./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem01_label25_true-unreach-call_false-termination.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_7cb0245c-6af4-436e-a2d7-5c3f95cced81/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_7cb0245c-6af4-436e-a2d7-5c3f95cced81/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_7cb0245c-6af4-436e-a2d7-5c3f95cced81/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_7cb0245c-6af4-436e-a2d7-5c3f95cced81/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem01_label25_true-unreach-call_false-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_7cb0245c-6af4-436e-a2d7-5c3f95cced81/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_7cb0245c-6af4-436e-a2d7-5c3f95cced81/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 29670da151301b8436a6c7ddafad57f5257b4a8d ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-09 16:11:10,716 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-09 16:11:10,717 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-09 16:11:10,723 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-09 16:11:10,723 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-09 16:11:10,724 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-09 16:11:10,724 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-09 16:11:10,725 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-09 16:11:10,726 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-09 16:11:10,726 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-09 16:11:10,727 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-09 16:11:10,727 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-09 16:11:10,727 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-09 16:11:10,728 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-09 16:11:10,729 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-09 16:11:10,729 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-09 16:11:10,729 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-09 16:11:10,730 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-09 16:11:10,731 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-09 16:11:10,732 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-09 16:11:10,733 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-09 16:11:10,733 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-09 16:11:10,734 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-09 16:11:10,734 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-09 16:11:10,735 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-09 16:11:10,735 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-09 16:11:10,736 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-09 16:11:10,736 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-09 16:11:10,736 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-09 16:11:10,737 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-09 16:11:10,737 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-09 16:11:10,737 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-09 16:11:10,738 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-09 16:11:10,738 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-09 16:11:10,738 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-09 16:11:10,739 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-09 16:11:10,739 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_7cb0245c-6af4-436e-a2d7-5c3f95cced81/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-12-09 16:11:10,746 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-09 16:11:10,746 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-09 16:11:10,747 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-09 16:11:10,747 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-12-09 16:11:10,747 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-09 16:11:10,747 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-09 16:11:10,747 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-09 16:11:10,748 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-09 16:11:10,748 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-09 16:11:10,748 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-09 16:11:10,748 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-09 16:11:10,748 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-09 16:11:10,748 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-09 16:11:10,748 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-09 16:11:10,748 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-09 16:11:10,748 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-09 16:11:10,748 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-09 16:11:10,748 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-09 16:11:10,748 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-12-09 16:11:10,748 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-12-09 16:11:10,749 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-09 16:11:10,749 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-09 16:11:10,749 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-09 16:11:10,749 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-09 16:11:10,749 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-09 16:11:10,749 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-09 16:11:10,749 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-12-09 16:11:10,749 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-09 16:11:10,749 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-09 16:11:10,749 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_7cb0245c-6af4-436e-a2d7-5c3f95cced81/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 -> 29670da151301b8436a6c7ddafad57f5257b4a8d [2018-12-09 16:11:10,767 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-09 16:11:10,776 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-09 16:11:10,779 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-09 16:11:10,780 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-09 16:11:10,780 INFO L276 PluginConnector]: CDTParser initialized [2018-12-09 16:11:10,780 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_7cb0245c-6af4-436e-a2d7-5c3f95cced81/bin-2019/ukojak/../../sv-benchmarks/c/eca-rers2012/Problem01_label25_true-unreach-call_false-termination.c [2018-12-09 16:11:10,817 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_7cb0245c-6af4-436e-a2d7-5c3f95cced81/bin-2019/ukojak/data/224c3f65a/0df4b37e50ba4a8391990c40719312e7/FLAG70fdc0f23 [2018-12-09 16:11:11,263 INFO L307 CDTParser]: Found 1 translation units. [2018-12-09 16:11:11,263 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_7cb0245c-6af4-436e-a2d7-5c3f95cced81/sv-benchmarks/c/eca-rers2012/Problem01_label25_true-unreach-call_false-termination.c [2018-12-09 16:11:11,270 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_7cb0245c-6af4-436e-a2d7-5c3f95cced81/bin-2019/ukojak/data/224c3f65a/0df4b37e50ba4a8391990c40719312e7/FLAG70fdc0f23 [2018-12-09 16:11:11,279 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_7cb0245c-6af4-436e-a2d7-5c3f95cced81/bin-2019/ukojak/data/224c3f65a/0df4b37e50ba4a8391990c40719312e7 [2018-12-09 16:11:11,280 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-09 16:11:11,281 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-09 16:11:11,282 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-09 16:11:11,282 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-09 16:11:11,284 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-09 16:11:11,284 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 04:11:11" (1/1) ... [2018-12-09 16:11:11,286 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 09.12 04:11:11, skipping insertion in model container [2018-12-09 16:11:11,286 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 04:11:11" (1/1) ... [2018-12-09 16:11:11,290 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-09 16:11:11,315 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-09 16:11:11,491 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 16:11:11,494 INFO L191 MainTranslator]: Completed pre-run [2018-12-09 16:11:11,589 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 16:11:11,598 INFO L195 MainTranslator]: Completed translation [2018-12-09 16:11:11,599 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:11:11 WrapperNode [2018-12-09 16:11:11,599 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-09 16:11:11,599 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-09 16:11:11,599 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-09 16:11:11,600 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-09 16:11:11,605 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:11:11" (1/1) ... [2018-12-09 16:11:11,613 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:11:11" (1/1) ... [2018-12-09 16:11:11,638 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-09 16:11:11,638 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-09 16:11:11,638 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-09 16:11:11,638 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-09 16:11:11,645 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:11:11" (1/1) ... [2018-12-09 16:11:11,645 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:11:11" (1/1) ... [2018-12-09 16:11:11,647 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:11:11" (1/1) ... [2018-12-09 16:11:11,647 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:11:11" (1/1) ... [2018-12-09 16:11:11,656 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:11:11" (1/1) ... [2018-12-09 16:11:11,661 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:11:11" (1/1) ... [2018-12-09 16:11:11,664 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:11:11" (1/1) ... [2018-12-09 16:11:11,668 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-09 16:11:11,668 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-09 16:11:11,668 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-09 16:11:11,668 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-09 16:11:11,669 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 04:11:11" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_7cb0245c-6af4-436e-a2d7-5c3f95cced81/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 [2018-12-09 16:11:11,703 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-09 16:11:11,703 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-09 16:11:12,620 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-09 16:11:12,620 INFO L280 CfgBuilder]: Removed 7 assue(true) statements. [2018-12-09 16:11:12,620 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 04:11:12 BoogieIcfgContainer [2018-12-09 16:11:12,620 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-09 16:11:12,621 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-12-09 16:11:12,621 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-12-09 16:11:12,628 INFO L276 PluginConnector]: CodeCheck initialized [2018-12-09 16:11:12,628 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 04:11:12" (1/1) ... [2018-12-09 16:11:12,636 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 16:11:12,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 16:11:12,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 76 states and 144 transitions. [2018-12-09 16:11:12,661 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 144 transitions. [2018-12-09 16:11:12,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2018-12-09 16:11:12,663 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 16:11:12,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 16:11:12,858 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 16:11:13,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 16:11:13,160 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 232 states to 145 states and 232 transitions. [2018-12-09 16:11:13,160 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 232 transitions. [2018-12-09 16:11:13,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2018-12-09 16:11:13,161 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 16:11:13,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 16:11:13,237 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 16:11:13,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 16:11:13,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 146 states and 233 transitions. [2018-12-09 16:11:13,353 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 233 transitions. [2018-12-09 16:11:13,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2018-12-09 16:11:13,354 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 16:11:13,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 16:11:13,385 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 16:11:13,459 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 16:11:13,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 240 states to 150 states and 240 transitions. [2018-12-09 16:11:13,460 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 240 transitions. [2018-12-09 16:11:13,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2018-12-09 16:11:13,461 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 16:11:13,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 16:11:13,506 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 16:11:13,847 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 16:11:13,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 335 states to 219 states and 335 transitions. [2018-12-09 16:11:13,848 INFO L276 IsEmpty]: Start isEmpty. Operand 219 states and 335 transitions. [2018-12-09 16:11:13,848 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2018-12-09 16:11:13,849 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 16:11:13,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 16:11:13,867 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-09 16:11:13,897 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 16:11:13,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 336 states to 220 states and 336 transitions. [2018-12-09 16:11:13,898 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 336 transitions. [2018-12-09 16:11:13,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2018-12-09 16:11:13,901 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 16:11:13,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 16:11:13,925 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-12-09 16:11:14,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 16:11:14,165 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 354 states to 231 states and 354 transitions. [2018-12-09 16:11:14,165 INFO L276 IsEmpty]: Start isEmpty. Operand 231 states and 354 transitions. [2018-12-09 16:11:14,165 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2018-12-09 16:11:14,165 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 16:11:14,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 16:11:14,221 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 16:11:14,652 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 16:11:14,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 374 states to 245 states and 374 transitions. [2018-12-09 16:11:14,652 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states and 374 transitions. [2018-12-09 16:11:14,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2018-12-09 16:11:14,653 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 16:11:14,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 16:11:14,700 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 16:11:15,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 16:11:15,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 396 states to 260 states and 396 transitions. [2018-12-09 16:11:15,093 INFO L276 IsEmpty]: Start isEmpty. Operand 260 states and 396 transitions. [2018-12-09 16:11:15,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2018-12-09 16:11:15,094 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 16:11:15,100 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 16:11:15,110 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 16:11:15,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 16:11:15,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 405 states to 266 states and 405 transitions. [2018-12-09 16:11:15,398 INFO L276 IsEmpty]: Start isEmpty. Operand 266 states and 405 transitions. [2018-12-09 16:11:15,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2018-12-09 16:11:15,398 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 16:11:15,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 16:11:15,438 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 16:11:15,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 16:11:15,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 424 states to 281 states and 424 transitions. [2018-12-09 16:11:15,704 INFO L276 IsEmpty]: Start isEmpty. Operand 281 states and 424 transitions. [2018-12-09 16:11:15,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2018-12-09 16:11:15,705 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 16:11:15,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 16:11:15,744 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-12-09 16:11:16,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 16:11:16,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 443 states to 295 states and 443 transitions. [2018-12-09 16:11:16,227 INFO L276 IsEmpty]: Start isEmpty. Operand 295 states and 443 transitions. [2018-12-09 16:11:16,227 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2018-12-09 16:11:16,227 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 16:11:16,233 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 16:11:16,241 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-12-09 16:11:16,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 16:11:16,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 447 states to 298 states and 447 transitions. [2018-12-09 16:11:16,300 INFO L276 IsEmpty]: Start isEmpty. Operand 298 states and 447 transitions. [2018-12-09 16:11:16,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2018-12-09 16:11:16,301 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 16:11:16,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 16:11:16,314 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-12-09 16:11:16,333 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 16:11:16,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 453 states to 303 states and 453 transitions. [2018-12-09 16:11:16,333 INFO L276 IsEmpty]: Start isEmpty. Operand 303 states and 453 transitions. [2018-12-09 16:11:16,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2018-12-09 16:11:16,334 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 16:11:16,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 16:11:16,347 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 16:11:16,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 16:11:16,458 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 474 states to 322 states and 474 transitions. [2018-12-09 16:11:16,458 INFO L276 IsEmpty]: Start isEmpty. Operand 322 states and 474 transitions. [2018-12-09 16:11:16,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2018-12-09 16:11:16,459 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 16:11:16,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 16:11:16,479 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-09 16:11:16,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 16:11:16,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 482 states to 331 states and 482 transitions. [2018-12-09 16:11:16,692 INFO L276 IsEmpty]: Start isEmpty. Operand 331 states and 482 transitions. [2018-12-09 16:11:16,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2018-12-09 16:11:16,692 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 16:11:16,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 16:11:16,708 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-12-09 16:11:16,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 16:11:16,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 497 states to 344 states and 497 transitions. [2018-12-09 16:11:16,894 INFO L276 IsEmpty]: Start isEmpty. Operand 344 states and 497 transitions. [2018-12-09 16:11:16,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2018-12-09 16:11:16,894 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 16:11:16,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 16:11:16,917 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-12-09 16:11:16,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 16:11:16,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 505 states to 351 states and 505 transitions. [2018-12-09 16:11:16,985 INFO L276 IsEmpty]: Start isEmpty. Operand 351 states and 505 transitions. [2018-12-09 16:11:16,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2018-12-09 16:11:16,985 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 16:11:16,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 16:11:17,001 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-12-09 16:11:17,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 16:11:17,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 507 states to 353 states and 507 transitions. [2018-12-09 16:11:17,025 INFO L276 IsEmpty]: Start isEmpty. Operand 353 states and 507 transitions. [2018-12-09 16:11:17,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2018-12-09 16:11:17,026 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 16:11:17,033 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 16:11:17,089 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-12-09 16:11:17,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 16:11:17,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 530 states to 371 states and 530 transitions. [2018-12-09 16:11:17,544 INFO L276 IsEmpty]: Start isEmpty. Operand 371 states and 530 transitions. [2018-12-09 16:11:17,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2018-12-09 16:11:17,544 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 16:11:17,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 16:11:17,568 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 16:11:17,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 16:11:17,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 603 states to 441 states and 603 transitions. [2018-12-09 16:11:17,895 INFO L276 IsEmpty]: Start isEmpty. Operand 441 states and 603 transitions. [2018-12-09 16:11:17,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2018-12-09 16:11:17,896 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 16:11:17,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 16:11:17,917 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 47 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-12-09 16:11:18,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 16:11:18,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 611 states to 448 states and 611 transitions. [2018-12-09 16:11:18,040 INFO L276 IsEmpty]: Start isEmpty. Operand 448 states and 611 transitions. [2018-12-09 16:11:18,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2018-12-09 16:11:18,041 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 16:11:18,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 16:11:18,055 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 47 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-12-09 16:11:18,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 16:11:18,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 618 states to 456 states and 618 transitions. [2018-12-09 16:11:18,225 INFO L276 IsEmpty]: Start isEmpty. Operand 456 states and 618 transitions. [2018-12-09 16:11:18,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2018-12-09 16:11:18,226 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 16:11:18,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 16:11:18,276 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 46 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-09 16:11:18,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 16:11:18,784 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 641 states to 478 states and 641 transitions. [2018-12-09 16:11:18,784 INFO L276 IsEmpty]: Start isEmpty. Operand 478 states and 641 transitions. [2018-12-09 16:11:18,784 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2018-12-09 16:11:18,785 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 16:11:18,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 16:11:18,813 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-12-09 16:11:19,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 16:11:19,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 698 states to 522 states and 698 transitions. [2018-12-09 16:11:19,981 INFO L276 IsEmpty]: Start isEmpty. Operand 522 states and 698 transitions. [2018-12-09 16:11:19,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2018-12-09 16:11:19,982 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 16:11:19,988 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 16:11:20,002 INFO L134 CoverageAnalysis]: Checked inductivity of 73 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-12-09 16:11:20,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 16:11:20,743 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 742 states to 560 states and 742 transitions. [2018-12-09 16:11:20,743 INFO L276 IsEmpty]: Start isEmpty. Operand 560 states and 742 transitions. [2018-12-09 16:11:20,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2018-12-09 16:11:20,744 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 16:11:20,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 16:11:20,764 INFO L134 CoverageAnalysis]: Checked inductivity of 73 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-12-09 16:11:21,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 16:11:21,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 753 states to 570 states and 753 transitions. [2018-12-09 16:11:21,010 INFO L276 IsEmpty]: Start isEmpty. Operand 570 states and 753 transitions. [2018-12-09 16:11:21,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2018-12-09 16:11:21,011 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 16:11:21,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 16:11:21,092 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 56 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-09 16:11:21,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 16:11:21,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 799 states to 608 states and 799 transitions. [2018-12-09 16:11:21,896 INFO L276 IsEmpty]: Start isEmpty. Operand 608 states and 799 transitions. [2018-12-09 16:11:21,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2018-12-09 16:11:21,897 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 16:11:21,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 16:11:21,969 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 57 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-09 16:11:22,378 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 16:11:22,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 804 states to 611 states and 804 transitions. [2018-12-09 16:11:22,378 INFO L276 IsEmpty]: Start isEmpty. Operand 611 states and 804 transitions. [2018-12-09 16:11:22,379 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2018-12-09 16:11:22,379 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 16:11:22,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 16:11:22,397 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 67 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-09 16:11:23,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 16:11:23,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 843 states to 640 states and 843 transitions. [2018-12-09 16:11:23,375 INFO L276 IsEmpty]: Start isEmpty. Operand 640 states and 843 transitions. [2018-12-09 16:11:23,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2018-12-09 16:11:23,375 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 16:11:23,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 16:11:23,392 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 67 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-09 16:11:23,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 16:11:23,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 846 states to 643 states and 846 transitions. [2018-12-09 16:11:23,482 INFO L276 IsEmpty]: Start isEmpty. Operand 643 states and 846 transitions. [2018-12-09 16:11:23,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2018-12-09 16:11:23,482 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 16:11:23,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 16:11:23,499 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 67 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-09 16:11:23,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 16:11:23,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 856 states to 654 states and 856 transitions. [2018-12-09 16:11:23,700 INFO L276 IsEmpty]: Start isEmpty. Operand 654 states and 856 transitions. [2018-12-09 16:11:23,700 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2018-12-09 16:11:23,701 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 16:11:23,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 16:11:23,728 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 67 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-09 16:11:24,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 16:11:24,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 882 states to 676 states and 882 transitions. [2018-12-09 16:11:24,286 INFO L276 IsEmpty]: Start isEmpty. Operand 676 states and 882 transitions. [2018-12-09 16:11:24,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2018-12-09 16:11:24,287 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 16:11:24,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 16:11:24,411 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 68 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-09 16:11:25,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 16:11:25,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 917 states to 698 states and 917 transitions. [2018-12-09 16:11:25,373 INFO L276 IsEmpty]: Start isEmpty. Operand 698 states and 917 transitions. [2018-12-09 16:11:25,374 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2018-12-09 16:11:25,374 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 16:11:25,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 16:11:25,445 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 77 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-09 16:11:26,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 16:11:26,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 939 states to 714 states and 939 transitions. [2018-12-09 16:11:26,488 INFO L276 IsEmpty]: Start isEmpty. Operand 714 states and 939 transitions. [2018-12-09 16:11:26,488 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2018-12-09 16:11:26,488 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 16:11:26,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 16:11:26,507 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-09 16:11:26,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 16:11:26,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 947 states to 721 states and 947 transitions. [2018-12-09 16:11:26,689 INFO L276 IsEmpty]: Start isEmpty. Operand 721 states and 947 transitions. [2018-12-09 16:11:26,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2018-12-09 16:11:26,690 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 16:11:26,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 16:11:26,709 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 71 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-12-09 16:11:26,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 16:11:26,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 959 states to 733 states and 959 transitions. [2018-12-09 16:11:26,760 INFO L276 IsEmpty]: Start isEmpty. Operand 733 states and 959 transitions. [2018-12-09 16:11:26,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2018-12-09 16:11:26,761 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 16:11:26,767 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 16:11:26,779 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 72 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-12-09 16:11:26,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 16:11:26,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 960 states to 734 states and 960 transitions. [2018-12-09 16:11:26,800 INFO L276 IsEmpty]: Start isEmpty. Operand 734 states and 960 transitions. [2018-12-09 16:11:26,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2018-12-09 16:11:26,801 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 16:11:26,807 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 16:11:26,851 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 73 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-09 16:11:27,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 16:11:27,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 966 states to 739 states and 966 transitions. [2018-12-09 16:11:27,006 INFO L276 IsEmpty]: Start isEmpty. Operand 739 states and 966 transitions. [2018-12-09 16:11:27,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2018-12-09 16:11:27,007 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 16:11:27,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 16:11:27,056 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 73 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-09 16:11:27,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 16:11:27,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 968 states to 741 states and 968 transitions. [2018-12-09 16:11:27,443 INFO L276 IsEmpty]: Start isEmpty. Operand 741 states and 968 transitions. [2018-12-09 16:11:27,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2018-12-09 16:11:27,444 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 16:11:27,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 16:11:27,579 INFO L134 CoverageAnalysis]: Checked inductivity of 111 backedges. 92 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-09 16:11:28,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 16:11:28,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 989 states to 754 states and 989 transitions. [2018-12-09 16:11:28,049 INFO L276 IsEmpty]: Start isEmpty. Operand 754 states and 989 transitions. [2018-12-09 16:11:28,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2018-12-09 16:11:28,050 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 16:11:28,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 16:11:28,626 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 68 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-12-09 16:11:29,407 WARN L180 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 31 [2018-12-09 16:11:30,025 WARN L180 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 34 [2018-12-09 16:11:31,127 WARN L180 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 31 DAG size of output: 29 [2018-12-09 16:11:33,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 16:11:33,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1055 states to 819 states and 1055 transitions. [2018-12-09 16:11:33,157 INFO L276 IsEmpty]: Start isEmpty. Operand 819 states and 1055 transitions. [2018-12-09 16:11:33,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2018-12-09 16:11:33,157 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 16:11:33,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 16:11:33,178 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 94 proven. 1 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2018-12-09 16:11:33,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 16:11:33,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1063 states to 825 states and 1063 transitions. [2018-12-09 16:11:33,618 INFO L276 IsEmpty]: Start isEmpty. Operand 825 states and 1063 transitions. [2018-12-09 16:11:33,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2018-12-09 16:11:33,619 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 16:11:33,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 16:11:33,637 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 79 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-12-09 16:11:33,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 16:11:33,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1070 states to 832 states and 1070 transitions. [2018-12-09 16:11:33,670 INFO L276 IsEmpty]: Start isEmpty. Operand 832 states and 1070 transitions. [2018-12-09 16:11:33,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2018-12-09 16:11:33,671 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 16:11:33,679 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 16:11:33,702 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2018-12-09 16:11:33,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 16:11:33,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1071 states to 834 states and 1071 transitions. [2018-12-09 16:11:33,756 INFO L276 IsEmpty]: Start isEmpty. Operand 834 states and 1071 transitions. [2018-12-09 16:11:33,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2018-12-09 16:11:33,757 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 16:11:33,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 16:11:33,845 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 80 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-12-09 16:11:34,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 16:11:34,682 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1126 states to 883 states and 1126 transitions. [2018-12-09 16:11:34,682 INFO L276 IsEmpty]: Start isEmpty. Operand 883 states and 1126 transitions. [2018-12-09 16:11:34,683 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2018-12-09 16:11:34,683 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 16:11:34,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 16:11:34,702 INFO L134 CoverageAnalysis]: Checked inductivity of 143 backedges. 97 proven. 1 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2018-12-09 16:11:35,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 16:11:35,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1150 states to 900 states and 1150 transitions. [2018-12-09 16:11:35,328 INFO L276 IsEmpty]: Start isEmpty. Operand 900 states and 1150 transitions. [2018-12-09 16:11:35,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2018-12-09 16:11:35,329 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 16:11:35,336 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 16:11:35,350 INFO L134 CoverageAnalysis]: Checked inductivity of 143 backedges. 97 proven. 1 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2018-12-09 16:11:35,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 16:11:35,939 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1162 states to 914 states and 1162 transitions. [2018-12-09 16:11:35,939 INFO L276 IsEmpty]: Start isEmpty. Operand 914 states and 1162 transitions. [2018-12-09 16:11:35,940 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2018-12-09 16:11:35,940 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 16:11:35,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 16:11:35,968 INFO L134 CoverageAnalysis]: Checked inductivity of 143 backedges. 97 proven. 1 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2018-12-09 16:11:36,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 16:11:36,150 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1170 states to 922 states and 1170 transitions. [2018-12-09 16:11:36,150 INFO L276 IsEmpty]: Start isEmpty. Operand 922 states and 1170 transitions. [2018-12-09 16:11:36,151 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2018-12-09 16:11:36,151 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 16:11:36,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 16:11:36,169 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 79 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-12-09 16:11:37,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 16:11:37,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1207 states to 954 states and 1207 transitions. [2018-12-09 16:11:37,351 INFO L276 IsEmpty]: Start isEmpty. Operand 954 states and 1207 transitions. [2018-12-09 16:11:37,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2018-12-09 16:11:37,351 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 16:11:37,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 16:11:37,370 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 79 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-12-09 16:11:37,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 16:11:37,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1214 states to 962 states and 1214 transitions. [2018-12-09 16:11:37,668 INFO L276 IsEmpty]: Start isEmpty. Operand 962 states and 1214 transitions. [2018-12-09 16:11:37,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2018-12-09 16:11:37,668 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 16:11:37,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 16:11:37,687 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 94 proven. 1 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2018-12-09 16:11:37,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 16:11:37,858 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1217 states to 966 states and 1217 transitions. [2018-12-09 16:11:37,858 INFO L276 IsEmpty]: Start isEmpty. Operand 966 states and 1217 transitions. [2018-12-09 16:11:37,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2018-12-09 16:11:37,859 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 16:11:37,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 16:11:38,041 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 81 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-12-09 16:11:39,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 16:11:39,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1287 states to 1035 states and 1287 transitions. [2018-12-09 16:11:39,209 INFO L276 IsEmpty]: Start isEmpty. Operand 1035 states and 1287 transitions. [2018-12-09 16:11:39,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2018-12-09 16:11:39,210 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 16:11:39,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 16:11:39,250 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 100 proven. 0 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2018-12-09 16:11:39,415 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 16:11:39,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1297 states to 1042 states and 1297 transitions. [2018-12-09 16:11:39,416 INFO L276 IsEmpty]: Start isEmpty. Operand 1042 states and 1297 transitions. [2018-12-09 16:11:39,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2018-12-09 16:11:39,417 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 16:11:39,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 16:11:39,446 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 100 proven. 0 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2018-12-09 16:11:39,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 16:11:39,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1301 states to 1047 states and 1301 transitions. [2018-12-09 16:11:39,640 INFO L276 IsEmpty]: Start isEmpty. Operand 1047 states and 1301 transitions. [2018-12-09 16:11:39,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2018-12-09 16:11:39,641 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 16:11:39,650 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 16:11:39,675 INFO L134 CoverageAnalysis]: Checked inductivity of 134 backedges. 96 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2018-12-09 16:11:41,106 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 16:11:41,108 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1318 states to 1062 states and 1318 transitions. [2018-12-09 16:11:41,109 INFO L276 IsEmpty]: Start isEmpty. Operand 1062 states and 1318 transitions. [2018-12-09 16:11:41,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2018-12-09 16:11:41,111 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 16:11:41,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 16:11:41,150 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 93 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-12-09 16:11:41,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 16:11:41,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1327 states to 1071 states and 1327 transitions. [2018-12-09 16:11:41,603 INFO L276 IsEmpty]: Start isEmpty. Operand 1071 states and 1327 transitions. [2018-12-09 16:11:41,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2018-12-09 16:11:41,604 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 16:11:41,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 16:11:41,626 INFO L134 CoverageAnalysis]: Checked inductivity of 178 backedges. 143 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2018-12-09 16:11:42,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 16:11:42,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1345 states to 1084 states and 1345 transitions. [2018-12-09 16:11:42,112 INFO L276 IsEmpty]: Start isEmpty. Operand 1084 states and 1345 transitions. [2018-12-09 16:11:42,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2018-12-09 16:11:42,113 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 16:11:42,121 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 16:11:42,136 INFO L134 CoverageAnalysis]: Checked inductivity of 178 backedges. 143 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2018-12-09 16:11:42,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 16:11:42,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1346 states to 1085 states and 1346 transitions. [2018-12-09 16:11:42,152 INFO L276 IsEmpty]: Start isEmpty. Operand 1085 states and 1346 transitions. [2018-12-09 16:11:42,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2018-12-09 16:11:42,153 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 16:11:42,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 16:11:42,176 INFO L134 CoverageAnalysis]: Checked inductivity of 178 backedges. 143 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2018-12-09 16:11:42,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 16:11:42,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1354 states to 1094 states and 1354 transitions. [2018-12-09 16:11:42,396 INFO L276 IsEmpty]: Start isEmpty. Operand 1094 states and 1354 transitions. [2018-12-09 16:11:42,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2018-12-09 16:11:42,397 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 16:11:42,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 16:11:42,417 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 122 proven. 0 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2018-12-09 16:11:43,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 16:11:43,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1378 states to 1114 states and 1378 transitions. [2018-12-09 16:11:43,218 INFO L276 IsEmpty]: Start isEmpty. Operand 1114 states and 1378 transitions. [2018-12-09 16:11:43,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2018-12-09 16:11:43,218 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 16:11:43,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 16:11:43,241 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 122 proven. 0 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2018-12-09 16:11:43,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 16:11:43,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1383 states to 1119 states and 1383 transitions. [2018-12-09 16:11:43,455 INFO L276 IsEmpty]: Start isEmpty. Operand 1119 states and 1383 transitions. [2018-12-09 16:11:43,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2018-12-09 16:11:43,456 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 16:11:43,469 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 16:11:43,585 INFO L134 CoverageAnalysis]: Checked inductivity of 165 backedges. 143 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-12-09 16:11:45,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 16:11:45,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1405 states to 1133 states and 1405 transitions. [2018-12-09 16:11:45,067 INFO L276 IsEmpty]: Start isEmpty. Operand 1133 states and 1405 transitions. [2018-12-09 16:11:45,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2018-12-09 16:11:45,069 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 16:11:45,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 16:11:45,117 INFO L134 CoverageAnalysis]: Checked inductivity of 165 backedges. 143 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-12-09 16:11:45,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 16:11:45,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1416 states to 1144 states and 1416 transitions. [2018-12-09 16:11:45,491 INFO L276 IsEmpty]: Start isEmpty. Operand 1144 states and 1416 transitions. [2018-12-09 16:11:45,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2018-12-09 16:11:45,492 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 16:11:45,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 16:11:45,517 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 113 proven. 0 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2018-12-09 16:11:45,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 16:11:45,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1431 states to 1157 states and 1431 transitions. [2018-12-09 16:11:45,840 INFO L276 IsEmpty]: Start isEmpty. Operand 1157 states and 1431 transitions. [2018-12-09 16:11:45,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2018-12-09 16:11:45,841 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 16:11:45,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 16:11:45,866 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 150 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-09 16:11:46,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 16:11:46,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1446 states to 1170 states and 1446 transitions. [2018-12-09 16:11:46,093 INFO L276 IsEmpty]: Start isEmpty. Operand 1170 states and 1446 transitions. [2018-12-09 16:11:46,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2018-12-09 16:11:46,094 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 16:11:46,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 16:11:46,197 INFO L134 CoverageAnalysis]: Checked inductivity of 206 backedges. 142 proven. 0 refuted. 0 times theorem prover too weak. 64 trivial. 0 not checked. [2018-12-09 16:11:46,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 16:11:46,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1460 states to 1175 states and 1460 transitions. [2018-12-09 16:11:46,623 INFO L276 IsEmpty]: Start isEmpty. Operand 1175 states and 1460 transitions. [2018-12-09 16:11:46,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2018-12-09 16:11:46,624 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 16:11:46,632 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 16:11:46,649 INFO L134 CoverageAnalysis]: Checked inductivity of 202 backedges. 135 proven. 0 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2018-12-09 16:11:47,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 16:11:47,645 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1490 states to 1204 states and 1490 transitions. [2018-12-09 16:11:47,645 INFO L276 IsEmpty]: Start isEmpty. Operand 1204 states and 1490 transitions. [2018-12-09 16:11:47,646 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2018-12-09 16:11:47,647 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 16:11:47,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 16:11:47,687 INFO L134 CoverageAnalysis]: Checked inductivity of 176 backedges. 157 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-09 16:11:47,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 16:11:47,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1497 states to 1211 states and 1497 transitions. [2018-12-09 16:11:47,728 INFO L276 IsEmpty]: Start isEmpty. Operand 1211 states and 1497 transitions. [2018-12-09 16:11:47,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2018-12-09 16:11:47,729 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 16:11:47,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 16:11:47,753 INFO L134 CoverageAnalysis]: Checked inductivity of 177 backedges. 141 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2018-12-09 16:11:47,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 16:11:47,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1506 states to 1221 states and 1506 transitions. [2018-12-09 16:11:47,790 INFO L276 IsEmpty]: Start isEmpty. Operand 1221 states and 1506 transitions. [2018-12-09 16:11:47,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2018-12-09 16:11:47,791 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 16:11:47,799 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 16:11:47,874 INFO L134 CoverageAnalysis]: Checked inductivity of 232 backedges. 184 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2018-12-09 16:11:48,528 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 16:11:48,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1527 states to 1236 states and 1527 transitions. [2018-12-09 16:11:48,528 INFO L276 IsEmpty]: Start isEmpty. Operand 1236 states and 1527 transitions. [2018-12-09 16:11:48,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2018-12-09 16:11:48,529 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 16:11:48,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 16:11:48,607 INFO L134 CoverageAnalysis]: Checked inductivity of 232 backedges. 184 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2018-12-09 16:11:48,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 16:11:48,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1535 states to 1244 states and 1535 transitions. [2018-12-09 16:11:48,827 INFO L276 IsEmpty]: Start isEmpty. Operand 1244 states and 1535 transitions. [2018-12-09 16:11:48,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2018-12-09 16:11:48,827 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 16:11:48,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 16:11:48,902 INFO L134 CoverageAnalysis]: Checked inductivity of 232 backedges. 184 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2018-12-09 16:11:49,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 16:11:49,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1545 states to 1254 states and 1545 transitions. [2018-12-09 16:11:49,267 INFO L276 IsEmpty]: Start isEmpty. Operand 1254 states and 1545 transitions. [2018-12-09 16:11:49,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2018-12-09 16:11:49,268 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 16:11:49,282 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 16:11:49,353 INFO L134 CoverageAnalysis]: Checked inductivity of 232 backedges. 184 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2018-12-09 16:11:49,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 16:11:49,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1547 states to 1256 states and 1547 transitions. [2018-12-09 16:11:49,584 INFO L276 IsEmpty]: Start isEmpty. Operand 1256 states and 1547 transitions. [2018-12-09 16:11:49,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2018-12-09 16:11:49,584 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 16:11:49,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 16:11:50,262 WARN L180 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 34 [2018-12-09 16:11:50,816 WARN L180 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 33 [2018-12-09 16:11:51,346 WARN L180 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 31 [2018-12-09 16:11:51,750 INFO L134 CoverageAnalysis]: Checked inductivity of 142 backedges. 124 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-12-09 16:11:53,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 16:11:53,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1553 states to 1260 states and 1553 transitions. [2018-12-09 16:11:53,691 INFO L276 IsEmpty]: Start isEmpty. Operand 1260 states and 1553 transitions. [2018-12-09 16:11:53,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2018-12-09 16:11:53,692 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 16:11:53,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 16:11:53,798 INFO L134 CoverageAnalysis]: Checked inductivity of 142 backedges. 124 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-12-09 16:11:54,449 WARN L180 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 35 [2018-12-09 16:11:57,427 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 16:11:57,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1601 states to 1308 states and 1601 transitions. [2018-12-09 16:11:57,431 INFO L276 IsEmpty]: Start isEmpty. Operand 1308 states and 1601 transitions. [2018-12-09 16:11:57,434 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2018-12-09 16:11:57,434 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 16:11:57,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 16:11:57,475 INFO L134 CoverageAnalysis]: Checked inductivity of 205 backedges. 183 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-12-09 16:11:58,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 16:11:58,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1635 states to 1332 states and 1635 transitions. [2018-12-09 16:11:58,750 INFO L276 IsEmpty]: Start isEmpty. Operand 1332 states and 1635 transitions. [2018-12-09 16:11:58,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2018-12-09 16:11:58,751 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 16:11:58,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 16:11:58,780 INFO L134 CoverageAnalysis]: Checked inductivity of 205 backedges. 183 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-12-09 16:11:59,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 16:11:59,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1646 states to 1343 states and 1646 transitions. [2018-12-09 16:11:59,053 INFO L276 IsEmpty]: Start isEmpty. Operand 1343 states and 1646 transitions. [2018-12-09 16:11:59,054 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2018-12-09 16:11:59,054 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 16:11:59,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 16:11:59,082 INFO L134 CoverageAnalysis]: Checked inductivity of 205 backedges. 183 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-12-09 16:11:59,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 16:11:59,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1661 states to 1358 states and 1661 transitions. [2018-12-09 16:11:59,710 INFO L276 IsEmpty]: Start isEmpty. Operand 1358 states and 1661 transitions. [2018-12-09 16:11:59,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2018-12-09 16:11:59,711 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 16:11:59,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 16:11:59,743 INFO L134 CoverageAnalysis]: Checked inductivity of 181 backedges. 135 proven. 1 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2018-12-09 16:11:59,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 16:11:59,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1663 states to 1361 states and 1663 transitions. [2018-12-09 16:11:59,826 INFO L276 IsEmpty]: Start isEmpty. Operand 1361 states and 1663 transitions. [2018-12-09 16:11:59,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2018-12-09 16:11:59,827 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 16:11:59,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 16:11:59,860 INFO L134 CoverageAnalysis]: Checked inductivity of 189 backedges. 145 proven. 0 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2018-12-09 16:12:03,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 16:12:03,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1735 states to 1418 states and 1735 transitions. [2018-12-09 16:12:03,211 INFO L276 IsEmpty]: Start isEmpty. Operand 1418 states and 1735 transitions. [2018-12-09 16:12:03,212 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2018-12-09 16:12:03,212 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 16:12:03,221 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 16:12:03,245 INFO L134 CoverageAnalysis]: Checked inductivity of 189 backedges. 145 proven. 0 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2018-12-09 16:12:06,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 16:12:06,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1757 states to 1438 states and 1757 transitions. [2018-12-09 16:12:06,953 INFO L276 IsEmpty]: Start isEmpty. Operand 1438 states and 1757 transitions. [2018-12-09 16:12:06,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2018-12-09 16:12:06,955 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 16:12:06,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 16:12:06,997 INFO L134 CoverageAnalysis]: Checked inductivity of 189 backedges. 145 proven. 0 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2018-12-09 16:12:07,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 16:12:07,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1764 states to 1446 states and 1764 transitions. [2018-12-09 16:12:07,300 INFO L276 IsEmpty]: Start isEmpty. Operand 1446 states and 1764 transitions. [2018-12-09 16:12:07,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2018-12-09 16:12:07,301 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 16:12:07,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 16:12:07,356 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 116 proven. 4 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2018-12-09 16:12:07,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 16:12:07,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1773 states to 1451 states and 1773 transitions. [2018-12-09 16:12:07,549 INFO L276 IsEmpty]: Start isEmpty. Operand 1451 states and 1773 transitions. [2018-12-09 16:12:07,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 204 [2018-12-09 16:12:07,550 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 16:12:07,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 16:12:07,578 INFO L134 CoverageAnalysis]: Checked inductivity of 223 backedges. 137 proven. 0 refuted. 0 times theorem prover too weak. 86 trivial. 0 not checked. [2018-12-09 16:12:07,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 16:12:07,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1783 states to 1461 states and 1783 transitions. [2018-12-09 16:12:07,943 INFO L276 IsEmpty]: Start isEmpty. Operand 1461 states and 1783 transitions. [2018-12-09 16:12:07,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2018-12-09 16:12:07,944 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 16:12:07,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 16:12:07,980 INFO L134 CoverageAnalysis]: Checked inductivity of 287 backedges. 169 proven. 0 refuted. 0 times theorem prover too weak. 118 trivial. 0 not checked. [2018-12-09 16:12:08,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 16:12:08,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1791 states to 1470 states and 1791 transitions. [2018-12-09 16:12:08,272 INFO L276 IsEmpty]: Start isEmpty. Operand 1470 states and 1791 transitions. [2018-12-09 16:12:08,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2018-12-09 16:12:08,273 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 16:12:08,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 16:12:08,313 INFO L134 CoverageAnalysis]: Checked inductivity of 287 backedges. 169 proven. 0 refuted. 0 times theorem prover too weak. 118 trivial. 0 not checked. [2018-12-09 16:12:08,742 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 16:12:08,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1801 states to 1481 states and 1801 transitions. [2018-12-09 16:12:08,742 INFO L276 IsEmpty]: Start isEmpty. Operand 1481 states and 1801 transitions. [2018-12-09 16:12:08,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2018-12-09 16:12:08,743 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 16:12:08,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 16:12:08,774 INFO L134 CoverageAnalysis]: Checked inductivity of 296 backedges. 181 proven. 0 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2018-12-09 16:12:09,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 16:12:09,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1806 states to 1485 states and 1806 transitions. [2018-12-09 16:12:09,011 INFO L276 IsEmpty]: Start isEmpty. Operand 1485 states and 1806 transitions. [2018-12-09 16:12:09,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209 [2018-12-09 16:12:09,012 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 16:12:09,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 16:12:09,048 INFO L134 CoverageAnalysis]: Checked inductivity of 229 backedges. 158 proven. 0 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2018-12-09 16:12:09,453 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 16:12:09,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1821 states to 1501 states and 1821 transitions. [2018-12-09 16:12:09,453 INFO L276 IsEmpty]: Start isEmpty. Operand 1501 states and 1821 transitions. [2018-12-09 16:12:09,454 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209 [2018-12-09 16:12:09,454 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 16:12:09,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 16:12:09,490 INFO L134 CoverageAnalysis]: Checked inductivity of 229 backedges. 158 proven. 0 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2018-12-09 16:12:09,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 16:12:09,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1832 states to 1514 states and 1832 transitions. [2018-12-09 16:12:09,950 INFO L276 IsEmpty]: Start isEmpty. Operand 1514 states and 1832 transitions. [2018-12-09 16:12:09,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2018-12-09 16:12:09,950 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 16:12:09,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 16:12:10,030 INFO L134 CoverageAnalysis]: Checked inductivity of 229 backedges. 165 proven. 4 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2018-12-09 16:12:12,148 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 16:12:12,149 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1919 states to 1585 states and 1919 transitions. [2018-12-09 16:12:12,149 INFO L276 IsEmpty]: Start isEmpty. Operand 1585 states and 1919 transitions. [2018-12-09 16:12:12,150 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2018-12-09 16:12:12,150 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 16:12:12,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 16:12:12,222 INFO L134 CoverageAnalysis]: Checked inductivity of 229 backedges. 165 proven. 4 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2018-12-09 16:12:15,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 16:12:15,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1950 states to 1612 states and 1950 transitions. [2018-12-09 16:12:15,031 INFO L276 IsEmpty]: Start isEmpty. Operand 1612 states and 1950 transitions. [2018-12-09 16:12:15,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2018-12-09 16:12:15,032 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 16:12:15,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 16:12:15,108 INFO L134 CoverageAnalysis]: Checked inductivity of 229 backedges. 165 proven. 4 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2018-12-09 16:12:15,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 16:12:15,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1957 states to 1620 states and 1957 transitions. [2018-12-09 16:12:15,430 INFO L276 IsEmpty]: Start isEmpty. Operand 1620 states and 1957 transitions. [2018-12-09 16:12:15,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2018-12-09 16:12:15,431 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 16:12:15,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 16:12:15,510 INFO L134 CoverageAnalysis]: Checked inductivity of 229 backedges. 165 proven. 4 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2018-12-09 16:12:16,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 16:12:16,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1982 states to 1640 states and 1982 transitions. [2018-12-09 16:12:16,516 INFO L276 IsEmpty]: Start isEmpty. Operand 1640 states and 1982 transitions. [2018-12-09 16:12:16,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2018-12-09 16:12:16,517 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 16:12:16,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 16:12:16,586 INFO L134 CoverageAnalysis]: Checked inductivity of 229 backedges. 165 proven. 4 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2018-12-09 16:12:16,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 16:12:16,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1989 states to 1648 states and 1989 transitions. [2018-12-09 16:12:16,891 INFO L276 IsEmpty]: Start isEmpty. Operand 1648 states and 1989 transitions. [2018-12-09 16:12:16,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2018-12-09 16:12:16,892 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 16:12:16,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 16:12:17,003 INFO L134 CoverageAnalysis]: Checked inductivity of 229 backedges. 165 proven. 4 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2018-12-09 16:12:17,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 16:12:17,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1994 states to 1652 states and 1994 transitions. [2018-12-09 16:12:17,256 INFO L276 IsEmpty]: Start isEmpty. Operand 1652 states and 1994 transitions. [2018-12-09 16:12:17,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2018-12-09 16:12:17,257 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 16:12:17,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 16:12:17,293 INFO L134 CoverageAnalysis]: Checked inductivity of 406 backedges. 272 proven. 0 refuted. 0 times theorem prover too weak. 134 trivial. 0 not checked. [2018-12-09 16:12:18,145 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 16:12:18,146 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2023 states to 1678 states and 2023 transitions. [2018-12-09 16:12:18,146 INFO L276 IsEmpty]: Start isEmpty. Operand 1678 states and 2023 transitions. [2018-12-09 16:12:18,147 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2018-12-09 16:12:18,147 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 16:12:18,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 16:12:18,227 INFO L134 CoverageAnalysis]: Checked inductivity of 418 backedges. 286 proven. 0 refuted. 0 times theorem prover too weak. 132 trivial. 0 not checked. [2018-12-09 16:12:19,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 16:12:19,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2050 states to 1698 states and 2050 transitions. [2018-12-09 16:12:19,461 INFO L276 IsEmpty]: Start isEmpty. Operand 1698 states and 2050 transitions. [2018-12-09 16:12:19,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2018-12-09 16:12:19,462 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 16:12:19,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 16:12:19,498 INFO L134 CoverageAnalysis]: Checked inductivity of 300 backedges. 257 proven. 0 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2018-12-09 16:12:21,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 16:12:21,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2101 states to 1743 states and 2101 transitions. [2018-12-09 16:12:21,385 INFO L276 IsEmpty]: Start isEmpty. Operand 1743 states and 2101 transitions. [2018-12-09 16:12:21,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 220 [2018-12-09 16:12:21,386 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 16:12:21,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 16:12:21,428 INFO L134 CoverageAnalysis]: Checked inductivity of 292 backedges. 233 proven. 0 refuted. 0 times theorem prover too weak. 59 trivial. 0 not checked. [2018-12-09 16:12:23,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 16:12:23,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2129 states to 1768 states and 2129 transitions. [2018-12-09 16:12:23,323 INFO L276 IsEmpty]: Start isEmpty. Operand 1768 states and 2129 transitions. [2018-12-09 16:12:23,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 220 [2018-12-09 16:12:23,324 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 16:12:23,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 16:12:23,370 INFO L134 CoverageAnalysis]: Checked inductivity of 292 backedges. 233 proven. 0 refuted. 0 times theorem prover too weak. 59 trivial. 0 not checked. [2018-12-09 16:12:23,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 16:12:23,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2133 states to 1773 states and 2133 transitions. [2018-12-09 16:12:23,683 INFO L276 IsEmpty]: Start isEmpty. Operand 1773 states and 2133 transitions. [2018-12-09 16:12:23,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 221 [2018-12-09 16:12:23,684 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 16:12:23,693 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 16:12:23,794 INFO L134 CoverageAnalysis]: Checked inductivity of 439 backedges. 342 proven. 4 refuted. 0 times theorem prover too weak. 93 trivial. 0 not checked. [2018-12-09 16:12:24,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 16:12:24,532 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2158 states to 1792 states and 2158 transitions. [2018-12-09 16:12:24,532 INFO L276 IsEmpty]: Start isEmpty. Operand 1792 states and 2158 transitions. [2018-12-09 16:12:24,533 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 221 [2018-12-09 16:12:24,533 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 16:12:24,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 16:12:24,594 INFO L134 CoverageAnalysis]: Checked inductivity of 242 backedges. 147 proven. 0 refuted. 0 times theorem prover too weak. 95 trivial. 0 not checked. [2018-12-09 16:12:26,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 16:12:26,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2229 states to 1853 states and 2229 transitions. [2018-12-09 16:12:26,039 INFO L276 IsEmpty]: Start isEmpty. Operand 1853 states and 2229 transitions. [2018-12-09 16:12:26,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 221 [2018-12-09 16:12:26,040 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 16:12:26,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 16:12:26,092 INFO L134 CoverageAnalysis]: Checked inductivity of 242 backedges. 147 proven. 0 refuted. 0 times theorem prover too weak. 95 trivial. 0 not checked. [2018-12-09 16:12:26,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 16:12:26,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2243 states to 1868 states and 2243 transitions. [2018-12-09 16:12:26,680 INFO L276 IsEmpty]: Start isEmpty. Operand 1868 states and 2243 transitions. [2018-12-09 16:12:26,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 221 [2018-12-09 16:12:26,681 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 16:12:26,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 16:12:26,732 INFO L134 CoverageAnalysis]: Checked inductivity of 242 backedges. 147 proven. 0 refuted. 0 times theorem prover too weak. 95 trivial. 0 not checked. [2018-12-09 16:12:27,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 16:12:27,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2247 states to 1872 states and 2247 transitions. [2018-12-09 16:12:27,017 INFO L276 IsEmpty]: Start isEmpty. Operand 1872 states and 2247 transitions. [2018-12-09 16:12:27,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2018-12-09 16:12:27,018 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 16:12:27,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 16:12:27,061 INFO L134 CoverageAnalysis]: Checked inductivity of 318 backedges. 190 proven. 0 refuted. 0 times theorem prover too weak. 128 trivial. 0 not checked. [2018-12-09 16:12:27,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 16:12:27,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2283 states to 1905 states and 2283 transitions. [2018-12-09 16:12:27,813 INFO L276 IsEmpty]: Start isEmpty. Operand 1905 states and 2283 transitions. [2018-12-09 16:12:27,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2018-12-09 16:12:27,817 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 16:12:27,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 16:12:27,869 INFO L134 CoverageAnalysis]: Checked inductivity of 318 backedges. 190 proven. 0 refuted. 0 times theorem prover too weak. 128 trivial. 0 not checked. [2018-12-09 16:12:28,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 16:12:28,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2296 states to 1920 states and 2296 transitions. [2018-12-09 16:12:28,232 INFO L276 IsEmpty]: Start isEmpty. Operand 1920 states and 2296 transitions. [2018-12-09 16:12:28,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 228 [2018-12-09 16:12:28,233 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 16:12:28,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 16:12:29,834 INFO L134 CoverageAnalysis]: Checked inductivity of 303 backedges. 272 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2018-12-09 16:12:33,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 16:12:33,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2349 states to 1969 states and 2349 transitions. [2018-12-09 16:12:33,008 INFO L276 IsEmpty]: Start isEmpty. Operand 1969 states and 2349 transitions. [2018-12-09 16:12:33,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2018-12-09 16:12:33,009 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 16:12:33,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 16:12:33,524 INFO L134 CoverageAnalysis]: Checked inductivity of 345 backedges. 276 proven. 4 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2018-12-09 16:12:40,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 16:12:40,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2415 states to 2024 states and 2415 transitions. [2018-12-09 16:12:40,701 INFO L276 IsEmpty]: Start isEmpty. Operand 2024 states and 2415 transitions. [2018-12-09 16:12:40,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 233 [2018-12-09 16:12:40,702 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 16:12:40,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 16:12:40,766 INFO L134 CoverageAnalysis]: Checked inductivity of 323 backedges. 123 proven. 0 refuted. 0 times theorem prover too weak. 200 trivial. 0 not checked. [2018-12-09 16:12:40,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 16:12:40,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2415 states to 2025 states and 2415 transitions. [2018-12-09 16:12:40,812 INFO L276 IsEmpty]: Start isEmpty. Operand 2025 states and 2415 transitions. [2018-12-09 16:12:40,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 233 [2018-12-09 16:12:40,813 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 16:12:40,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 16:12:40,855 INFO L134 CoverageAnalysis]: Checked inductivity of 354 backedges. 245 proven. 0 refuted. 0 times theorem prover too weak. 109 trivial. 0 not checked. [2018-12-09 16:12:43,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 16:12:43,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2426 states to 2035 states and 2426 transitions. [2018-12-09 16:12:43,086 INFO L276 IsEmpty]: Start isEmpty. Operand 2035 states and 2426 transitions. [2018-12-09 16:12:43,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 234 [2018-12-09 16:12:43,087 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 16:12:43,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 16:12:47,918 INFO L134 CoverageAnalysis]: Checked inductivity of 319 backedges. 282 proven. 0 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2018-12-09 16:12:51,607 WARN L180 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 37 [2018-12-09 16:12:54,349 WARN L180 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 44 [2018-12-09 16:12:55,706 WARN L180 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 42 [2018-12-09 16:12:56,816 WARN L180 SmtUtils]: Spent 126.00 ms on a formula simplification that was a NOOP. DAG size: 43 [2018-12-09 16:12:58,116 WARN L180 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 40 [2018-12-09 16:12:58,550 WARN L180 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 41 [2018-12-09 16:13:00,259 WARN L180 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 40 [2018-12-09 16:13:01,038 WARN L180 SmtUtils]: Spent 248.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 42 [2018-12-09 16:13:02,028 WARN L180 SmtUtils]: Spent 120.00 ms on a formula simplification that was a NOOP. DAG size: 43 [2018-12-09 16:13:02,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 16:13:02,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2542 states to 2141 states and 2542 transitions. [2018-12-09 16:13:02,836 INFO L276 IsEmpty]: Start isEmpty. Operand 2141 states and 2542 transitions. [2018-12-09 16:13:02,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 234 [2018-12-09 16:13:02,839 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 16:13:02,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 16:13:02,899 INFO L134 CoverageAnalysis]: Checked inductivity of 275 backedges. 182 proven. 0 refuted. 0 times theorem prover too weak. 93 trivial. 0 not checked. [2018-12-09 16:13:04,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 16:13:04,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2552 states to 2150 states and 2552 transitions. [2018-12-09 16:13:04,685 INFO L276 IsEmpty]: Start isEmpty. Operand 2150 states and 2552 transitions. [2018-12-09 16:13:04,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 234 [2018-12-09 16:13:04,687 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 16:13:04,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 16:13:04,744 INFO L134 CoverageAnalysis]: Checked inductivity of 275 backedges. 182 proven. 0 refuted. 0 times theorem prover too weak. 93 trivial. 0 not checked. [2018-12-09 16:13:07,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 16:13:07,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2563 states to 2163 states and 2563 transitions. [2018-12-09 16:13:07,227 INFO L276 IsEmpty]: Start isEmpty. Operand 2163 states and 2563 transitions. [2018-12-09 16:13:07,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 236 [2018-12-09 16:13:07,229 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 16:13:07,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 16:13:08,939 INFO L134 CoverageAnalysis]: Checked inductivity of 512 backedges. 389 proven. 60 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2018-12-09 16:13:12,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 16:13:12,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2598 states to 2193 states and 2598 transitions. [2018-12-09 16:13:12,516 INFO L276 IsEmpty]: Start isEmpty. Operand 2193 states and 2598 transitions. [2018-12-09 16:13:12,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 237 [2018-12-09 16:13:12,517 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 16:13:12,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 16:13:14,201 INFO L134 CoverageAnalysis]: Checked inductivity of 328 backedges. 259 proven. 0 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2018-12-09 16:13:16,819 WARN L180 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 29 [2018-12-09 16:13:21,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 16:13:21,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2660 states to 2254 states and 2660 transitions. [2018-12-09 16:13:21,505 INFO L276 IsEmpty]: Start isEmpty. Operand 2254 states and 2660 transitions. [2018-12-09 16:13:21,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 237 [2018-12-09 16:13:21,506 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 16:13:21,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 16:13:21,684 INFO L134 CoverageAnalysis]: Checked inductivity of 328 backedges. 259 proven. 0 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2018-12-09 16:13:22,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 16:13:22,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2671 states to 2265 states and 2671 transitions. [2018-12-09 16:13:22,626 INFO L276 IsEmpty]: Start isEmpty. Operand 2265 states and 2671 transitions. [2018-12-09 16:13:22,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 241 [2018-12-09 16:13:22,627 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 16:13:22,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 16:13:22,669 INFO L134 CoverageAnalysis]: Checked inductivity of 397 backedges. 292 proven. 0 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2018-12-09 16:13:22,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 16:13:22,887 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2672 states to 2267 states and 2672 transitions. [2018-12-09 16:13:22,887 INFO L276 IsEmpty]: Start isEmpty. Operand 2267 states and 2672 transitions. [2018-12-09 16:13:22,888 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 242 [2018-12-09 16:13:22,888 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 16:13:22,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 16:13:22,943 INFO L134 CoverageAnalysis]: Checked inductivity of 407 backedges. 226 proven. 0 refuted. 0 times theorem prover too weak. 181 trivial. 0 not checked. [2018-12-09 16:13:23,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 16:13:23,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2749 states to 2343 states and 2749 transitions. [2018-12-09 16:13:23,546 INFO L276 IsEmpty]: Start isEmpty. Operand 2343 states and 2749 transitions. [2018-12-09 16:13:23,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 313 [2018-12-09 16:13:23,547 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 16:13:23,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 16:13:24,191 INFO L134 CoverageAnalysis]: Checked inductivity of 646 backedges. 380 proven. 167 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2018-12-09 16:13:26,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 16:13:26,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2819 states to 2405 states and 2819 transitions. [2018-12-09 16:13:26,841 INFO L276 IsEmpty]: Start isEmpty. Operand 2405 states and 2819 transitions. [2018-12-09 16:13:26,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 313 [2018-12-09 16:13:26,842 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 16:13:26,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 16:13:26,998 INFO L134 CoverageAnalysis]: Checked inductivity of 646 backedges. 380 proven. 167 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2018-12-09 16:13:27,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 16:13:27,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2838 states to 2424 states and 2838 transitions. [2018-12-09 16:13:27,872 INFO L276 IsEmpty]: Start isEmpty. Operand 2424 states and 2838 transitions. [2018-12-09 16:13:27,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 323 [2018-12-09 16:13:27,873 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 16:13:27,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 16:13:27,951 INFO L134 CoverageAnalysis]: Checked inductivity of 666 backedges. 357 proven. 0 refuted. 0 times theorem prover too weak. 309 trivial. 0 not checked. [2018-12-09 16:13:32,545 WARN L180 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 32 DAG size of output: 32 [2018-12-09 16:13:38,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 16:13:38,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2902 states to 2486 states and 2902 transitions. [2018-12-09 16:13:38,067 INFO L276 IsEmpty]: Start isEmpty. Operand 2486 states and 2902 transitions. [2018-12-09 16:13:38,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 328 [2018-12-09 16:13:38,068 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 16:13:38,082 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 16:13:38,265 INFO L134 CoverageAnalysis]: Checked inductivity of 642 backedges. 412 proven. 0 refuted. 0 times theorem prover too weak. 230 trivial. 0 not checked. [2018-12-09 16:13:38,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 16:13:38,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2911 states to 2496 states and 2911 transitions. [2018-12-09 16:13:38,768 INFO L276 IsEmpty]: Start isEmpty. Operand 2496 states and 2911 transitions. [2018-12-09 16:13:38,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 333 [2018-12-09 16:13:38,770 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 16:13:38,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 16:13:41,693 WARN L180 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 27 [2018-12-09 16:13:42,805 INFO L134 CoverageAnalysis]: Checked inductivity of 726 backedges. 611 proven. 0 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2018-12-09 16:14:07,239 WARN L180 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 33 [2018-12-09 16:14:09,686 WARN L180 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 32 DAG size of output: 32 [2018-12-09 16:14:11,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 16:14:11,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2909 states to 2469 states and 2909 transitions. [2018-12-09 16:14:11,852 INFO L276 IsEmpty]: Start isEmpty. Operand 2469 states and 2909 transitions. [2018-12-09 16:14:11,855 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-09 16:14:11,855 WARN L428 CodeCheckObserver]: This Program is SAFE, Check terminated with 124 iterations. [2018-12-09 16:14:11,868 INFO L779 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-12-09 16:14:12,224 WARN L180 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 36 [2018-12-09 16:14:12,437 WARN L180 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 34 [2018-12-09 16:14:12,596 WARN L180 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 33 [2018-12-09 16:14:12,709 WARN L180 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 24 [2018-12-09 16:14:12,911 WARN L180 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 36 [2018-12-09 16:14:13,088 WARN L180 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 36 [2018-12-09 16:14:13,255 WARN L180 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 24 [2018-12-09 16:14:13,361 WARN L180 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 33 [2018-12-09 16:14:13,499 WARN L180 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 36 [2018-12-09 16:14:13,725 WARN L180 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 36 [2018-12-09 16:14:13,944 WARN L180 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 36 [2018-12-09 16:14:14,326 WARN L180 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 36 [2018-12-09 16:14:14,530 WARN L180 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 34 [2018-12-09 16:14:14,646 WARN L180 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 33 [2018-12-09 16:14:15,424 WARN L180 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 33 [2018-12-09 16:14:15,606 WARN L180 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 36 [2018-12-09 16:14:15,805 WARN L180 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 33 [2018-12-09 16:14:15,986 WARN L180 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 33 [2018-12-09 16:14:16,113 WARN L180 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 33 [2018-12-09 16:14:16,325 WARN L180 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 29 [2018-12-09 16:14:16,435 WARN L180 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 24 [2018-12-09 16:14:16,980 WARN L180 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 36 [2018-12-09 16:14:17,214 WARN L180 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 58 [2018-12-09 16:14:17,621 WARN L180 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 34 [2018-12-09 16:14:17,770 WARN L180 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 34 [2018-12-09 16:14:17,896 WARN L180 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 34 [2018-12-09 16:14:18,155 WARN L180 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 36 [2018-12-09 16:14:18,170 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-09 16:14:18,172 INFO L583 CodeCheckObserver]: Invariant with dag size 24 [2018-12-09 16:14:18,177 INFO L583 CodeCheckObserver]: Invariant with dag size 24 [2018-12-09 16:14:18,177 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 09.12 04:14:18 ImpRootNode [2018-12-09 16:14:18,177 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-12-09 16:14:18,178 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-09 16:14:18,178 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-09 16:14:18,178 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-09 16:14:18,178 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 04:11:12" (3/4) ... [2018-12-09 16:14:18,180 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-09 16:14:18,190 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 99 nodes and edges [2018-12-09 16:14:18,191 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 18 nodes and edges [2018-12-09 16:14:18,191 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2018-12-09 16:14:18,191 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-12-09 16:14:18,250 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_7cb0245c-6af4-436e-a2d7-5c3f95cced81/bin-2019/ukojak/witness.graphml [2018-12-09 16:14:18,250 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-09 16:14:18,251 INFO L168 Benchmark]: Toolchain (without parser) took 186970.09 ms. Allocated memory was 1.0 GB in the beginning and 2.1 GB in the end (delta: 1.0 GB). Free memory was 950.6 MB in the beginning and 859.0 MB in the end (delta: 91.7 MB). Peak memory consumption was 1.1 GB. Max. memory is 11.5 GB. [2018-12-09 16:14:18,251 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 982.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 16:14:18,251 INFO L168 Benchmark]: CACSL2BoogieTranslator took 317.38 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 144.7 MB). Free memory was 950.6 MB in the beginning and 1.1 GB in the end (delta: -176.4 MB). Peak memory consumption was 43.6 MB. Max. memory is 11.5 GB. [2018-12-09 16:14:18,251 INFO L168 Benchmark]: Boogie Procedure Inliner took 38.73 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 11.5 GB. [2018-12-09 16:14:18,251 INFO L168 Benchmark]: Boogie Preprocessor took 29.51 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-09 16:14:18,252 INFO L168 Benchmark]: RCFGBuilder took 952.34 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 907.0 MB in the end (delta: 213.0 MB). Peak memory consumption was 213.0 MB. Max. memory is 11.5 GB. [2018-12-09 16:14:18,252 INFO L168 Benchmark]: CodeCheck took 185556.83 ms. Allocated memory was 1.2 GB in the beginning and 2.1 GB in the end (delta: 877.7 MB). Free memory was 907.0 MB in the beginning and 880.9 MB in the end (delta: 26.1 MB). Peak memory consumption was 1.1 GB. Max. memory is 11.5 GB. [2018-12-09 16:14:18,252 INFO L168 Benchmark]: Witness Printer took 72.57 ms. Allocated memory is still 2.1 GB. Free memory was 880.9 MB in the beginning and 859.0 MB in the end (delta: 21.9 MB). Peak memory consumption was 21.9 MB. Max. memory is 11.5 GB. [2018-12-09 16:14:18,253 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, 179.2s OverallTime, 124 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 2062076112 SDtfs, -604163898 SDslu, -512723748 SDs, 0 SdLazy, -1048224628 SolverSat, -583365270 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 417.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 142051 GetRequests, 139322 SyntacticMatches, 1325 SemanticMatches, 1404 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1364107 ImplicationChecksByTransitivity, 160.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.4s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 19.9s InterpolantComputationTime, 20907 NumberOfCodeBlocks, 20907 NumberOfCodeBlocksAsserted, 123 NumberOfCheckSat, 20784 ConstructedInterpolants, 0 QuantifiedInterpolants, 14593175 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 123 InterpolantComputations, 104 PerfectInterpolantSequences, 22629/23067 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: 533]: 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: (!(a7 == 1) || !(a16 == 6)) || ((((!(a21 == 1) && a8 == 13) && a12 == 8) && a17 <= 0) && a20 == 1) - InvariantResult [Line: 583]: Loop Invariant Derived loop invariant: (!(a7 == 1) || !(a16 == 6)) || ((((!(a21 == 1) && a8 == 13) && a12 == 8) && a17 <= 0) && a20 == 1) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 982.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 317.38 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 144.7 MB). Free memory was 950.6 MB in the beginning and 1.1 GB in the end (delta: -176.4 MB). Peak memory consumption was 43.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 38.73 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 29.51 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 952.34 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 907.0 MB in the end (delta: 213.0 MB). Peak memory consumption was 213.0 MB. Max. memory is 11.5 GB. * CodeCheck took 185556.83 ms. Allocated memory was 1.2 GB in the beginning and 2.1 GB in the end (delta: 877.7 MB). Free memory was 907.0 MB in the beginning and 880.9 MB in the end (delta: 26.1 MB). Peak memory consumption was 1.1 GB. Max. memory is 11.5 GB. * Witness Printer took 72.57 ms. Allocated memory is still 2.1 GB. Free memory was 880.9 MB in the beginning and 859.0 MB in the end (delta: 21.9 MB). Peak memory consumption was 21.9 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...