./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 aa418289 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_721ec333-be1d-488a-9888-37baaf364580/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_721ec333-be1d-488a-9888-37baaf364580/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_721ec333-be1d-488a-9888-37baaf364580/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_721ec333-be1d-488a-9888-37baaf364580/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_721ec333-be1d-488a-9888-37baaf364580/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_721ec333-be1d-488a-9888-37baaf364580/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-aa41828 [2018-11-22 21:48:18,704 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-22 21:48:18,705 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-22 21:48:18,712 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-22 21:48:18,712 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-22 21:48:18,713 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-22 21:48:18,713 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-22 21:48:18,715 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-22 21:48:18,716 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-22 21:48:18,716 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-22 21:48:18,717 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-22 21:48:18,717 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-22 21:48:18,718 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-22 21:48:18,718 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-22 21:48:18,719 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-22 21:48:18,719 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-22 21:48:18,720 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-22 21:48:18,721 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-22 21:48:18,722 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-22 21:48:18,723 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-22 21:48:18,724 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-22 21:48:18,724 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-22 21:48:18,726 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-22 21:48:18,726 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-22 21:48:18,726 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-22 21:48:18,727 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-22 21:48:18,728 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-22 21:48:18,728 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-22 21:48:18,728 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-22 21:48:18,729 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-22 21:48:18,729 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-22 21:48:18,730 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-22 21:48:18,730 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-22 21:48:18,730 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-22 21:48:18,731 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-22 21:48:18,731 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-22 21:48:18,732 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_721ec333-be1d-488a-9888-37baaf364580/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-11-22 21:48:18,739 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-22 21:48:18,739 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-22 21:48:18,740 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-22 21:48:18,740 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-11-22 21:48:18,740 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-22 21:48:18,740 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-22 21:48:18,740 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-22 21:48:18,741 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-22 21:48:18,741 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-22 21:48:18,741 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-22 21:48:18,741 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-22 21:48:18,741 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-22 21:48:18,741 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-22 21:48:18,741 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-22 21:48:18,742 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-22 21:48:18,742 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-22 21:48:18,742 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-22 21:48:18,742 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-22 21:48:18,742 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-22 21:48:18,742 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-22 21:48:18,742 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-22 21:48:18,742 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-22 21:48:18,743 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-22 21:48:18,743 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-22 21:48:18,743 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-22 21:48:18,743 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-22 21:48:18,743 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-22 21:48:18,743 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-22 21:48:18,743 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-22 21:48:18,743 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_721ec333-be1d-488a-9888-37baaf364580/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 [2018-11-22 21:48:18,767 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-22 21:48:18,776 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-22 21:48:18,779 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-22 21:48:18,780 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-22 21:48:18,780 INFO L276 PluginConnector]: CDTParser initialized [2018-11-22 21:48:18,781 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_721ec333-be1d-488a-9888-37baaf364580/bin-2019/ukojak/../../sv-benchmarks/c/eca-rers2012/Problem02_label25_true-unreach-call_false-termination.c [2018-11-22 21:48:18,822 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_721ec333-be1d-488a-9888-37baaf364580/bin-2019/ukojak/data/874775d43/1e44e6e515914608943a9dd55f9292bd/FLAG8560670e8 [2018-11-22 21:48:19,213 INFO L307 CDTParser]: Found 1 translation units. [2018-11-22 21:48:19,214 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_721ec333-be1d-488a-9888-37baaf364580/sv-benchmarks/c/eca-rers2012/Problem02_label25_true-unreach-call_false-termination.c [2018-11-22 21:48:19,225 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_721ec333-be1d-488a-9888-37baaf364580/bin-2019/ukojak/data/874775d43/1e44e6e515914608943a9dd55f9292bd/FLAG8560670e8 [2018-11-22 21:48:19,582 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_721ec333-be1d-488a-9888-37baaf364580/bin-2019/ukojak/data/874775d43/1e44e6e515914608943a9dd55f9292bd [2018-11-22 21:48:19,583 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-22 21:48:19,584 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-22 21:48:19,585 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-22 21:48:19,585 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-22 21:48:19,588 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-22 21:48:19,588 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 09:48:19" (1/1) ... [2018-11-22 21:48:19,591 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@138c803b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:48:19, skipping insertion in model container [2018-11-22 21:48:19,591 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.11 09:48:19" (1/1) ... [2018-11-22 21:48:19,597 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-22 21:48:19,631 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-22 21:48:19,884 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-22 21:48:19,888 INFO L191 MainTranslator]: Completed pre-run [2018-11-22 21:48:19,958 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-22 21:48:19,969 INFO L195 MainTranslator]: Completed translation [2018-11-22 21:48:19,969 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:48:19 WrapperNode [2018-11-22 21:48:19,969 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-22 21:48:19,969 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-22 21:48:19,970 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-22 21:48:19,970 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-22 21:48:20,021 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:48:19" (1/1) ... [2018-11-22 21:48:20,033 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:48:19" (1/1) ... [2018-11-22 21:48:20,060 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-22 21:48:20,061 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-22 21:48:20,061 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-22 21:48:20,061 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-22 21:48:20,068 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:48:19" (1/1) ... [2018-11-22 21:48:20,068 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:48:19" (1/1) ... [2018-11-22 21:48:20,071 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:48:19" (1/1) ... [2018-11-22 21:48:20,072 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:48:19" (1/1) ... [2018-11-22 21:48:20,085 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:48:19" (1/1) ... [2018-11-22 21:48:20,094 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:48:19" (1/1) ... [2018-11-22 21:48:20,097 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:48:19" (1/1) ... [2018-11-22 21:48:20,102 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-22 21:48:20,103 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-22 21:48:20,103 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-22 21:48:20,103 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-22 21:48:20,104 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.11 09:48:19" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_721ec333-be1d-488a-9888-37baaf364580/bin-2019/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-22 21:48:20,155 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-22 21:48:20,155 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-22 21:48:20,156 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-22 21:48:21,522 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-22 21:48:21,522 INFO L280 CfgBuilder]: Removed 7 assue(true) statements. [2018-11-22 21:48:21,522 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 09:48:21 BoogieIcfgContainer [2018-11-22 21:48:21,522 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-22 21:48:21,523 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-22 21:48:21,523 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-22 21:48:21,530 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-22 21:48:21,530 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 09:48:21" (1/1) ... [2018-11-22 21:48:21,538 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-22 21:48:21,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 21:48:21,564 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 85 states and 162 transitions. [2018-11-22 21:48:21,565 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 162 transitions. [2018-11-22 21:48:21,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2018-11-22 21:48:21,568 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 21:48:21,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 21:48:21,856 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 21:48:22,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 21:48:22,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 241 states to 163 states and 241 transitions. [2018-11-22 21:48:22,288 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 241 transitions. [2018-11-22 21:48:22,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2018-11-22 21:48:22,290 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 21:48:22,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 21:48:22,357 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-22 21:48:22,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 21:48:22,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 242 states to 164 states and 242 transitions. [2018-11-22 21:48:22,453 INFO L276 IsEmpty]: Start isEmpty. Operand 164 states and 242 transitions. [2018-11-22 21:48:22,455 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2018-11-22 21:48:22,455 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 21:48:22,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 21:48:22,514 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 21:48:22,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 21:48:22,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 268 states to 181 states and 268 transitions. [2018-11-22 21:48:22,650 INFO L276 IsEmpty]: Start isEmpty. Operand 181 states and 268 transitions. [2018-11-22 21:48:22,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2018-11-22 21:48:22,652 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 21:48:22,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 21:48:22,700 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 21:48:23,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 21:48:23,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 292 states to 199 states and 292 transitions. [2018-11-22 21:48:23,041 INFO L276 IsEmpty]: Start isEmpty. Operand 199 states and 292 transitions. [2018-11-22 21:48:23,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2018-11-22 21:48:23,046 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 21:48:23,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 21:48:23,082 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 21:48:23,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 21:48:23,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 320 states to 220 states and 320 transitions. [2018-11-22 21:48:23,315 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 320 transitions. [2018-11-22 21:48:23,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2018-11-22 21:48:23,319 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 21:48:23,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 21:48:23,346 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 21:48:23,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 21:48:23,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 325 states to 224 states and 325 transitions. [2018-11-22 21:48:23,507 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 325 transitions. [2018-11-22 21:48:23,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2018-11-22 21:48:23,507 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 21:48:23,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 21:48:23,530 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-11-22 21:48:23,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 21:48:23,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 345 states to 242 states and 345 transitions. [2018-11-22 21:48:23,833 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 345 transitions. [2018-11-22 21:48:23,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2018-11-22 21:48:23,834 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 21:48:23,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 21:48:23,861 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 21:48:23,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 21:48:23,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 349 states to 246 states and 349 transitions. [2018-11-22 21:48:23,923 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states and 349 transitions. [2018-11-22 21:48:23,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2018-11-22 21:48:23,924 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 21:48:23,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 21:48:23,950 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-22 21:48:24,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 21:48:24,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 351 states to 247 states and 351 transitions. [2018-11-22 21:48:24,070 INFO L276 IsEmpty]: Start isEmpty. Operand 247 states and 351 transitions. [2018-11-22 21:48:24,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2018-11-22 21:48:24,071 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 21:48:24,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 21:48:24,093 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-22 21:48:24,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 21:48:24,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 354 states to 250 states and 354 transitions. [2018-11-22 21:48:24,175 INFO L276 IsEmpty]: Start isEmpty. Operand 250 states and 354 transitions. [2018-11-22 21:48:24,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2018-11-22 21:48:24,176 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 21:48:24,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 21:48:24,295 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-22 21:48:24,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 21:48:24,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 438 states to 329 states and 438 transitions. [2018-11-22 21:48:24,666 INFO L276 IsEmpty]: Start isEmpty. Operand 329 states and 438 transitions. [2018-11-22 21:48:24,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2018-11-22 21:48:24,666 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 21:48:24,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 21:48:24,689 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-22 21:48:24,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 21:48:24,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 458 states to 345 states and 458 transitions. [2018-11-22 21:48:24,824 INFO L276 IsEmpty]: Start isEmpty. Operand 345 states and 458 transitions. [2018-11-22 21:48:24,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2018-11-22 21:48:24,825 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 21:48:24,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 21:48:24,874 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-22 21:48:24,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 21:48:24,996 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 459 states to 347 states and 459 transitions. [2018-11-22 21:48:24,996 INFO L276 IsEmpty]: Start isEmpty. Operand 347 states and 459 transitions. [2018-11-22 21:48:24,997 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2018-11-22 21:48:24,997 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 21:48:25,005 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 21:48:25,080 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 21:48:25,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 21:48:25,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 497 states to 377 states and 497 transitions. [2018-11-22 21:48:25,592 INFO L276 IsEmpty]: Start isEmpty. Operand 377 states and 497 transitions. [2018-11-22 21:48:25,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2018-11-22 21:48:25,592 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 21:48:25,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 21:48:25,678 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 21:48:26,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 21:48:26,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 532 states to 407 states and 532 transitions. [2018-11-22 21:48:26,546 INFO L276 IsEmpty]: Start isEmpty. Operand 407 states and 532 transitions. [2018-11-22 21:48:26,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2018-11-22 21:48:26,547 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 21:48:26,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 21:48:26,586 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 21:48:26,683 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 21:48:26,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 535 states to 410 states and 535 transitions. [2018-11-22 21:48:26,684 INFO L276 IsEmpty]: Start isEmpty. Operand 410 states and 535 transitions. [2018-11-22 21:48:26,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2018-11-22 21:48:26,685 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 21:48:26,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 21:48:26,708 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 47 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 21:48:26,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 21:48:26,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 549 states to 423 states and 549 transitions. [2018-11-22 21:48:26,795 INFO L276 IsEmpty]: Start isEmpty. Operand 423 states and 549 transitions. [2018-11-22 21:48:26,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2018-11-22 21:48:26,796 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 21:48:26,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 21:48:26,822 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 21:48:27,005 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 21:48:27,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 571 states to 442 states and 571 transitions. [2018-11-22 21:48:27,006 INFO L276 IsEmpty]: Start isEmpty. Operand 442 states and 571 transitions. [2018-11-22 21:48:27,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2018-11-22 21:48:27,007 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 21:48:27,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 21:48:27,027 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 49 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-22 21:48:27,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 21:48:27,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 574 states to 446 states and 574 transitions. [2018-11-22 21:48:27,113 INFO L276 IsEmpty]: Start isEmpty. Operand 446 states and 574 transitions. [2018-11-22 21:48:27,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2018-11-22 21:48:27,113 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 21:48:27,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 21:48:27,135 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 53 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-11-22 21:48:27,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 21:48:27,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 578 states to 451 states and 578 transitions. [2018-11-22 21:48:27,156 INFO L276 IsEmpty]: Start isEmpty. Operand 451 states and 578 transitions. [2018-11-22 21:48:27,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2018-11-22 21:48:27,157 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 21:48:27,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 21:48:27,248 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 52 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-11-22 21:48:27,436 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 21:48:27,436 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 581 states to 453 states and 581 transitions. [2018-11-22 21:48:27,436 INFO L276 IsEmpty]: Start isEmpty. Operand 453 states and 581 transitions. [2018-11-22 21:48:27,437 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2018-11-22 21:48:27,437 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 21:48:27,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 21:48:27,572 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 66 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-11-22 21:48:27,922 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 21:48:27,923 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 596 states to 467 states and 596 transitions. [2018-11-22 21:48:27,923 INFO L276 IsEmpty]: Start isEmpty. Operand 467 states and 596 transitions. [2018-11-22 21:48:27,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2018-11-22 21:48:27,924 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 21:48:27,930 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 21:48:27,942 INFO L134 CoverageAnalysis]: Checked inductivity of 89 backedges. 89 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 21:48:28,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 21:48:28,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 601 states to 471 states and 601 transitions. [2018-11-22 21:48:28,085 INFO L276 IsEmpty]: Start isEmpty. Operand 471 states and 601 transitions. [2018-11-22 21:48:28,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2018-11-22 21:48:28,086 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 21:48:28,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 21:48:28,341 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 75 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-11-22 21:48:29,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 21:48:29,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 652 states to 511 states and 652 transitions. [2018-11-22 21:48:29,467 INFO L276 IsEmpty]: Start isEmpty. Operand 511 states and 652 transitions. [2018-11-22 21:48:29,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2018-11-22 21:48:29,468 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 21:48:29,478 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 21:48:29,504 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 63 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 21:48:29,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 21:48:29,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 671 states to 530 states and 671 transitions. [2018-11-22 21:48:29,605 INFO L276 IsEmpty]: Start isEmpty. Operand 530 states and 671 transitions. [2018-11-22 21:48:29,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2018-11-22 21:48:29,608 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 21:48:29,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 21:48:29,643 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 64 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2018-11-22 21:48:29,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 21:48:29,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 676 states to 535 states and 676 transitions. [2018-11-22 21:48:29,792 INFO L276 IsEmpty]: Start isEmpty. Operand 535 states and 676 transitions. [2018-11-22 21:48:29,793 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2018-11-22 21:48:29,793 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 21:48:29,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 21:48:29,829 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 65 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 21:48:29,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 21:48:29,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 678 states to 537 states and 678 transitions. [2018-11-22 21:48:29,864 INFO L276 IsEmpty]: Start isEmpty. Operand 537 states and 678 transitions. [2018-11-22 21:48:29,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2018-11-22 21:48:29,865 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 21:48:29,874 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 21:48:29,902 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 65 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2018-11-22 21:48:29,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 21:48:29,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 679 states to 538 states and 679 transitions. [2018-11-22 21:48:29,940 INFO L276 IsEmpty]: Start isEmpty. Operand 538 states and 679 transitions. [2018-11-22 21:48:29,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2018-11-22 21:48:29,941 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 21:48:29,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 21:48:30,048 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 78 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2018-11-22 21:48:30,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 21:48:30,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 701 states to 557 states and 701 transitions. [2018-11-22 21:48:30,579 INFO L276 IsEmpty]: Start isEmpty. Operand 557 states and 701 transitions. [2018-11-22 21:48:30,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2018-11-22 21:48:30,580 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 21:48:30,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 21:48:30,616 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 79 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2018-11-22 21:48:30,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 21:48:30,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 702 states to 558 states and 702 transitions. [2018-11-22 21:48:30,639 INFO L276 IsEmpty]: Start isEmpty. Operand 558 states and 702 transitions. [2018-11-22 21:48:30,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2018-11-22 21:48:30,639 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 21:48:30,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 21:48:30,658 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 90 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2018-11-22 21:48:30,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 21:48:30,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 719 states to 575 states and 719 transitions. [2018-11-22 21:48:30,716 INFO L276 IsEmpty]: Start isEmpty. Operand 575 states and 719 transitions. [2018-11-22 21:48:30,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2018-11-22 21:48:30,717 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 21:48:30,726 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 21:48:30,771 INFO L134 CoverageAnalysis]: Checked inductivity of 122 backedges. 91 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2018-11-22 21:48:30,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 21:48:30,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 720 states to 577 states and 720 transitions. [2018-11-22 21:48:30,908 INFO L276 IsEmpty]: Start isEmpty. Operand 577 states and 720 transitions. [2018-11-22 21:48:30,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2018-11-22 21:48:30,909 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 21:48:30,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 21:48:30,968 INFO L134 CoverageAnalysis]: Checked inductivity of 107 backedges. 107 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 21:48:31,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 21:48:31,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 735 states to 592 states and 735 transitions. [2018-11-22 21:48:31,267 INFO L276 IsEmpty]: Start isEmpty. Operand 592 states and 735 transitions. [2018-11-22 21:48:31,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2018-11-22 21:48:31,268 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 21:48:31,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 21:48:31,307 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 77 trivial. 0 not checked. [2018-11-22 21:48:31,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 21:48:31,383 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 736 states to 594 states and 736 transitions. [2018-11-22 21:48:31,383 INFO L276 IsEmpty]: Start isEmpty. Operand 594 states and 736 transitions. [2018-11-22 21:48:31,384 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2018-11-22 21:48:31,384 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 21:48:31,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 21:48:31,477 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 133 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-11-22 21:48:31,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 21:48:31,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 738 states to 596 states and 738 transitions. [2018-11-22 21:48:31,612 INFO L276 IsEmpty]: Start isEmpty. Operand 596 states and 738 transitions. [2018-11-22 21:48:31,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2018-11-22 21:48:31,613 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 21:48:31,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 21:48:31,704 INFO L134 CoverageAnalysis]: Checked inductivity of 164 backedges. 88 proven. 0 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2018-11-22 21:48:31,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 21:48:31,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 740 states to 597 states and 740 transitions. [2018-11-22 21:48:31,870 INFO L276 IsEmpty]: Start isEmpty. Operand 597 states and 740 transitions. [2018-11-22 21:48:31,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2018-11-22 21:48:31,870 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 21:48:31,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 21:48:31,896 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 90 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-11-22 21:48:31,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 21:48:31,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 744 states to 601 states and 744 transitions. [2018-11-22 21:48:31,916 INFO L276 IsEmpty]: Start isEmpty. Operand 601 states and 744 transitions. [2018-11-22 21:48:31,917 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2018-11-22 21:48:31,917 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 21:48:31,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 21:48:32,001 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 104 proven. 0 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2018-11-22 21:48:32,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 21:48:32,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 746 states to 603 states and 746 transitions. [2018-11-22 21:48:32,045 INFO L276 IsEmpty]: Start isEmpty. Operand 603 states and 746 transitions. [2018-11-22 21:48:32,045 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2018-11-22 21:48:32,045 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 21:48:32,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 21:48:32,092 INFO L134 CoverageAnalysis]: Checked inductivity of 123 backedges. 92 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2018-11-22 21:48:32,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 21:48:32,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 774 states to 630 states and 774 transitions. [2018-11-22 21:48:32,256 INFO L276 IsEmpty]: Start isEmpty. Operand 630 states and 774 transitions. [2018-11-22 21:48:32,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2018-11-22 21:48:32,256 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 21:48:32,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 21:48:32,292 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 93 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-11-22 21:48:32,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 21:48:32,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 789 states to 642 states and 789 transitions. [2018-11-22 21:48:32,461 INFO L276 IsEmpty]: Start isEmpty. Operand 642 states and 789 transitions. [2018-11-22 21:48:32,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2018-11-22 21:48:32,462 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 21:48:32,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 21:48:32,744 INFO L134 CoverageAnalysis]: Checked inductivity of 183 backedges. 152 proven. 9 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-11-22 21:48:33,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 21:48:33,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 817 states to 664 states and 817 transitions. [2018-11-22 21:48:33,865 INFO L276 IsEmpty]: Start isEmpty. Operand 664 states and 817 transitions. [2018-11-22 21:48:33,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2018-11-22 21:48:33,865 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 21:48:33,873 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 21:48:33,890 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 94 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-11-22 21:48:33,967 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 21:48:33,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 822 states to 668 states and 822 transitions. [2018-11-22 21:48:33,967 INFO L276 IsEmpty]: Start isEmpty. Operand 668 states and 822 transitions. [2018-11-22 21:48:33,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2018-11-22 21:48:33,968 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 21:48:33,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 21:48:34,043 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 120 proven. 0 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2018-11-22 21:48:34,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 21:48:34,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 833 states to 680 states and 833 transitions. [2018-11-22 21:48:34,348 INFO L276 IsEmpty]: Start isEmpty. Operand 680 states and 833 transitions. [2018-11-22 21:48:34,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2018-11-22 21:48:34,349 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 21:48:34,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 21:48:34,390 INFO L134 CoverageAnalysis]: Checked inductivity of 137 backedges. 106 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2018-11-22 21:48:34,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 21:48:34,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 862 states to 710 states and 862 transitions. [2018-11-22 21:48:34,715 INFO L276 IsEmpty]: Start isEmpty. Operand 710 states and 862 transitions. [2018-11-22 21:48:34,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2018-11-22 21:48:34,716 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 21:48:34,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 21:48:34,770 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 107 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-11-22 21:48:35,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 21:48:35,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 887 states to 734 states and 887 transitions. [2018-11-22 21:48:35,071 INFO L276 IsEmpty]: Start isEmpty. Operand 734 states and 887 transitions. [2018-11-22 21:48:35,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2018-11-22 21:48:35,071 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 21:48:35,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 21:48:35,113 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 107 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-11-22 21:48:35,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 21:48:35,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 887 states to 735 states and 887 transitions. [2018-11-22 21:48:35,217 INFO L276 IsEmpty]: Start isEmpty. Operand 735 states and 887 transitions. [2018-11-22 21:48:35,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2018-11-22 21:48:35,217 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 21:48:35,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 21:48:35,248 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 100 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2018-11-22 21:48:35,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 21:48:35,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 892 states to 741 states and 892 transitions. [2018-11-22 21:48:35,280 INFO L276 IsEmpty]: Start isEmpty. Operand 741 states and 892 transitions. [2018-11-22 21:48:35,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2018-11-22 21:48:35,280 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 21:48:35,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 21:48:35,320 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 118 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2018-11-22 21:48:35,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 21:48:35,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 924 states to 773 states and 924 transitions. [2018-11-22 21:48:35,429 INFO L276 IsEmpty]: Start isEmpty. Operand 773 states and 924 transitions. [2018-11-22 21:48:35,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2018-11-22 21:48:35,430 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 21:48:35,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 21:48:35,500 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 52 proven. 4 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2018-11-22 21:48:35,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 21:48:35,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 930 states to 778 states and 930 transitions. [2018-11-22 21:48:35,655 INFO L276 IsEmpty]: Start isEmpty. Operand 778 states and 930 transitions. [2018-11-22 21:48:35,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2018-11-22 21:48:35,656 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 21:48:35,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 21:48:35,765 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 52 proven. 4 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2018-11-22 21:48:35,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 21:48:35,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 930 states to 779 states and 930 transitions. [2018-11-22 21:48:35,878 INFO L276 IsEmpty]: Start isEmpty. Operand 779 states and 930 transitions. [2018-11-22 21:48:35,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2018-11-22 21:48:35,878 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 21:48:35,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 21:48:36,020 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 180 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 21:48:36,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 21:48:36,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 969 states to 815 states and 969 transitions. [2018-11-22 21:48:36,716 INFO L276 IsEmpty]: Start isEmpty. Operand 815 states and 969 transitions. [2018-11-22 21:48:36,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2018-11-22 21:48:36,716 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 21:48:36,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 21:48:36,757 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 109 proven. 1 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-11-22 21:48:37,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 21:48:37,081 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 993 states to 838 states and 993 transitions. [2018-11-22 21:48:37,081 INFO L276 IsEmpty]: Start isEmpty. Operand 838 states and 993 transitions. [2018-11-22 21:48:37,082 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2018-11-22 21:48:37,082 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 21:48:37,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 21:48:37,149 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 122 proven. 16 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-11-22 21:48:37,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 21:48:37,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1029 states to 871 states and 1029 transitions. [2018-11-22 21:48:37,660 INFO L276 IsEmpty]: Start isEmpty. Operand 871 states and 1029 transitions. [2018-11-22 21:48:37,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2018-11-22 21:48:37,661 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 21:48:37,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 21:48:37,717 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 122 proven. 16 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-11-22 21:48:37,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 21:48:37,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1032 states to 874 states and 1032 transitions. [2018-11-22 21:48:37,893 INFO L276 IsEmpty]: Start isEmpty. Operand 874 states and 1032 transitions. [2018-11-22 21:48:37,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2018-11-22 21:48:37,894 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 21:48:37,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 21:48:37,921 INFO L134 CoverageAnalysis]: Checked inductivity of 207 backedges. 176 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2018-11-22 21:48:38,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 21:48:38,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1038 states to 878 states and 1038 transitions. [2018-11-22 21:48:38,010 INFO L276 IsEmpty]: Start isEmpty. Operand 878 states and 1038 transitions. [2018-11-22 21:48:38,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2018-11-22 21:48:38,011 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 21:48:38,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 21:48:38,067 INFO L134 CoverageAnalysis]: Checked inductivity of 165 backedges. 134 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2018-11-22 21:48:38,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 21:48:38,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1054 states to 895 states and 1054 transitions. [2018-11-22 21:48:38,186 INFO L276 IsEmpty]: Start isEmpty. Operand 895 states and 1054 transitions. [2018-11-22 21:48:38,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2018-11-22 21:48:38,187 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 21:48:38,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 21:48:38,216 INFO L134 CoverageAnalysis]: Checked inductivity of 196 backedges. 174 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-11-22 21:48:38,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 21:48:38,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1094 states to 933 states and 1094 transitions. [2018-11-22 21:48:38,452 INFO L276 IsEmpty]: Start isEmpty. Operand 933 states and 1094 transitions. [2018-11-22 21:48:38,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2018-11-22 21:48:38,453 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 21:48:38,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 21:48:38,483 INFO L134 CoverageAnalysis]: Checked inductivity of 197 backedges. 146 proven. 0 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2018-11-22 21:48:38,500 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 21:48:38,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1096 states to 936 states and 1096 transitions. [2018-11-22 21:48:38,501 INFO L276 IsEmpty]: Start isEmpty. Operand 936 states and 1096 transitions. [2018-11-22 21:48:38,502 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2018-11-22 21:48:38,502 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 21:48:38,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 21:48:39,072 INFO L134 CoverageAnalysis]: Checked inductivity of 236 backedges. 175 proven. 61 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 21:48:41,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 21:48:41,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1236 states to 1057 states and 1236 transitions. [2018-11-22 21:48:41,555 INFO L276 IsEmpty]: Start isEmpty. Operand 1057 states and 1236 transitions. [2018-11-22 21:48:41,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2018-11-22 21:48:41,556 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 21:48:41,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 21:48:41,711 INFO L134 CoverageAnalysis]: Checked inductivity of 236 backedges. 175 proven. 61 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 21:48:41,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 21:48:41,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1240 states to 1061 states and 1240 transitions. [2018-11-22 21:48:41,971 INFO L276 IsEmpty]: Start isEmpty. Operand 1061 states and 1240 transitions. [2018-11-22 21:48:41,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2018-11-22 21:48:41,971 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 21:48:41,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 21:48:42,108 INFO L134 CoverageAnalysis]: Checked inductivity of 236 backedges. 175 proven. 61 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-22 21:48:42,329 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 21:48:42,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1244 states to 1066 states and 1244 transitions. [2018-11-22 21:48:42,330 INFO L276 IsEmpty]: Start isEmpty. Operand 1066 states and 1244 transitions. [2018-11-22 21:48:42,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2018-11-22 21:48:42,331 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 21:48:42,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 21:48:42,465 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 141 proven. 0 refuted. 0 times theorem prover too weak. 89 trivial. 0 not checked. [2018-11-22 21:48:43,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 21:48:43,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1326 states to 1145 states and 1326 transitions. [2018-11-22 21:48:43,120 INFO L276 IsEmpty]: Start isEmpty. Operand 1145 states and 1326 transitions. [2018-11-22 21:48:43,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 234 [2018-11-22 21:48:43,122 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 21:48:43,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 21:48:43,331 INFO L134 CoverageAnalysis]: Checked inductivity of 273 backedges. 184 proven. 0 refuted. 0 times theorem prover too weak. 89 trivial. 0 not checked. [2018-11-22 21:48:43,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 21:48:43,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1340 states to 1156 states and 1340 transitions. [2018-11-22 21:48:43,833 INFO L276 IsEmpty]: Start isEmpty. Operand 1156 states and 1340 transitions. [2018-11-22 21:48:43,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 261 [2018-11-22 21:48:43,834 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 21:48:43,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 21:48:43,895 INFO L134 CoverageAnalysis]: Checked inductivity of 365 backedges. 276 proven. 0 refuted. 0 times theorem prover too weak. 89 trivial. 0 not checked. [2018-11-22 21:48:44,013 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 21:48:44,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1367 states to 1183 states and 1367 transitions. [2018-11-22 21:48:44,014 INFO L276 IsEmpty]: Start isEmpty. Operand 1183 states and 1367 transitions. [2018-11-22 21:48:44,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 303 [2018-11-22 21:48:44,015 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 21:48:44,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 21:48:44,083 INFO L134 CoverageAnalysis]: Checked inductivity of 450 backedges. 282 proven. 0 refuted. 0 times theorem prover too weak. 168 trivial. 0 not checked. [2018-11-22 21:48:44,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 21:48:44,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1368 states to 1185 states and 1368 transitions. [2018-11-22 21:48:44,274 INFO L276 IsEmpty]: Start isEmpty. Operand 1185 states and 1368 transitions. [2018-11-22 21:48:44,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 314 [2018-11-22 21:48:44,275 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 21:48:44,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 21:48:44,434 INFO L134 CoverageAnalysis]: Checked inductivity of 504 backedges. 404 proven. 6 refuted. 0 times theorem prover too weak. 94 trivial. 0 not checked. [2018-11-22 21:48:44,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 21:48:44,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1424 states to 1238 states and 1424 transitions. [2018-11-22 21:48:44,842 INFO L276 IsEmpty]: Start isEmpty. Operand 1238 states and 1424 transitions. [2018-11-22 21:48:44,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 314 [2018-11-22 21:48:44,844 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-22 21:48:44,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-22 21:48:45,012 INFO L134 CoverageAnalysis]: Checked inductivity of 504 backedges. 404 proven. 6 refuted. 0 times theorem prover too weak. 94 trivial. 0 not checked. [2018-11-22 21:48:45,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-22 21:48:45,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1242 states to 1076 states and 1242 transitions. [2018-11-22 21:48:45,125 INFO L276 IsEmpty]: Start isEmpty. Operand 1076 states and 1242 transitions. [2018-11-22 21:48:45,125 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-22 21:48:45,125 WARN L424 CodeCheckObserver]: This Program is SAFE, Check terminated with 68 iterations. [2018-11-22 21:48:45,131 INFO L775 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-11-22 21:48:47,208 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-22 21:48:47,210 INFO L579 CodeCheckObserver]: Invariant with dag size 14 [2018-11-22 21:48:47,214 INFO L579 CodeCheckObserver]: Invariant with dag size 14 [2018-11-22 21:48:47,215 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 22.11 09:48:47 ImpRootNode [2018-11-22 21:48:47,215 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-22 21:48:47,215 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-22 21:48:47,215 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-22 21:48:47,216 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-22 21:48:47,216 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.11 09:48:21" (3/4) ... [2018-11-22 21:48:47,218 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-22 21:48:47,232 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 109 nodes and edges [2018-11-22 21:48:47,233 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 19 nodes and edges [2018-11-22 21:48:47,234 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 7 nodes and edges [2018-11-22 21:48:47,234 INFO L879 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-22 21:48:47,319 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_721ec333-be1d-488a-9888-37baaf364580/bin-2019/ukojak/witness.graphml [2018-11-22 21:48:47,319 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-22 21:48:47,320 INFO L168 Benchmark]: Toolchain (without parser) took 27736.37 ms. Allocated memory was 1.0 GB in the beginning and 2.1 GB in the end (delta: 1.1 GB). Free memory was 956.6 MB in the beginning and 986.5 MB in the end (delta: -29.9 MB). Peak memory consumption was 1.0 GB. Max. memory is 11.5 GB. [2018-11-22 21:48:47,321 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 982.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-22 21:48:47,322 INFO L168 Benchmark]: CACSL2BoogieTranslator took 384.42 ms. Allocated memory is still 1.0 GB. Free memory was 956.6 MB in the beginning and 927.0 MB in the end (delta: 29.5 MB). Peak memory consumption was 29.5 MB. Max. memory is 11.5 GB. [2018-11-22 21:48:47,322 INFO L168 Benchmark]: Boogie Procedure Inliner took 91.00 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 129.0 MB). Free memory was 927.0 MB in the beginning and 1.1 GB in the end (delta: -195.1 MB). Peak memory consumption was 17.6 MB. Max. memory is 11.5 GB. [2018-11-22 21:48:47,322 INFO L168 Benchmark]: Boogie Preprocessor took 42.01 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-11-22 21:48:47,323 INFO L168 Benchmark]: RCFGBuilder took 1419.57 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 872.3 MB in the end (delta: 244.5 MB). Peak memory consumption was 244.5 MB. Max. memory is 11.5 GB. [2018-11-22 21:48:47,323 INFO L168 Benchmark]: CodeCheck took 25692.27 ms. Allocated memory was 1.2 GB in the beginning and 2.1 GB in the end (delta: 942.7 MB). Free memory was 872.3 MB in the beginning and 986.5 MB in the end (delta: -114.2 MB). Peak memory consumption was 828.4 MB. Max. memory is 11.5 GB. [2018-11-22 21:48:47,323 INFO L168 Benchmark]: Witness Printer took 104.17 ms. Allocated memory is still 2.1 GB. Free memory is still 986.5 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-22 21:48:47,325 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, 23.5s OverallTime, 68 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 538413264 SDtfs, 1115923236 SDslu, -795822880 SDs, 0 SdLazy, -559226024 SolverSat, 1060470836 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 112.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 71968 GetRequests, 70916 SyntacticMatches, 626 SemanticMatches, 426 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 129787 ImplicationChecksByTransitivity, 16.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.2s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 3.6s InterpolantComputationTime, 10934 NumberOfCodeBlocks, 10934 NumberOfCodeBlocksAsserted, 67 NumberOfCheckSat, 10867 ConstructedInterpolants, 0 QuantifiedInterpolants, 4675868 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 67 InterpolantComputations, 54 PerfectInterpolantSequences, 8406/8655 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 == 9)) || a17 == 8) || !(a19 == 1) - InvariantResult [Line: 606]: Loop Invariant Derived loop invariant: (a17 == 8 || (a11 == 1 && !(a17 == 9))) || !(a19 == 1) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 982.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 384.42 ms. Allocated memory is still 1.0 GB. Free memory was 956.6 MB in the beginning and 927.0 MB in the end (delta: 29.5 MB). Peak memory consumption was 29.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 91.00 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 129.0 MB). Free memory was 927.0 MB in the beginning and 1.1 GB in the end (delta: -195.1 MB). Peak memory consumption was 17.6 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 42.01 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: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1419.57 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 872.3 MB in the end (delta: 244.5 MB). Peak memory consumption was 244.5 MB. Max. memory is 11.5 GB. * CodeCheck took 25692.27 ms. Allocated memory was 1.2 GB in the beginning and 2.1 GB in the end (delta: 942.7 MB). Free memory was 872.3 MB in the beginning and 986.5 MB in the end (delta: -114.2 MB). Peak memory consumption was 828.4 MB. Max. memory is 11.5 GB. * Witness Printer took 104.17 ms. Allocated memory is still 2.1 GB. Free memory is still 986.5 MB. There was no memory consumed. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...