./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem01_label08_true-unreach-call_false-termination.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 1dbac8bc Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_eeb6916f-76cb-4894-aa56-d6a7f14479b5/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_eeb6916f-76cb-4894-aa56-d6a7f14479b5/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_eeb6916f-76cb-4894-aa56-d6a7f14479b5/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_eeb6916f-76cb-4894-aa56-d6a7f14479b5/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem01_label08_true-unreach-call_false-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_eeb6916f-76cb-4894-aa56-d6a7f14479b5/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_eeb6916f-76cb-4894-aa56-d6a7f14479b5/bin-2019/ukojak --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Kojak --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash 16d1e07abe3d8baa61b9a8d494202a7664f873bb .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-1dbac8b [2018-10-27 00:16:37,675 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-27 00:16:37,676 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-27 00:16:37,684 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-27 00:16:37,684 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-27 00:16:37,685 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-27 00:16:37,686 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-27 00:16:37,687 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-27 00:16:37,690 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-27 00:16:37,691 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-27 00:16:37,692 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-27 00:16:37,692 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-27 00:16:37,692 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-27 00:16:37,693 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-27 00:16:37,694 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-27 00:16:37,694 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-27 00:16:37,695 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-27 00:16:37,696 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-27 00:16:37,703 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-27 00:16:37,705 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-27 00:16:37,705 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-27 00:16:37,706 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-27 00:16:37,708 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-27 00:16:37,708 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-27 00:16:37,708 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-27 00:16:37,708 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-27 00:16:37,709 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-27 00:16:37,711 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-27 00:16:37,712 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-27 00:16:37,712 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-27 00:16:37,713 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-27 00:16:37,713 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-27 00:16:37,713 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-27 00:16:37,713 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-27 00:16:37,714 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-27 00:16:37,715 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-27 00:16:37,715 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_eeb6916f-76cb-4894-aa56-d6a7f14479b5/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-10-27 00:16:37,728 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-27 00:16:37,728 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-27 00:16:37,729 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-27 00:16:37,729 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-10-27 00:16:37,729 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-10-27 00:16:37,730 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-10-27 00:16:37,731 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-27 00:16:37,732 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-27 00:16:37,737 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-27 00:16:37,737 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-27 00:16:37,738 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-27 00:16:37,738 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-27 00:16:37,738 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-27 00:16:37,738 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-27 00:16:37,738 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-27 00:16:37,738 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-27 00:16:37,738 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-27 00:16:37,739 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-10-27 00:16:37,739 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-10-27 00:16:37,739 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-27 00:16:37,739 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-27 00:16:37,739 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-10-27 00:16:37,739 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-27 00:16:37,739 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-27 00:16:37,740 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-27 00:16:37,740 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-10-27 00:16:37,740 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-27 00:16:37,740 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-27 00:16:37,740 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_eeb6916f-76cb-4894-aa56-d6a7f14479b5/bin-2019/ukojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Kojak Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> 16d1e07abe3d8baa61b9a8d494202a7664f873bb [2018-10-27 00:16:37,770 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-27 00:16:37,778 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-27 00:16:37,781 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-27 00:16:37,782 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-27 00:16:37,783 INFO L276 PluginConnector]: CDTParser initialized [2018-10-27 00:16:37,783 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_eeb6916f-76cb-4894-aa56-d6a7f14479b5/bin-2019/ukojak/../../sv-benchmarks/c/eca-rers2012/Problem01_label08_true-unreach-call_false-termination.c [2018-10-27 00:16:37,829 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_eeb6916f-76cb-4894-aa56-d6a7f14479b5/bin-2019/ukojak/data/cf40f2042/e461c11d400341a1b0f2d31e41f08d93/FLAG8dee2dadd [2018-10-27 00:16:38,259 INFO L298 CDTParser]: Found 1 translation units. [2018-10-27 00:16:38,265 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_eeb6916f-76cb-4894-aa56-d6a7f14479b5/sv-benchmarks/c/eca-rers2012/Problem01_label08_true-unreach-call_false-termination.c [2018-10-27 00:16:38,274 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_eeb6916f-76cb-4894-aa56-d6a7f14479b5/bin-2019/ukojak/data/cf40f2042/e461c11d400341a1b0f2d31e41f08d93/FLAG8dee2dadd [2018-10-27 00:16:38,285 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_eeb6916f-76cb-4894-aa56-d6a7f14479b5/bin-2019/ukojak/data/cf40f2042/e461c11d400341a1b0f2d31e41f08d93 [2018-10-27 00:16:38,288 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-27 00:16:38,289 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-10-27 00:16:38,290 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-27 00:16:38,290 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-27 00:16:38,293 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-27 00:16:38,294 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 12:16:38" (1/1) ... [2018-10-27 00:16:38,302 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@267e2a0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:16:38, skipping insertion in model container [2018-10-27 00:16:38,302 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 12:16:38" (1/1) ... [2018-10-27 00:16:38,309 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-27 00:16:38,352 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-27 00:16:38,625 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-27 00:16:38,629 INFO L189 MainTranslator]: Completed pre-run [2018-10-27 00:16:38,752 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-27 00:16:38,764 INFO L193 MainTranslator]: Completed translation [2018-10-27 00:16:38,768 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:16:38 WrapperNode [2018-10-27 00:16:38,768 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-27 00:16:38,769 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-27 00:16:38,769 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-27 00:16:38,769 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-27 00:16:38,777 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:16:38" (1/1) ... [2018-10-27 00:16:38,796 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:16:38" (1/1) ... [2018-10-27 00:16:38,845 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-27 00:16:38,850 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-27 00:16:38,850 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-27 00:16:38,850 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-27 00:16:38,945 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:16:38" (1/1) ... [2018-10-27 00:16:38,946 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:16:38" (1/1) ... [2018-10-27 00:16:38,948 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:16:38" (1/1) ... [2018-10-27 00:16:38,958 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:16:38" (1/1) ... [2018-10-27 00:16:38,983 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:16:38" (1/1) ... [2018-10-27 00:16:38,990 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:16:38" (1/1) ... [2018-10-27 00:16:38,999 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:16:38" (1/1) ... [2018-10-27 00:16:39,005 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-27 00:16:39,006 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-27 00:16:39,006 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-27 00:16:39,006 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-27 00:16:39,006 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 12:16:38" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_eeb6916f-76cb-4894-aa56-d6a7f14479b5/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 [2018-10-27 00:16:39,057 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-10-27 00:16:39,058 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-27 00:16:39,058 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-27 00:16:42,583 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-27 00:16:42,584 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 12:16:42 BoogieIcfgContainer [2018-10-27 00:16:42,584 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-27 00:16:42,585 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-10-27 00:16:42,585 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-10-27 00:16:42,600 INFO L276 PluginConnector]: CodeCheck initialized [2018-10-27 00:16:42,600 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 12:16:42" (1/1) ... [2018-10-27 00:16:42,616 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 00:16:42,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:16:42,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 77 states and 146 transitions. [2018-10-27 00:16:42,653 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 146 transitions. [2018-10-27 00:16:42,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2018-10-27 00:16:42,658 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:16:42,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:16:43,048 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 00:16:43,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:16:43,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 233 states to 147 states and 233 transitions. [2018-10-27 00:16:43,875 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 233 transitions. [2018-10-27 00:16:43,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2018-10-27 00:16:43,877 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:16:43,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:16:44,021 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-10-27 00:16:44,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:16:44,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 313 states to 222 states and 313 transitions. [2018-10-27 00:16:44,611 INFO L276 IsEmpty]: Start isEmpty. Operand 222 states and 313 transitions. [2018-10-27 00:16:44,613 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2018-10-27 00:16:44,613 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:16:44,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:16:44,679 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-10-27 00:16:44,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:16:44,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 314 states to 223 states and 314 transitions. [2018-10-27 00:16:44,865 INFO L276 IsEmpty]: Start isEmpty. Operand 223 states and 314 transitions. [2018-10-27 00:16:44,867 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2018-10-27 00:16:44,867 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:16:44,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:16:44,933 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 00:16:45,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:16:45,309 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 338 states to 246 states and 338 transitions. [2018-10-27 00:16:45,309 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states and 338 transitions. [2018-10-27 00:16:45,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2018-10-27 00:16:45,311 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:16:45,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:16:45,374 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-10-27 00:16:45,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:16:45,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 378 states to 281 states and 378 transitions. [2018-10-27 00:16:45,723 INFO L276 IsEmpty]: Start isEmpty. Operand 281 states and 378 transitions. [2018-10-27 00:16:45,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2018-10-27 00:16:45,732 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:16:45,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:16:45,796 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 00:16:46,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:16:46,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 410 states to 313 states and 410 transitions. [2018-10-27 00:16:46,184 INFO L276 IsEmpty]: Start isEmpty. Operand 313 states and 410 transitions. [2018-10-27 00:16:46,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2018-10-27 00:16:46,185 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:16:46,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:16:46,309 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 00:16:46,681 WARN L179 SmtUtils]: Spent 125.00 ms on a formula simplification that was a NOOP. DAG size: 12 [2018-10-27 00:16:47,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:16:47,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 458 states to 354 states and 458 transitions. [2018-10-27 00:16:47,235 INFO L276 IsEmpty]: Start isEmpty. Operand 354 states and 458 transitions. [2018-10-27 00:16:47,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2018-10-27 00:16:47,236 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:16:47,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:16:47,299 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-10-27 00:16:47,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:16:47,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 460 states to 355 states and 460 transitions. [2018-10-27 00:16:47,536 INFO L276 IsEmpty]: Start isEmpty. Operand 355 states and 460 transitions. [2018-10-27 00:16:47,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2018-10-27 00:16:47,537 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:16:47,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:16:48,035 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2018-10-27 00:16:48,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:16:48,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 481 states to 371 states and 481 transitions. [2018-10-27 00:16:48,315 INFO L276 IsEmpty]: Start isEmpty. Operand 371 states and 481 transitions. [2018-10-27 00:16:48,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2018-10-27 00:16:48,316 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:16:48,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:16:48,385 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 00:16:49,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:16:49,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 504 states to 392 states and 504 transitions. [2018-10-27 00:16:49,082 INFO L276 IsEmpty]: Start isEmpty. Operand 392 states and 504 transitions. [2018-10-27 00:16:49,083 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2018-10-27 00:16:49,083 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:16:49,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:16:49,123 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 50 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 00:16:49,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:16:49,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 512 states to 397 states and 512 transitions. [2018-10-27 00:16:49,291 INFO L276 IsEmpty]: Start isEmpty. Operand 397 states and 512 transitions. [2018-10-27 00:16:49,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2018-10-27 00:16:49,293 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:16:49,305 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:16:49,369 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 00:16:49,520 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:16:49,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 520 states to 404 states and 520 transitions. [2018-10-27 00:16:49,521 INFO L276 IsEmpty]: Start isEmpty. Operand 404 states and 520 transitions. [2018-10-27 00:16:49,522 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2018-10-27 00:16:49,522 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:16:49,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:16:49,560 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 49 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-10-27 00:16:49,682 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:16:49,683 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 523 states to 406 states and 523 transitions. [2018-10-27 00:16:49,684 INFO L276 IsEmpty]: Start isEmpty. Operand 406 states and 523 transitions. [2018-10-27 00:16:49,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2018-10-27 00:16:49,685 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:16:49,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:16:49,804 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 60 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 00:16:50,910 WARN L179 SmtUtils]: Spent 144.00 ms on a formula simplification that was a NOOP. DAG size: 16 [2018-10-27 00:16:51,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:16:51,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 579 states to 452 states and 579 transitions. [2018-10-27 00:16:51,222 INFO L276 IsEmpty]: Start isEmpty. Operand 452 states and 579 transitions. [2018-10-27 00:16:51,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2018-10-27 00:16:51,223 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:16:51,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:16:51,284 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 60 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 00:16:51,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:16:51,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 598 states to 469 states and 598 transitions. [2018-10-27 00:16:51,554 INFO L276 IsEmpty]: Start isEmpty. Operand 469 states and 598 transitions. [2018-10-27 00:16:51,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2018-10-27 00:16:51,555 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:16:51,565 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:16:51,592 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 60 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 00:16:51,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:16:51,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 600 states to 472 states and 600 transitions. [2018-10-27 00:16:51,728 INFO L276 IsEmpty]: Start isEmpty. Operand 472 states and 600 transitions. [2018-10-27 00:16:51,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2018-10-27 00:16:51,729 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:16:51,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:16:51,824 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 46 proven. 0 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2018-10-27 00:16:52,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:16:52,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 615 states to 482 states and 615 transitions. [2018-10-27 00:16:52,028 INFO L276 IsEmpty]: Start isEmpty. Operand 482 states and 615 transitions. [2018-10-27 00:16:52,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2018-10-27 00:16:52,029 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:16:52,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:16:52,846 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2018-10-27 00:16:53,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:16:53,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 635 states to 497 states and 635 transitions. [2018-10-27 00:16:53,255 INFO L276 IsEmpty]: Start isEmpty. Operand 497 states and 635 transitions. [2018-10-27 00:16:53,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2018-10-27 00:16:53,255 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:16:53,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:16:53,290 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 56 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-10-27 00:16:53,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:16:53,493 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 647 states to 506 states and 647 transitions. [2018-10-27 00:16:53,494 INFO L276 IsEmpty]: Start isEmpty. Operand 506 states and 647 transitions. [2018-10-27 00:16:53,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2018-10-27 00:16:53,495 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:16:53,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:16:53,530 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 56 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-10-27 00:16:53,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:16:53,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 650 states to 510 states and 650 transitions. [2018-10-27 00:16:53,630 INFO L276 IsEmpty]: Start isEmpty. Operand 510 states and 650 transitions. [2018-10-27 00:16:53,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2018-10-27 00:16:53,631 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:16:53,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:16:53,730 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 59 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-10-27 00:16:54,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:16:54,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 694 states to 553 states and 694 transitions. [2018-10-27 00:16:54,262 INFO L276 IsEmpty]: Start isEmpty. Operand 553 states and 694 transitions. [2018-10-27 00:16:54,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2018-10-27 00:16:54,263 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:16:54,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:16:56,389 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 60 proven. 0 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2018-10-27 00:16:56,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:16:56,691 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 702 states to 559 states and 702 transitions. [2018-10-27 00:16:56,691 INFO L276 IsEmpty]: Start isEmpty. Operand 559 states and 702 transitions. [2018-10-27 00:16:56,693 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2018-10-27 00:16:56,693 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:16:56,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:16:56,723 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 60 proven. 0 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2018-10-27 00:16:57,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:16:57,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 722 states to 574 states and 722 transitions. [2018-10-27 00:16:57,593 INFO L276 IsEmpty]: Start isEmpty. Operand 574 states and 722 transitions. [2018-10-27 00:16:57,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2018-10-27 00:16:57,594 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:16:57,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:16:57,624 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 60 proven. 0 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2018-10-27 00:16:57,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:16:57,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 726 states to 578 states and 726 transitions. [2018-10-27 00:16:57,828 INFO L276 IsEmpty]: Start isEmpty. Operand 578 states and 726 transitions. [2018-10-27 00:16:57,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2018-10-27 00:16:57,830 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:16:57,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:16:57,874 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 66 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 00:16:57,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:16:57,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 744 states to 596 states and 744 transitions. [2018-10-27 00:16:57,976 INFO L276 IsEmpty]: Start isEmpty. Operand 596 states and 744 transitions. [2018-10-27 00:16:57,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2018-10-27 00:16:57,977 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:16:58,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:16:58,925 INFO L134 CoverageAnalysis]: Checked inductivity of 119 backedges. 67 proven. 0 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2018-10-27 00:16:59,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:16:59,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 759 states to 610 states and 759 transitions. [2018-10-27 00:16:59,137 INFO L276 IsEmpty]: Start isEmpty. Operand 610 states and 759 transitions. [2018-10-27 00:16:59,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2018-10-27 00:16:59,138 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:16:59,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:16:59,611 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 69 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 00:17:01,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:17:01,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 828 states to 675 states and 828 transitions. [2018-10-27 00:17:01,015 INFO L276 IsEmpty]: Start isEmpty. Operand 675 states and 828 transitions. [2018-10-27 00:17:01,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2018-10-27 00:17:01,016 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:17:01,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:17:01,081 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2018-10-27 00:17:01,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:17:01,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 833 states to 676 states and 833 transitions. [2018-10-27 00:17:01,323 INFO L276 IsEmpty]: Start isEmpty. Operand 676 states and 833 transitions. [2018-10-27 00:17:01,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2018-10-27 00:17:01,325 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:17:01,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:17:01,943 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 78 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 00:17:02,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:17:02,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 842 states to 677 states and 842 transitions. [2018-10-27 00:17:02,323 INFO L276 IsEmpty]: Start isEmpty. Operand 677 states and 842 transitions. [2018-10-27 00:17:02,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2018-10-27 00:17:02,324 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:17:02,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:17:02,763 INFO L134 CoverageAnalysis]: Checked inductivity of 138 backedges. 86 proven. 0 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2018-10-27 00:17:03,202 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:17:03,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 857 states to 691 states and 857 transitions. [2018-10-27 00:17:03,203 INFO L276 IsEmpty]: Start isEmpty. Operand 691 states and 857 transitions. [2018-10-27 00:17:03,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2018-10-27 00:17:03,204 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:17:03,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:17:03,323 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 78 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 00:17:04,533 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:17:04,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 929 states to 760 states and 929 transitions. [2018-10-27 00:17:04,534 INFO L276 IsEmpty]: Start isEmpty. Operand 760 states and 929 transitions. [2018-10-27 00:17:04,534 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2018-10-27 00:17:04,534 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:17:04,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:17:04,578 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 74 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-10-27 00:17:04,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:17:04,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 947 states to 778 states and 947 transitions. [2018-10-27 00:17:04,777 INFO L276 IsEmpty]: Start isEmpty. Operand 778 states and 947 transitions. [2018-10-27 00:17:04,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2018-10-27 00:17:04,778 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:17:04,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:17:04,844 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2018-10-27 00:17:05,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:17:05,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 950 states to 782 states and 950 transitions. [2018-10-27 00:17:05,179 INFO L276 IsEmpty]: Start isEmpty. Operand 782 states and 950 transitions. [2018-10-27 00:17:05,180 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2018-10-27 00:17:05,180 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:17:05,193 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:17:05,499 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 84 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 00:17:06,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:17:06,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 983 states to 811 states and 983 transitions. [2018-10-27 00:17:06,749 INFO L276 IsEmpty]: Start isEmpty. Operand 811 states and 983 transitions. [2018-10-27 00:17:06,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2018-10-27 00:17:06,750 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:17:06,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:17:06,807 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 84 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 00:17:07,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:17:07,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1019 states to 849 states and 1019 transitions. [2018-10-27 00:17:07,708 INFO L276 IsEmpty]: Start isEmpty. Operand 849 states and 1019 transitions. [2018-10-27 00:17:07,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2018-10-27 00:17:07,710 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:17:07,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:17:07,753 INFO L134 CoverageAnalysis]: Checked inductivity of 127 backedges. 88 proven. 0 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2018-10-27 00:17:08,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:17:08,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1019 states to 850 states and 1019 transitions. [2018-10-27 00:17:08,619 INFO L276 IsEmpty]: Start isEmpty. Operand 850 states and 1019 transitions. [2018-10-27 00:17:08,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2018-10-27 00:17:08,620 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:17:08,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:17:08,740 INFO L134 CoverageAnalysis]: Checked inductivity of 120 backedges. 120 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 00:17:09,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:17:09,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1049 states to 875 states and 1049 transitions. [2018-10-27 00:17:09,132 INFO L276 IsEmpty]: Start isEmpty. Operand 875 states and 1049 transitions. [2018-10-27 00:17:09,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2018-10-27 00:17:09,133 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:17:09,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:17:09,777 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 101 proven. 48 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-10-27 00:17:11,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:17:11,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1099 states to 915 states and 1099 transitions. [2018-10-27 00:17:11,118 INFO L276 IsEmpty]: Start isEmpty. Operand 915 states and 1099 transitions. [2018-10-27 00:17:11,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2018-10-27 00:17:11,119 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:17:11,133 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:17:11,222 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 98 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2018-10-27 00:17:11,263 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:17:11,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1101 states to 917 states and 1101 transitions. [2018-10-27 00:17:11,264 INFO L276 IsEmpty]: Start isEmpty. Operand 917 states and 1101 transitions. [2018-10-27 00:17:11,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2018-10-27 00:17:11,265 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:17:11,274 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:17:11,307 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 150 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 00:17:11,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:17:11,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1131 states to 942 states and 1131 transitions. [2018-10-27 00:17:11,814 INFO L276 IsEmpty]: Start isEmpty. Operand 942 states and 1131 transitions. [2018-10-27 00:17:11,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2018-10-27 00:17:11,815 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:17:11,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:17:11,889 INFO L134 CoverageAnalysis]: Checked inductivity of 161 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 149 trivial. 0 not checked. [2018-10-27 00:17:12,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:17:12,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1265 states to 1068 states and 1265 transitions. [2018-10-27 00:17:12,873 INFO L276 IsEmpty]: Start isEmpty. Operand 1068 states and 1265 transitions. [2018-10-27 00:17:12,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2018-10-27 00:17:12,874 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:17:12,888 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:17:12,983 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 106 proven. 0 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2018-10-27 00:17:13,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:17:13,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1266 states to 1070 states and 1266 transitions. [2018-10-27 00:17:13,017 INFO L276 IsEmpty]: Start isEmpty. Operand 1070 states and 1266 transitions. [2018-10-27 00:17:13,018 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2018-10-27 00:17:13,018 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:17:13,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:17:13,626 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 112 proven. 32 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 00:17:17,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:17:17,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1351 states to 1140 states and 1351 transitions. [2018-10-27 00:17:17,488 INFO L276 IsEmpty]: Start isEmpty. Operand 1140 states and 1351 transitions. [2018-10-27 00:17:17,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2018-10-27 00:17:17,489 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:17:17,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:17:17,672 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 112 proven. 32 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 00:17:19,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:17:19,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1382 states to 1168 states and 1382 transitions. [2018-10-27 00:17:19,059 INFO L276 IsEmpty]: Start isEmpty. Operand 1168 states and 1382 transitions. [2018-10-27 00:17:19,061 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2018-10-27 00:17:19,061 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:17:19,078 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:17:19,130 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 112 proven. 4 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2018-10-27 00:17:19,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:17:19,748 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1434 states to 1210 states and 1434 transitions. [2018-10-27 00:17:19,748 INFO L276 IsEmpty]: Start isEmpty. Operand 1210 states and 1434 transitions. [2018-10-27 00:17:19,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2018-10-27 00:17:19,750 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:17:19,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:17:19,814 INFO L134 CoverageAnalysis]: Checked inductivity of 218 backedges. 116 proven. 0 refuted. 0 times theorem prover too weak. 102 trivial. 0 not checked. [2018-10-27 00:17:20,374 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:17:20,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1450 states to 1227 states and 1450 transitions. [2018-10-27 00:17:20,375 INFO L276 IsEmpty]: Start isEmpty. Operand 1227 states and 1450 transitions. [2018-10-27 00:17:20,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2018-10-27 00:17:20,377 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:17:20,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:17:20,472 INFO L134 CoverageAnalysis]: Checked inductivity of 161 backedges. 116 proven. 0 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2018-10-27 00:17:20,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:17:20,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1464 states to 1242 states and 1464 transitions. [2018-10-27 00:17:20,897 INFO L276 IsEmpty]: Start isEmpty. Operand 1242 states and 1464 transitions. [2018-10-27 00:17:20,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2018-10-27 00:17:20,898 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:17:20,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:17:20,957 INFO L134 CoverageAnalysis]: Checked inductivity of 167 backedges. 125 proven. 0 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2018-10-27 00:17:21,182 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:17:21,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1467 states to 1244 states and 1467 transitions. [2018-10-27 00:17:21,183 INFO L276 IsEmpty]: Start isEmpty. Operand 1244 states and 1467 transitions. [2018-10-27 00:17:21,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2018-10-27 00:17:21,184 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:17:21,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:17:21,876 INFO L134 CoverageAnalysis]: Checked inductivity of 176 backedges. 176 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 00:17:23,383 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:17:23,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1500 states to 1271 states and 1500 transitions. [2018-10-27 00:17:23,384 INFO L276 IsEmpty]: Start isEmpty. Operand 1271 states and 1500 transitions. [2018-10-27 00:17:23,385 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2018-10-27 00:17:23,385 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:17:23,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:17:23,561 INFO L134 CoverageAnalysis]: Checked inductivity of 176 backedges. 176 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 00:17:24,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:17:24,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1542 states to 1314 states and 1542 transitions. [2018-10-27 00:17:24,031 INFO L276 IsEmpty]: Start isEmpty. Operand 1314 states and 1542 transitions. [2018-10-27 00:17:24,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2018-10-27 00:17:24,032 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:17:24,043 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:17:24,908 INFO L134 CoverageAnalysis]: Checked inductivity of 252 backedges. 145 proven. 70 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2018-10-27 00:17:27,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:17:27,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1627 states to 1384 states and 1627 transitions. [2018-10-27 00:17:27,171 INFO L276 IsEmpty]: Start isEmpty. Operand 1384 states and 1627 transitions. [2018-10-27 00:17:27,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2018-10-27 00:17:27,172 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:17:27,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:17:27,220 INFO L134 CoverageAnalysis]: Checked inductivity of 184 backedges. 138 proven. 5 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2018-10-27 00:17:27,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:17:27,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1659 states to 1415 states and 1659 transitions. [2018-10-27 00:17:27,514 INFO L276 IsEmpty]: Start isEmpty. Operand 1415 states and 1659 transitions. [2018-10-27 00:17:27,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2018-10-27 00:17:27,516 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:17:27,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:17:27,577 INFO L134 CoverageAnalysis]: Checked inductivity of 184 backedges. 138 proven. 5 refuted. 0 times theorem prover too weak. 41 trivial. 0 not checked. [2018-10-27 00:17:27,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:17:27,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1679 states to 1436 states and 1679 transitions. [2018-10-27 00:17:27,670 INFO L276 IsEmpty]: Start isEmpty. Operand 1436 states and 1679 transitions. [2018-10-27 00:17:27,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2018-10-27 00:17:27,672 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:17:27,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:17:28,211 INFO L134 CoverageAnalysis]: Checked inductivity of 188 backedges. 135 proven. 11 refuted. 0 times theorem prover too weak. 42 trivial. 0 not checked. [2018-10-27 00:17:28,972 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:17:28,973 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1703 states to 1455 states and 1703 transitions. [2018-10-27 00:17:28,973 INFO L276 IsEmpty]: Start isEmpty. Operand 1455 states and 1703 transitions. [2018-10-27 00:17:28,974 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2018-10-27 00:17:28,974 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:17:28,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:17:29,104 INFO L134 CoverageAnalysis]: Checked inductivity of 188 backedges. 129 proven. 0 refuted. 0 times theorem prover too weak. 59 trivial. 0 not checked. [2018-10-27 00:17:30,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:17:30,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1773 states to 1523 states and 1773 transitions. [2018-10-27 00:17:30,169 INFO L276 IsEmpty]: Start isEmpty. Operand 1523 states and 1773 transitions. [2018-10-27 00:17:30,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2018-10-27 00:17:30,171 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:17:30,189 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:17:30,253 INFO L134 CoverageAnalysis]: Checked inductivity of 215 backedges. 149 proven. 0 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2018-10-27 00:17:30,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:17:30,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1775 states to 1525 states and 1775 transitions. [2018-10-27 00:17:30,647 INFO L276 IsEmpty]: Start isEmpty. Operand 1525 states and 1775 transitions. [2018-10-27 00:17:30,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2018-10-27 00:17:30,648 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:17:30,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:17:31,713 INFO L134 CoverageAnalysis]: Checked inductivity of 228 backedges. 182 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2018-10-27 00:17:34,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:17:34,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1816 states to 1559 states and 1816 transitions. [2018-10-27 00:17:34,354 INFO L276 IsEmpty]: Start isEmpty. Operand 1559 states and 1816 transitions. [2018-10-27 00:17:34,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2018-10-27 00:17:34,355 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:17:34,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:17:34,476 INFO L134 CoverageAnalysis]: Checked inductivity of 228 backedges. 182 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2018-10-27 00:17:35,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:17:35,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1829 states to 1573 states and 1829 transitions. [2018-10-27 00:17:35,137 INFO L276 IsEmpty]: Start isEmpty. Operand 1573 states and 1829 transitions. [2018-10-27 00:17:35,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2018-10-27 00:17:35,139 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:17:35,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:17:35,440 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 156 proven. 4 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2018-10-27 00:17:37,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:17:37,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1918 states to 1650 states and 1918 transitions. [2018-10-27 00:17:37,247 INFO L276 IsEmpty]: Start isEmpty. Operand 1650 states and 1918 transitions. [2018-10-27 00:17:37,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2018-10-27 00:17:37,248 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:17:37,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:17:37,472 INFO L134 CoverageAnalysis]: Checked inductivity of 259 backedges. 179 proven. 0 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2018-10-27 00:17:37,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:17:37,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1921 states to 1653 states and 1921 transitions. [2018-10-27 00:17:37,880 INFO L276 IsEmpty]: Start isEmpty. Operand 1653 states and 1921 transitions. [2018-10-27 00:17:37,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2018-10-27 00:17:37,881 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:17:37,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:17:38,807 INFO L134 CoverageAnalysis]: Checked inductivity of 331 backedges. 244 proven. 41 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2018-10-27 00:17:40,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:17:40,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1959 states to 1684 states and 1959 transitions. [2018-10-27 00:17:40,800 INFO L276 IsEmpty]: Start isEmpty. Operand 1684 states and 1959 transitions. [2018-10-27 00:17:40,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 233 [2018-10-27 00:17:40,802 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:17:40,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:17:40,937 INFO L134 CoverageAnalysis]: Checked inductivity of 272 backedges. 158 proven. 0 refuted. 0 times theorem prover too weak. 114 trivial. 0 not checked. [2018-10-27 00:17:42,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:17:42,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1983 states to 1708 states and 1983 transitions. [2018-10-27 00:17:42,076 INFO L276 IsEmpty]: Start isEmpty. Operand 1708 states and 1983 transitions. [2018-10-27 00:17:42,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 233 [2018-10-27 00:17:42,077 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:17:42,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:17:42,210 INFO L134 CoverageAnalysis]: Checked inductivity of 272 backedges. 158 proven. 0 refuted. 0 times theorem prover too weak. 114 trivial. 0 not checked. [2018-10-27 00:17:43,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:17:43,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2006 states to 1732 states and 2006 transitions. [2018-10-27 00:17:43,475 INFO L276 IsEmpty]: Start isEmpty. Operand 1732 states and 2006 transitions. [2018-10-27 00:17:43,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 249 [2018-10-27 00:17:43,477 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:17:43,493 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:17:43,664 INFO L134 CoverageAnalysis]: Checked inductivity of 387 backedges. 242 proven. 5 refuted. 0 times theorem prover too weak. 140 trivial. 0 not checked. [2018-10-27 00:17:44,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:17:44,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2091 states to 1812 states and 2091 transitions. [2018-10-27 00:17:44,714 INFO L276 IsEmpty]: Start isEmpty. Operand 1812 states and 2091 transitions. [2018-10-27 00:17:44,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 252 [2018-10-27 00:17:44,715 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:17:44,735 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:17:44,808 INFO L134 CoverageAnalysis]: Checked inductivity of 338 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 322 trivial. 0 not checked. [2018-10-27 00:17:45,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:17:45,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2094 states to 1816 states and 2094 transitions. [2018-10-27 00:17:45,001 INFO L276 IsEmpty]: Start isEmpty. Operand 1816 states and 2094 transitions. [2018-10-27 00:17:45,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 276 [2018-10-27 00:17:45,003 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:17:45,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:17:45,884 INFO L134 CoverageAnalysis]: Checked inductivity of 395 backedges. 274 proven. 50 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2018-10-27 00:17:50,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:17:50,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2177 states to 1885 states and 2177 transitions. [2018-10-27 00:17:50,105 INFO L276 IsEmpty]: Start isEmpty. Operand 1885 states and 2177 transitions. [2018-10-27 00:17:50,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 283 [2018-10-27 00:17:50,106 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:17:50,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:17:50,818 INFO L134 CoverageAnalysis]: Checked inductivity of 441 backedges. 314 proven. 56 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2018-10-27 00:17:53,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:17:53,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2225 states to 1930 states and 2225 transitions. [2018-10-27 00:17:53,471 INFO L276 IsEmpty]: Start isEmpty. Operand 1930 states and 2225 transitions. [2018-10-27 00:17:53,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 287 [2018-10-27 00:17:53,474 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:17:53,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:17:53,782 INFO L134 CoverageAnalysis]: Checked inductivity of 421 backedges. 320 proven. 14 refuted. 0 times theorem prover too weak. 87 trivial. 0 not checked. [2018-10-27 00:17:54,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:17:54,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2226 states to 1931 states and 2226 transitions. [2018-10-27 00:17:54,161 INFO L276 IsEmpty]: Start isEmpty. Operand 1931 states and 2226 transitions. [2018-10-27 00:17:54,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 289 [2018-10-27 00:17:54,165 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:17:54,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:17:55,569 INFO L134 CoverageAnalysis]: Checked inductivity of 465 backedges. 360 proven. 0 refuted. 0 times theorem prover too weak. 105 trivial. 0 not checked. [2018-10-27 00:17:59,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:17:59,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2284 states to 1984 states and 2284 transitions. [2018-10-27 00:17:59,893 INFO L276 IsEmpty]: Start isEmpty. Operand 1984 states and 2284 transitions. [2018-10-27 00:17:59,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 290 [2018-10-27 00:17:59,894 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:17:59,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:18:00,637 INFO L134 CoverageAnalysis]: Checked inductivity of 464 backedges. 335 proven. 58 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2018-10-27 00:18:02,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:18:02,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2298 states to 1994 states and 2298 transitions. [2018-10-27 00:18:02,760 INFO L276 IsEmpty]: Start isEmpty. Operand 1994 states and 2298 transitions. [2018-10-27 00:18:02,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 290 [2018-10-27 00:18:02,761 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:18:02,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:18:02,988 INFO L134 CoverageAnalysis]: Checked inductivity of 464 backedges. 335 proven. 58 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2018-10-27 00:18:03,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:18:03,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2307 states to 2000 states and 2307 transitions. [2018-10-27 00:18:03,757 INFO L276 IsEmpty]: Start isEmpty. Operand 2000 states and 2307 transitions. [2018-10-27 00:18:03,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 292 [2018-10-27 00:18:03,759 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:18:03,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:18:03,999 INFO L134 CoverageAnalysis]: Checked inductivity of 440 backedges. 350 proven. 6 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2018-10-27 00:18:04,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:18:04,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2309 states to 2002 states and 2309 transitions. [2018-10-27 00:18:04,238 INFO L276 IsEmpty]: Start isEmpty. Operand 2002 states and 2309 transitions. [2018-10-27 00:18:04,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 317 [2018-10-27 00:18:04,240 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:18:04,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:18:04,780 INFO L134 CoverageAnalysis]: Checked inductivity of 617 backedges. 400 proven. 134 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2018-10-27 00:18:06,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:18:06,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2336 states to 2021 states and 2336 transitions. [2018-10-27 00:18:06,340 INFO L276 IsEmpty]: Start isEmpty. Operand 2021 states and 2336 transitions. [2018-10-27 00:18:06,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 317 [2018-10-27 00:18:06,341 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:18:06,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:18:06,475 INFO L134 CoverageAnalysis]: Checked inductivity of 617 backedges. 400 proven. 134 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2018-10-27 00:18:07,162 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:18:07,163 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2345 states to 2028 states and 2345 transitions. [2018-10-27 00:18:07,163 INFO L276 IsEmpty]: Start isEmpty. Operand 2028 states and 2345 transitions. [2018-10-27 00:18:07,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 319 [2018-10-27 00:18:07,164 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:18:07,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:18:07,249 INFO L134 CoverageAnalysis]: Checked inductivity of 558 backedges. 445 proven. 0 refuted. 0 times theorem prover too weak. 113 trivial. 0 not checked. [2018-10-27 00:18:07,422 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:18:07,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2347 states to 2031 states and 2347 transitions. [2018-10-27 00:18:07,423 INFO L276 IsEmpty]: Start isEmpty. Operand 2031 states and 2347 transitions. [2018-10-27 00:18:07,424 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 321 [2018-10-27 00:18:07,424 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:18:07,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:18:09,594 INFO L134 CoverageAnalysis]: Checked inductivity of 633 backedges. 507 proven. 5 refuted. 0 times theorem prover too weak. 121 trivial. 0 not checked. [2018-10-27 00:18:14,228 WARN L179 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 25 DAG size of output: 25 [2018-10-27 00:18:18,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:18:18,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2511 states to 2164 states and 2511 transitions. [2018-10-27 00:18:18,750 INFO L276 IsEmpty]: Start isEmpty. Operand 2164 states and 2511 transitions. [2018-10-27 00:18:18,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 323 [2018-10-27 00:18:18,751 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:18:18,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:18:19,598 INFO L134 CoverageAnalysis]: Checked inductivity of 579 backedges. 412 proven. 96 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2018-10-27 00:18:23,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:18:23,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2557 states to 2207 states and 2557 transitions. [2018-10-27 00:18:23,636 INFO L276 IsEmpty]: Start isEmpty. Operand 2207 states and 2557 transitions. [2018-10-27 00:18:23,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 327 [2018-10-27 00:18:23,637 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:18:23,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:18:23,818 INFO L134 CoverageAnalysis]: Checked inductivity of 637 backedges. 464 proven. 0 refuted. 0 times theorem prover too weak. 173 trivial. 0 not checked. [2018-10-27 00:18:24,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:18:24,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2572 states to 2222 states and 2572 transitions. [2018-10-27 00:18:24,524 INFO L276 IsEmpty]: Start isEmpty. Operand 2222 states and 2572 transitions. [2018-10-27 00:18:24,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 330 [2018-10-27 00:18:24,525 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:18:24,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:18:26,766 INFO L134 CoverageAnalysis]: Checked inductivity of 652 backedges. 460 proven. 0 refuted. 0 times theorem prover too weak. 192 trivial. 0 not checked. [2018-10-27 00:18:28,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:18:28,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2575 states to 2223 states and 2575 transitions. [2018-10-27 00:18:28,224 INFO L276 IsEmpty]: Start isEmpty. Operand 2223 states and 2575 transitions. [2018-10-27 00:18:28,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 332 [2018-10-27 00:18:28,225 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:18:28,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:18:28,918 INFO L134 CoverageAnalysis]: Checked inductivity of 614 backedges. 532 proven. 5 refuted. 0 times theorem prover too weak. 77 trivial. 0 not checked. [2018-10-27 00:18:29,695 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:18:29,696 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2581 states to 2228 states and 2581 transitions. [2018-10-27 00:18:29,696 INFO L276 IsEmpty]: Start isEmpty. Operand 2228 states and 2581 transitions. [2018-10-27 00:18:29,698 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 333 [2018-10-27 00:18:29,698 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:18:29,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:18:29,786 INFO L134 CoverageAnalysis]: Checked inductivity of 667 backedges. 482 proven. 0 refuted. 0 times theorem prover too weak. 185 trivial. 0 not checked. [2018-10-27 00:18:30,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:18:30,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2622 states to 2267 states and 2622 transitions. [2018-10-27 00:18:30,771 INFO L276 IsEmpty]: Start isEmpty. Operand 2267 states and 2622 transitions. [2018-10-27 00:18:30,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 333 [2018-10-27 00:18:30,773 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:18:30,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:18:30,862 INFO L134 CoverageAnalysis]: Checked inductivity of 667 backedges. 482 proven. 0 refuted. 0 times theorem prover too weak. 185 trivial. 0 not checked. [2018-10-27 00:18:31,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:18:31,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2636 states to 2281 states and 2636 transitions. [2018-10-27 00:18:31,292 INFO L276 IsEmpty]: Start isEmpty. Operand 2281 states and 2636 transitions. [2018-10-27 00:18:31,294 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 333 [2018-10-27 00:18:31,294 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:18:31,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:18:31,411 INFO L134 CoverageAnalysis]: Checked inductivity of 628 backedges. 374 proven. 6 refuted. 0 times theorem prover too weak. 248 trivial. 0 not checked. [2018-10-27 00:18:31,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:18:31,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2644 states to 2288 states and 2644 transitions. [2018-10-27 00:18:31,693 INFO L276 IsEmpty]: Start isEmpty. Operand 2288 states and 2644 transitions. [2018-10-27 00:18:31,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 405 [2018-10-27 00:18:31,695 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 00:18:31,717 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 00:18:31,954 INFO L134 CoverageAnalysis]: Checked inductivity of 958 backedges. 561 proven. 12 refuted. 0 times theorem prover too weak. 385 trivial. 0 not checked. [2018-10-27 00:18:32,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 00:18:32,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2500 states to 2149 states and 2500 transitions. [2018-10-27 00:18:32,607 INFO L276 IsEmpty]: Start isEmpty. Operand 2149 states and 2500 transitions. [2018-10-27 00:18:32,608 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-10-27 00:18:32,609 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 85 iterations. [2018-10-27 00:18:32,619 INFO L778 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-10-27 00:18:32,932 WARN L179 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 35 [2018-10-27 00:18:33,136 WARN L179 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 33 [2018-10-27 00:18:33,285 WARN L179 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 32 [2018-10-27 00:18:33,408 WARN L179 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 25 [2018-10-27 00:18:33,548 WARN L179 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 35 [2018-10-27 00:18:33,672 WARN L179 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 35 [2018-10-27 00:18:33,997 WARN L179 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 32 [2018-10-27 00:18:34,133 WARN L179 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 35 [2018-10-27 00:18:34,320 WARN L179 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 35 [2018-10-27 00:18:34,453 WARN L179 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 35 [2018-10-27 00:18:34,824 WARN L179 SmtUtils]: Spent 282.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 30 [2018-10-27 00:18:35,027 WARN L179 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 35 [2018-10-27 00:18:35,227 WARN L179 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 33 [2018-10-27 00:18:35,335 WARN L179 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 32 [2018-10-27 00:18:36,000 WARN L179 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 25 [2018-10-27 00:18:36,104 WARN L179 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 84 DAG size of output: 26 [2018-10-27 00:18:36,344 WARN L179 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 32 [2018-10-27 00:18:36,522 WARN L179 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 35 [2018-10-27 00:18:36,656 WARN L179 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 11 [2018-10-27 00:18:36,847 WARN L179 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 32 [2018-10-27 00:18:36,993 WARN L179 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 32 [2018-10-27 00:18:37,100 WARN L179 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 32 [2018-10-27 00:18:37,333 WARN L179 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 25 [2018-10-27 00:18:37,441 WARN L179 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 29 [2018-10-27 00:18:38,021 WARN L179 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 35 [2018-10-27 00:18:38,276 WARN L179 SmtUtils]: Spent 255.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 52 [2018-10-27 00:18:38,669 WARN L179 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 33 [2018-10-27 00:18:38,831 WARN L179 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 33 [2018-10-27 00:18:38,949 WARN L179 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 33 [2018-10-27 00:18:39,070 WARN L179 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 32 [2018-10-27 00:18:39,196 WARN L179 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 35 [2018-10-27 00:18:39,197 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-10-27 00:18:39,199 INFO L582 CodeCheckObserver]: Invariant with dag size 25 [2018-10-27 00:18:39,206 INFO L582 CodeCheckObserver]: Invariant with dag size 25 [2018-10-27 00:18:39,207 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 27.10 12:18:39 ImpRootNode [2018-10-27 00:18:39,207 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-10-27 00:18:39,207 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-10-27 00:18:39,207 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-10-27 00:18:39,207 INFO L276 PluginConnector]: Witness Printer initialized [2018-10-27 00:18:39,208 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 12:16:42" (3/4) ... [2018-10-27 00:18:39,212 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-10-27 00:18:39,226 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 101 nodes and edges [2018-10-27 00:18:39,227 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 19 nodes and edges [2018-10-27 00:18:39,228 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2018-10-27 00:18:39,228 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-10-27 00:18:39,331 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_eeb6916f-76cb-4894-aa56-d6a7f14479b5/bin-2019/ukojak/witness.graphml [2018-10-27 00:18:39,331 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-10-27 00:18:39,331 INFO L168 Benchmark]: Toolchain (without parser) took 121043.23 ms. Allocated memory was 1.0 GB in the beginning and 2.9 GB in the end (delta: 1.9 GB). Free memory was 951.8 MB in the beginning and 1.7 GB in the end (delta: -752.1 MB). Peak memory consumption was 1.1 GB. Max. memory is 11.5 GB. [2018-10-27 00:18:39,332 INFO L168 Benchmark]: CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 979.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-27 00:18:39,332 INFO L168 Benchmark]: CACSL2BoogieTranslator took 478.88 ms. Allocated memory is still 1.0 GB. Free memory was 951.8 MB in the beginning and 922.2 MB in the end (delta: 29.5 MB). Peak memory consumption was 29.5 MB. Max. memory is 11.5 GB. [2018-10-27 00:18:39,332 INFO L168 Benchmark]: Boogie Procedure Inliner took 80.98 ms. Allocated memory is still 1.0 GB. Free memory was 922.2 MB in the beginning and 914.2 MB in the end (delta: 8.1 MB). Peak memory consumption was 8.1 MB. Max. memory is 11.5 GB. [2018-10-27 00:18:39,332 INFO L168 Benchmark]: Boogie Preprocessor took 154.86 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 154.7 MB). Free memory was 914.2 MB in the beginning and 1.1 GB in the end (delta: -231.3 MB). Peak memory consumption was 22.4 MB. Max. memory is 11.5 GB. [2018-10-27 00:18:39,333 INFO L168 Benchmark]: RCFGBuilder took 3578.85 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 923.3 MB in the end (delta: 222.2 MB). Peak memory consumption was 222.2 MB. Max. memory is 11.5 GB. [2018-10-27 00:18:39,333 INFO L168 Benchmark]: CodeCheck took 116622.03 ms. Allocated memory was 1.2 GB in the beginning and 2.9 GB in the end (delta: 1.7 GB). Free memory was 923.3 MB in the beginning and 1.7 GB in the end (delta: -780.6 MB). Peak memory consumption was 1.7 GB. Max. memory is 11.5 GB. [2018-10-27 00:18:39,333 INFO L168 Benchmark]: Witness Printer took 123.68 ms. Allocated memory is still 2.9 GB. Free memory is still 1.7 GB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-27 00:18:39,337 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, 199 locations, 1 error locations. SAFE Result, 109.9s OverallTime, 85 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: -1970060724 SDtfs, 743228506 SDslu, 1824892602 SDs, 0 SdLazy, -933037500 SolverSat, -1827857768 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 455.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 107252 GetRequests, 103696 SyntacticMatches, 2568 SemanticMatches, 988 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 761716 ImplicationChecksByTransitivity, 89.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.4s SsaConstructionTime, 0.8s SatisfiabilityAnalysisTime, 23.0s InterpolantComputationTime, 16290 NumberOfCodeBlocks, 16290 NumberOfCodeBlocksAsserted, 84 NumberOfCheckSat, 16206 ConstructedInterpolants, 0 QuantifiedInterpolants, 21596645 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 84 InterpolantComputations, 59 PerfectInterpolantSequences, 18422/19316 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 515]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 577]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 30]: Loop Invariant Derived loop invariant: ((a20 == 1 || !(a8 == 13)) || !(a7 == 1)) || ((((!(a21 == 1) && a16 == 4) && a17 == 1) && a12 == 8) && a20 <= 0) - InvariantResult [Line: 583]: Loop Invariant Derived loop invariant: ((a20 == 1 || !(a8 == 13)) || !(a7 == 1)) || ((((!(a21 == 1) && a16 == 4) && a17 == 1) && a12 == 8) && a20 <= 0) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.16 ms. Allocated memory is still 1.0 GB. Free memory is still 979.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 478.88 ms. Allocated memory is still 1.0 GB. Free memory was 951.8 MB in the beginning and 922.2 MB in the end (delta: 29.5 MB). Peak memory consumption was 29.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 80.98 ms. Allocated memory is still 1.0 GB. Free memory was 922.2 MB in the beginning and 914.2 MB in the end (delta: 8.1 MB). Peak memory consumption was 8.1 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 154.86 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 154.7 MB). Free memory was 914.2 MB in the beginning and 1.1 GB in the end (delta: -231.3 MB). Peak memory consumption was 22.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 3578.85 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 923.3 MB in the end (delta: 222.2 MB). Peak memory consumption was 222.2 MB. Max. memory is 11.5 GB. * CodeCheck took 116622.03 ms. Allocated memory was 1.2 GB in the beginning and 2.9 GB in the end (delta: 1.7 GB). Free memory was 923.3 MB in the beginning and 1.7 GB in the end (delta: -780.6 MB). Peak memory consumption was 1.7 GB. Max. memory is 11.5 GB. * Witness Printer took 123.68 ms. Allocated memory is still 2.9 GB. Free memory is still 1.7 GB. There was no memory consumed. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...