./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem02_label25_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_2b981f11-7b04-4a85-94cf-75592bd75bfe/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_2b981f11-7b04-4a85-94cf-75592bd75bfe/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_2b981f11-7b04-4a85-94cf-75592bd75bfe/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_2b981f11-7b04-4a85-94cf-75592bd75bfe/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem02_label25_true-unreach-call_false-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_2b981f11-7b04-4a85-94cf-75592bd75bfe/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_2b981f11-7b04-4a85-94cf-75592bd75bfe/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 ef22932a563d89d9fa5a5b8bcd7f4a5eeb34d0f3 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-02 00:28:26,769 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-02 00:28:26,770 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-02 00:28:26,776 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-02 00:28:26,776 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-02 00:28:26,776 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-02 00:28:26,777 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-02 00:28:26,778 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-02 00:28:26,779 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-02 00:28:26,779 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-02 00:28:26,780 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-02 00:28:26,780 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-02 00:28:26,780 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-02 00:28:26,781 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-02 00:28:26,781 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-02 00:28:26,782 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-02 00:28:26,782 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-02 00:28:26,783 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-02 00:28:26,784 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-02 00:28:26,785 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-02 00:28:26,785 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-02 00:28:26,786 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-02 00:28:26,787 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-02 00:28:26,787 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-02 00:28:26,787 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-02 00:28:26,788 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-02 00:28:26,788 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-02 00:28:26,789 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-02 00:28:26,789 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-02 00:28:26,790 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-02 00:28:26,790 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-02 00:28:26,790 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-02 00:28:26,790 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-02 00:28:26,790 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-02 00:28:26,791 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-02 00:28:26,791 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-02 00:28:26,791 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_2b981f11-7b04-4a85-94cf-75592bd75bfe/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-12-02 00:28:26,799 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-02 00:28:26,799 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-02 00:28:26,799 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-02 00:28:26,800 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-12-02 00:28:26,800 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-02 00:28:26,800 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-02 00:28:26,800 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-02 00:28:26,800 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-02 00:28:26,800 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-02 00:28:26,800 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-02 00:28:26,801 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-02 00:28:26,801 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-02 00:28:26,801 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-02 00:28:26,801 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-02 00:28:26,801 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-02 00:28:26,801 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-02 00:28:26,801 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-02 00:28:26,801 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-02 00:28:26,801 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-12-02 00:28:26,801 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-12-02 00:28:26,801 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-02 00:28:26,802 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-02 00:28:26,802 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-02 00:28:26,802 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-02 00:28:26,802 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-02 00:28:26,802 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-02 00:28:26,802 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-12-02 00:28:26,802 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-02 00:28:26,802 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-02 00:28:26,802 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_2b981f11-7b04-4a85-94cf-75592bd75bfe/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 -> ef22932a563d89d9fa5a5b8bcd7f4a5eeb34d0f3 [2018-12-02 00:28:26,819 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-02 00:28:26,826 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-02 00:28:26,828 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-02 00:28:26,829 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-02 00:28:26,829 INFO L276 PluginConnector]: CDTParser initialized [2018-12-02 00:28:26,829 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_2b981f11-7b04-4a85-94cf-75592bd75bfe/bin-2019/ukojak/../../sv-benchmarks/c/eca-rers2012/Problem02_label25_true-unreach-call_false-termination.c [2018-12-02 00:28:26,861 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_2b981f11-7b04-4a85-94cf-75592bd75bfe/bin-2019/ukojak/data/57edd3c38/5c9af2cee8324bb1a0a05005855f16b0/FLAG532eb7c0a [2018-12-02 00:28:27,351 INFO L307 CDTParser]: Found 1 translation units. [2018-12-02 00:28:27,351 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_2b981f11-7b04-4a85-94cf-75592bd75bfe/sv-benchmarks/c/eca-rers2012/Problem02_label25_true-unreach-call_false-termination.c [2018-12-02 00:28:27,360 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_2b981f11-7b04-4a85-94cf-75592bd75bfe/bin-2019/ukojak/data/57edd3c38/5c9af2cee8324bb1a0a05005855f16b0/FLAG532eb7c0a [2018-12-02 00:28:27,848 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_2b981f11-7b04-4a85-94cf-75592bd75bfe/bin-2019/ukojak/data/57edd3c38/5c9af2cee8324bb1a0a05005855f16b0 [2018-12-02 00:28:27,849 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-02 00:28:27,850 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-02 00:28:27,851 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-02 00:28:27,851 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-02 00:28:27,853 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-02 00:28:27,853 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 12:28:27" (1/1) ... [2018-12-02 00:28:27,855 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@49e0d67 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:28:27, skipping insertion in model container [2018-12-02 00:28:27,855 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 12:28:27" (1/1) ... [2018-12-02 00:28:27,859 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-02 00:28:27,886 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-02 00:28:28,078 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 00:28:28,082 INFO L191 MainTranslator]: Completed pre-run [2018-12-02 00:28:28,184 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 00:28:28,197 INFO L195 MainTranslator]: Completed translation [2018-12-02 00:28:28,197 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:28:28 WrapperNode [2018-12-02 00:28:28,197 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-02 00:28:28,198 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-02 00:28:28,198 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-02 00:28:28,198 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-02 00:28:28,204 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:28:28" (1/1) ... [2018-12-02 00:28:28,213 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:28:28" (1/1) ... [2018-12-02 00:28:28,240 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-02 00:28:28,241 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-02 00:28:28,241 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-02 00:28:28,241 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-02 00:28:28,248 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:28:28" (1/1) ... [2018-12-02 00:28:28,248 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:28:28" (1/1) ... [2018-12-02 00:28:28,250 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:28:28" (1/1) ... [2018-12-02 00:28:28,251 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:28:28" (1/1) ... [2018-12-02 00:28:28,263 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:28:28" (1/1) ... [2018-12-02 00:28:28,271 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:28:28" (1/1) ... [2018-12-02 00:28:28,275 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:28:28" (1/1) ... [2018-12-02 00:28:28,280 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-02 00:28:28,280 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-02 00:28:28,280 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-02 00:28:28,280 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-02 00:28:28,281 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:28:28" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_2b981f11-7b04-4a85-94cf-75592bd75bfe/bin-2019/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-02 00:28:28,326 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-02 00:28:28,326 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-02 00:28:29,257 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-02 00:28:29,257 INFO L280 CfgBuilder]: Removed 7 assue(true) statements. [2018-12-02 00:28:29,257 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 12:28:29 BoogieIcfgContainer [2018-12-02 00:28:29,257 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-02 00:28:29,258 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-12-02 00:28:29,258 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-12-02 00:28:29,267 INFO L276 PluginConnector]: CodeCheck initialized [2018-12-02 00:28:29,267 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 12:28:29" (1/1) ... [2018-12-02 00:28:29,276 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 00:28:29,295 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 00:28:29,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 85 states and 162 transitions. [2018-12-02 00:28:29,300 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 162 transitions. [2018-12-02 00:28:29,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2018-12-02 00:28:29,302 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 00:28:29,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 00:28:29,510 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 00:28:29,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 00:28:29,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 241 states to 163 states and 241 transitions. [2018-12-02 00:28:29,837 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 241 transitions. [2018-12-02 00:28:29,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2018-12-02 00:28:29,838 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 00:28:29,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 00:28:29,884 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-02 00:28:29,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 00:28:29,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 164 states and 242 transitions. [2018-12-02 00:28:29,977 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 242 transitions. [2018-12-02 00:28:29,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2018-12-02 00:28:29,981 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 00:28:29,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 00:28:30,030 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 00:28:30,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 00:28:30,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 268 states to 181 states and 268 transitions. [2018-12-02 00:28:30,143 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 268 transitions. [2018-12-02 00:28:30,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2018-12-02 00:28:30,144 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 00:28:30,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 00:28:30,204 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 00:28:30,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 00:28:30,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 199 states and 292 transitions. [2018-12-02 00:28:30,478 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 292 transitions. [2018-12-02 00:28:30,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2018-12-02 00:28:30,480 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 00:28:30,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 00:28:30,513 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 00:28:30,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 00:28:30,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 220 states and 320 transitions. [2018-12-02 00:28:30,726 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 320 transitions. [2018-12-02 00:28:30,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2018-12-02 00:28:30,729 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 00:28:30,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 00:28:30,758 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 00:28:30,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 00:28:30,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 325 states to 224 states and 325 transitions. [2018-12-02 00:28:30,929 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 325 transitions. [2018-12-02 00:28:30,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2018-12-02 00:28:30,930 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 00:28:30,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 00:28:30,961 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-02 00:28:31,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 00:28:31,253 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 345 states to 242 states and 345 transitions. [2018-12-02 00:28:31,254 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 345 transitions. [2018-12-02 00:28:31,254 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2018-12-02 00:28:31,254 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 00:28:31,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 00:28:31,272 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 00:28:31,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 00:28:31,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 349 states to 246 states and 349 transitions. [2018-12-02 00:28:31,291 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states and 349 transitions. [2018-12-02 00:28:31,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2018-12-02 00:28:31,291 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 00:28:31,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 00:28:31,308 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-12-02 00:28:31,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 00:28:31,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 351 states to 247 states and 351 transitions. [2018-12-02 00:28:31,408 INFO L276 IsEmpty]: Start isEmpty. Operand 247 states and 351 transitions. [2018-12-02 00:28:31,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2018-12-02 00:28:31,408 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 00:28:31,414 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 00:28:31,424 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-12-02 00:28:31,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 00:28:31,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 354 states to 250 states and 354 transitions. [2018-12-02 00:28:31,508 INFO L276 IsEmpty]: Start isEmpty. Operand 250 states and 354 transitions. [2018-12-02 00:28:31,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2018-12-02 00:28:31,509 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 00:28:31,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 00:28:31,586 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-02 00:28:31,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 00:28:31,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 438 states to 329 states and 438 transitions. [2018-12-02 00:28:31,932 INFO L276 IsEmpty]: Start isEmpty. Operand 329 states and 438 transitions. [2018-12-02 00:28:31,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2018-12-02 00:28:31,934 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 00:28:31,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 00:28:31,962 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-02 00:28:32,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 00:28:32,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 459 states to 347 states and 459 transitions. [2018-12-02 00:28:32,201 INFO L276 IsEmpty]: Start isEmpty. Operand 347 states and 459 transitions. [2018-12-02 00:28:32,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2018-12-02 00:28:32,202 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 00:28:32,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 00:28:32,270 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 00:28:32,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 00:28:32,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 497 states to 377 states and 497 transitions. [2018-12-02 00:28:32,737 INFO L276 IsEmpty]: Start isEmpty. Operand 377 states and 497 transitions. [2018-12-02 00:28:32,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2018-12-02 00:28:32,737 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 00:28:32,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 00:28:32,794 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 00:28:33,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 00:28:33,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 532 states to 407 states and 532 transitions. [2018-12-02 00:28:33,467 INFO L276 IsEmpty]: Start isEmpty. Operand 407 states and 532 transitions. [2018-12-02 00:28:33,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2018-12-02 00:28:33,468 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 00:28:33,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 00:28:33,498 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 00:28:33,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 00:28:33,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 535 states to 410 states and 535 transitions. [2018-12-02 00:28:33,600 INFO L276 IsEmpty]: Start isEmpty. Operand 410 states and 535 transitions. [2018-12-02 00:28:33,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2018-12-02 00:28:33,600 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 00:28:33,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 00:28:33,616 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 47 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 00:28:33,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 00:28:33,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 549 states to 423 states and 549 transitions. [2018-12-02 00:28:33,700 INFO L276 IsEmpty]: Start isEmpty. Operand 423 states and 549 transitions. [2018-12-02 00:28:33,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2018-12-02 00:28:33,701 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 00:28:33,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 00:28:33,717 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 00:28:33,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 00:28:33,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 571 states to 442 states and 571 transitions. [2018-12-02 00:28:33,900 INFO L276 IsEmpty]: Start isEmpty. Operand 442 states and 571 transitions. [2018-12-02 00:28:33,901 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2018-12-02 00:28:33,901 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 00:28:33,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 00:28:33,917 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 49 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-12-02 00:28:33,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 00:28:33,979 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 574 states to 446 states and 574 transitions. [2018-12-02 00:28:33,979 INFO L276 IsEmpty]: Start isEmpty. Operand 446 states and 574 transitions. [2018-12-02 00:28:33,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2018-12-02 00:28:33,980 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 00:28:33,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 00:28:34,004 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 53 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-02 00:28:34,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 00:28:34,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 578 states to 451 states and 578 transitions. [2018-12-02 00:28:34,023 INFO L276 IsEmpty]: Start isEmpty. Operand 451 states and 578 transitions. [2018-12-02 00:28:34,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2018-12-02 00:28:34,024 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 00:28:34,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 00:28:34,112 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 52 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-12-02 00:28:34,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 00:28:34,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 581 states to 453 states and 581 transitions. [2018-12-02 00:28:34,300 INFO L276 IsEmpty]: Start isEmpty. Operand 453 states and 581 transitions. [2018-12-02 00:28:34,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2018-12-02 00:28:34,300 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 00:28:34,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 00:28:34,381 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 66 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-12-02 00:28:34,708 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 00:28:34,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 596 states to 467 states and 596 transitions. [2018-12-02 00:28:34,709 INFO L276 IsEmpty]: Start isEmpty. Operand 467 states and 596 transitions. [2018-12-02 00:28:34,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2018-12-02 00:28:34,710 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 00:28:34,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 00:28:34,755 INFO L134 CoverageAnalysis]: Checked inductivity of 89 backedges. 89 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 00:28:34,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 00:28:34,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 601 states to 471 states and 601 transitions. [2018-12-02 00:28:34,888 INFO L276 IsEmpty]: Start isEmpty. Operand 471 states and 601 transitions. [2018-12-02 00:28:34,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2018-12-02 00:28:34,888 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 00:28:34,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 00:28:35,135 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 75 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-12-02 00:28:36,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 00:28:36,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 652 states to 511 states and 652 transitions. [2018-12-02 00:28:36,165 INFO L276 IsEmpty]: Start isEmpty. Operand 511 states and 652 transitions. [2018-12-02 00:28:36,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2018-12-02 00:28:36,166 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 00:28:36,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 00:28:36,195 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 63 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 00:28:36,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 00:28:36,276 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 671 states to 530 states and 671 transitions. [2018-12-02 00:28:36,276 INFO L276 IsEmpty]: Start isEmpty. Operand 530 states and 671 transitions. [2018-12-02 00:28:36,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2018-12-02 00:28:36,277 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 00:28:36,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 00:28:36,333 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 64 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2018-12-02 00:28:36,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 00:28:36,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 676 states to 535 states and 676 transitions. [2018-12-02 00:28:36,438 INFO L276 IsEmpty]: Start isEmpty. Operand 535 states and 676 transitions. [2018-12-02 00:28:36,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2018-12-02 00:28:36,439 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 00:28:36,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 00:28:36,460 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 65 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 00:28:36,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 00:28:36,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 678 states to 537 states and 678 transitions. [2018-12-02 00:28:36,479 INFO L276 IsEmpty]: Start isEmpty. Operand 537 states and 678 transitions. [2018-12-02 00:28:36,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2018-12-02 00:28:36,479 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 00:28:36,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 00:28:36,498 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 65 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2018-12-02 00:28:36,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 00:28:36,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 679 states to 538 states and 679 transitions. [2018-12-02 00:28:36,508 INFO L276 IsEmpty]: Start isEmpty. Operand 538 states and 679 transitions. [2018-12-02 00:28:36,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2018-12-02 00:28:36,508 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 00:28:36,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 00:28:36,564 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 78 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2018-12-02 00:28:36,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 00:28:36,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 701 states to 557 states and 701 transitions. [2018-12-02 00:28:36,972 INFO L276 IsEmpty]: Start isEmpty. Operand 557 states and 701 transitions. [2018-12-02 00:28:36,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2018-12-02 00:28:36,972 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 00:28:36,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 00:28:37,010 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 79 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2018-12-02 00:28:37,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 00:28:37,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 702 states to 558 states and 702 transitions. [2018-12-02 00:28:37,034 INFO L276 IsEmpty]: Start isEmpty. Operand 558 states and 702 transitions. [2018-12-02 00:28:37,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2018-12-02 00:28:37,034 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 00:28:37,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 00:28:37,058 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 90 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2018-12-02 00:28:37,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 00:28:37,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 719 states to 575 states and 719 transitions. [2018-12-02 00:28:37,099 INFO L276 IsEmpty]: Start isEmpty. Operand 575 states and 719 transitions. [2018-12-02 00:28:37,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2018-12-02 00:28:37,099 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 00:28:37,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 00:28:37,127 INFO L134 CoverageAnalysis]: Checked inductivity of 122 backedges. 91 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2018-12-02 00:28:37,251 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 00:28:37,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 720 states to 577 states and 720 transitions. [2018-12-02 00:28:37,252 INFO L276 IsEmpty]: Start isEmpty. Operand 577 states and 720 transitions. [2018-12-02 00:28:37,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2018-12-02 00:28:37,252 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 00:28:37,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 00:28:37,284 INFO L134 CoverageAnalysis]: Checked inductivity of 107 backedges. 107 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 00:28:37,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 00:28:37,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 735 states to 592 states and 735 transitions. [2018-12-02 00:28:37,611 INFO L276 IsEmpty]: Start isEmpty. Operand 592 states and 735 transitions. [2018-12-02 00:28:37,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2018-12-02 00:28:37,612 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 00:28:37,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 00:28:37,660 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 77 trivial. 0 not checked. [2018-12-02 00:28:37,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 00:28:37,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 736 states to 594 states and 736 transitions. [2018-12-02 00:28:37,743 INFO L276 IsEmpty]: Start isEmpty. Operand 594 states and 736 transitions. [2018-12-02 00:28:37,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2018-12-02 00:28:37,744 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 00:28:37,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 00:28:37,838 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 133 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-12-02 00:28:37,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 00:28:37,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 738 states to 596 states and 738 transitions. [2018-12-02 00:28:37,970 INFO L276 IsEmpty]: Start isEmpty. Operand 596 states and 738 transitions. [2018-12-02 00:28:37,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2018-12-02 00:28:37,971 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 00:28:37,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 00:28:37,994 INFO L134 CoverageAnalysis]: Checked inductivity of 164 backedges. 88 proven. 0 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2018-12-02 00:28:38,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 00:28:38,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 739 states to 597 states and 739 transitions. [2018-12-02 00:28:38,009 INFO L276 IsEmpty]: Start isEmpty. Operand 597 states and 739 transitions. [2018-12-02 00:28:38,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2018-12-02 00:28:38,010 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 00:28:38,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 00:28:38,034 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 90 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-12-02 00:28:38,053 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 00:28:38,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 743 states to 601 states and 743 transitions. [2018-12-02 00:28:38,054 INFO L276 IsEmpty]: Start isEmpty. Operand 601 states and 743 transitions. [2018-12-02 00:28:38,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2018-12-02 00:28:38,054 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 00:28:38,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 00:28:38,118 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 104 proven. 0 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2018-12-02 00:28:38,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 00:28:38,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 745 states to 603 states and 745 transitions. [2018-12-02 00:28:38,166 INFO L276 IsEmpty]: Start isEmpty. Operand 603 states and 745 transitions. [2018-12-02 00:28:38,166 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2018-12-02 00:28:38,166 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 00:28:38,173 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 00:28:38,204 INFO L134 CoverageAnalysis]: Checked inductivity of 123 backedges. 92 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2018-12-02 00:28:38,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 00:28:38,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 772 states to 629 states and 772 transitions. [2018-12-02 00:28:38,278 INFO L276 IsEmpty]: Start isEmpty. Operand 629 states and 772 transitions. [2018-12-02 00:28:38,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2018-12-02 00:28:38,279 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 00:28:38,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 00:28:38,310 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 93 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-12-02 00:28:38,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 00:28:38,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 787 states to 641 states and 787 transitions. [2018-12-02 00:28:38,489 INFO L276 IsEmpty]: Start isEmpty. Operand 641 states and 787 transitions. [2018-12-02 00:28:38,490 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2018-12-02 00:28:38,490 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 00:28:38,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 00:28:38,753 INFO L134 CoverageAnalysis]: Checked inductivity of 183 backedges. 152 proven. 9 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-12-02 00:28:40,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 00:28:40,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 817 states to 664 states and 817 transitions. [2018-12-02 00:28:40,264 INFO L276 IsEmpty]: Start isEmpty. Operand 664 states and 817 transitions. [2018-12-02 00:28:40,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2018-12-02 00:28:40,265 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 00:28:40,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 00:28:40,289 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 94 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-12-02 00:28:40,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 00:28:40,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 822 states to 668 states and 822 transitions. [2018-12-02 00:28:40,384 INFO L276 IsEmpty]: Start isEmpty. Operand 668 states and 822 transitions. [2018-12-02 00:28:40,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2018-12-02 00:28:40,385 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 00:28:40,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 00:28:40,450 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 120 proven. 0 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2018-12-02 00:28:40,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 00:28:40,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 833 states to 680 states and 833 transitions. [2018-12-02 00:28:40,751 INFO L276 IsEmpty]: Start isEmpty. Operand 680 states and 833 transitions. [2018-12-02 00:28:40,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2018-12-02 00:28:40,751 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 00:28:40,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 00:28:40,826 INFO L134 CoverageAnalysis]: Checked inductivity of 137 backedges. 106 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2018-12-02 00:28:41,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 00:28:41,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 862 states to 710 states and 862 transitions. [2018-12-02 00:28:41,249 INFO L276 IsEmpty]: Start isEmpty. Operand 710 states and 862 transitions. [2018-12-02 00:28:41,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2018-12-02 00:28:41,250 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 00:28:41,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 00:28:41,298 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 107 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-12-02 00:28:41,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 00:28:41,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 887 states to 735 states and 887 transitions. [2018-12-02 00:28:41,674 INFO L276 IsEmpty]: Start isEmpty. Operand 735 states and 887 transitions. [2018-12-02 00:28:41,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2018-12-02 00:28:41,675 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 00:28:41,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 00:28:41,705 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 100 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2018-12-02 00:28:41,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 00:28:41,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 892 states to 741 states and 892 transitions. [2018-12-02 00:28:41,747 INFO L276 IsEmpty]: Start isEmpty. Operand 741 states and 892 transitions. [2018-12-02 00:28:41,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2018-12-02 00:28:41,747 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 00:28:41,754 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 00:28:41,771 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 118 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2018-12-02 00:28:41,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 00:28:41,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 924 states to 773 states and 924 transitions. [2018-12-02 00:28:41,851 INFO L276 IsEmpty]: Start isEmpty. Operand 773 states and 924 transitions. [2018-12-02 00:28:41,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2018-12-02 00:28:41,852 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 00:28:41,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 00:28:41,933 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 52 proven. 4 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2018-12-02 00:28:42,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 00:28:42,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 930 states to 778 states and 930 transitions. [2018-12-02 00:28:42,025 INFO L276 IsEmpty]: Start isEmpty. Operand 778 states and 930 transitions. [2018-12-02 00:28:42,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2018-12-02 00:28:42,025 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 00:28:42,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 00:28:42,082 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 52 proven. 4 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2018-12-02 00:28:42,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 00:28:42,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 930 states to 779 states and 930 transitions. [2018-12-02 00:28:42,205 INFO L276 IsEmpty]: Start isEmpty. Operand 779 states and 930 transitions. [2018-12-02 00:28:42,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2018-12-02 00:28:42,205 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 00:28:42,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 00:28:42,340 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 180 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 00:28:42,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 00:28:42,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 968 states to 813 states and 968 transitions. [2018-12-02 00:28:42,944 INFO L276 IsEmpty]: Start isEmpty. Operand 813 states and 968 transitions. [2018-12-02 00:28:42,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2018-12-02 00:28:42,944 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 00:28:42,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 00:28:42,979 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 180 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 00:28:43,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 00:28:43,091 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 969 states to 815 states and 969 transitions. [2018-12-02 00:28:43,091 INFO L276 IsEmpty]: Start isEmpty. Operand 815 states and 969 transitions. [2018-12-02 00:28:43,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2018-12-02 00:28:43,092 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 00:28:43,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 00:28:43,130 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 109 proven. 1 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-12-02 00:28:43,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 00:28:43,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 990 states to 835 states and 990 transitions. [2018-12-02 00:28:43,311 INFO L276 IsEmpty]: Start isEmpty. Operand 835 states and 990 transitions. [2018-12-02 00:28:43,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2018-12-02 00:28:43,311 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 00:28:43,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 00:28:43,347 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 109 proven. 1 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-12-02 00:28:43,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 00:28:43,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 993 states to 838 states and 993 transitions. [2018-12-02 00:28:43,511 INFO L276 IsEmpty]: Start isEmpty. Operand 838 states and 993 transitions. [2018-12-02 00:28:43,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2018-12-02 00:28:43,512 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 00:28:43,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 00:28:43,558 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 122 proven. 16 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-12-02 00:28:44,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 00:28:44,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1029 states to 871 states and 1029 transitions. [2018-12-02 00:28:44,061 INFO L276 IsEmpty]: Start isEmpty. Operand 871 states and 1029 transitions. [2018-12-02 00:28:44,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2018-12-02 00:28:44,062 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 00:28:44,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 00:28:44,125 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 122 proven. 16 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-12-02 00:28:44,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 00:28:44,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1032 states to 874 states and 1032 transitions. [2018-12-02 00:28:44,317 INFO L276 IsEmpty]: Start isEmpty. Operand 874 states and 1032 transitions. [2018-12-02 00:28:44,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2018-12-02 00:28:44,317 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 00:28:44,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 00:28:44,349 INFO L134 CoverageAnalysis]: Checked inductivity of 207 backedges. 176 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2018-12-02 00:28:44,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 00:28:44,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1038 states to 878 states and 1038 transitions. [2018-12-02 00:28:44,433 INFO L276 IsEmpty]: Start isEmpty. Operand 878 states and 1038 transitions. [2018-12-02 00:28:44,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2018-12-02 00:28:44,434 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 00:28:44,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 00:28:44,466 INFO L134 CoverageAnalysis]: Checked inductivity of 165 backedges. 134 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2018-12-02 00:28:44,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 00:28:44,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1054 states to 895 states and 1054 transitions. [2018-12-02 00:28:44,516 INFO L276 IsEmpty]: Start isEmpty. Operand 895 states and 1054 transitions. [2018-12-02 00:28:44,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2018-12-02 00:28:44,517 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 00:28:44,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 00:28:44,544 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 174 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-12-02 00:28:44,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 00:28:44,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1094 states to 933 states and 1094 transitions. [2018-12-02 00:28:44,688 INFO L276 IsEmpty]: Start isEmpty. Operand 933 states and 1094 transitions. [2018-12-02 00:28:44,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2018-12-02 00:28:44,688 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 00:28:44,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 00:28:44,718 INFO L134 CoverageAnalysis]: Checked inductivity of 197 backedges. 146 proven. 0 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2018-12-02 00:28:44,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 00:28:44,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1096 states to 936 states and 1096 transitions. [2018-12-02 00:28:44,738 INFO L276 IsEmpty]: Start isEmpty. Operand 936 states and 1096 transitions. [2018-12-02 00:28:44,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2018-12-02 00:28:44,738 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 00:28:44,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 00:28:45,334 INFO L134 CoverageAnalysis]: Checked inductivity of 236 backedges. 175 proven. 61 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 00:28:47,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 00:28:47,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1236 states to 1057 states and 1236 transitions. [2018-12-02 00:28:47,834 INFO L276 IsEmpty]: Start isEmpty. Operand 1057 states and 1236 transitions. [2018-12-02 00:28:47,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2018-12-02 00:28:47,835 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 00:28:47,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 00:28:47,977 INFO L134 CoverageAnalysis]: Checked inductivity of 236 backedges. 175 proven. 61 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 00:28:48,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 00:28:48,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1240 states to 1061 states and 1240 transitions. [2018-12-02 00:28:48,259 INFO L276 IsEmpty]: Start isEmpty. Operand 1061 states and 1240 transitions. [2018-12-02 00:28:48,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2018-12-02 00:28:48,260 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 00:28:48,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 00:28:48,439 INFO L134 CoverageAnalysis]: Checked inductivity of 236 backedges. 175 proven. 61 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 00:28:48,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 00:28:48,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1244 states to 1066 states and 1244 transitions. [2018-12-02 00:28:48,629 INFO L276 IsEmpty]: Start isEmpty. Operand 1066 states and 1244 transitions. [2018-12-02 00:28:48,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2018-12-02 00:28:48,629 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 00:28:48,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 00:28:48,776 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 141 proven. 0 refuted. 0 times theorem prover too weak. 89 trivial. 0 not checked. [2018-12-02 00:28:49,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 00:28:49,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1326 states to 1145 states and 1326 transitions. [2018-12-02 00:28:49,313 INFO L276 IsEmpty]: Start isEmpty. Operand 1145 states and 1326 transitions. [2018-12-02 00:28:49,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 234 [2018-12-02 00:28:49,314 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 00:28:49,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 00:28:49,448 INFO L134 CoverageAnalysis]: Checked inductivity of 273 backedges. 184 proven. 0 refuted. 0 times theorem prover too weak. 89 trivial. 0 not checked. [2018-12-02 00:28:49,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 00:28:49,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1340 states to 1156 states and 1340 transitions. [2018-12-02 00:28:49,837 INFO L276 IsEmpty]: Start isEmpty. Operand 1156 states and 1340 transitions. [2018-12-02 00:28:49,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 261 [2018-12-02 00:28:49,838 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 00:28:49,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 00:28:49,880 INFO L134 CoverageAnalysis]: Checked inductivity of 365 backedges. 276 proven. 0 refuted. 0 times theorem prover too weak. 89 trivial. 0 not checked. [2018-12-02 00:28:49,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 00:28:49,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1367 states to 1183 states and 1367 transitions. [2018-12-02 00:28:49,968 INFO L276 IsEmpty]: Start isEmpty. Operand 1183 states and 1367 transitions. [2018-12-02 00:28:49,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 303 [2018-12-02 00:28:49,969 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 00:28:49,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 00:28:50,228 INFO L134 CoverageAnalysis]: Checked inductivity of 450 backedges. 360 proven. 0 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2018-12-02 00:28:54,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 00:28:54,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1599 states to 1394 states and 1599 transitions. [2018-12-02 00:28:54,805 INFO L276 IsEmpty]: Start isEmpty. Operand 1394 states and 1599 transitions. [2018-12-02 00:28:54,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 310 [2018-12-02 00:28:54,808 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 00:28:54,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 00:28:54,960 INFO L134 CoverageAnalysis]: Checked inductivity of 490 backedges. 411 proven. 0 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2018-12-02 00:28:56,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 00:28:56,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1648 states to 1437 states and 1648 transitions. [2018-12-02 00:28:56,049 INFO L276 IsEmpty]: Start isEmpty. Operand 1437 states and 1648 transitions. [2018-12-02 00:28:56,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 310 [2018-12-02 00:28:56,050 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 00:28:56,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 00:28:56,118 INFO L134 CoverageAnalysis]: Checked inductivity of 490 backedges. 411 proven. 0 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2018-12-02 00:28:56,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 00:28:56,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1651 states to 1441 states and 1651 transitions. [2018-12-02 00:28:56,385 INFO L276 IsEmpty]: Start isEmpty. Operand 1441 states and 1651 transitions. [2018-12-02 00:28:56,387 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 345 [2018-12-02 00:28:56,387 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 00:28:56,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 00:28:57,062 INFO L134 CoverageAnalysis]: Checked inductivity of 601 backedges. 419 proven. 103 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2018-12-02 00:29:06,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 00:29:06,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1818 states to 1578 states and 1818 transitions. [2018-12-02 00:29:06,765 INFO L276 IsEmpty]: Start isEmpty. Operand 1578 states and 1818 transitions. [2018-12-02 00:29:06,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 345 [2018-12-02 00:29:06,767 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 00:29:06,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 00:29:06,931 INFO L134 CoverageAnalysis]: Checked inductivity of 601 backedges. 419 proven. 103 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2018-12-02 00:29:08,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 00:29:08,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1829 states to 1588 states and 1829 transitions. [2018-12-02 00:29:08,127 INFO L276 IsEmpty]: Start isEmpty. Operand 1588 states and 1829 transitions. [2018-12-02 00:29:08,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 345 [2018-12-02 00:29:08,129 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 00:29:08,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 00:29:08,299 INFO L134 CoverageAnalysis]: Checked inductivity of 601 backedges. 419 proven. 103 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2018-12-02 00:29:08,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 00:29:08,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1833 states to 1593 states and 1833 transitions. [2018-12-02 00:29:08,622 INFO L276 IsEmpty]: Start isEmpty. Operand 1593 states and 1833 transitions. [2018-12-02 00:29:08,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 345 [2018-12-02 00:29:08,623 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 00:29:08,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 00:29:08,801 INFO L134 CoverageAnalysis]: Checked inductivity of 601 backedges. 419 proven. 103 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2018-12-02 00:29:10,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 00:29:10,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1859 states to 1617 states and 1859 transitions. [2018-12-02 00:29:10,423 INFO L276 IsEmpty]: Start isEmpty. Operand 1617 states and 1859 transitions. [2018-12-02 00:29:10,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 345 [2018-12-02 00:29:10,425 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 00:29:10,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 00:29:10,588 INFO L134 CoverageAnalysis]: Checked inductivity of 601 backedges. 419 proven. 103 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2018-12-02 00:29:13,125 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 00:29:13,126 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1872 states to 1627 states and 1872 transitions. [2018-12-02 00:29:13,127 INFO L276 IsEmpty]: Start isEmpty. Operand 1627 states and 1872 transitions. [2018-12-02 00:29:13,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 345 [2018-12-02 00:29:13,128 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 00:29:13,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 00:29:13,308 INFO L134 CoverageAnalysis]: Checked inductivity of 601 backedges. 419 proven. 103 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2018-12-02 00:29:16,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 00:29:16,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1877 states to 1632 states and 1877 transitions. [2018-12-02 00:29:16,374 INFO L276 IsEmpty]: Start isEmpty. Operand 1632 states and 1877 transitions. [2018-12-02 00:29:16,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 345 [2018-12-02 00:29:16,376 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 00:29:16,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 00:29:16,544 INFO L134 CoverageAnalysis]: Checked inductivity of 601 backedges. 419 proven. 103 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2018-12-02 00:29:16,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 00:29:16,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1880 states to 1636 states and 1880 transitions. [2018-12-02 00:29:16,962 INFO L276 IsEmpty]: Start isEmpty. Operand 1636 states and 1880 transitions. [2018-12-02 00:29:16,963 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 346 [2018-12-02 00:29:16,964 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 00:29:16,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 00:29:17,016 INFO L134 CoverageAnalysis]: Checked inductivity of 603 backedges. 350 proven. 0 refuted. 0 times theorem prover too weak. 253 trivial. 0 not checked. [2018-12-02 00:29:17,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 00:29:17,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1882 states to 1639 states and 1882 transitions. [2018-12-02 00:29:17,158 INFO L276 IsEmpty]: Start isEmpty. Operand 1639 states and 1882 transitions. [2018-12-02 00:29:17,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 354 [2018-12-02 00:29:17,159 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 00:29:17,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 00:29:17,250 INFO L134 CoverageAnalysis]: Checked inductivity of 697 backedges. 574 proven. 16 refuted. 0 times theorem prover too weak. 107 trivial. 0 not checked. [2018-12-02 00:29:18,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 00:29:18,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1907 states to 1663 states and 1907 transitions. [2018-12-02 00:29:18,150 INFO L276 IsEmpty]: Start isEmpty. Operand 1663 states and 1907 transitions. [2018-12-02 00:29:18,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 354 [2018-12-02 00:29:18,151 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 00:29:18,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 00:29:18,240 INFO L134 CoverageAnalysis]: Checked inductivity of 697 backedges. 574 proven. 16 refuted. 0 times theorem prover too weak. 107 trivial. 0 not checked. [2018-12-02 00:29:18,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 00:29:18,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1910 states to 1667 states and 1910 transitions. [2018-12-02 00:29:18,552 INFO L276 IsEmpty]: Start isEmpty. Operand 1667 states and 1910 transitions. [2018-12-02 00:29:18,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 355 [2018-12-02 00:29:18,553 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 00:29:18,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 00:29:18,612 INFO L134 CoverageAnalysis]: Checked inductivity of 650 backedges. 506 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2018-12-02 00:29:22,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 00:29:22,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1987 states to 1731 states and 1987 transitions. [2018-12-02 00:29:22,563 INFO L276 IsEmpty]: Start isEmpty. Operand 1731 states and 1987 transitions. [2018-12-02 00:29:22,564 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 355 [2018-12-02 00:29:22,564 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 00:29:22,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 00:29:22,623 INFO L134 CoverageAnalysis]: Checked inductivity of 650 backedges. 506 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2018-12-02 00:29:23,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 00:29:23,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2007 states to 1744 states and 2007 transitions. [2018-12-02 00:29:23,758 INFO L276 IsEmpty]: Start isEmpty. Operand 1744 states and 2007 transitions. [2018-12-02 00:29:23,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 355 [2018-12-02 00:29:23,760 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 00:29:23,772 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 00:29:23,818 INFO L134 CoverageAnalysis]: Checked inductivity of 650 backedges. 506 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2018-12-02 00:29:24,418 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 00:29:24,419 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2012 states to 1749 states and 2012 transitions. [2018-12-02 00:29:24,419 INFO L276 IsEmpty]: Start isEmpty. Operand 1749 states and 2012 transitions. [2018-12-02 00:29:24,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 355 [2018-12-02 00:29:24,421 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 00:29:24,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 00:29:24,496 INFO L134 CoverageAnalysis]: Checked inductivity of 650 backedges. 506 proven. 0 refuted. 0 times theorem prover too weak. 144 trivial. 0 not checked. [2018-12-02 00:29:25,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 00:29:25,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2038 states to 1771 states and 2038 transitions. [2018-12-02 00:29:25,663 INFO L276 IsEmpty]: Start isEmpty. Operand 1771 states and 2038 transitions. [2018-12-02 00:29:25,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 360 [2018-12-02 00:29:25,664 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 00:29:25,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 00:29:26,146 INFO L134 CoverageAnalysis]: Checked inductivity of 675 backedges. 75 proven. 400 refuted. 0 times theorem prover too weak. 200 trivial. 0 not checked. [2018-12-02 00:29:27,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 00:29:27,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2081 states to 1812 states and 2081 transitions. [2018-12-02 00:29:27,830 INFO L276 IsEmpty]: Start isEmpty. Operand 1812 states and 2081 transitions. [2018-12-02 00:29:27,831 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-02 00:29:27,831 WARN L428 CodeCheckObserver]: This Program is SAFE, Check terminated with 83 iterations. [2018-12-02 00:29:27,838 INFO L779 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-12-02 00:29:31,761 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-02 00:29:31,763 INFO L583 CodeCheckObserver]: Invariant with dag size 19 [2018-12-02 00:29:31,768 INFO L583 CodeCheckObserver]: Invariant with dag size 19 [2018-12-02 00:29:31,768 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 02.12 12:29:31 ImpRootNode [2018-12-02 00:29:31,768 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-12-02 00:29:31,769 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-02 00:29:31,769 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-02 00:29:31,769 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-02 00:29:31,769 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 12:28:29" (3/4) ... [2018-12-02 00:29:31,771 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-02 00:29:31,783 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 109 nodes and edges [2018-12-02 00:29:31,783 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 19 nodes and edges [2018-12-02 00:29:31,784 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2018-12-02 00:29:31,785 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-12-02 00:29:31,858 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_2b981f11-7b04-4a85-94cf-75592bd75bfe/bin-2019/ukojak/witness.graphml [2018-12-02 00:29:31,858 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-02 00:29:31,859 INFO L168 Benchmark]: Toolchain (without parser) took 64009.20 ms. Allocated memory was 1.0 GB in the beginning and 2.4 GB in the end (delta: 1.4 GB). Free memory was 949.5 MB in the beginning and 2.0 GB in the end (delta: -1.0 GB). Peak memory consumption was 383.8 MB. Max. memory is 11.5 GB. [2018-12-02 00:29:31,860 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 00:29:31,860 INFO L168 Benchmark]: CACSL2BoogieTranslator took 346.82 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.1 MB). Free memory was 949.5 MB in the beginning and 1.1 GB in the end (delta: -173.3 MB). Peak memory consumption was 32.3 MB. Max. memory is 11.5 GB. [2018-12-02 00:29:31,860 INFO L168 Benchmark]: Boogie Procedure Inliner took 42.51 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. [2018-12-02 00:29:31,860 INFO L168 Benchmark]: Boogie Preprocessor took 39.18 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 00:29:31,860 INFO L168 Benchmark]: RCFGBuilder took 977.29 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 893.1 MB in the end (delta: 223.2 MB). Peak memory consumption was 223.2 MB. Max. memory is 11.5 GB. [2018-12-02 00:29:31,860 INFO L168 Benchmark]: CodeCheck took 62510.75 ms. Allocated memory was 1.2 GB in the beginning and 2.4 GB in the end (delta: 1.3 GB). Free memory was 893.1 MB in the beginning and 2.0 GB in the end (delta: -1.1 GB). Peak memory consumption was 1.3 GB. Max. memory is 11.5 GB. [2018-12-02 00:29:31,861 INFO L168 Benchmark]: Witness Printer took 89.74 ms. Allocated memory is still 2.4 GB. Free memory was 2.0 GB in the beginning and 2.0 GB in the end (delta: 30.5 MB). Peak memory consumption was 30.5 MB. Max. memory is 11.5 GB. [2018-12-02 00:29:31,862 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, 58.5s OverallTime, 83 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: -998571932 SDtfs, 1485021260 SDslu, -621002024 SDs, 0 SdLazy, -2138600736 SolverSat, -1060162952 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 163.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 105217 GetRequests, 102459 SyntacticMatches, 2050 SemanticMatches, 708 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 312346 ImplicationChecksByTransitivity, 46.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.2s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 4.3s InterpolantComputationTime, 16247 NumberOfCodeBlocks, 16247 NumberOfCodeBlocksAsserted, 82 NumberOfCheckSat, 16165 ConstructedInterpolants, 0 QuantifiedInterpolants, 15411556 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 82 InterpolantComputations, 60 PerfectInterpolantSequences, 16867/18258 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: 574]: 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: (a11 == 1 || (!(a17 == 7) || !(a25 == 1)) || !(a28 == 10)) || !(a19 == 1) - InvariantResult [Line: 606]: Loop Invariant Derived loop invariant: ((a11 == 1 || !(a28 == 10)) || !(a17 == 7) || !(a25 == 1)) || !(a19 == 1) * 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 346.82 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 142.1 MB). Free memory was 949.5 MB in the beginning and 1.1 GB in the end (delta: -173.3 MB). Peak memory consumption was 32.3 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 42.51 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.6 MB). Peak memory consumption was 6.6 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 39.18 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 977.29 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 893.1 MB in the end (delta: 223.2 MB). Peak memory consumption was 223.2 MB. Max. memory is 11.5 GB. * CodeCheck took 62510.75 ms. Allocated memory was 1.2 GB in the beginning and 2.4 GB in the end (delta: 1.3 GB). Free memory was 893.1 MB in the beginning and 2.0 GB in the end (delta: -1.1 GB). Peak memory consumption was 1.3 GB. Max. memory is 11.5 GB. * Witness Printer took 89.74 ms. Allocated memory is still 2.4 GB. Free memory was 2.0 GB in the beginning and 2.0 GB in the end (delta: 30.5 MB). Peak memory consumption was 30.5 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...