 17:09:32,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 612 states to 457 states and 612 transitions. [2018-12-02 17:09:32,159 INFO L276 IsEmpty]: Start isEmpty. Operand 457 states and 612 transitions. [2018-12-02 17:09:32,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2018-12-02 17:09:32,160 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 17:09:32,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:09:32,181 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 17:09:32,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 17:09:32,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 649 states to 490 states and 649 transitions. [2018-12-02 17:09:32,480 INFO L276 IsEmpty]: Start isEmpty. Operand 490 states and 649 transitions. [2018-12-02 17:09:32,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2018-12-02 17:09:32,481 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 17:09:32,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:09:32,587 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-02 17:09:33,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 17:09:33,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 679 states to 516 states and 679 transitions. [2018-12-02 17:09:33,530 INFO L276 IsEmpty]: Start isEmpty. Operand 516 states and 679 transitions. [2018-12-02 17:09:33,531 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2018-12-02 17:09:33,531 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 17:09:33,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:09:33,635 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-02 17:09:33,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 17:09:33,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 683 states to 521 states and 683 transitions. [2018-12-02 17:09:33,801 INFO L276 IsEmpty]: Start isEmpty. Operand 521 states and 683 transitions. [2018-12-02 17:09:33,802 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2018-12-02 17:09:33,802 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 17:09:33,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:09:33,916 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-02 17:09:34,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 17:09:34,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 699 states to 536 states and 699 transitions. [2018-12-02 17:09:34,269 INFO L276 IsEmpty]: Start isEmpty. Operand 536 states and 699 transitions. [2018-12-02 17:09:34,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2018-12-02 17:09:34,270 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 17:09:34,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:09:34,289 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 60 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 17:09:34,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 17:09:34,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 709 states to 547 states and 709 transitions. [2018-12-02 17:09:34,392 INFO L276 IsEmpty]: Start isEmpty. Operand 547 states and 709 transitions. [2018-12-02 17:09:34,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2018-12-02 17:09:34,393 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 17:09:34,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:09:34,411 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 60 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 17:09:34,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 17:09:34,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 712 states to 550 states and 712 transitions. [2018-12-02 17:09:34,559 INFO L276 IsEmpty]: Start isEmpty. Operand 550 states and 712 transitions. [2018-12-02 17:09:34,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2018-12-02 17:09:34,560 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 17:09:34,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:09:34,577 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 74 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-02 17:09:34,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 17:09:34,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 728 states to 563 states and 728 transitions. [2018-12-02 17:09:34,808 INFO L276 IsEmpty]: Start isEmpty. Operand 563 states and 728 transitions. [2018-12-02 17:09:34,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2018-12-02 17:09:34,808 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 17:09:34,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:09:34,831 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 68 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 17:09:34,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 17:09:34,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 739 states to 575 states and 739 transitions. [2018-12-02 17:09:34,923 INFO L276 IsEmpty]: Start isEmpty. Operand 575 states and 739 transitions. [2018-12-02 17:09:34,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2018-12-02 17:09:34,924 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 17:09:34,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:09:34,957 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 60 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 17:09:35,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 17:09:35,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 748 states to 584 states and 748 transitions. [2018-12-02 17:09:35,004 INFO L276 IsEmpty]: Start isEmpty. Operand 584 states and 748 transitions. [2018-12-02 17:09:35,005 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2018-12-02 17:09:35,005 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 17:09:35,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:09:35,089 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 90 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 17:09:35,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 17:09:35,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 758 states to 588 states and 758 transitions. [2018-12-02 17:09:35,424 INFO L276 IsEmpty]: Start isEmpty. Operand 588 states and 758 transitions. [2018-12-02 17:09:35,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2018-12-02 17:09:35,425 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 17:09:35,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:09:35,473 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 90 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 17:09:35,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 17:09:35,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 765 states to 591 states and 765 transitions. [2018-12-02 17:09:35,635 INFO L276 IsEmpty]: Start isEmpty. Operand 591 states and 765 transitions. [2018-12-02 17:09:35,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2018-12-02 17:09:35,636 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 17:09:35,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:09:35,685 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 90 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 17:09:35,848 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 17:09:35,849 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 774 states to 594 states and 774 transitions. [2018-12-02 17:09:35,849 INFO L276 IsEmpty]: Start isEmpty. Operand 594 states and 774 transitions. [2018-12-02 17:09:35,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2018-12-02 17:09:35,849 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 17:09:35,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:09:35,900 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 90 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 17:09:36,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 17:09:36,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 779 states to 597 states and 779 transitions. [2018-12-02 17:09:36,056 INFO L276 IsEmpty]: Start isEmpty. Operand 597 states and 779 transitions. [2018-12-02 17:09:36,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2018-12-02 17:09:36,056 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 17:09:36,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:09:36,119 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 98 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-02 17:09:36,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 17:09:36,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 781 states to 598 states and 781 transitions. [2018-12-02 17:09:36,262 INFO L276 IsEmpty]: Start isEmpty. Operand 598 states and 781 transitions. [2018-12-02 17:09:36,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2018-12-02 17:09:36,262 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 17:09:36,267 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:09:36,280 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 64 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2018-12-02 17:09:36,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 17:09:36,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 783 states to 600 states and 783 transitions. [2018-12-02 17:09:36,304 INFO L276 IsEmpty]: Start isEmpty. Operand 600 states and 783 transitions. [2018-12-02 17:09:36,305 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2018-12-02 17:09:36,305 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 17:09:36,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:09:36,339 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 66 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 17:09:36,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 17:09:36,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 789 states to 606 states and 789 transitions. [2018-12-02 17:09:36,377 INFO L276 IsEmpty]: Start isEmpty. Operand 606 states and 789 transitions. [2018-12-02 17:09:36,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2018-12-02 17:09:36,377 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 17:09:36,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:09:36,447 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 72 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 17:09:36,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 17:09:36,848 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 835 states to 649 states and 835 transitions. [2018-12-02 17:09:36,848 INFO L276 IsEmpty]: Start isEmpty. Operand 649 states and 835 transitions. [2018-12-02 17:09:36,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2018-12-02 17:09:36,849 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 17:09:36,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:09:36,962 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 81 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 17:09:38,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 17:09:38,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 882 states to 694 states and 882 transitions. [2018-12-02 17:09:38,252 INFO L276 IsEmpty]: Start isEmpty. Operand 694 states and 882 transitions. [2018-12-02 17:09:38,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2018-12-02 17:09:38,253 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 17:09:38,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:09:38,286 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 126 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-02 17:09:38,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 17:09:38,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 890 states to 698 states and 890 transitions. [2018-12-02 17:09:38,522 INFO L276 IsEmpty]: Start isEmpty. Operand 698 states and 890 transitions. [2018-12-02 17:09:38,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2018-12-02 17:09:38,523 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 17:09:38,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:09:38,540 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 126 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-02 17:09:38,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 17:09:38,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 893 states to 701 states and 893 transitions. [2018-12-02 17:09:38,679 INFO L276 IsEmpty]: Start isEmpty. Operand 701 states and 893 transitions. [2018-12-02 17:09:38,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2018-12-02 17:09:38,679 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 17:09:38,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:09:38,696 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 126 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-02 17:09:38,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 17:09:38,845 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 896 states to 704 states and 896 transitions. [2018-12-02 17:09:38,845 INFO L276 IsEmpty]: Start isEmpty. Operand 704 states and 896 transitions. [2018-12-02 17:09:38,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2018-12-02 17:09:38,846 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 17:09:38,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:09:38,863 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 126 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-02 17:09:39,021 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 17:09:39,022 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 901 states to 707 states and 901 transitions. [2018-12-02 17:09:39,022 INFO L276 IsEmpty]: Start isEmpty. Operand 707 states and 901 transitions. [2018-12-02 17:09:39,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2018-12-02 17:09:39,023 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 17:09:39,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:09:39,040 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 126 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-02 17:09:39,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 17:09:39,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 918 states to 722 states and 918 transitions. [2018-12-02 17:09:39,507 INFO L276 IsEmpty]: Start isEmpty. Operand 722 states and 918 transitions. [2018-12-02 17:09:39,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2018-12-02 17:09:39,507 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 17:09:39,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:09:39,537 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2018-12-02 17:09:39,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 17:09:39,559 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 921 states to 723 states and 921 transitions. [2018-12-02 17:09:39,559 INFO L276 IsEmpty]: Start isEmpty. Operand 723 states and 921 transitions. [2018-12-02 17:09:39,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2018-12-02 17:09:39,559 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 17:09:39,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:09:39,581 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 17:09:39,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 17:09:39,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 977 states to 778 states and 977 transitions. [2018-12-02 17:09:39,875 INFO L276 IsEmpty]: Start isEmpty. Operand 778 states and 977 transitions. [2018-12-02 17:09:39,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2018-12-02 17:09:39,876 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 17:09:39,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:09:39,898 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 110 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 17:09:40,078 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 17:09:40,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 980 states to 781 states and 980 transitions. [2018-12-02 17:09:40,078 INFO L276 IsEmpty]: Start isEmpty. Operand 781 states and 980 transitions. [2018-12-02 17:09:40,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2018-12-02 17:09:40,079 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 17:09:40,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:09:40,100 INFO L134 CoverageAnalysis]: Checked inductivity of 160 backedges. 138 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-12-02 17:09:40,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 17:09:40,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 983 states to 782 states and 983 transitions. [2018-12-02 17:09:40,271 INFO L276 IsEmpty]: Start isEmpty. Operand 782 states and 983 transitions. [2018-12-02 17:09:40,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2018-12-02 17:09:40,271 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 17:09:40,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:09:40,299 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 83 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2018-12-02 17:09:41,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 17:09:41,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1125 states to 893 states and 1125 transitions. [2018-12-02 17:09:41,757 INFO L276 IsEmpty]: Start isEmpty. Operand 893 states and 1125 transitions. [2018-12-02 17:09:41,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2018-12-02 17:09:41,758 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 17:09:41,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:09:41,797 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 85 proven. 8 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2018-12-02 17:09:42,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 17:09:42,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1189 states to 948 states and 1189 transitions. [2018-12-02 17:09:42,544 INFO L276 IsEmpty]: Start isEmpty. Operand 948 states and 1189 transitions. [2018-12-02 17:09:42,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2018-12-02 17:09:42,544 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 17:09:42,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:09:42,580 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 85 proven. 8 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2018-12-02 17:09:42,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 17:09:42,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1201 states to 960 states and 1201 transitions. [2018-12-02 17:09:42,846 INFO L276 IsEmpty]: Start isEmpty. Operand 960 states and 1201 transitions. [2018-12-02 17:09:42,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2018-12-02 17:09:42,847 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 17:09:42,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:09:42,881 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 85 proven. 8 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2018-12-02 17:09:43,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 17:09:43,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1211 states to 971 states and 1211 transitions. [2018-12-02 17:09:43,089 INFO L276 IsEmpty]: Start isEmpty. Operand 971 states and 1211 transitions. [2018-12-02 17:09:43,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2018-12-02 17:09:43,090 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 17:09:43,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:09:43,135 INFO L134 CoverageAnalysis]: Checked inductivity of 107 backedges. 88 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-02 17:09:43,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 17:09:43,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1223 states to 981 states and 1223 transitions. [2018-12-02 17:09:43,576 INFO L276 IsEmpty]: Start isEmpty. Operand 981 states and 1223 transitions. [2018-12-02 17:09:43,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2018-12-02 17:09:43,577 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 17:09:43,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:09:43,643 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 102 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-02 17:09:43,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 17:09:43,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1249 states to 1008 states and 1249 transitions. [2018-12-02 17:09:43,912 INFO L276 IsEmpty]: Start isEmpty. Operand 1008 states and 1249 transitions. [2018-12-02 17:09:43,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2018-12-02 17:09:43,913 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 17:09:43,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:09:43,950 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 93 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-02 17:09:44,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 17:09:44,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1300 states to 1054 states and 1300 transitions. [2018-12-02 17:09:44,905 INFO L276 IsEmpty]: Start isEmpty. Operand 1054 states and 1300 transitions. [2018-12-02 17:09:44,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2018-12-02 17:09:44,906 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 17:09:44,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:09:45,015 INFO L134 CoverageAnalysis]: Checked inductivity of 163 backedges. 144 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-02 17:09:45,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 17:09:45,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1312 states to 1066 states and 1312 transitions. [2018-12-02 17:09:45,511 INFO L276 IsEmpty]: Start isEmpty. Operand 1066 states and 1312 transitions. [2018-12-02 17:09:45,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2018-12-02 17:09:45,512 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 17:09:45,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:09:45,618 INFO L134 CoverageAnalysis]: Checked inductivity of 163 backedges. 144 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-02 17:09:45,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 17:09:45,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1316 states to 1071 states and 1316 transitions. [2018-12-02 17:09:45,832 INFO L276 IsEmpty]: Start isEmpty. Operand 1071 states and 1316 transitions. [2018-12-02 17:09:45,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2018-12-02 17:09:45,833 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 17:09:45,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:09:45,936 INFO L134 CoverageAnalysis]: Checked inductivity of 163 backedges. 144 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-02 17:09:46,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 17:09:46,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1329 states to 1083 states and 1329 transitions. [2018-12-02 17:09:46,318 INFO L276 IsEmpty]: Start isEmpty. Operand 1083 states and 1329 transitions. [2018-12-02 17:09:46,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2018-12-02 17:09:46,320 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 17:09:46,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:09:46,372 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 97 proven. 3 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-12-02 17:09:46,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 17:09:46,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1345 states to 1096 states and 1345 transitions. [2018-12-02 17:09:46,798 INFO L276 IsEmpty]: Start isEmpty. Operand 1096 states and 1345 transitions. [2018-12-02 17:09:46,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2018-12-02 17:09:46,799 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 17:09:46,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:09:46,846 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 103 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-12-02 17:09:48,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 17:09:48,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1407 states to 1154 states and 1407 transitions. [2018-12-02 17:09:48,135 INFO L276 IsEmpty]: Start isEmpty. Operand 1154 states and 1407 transitions. [2018-12-02 17:09:48,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2018-12-02 17:09:48,135 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 17:09:48,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:09:48,214 INFO L134 CoverageAnalysis]: Checked inductivity of 159 backedges. 159 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 17:09:48,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 17:09:48,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1427 states to 1172 states and 1427 transitions. [2018-12-02 17:09:48,622 INFO L276 IsEmpty]: Start isEmpty. Operand 1172 states and 1427 transitions. [2018-12-02 17:09:48,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2018-12-02 17:09:48,623 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 17:09:48,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:09:48,645 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 150 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-02 17:09:48,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 17:09:48,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1430 states to 1175 states and 1430 transitions. [2018-12-02 17:09:48,878 INFO L276 IsEmpty]: Start isEmpty. Operand 1175 states and 1430 transitions. [2018-12-02 17:09:48,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2018-12-02 17:09:48,878 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 17:09:48,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:09:48,900 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 150 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-02 17:09:49,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 17:09:49,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1433 states to 1178 states and 1433 transitions. [2018-12-02 17:09:49,106 INFO L276 IsEmpty]: Start isEmpty. Operand 1178 states and 1433 transitions. [2018-12-02 17:09:49,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2018-12-02 17:09:49,107 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 17:09:49,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:09:49,129 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 150 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-02 17:09:49,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 17:09:49,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1436 states to 1181 states and 1436 transitions. [2018-12-02 17:09:49,300 INFO L276 IsEmpty]: Start isEmpty. Operand 1181 states and 1436 transitions. [2018-12-02 17:09:49,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2018-12-02 17:09:49,301 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 17:09:49,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:09:49,346 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 111 proven. 5 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-12-02 17:09:49,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 17:09:49,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1457 states to 1195 states and 1457 transitions. [2018-12-02 17:09:49,599 INFO L276 IsEmpty]: Start isEmpty. Operand 1195 states and 1457 transitions. [2018-12-02 17:09:49,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2018-12-02 17:09:49,600 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 17:09:49,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:09:49,637 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 111 proven. 5 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-12-02 17:09:49,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 17:09:49,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1469 states to 1208 states and 1469 transitions. [2018-12-02 17:09:49,860 INFO L276 IsEmpty]: Start isEmpty. Operand 1208 states and 1469 transitions. [2018-12-02 17:09:49,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2018-12-02 17:09:49,861 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 17:09:49,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:09:49,902 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 111 proven. 5 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-12-02 17:09:50,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 17:09:50,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1524 states to 1263 states and 1524 transitions. [2018-12-02 17:09:50,258 INFO L276 IsEmpty]: Start isEmpty. Operand 1263 states and 1524 transitions. [2018-12-02 17:09:50,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2018-12-02 17:09:50,260 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 17:09:50,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:09:50,300 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 155 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 17:09:50,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 17:09:50,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1536 states to 1276 states and 1536 transitions. [2018-12-02 17:09:50,430 INFO L276 IsEmpty]: Start isEmpty. Operand 1276 states and 1536 transitions. [2018-12-02 17:09:50,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2018-12-02 17:09:50,431 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 17:09:50,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:09:50,473 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 155 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 17:09:50,696 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 17:09:50,697 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1539 states to 1279 states and 1539 transitions. [2018-12-02 17:09:50,697 INFO L276 IsEmpty]: Start isEmpty. Operand 1279 states and 1539 transitions. [2018-12-02 17:09:50,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2018-12-02 17:09:50,698 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 17:09:50,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:09:50,723 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 155 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 17:09:50,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 17:09:50,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1551 states to 1292 states and 1551 transitions. [2018-12-02 17:09:50,837 INFO L276 IsEmpty]: Start isEmpty. Operand 1292 states and 1551 transitions. [2018-12-02 17:09:50,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2018-12-02 17:09:50,838 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 17:09:50,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:09:50,873 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 52 proven. 0 refuted. 0 times theorem prover too weak. 87 trivial. 0 not checked. [2018-12-02 17:09:50,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 17:09:50,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1551 states to 1293 states and 1551 transitions. [2018-12-02 17:09:50,896 INFO L276 IsEmpty]: Start isEmpty. Operand 1293 states and 1551 transitions. [2018-12-02 17:09:50,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2018-12-02 17:09:50,896 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 17:09:50,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:09:50,921 INFO L134 CoverageAnalysis]: Checked inductivity of 142 backedges. 139 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-02 17:09:51,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 17:09:51,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1557 states to 1299 states and 1557 transitions. [2018-12-02 17:09:51,033 INFO L276 IsEmpty]: Start isEmpty. Operand 1299 states and 1557 transitions. [2018-12-02 17:09:51,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2018-12-02 17:09:51,034 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 17:09:51,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:09:51,064 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 122 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-02 17:09:51,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 17:09:51,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1562 states to 1305 states and 1562 transitions. [2018-12-02 17:09:51,180 INFO L276 IsEmpty]: Start isEmpty. Operand 1305 states and 1562 transitions. [2018-12-02 17:09:51,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2018-12-02 17:09:51,181 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 17:09:51,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:09:51,205 INFO L134 CoverageAnalysis]: Checked inductivity of 179 backedges. 110 proven. 0 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2018-12-02 17:09:51,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 17:09:51,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1565 states to 1307 states and 1565 transitions. [2018-12-02 17:09:51,439 INFO L276 IsEmpty]: Start isEmpty. Operand 1307 states and 1565 transitions. [2018-12-02 17:09:51,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2018-12-02 17:09:51,440 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 17:09:51,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:09:51,542 INFO L134 CoverageAnalysis]: Checked inductivity of 195 backedges. 126 proven. 0 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2018-12-02 17:09:52,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 17:09:52,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1594 states to 1336 states and 1594 transitions. [2018-12-02 17:09:52,645 INFO L276 IsEmpty]: Start isEmpty. Operand 1336 states and 1594 transitions. [2018-12-02 17:09:52,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2018-12-02 17:09:52,646 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 17:09:52,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:09:52,701 INFO L134 CoverageAnalysis]: Checked inductivity of 184 backedges. 133 proven. 8 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2018-12-02 17:09:52,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 17:09:52,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1610 states to 1351 states and 1610 transitions. [2018-12-02 17:09:52,751 INFO L276 IsEmpty]: Start isEmpty. Operand 1351 states and 1610 transitions. [2018-12-02 17:09:52,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2018-12-02 17:09:52,752 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 17:09:52,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:09:52,851 INFO L134 CoverageAnalysis]: Checked inductivity of 198 backedges. 129 proven. 0 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2018-12-02 17:09:52,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 17:09:52,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1610 states to 1352 states and 1610 transitions. [2018-12-02 17:09:52,891 INFO L276 IsEmpty]: Start isEmpty. Operand 1352 states and 1610 transitions. [2018-12-02 17:09:52,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2018-12-02 17:09:52,892 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 17:09:52,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:09:52,917 INFO L134 CoverageAnalysis]: Checked inductivity of 211 backedges. 142 proven. 0 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2018-12-02 17:09:53,114 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 17:09:53,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1639 states to 1381 states and 1639 transitions. [2018-12-02 17:09:53,115 INFO L276 IsEmpty]: Start isEmpty. Operand 1381 states and 1639 transitions. [2018-12-02 17:09:53,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2018-12-02 17:09:53,117 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 17:09:53,128 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:09:53,172 INFO L134 CoverageAnalysis]: Checked inductivity of 165 backedges. 119 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2018-12-02 17:09:53,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 17:09:53,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1721 states to 1460 states and 1721 transitions. [2018-12-02 17:09:53,635 INFO L276 IsEmpty]: Start isEmpty. Operand 1460 states and 1721 transitions. [2018-12-02 17:09:53,636 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2018-12-02 17:09:53,636 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 17:09:53,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:09:53,661 INFO L134 CoverageAnalysis]: Checked inductivity of 214 backedges. 145 proven. 0 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2018-12-02 17:09:53,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 17:09:53,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1724 states to 1463 states and 1724 transitions. [2018-12-02 17:09:53,684 INFO L276 IsEmpty]: Start isEmpty. Operand 1463 states and 1724 transitions. [2018-12-02 17:09:53,685 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2018-12-02 17:09:53,685 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 17:09:53,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:09:53,712 INFO L134 CoverageAnalysis]: Checked inductivity of 200 backedges. 178 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-12-02 17:09:54,321 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 17:09:54,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1771 states to 1503 states and 1771 transitions. [2018-12-02 17:09:54,322 INFO L276 IsEmpty]: Start isEmpty. Operand 1503 states and 1771 transitions. [2018-12-02 17:09:54,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2018-12-02 17:09:54,323 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 17:09:54,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:09:54,350 INFO L134 CoverageAnalysis]: Checked inductivity of 200 backedges. 178 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-12-02 17:09:54,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 17:09:54,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1788 states to 1518 states and 1788 transitions. [2018-12-02 17:09:54,793 INFO L276 IsEmpty]: Start isEmpty. Operand 1518 states and 1788 transitions. [2018-12-02 17:09:54,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2018-12-02 17:09:54,794 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 17:09:54,801 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:09:54,820 INFO L134 CoverageAnalysis]: Checked inductivity of 200 backedges. 178 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-12-02 17:09:55,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 17:09:55,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1798 states to 1529 states and 1798 transitions. [2018-12-02 17:09:55,032 INFO L276 IsEmpty]: Start isEmpty. Operand 1529 states and 1798 transitions. [2018-12-02 17:09:55,033 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2018-12-02 17:09:55,033 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 17:09:55,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:09:55,078 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 142 proven. 5 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2018-12-02 17:09:55,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 17:09:55,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1801 states to 1532 states and 1801 transitions. [2018-12-02 17:09:55,282 INFO L276 IsEmpty]: Start isEmpty. Operand 1532 states and 1801 transitions. [2018-12-02 17:09:55,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2018-12-02 17:09:55,283 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 17:09:55,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:09:55,325 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 142 proven. 5 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2018-12-02 17:09:55,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 17:09:55,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1804 states to 1535 states and 1804 transitions. [2018-12-02 17:09:55,513 INFO L276 IsEmpty]: Start isEmpty. Operand 1535 states and 1804 transitions. [2018-12-02 17:09:55,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2018-12-02 17:09:55,514 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 17:09:55,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:09:55,550 INFO L134 CoverageAnalysis]: Checked inductivity of 203 backedges. 176 proven. 4 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-12-02 17:09:55,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 17:09:55,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1811 states to 1539 states and 1811 transitions. [2018-12-02 17:09:55,811 INFO L276 IsEmpty]: Start isEmpty. Operand 1539 states and 1811 transitions. [2018-12-02 17:09:55,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2018-12-02 17:09:55,812 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 17:09:55,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:09:55,932 INFO L134 CoverageAnalysis]: Checked inductivity of 255 backedges. 181 proven. 0 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2018-12-02 17:09:56,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 17:09:56,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1824 states to 1545 states and 1824 transitions. [2018-12-02 17:09:56,242 INFO L276 IsEmpty]: Start isEmpty. Operand 1545 states and 1824 transitions. [2018-12-02 17:09:56,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2018-12-02 17:09:56,243 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 17:09:56,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:09:56,289 INFO L134 CoverageAnalysis]: Checked inductivity of 181 backedges. 130 proven. 3 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2018-12-02 17:09:56,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 17:09:56,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1836 states to 1558 states and 1836 transitions. [2018-12-02 17:09:56,424 INFO L276 IsEmpty]: Start isEmpty. Operand 1558 states and 1836 transitions. [2018-12-02 17:09:56,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2018-12-02 17:09:56,425 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 17:09:56,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:09:56,484 INFO L134 CoverageAnalysis]: Checked inductivity of 181 backedges. 130 proven. 3 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2018-12-02 17:09:56,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 17:09:56,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1847 states to 1570 states and 1847 transitions. [2018-12-02 17:09:56,631 INFO L276 IsEmpty]: Start isEmpty. Operand 1570 states and 1847 transitions. [2018-12-02 17:09:56,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2018-12-02 17:09:56,632 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 17:09:56,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:09:56,678 INFO L134 CoverageAnalysis]: Checked inductivity of 181 backedges. 130 proven. 3 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2018-12-02 17:09:56,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 17:09:56,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1850 states to 1573 states and 1850 transitions. [2018-12-02 17:09:56,912 INFO L276 IsEmpty]: Start isEmpty. Operand 1573 states and 1850 transitions. [2018-12-02 17:09:56,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2018-12-02 17:09:56,913 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 17:09:56,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:09:57,080 INFO L134 CoverageAnalysis]: Checked inductivity of 208 backedges. 185 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-12-02 17:09:59,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 17:09:59,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1939 states to 1655 states and 1939 transitions. [2018-12-02 17:09:59,307 INFO L276 IsEmpty]: Start isEmpty. Operand 1655 states and 1939 transitions. [2018-12-02 17:09:59,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2018-12-02 17:09:59,308 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 17:09:59,317 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:09:59,380 INFO L134 CoverageAnalysis]: Checked inductivity of 208 backedges. 185 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-12-02 17:10:00,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 17:10:00,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1962 states to 1679 states and 1962 transitions. [2018-12-02 17:10:00,420 INFO L276 IsEmpty]: Start isEmpty. Operand 1679 states and 1962 transitions. [2018-12-02 17:10:00,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2018-12-02 17:10:00,422 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 17:10:00,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:10:00,588 INFO L134 CoverageAnalysis]: Checked inductivity of 209 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 209 trivial. 0 not checked. [2018-12-02 17:10:02,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 17:10:02,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2146 states to 1855 states and 2146 transitions. [2018-12-02 17:10:02,338 INFO L276 IsEmpty]: Start isEmpty. Operand 1855 states and 2146 transitions. [2018-12-02 17:10:02,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 237 [2018-12-02 17:10:02,339 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 17:10:02,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:10:02,392 INFO L134 CoverageAnalysis]: Checked inductivity of 252 backedges. 177 proven. 15 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2018-12-02 17:10:04,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 17:10:04,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2185 states to 1887 states and 2185 transitions. [2018-12-02 17:10:04,304 INFO L276 IsEmpty]: Start isEmpty. Operand 1887 states and 2185 transitions. [2018-12-02 17:10:04,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 237 [2018-12-02 17:10:04,306 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 17:10:04,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:10:04,347 INFO L134 CoverageAnalysis]: Checked inductivity of 252 backedges. 177 proven. 15 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2018-12-02 17:10:04,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 17:10:04,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2188 states to 1890 states and 2188 transitions. [2018-12-02 17:10:04,612 INFO L276 IsEmpty]: Start isEmpty. Operand 1890 states and 2188 transitions. [2018-12-02 17:10:04,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 237 [2018-12-02 17:10:04,613 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 17:10:04,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:10:04,647 INFO L134 CoverageAnalysis]: Checked inductivity of 252 backedges. 177 proven. 15 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2018-12-02 17:10:04,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 17:10:04,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2191 states to 1893 states and 2191 transitions. [2018-12-02 17:10:04,875 INFO L276 IsEmpty]: Start isEmpty. Operand 1893 states and 2191 transitions. [2018-12-02 17:10:04,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 237 [2018-12-02 17:10:04,876 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 17:10:04,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:10:04,911 INFO L134 CoverageAnalysis]: Checked inductivity of 252 backedges. 177 proven. 15 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2018-12-02 17:10:05,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 17:10:05,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2194 states to 1896 states and 2194 transitions. [2018-12-02 17:10:05,168 INFO L276 IsEmpty]: Start isEmpty. Operand 1896 states and 2194 transitions. [2018-12-02 17:10:05,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 238 [2018-12-02 17:10:05,169 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 17:10:05,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:10:07,039 INFO L134 CoverageAnalysis]: Checked inductivity of 329 backedges. 249 proven. 28 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2018-12-02 17:10:10,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 17:10:10,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2279 states to 1968 states and 2279 transitions. [2018-12-02 17:10:10,549 INFO L276 IsEmpty]: Start isEmpty. Operand 1968 states and 2279 transitions. [2018-12-02 17:10:10,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 240 [2018-12-02 17:10:10,550 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 17:10:10,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:10:10,633 INFO L134 CoverageAnalysis]: Checked inductivity of 269 backedges. 209 proven. 4 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2018-12-02 17:10:10,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 17:10:10,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2279 states to 1969 states and 2279 transitions. [2018-12-02 17:10:10,866 INFO L276 IsEmpty]: Start isEmpty. Operand 1969 states and 2279 transitions. [2018-12-02 17:10:10,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 240 [2018-12-02 17:10:10,867 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 17:10:10,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:10:11,018 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 17:10:11,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 17:10:11,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2288 states to 1976 states and 2288 transitions. [2018-12-02 17:10:11,472 INFO L276 IsEmpty]: Start isEmpty. Operand 1976 states and 2288 transitions. [2018-12-02 17:10:11,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 245 [2018-12-02 17:10:11,473 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 17:10:11,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:10:11,591 INFO L134 CoverageAnalysis]: Checked inductivity of 357 backedges. 263 proven. 42 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2018-12-02 17:10:12,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 17:10:12,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2301 states to 1986 states and 2301 transitions. [2018-12-02 17:10:12,164 INFO L276 IsEmpty]: Start isEmpty. Operand 1986 states and 2301 transitions. [2018-12-02 17:10:12,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 246 [2018-12-02 17:10:12,165 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 17:10:12,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:10:12,200 INFO L134 CoverageAnalysis]: Checked inductivity of 302 backedges. 246 proven. 0 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2018-12-02 17:10:12,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 17:10:12,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2314 states to 1998 states and 2314 transitions. [2018-12-02 17:10:12,612 INFO L276 IsEmpty]: Start isEmpty. Operand 1998 states and 2314 transitions. [2018-12-02 17:10:12,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 246 [2018-12-02 17:10:12,614 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 17:10:12,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:10:12,666 INFO L134 CoverageAnalysis]: Checked inductivity of 278 backedges. 135 proven. 0 refuted. 0 times theorem prover too weak. 143 trivial. 0 not checked. [2018-12-02 17:10:12,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 17:10:12,709 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2314 states to 1999 states and 2314 transitions. [2018-12-02 17:10:12,709 INFO L276 IsEmpty]: Start isEmpty. Operand 1999 states and 2314 transitions. [2018-12-02 17:10:12,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 249 [2018-12-02 17:10:12,711 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 17:10:12,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:10:12,863 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 17:10:15,262 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 17:10:15,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2348 states to 2025 states and 2348 transitions. [2018-12-02 17:10:15,263 INFO L276 IsEmpty]: Start isEmpty. Operand 2025 states and 2348 transitions. [2018-12-02 17:10:15,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 249 [2018-12-02 17:10:15,264 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 17:10:15,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:10:15,394 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 17:10:16,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 17:10:16,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2357 states to 2033 states and 2357 transitions. [2018-12-02 17:10:16,096 INFO L276 IsEmpty]: Start isEmpty. Operand 2033 states and 2357 transitions. [2018-12-02 17:10:16,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 249 [2018-12-02 17:10:16,098 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 17:10:16,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:10:16,223 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 17:10:16,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 17:10:16,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2360 states to 2036 states and 2360 transitions. [2018-12-02 17:10:16,739 INFO L276 IsEmpty]: Start isEmpty. Operand 2036 states and 2360 transitions. [2018-12-02 17:10:16,740 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 249 [2018-12-02 17:10:16,740 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 17:10:16,751 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:10:16,886 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 17:10:17,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 17:10:17,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2363 states to 2039 states and 2363 transitions. [2018-12-02 17:10:17,170 INFO L276 IsEmpty]: Start isEmpty. Operand 2039 states and 2363 transitions. [2018-12-02 17:10:17,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 251 [2018-12-02 17:10:17,171 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 17:10:17,180 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:10:17,221 INFO L134 CoverageAnalysis]: Checked inductivity of 307 backedges. 210 proven. 10 refuted. 0 times theorem prover too weak. 87 trivial. 0 not checked. [2018-12-02 17:10:18,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 17:10:18,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2369 states to 2043 states and 2369 transitions. [2018-12-02 17:10:18,226 INFO L276 IsEmpty]: Start isEmpty. Operand 2043 states and 2369 transitions. [2018-12-02 17:10:18,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 251 [2018-12-02 17:10:18,228 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 17:10:18,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:10:18,285 INFO L134 CoverageAnalysis]: Checked inductivity of 307 backedges. 210 proven. 10 refuted. 0 times theorem prover too weak. 87 trivial. 0 not checked. [2018-12-02 17:10:18,564 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 17:10:18,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2372 states to 2046 states and 2372 transitions. [2018-12-02 17:10:18,565 INFO L276 IsEmpty]: Start isEmpty. Operand 2046 states and 2372 transitions. [2018-12-02 17:10:18,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 251 [2018-12-02 17:10:18,566 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 17:10:18,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:10:18,620 INFO L134 CoverageAnalysis]: Checked inductivity of 307 backedges. 210 proven. 10 refuted. 0 times theorem prover too weak. 87 trivial. 0 not checked. [2018-12-02 17:10:18,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 17:10:18,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2376 states to 2050 states and 2376 transitions. [2018-12-02 17:10:18,892 INFO L276 IsEmpty]: Start isEmpty. Operand 2050 states and 2376 transitions. [2018-12-02 17:10:18,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 251 [2018-12-02 17:10:18,893 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 17:10:18,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:10:18,971 INFO L134 CoverageAnalysis]: Checked inductivity of 313 backedges. 261 proven. 0 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2018-12-02 17:10:19,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 17:10:19,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2410 states to 2085 states and 2410 transitions. [2018-12-02 17:10:19,292 INFO L276 IsEmpty]: Start isEmpty. Operand 2085 states and 2410 transitions. [2018-12-02 17:10:19,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 253 [2018-12-02 17:10:19,294 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 17:10:19,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:10:19,337 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 17:10:19,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 17:10:19,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2427 states to 2102 states and 2427 transitions. [2018-12-02 17:10:19,402 INFO L276 IsEmpty]: Start isEmpty. Operand 2102 states and 2427 transitions. [2018-12-02 17:10:19,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 255 [2018-12-02 17:10:19,403 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 17:10:19,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:10:20,268 INFO L134 CoverageAnalysis]: Checked inductivity of 310 backedges. 238 proven. 0 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2018-12-02 17:10:23,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 17:10:23,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2469 states to 2138 states and 2469 transitions. [2018-12-02 17:10:23,160 INFO L276 IsEmpty]: Start isEmpty. Operand 2138 states and 2469 transitions. [2018-12-02 17:10:23,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 256 [2018-12-02 17:10:23,161 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 17:10:23,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:10:23,213 INFO L134 CoverageAnalysis]: Checked inductivity of 318 backedges. 220 proven. 5 refuted. 0 times theorem prover too weak. 93 trivial. 0 not checked. [2018-12-02 17:10:24,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 17:10:24,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2539 states to 2207 states and 2539 transitions. [2018-12-02 17:10:24,784 INFO L276 IsEmpty]: Start isEmpty. Operand 2207 states and 2539 transitions. [2018-12-02 17:10:24,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 256 [2018-12-02 17:10:24,786 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 17:10:24,795 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:10:24,846 INFO L134 CoverageAnalysis]: Checked inductivity of 318 backedges. 220 proven. 5 refuted. 0 times theorem prover too weak. 93 trivial. 0 not checked. [2018-12-02 17:10:25,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 17:10:25,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2544 states to 2213 states and 2544 transitions. [2018-12-02 17:10:25,028 INFO L276 IsEmpty]: Start isEmpty. Operand 2213 states and 2544 transitions. [2018-12-02 17:10:25,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 257 [2018-12-02 17:10:25,029 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 17:10:25,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:10:25,064 INFO L134 CoverageAnalysis]: Checked inductivity of 330 backedges. 278 proven. 0 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2018-12-02 17:10:25,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 17:10:25,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2604 states to 2274 states and 2604 transitions. [2018-12-02 17:10:25,884 INFO L276 IsEmpty]: Start isEmpty. Operand 2274 states and 2604 transitions. [2018-12-02 17:10:25,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 260 [2018-12-02 17:10:25,886 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 17:10:25,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:10:28,644 INFO L134 CoverageAnalysis]: Checked inductivity of 321 backedges. 265 proven. 0 refuted. 0 times theorem prover too weak. 56 trivial. 0 not checked. [2018-12-02 17:10:30,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 17:10:30,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2611 states to 2278 states and 2611 transitions. [2018-12-02 17:10:30,221 INFO L276 IsEmpty]: Start isEmpty. Operand 2278 states and 2611 transitions. [2018-12-02 17:10:30,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 262 [2018-12-02 17:10:30,222 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 17:10:30,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:10:31,149 INFO L134 CoverageAnalysis]: Checked inductivity of 335 backedges. 276 proven. 0 refuted. 0 times theorem prover too weak. 59 trivial. 0 not checked. [2018-12-02 17:10:34,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 17:10:34,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2654 states to 2317 states and 2654 transitions. [2018-12-02 17:10:34,507 INFO L276 IsEmpty]: Start isEmpty. Operand 2317 states and 2654 transitions. [2018-12-02 17:10:34,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 262 [2018-12-02 17:10:34,508 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 17:10:34,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:10:34,627 INFO L134 CoverageAnalysis]: Checked inductivity of 335 backedges. 276 proven. 0 refuted. 0 times theorem prover too weak. 59 trivial. 0 not checked. [2018-12-02 17:10:36,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 17:10:36,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2685 states to 2348 states and 2685 transitions. [2018-12-02 17:10:36,689 INFO L276 IsEmpty]: Start isEmpty. Operand 2348 states and 2685 transitions. [2018-12-02 17:10:36,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 263 [2018-12-02 17:10:36,690 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 17:10:36,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:10:37,537 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 17:10:39,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 17:10:39,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2727 states to 2387 states and 2727 transitions. [2018-12-02 17:10:39,634 INFO L276 IsEmpty]: Start isEmpty. Operand 2387 states and 2727 transitions. [2018-12-02 17:10:39,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 266 [2018-12-02 17:10:39,635 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 17:10:39,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:10:39,754 INFO L134 CoverageAnalysis]: Checked inductivity of 338 backedges. 276 proven. 0 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2018-12-02 17:10:40,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 17:10:40,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2728 states to 2389 states and 2728 transitions. [2018-12-02 17:10:40,016 INFO L276 IsEmpty]: Start isEmpty. Operand 2389 states and 2728 transitions. [2018-12-02 17:10:40,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 266 [2018-12-02 17:10:40,017 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 17:10:40,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:10:40,355 INFO L134 CoverageAnalysis]: Checked inductivity of 425 backedges. 305 proven. 68 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2018-12-02 17:10:40,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 17:10:40,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2749 states to 2410 states and 2749 transitions. [2018-12-02 17:10:40,680 INFO L276 IsEmpty]: Start isEmpty. Operand 2410 states and 2749 transitions. [2018-12-02 17:10:40,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 275 [2018-12-02 17:10:40,681 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 17:10:40,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:10:40,737 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 17:10:40,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 17:10:40,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2760 states to 2422 states and 2760 transitions. [2018-12-02 17:10:40,909 INFO L276 IsEmpty]: Start isEmpty. Operand 2422 states and 2760 transitions. [2018-12-02 17:10:40,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 275 [2018-12-02 17:10:40,911 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 17:10:40,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:10:40,970 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 17:10:41,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 17:10:41,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2772 states to 2435 states and 2772 transitions. [2018-12-02 17:10:41,159 INFO L276 IsEmpty]: Start isEmpty. Operand 2435 states and 2772 transitions. [2018-12-02 17:10:41,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 275 [2018-12-02 17:10:41,160 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 17:10:41,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:10:41,217 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 17:10:41,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 17:10:41,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2784 states to 2448 states and 2784 transitions. [2018-12-02 17:10:41,750 INFO L276 IsEmpty]: Start isEmpty. Operand 2448 states and 2784 transitions. [2018-12-02 17:10:41,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 275 [2018-12-02 17:10:41,752 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 17:10:41,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:10:41,823 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 17:10:42,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 17:10:42,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2796 states to 2461 states and 2796 transitions. [2018-12-02 17:10:42,127 INFO L276 IsEmpty]: Start isEmpty. Operand 2461 states and 2796 transitions. [2018-12-02 17:10:42,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 281 [2018-12-02 17:10:42,128 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 17:10:42,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:10:43,328 INFO L134 CoverageAnalysis]: Checked inductivity of 363 backedges. 312 proven. 0 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2018-12-02 17:10:49,743 WARN L180 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 34 [2018-12-02 17:10:51,566 WARN L180 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 34 [2018-12-02 17:10:53,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 17:10:53,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2893 states to 2556 states and 2893 transitions. [2018-12-02 17:10:53,306 INFO L276 IsEmpty]: Start isEmpty. Operand 2556 states and 2893 transitions. [2018-12-02 17:10:53,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 287 [2018-12-02 17:10:53,307 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 17:10:53,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:10:53,386 INFO L134 CoverageAnalysis]: Checked inductivity of 397 backedges. 204 proven. 15 refuted. 0 times theorem prover too weak. 178 trivial. 0 not checked. [2018-12-02 17:10:53,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 17:10:53,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2903 states to 2566 states and 2903 transitions. [2018-12-02 17:10:53,629 INFO L276 IsEmpty]: Start isEmpty. Operand 2566 states and 2903 transitions. [2018-12-02 17:10:53,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 293 [2018-12-02 17:10:53,631 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 17:10:53,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:10:53,702 INFO L134 CoverageAnalysis]: Checked inductivity of 391 backedges. 209 proven. 6 refuted. 0 times theorem prover too weak. 176 trivial. 0 not checked. [2018-12-02 17:10:54,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 17:10:54,379 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2914 states to 2575 states and 2914 transitions. [2018-12-02 17:10:54,379 INFO L276 IsEmpty]: Start isEmpty. Operand 2575 states and 2914 transitions. [2018-12-02 17:10:54,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 293 [2018-12-02 17:10:54,380 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 17:10:54,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:10:54,472 INFO L134 CoverageAnalysis]: Checked inductivity of 391 backedges. 209 proven. 6 refuted. 0 times theorem prover too weak. 176 trivial. 0 not checked. [2018-12-02 17:10:54,788 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 17:10:54,789 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2917 states to 2579 states and 2917 transitions. [2018-12-02 17:10:54,789 INFO L276 IsEmpty]: Start isEmpty. Operand 2579 states and 2917 transitions. [2018-12-02 17:10:54,790 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 293 [2018-12-02 17:10:54,790 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 17:10:54,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:10:54,887 INFO L134 CoverageAnalysis]: Checked inductivity of 391 backedges. 209 proven. 6 refuted. 0 times theorem prover too weak. 176 trivial. 0 not checked. [2018-12-02 17:10:55,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 17:10:55,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2922 states to 2585 states and 2922 transitions. [2018-12-02 17:10:55,074 INFO L276 IsEmpty]: Start isEmpty. Operand 2585 states and 2922 transitions. [2018-12-02 17:10:55,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 296 [2018-12-02 17:10:55,075 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 17:10:55,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:10:55,143 INFO L134 CoverageAnalysis]: Checked inductivity of 422 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 421 trivial. 0 not checked. [2018-12-02 17:10:55,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 17:10:55,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2924 states to 2587 states and 2924 transitions. [2018-12-02 17:10:55,568 INFO L276 IsEmpty]: Start isEmpty. Operand 2587 states and 2924 transitions. [2018-12-02 17:10:55,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 296 [2018-12-02 17:10:55,569 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 17:10:55,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:10:55,637 INFO L134 CoverageAnalysis]: Checked inductivity of 422 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 421 trivial. 0 not checked. [2018-12-02 17:10:56,529 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 17:10:56,530 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2987 states to 2651 states and 2987 transitions. [2018-12-02 17:10:56,531 INFO L276 IsEmpty]: Start isEmpty. Operand 2651 states and 2987 transitions. [2018-12-02 17:10:56,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 298 [2018-12-02 17:10:56,532 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 17:10:56,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:10:56,632 INFO L134 CoverageAnalysis]: Checked inductivity of 410 backedges. 192 proven. 0 refuted. 0 times theorem prover too weak. 218 trivial. 0 not checked. [2018-12-02 17:10:58,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 17:10:58,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3016 states to 2679 states and 3016 transitions. [2018-12-02 17:10:58,416 INFO L276 IsEmpty]: Start isEmpty. Operand 2679 states and 3016 transitions. [2018-12-02 17:10:58,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 298 [2018-12-02 17:10:58,417 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 17:10:58,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:10:58,515 INFO L134 CoverageAnalysis]: Checked inductivity of 410 backedges. 192 proven. 0 refuted. 0 times theorem prover too weak. 218 trivial. 0 not checked. [2018-12-02 17:11:00,552 WARN L180 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 27 DAG size of output: 26 [2018-12-02 17:11:01,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 17:11:01,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3049 states to 2712 states and 3049 transitions. [2018-12-02 17:11:01,919 INFO L276 IsEmpty]: Start isEmpty. Operand 2712 states and 3049 transitions. [2018-12-02 17:11:01,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 302 [2018-12-02 17:11:01,921 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 17:11:01,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:11:02,913 INFO L134 CoverageAnalysis]: Checked inductivity of 426 backedges. 238 proven. 0 refuted. 0 times theorem prover too weak. 188 trivial. 0 not checked. [2018-12-02 17:11:04,644 WARN L180 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 35 [2018-12-02 17:11:07,170 WARN L180 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 33 [2018-12-02 17:11:09,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 17:11:09,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3064 states to 2726 states and 3064 transitions. [2018-12-02 17:11:09,592 INFO L276 IsEmpty]: Start isEmpty. Operand 2726 states and 3064 transitions. [2018-12-02 17:11:09,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 302 [2018-12-02 17:11:09,593 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 17:11:09,602 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:11:09,713 INFO L134 CoverageAnalysis]: Checked inductivity of 426 backedges. 238 proven. 0 refuted. 0 times theorem prover too weak. 188 trivial. 0 not checked. [2018-12-02 17:11:10,163 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 17:11:10,164 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3063 states to 2726 states and 3063 transitions. [2018-12-02 17:11:10,164 INFO L276 IsEmpty]: Start isEmpty. Operand 2726 states and 3063 transitions. [2018-12-02 17:11:10,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 323 [2018-12-02 17:11:10,165 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 17:11:10,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:11:11,026 INFO L134 CoverageAnalysis]: Checked inductivity of 510 backedges. 324 proven. 0 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2018-12-02 17:11:13,918 WARN L180 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 40 [2018-12-02 17:11:15,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 17:11:15,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3084 states to 2745 states and 3084 transitions. [2018-12-02 17:11:15,405 INFO L276 IsEmpty]: Start isEmpty. Operand 2745 states and 3084 transitions. [2018-12-02 17:11:15,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 323 [2018-12-02 17:11:15,406 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 17:11:15,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:11:15,541 INFO L134 CoverageAnalysis]: Checked inductivity of 510 backedges. 324 proven. 0 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2018-12-02 17:11:16,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 17:11:16,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3137 states to 2800 states and 3137 transitions. [2018-12-02 17:11:16,824 INFO L276 IsEmpty]: Start isEmpty. Operand 2800 states and 3137 transitions. [2018-12-02 17:11:16,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 335 [2018-12-02 17:11:16,825 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 17:11:16,835 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:11:16,989 INFO L134 CoverageAnalysis]: Checked inductivity of 562 backedges. 341 proven. 0 refuted. 0 times theorem prover too weak. 221 trivial. 0 not checked. [2018-12-02 17:11:17,955 WARN L180 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 28 [2018-12-02 17:11:18,640 WARN L180 SmtUtils]: Spent 323.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 43 [2018-12-02 17:11:21,762 WARN L180 SmtUtils]: Spent 140.00 ms on a formula simplification that was a NOOP. DAG size: 45 [2018-12-02 17:11:22,587 WARN L180 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 44 [2018-12-02 17:11:22,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 17:11:22,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3154 states to 2817 states and 3154 transitions. [2018-12-02 17:11:22,927 INFO L276 IsEmpty]: Start isEmpty. Operand 2817 states and 3154 transitions. [2018-12-02 17:11:22,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 340 [2018-12-02 17:11:22,928 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 17:11:22,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:11:23,128 INFO L134 CoverageAnalysis]: Checked inductivity of 578 backedges. 386 proven. 0 refuted. 0 times theorem prover too weak. 192 trivial. 0 not checked. [2018-12-02 17:11:24,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 17:11:24,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3225 states to 2888 states and 3225 transitions. [2018-12-02 17:11:24,562 INFO L276 IsEmpty]: Start isEmpty. Operand 2888 states and 3225 transitions. [2018-12-02 17:11:24,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 340 [2018-12-02 17:11:24,563 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 17:11:24,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:11:24,735 INFO L134 CoverageAnalysis]: Checked inductivity of 578 backedges. 386 proven. 0 refuted. 0 times theorem prover too weak. 192 trivial. 0 not checked. [2018-12-02 17:11:25,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 17:11:25,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3224 states to 2888 states and 3224 transitions. [2018-12-02 17:11:25,255 INFO L276 IsEmpty]: Start isEmpty. Operand 2888 states and 3224 transitions. [2018-12-02 17:11:25,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 355 [2018-12-02 17:11:25,257 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 17:11:25,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:11:25,687 INFO L134 CoverageAnalysis]: Checked inductivity of 674 backedges. 532 proven. 0 refuted. 0 times theorem prover too weak. 142 trivial. 0 not checked. [2018-12-02 17:11:26,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 17:11:26,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3232 states to 2894 states and 3232 transitions. [2018-12-02 17:11:26,278 INFO L276 IsEmpty]: Start isEmpty. Operand 2894 states and 3232 transitions. [2018-12-02 17:11:26,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 360 [2018-12-02 17:11:26,280 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 17:11:26,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:11:26,569 INFO L134 CoverageAnalysis]: Checked inductivity of 699 backedges. 547 proven. 0 refuted. 0 times theorem prover too weak. 152 trivial. 0 not checked. [2018-12-02 17:11:27,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 17:11:27,063 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3234 states to 2895 states and 3234 transitions. [2018-12-02 17:11:27,063 INFO L276 IsEmpty]: Start isEmpty. Operand 2895 states and 3234 transitions. [2018-12-02 17:11:27,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 362 [2018-12-02 17:11:27,065 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 17:11:27,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:11:27,292 INFO L134 CoverageAnalysis]: Checked inductivity of 729 backedges. 546 proven. 0 refuted. 0 times theorem prover too weak. 183 trivial. 0 not checked. [2018-12-02 17:11:29,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 17:11:29,282 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3280 states to 2938 states and 3280 transitions. [2018-12-02 17:11:29,282 INFO L276 IsEmpty]: Start isEmpty. Operand 2938 states and 3280 transitions. [2018-12-02 17:11:29,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 367 [2018-12-02 17:11:29,283 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 17:11:29,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:11:29,757 INFO L134 CoverageAnalysis]: Checked inductivity of 681 backedges. 487 proven. 0 refuted. 0 times theorem prover too weak. 194 trivial. 0 not checked. [2018-12-02 17:11:31,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 17:11:31,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3334 states to 2989 states and 3334 transitions. [2018-12-02 17:11:31,525 INFO L276 IsEmpty]: Start isEmpty. Operand 2989 states and 3334 transitions. [2018-12-02 17:11:31,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 367 [2018-12-02 17:11:31,526 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 17:11:31,540 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:11:31,683 INFO L134 CoverageAnalysis]: Checked inductivity of 681 backedges. 487 proven. 0 refuted. 0 times theorem prover too weak. 194 trivial. 0 not checked. [2018-12-02 17:11:32,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 17:11:32,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3393 states to 3046 states and 3393 transitions. [2018-12-02 17:11:32,951 INFO L276 IsEmpty]: Start isEmpty. Operand 3046 states and 3393 transitions. [2018-12-02 17:11:32,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 367 [2018-12-02 17:11:32,952 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 17:11:32,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:11:33,108 INFO L134 CoverageAnalysis]: Checked inductivity of 681 backedges. 487 proven. 0 refuted. 0 times theorem prover too weak. 194 trivial. 0 not checked. [2018-12-02 17:11:33,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 17:11:33,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3408 states to 3063 states and 3408 transitions. [2018-12-02 17:11:33,460 INFO L276 IsEmpty]: Start isEmpty. Operand 3063 states and 3408 transitions. [2018-12-02 17:11:33,461 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 373 [2018-12-02 17:11:33,461 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 17:11:33,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:11:33,569 INFO L134 CoverageAnalysis]: Checked inductivity of 681 backedges. 288 proven. 9 refuted. 0 times theorem prover too weak. 384 trivial. 0 not checked. [2018-12-02 17:11:33,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 17:11:33,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3411 states to 3067 states and 3411 transitions. [2018-12-02 17:11:33,796 INFO L276 IsEmpty]: Start isEmpty. Operand 3067 states and 3411 transitions. [2018-12-02 17:11:33,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 373 [2018-12-02 17:11:33,798 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 17:11:33,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:11:33,942 INFO L134 CoverageAnalysis]: Checked inductivity of 681 backedges. 288 proven. 9 refuted. 0 times theorem prover too weak. 384 trivial. 0 not checked. [2018-12-02 17:11:34,555 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 17:11:34,556 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3414 states to 3071 states and 3414 transitions. [2018-12-02 17:11:34,556 INFO L276 IsEmpty]: Start isEmpty. Operand 3071 states and 3414 transitions. [2018-12-02 17:11:34,558 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 390 [2018-12-02 17:11:34,558 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 17:11:34,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:11:35,168 INFO L134 CoverageAnalysis]: Checked inductivity of 939 backedges. 644 proven. 110 refuted. 0 times theorem prover too weak. 185 trivial. 0 not checked. [2018-12-02 17:11:38,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 17:11:38,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3456 states to 3112 states and 3456 transitions. [2018-12-02 17:11:38,956 INFO L276 IsEmpty]: Start isEmpty. Operand 3112 states and 3456 transitions. [2018-12-02 17:11:38,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 400 [2018-12-02 17:11:38,957 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 17:11:38,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:11:39,073 INFO L134 CoverageAnalysis]: Checked inductivity of 823 backedges. 419 proven. 12 refuted. 0 times theorem prover too weak. 392 trivial. 0 not checked. [2018-12-02 17:11:39,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 17:11:39,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3456 states to 3113 states and 3456 transitions. [2018-12-02 17:11:39,300 INFO L276 IsEmpty]: Start isEmpty. Operand 3113 states and 3456 transitions. [2018-12-02 17:11:39,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 400 [2018-12-02 17:11:39,302 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 17:11:39,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:11:39,420 INFO L134 CoverageAnalysis]: Checked inductivity of 823 backedges. 419 proven. 12 refuted. 0 times theorem prover too weak. 392 trivial. 0 not checked. [2018-12-02 17:11:39,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 17:11:39,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3456 states to 3114 states and 3456 transitions. [2018-12-02 17:11:39,866 INFO L276 IsEmpty]: Start isEmpty. Operand 3114 states and 3456 transitions. [2018-12-02 17:11:39,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 412 [2018-12-02 17:11:39,867 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 17:11:39,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 17:11:40,373 INFO L134 CoverageAnalysis]: Checked inductivity of 944 backedges. 329 proven. 370 refuted. 0 times theorem prover too weak. 245 trivial. 0 not checked. [2018-12-02 17:11:40,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 17:11:40,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3091 states to 2782 states and 3091 transitions. [2018-12-02 17:11:40,794 INFO L276 IsEmpty]: Start isEmpty. Operand 2782 states and 3091 transitions. [2018-12-02 17:11:40,795 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-02 17:11:40,795 WARN L428 CodeCheckObserver]: This Program is SAFE, Check terminated with 154 iterations. [2018-12-02 17:11:40,801 INFO L779 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-12-02 17:11:41,284 WARN L180 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 20 [2018-12-02 17:11:41,396 WARN L180 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 20 [2018-12-02 17:11:41,807 WARN L180 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 20 [2018-12-02 17:11:41,910 WARN L180 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 20 [2018-12-02 17:11:42,571 WARN L180 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 20 [2018-12-02 17:11:42,722 WARN L180 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 20 [2018-12-02 17:11:42,825 WARN L180 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 20 [2018-12-02 17:11:43,058 WARN L180 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 20 [2018-12-02 17:11:43,165 WARN L180 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 20 [2018-12-02 17:11:43,827 WARN L180 SmtUtils]: Spent 385.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 57 [2018-12-02 17:11:44,026 WARN L180 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 20 [2018-12-02 17:11:44,225 WARN L180 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 20 [2018-12-02 17:11:44,340 WARN L180 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 20 [2018-12-02 17:11:44,464 WARN L180 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 20 [2018-12-02 17:11:44,567 WARN L180 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 20 [2018-12-02 17:11:44,705 WARN L180 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 20 [2018-12-02 17:11:44,828 WARN L180 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 20 [2018-12-02 17:11:45,069 WARN L180 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 20 [2018-12-02 17:11:45,427 WARN L180 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 20 [2018-12-02 17:11:45,599 WARN L180 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 20 [2018-12-02 17:11:45,712 WARN L180 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 90 DAG size of output: 20 [2018-12-02 17:11:45,828 WARN L180 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 20 [2018-12-02 17:11:45,965 WARN L180 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 20 [2018-12-02 17:11:46,090 WARN L180 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 20 [2018-12-02 17:11:46,337 WARN L180 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 20 [2018-12-02 17:11:46,821 WARN L180 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 20 [2018-12-02 17:11:46,932 WARN L180 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 20 [2018-12-02 17:11:47,111 WARN L180 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 20 [2018-12-02 17:11:47,442 WARN L180 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 20 [2018-12-02 17:11:47,936 WARN L180 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 20 [2018-12-02 17:11:48,055 WARN L180 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 20 [2018-12-02 17:11:48,185 WARN L180 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 20 [2018-12-02 17:11:48,291 WARN L180 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 20 [2018-12-02 17:11:48,416 WARN L180 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 20 [2018-12-02 17:11:48,697 WARN L180 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 97 DAG size of output: 20 [2018-12-02 17:11:48,697 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-02 17:11:48,699 INFO L583 CodeCheckObserver]: Invariant with dag size 20 [2018-12-02 17:11:48,704 INFO L583 CodeCheckObserver]: Invariant with dag size 20 [2018-12-02 17:11:48,705 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 02.12 05:11:48 ImpRootNode [2018-12-02 17:11:48,705 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-12-02 17:11:48,706 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-02 17:11:48,706 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-02 17:11:48,706 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-02 17:11:48,706 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 05:09:25" (3/4) ... [2018-12-02 17:11:48,709 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-02 17:11:48,722 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 109 nodes and edges [2018-12-02 17:11:48,722 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 19 nodes and edges [2018-12-02 17:11:48,723 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2018-12-02 17:11:48,723 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-02 17:11:48,798 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_bf9b579b-6c1c-41ac-8832-a21107eedaa6/bin-2019/ukojak/witness.graphml [2018-12-02 17:11:48,799 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-02 17:11:48,799 INFO L168 Benchmark]: Toolchain (without parser) took 144315.50 ms. Allocated memory was 1.0 GB in the beginning and 2.2 GB in the end (delta: 1.2 GB). Free memory was 951.7 MB in the beginning and 887.8 MB in the end (delta: 63.9 MB). Peak memory consumption was 1.3 GB. Max. memory is 11.5 GB. [2018-12-02 17:11:48,800 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 982.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 17:11:48,800 INFO L168 Benchmark]: CACSL2BoogieTranslator took 313.26 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 98.0 MB). Free memory was 951.7 MB in the beginning and 1.1 GB in the end (delta: -128.3 MB). Peak memory consumption was 38.6 MB. Max. memory is 11.5 GB. [2018-12-02 17:11:48,800 INFO L168 Benchmark]: Boogie Procedure Inliner took 39.58 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 7.2 MB). Peak memory consumption was 7.2 MB. Max. memory is 11.5 GB. [2018-12-02 17:11:48,801 INFO L168 Benchmark]: Boogie Preprocessor took 29.18 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 17:11:48,801 INFO L168 Benchmark]: RCFGBuilder took 965.01 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 846.7 MB in the end (delta: 226.1 MB). Peak memory consumption was 226.1 MB. Max. memory is 11.5 GB. [2018-12-02 17:11:48,801 INFO L168 Benchmark]: CodeCheck took 142872.67 ms. Allocated memory was 1.1 GB in the beginning and 2.2 GB in the end (delta: 1.1 GB). Free memory was 846.7 MB in the beginning and 887.8 MB in the end (delta: -41.2 MB). Peak memory consumption was 1.3 GB. Max. memory is 11.5 GB. [2018-12-02 17:11:48,801 INFO L168 Benchmark]: Witness Printer took 93.10 ms. Allocated memory is still 2.2 GB. Free memory is still 887.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 17:11:48,803 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, 134.9s OverallTime, 154 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1346446368 SDtfs, -1721164176 SDslu, -1593507612 SDs, 0 SdLazy, -1260546590 SolverSat, -1346492438 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 533.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 211849 GetRequests, 207797 SyntacticMatches, 2860 SemanticMatches, 1192 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1108552 ImplicationChecksByTransitivity, 113.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.5s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 16.4s InterpolantComputationTime, 32525 NumberOfCodeBlocks, 32525 NumberOfCodeBlocksAsserted, 153 NumberOfCheckSat, 32372 ConstructedInterpolants, 0 QuantifiedInterpolants, 32261116 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 153 InterpolantComputations, 107 PerfectInterpolantSequences, 36735/37738 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: 499]: 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: ((((a25 == 1 && !(a11 == 1)) || a17 == 8) || (a19 == 1 && !(a11 == 1))) || (a11 == 1 && !(a17 == 9))) || (!(a19 == 1) && a11 == 1) - InvariantResult [Line: 606]: Loop Invariant Derived loop invariant: (((a17 == 8 || (a25 == 1 && !(a11 == 1))) || (a19 == 1 && !(a11 == 1))) || (!(a19 == 1) && a11 == 1)) || (a11 == 1 && !(a17 == 9)) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 982.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 313.26 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 98.0 MB). Free memory was 951.7 MB in the beginning and 1.1 GB in the end (delta: -128.3 MB). Peak memory consumption was 38.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 39.58 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 7.2 MB). Peak memory consumption was 7.2 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 29.18 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 965.01 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 846.7 MB in the end (delta: 226.1 MB). Peak memory consumption was 226.1 MB. Max. memory is 11.5 GB. * CodeCheck took 142872.67 ms. Allocated memory was 1.1 GB in the beginning and 2.2 GB in the end (delta: 1.1 GB). Free memory was 846.7 MB in the beginning and 887.8 MB in the end (delta: -41.2 MB). Peak memory consumption was 1.3 GB. Max. memory is 11.5 GB. * Witness Printer took 93.10 ms. Allocated memory is still 2.2 GB. Free memory is still 887.8 MB. There was no memory consumed. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...