./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem01_label08_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_6ba31af4-411a-4e5d-960e-63509e0b7ff9/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_6ba31af4-411a-4e5d-960e-63509e0b7ff9/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_6ba31af4-411a-4e5d-960e-63509e0b7ff9/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_6ba31af4-411a-4e5d-960e-63509e0b7ff9/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem01_label08_true-unreach-call_false-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_6ba31af4-411a-4e5d-960e-63509e0b7ff9/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_6ba31af4-411a-4e5d-960e-63509e0b7ff9/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 16d1e07abe3d8baa61b9a8d494202a7664f873bb ............................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 12:14:59,724 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-02 12:14:59,725 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-02 12:14:59,731 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-02 12:14:59,731 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-02 12:14:59,732 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-02 12:14:59,732 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-02 12:14:59,733 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-02 12:14:59,734 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-02 12:14:59,735 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-02 12:14:59,735 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-02 12:14:59,735 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-02 12:14:59,736 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-02 12:14:59,736 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-02 12:14:59,737 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-02 12:14:59,737 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-02 12:14:59,738 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-02 12:14:59,738 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-02 12:14:59,739 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-02 12:14:59,740 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-02 12:14:59,741 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-02 12:14:59,741 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-02 12:14:59,742 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-02 12:14:59,743 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-02 12:14:59,743 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-02 12:14:59,743 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-02 12:14:59,744 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-02 12:14:59,744 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-02 12:14:59,744 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-02 12:14:59,745 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-02 12:14:59,745 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-02 12:14:59,746 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-02 12:14:59,746 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-02 12:14:59,746 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-02 12:14:59,746 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-02 12:14:59,747 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-02 12:14:59,747 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_6ba31af4-411a-4e5d-960e-63509e0b7ff9/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-12-02 12:14:59,754 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-02 12:14:59,755 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-02 12:14:59,755 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-02 12:14:59,755 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-12-02 12:14:59,756 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-02 12:14:59,756 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-02 12:14:59,756 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-02 12:14:59,756 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-02 12:14:59,756 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-02 12:14:59,756 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-02 12:14:59,756 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-02 12:14:59,756 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-02 12:14:59,756 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-02 12:14:59,756 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-02 12:14:59,757 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-02 12:14:59,757 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-02 12:14:59,757 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-02 12:14:59,757 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-02 12:14:59,757 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-12-02 12:14:59,757 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-12-02 12:14:59,757 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-02 12:14:59,757 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-02 12:14:59,757 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-02 12:14:59,757 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-02 12:14:59,758 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-02 12:14:59,758 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-02 12:14:59,758 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-12-02 12:14:59,758 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-02 12:14:59,758 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-02 12:14:59,758 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_6ba31af4-411a-4e5d-960e-63509e0b7ff9/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 -> 16d1e07abe3d8baa61b9a8d494202a7664f873bb [2018-12-02 12:14:59,775 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-02 12:14:59,781 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-02 12:14:59,783 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-02 12:14:59,784 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-02 12:14:59,784 INFO L276 PluginConnector]: CDTParser initialized [2018-12-02 12:14:59,785 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_6ba31af4-411a-4e5d-960e-63509e0b7ff9/bin-2019/ukojak/../../sv-benchmarks/c/eca-rers2012/Problem01_label08_true-unreach-call_false-termination.c [2018-12-02 12:14:59,822 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_6ba31af4-411a-4e5d-960e-63509e0b7ff9/bin-2019/ukojak/data/360f2a420/71a8b1ddf33649768d221ddd53d48e0e/FLAGf3a2cf27e [2018-12-02 12:15:00,198 INFO L307 CDTParser]: Found 1 translation units. [2018-12-02 12:15:00,199 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_6ba31af4-411a-4e5d-960e-63509e0b7ff9/sv-benchmarks/c/eca-rers2012/Problem01_label08_true-unreach-call_false-termination.c [2018-12-02 12:15:00,206 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_6ba31af4-411a-4e5d-960e-63509e0b7ff9/bin-2019/ukojak/data/360f2a420/71a8b1ddf33649768d221ddd53d48e0e/FLAGf3a2cf27e [2018-12-02 12:15:00,214 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_6ba31af4-411a-4e5d-960e-63509e0b7ff9/bin-2019/ukojak/data/360f2a420/71a8b1ddf33649768d221ddd53d48e0e [2018-12-02 12:15:00,216 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-02 12:15:00,216 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-02 12:15:00,217 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-02 12:15:00,217 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-02 12:15:00,219 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-02 12:15:00,219 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 12:15:00" (1/1) ... [2018-12-02 12:15:00,221 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@6ba821c7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:15:00, skipping insertion in model container [2018-12-02 12:15:00,221 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 02.12 12:15:00" (1/1) ... [2018-12-02 12:15:00,225 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-02 12:15:00,250 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-02 12:15:00,429 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 12:15:00,432 INFO L191 MainTranslator]: Completed pre-run [2018-12-02 12:15:00,518 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-02 12:15:00,528 INFO L195 MainTranslator]: Completed translation [2018-12-02 12:15:00,529 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:15:00 WrapperNode [2018-12-02 12:15:00,529 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-02 12:15:00,529 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-02 12:15:00,529 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-02 12:15:00,529 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-02 12:15:00,535 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:15:00" (1/1) ... [2018-12-02 12:15:00,543 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:15:00" (1/1) ... [2018-12-02 12:15:00,569 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-02 12:15:00,569 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-02 12:15:00,569 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-02 12:15:00,569 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-02 12:15:00,575 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:15:00" (1/1) ... [2018-12-02 12:15:00,576 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:15:00" (1/1) ... [2018-12-02 12:15:00,578 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:15:00" (1/1) ... [2018-12-02 12:15:00,578 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:15:00" (1/1) ... [2018-12-02 12:15:00,587 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:15:00" (1/1) ... [2018-12-02 12:15:00,592 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:15:00" (1/1) ... [2018-12-02 12:15:00,596 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:15:00" (1/1) ... [2018-12-02 12:15:00,599 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-02 12:15:00,599 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-02 12:15:00,600 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-02 12:15:00,600 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-02 12:15:00,600 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 02.12 12:15:00" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_6ba31af4-411a-4e5d-960e-63509e0b7ff9/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 12:15:00,634 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-02 12:15:00,634 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-02 12:15:01,572 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-02 12:15:01,572 INFO L280 CfgBuilder]: Removed 7 assue(true) statements. [2018-12-02 12:15:01,572 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 12:15:01 BoogieIcfgContainer [2018-12-02 12:15:01,573 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-02 12:15:01,573 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-12-02 12:15:01,573 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-12-02 12:15:01,582 INFO L276 PluginConnector]: CodeCheck initialized [2018-12-02 12:15:01,583 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 12:15:01" (1/1) ... [2018-12-02 12:15:01,592 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-02 12:15:01,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 12:15:01,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 76 states and 144 transitions. [2018-12-02 12:15:01,621 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 144 transitions. [2018-12-02 12:15:01,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2018-12-02 12:15:01,623 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 12:15:01,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 12:15:01,804 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 12:15:02,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 12:15:02,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 231 states to 145 states and 231 transitions. [2018-12-02 12:15:02,096 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 231 transitions. [2018-12-02 12:15:02,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2018-12-02 12:15:02,097 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 12:15:02,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 12:15:02,166 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 12:15:02,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 12:15:02,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 309 states to 218 states and 309 transitions. [2018-12-02 12:15:02,536 INFO L276 IsEmpty]: Start isEmpty. Operand 218 states and 309 transitions. [2018-12-02 12:15:02,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2018-12-02 12:15:02,537 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 12:15:02,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 12:15:02,591 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-12-02 12:15:02,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 12:15:02,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 310 states to 219 states and 310 transitions. [2018-12-02 12:15:02,665 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states and 310 transitions. [2018-12-02 12:15:02,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2018-12-02 12:15:02,667 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 12:15:02,676 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 12:15:02,696 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 12:15:02,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 12:15:02,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 334 states to 242 states and 334 transitions. [2018-12-02 12:15:02,820 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 334 transitions. [2018-12-02 12:15:02,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2018-12-02 12:15:02,821 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 12:15:02,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 12:15:02,855 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-12-02 12:15:03,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 12:15:03,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 372 states to 275 states and 372 transitions. [2018-12-02 12:15:03,105 INFO L276 IsEmpty]: Start isEmpty. Operand 275 states and 372 transitions. [2018-12-02 12:15:03,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2018-12-02 12:15:03,109 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 12:15:03,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 12:15:03,138 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 12:15:03,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 12:15:03,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 404 states to 307 states and 404 transitions. [2018-12-02 12:15:03,324 INFO L276 IsEmpty]: Start isEmpty. Operand 307 states and 404 transitions. [2018-12-02 12:15:03,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2018-12-02 12:15:03,325 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 12:15:03,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 12:15:03,400 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 12:15:03,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 12:15:03,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 451 states to 347 states and 451 transitions. [2018-12-02 12:15:03,811 INFO L276 IsEmpty]: Start isEmpty. Operand 347 states and 451 transitions. [2018-12-02 12:15:03,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2018-12-02 12:15:03,812 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 12:15:03,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 12:15:03,860 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-12-02 12:15:04,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 12:15:04,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 470 states to 361 states and 470 transitions. [2018-12-02 12:15:04,093 INFO L276 IsEmpty]: Start isEmpty. Operand 361 states and 470 transitions. [2018-12-02 12:15:04,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2018-12-02 12:15:04,094 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 12:15:04,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 12:15:04,126 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 12:15:04,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 12:15:04,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 477 states to 365 states and 477 transitions. [2018-12-02 12:15:04,256 INFO L276 IsEmpty]: Start isEmpty. Operand 365 states and 477 transitions. [2018-12-02 12:15:04,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2018-12-02 12:15:04,257 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 12:15:04,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 12:15:04,281 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 12:15:04,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 12:15:04,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 500 states to 386 states and 500 transitions. [2018-12-02 12:15:04,483 INFO L276 IsEmpty]: Start isEmpty. Operand 386 states and 500 transitions. [2018-12-02 12:15:04,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2018-12-02 12:15:04,484 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 12:15:04,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 12:15:04,514 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 47 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-12-02 12:15:04,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 12:15:04,562 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 503 states to 388 states and 503 transitions. [2018-12-02 12:15:04,562 INFO L276 IsEmpty]: Start isEmpty. Operand 388 states and 503 transitions. [2018-12-02 12:15:04,563 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2018-12-02 12:15:04,563 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 12:15:04,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 12:15:04,589 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 12:15:04,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 12:15:04,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 511 states to 395 states and 511 transitions. [2018-12-02 12:15:04,650 INFO L276 IsEmpty]: Start isEmpty. Operand 395 states and 511 transitions. [2018-12-02 12:15:04,651 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2018-12-02 12:15:04,651 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 12:15:04,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 12:15:04,738 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2018-12-02 12:15:05,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 12:15:05,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 526 states to 404 states and 526 transitions. [2018-12-02 12:15:05,024 INFO L276 IsEmpty]: Start isEmpty. Operand 404 states and 526 transitions. [2018-12-02 12:15:05,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2018-12-02 12:15:05,025 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 12:15:05,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 12:15:05,118 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 57 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 12:15:05,676 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 12:15:05,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 582 states to 449 states and 582 transitions. [2018-12-02 12:15:05,677 INFO L276 IsEmpty]: Start isEmpty. Operand 449 states and 582 transitions. [2018-12-02 12:15:05,678 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2018-12-02 12:15:05,678 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 12:15:05,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 12:15:05,731 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 57 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 12:15:06,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 12:15:06,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 600 states to 466 states and 600 transitions. [2018-12-02 12:15:06,025 INFO L276 IsEmpty]: Start isEmpty. Operand 466 states and 600 transitions. [2018-12-02 12:15:06,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2018-12-02 12:15:06,026 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 12:15:06,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 12:15:06,074 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 57 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 12:15:06,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 12:15:06,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 602 states to 469 states and 602 transitions. [2018-12-02 12:15:06,171 INFO L276 IsEmpty]: Start isEmpty. Operand 469 states and 602 transitions. [2018-12-02 12:15:06,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2018-12-02 12:15:06,172 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 12:15:06,177 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 12:15:06,265 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2018-12-02 12:15:06,613 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 12:15:06,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 622 states to 483 states and 622 transitions. [2018-12-02 12:15:06,613 INFO L276 IsEmpty]: Start isEmpty. Operand 483 states and 622 transitions. [2018-12-02 12:15:06,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2018-12-02 12:15:06,614 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 12:15:06,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 12:15:06,633 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-12-02 12:15:06,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 12:15:06,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 631 states to 490 states and 631 transitions. [2018-12-02 12:15:06,696 INFO L276 IsEmpty]: Start isEmpty. Operand 490 states and 631 transitions. [2018-12-02 12:15:06,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2018-12-02 12:15:06,696 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 12:15:06,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 12:15:06,715 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-12-02 12:15:06,937 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 12:15:06,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 638 states to 496 states and 638 transitions. [2018-12-02 12:15:06,938 INFO L276 IsEmpty]: Start isEmpty. Operand 496 states and 638 transitions. [2018-12-02 12:15:06,939 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2018-12-02 12:15:06,939 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 12:15:06,946 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 12:15:06,962 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 72 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-12-02 12:15:07,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 12:15:07,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 639 states to 497 states and 639 transitions. [2018-12-02 12:15:07,103 INFO L276 IsEmpty]: Start isEmpty. Operand 497 states and 639 transitions. [2018-12-02 12:15:07,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2018-12-02 12:15:07,104 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 12:15:07,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 12:15:07,165 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 57 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-02 12:15:07,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 12:15:07,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 683 states to 540 states and 683 transitions. [2018-12-02 12:15:07,395 INFO L276 IsEmpty]: Start isEmpty. Operand 540 states and 683 transitions. [2018-12-02 12:15:07,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2018-12-02 12:15:07,395 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 12:15:07,402 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 12:15:07,486 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2018-12-02 12:15:07,711 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 12:15:07,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 692 states to 548 states and 692 transitions. [2018-12-02 12:15:07,711 INFO L276 IsEmpty]: Start isEmpty. Operand 548 states and 692 transitions. [2018-12-02 12:15:07,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2018-12-02 12:15:07,712 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 12:15:07,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 12:15:07,728 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2018-12-02 12:15:07,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 12:15:07,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 710 states to 562 states and 710 transitions. [2018-12-02 12:15:07,981 INFO L276 IsEmpty]: Start isEmpty. Operand 562 states and 710 transitions. [2018-12-02 12:15:07,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2018-12-02 12:15:07,982 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 12:15:07,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 12:15:07,998 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2018-12-02 12:15:08,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 12:15:08,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 713 states to 565 states and 713 transitions. [2018-12-02 12:15:08,127 INFO L276 IsEmpty]: Start isEmpty. Operand 565 states and 713 transitions. [2018-12-02 12:15:08,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2018-12-02 12:15:08,128 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 12:15:08,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 12:15:08,161 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 12:15:08,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 12:15:08,219 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 731 states to 583 states and 731 transitions. [2018-12-02 12:15:08,219 INFO L276 IsEmpty]: Start isEmpty. Operand 583 states and 731 transitions. [2018-12-02 12:15:08,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2018-12-02 12:15:08,220 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 12:15:08,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 12:15:08,274 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 64 proven. 0 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2018-12-02 12:15:08,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 12:15:08,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 758 states to 608 states and 758 transitions. [2018-12-02 12:15:08,592 INFO L276 IsEmpty]: Start isEmpty. Operand 608 states and 758 transitions. [2018-12-02 12:15:08,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2018-12-02 12:15:08,593 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 12:15:08,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 12:15:08,889 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 68 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 12:15:09,995 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 12:15:09,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 828 states to 673 states and 828 transitions. [2018-12-02 12:15:09,995 INFO L276 IsEmpty]: Start isEmpty. Operand 673 states and 828 transitions. [2018-12-02 12:15:09,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2018-12-02 12:15:09,996 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 12:15:10,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 12:15:10,238 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 79 proven. 0 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2018-12-02 12:15:10,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 12:15:10,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 843 states to 687 states and 843 transitions. [2018-12-02 12:15:10,544 INFO L276 IsEmpty]: Start isEmpty. Operand 687 states and 843 transitions. [2018-12-02 12:15:10,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2018-12-02 12:15:10,545 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 12:15:10,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 12:15:11,131 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 68 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-12-02 12:15:13,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 12:15:13,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 903 states to 742 states and 903 transitions. [2018-12-02 12:15:13,778 INFO L276 IsEmpty]: Start isEmpty. Operand 742 states and 903 transitions. [2018-12-02 12:15:13,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2018-12-02 12:15:13,778 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 12:15:13,789 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 12:15:14,116 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 75 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 12:15:15,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 12:15:15,507 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 983 states to 811 states and 983 transitions. [2018-12-02 12:15:15,507 INFO L276 IsEmpty]: Start isEmpty. Operand 811 states and 983 transitions. [2018-12-02 12:15:15,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2018-12-02 12:15:15,508 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 12:15:15,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 12:15:15,537 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 72 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-12-02 12:15:15,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 12:15:15,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1001 states to 829 states and 1001 transitions. [2018-12-02 12:15:15,604 INFO L276 IsEmpty]: Start isEmpty. Operand 829 states and 1001 transitions. [2018-12-02 12:15:15,605 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2018-12-02 12:15:15,605 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 12:15:15,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 12:15:15,668 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2018-12-02 12:15:15,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 12:15:15,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1005 states to 833 states and 1005 transitions. [2018-12-02 12:15:15,761 INFO L276 IsEmpty]: Start isEmpty. Operand 833 states and 1005 transitions. [2018-12-02 12:15:15,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2018-12-02 12:15:15,762 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 12:15:15,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 12:15:15,890 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 81 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 12:15:17,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 12:15:17,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1053 states to 878 states and 1053 transitions. [2018-12-02 12:15:17,221 INFO L276 IsEmpty]: Start isEmpty. Operand 878 states and 1053 transitions. [2018-12-02 12:15:17,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2018-12-02 12:15:17,222 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 12:15:17,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 12:15:17,253 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 81 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 12:15:17,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 12:15:17,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1073 states to 899 states and 1073 transitions. [2018-12-02 12:15:17,471 INFO L276 IsEmpty]: Start isEmpty. Operand 899 states and 1073 transitions. [2018-12-02 12:15:17,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2018-12-02 12:15:17,472 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 12:15:17,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 12:15:17,645 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 81 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-12-02 12:15:18,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 12:15:18,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1123 states to 947 states and 1123 transitions. [2018-12-02 12:15:18,757 INFO L276 IsEmpty]: Start isEmpty. Operand 947 states and 1123 transitions. [2018-12-02 12:15:18,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2018-12-02 12:15:18,759 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 12:15:18,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 12:15:18,822 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 81 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-12-02 12:15:19,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 12:15:19,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1143 states to 968 states and 1143 transitions. [2018-12-02 12:15:19,001 INFO L276 IsEmpty]: Start isEmpty. Operand 968 states and 1143 transitions. [2018-12-02 12:15:19,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2018-12-02 12:15:19,002 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 12:15:19,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 12:15:19,093 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 117 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 12:15:20,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 12:15:20,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1195 states to 1010 states and 1195 transitions. [2018-12-02 12:15:20,086 INFO L276 IsEmpty]: Start isEmpty. Operand 1010 states and 1195 transitions. [2018-12-02 12:15:20,086 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2018-12-02 12:15:20,086 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 12:15:20,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 12:15:20,112 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 120 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 12:15:20,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 12:15:20,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1201 states to 1015 states and 1201 transitions. [2018-12-02 12:15:20,623 INFO L276 IsEmpty]: Start isEmpty. Operand 1015 states and 1201 transitions. [2018-12-02 12:15:20,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2018-12-02 12:15:20,624 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 12:15:20,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 12:15:20,817 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 107 proven. 1 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2018-12-02 12:15:21,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 12:15:21,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1215 states to 1026 states and 1215 transitions. [2018-12-02 12:15:21,432 INFO L276 IsEmpty]: Start isEmpty. Operand 1026 states and 1215 transitions. [2018-12-02 12:15:21,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2018-12-02 12:15:21,432 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 12:15:21,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 12:15:21,473 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 146 trivial. 0 not checked. [2018-12-02 12:15:22,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 12:15:22,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1346 states to 1150 states and 1346 transitions. [2018-12-02 12:15:22,391 INFO L276 IsEmpty]: Start isEmpty. Operand 1150 states and 1346 transitions. [2018-12-02 12:15:22,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2018-12-02 12:15:22,392 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 12:15:22,401 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 12:15:22,420 INFO L134 CoverageAnalysis]: Checked inductivity of 216 backedges. 167 proven. 0 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2018-12-02 12:15:22,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 12:15:22,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1379 states to 1177 states and 1379 transitions. [2018-12-02 12:15:22,819 INFO L276 IsEmpty]: Start isEmpty. Operand 1177 states and 1379 transitions. [2018-12-02 12:15:22,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2018-12-02 12:15:22,820 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 12:15:22,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 12:15:22,872 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 147 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 12:15:23,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 12:15:23,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1388 states to 1181 states and 1388 transitions. [2018-12-02 12:15:23,256 INFO L276 IsEmpty]: Start isEmpty. Operand 1181 states and 1388 transitions. [2018-12-02 12:15:23,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2018-12-02 12:15:23,258 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 12:15:23,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 12:15:23,818 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 109 proven. 32 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 12:15:28,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 12:15:28,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1475 states to 1250 states and 1475 transitions. [2018-12-02 12:15:28,124 INFO L276 IsEmpty]: Start isEmpty. Operand 1250 states and 1475 transitions. [2018-12-02 12:15:28,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2018-12-02 12:15:28,125 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 12:15:28,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 12:15:28,204 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 109 proven. 32 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 12:15:28,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 12:15:28,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1493 states to 1264 states and 1493 transitions. [2018-12-02 12:15:28,926 INFO L276 IsEmpty]: Start isEmpty. Operand 1264 states and 1493 transitions. [2018-12-02 12:15:28,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2018-12-02 12:15:28,927 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 12:15:28,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 12:15:29,014 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 109 proven. 32 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 12:15:29,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 12:15:29,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1507 states to 1278 states and 1507 transitions. [2018-12-02 12:15:29,718 INFO L276 IsEmpty]: Start isEmpty. Operand 1278 states and 1507 transitions. [2018-12-02 12:15:29,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2018-12-02 12:15:29,719 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 12:15:29,732 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 12:15:29,764 INFO L134 CoverageAnalysis]: Checked inductivity of 199 backedges. 170 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-12-02 12:15:30,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 12:15:30,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1552 states to 1317 states and 1552 transitions. [2018-12-02 12:15:30,423 INFO L276 IsEmpty]: Start isEmpty. Operand 1317 states and 1552 transitions. [2018-12-02 12:15:30,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2018-12-02 12:15:30,424 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 12:15:30,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 12:15:30,452 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 153 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 12:15:30,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 12:15:30,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1553 states to 1318 states and 1553 transitions. [2018-12-02 12:15:30,632 INFO L276 IsEmpty]: Start isEmpty. Operand 1318 states and 1553 transitions. [2018-12-02 12:15:30,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2018-12-02 12:15:30,633 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 12:15:30,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 12:15:31,565 INFO L134 CoverageAnalysis]: Checked inductivity of 142 backedges. 124 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-12-02 12:15:33,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 12:15:33,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1563 states to 1328 states and 1563 transitions. [2018-12-02 12:15:33,122 INFO L276 IsEmpty]: Start isEmpty. Operand 1328 states and 1563 transitions. [2018-12-02 12:15:33,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2018-12-02 12:15:33,123 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 12:15:33,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 12:15:33,220 INFO L134 CoverageAnalysis]: Checked inductivity of 142 backedges. 124 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-12-02 12:15:36,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 12:15:36,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1616 states to 1376 states and 1616 transitions. [2018-12-02 12:15:36,080 INFO L276 IsEmpty]: Start isEmpty. Operand 1376 states and 1616 transitions. [2018-12-02 12:15:36,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2018-12-02 12:15:36,081 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 12:15:36,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 12:15:36,139 INFO L134 CoverageAnalysis]: Checked inductivity of 203 backedges. 175 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2018-12-02 12:15:37,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 12:15:37,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1667 states to 1417 states and 1667 transitions. [2018-12-02 12:15:37,463 INFO L276 IsEmpty]: Start isEmpty. Operand 1417 states and 1667 transitions. [2018-12-02 12:15:37,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2018-12-02 12:15:37,464 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 12:15:37,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 12:15:37,496 INFO L134 CoverageAnalysis]: Checked inductivity of 206 backedges. 177 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-12-02 12:15:37,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 12:15:37,610 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1667 states to 1418 states and 1667 transitions. [2018-12-02 12:15:37,610 INFO L276 IsEmpty]: Start isEmpty. Operand 1418 states and 1667 transitions. [2018-12-02 12:15:37,611 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2018-12-02 12:15:37,611 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 12:15:37,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 12:15:37,645 INFO L134 CoverageAnalysis]: Checked inductivity of 212 backedges. 113 proven. 0 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2018-12-02 12:15:37,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 12:15:37,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1683 states to 1435 states and 1683 transitions. [2018-12-02 12:15:37,910 INFO L276 IsEmpty]: Start isEmpty. Operand 1435 states and 1683 transitions. [2018-12-02 12:15:37,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2018-12-02 12:15:37,911 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 12:15:37,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 12:15:37,945 INFO L134 CoverageAnalysis]: Checked inductivity of 161 backedges. 120 proven. 0 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2018-12-02 12:15:38,364 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 12:15:38,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1687 states to 1437 states and 1687 transitions. [2018-12-02 12:15:38,365 INFO L276 IsEmpty]: Start isEmpty. Operand 1437 states and 1687 transitions. [2018-12-02 12:15:38,366 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2018-12-02 12:15:38,366 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 12:15:38,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 12:15:38,398 INFO L134 CoverageAnalysis]: Checked inductivity of 215 backedges. 183 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2018-12-02 12:15:38,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 12:15:38,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1687 states to 1438 states and 1687 transitions. [2018-12-02 12:15:38,629 INFO L276 IsEmpty]: Start isEmpty. Operand 1438 states and 1687 transitions. [2018-12-02 12:15:38,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2018-12-02 12:15:38,630 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 12:15:38,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 12:15:39,370 INFO L134 CoverageAnalysis]: Checked inductivity of 242 backedges. 137 proven. 70 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2018-12-02 12:15:41,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 12:15:41,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1745 states to 1482 states and 1745 transitions. [2018-12-02 12:15:41,121 INFO L276 IsEmpty]: Start isEmpty. Operand 1482 states and 1745 transitions. [2018-12-02 12:15:41,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2018-12-02 12:15:41,122 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 12:15:41,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 12:15:41,999 INFO L134 CoverageAnalysis]: Checked inductivity of 170 backedges. 129 proven. 41 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-02 12:15:46,643 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 12:15:46,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1824 states to 1551 states and 1824 transitions. [2018-12-02 12:15:46,644 INFO L276 IsEmpty]: Start isEmpty. Operand 1551 states and 1824 transitions. [2018-12-02 12:15:46,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2018-12-02 12:15:46,645 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 12:15:46,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 12:15:46,772 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 124 proven. 4 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2018-12-02 12:15:47,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 12:15:47,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1828 states to 1553 states and 1828 transitions. [2018-12-02 12:15:47,078 INFO L276 IsEmpty]: Start isEmpty. Operand 1553 states and 1828 transitions. [2018-12-02 12:15:47,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2018-12-02 12:15:47,079 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 12:15:47,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 12:15:47,209 INFO L134 CoverageAnalysis]: Checked inductivity of 238 backedges. 202 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2018-12-02 12:15:49,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 12:15:49,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1881 states to 1595 states and 1881 transitions. [2018-12-02 12:15:49,010 INFO L276 IsEmpty]: Start isEmpty. Operand 1595 states and 1881 transitions. [2018-12-02 12:15:49,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2018-12-02 12:15:49,011 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 12:15:49,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 12:15:49,046 INFO L134 CoverageAnalysis]: Checked inductivity of 238 backedges. 202 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2018-12-02 12:15:49,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 12:15:49,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1894 states to 1609 states and 1894 transitions. [2018-12-02 12:15:49,216 INFO L276 IsEmpty]: Start isEmpty. Operand 1609 states and 1894 transitions. [2018-12-02 12:15:49,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2018-12-02 12:15:49,217 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 12:15:49,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 12:15:49,258 INFO L134 CoverageAnalysis]: Checked inductivity of 197 backedges. 139 proven. 0 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2018-12-02 12:15:49,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 12:15:49,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1897 states to 1611 states and 1897 transitions. [2018-12-02 12:15:49,539 INFO L276 IsEmpty]: Start isEmpty. Operand 1611 states and 1897 transitions. [2018-12-02 12:15:49,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2018-12-02 12:15:49,540 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 12:15:49,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 12:15:49,640 INFO L134 CoverageAnalysis]: Checked inductivity of 242 backedges. 164 proven. 1 refuted. 0 times theorem prover too weak. 77 trivial. 0 not checked. [2018-12-02 12:15:50,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 12:15:50,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1918 states to 1631 states and 1918 transitions. [2018-12-02 12:15:50,207 INFO L276 IsEmpty]: Start isEmpty. Operand 1631 states and 1918 transitions. [2018-12-02 12:15:50,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2018-12-02 12:15:50,208 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 12:15:50,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 12:15:50,977 INFO L134 CoverageAnalysis]: Checked inductivity of 188 backedges. 184 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-12-02 12:15:51,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 12:15:51,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1920 states to 1632 states and 1920 transitions. [2018-12-02 12:15:51,946 INFO L276 IsEmpty]: Start isEmpty. Operand 1632 states and 1920 transitions. [2018-12-02 12:15:51,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2018-12-02 12:15:51,947 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 12:15:51,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 12:15:52,069 INFO L134 CoverageAnalysis]: Checked inductivity of 188 backedges. 184 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-12-02 12:15:52,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 12:15:52,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1924 states to 1635 states and 1924 transitions. [2018-12-02 12:15:52,586 INFO L276 IsEmpty]: Start isEmpty. Operand 1635 states and 1924 transitions. [2018-12-02 12:15:52,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2018-12-02 12:15:52,588 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 12:15:52,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 12:15:52,719 INFO L134 CoverageAnalysis]: Checked inductivity of 185 backedges. 127 proven. 0 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2018-12-02 12:15:53,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 12:15:53,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1993 states to 1702 states and 1993 transitions. [2018-12-02 12:15:53,772 INFO L276 IsEmpty]: Start isEmpty. Operand 1702 states and 1993 transitions. [2018-12-02 12:15:53,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2018-12-02 12:15:53,773 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 12:15:53,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 12:15:53,819 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 186 trivial. 0 not checked. [2018-12-02 12:15:53,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 12:15:53,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1993 states to 1703 states and 1993 transitions. [2018-12-02 12:15:53,852 INFO L276 IsEmpty]: Start isEmpty. Operand 1703 states and 1993 transitions. [2018-12-02 12:15:53,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209 [2018-12-02 12:15:53,853 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 12:15:53,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 12:15:54,273 INFO L134 CoverageAnalysis]: Checked inductivity of 309 backedges. 214 proven. 0 refuted. 0 times theorem prover too weak. 95 trivial. 0 not checked. [2018-12-02 12:15:56,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 12:15:56,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2009 states to 1712 states and 2009 transitions. [2018-12-02 12:15:56,032 INFO L276 IsEmpty]: Start isEmpty. Operand 1712 states and 2009 transitions. [2018-12-02 12:15:56,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2018-12-02 12:15:56,034 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 12:15:56,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 12:15:56,071 INFO L134 CoverageAnalysis]: Checked inductivity of 244 backedges. 168 proven. 0 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2018-12-02 12:15:56,519 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 12:15:56,520 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2013 states to 1715 states and 2013 transitions. [2018-12-02 12:15:56,520 INFO L276 IsEmpty]: Start isEmpty. Operand 1715 states and 2013 transitions. [2018-12-02 12:15:56,521 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2018-12-02 12:15:56,521 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 12:15:56,531 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 12:15:57,261 INFO L134 CoverageAnalysis]: Checked inductivity of 324 backedges. 235 proven. 41 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2018-12-02 12:16:00,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 12:16:00,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2050 states to 1745 states and 2050 transitions. [2018-12-02 12:16:00,313 INFO L276 IsEmpty]: Start isEmpty. Operand 1745 states and 2050 transitions. [2018-12-02 12:16:00,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 229 [2018-12-02 12:16:00,314 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 12:16:00,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 12:16:00,368 INFO L134 CoverageAnalysis]: Checked inductivity of 266 backedges. 155 proven. 0 refuted. 0 times theorem prover too weak. 111 trivial. 0 not checked. [2018-12-02 12:16:01,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 12:16:01,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2066 states to 1760 states and 2066 transitions. [2018-12-02 12:16:01,205 INFO L276 IsEmpty]: Start isEmpty. Operand 1760 states and 2066 transitions. [2018-12-02 12:16:01,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 229 [2018-12-02 12:16:01,205 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 12:16:01,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 12:16:01,271 INFO L134 CoverageAnalysis]: Checked inductivity of 266 backedges. 155 proven. 0 refuted. 0 times theorem prover too weak. 111 trivial. 0 not checked. [2018-12-02 12:16:01,998 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 12:16:01,999 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2076 states to 1770 states and 2076 transitions. [2018-12-02 12:16:01,999 INFO L276 IsEmpty]: Start isEmpty. Operand 1770 states and 2076 transitions. [2018-12-02 12:16:02,000 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 229 [2018-12-02 12:16:02,000 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 12:16:02,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 12:16:02,065 INFO L134 CoverageAnalysis]: Checked inductivity of 266 backedges. 155 proven. 0 refuted. 0 times theorem prover too weak. 111 trivial. 0 not checked. [2018-12-02 12:16:03,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 12:16:03,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2100 states to 1794 states and 2100 transitions. [2018-12-02 12:16:03,286 INFO L276 IsEmpty]: Start isEmpty. Operand 1794 states and 2100 transitions. [2018-12-02 12:16:03,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 238 [2018-12-02 12:16:03,287 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 12:16:03,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 12:16:05,361 INFO L134 CoverageAnalysis]: Checked inductivity of 309 backedges. 258 proven. 0 refuted. 0 times theorem prover too weak. 51 trivial. 0 not checked. [2018-12-02 12:16:08,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 12:16:08,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2160 states to 1854 states and 2160 transitions. [2018-12-02 12:16:08,917 INFO L276 IsEmpty]: Start isEmpty. Operand 1854 states and 2160 transitions. [2018-12-02 12:16:08,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 243 [2018-12-02 12:16:08,918 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 12:16:08,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 12:16:08,969 INFO L134 CoverageAnalysis]: Checked inductivity of 372 backedges. 170 proven. 0 refuted. 0 times theorem prover too weak. 202 trivial. 0 not checked. [2018-12-02 12:16:09,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 12:16:09,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2233 states to 1924 states and 2233 transitions. [2018-12-02 12:16:09,622 INFO L276 IsEmpty]: Start isEmpty. Operand 1924 states and 2233 transitions. [2018-12-02 12:16:09,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 247 [2018-12-02 12:16:09,624 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 12:16:09,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 12:16:09,693 INFO L134 CoverageAnalysis]: Checked inductivity of 328 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 316 trivial. 0 not checked. [2018-12-02 12:16:09,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 12:16:09,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2236 states to 1928 states and 2236 transitions. [2018-12-02 12:16:09,855 INFO L276 IsEmpty]: Start isEmpty. Operand 1928 states and 2236 transitions. [2018-12-02 12:16:09,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 278 [2018-12-02 12:16:09,856 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 12:16:09,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 12:16:11,124 INFO L134 CoverageAnalysis]: Checked inductivity of 431 backedges. 339 proven. 0 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2018-12-02 12:16:12,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 12:16:12,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2244 states to 1934 states and 2244 transitions. [2018-12-02 12:16:12,746 INFO L276 IsEmpty]: Start isEmpty. Operand 1934 states and 2244 transitions. [2018-12-02 12:16:12,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 278 [2018-12-02 12:16:12,747 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 12:16:12,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 12:16:12,891 INFO L134 CoverageAnalysis]: Checked inductivity of 431 backedges. 339 proven. 0 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2018-12-02 12:16:14,909 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 12:16:14,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2269 states to 1960 states and 2269 transitions. [2018-12-02 12:16:14,910 INFO L276 IsEmpty]: Start isEmpty. Operand 1960 states and 2269 transitions. [2018-12-02 12:16:14,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 284 [2018-12-02 12:16:14,912 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 12:16:14,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 12:16:16,039 INFO L134 CoverageAnalysis]: Checked inductivity of 449 backedges. 345 proven. 0 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2018-12-02 12:16:21,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 12:16:21,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2323 states to 2012 states and 2323 transitions. [2018-12-02 12:16:21,742 INFO L276 IsEmpty]: Start isEmpty. Operand 2012 states and 2323 transitions. [2018-12-02 12:16:21,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 284 [2018-12-02 12:16:21,745 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 12:16:21,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 12:16:21,907 INFO L134 CoverageAnalysis]: Checked inductivity of 449 backedges. 345 proven. 0 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2018-12-02 12:16:22,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 12:16:22,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2336 states to 2026 states and 2336 transitions. [2018-12-02 12:16:22,937 INFO L276 IsEmpty]: Start isEmpty. Operand 2026 states and 2336 transitions. [2018-12-02 12:16:22,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 287 [2018-12-02 12:16:22,938 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 12:16:22,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 12:16:23,118 INFO L134 CoverageAnalysis]: Checked inductivity of 430 backedges. 342 proven. 5 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2018-12-02 12:16:23,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 12:16:23,587 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2337 states to 2028 states and 2337 transitions. [2018-12-02 12:16:23,587 INFO L276 IsEmpty]: Start isEmpty. Operand 2028 states and 2337 transitions. [2018-12-02 12:16:23,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 310 [2018-12-02 12:16:23,588 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 12:16:23,604 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 12:16:24,246 INFO L134 CoverageAnalysis]: Checked inductivity of 596 backedges. 502 proven. 0 refuted. 0 times theorem prover too weak. 94 trivial. 0 not checked. [2018-12-02 12:16:31,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 12:16:31,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2510 states to 2162 states and 2510 transitions. [2018-12-02 12:16:31,392 INFO L276 IsEmpty]: Start isEmpty. Operand 2162 states and 2510 transitions. [2018-12-02 12:16:31,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 314 [2018-12-02 12:16:31,393 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 12:16:31,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 12:16:33,352 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 497 proven. 0 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2018-12-02 12:16:39,546 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 12:16:39,547 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2618 states to 2255 states and 2618 transitions. [2018-12-02 12:16:39,548 INFO L276 IsEmpty]: Start isEmpty. Operand 2255 states and 2618 transitions. [2018-12-02 12:16:39,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 318 [2018-12-02 12:16:39,549 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 12:16:39,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 12:16:40,679 INFO L134 CoverageAnalysis]: Checked inductivity of 569 backedges. 403 proven. 96 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2018-12-02 12:16:52,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 12:16:52,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2688 states to 2317 states and 2688 transitions. [2018-12-02 12:16:52,624 INFO L276 IsEmpty]: Start isEmpty. Operand 2317 states and 2688 transitions. [2018-12-02 12:16:52,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 318 [2018-12-02 12:16:52,625 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 12:16:52,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 12:16:52,797 INFO L134 CoverageAnalysis]: Checked inductivity of 569 backedges. 403 proven. 96 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2018-12-02 12:16:57,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 12:16:57,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2705 states to 2334 states and 2705 transitions. [2018-12-02 12:16:57,235 INFO L276 IsEmpty]: Start isEmpty. Operand 2334 states and 2705 transitions. [2018-12-02 12:16:57,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 326 [2018-12-02 12:16:57,236 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 12:16:57,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 12:16:57,552 INFO L134 CoverageAnalysis]: Checked inductivity of 599 backedges. 424 proven. 104 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2018-12-02 12:16:57,903 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 12:16:57,904 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2710 states to 2338 states and 2710 transitions. [2018-12-02 12:16:57,904 INFO L276 IsEmpty]: Start isEmpty. Operand 2338 states and 2710 transitions. [2018-12-02 12:16:57,905 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 327 [2018-12-02 12:16:57,905 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-02 12:16:57,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-02 12:16:58,424 INFO L134 CoverageAnalysis]: Checked inductivity of 613 backedges. 435 proven. 0 refuted. 0 times theorem prover too weak. 178 trivial. 0 not checked. [2018-12-02 12:17:01,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-02 12:17:01,699 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2629 states to 2259 states and 2629 transitions. [2018-12-02 12:17:01,699 INFO L276 IsEmpty]: Start isEmpty. Operand 2259 states and 2629 transitions. [2018-12-02 12:17:01,700 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-02 12:17:01,700 WARN L428 CodeCheckObserver]: This Program is SAFE, Check terminated with 86 iterations. [2018-12-02 12:17:01,709 INFO L779 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-12-02 12:17:01,835 WARN L180 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 38 [2018-12-02 12:17:01,942 WARN L180 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 38 [2018-12-02 12:17:02,078 WARN L180 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 42 [2018-12-02 12:17:02,307 WARN L180 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 40 [2018-12-02 12:17:02,482 WARN L180 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 39 [2018-12-02 12:17:02,603 WARN L180 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 33 [2018-12-02 12:17:02,758 WARN L180 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 42 [2018-12-02 12:17:02,903 WARN L180 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 42 [2018-12-02 12:17:03,177 WARN L180 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 33 [2018-12-02 12:17:03,349 WARN L180 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 39 [2018-12-02 12:17:03,543 WARN L180 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 42 [2018-12-02 12:17:03,827 WARN L180 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 42 [2018-12-02 12:17:04,011 WARN L180 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 42 [2018-12-02 12:17:04,341 WARN L180 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 39 [2018-12-02 12:17:04,671 WARN L180 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 42 [2018-12-02 12:17:04,772 WARN L180 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 38 [2018-12-02 12:17:04,914 WARN L180 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 40 [2018-12-02 12:17:05,041 WARN L180 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 39 [2018-12-02 12:17:05,535 WARN L180 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 38 [2018-12-02 12:17:05,686 WARN L180 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 38 [2018-12-02 12:17:06,022 WARN L180 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 39 [2018-12-02 12:17:06,223 WARN L180 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 42 [2018-12-02 12:17:06,472 WARN L180 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 39 [2018-12-02 12:17:06,644 WARN L180 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 39 [2018-12-02 12:17:06,777 WARN L180 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 39 [2018-12-02 12:17:07,025 WARN L180 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 38 [2018-12-02 12:17:07,145 WARN L180 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 33 [2018-12-02 12:17:07,517 WARN L180 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 38 [2018-12-02 12:17:07,694 WARN L180 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 38 [2018-12-02 12:17:07,840 WARN L180 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 42 [2018-12-02 12:17:08,175 WARN L180 SmtUtils]: Spent 334.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 71 [2018-12-02 12:17:08,398 WARN L180 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 38 [2018-12-02 12:17:08,510 WARN L180 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 38 [2018-12-02 12:17:08,646 WARN L180 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 40 [2018-12-02 12:17:08,851 WARN L180 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 40 [2018-12-02 12:17:08,994 WARN L180 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 40 [2018-12-02 12:17:09,133 WARN L180 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 39 [2018-12-02 12:17:09,285 WARN L180 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 42 [2018-12-02 12:17:09,285 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-02 12:17:09,287 INFO L583 CodeCheckObserver]: Invariant with dag size 33 [2018-12-02 12:17:09,292 INFO L583 CodeCheckObserver]: Invariant with dag size 33 [2018-12-02 12:17:09,293 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 02.12 12:17:09 ImpRootNode [2018-12-02 12:17:09,293 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-12-02 12:17:09,294 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-02 12:17:09,294 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-02 12:17:09,294 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-02 12:17:09,294 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 02.12 12:15:01" (3/4) ... [2018-12-02 12:17:09,297 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-02 12:17:09,307 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 99 nodes and edges [2018-12-02 12:17:09,308 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2018-12-02 12:17:09,308 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2018-12-02 12:17:09,309 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-02 12:17:09,368 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_6ba31af4-411a-4e5d-960e-63509e0b7ff9/bin-2019/ukojak/witness.graphml [2018-12-02 12:17:09,368 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-02 12:17:09,368 INFO L168 Benchmark]: Toolchain (without parser) took 129152.58 ms. Allocated memory was 1.0 GB in the beginning and 2.1 GB in the end (delta: 1.1 GB). Free memory was 950.6 MB in the beginning and 1.1 GB in the end (delta: -177.3 MB). Peak memory consumption was 935.2 MB. Max. memory is 11.5 GB. [2018-12-02 12:17:09,369 INFO L168 Benchmark]: CDTParser took 0.12 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 12:17:09,369 INFO L168 Benchmark]: CACSL2BoogieTranslator took 312.03 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 95.4 MB). Free memory was 950.6 MB in the beginning and 1.1 GB in the end (delta: -126.7 MB). Peak memory consumption was 38.3 MB. Max. memory is 11.5 GB. [2018-12-02 12:17:09,369 INFO L168 Benchmark]: Boogie Procedure Inliner took 39.74 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 7.2 MB). Peak memory consumption was 7.2 MB. Max. memory is 11.5 GB. [2018-12-02 12:17:09,370 INFO L168 Benchmark]: Boogie Preprocessor took 30.03 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-02 12:17:09,370 INFO L168 Benchmark]: RCFGBuilder took 973.24 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 858.7 MB in the end (delta: 211.5 MB). Peak memory consumption was 211.5 MB. Max. memory is 11.5 GB. [2018-12-02 12:17:09,370 INFO L168 Benchmark]: CodeCheck took 127720.44 ms. Allocated memory was 1.1 GB in the beginning and 2.1 GB in the end (delta: 1.0 GB). Free memory was 858.7 MB in the beginning and 1.2 GB in the end (delta: -293.7 MB). Peak memory consumption was 1.2 GB. Max. memory is 11.5 GB. [2018-12-02 12:17:09,370 INFO L168 Benchmark]: Witness Printer took 74.08 ms. Allocated memory is still 2.1 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 24.4 MB). Peak memory consumption was 24.4 MB. Max. memory is 11.5 GB. [2018-12-02 12:17:09,372 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, 198 locations, 1 error locations. SAFE Result, 120.0s OverallTime, 86 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: -1584905012 SDtfs, 742201394 SDslu, 225814456 SDs, 0 SdLazy, -1558783902 SolverSat, -1689271560 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 254.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 101199 GetRequests, 97615 SyntacticMatches, 2410 SemanticMatches, 1174 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 987096 ImplicationChecksByTransitivity, 104.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.3s SsaConstructionTime, 0.5s SatisfiabilityAnalysisTime, 16.3s InterpolantComputationTime, 15164 NumberOfCodeBlocks, 15164 NumberOfCodeBlocksAsserted, 85 NumberOfCheckSat, 15079 ConstructedInterpolants, 0 QuantifiedInterpolants, 19745009 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 85 InterpolantComputations, 71 PerfectInterpolantSequences, 15352/15910 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: 515]: 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: 577]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 30]: Loop Invariant Derived loop invariant: ((((a8 == 15 || a20 == 1) || !(a7 == 1)) || (((((!(a21 == 1) && a16 == 4) && a8 == 13) && a17 == 1) && a12 == 8) && a20 <= 0)) || (((((a16 == 4 && a8 == 14) && a12 == 8) && a17 <= 0) && a21 == 1) && a20 <= 0)) || (((((a8 == 14 && a12 == 8) && a17 <= 0) && a21 == 1) && a20 <= 0) && a16 == 5) - InvariantResult [Line: 583]: Loop Invariant Derived loop invariant: ((((a20 == 1 || a8 == 15) || !(a7 == 1)) || (((((!(a21 == 1) && a16 == 4) && a8 == 13) && a17 == 1) && a12 == 8) && a20 <= 0)) || (((((a16 == 4 && a8 == 14) && a12 == 8) && a17 <= 0) && a21 == 1) && a20 <= 0)) || (((((a8 == 14 && a12 == 8) && a17 <= 0) && a21 == 1) && a20 <= 0) && a16 == 5) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.12 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 312.03 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 95.4 MB). Free memory was 950.6 MB in the beginning and 1.1 GB in the end (delta: -126.7 MB). Peak memory consumption was 38.3 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 39.74 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 7.2 MB). Peak memory consumption was 7.2 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 30.03 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 973.24 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 858.7 MB in the end (delta: 211.5 MB). Peak memory consumption was 211.5 MB. Max. memory is 11.5 GB. * CodeCheck took 127720.44 ms. Allocated memory was 1.1 GB in the beginning and 2.1 GB in the end (delta: 1.0 GB). Free memory was 858.7 MB in the beginning and 1.2 GB in the end (delta: -293.7 MB). Peak memory consumption was 1.2 GB. Max. memory is 11.5 GB. * Witness Printer took 74.08 ms. Allocated memory is still 2.1 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 24.4 MB). Peak memory consumption was 24.4 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...