./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem01_label43_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_f681b7d3-21c6-4f33-a3eb-e1ffc56072bb/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_f681b7d3-21c6-4f33-a3eb-e1ffc56072bb/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_f681b7d3-21c6-4f33-a3eb-e1ffc56072bb/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_f681b7d3-21c6-4f33-a3eb-e1ffc56072bb/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem01_label43_true-unreach-call_false-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_f681b7d3-21c6-4f33-a3eb-e1ffc56072bb/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_f681b7d3-21c6-4f33-a3eb-e1ffc56072bb/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 5c739325db675539f25b419a33c8766e100c13e7 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-1dbac8b [2018-10-26 21:43:37,820 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-26 21:43:37,821 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-26 21:43:37,832 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-26 21:43:37,833 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-26 21:43:37,834 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-26 21:43:37,835 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-26 21:43:37,837 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-26 21:43:37,839 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-26 21:43:37,839 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-26 21:43:37,840 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-26 21:43:37,840 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-26 21:43:37,841 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-26 21:43:37,843 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-26 21:43:37,844 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-26 21:43:37,845 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-26 21:43:37,846 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-26 21:43:37,848 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-26 21:43:37,850 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-26 21:43:37,852 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-26 21:43:37,853 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-26 21:43:37,854 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-26 21:43:37,856 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-26 21:43:37,856 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-26 21:43:37,857 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-26 21:43:37,858 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-26 21:43:37,859 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-26 21:43:37,860 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-26 21:43:37,861 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-26 21:43:37,862 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-26 21:43:37,863 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-26 21:43:37,863 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-26 21:43:37,864 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-26 21:43:37,864 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-26 21:43:37,865 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-26 21:43:37,865 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-26 21:43:37,866 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_f681b7d3-21c6-4f33-a3eb-e1ffc56072bb/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-10-26 21:43:37,880 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-26 21:43:37,880 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-26 21:43:37,881 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-26 21:43:37,882 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-10-26 21:43:37,883 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-10-26 21:43:37,883 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-10-26 21:43:37,883 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-26 21:43:37,883 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-26 21:43:37,884 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-26 21:43:37,884 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-26 21:43:37,884 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-26 21:43:37,884 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-26 21:43:37,884 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-26 21:43:37,884 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-26 21:43:37,885 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-26 21:43:37,885 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-26 21:43:37,885 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-26 21:43:37,885 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-10-26 21:43:37,885 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-10-26 21:43:37,885 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-26 21:43:37,886 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-26 21:43:37,886 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-10-26 21:43:37,888 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-26 21:43:37,888 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-26 21:43:37,888 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-26 21:43:37,888 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-10-26 21:43:37,889 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-26 21:43:37,889 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-26 21:43:37,889 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_f681b7d3-21c6-4f33-a3eb-e1ffc56072bb/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 -> 5c739325db675539f25b419a33c8766e100c13e7 [2018-10-26 21:43:37,923 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-26 21:43:37,935 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-26 21:43:37,938 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-26 21:43:37,940 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-26 21:43:37,940 INFO L276 PluginConnector]: CDTParser initialized [2018-10-26 21:43:37,941 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_f681b7d3-21c6-4f33-a3eb-e1ffc56072bb/bin-2019/ukojak/../../sv-benchmarks/c/eca-rers2012/Problem01_label43_true-unreach-call_false-termination.c [2018-10-26 21:43:37,996 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_f681b7d3-21c6-4f33-a3eb-e1ffc56072bb/bin-2019/ukojak/data/bea86415a/18777ace41ec498fad6e44e28f18c6a4/FLAG8e0f69aaf [2018-10-26 21:43:38,461 INFO L298 CDTParser]: Found 1 translation units. [2018-10-26 21:43:38,462 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_f681b7d3-21c6-4f33-a3eb-e1ffc56072bb/sv-benchmarks/c/eca-rers2012/Problem01_label43_true-unreach-call_false-termination.c [2018-10-26 21:43:38,478 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_f681b7d3-21c6-4f33-a3eb-e1ffc56072bb/bin-2019/ukojak/data/bea86415a/18777ace41ec498fad6e44e28f18c6a4/FLAG8e0f69aaf [2018-10-26 21:43:38,495 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_f681b7d3-21c6-4f33-a3eb-e1ffc56072bb/bin-2019/ukojak/data/bea86415a/18777ace41ec498fad6e44e28f18c6a4 [2018-10-26 21:43:38,499 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-26 21:43:38,500 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-10-26 21:43:38,501 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-26 21:43:38,501 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-26 21:43:38,506 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-26 21:43:38,507 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 09:43:38" (1/1) ... [2018-10-26 21:43:38,511 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@406eea96 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:43:38, skipping insertion in model container [2018-10-26 21:43:38,512 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 26.10 09:43:38" (1/1) ... [2018-10-26 21:43:38,523 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-26 21:43:38,594 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-26 21:43:38,980 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 21:43:38,984 INFO L189 MainTranslator]: Completed pre-run [2018-10-26 21:43:39,093 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-26 21:43:39,115 INFO L193 MainTranslator]: Completed translation [2018-10-26 21:43:39,116 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:43:39 WrapperNode [2018-10-26 21:43:39,116 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-26 21:43:39,117 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-26 21:43:39,117 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-26 21:43:39,117 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-26 21:43:39,126 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:43:39" (1/1) ... [2018-10-26 21:43:39,141 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:43:39" (1/1) ... [2018-10-26 21:43:39,193 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-26 21:43:39,193 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-26 21:43:39,194 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-26 21:43:39,194 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-26 21:43:39,319 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:43:39" (1/1) ... [2018-10-26 21:43:39,319 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:43:39" (1/1) ... [2018-10-26 21:43:39,323 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:43:39" (1/1) ... [2018-10-26 21:43:39,324 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:43:39" (1/1) ... [2018-10-26 21:43:39,341 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:43:39" (1/1) ... [2018-10-26 21:43:39,352 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:43:39" (1/1) ... [2018-10-26 21:43:39,358 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:43:39" (1/1) ... [2018-10-26 21:43:39,374 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-26 21:43:39,386 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-26 21:43:39,387 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-26 21:43:39,387 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-26 21:43:39,388 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 26.10 09:43:39" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f681b7d3-21c6-4f33-a3eb-e1ffc56072bb/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 [2018-10-26 21:43:39,466 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-10-26 21:43:39,466 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-26 21:43:39,466 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-26 21:43:44,116 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-26 21:43:44,117 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 09:43:44 BoogieIcfgContainer [2018-10-26 21:43:44,117 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-26 21:43:44,118 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-10-26 21:43:44,118 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-10-26 21:43:44,130 INFO L276 PluginConnector]: CodeCheck initialized [2018-10-26 21:43:44,132 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 09:43:44" (1/1) ... [2018-10-26 21:43:44,146 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-26 21:43:44,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:43:44,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 77 states and 146 transitions. [2018-10-26 21:43:44,191 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 146 transitions. [2018-10-26 21:43:44,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2018-10-26 21:43:44,196 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:43:44,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:43:44,800 WARN L179 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 7 DAG size of output: 4 [2018-10-26 21:43:44,908 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 21:43:45,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:43:45,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 147 states and 246 transitions. [2018-10-26 21:43:45,894 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 246 transitions. [2018-10-26 21:43:45,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2018-10-26 21:43:45,897 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:43:45,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:43:46,083 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 21:43:46,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:43:46,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 148 states and 247 transitions. [2018-10-26 21:43:46,457 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 247 transitions. [2018-10-26 21:43:46,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2018-10-26 21:43:46,459 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:43:46,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:43:46,767 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 21:43:47,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:43:47,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 153 states and 256 transitions. [2018-10-26 21:43:47,021 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 256 transitions. [2018-10-26 21:43:47,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2018-10-26 21:43:47,027 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:43:47,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:43:47,222 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 21:43:47,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:43:47,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 264 states to 158 states and 264 transitions. [2018-10-26 21:43:47,580 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 264 transitions. [2018-10-26 21:43:47,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2018-10-26 21:43:47,582 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:43:47,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:43:47,608 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-10-26 21:43:48,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:43:48,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 159 states and 265 transitions. [2018-10-26 21:43:48,062 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 265 transitions. [2018-10-26 21:43:48,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2018-10-26 21:43:48,064 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:43:48,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:43:48,191 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-10-26 21:43:48,589 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:43:48,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 287 states to 172 states and 287 transitions. [2018-10-26 21:43:48,590 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 287 transitions. [2018-10-26 21:43:48,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2018-10-26 21:43:48,591 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:43:48,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:43:48,748 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 21:43:49,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:43:49,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 307 states to 187 states and 307 transitions. [2018-10-26 21:43:49,237 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 307 transitions. [2018-10-26 21:43:49,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2018-10-26 21:43:49,238 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:43:49,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:43:49,311 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 21:43:49,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:43:49,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 312 states to 191 states and 312 transitions. [2018-10-26 21:43:49,450 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 312 transitions. [2018-10-26 21:43:49,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2018-10-26 21:43:49,450 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:43:49,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:43:49,580 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 21:43:50,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:43:50,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 336 states to 207 states and 336 transitions. [2018-10-26 21:43:50,350 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 336 transitions. [2018-10-26 21:43:50,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2018-10-26 21:43:50,351 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:43:50,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:43:50,384 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 21:43:51,163 WARN L179 SmtUtils]: Spent 359.00 ms on a formula simplification that was a NOOP. DAG size: 31 [2018-10-26 21:43:51,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:43:51,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 346 states to 214 states and 346 transitions. [2018-10-26 21:43:51,348 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 346 transitions. [2018-10-26 21:43:51,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2018-10-26 21:43:51,349 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:43:51,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:43:51,464 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 21:43:51,926 WARN L179 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 10 [2018-10-26 21:43:52,797 WARN L179 SmtUtils]: Spent 414.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 32 [2018-10-26 21:43:53,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:43:53,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 372 states to 230 states and 372 transitions. [2018-10-26 21:43:53,153 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 372 transitions. [2018-10-26 21:43:53,154 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2018-10-26 21:43:53,155 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:43:53,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:43:53,191 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 21:43:53,820 WARN L179 SmtUtils]: Spent 288.00 ms on a formula simplification. DAG size of input: 32 DAG size of output: 25 [2018-10-26 21:43:54,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:43:54,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 376 states to 231 states and 376 transitions. [2018-10-26 21:43:54,048 INFO L276 IsEmpty]: Start isEmpty. Operand 231 states and 376 transitions. [2018-10-26 21:43:54,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2018-10-26 21:43:54,049 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:43:54,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:43:54,116 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-10-26 21:43:54,643 WARN L179 SmtUtils]: Spent 147.00 ms on a formula simplification that was a NOOP. DAG size: 15 [2018-10-26 21:43:55,167 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:43:55,168 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 388 states to 242 states and 388 transitions. [2018-10-26 21:43:55,168 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 388 transitions. [2018-10-26 21:43:55,169 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2018-10-26 21:43:55,169 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:43:55,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:43:55,233 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-10-26 21:43:55,622 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:43:55,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 392 states to 245 states and 392 transitions. [2018-10-26 21:43:55,623 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states and 392 transitions. [2018-10-26 21:43:55,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2018-10-26 21:43:55,624 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:43:55,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:43:55,656 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 21:43:56,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:43:56,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 404 states to 254 states and 404 transitions. [2018-10-26 21:43:56,740 INFO L276 IsEmpty]: Start isEmpty. Operand 254 states and 404 transitions. [2018-10-26 21:43:56,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2018-10-26 21:43:56,741 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:43:56,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:43:57,279 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-10-26 21:43:58,107 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:43:58,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 422 states to 266 states and 422 transitions. [2018-10-26 21:43:58,110 INFO L276 IsEmpty]: Start isEmpty. Operand 266 states and 422 transitions. [2018-10-26 21:43:58,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2018-10-26 21:43:58,113 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:43:58,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:43:58,146 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-10-26 21:43:58,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:43:58,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 423 states to 267 states and 423 transitions. [2018-10-26 21:43:58,324 INFO L276 IsEmpty]: Start isEmpty. Operand 267 states and 423 transitions. [2018-10-26 21:43:58,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2018-10-26 21:43:58,325 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:43:58,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:43:58,350 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 21:43:58,658 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:43:58,658 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 439 states to 278 states and 439 transitions. [2018-10-26 21:43:58,658 INFO L276 IsEmpty]: Start isEmpty. Operand 278 states and 439 transitions. [2018-10-26 21:43:58,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2018-10-26 21:43:58,659 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:43:58,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:43:58,685 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-10-26 21:43:58,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:43:58,915 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 453 states to 290 states and 453 transitions. [2018-10-26 21:43:58,915 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 453 transitions. [2018-10-26 21:43:58,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2018-10-26 21:43:58,916 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:43:58,925 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:43:58,945 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-10-26 21:43:59,124 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:43:59,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 458 states to 294 states and 458 transitions. [2018-10-26 21:43:59,125 INFO L276 IsEmpty]: Start isEmpty. Operand 294 states and 458 transitions. [2018-10-26 21:43:59,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2018-10-26 21:43:59,126 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:43:59,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:44:00,291 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 21:44:01,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:44:01,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 495 states to 322 states and 495 transitions. [2018-10-26 21:44:01,265 INFO L276 IsEmpty]: Start isEmpty. Operand 322 states and 495 transitions. [2018-10-26 21:44:01,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2018-10-26 21:44:01,266 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:44:01,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:44:01,301 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-10-26 21:44:01,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:44:01,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 503 states to 331 states and 503 transitions. [2018-10-26 21:44:01,609 INFO L276 IsEmpty]: Start isEmpty. Operand 331 states and 503 transitions. [2018-10-26 21:44:01,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2018-10-26 21:44:01,610 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:44:01,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:44:01,643 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-10-26 21:44:01,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:44:01,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 508 states to 335 states and 508 transitions. [2018-10-26 21:44:01,814 INFO L276 IsEmpty]: Start isEmpty. Operand 335 states and 508 transitions. [2018-10-26 21:44:01,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2018-10-26 21:44:01,815 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:44:01,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:44:01,847 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-10-26 21:44:02,063 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:44:02,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 511 states to 339 states and 511 transitions. [2018-10-26 21:44:02,064 INFO L276 IsEmpty]: Start isEmpty. Operand 339 states and 511 transitions. [2018-10-26 21:44:02,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2018-10-26 21:44:02,065 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:44:02,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:44:02,094 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 21:44:02,626 WARN L179 SmtUtils]: Spent 158.00 ms on a formula simplification that was a NOOP. DAG size: 15 [2018-10-26 21:44:03,059 WARN L179 SmtUtils]: Spent 155.00 ms on a formula simplification that was a NOOP. DAG size: 14 [2018-10-26 21:44:04,391 WARN L179 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 16 [2018-10-26 21:44:04,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:44:04,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 529 states to 355 states and 529 transitions. [2018-10-26 21:44:04,962 INFO L276 IsEmpty]: Start isEmpty. Operand 355 states and 529 transitions. [2018-10-26 21:44:04,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2018-10-26 21:44:04,963 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:44:04,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:44:04,991 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 21:44:05,523 WARN L179 SmtUtils]: Spent 231.00 ms on a formula simplification that was a NOOP. DAG size: 22 [2018-10-26 21:44:06,007 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:44:06,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 533 states to 359 states and 533 transitions. [2018-10-26 21:44:06,008 INFO L276 IsEmpty]: Start isEmpty. Operand 359 states and 533 transitions. [2018-10-26 21:44:06,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2018-10-26 21:44:06,009 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:44:06,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:44:06,042 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-10-26 21:44:06,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:44:06,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 535 states to 361 states and 535 transitions. [2018-10-26 21:44:06,208 INFO L276 IsEmpty]: Start isEmpty. Operand 361 states and 535 transitions. [2018-10-26 21:44:06,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2018-10-26 21:44:06,208 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:44:06,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:44:06,448 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 21:44:06,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:44:06,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 549 states to 367 states and 549 transitions. [2018-10-26 21:44:06,755 INFO L276 IsEmpty]: Start isEmpty. Operand 367 states and 549 transitions. [2018-10-26 21:44:06,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2018-10-26 21:44:06,755 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:44:06,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:44:06,936 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 21:44:07,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:44:07,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 632 states to 438 states and 632 transitions. [2018-10-26 21:44:07,573 INFO L276 IsEmpty]: Start isEmpty. Operand 438 states and 632 transitions. [2018-10-26 21:44:07,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2018-10-26 21:44:07,574 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:44:07,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:44:07,918 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 47 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 21:44:09,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:44:09,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 686 states to 481 states and 686 transitions. [2018-10-26 21:44:09,216 INFO L276 IsEmpty]: Start isEmpty. Operand 481 states and 686 transitions. [2018-10-26 21:44:09,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2018-10-26 21:44:09,217 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:44:09,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:44:09,879 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 56 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 21:44:10,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:44:10,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 722 states to 512 states and 722 transitions. [2018-10-26 21:44:10,980 INFO L276 IsEmpty]: Start isEmpty. Operand 512 states and 722 transitions. [2018-10-26 21:44:10,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2018-10-26 21:44:10,981 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:44:10,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:44:11,105 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 53 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-10-26 21:44:12,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:44:12,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 741 states to 526 states and 741 transitions. [2018-10-26 21:44:12,110 INFO L276 IsEmpty]: Start isEmpty. Operand 526 states and 741 transitions. [2018-10-26 21:44:12,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2018-10-26 21:44:12,111 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:44:12,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:44:12,148 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 21:44:13,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:44:13,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 760 states to 545 states and 760 transitions. [2018-10-26 21:44:13,112 INFO L276 IsEmpty]: Start isEmpty. Operand 545 states and 760 transitions. [2018-10-26 21:44:13,112 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2018-10-26 21:44:13,112 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:44:13,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:44:13,142 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 21:44:13,798 WARN L179 SmtUtils]: Spent 171.00 ms on a formula simplification that was a NOOP. DAG size: 19 [2018-10-26 21:44:14,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:44:14,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 774 states to 559 states and 774 transitions. [2018-10-26 21:44:14,582 INFO L276 IsEmpty]: Start isEmpty. Operand 559 states and 774 transitions. [2018-10-26 21:44:14,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2018-10-26 21:44:14,582 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:44:14,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:44:15,221 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 81 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 21:44:16,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:44:16,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 824 states to 584 states and 824 transitions. [2018-10-26 21:44:16,647 INFO L276 IsEmpty]: Start isEmpty. Operand 584 states and 824 transitions. [2018-10-26 21:44:16,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2018-10-26 21:44:16,648 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:44:16,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:44:16,681 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 81 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 21:44:17,923 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:44:17,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 857 states to 603 states and 857 transitions. [2018-10-26 21:44:17,924 INFO L276 IsEmpty]: Start isEmpty. Operand 603 states and 857 transitions. [2018-10-26 21:44:17,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2018-10-26 21:44:17,924 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:44:17,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:44:17,953 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 81 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 21:44:18,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:44:18,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 869 states to 613 states and 869 transitions. [2018-10-26 21:44:18,275 INFO L276 IsEmpty]: Start isEmpty. Operand 613 states and 869 transitions. [2018-10-26 21:44:18,275 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2018-10-26 21:44:18,275 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:44:18,284 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:44:18,304 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 81 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 21:44:19,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:44:19,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 883 states to 624 states and 883 transitions. [2018-10-26 21:44:19,355 INFO L276 IsEmpty]: Start isEmpty. Operand 624 states and 883 transitions. [2018-10-26 21:44:19,356 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2018-10-26 21:44:19,356 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:44:19,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:44:19,386 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 58 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 21:44:20,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:44:20,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 918 states to 653 states and 918 transitions. [2018-10-26 21:44:20,225 INFO L276 IsEmpty]: Start isEmpty. Operand 653 states and 918 transitions. [2018-10-26 21:44:20,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2018-10-26 21:44:20,226 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:44:20,234 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:44:21,044 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 67 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-10-26 21:44:22,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:44:22,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 929 states to 658 states and 929 transitions. [2018-10-26 21:44:22,102 INFO L276 IsEmpty]: Start isEmpty. Operand 658 states and 929 transitions. [2018-10-26 21:44:22,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2018-10-26 21:44:22,103 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:44:22,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:44:22,135 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 59 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2018-10-26 21:44:22,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:44:22,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 938 states to 665 states and 938 transitions. [2018-10-26 21:44:22,715 INFO L276 IsEmpty]: Start isEmpty. Operand 665 states and 938 transitions. [2018-10-26 21:44:22,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2018-10-26 21:44:22,716 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:44:22,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:44:22,749 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 59 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2018-10-26 21:44:23,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:44:23,396 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 951 states to 678 states and 951 transitions. [2018-10-26 21:44:23,396 INFO L276 IsEmpty]: Start isEmpty. Operand 678 states and 951 transitions. [2018-10-26 21:44:23,397 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2018-10-26 21:44:23,397 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:44:23,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:44:23,430 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 59 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2018-10-26 21:44:24,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:44:24,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 957 states to 686 states and 957 transitions. [2018-10-26 21:44:24,180 INFO L276 IsEmpty]: Start isEmpty. Operand 686 states and 957 transitions. [2018-10-26 21:44:24,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2018-10-26 21:44:24,181 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:44:24,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:44:24,367 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 60 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 21:44:25,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:44:25,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1007 states to 727 states and 1007 transitions. [2018-10-26 21:44:25,860 INFO L276 IsEmpty]: Start isEmpty. Operand 727 states and 1007 transitions. [2018-10-26 21:44:25,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2018-10-26 21:44:25,861 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:44:25,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:44:25,889 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 84 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 21:44:26,797 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:44:26,798 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1030 states to 743 states and 1030 transitions. [2018-10-26 21:44:26,798 INFO L276 IsEmpty]: Start isEmpty. Operand 743 states and 1030 transitions. [2018-10-26 21:44:26,799 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2018-10-26 21:44:26,799 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:44:26,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:44:26,827 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 84 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 21:44:27,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:44:27,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1034 states to 747 states and 1034 transitions. [2018-10-26 21:44:27,056 INFO L276 IsEmpty]: Start isEmpty. Operand 747 states and 1034 transitions. [2018-10-26 21:44:27,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2018-10-26 21:44:27,056 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:44:27,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:44:27,112 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 84 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 21:44:27,339 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:44:27,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1038 states to 748 states and 1038 transitions. [2018-10-26 21:44:27,340 INFO L276 IsEmpty]: Start isEmpty. Operand 748 states and 1038 transitions. [2018-10-26 21:44:27,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2018-10-26 21:44:27,341 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:44:27,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:44:27,414 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 76 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-10-26 21:44:28,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:44:28,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1063 states to 763 states and 1063 transitions. [2018-10-26 21:44:28,103 INFO L276 IsEmpty]: Start isEmpty. Operand 763 states and 1063 transitions. [2018-10-26 21:44:28,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2018-10-26 21:44:28,104 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:44:28,111 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:44:28,344 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 76 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-10-26 21:44:28,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:44:28,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1073 states to 773 states and 1073 transitions. [2018-10-26 21:44:28,581 INFO L276 IsEmpty]: Start isEmpty. Operand 773 states and 1073 transitions. [2018-10-26 21:44:28,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2018-10-26 21:44:28,582 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:44:28,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:44:28,621 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-10-26 21:44:29,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:44:29,380 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1088 states to 779 states and 1088 transitions. [2018-10-26 21:44:29,380 INFO L276 IsEmpty]: Start isEmpty. Operand 779 states and 1088 transitions. [2018-10-26 21:44:29,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2018-10-26 21:44:29,380 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:44:29,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:44:29,421 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-10-26 21:44:29,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:44:29,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1092 states to 780 states and 1092 transitions. [2018-10-26 21:44:29,869 INFO L276 IsEmpty]: Start isEmpty. Operand 780 states and 1092 transitions. [2018-10-26 21:44:29,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2018-10-26 21:44:29,870 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:44:29,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:44:29,903 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-10-26 21:44:30,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:44:30,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1095 states to 781 states and 1095 transitions. [2018-10-26 21:44:30,142 INFO L276 IsEmpty]: Start isEmpty. Operand 781 states and 1095 transitions. [2018-10-26 21:44:30,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2018-10-26 21:44:30,144 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:44:30,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:44:30,173 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-10-26 21:44:30,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:44:30,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1098 states to 782 states and 1098 transitions. [2018-10-26 21:44:30,417 INFO L276 IsEmpty]: Start isEmpty. Operand 782 states and 1098 transitions. [2018-10-26 21:44:30,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2018-10-26 21:44:30,418 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:44:30,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:44:30,674 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 61 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2018-10-26 21:44:31,984 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:44:31,985 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1120 states to 802 states and 1120 transitions. [2018-10-26 21:44:31,985 INFO L276 IsEmpty]: Start isEmpty. Operand 802 states and 1120 transitions. [2018-10-26 21:44:31,986 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2018-10-26 21:44:31,986 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:44:31,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:44:32,082 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 63 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-10-26 21:44:33,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:44:33,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1164 states to 836 states and 1164 transitions. [2018-10-26 21:44:33,156 INFO L276 IsEmpty]: Start isEmpty. Operand 836 states and 1164 transitions. [2018-10-26 21:44:33,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2018-10-26 21:44:33,157 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:44:33,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:44:33,202 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 63 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-10-26 21:44:34,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:44:34,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1189 states to 858 states and 1189 transitions. [2018-10-26 21:44:34,042 INFO L276 IsEmpty]: Start isEmpty. Operand 858 states and 1189 transitions. [2018-10-26 21:44:34,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2018-10-26 21:44:34,043 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:44:34,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:44:34,233 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 77 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-10-26 21:44:34,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:44:34,684 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1191 states to 860 states and 1191 transitions. [2018-10-26 21:44:34,685 INFO L276 IsEmpty]: Start isEmpty. Operand 860 states and 1191 transitions. [2018-10-26 21:44:34,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2018-10-26 21:44:34,686 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:44:34,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:44:34,727 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 64 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2018-10-26 21:44:35,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:44:35,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1201 states to 867 states and 1201 transitions. [2018-10-26 21:44:35,076 INFO L276 IsEmpty]: Start isEmpty. Operand 867 states and 1201 transitions. [2018-10-26 21:44:35,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2018-10-26 21:44:35,077 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:44:35,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:44:35,119 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 65 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-10-26 21:44:36,289 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:44:36,290 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1244 states to 906 states and 1244 transitions. [2018-10-26 21:44:36,290 INFO L276 IsEmpty]: Start isEmpty. Operand 906 states and 1244 transitions. [2018-10-26 21:44:36,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2018-10-26 21:44:36,291 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:44:36,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:44:36,324 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 65 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-10-26 21:44:37,042 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:44:37,043 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1272 states to 933 states and 1272 transitions. [2018-10-26 21:44:37,043 INFO L276 IsEmpty]: Start isEmpty. Operand 933 states and 1272 transitions. [2018-10-26 21:44:37,044 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2018-10-26 21:44:37,044 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:44:37,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:44:37,084 INFO L134 CoverageAnalysis]: Checked inductivity of 73 backedges. 66 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-10-26 21:44:39,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:44:39,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1333 states to 981 states and 1333 transitions. [2018-10-26 21:44:39,554 INFO L276 IsEmpty]: Start isEmpty. Operand 981 states and 1333 transitions. [2018-10-26 21:44:39,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2018-10-26 21:44:39,555 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:44:39,567 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:44:39,590 INFO L134 CoverageAnalysis]: Checked inductivity of 73 backedges. 66 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-10-26 21:44:40,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:44:40,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1364 states to 1009 states and 1364 transitions. [2018-10-26 21:44:40,432 INFO L276 IsEmpty]: Start isEmpty. Operand 1009 states and 1364 transitions. [2018-10-26 21:44:40,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2018-10-26 21:44:40,433 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:44:40,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:44:40,518 INFO L134 CoverageAnalysis]: Checked inductivity of 73 backedges. 66 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-10-26 21:44:40,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:44:40,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1366 states to 1010 states and 1366 transitions. [2018-10-26 21:44:40,830 INFO L276 IsEmpty]: Start isEmpty. Operand 1010 states and 1366 transitions. [2018-10-26 21:44:40,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2018-10-26 21:44:40,831 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:44:40,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:44:40,868 INFO L134 CoverageAnalysis]: Checked inductivity of 73 backedges. 66 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-10-26 21:44:41,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:44:41,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1369 states to 1011 states and 1369 transitions. [2018-10-26 21:44:41,174 INFO L276 IsEmpty]: Start isEmpty. Operand 1011 states and 1369 transitions. [2018-10-26 21:44:41,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2018-10-26 21:44:41,175 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:44:41,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:44:41,208 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 75 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2018-10-26 21:44:41,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:44:41,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1377 states to 1017 states and 1377 transitions. [2018-10-26 21:44:41,630 INFO L276 IsEmpty]: Start isEmpty. Operand 1017 states and 1377 transitions. [2018-10-26 21:44:41,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2018-10-26 21:44:41,631 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:44:41,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:44:41,671 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 68 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-10-26 21:44:42,411 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:44:42,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1414 states to 1047 states and 1414 transitions. [2018-10-26 21:44:42,412 INFO L276 IsEmpty]: Start isEmpty. Operand 1047 states and 1414 transitions. [2018-10-26 21:44:42,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2018-10-26 21:44:42,413 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:44:42,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:44:42,457 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 68 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-10-26 21:44:43,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:44:43,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1430 states to 1062 states and 1430 transitions. [2018-10-26 21:44:43,059 INFO L276 IsEmpty]: Start isEmpty. Operand 1062 states and 1430 transitions. [2018-10-26 21:44:43,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2018-10-26 21:44:43,060 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:44:43,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:44:43,085 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 68 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-10-26 21:44:43,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:44:43,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1449 states to 1080 states and 1449 transitions. [2018-10-26 21:44:43,483 INFO L276 IsEmpty]: Start isEmpty. Operand 1080 states and 1449 transitions. [2018-10-26 21:44:43,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2018-10-26 21:44:43,484 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:44:43,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:44:43,527 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 68 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-10-26 21:44:43,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:44:43,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1450 states to 1081 states and 1450 transitions. [2018-10-26 21:44:43,860 INFO L276 IsEmpty]: Start isEmpty. Operand 1081 states and 1450 transitions. [2018-10-26 21:44:43,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2018-10-26 21:44:43,861 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:44:43,869 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:44:43,886 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 68 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-10-26 21:44:44,152 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:44:44,153 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1451 states to 1082 states and 1451 transitions. [2018-10-26 21:44:44,154 INFO L276 IsEmpty]: Start isEmpty. Operand 1082 states and 1451 transitions. [2018-10-26 21:44:44,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2018-10-26 21:44:44,155 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:44:44,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:44:44,197 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 68 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-10-26 21:44:44,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:44:44,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1484 states to 1112 states and 1484 transitions. [2018-10-26 21:44:44,877 INFO L276 IsEmpty]: Start isEmpty. Operand 1112 states and 1484 transitions. [2018-10-26 21:44:44,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2018-10-26 21:44:44,878 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:44:44,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:44:44,907 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 68 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 21:44:45,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:44:45,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1493 states to 1121 states and 1493 transitions. [2018-10-26 21:44:45,137 INFO L276 IsEmpty]: Start isEmpty. Operand 1121 states and 1493 transitions. [2018-10-26 21:44:45,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2018-10-26 21:44:45,138 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:44:45,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:44:45,235 INFO L134 CoverageAnalysis]: Checked inductivity of 111 backedges. 84 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2018-10-26 21:44:45,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:44:45,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1494 states to 1122 states and 1494 transitions. [2018-10-26 21:44:45,484 INFO L276 IsEmpty]: Start isEmpty. Operand 1122 states and 1494 transitions. [2018-10-26 21:44:45,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2018-10-26 21:44:45,485 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:44:45,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:44:45,553 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2018-10-26 21:44:45,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:44:45,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1503 states to 1128 states and 1503 transitions. [2018-10-26 21:44:45,873 INFO L276 IsEmpty]: Start isEmpty. Operand 1128 states and 1503 transitions. [2018-10-26 21:44:45,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2018-10-26 21:44:45,874 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:44:45,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:44:46,075 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 89 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2018-10-26 21:44:46,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:44:46,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1517 states to 1137 states and 1517 transitions. [2018-10-26 21:44:46,662 INFO L276 IsEmpty]: Start isEmpty. Operand 1137 states and 1517 transitions. [2018-10-26 21:44:46,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2018-10-26 21:44:46,663 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:44:46,669 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:44:46,786 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 85 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2018-10-26 21:44:47,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:44:47,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1526 states to 1144 states and 1526 transitions. [2018-10-26 21:44:47,400 INFO L276 IsEmpty]: Start isEmpty. Operand 1144 states and 1526 transitions. [2018-10-26 21:44:47,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2018-10-26 21:44:47,401 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:44:47,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:44:48,201 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 99 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 21:44:51,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:44:51,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1566 states to 1170 states and 1566 transitions. [2018-10-26 21:44:51,020 INFO L276 IsEmpty]: Start isEmpty. Operand 1170 states and 1566 transitions. [2018-10-26 21:44:51,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2018-10-26 21:44:51,021 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:44:51,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:44:51,101 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 99 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 21:44:52,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:44:52,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1583 states to 1185 states and 1583 transitions. [2018-10-26 21:44:52,478 INFO L276 IsEmpty]: Start isEmpty. Operand 1185 states and 1583 transitions. [2018-10-26 21:44:52,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2018-10-26 21:44:52,479 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:44:52,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:44:52,543 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 99 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 21:44:52,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:44:52,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1587 states to 1189 states and 1587 transitions. [2018-10-26 21:44:52,855 INFO L276 IsEmpty]: Start isEmpty. Operand 1189 states and 1587 transitions. [2018-10-26 21:44:52,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2018-10-26 21:44:52,856 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:44:52,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:44:52,931 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 99 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 21:44:53,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:44:53,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1590 states to 1192 states and 1590 transitions. [2018-10-26 21:44:53,551 INFO L276 IsEmpty]: Start isEmpty. Operand 1192 states and 1590 transitions. [2018-10-26 21:44:53,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2018-10-26 21:44:53,551 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:44:53,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:44:53,613 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 99 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 21:44:53,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:44:53,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1593 states to 1196 states and 1593 transitions. [2018-10-26 21:44:53,948 INFO L276 IsEmpty]: Start isEmpty. Operand 1196 states and 1593 transitions. [2018-10-26 21:44:53,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2018-10-26 21:44:53,949 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:44:53,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:44:53,975 INFO L134 CoverageAnalysis]: Checked inductivity of 83 backedges. 76 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-10-26 21:44:54,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:44:54,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1602 states to 1204 states and 1602 transitions. [2018-10-26 21:44:54,016 INFO L276 IsEmpty]: Start isEmpty. Operand 1204 states and 1602 transitions. [2018-10-26 21:44:54,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2018-10-26 21:44:54,017 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:44:54,028 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:44:54,047 INFO L134 CoverageAnalysis]: Checked inductivity of 83 backedges. 76 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-10-26 21:44:54,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:44:54,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1602 states to 1205 states and 1602 transitions. [2018-10-26 21:44:54,424 INFO L276 IsEmpty]: Start isEmpty. Operand 1205 states and 1602 transitions. [2018-10-26 21:44:54,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2018-10-26 21:44:54,426 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:44:54,433 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:44:54,669 INFO L134 CoverageAnalysis]: Checked inductivity of 127 backedges. 102 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-10-26 21:44:55,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:44:55,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1605 states to 1207 states and 1605 transitions. [2018-10-26 21:44:55,201 INFO L276 IsEmpty]: Start isEmpty. Operand 1207 states and 1605 transitions. [2018-10-26 21:44:55,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2018-10-26 21:44:55,202 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:44:55,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:44:55,225 INFO L134 CoverageAnalysis]: Checked inductivity of 130 backedges. 91 proven. 0 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2018-10-26 21:44:55,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:44:55,545 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1609 states to 1210 states and 1609 transitions. [2018-10-26 21:44:55,545 INFO L276 IsEmpty]: Start isEmpty. Operand 1210 states and 1609 transitions. [2018-10-26 21:44:55,546 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2018-10-26 21:44:55,546 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:44:55,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:44:55,586 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 78 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2018-10-26 21:44:56,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:44:56,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1638 states to 1240 states and 1638 transitions. [2018-10-26 21:44:56,329 INFO L276 IsEmpty]: Start isEmpty. Operand 1240 states and 1638 transitions. [2018-10-26 21:44:56,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2018-10-26 21:44:56,330 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:44:56,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:44:56,373 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 78 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2018-10-26 21:44:56,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:44:56,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1646 states to 1248 states and 1646 transitions. [2018-10-26 21:44:56,574 INFO L276 IsEmpty]: Start isEmpty. Operand 1248 states and 1646 transitions. [2018-10-26 21:44:56,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2018-10-26 21:44:56,575 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:44:56,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:44:56,612 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 78 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2018-10-26 21:44:56,955 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:44:56,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1649 states to 1252 states and 1649 transitions. [2018-10-26 21:44:56,956 INFO L276 IsEmpty]: Start isEmpty. Operand 1252 states and 1649 transitions. [2018-10-26 21:44:56,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2018-10-26 21:44:56,958 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:44:56,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:44:56,983 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 103 proven. 1 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2018-10-26 21:44:58,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:44:58,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1678 states to 1272 states and 1678 transitions. [2018-10-26 21:44:58,585 INFO L276 IsEmpty]: Start isEmpty. Operand 1272 states and 1678 transitions. [2018-10-26 21:44:58,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2018-10-26 21:44:58,586 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:44:58,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:44:58,617 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 84 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-10-26 21:44:58,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:44:58,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1685 states to 1278 states and 1685 transitions. [2018-10-26 21:44:58,952 INFO L276 IsEmpty]: Start isEmpty. Operand 1278 states and 1685 transitions. [2018-10-26 21:44:58,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2018-10-26 21:44:58,954 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:44:58,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:44:58,993 INFO L134 CoverageAnalysis]: Checked inductivity of 122 backedges. 122 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-26 21:44:59,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:44:59,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1690 states to 1283 states and 1690 transitions. [2018-10-26 21:44:59,301 INFO L276 IsEmpty]: Start isEmpty. Operand 1283 states and 1690 transitions. [2018-10-26 21:44:59,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2018-10-26 21:44:59,303 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:44:59,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:44:59,336 INFO L134 CoverageAnalysis]: Checked inductivity of 166 backedges. 114 proven. 0 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2018-10-26 21:44:59,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:44:59,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1699 states to 1292 states and 1699 transitions. [2018-10-26 21:44:59,510 INFO L276 IsEmpty]: Start isEmpty. Operand 1292 states and 1699 transitions. [2018-10-26 21:44:59,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2018-10-26 21:44:59,511 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:44:59,519 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:44:59,537 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 143 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-10-26 21:45:00,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:45:00,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1722 states to 1312 states and 1722 transitions. [2018-10-26 21:45:00,382 INFO L276 IsEmpty]: Start isEmpty. Operand 1312 states and 1722 transitions. [2018-10-26 21:45:00,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2018-10-26 21:45:00,383 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:45:00,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:45:00,481 INFO L134 CoverageAnalysis]: Checked inductivity of 170 backedges. 116 proven. 5 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2018-10-26 21:45:00,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:45:00,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1737 states to 1322 states and 1737 transitions. [2018-10-26 21:45:00,955 INFO L276 IsEmpty]: Start isEmpty. Operand 1322 states and 1737 transitions. [2018-10-26 21:45:00,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2018-10-26 21:45:00,956 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:45:00,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:45:00,989 INFO L134 CoverageAnalysis]: Checked inductivity of 176 backedges. 94 proven. 0 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2018-10-26 21:45:02,267 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:45:02,268 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1770 states to 1354 states and 1770 transitions. [2018-10-26 21:45:02,268 INFO L276 IsEmpty]: Start isEmpty. Operand 1354 states and 1770 transitions. [2018-10-26 21:45:02,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2018-10-26 21:45:02,269 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:45:02,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:45:02,299 INFO L134 CoverageAnalysis]: Checked inductivity of 178 backedges. 148 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-10-26 21:45:02,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:45:02,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1783 states to 1367 states and 1783 transitions. [2018-10-26 21:45:02,814 INFO L276 IsEmpty]: Start isEmpty. Operand 1367 states and 1783 transitions. [2018-10-26 21:45:02,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2018-10-26 21:45:02,815 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:45:02,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:45:02,843 INFO L134 CoverageAnalysis]: Checked inductivity of 178 backedges. 148 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-10-26 21:45:03,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:45:03,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1786 states to 1371 states and 1786 transitions. [2018-10-26 21:45:03,070 INFO L276 IsEmpty]: Start isEmpty. Operand 1371 states and 1786 transitions. [2018-10-26 21:45:03,071 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2018-10-26 21:45:03,071 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:45:03,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:45:03,115 INFO L134 CoverageAnalysis]: Checked inductivity of 123 backedges. 97 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2018-10-26 21:45:04,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:45:04,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1830 states to 1410 states and 1830 transitions. [2018-10-26 21:45:04,540 INFO L276 IsEmpty]: Start isEmpty. Operand 1410 states and 1830 transitions. [2018-10-26 21:45:04,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2018-10-26 21:45:04,541 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:45:04,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:45:04,578 INFO L134 CoverageAnalysis]: Checked inductivity of 123 backedges. 97 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2018-10-26 21:45:04,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:45:04,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1835 states to 1415 states and 1835 transitions. [2018-10-26 21:45:04,928 INFO L276 IsEmpty]: Start isEmpty. Operand 1415 states and 1835 transitions. [2018-10-26 21:45:04,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2018-10-26 21:45:04,929 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:45:04,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:45:05,065 INFO L134 CoverageAnalysis]: Checked inductivity of 123 backedges. 97 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2018-10-26 21:45:05,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:45:05,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1842 states to 1420 states and 1842 transitions. [2018-10-26 21:45:05,424 INFO L276 IsEmpty]: Start isEmpty. Operand 1420 states and 1842 transitions. [2018-10-26 21:45:05,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2018-10-26 21:45:05,426 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:45:05,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:45:05,462 INFO L134 CoverageAnalysis]: Checked inductivity of 137 backedges. 102 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2018-10-26 21:45:05,668 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:45:05,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1844 states to 1423 states and 1844 transitions. [2018-10-26 21:45:05,669 INFO L276 IsEmpty]: Start isEmpty. Operand 1423 states and 1844 transitions. [2018-10-26 21:45:05,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2018-10-26 21:45:05,670 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:45:05,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:45:05,710 INFO L134 CoverageAnalysis]: Checked inductivity of 137 backedges. 102 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2018-10-26 21:45:06,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:45:06,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1860 states to 1436 states and 1860 transitions. [2018-10-26 21:45:06,667 INFO L276 IsEmpty]: Start isEmpty. Operand 1436 states and 1860 transitions. [2018-10-26 21:45:06,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2018-10-26 21:45:06,668 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:45:06,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:45:06,708 INFO L134 CoverageAnalysis]: Checked inductivity of 137 backedges. 102 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2018-10-26 21:45:07,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:45:07,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1879 states to 1456 states and 1879 transitions. [2018-10-26 21:45:07,206 INFO L276 IsEmpty]: Start isEmpty. Operand 1456 states and 1879 transitions. [2018-10-26 21:45:07,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2018-10-26 21:45:07,207 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:45:07,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:45:07,254 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 154 trivial. 0 not checked. [2018-10-26 21:45:09,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:45:09,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2001 states to 1570 states and 2001 transitions. [2018-10-26 21:45:09,630 INFO L276 IsEmpty]: Start isEmpty. Operand 1570 states and 2001 transitions. [2018-10-26 21:45:09,631 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2018-10-26 21:45:09,631 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:45:09,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:45:11,113 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 127 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-10-26 21:45:15,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:45:15,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2060 states to 1625 states and 2060 transitions. [2018-10-26 21:45:15,066 INFO L276 IsEmpty]: Start isEmpty. Operand 1625 states and 2060 transitions. [2018-10-26 21:45:15,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2018-10-26 21:45:15,067 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:45:15,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:45:15,120 INFO L134 CoverageAnalysis]: Checked inductivity of 175 backedges. 120 proven. 0 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2018-10-26 21:45:16,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:45:16,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2110 states to 1670 states and 2110 transitions. [2018-10-26 21:45:16,359 INFO L276 IsEmpty]: Start isEmpty. Operand 1670 states and 2110 transitions. [2018-10-26 21:45:16,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2018-10-26 21:45:16,360 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:45:16,370 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:45:16,442 INFO L134 CoverageAnalysis]: Checked inductivity of 175 backedges. 120 proven. 0 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2018-10-26 21:45:18,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:45:18,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2131 states to 1688 states and 2131 transitions. [2018-10-26 21:45:18,180 INFO L276 IsEmpty]: Start isEmpty. Operand 1688 states and 2131 transitions. [2018-10-26 21:45:18,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2018-10-26 21:45:18,182 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:45:18,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:45:18,232 INFO L134 CoverageAnalysis]: Checked inductivity of 175 backedges. 120 proven. 0 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2018-10-26 21:45:19,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:45:19,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2157 states to 1710 states and 2157 transitions. [2018-10-26 21:45:19,426 INFO L276 IsEmpty]: Start isEmpty. Operand 1710 states and 2157 transitions. [2018-10-26 21:45:19,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2018-10-26 21:45:19,428 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:45:19,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:45:19,510 INFO L134 CoverageAnalysis]: Checked inductivity of 175 backedges. 120 proven. 0 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2018-10-26 21:45:20,016 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:45:20,017 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2175 states to 1728 states and 2175 transitions. [2018-10-26 21:45:20,018 INFO L276 IsEmpty]: Start isEmpty. Operand 1728 states and 2175 transitions. [2018-10-26 21:45:20,019 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2018-10-26 21:45:20,019 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:45:20,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:45:20,099 INFO L134 CoverageAnalysis]: Checked inductivity of 175 backedges. 120 proven. 0 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2018-10-26 21:45:20,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:45:20,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2177 states to 1729 states and 2177 transitions. [2018-10-26 21:45:20,476 INFO L276 IsEmpty]: Start isEmpty. Operand 1729 states and 2177 transitions. [2018-10-26 21:45:20,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2018-10-26 21:45:20,478 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:45:20,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:45:20,517 INFO L134 CoverageAnalysis]: Checked inductivity of 175 backedges. 120 proven. 0 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2018-10-26 21:45:21,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:45:21,256 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2197 states to 1748 states and 2197 transitions. [2018-10-26 21:45:21,256 INFO L276 IsEmpty]: Start isEmpty. Operand 1748 states and 2197 transitions. [2018-10-26 21:45:21,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2018-10-26 21:45:21,257 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:45:21,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:45:21,327 INFO L134 CoverageAnalysis]: Checked inductivity of 175 backedges. 120 proven. 0 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2018-10-26 21:45:21,767 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:45:21,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2213 states to 1765 states and 2213 transitions. [2018-10-26 21:45:21,768 INFO L276 IsEmpty]: Start isEmpty. Operand 1765 states and 2213 transitions. [2018-10-26 21:45:21,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2018-10-26 21:45:21,770 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:45:21,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:45:21,825 INFO L134 CoverageAnalysis]: Checked inductivity of 175 backedges. 120 proven. 0 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2018-10-26 21:45:23,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:45:23,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2220 states to 1770 states and 2220 transitions. [2018-10-26 21:45:23,047 INFO L276 IsEmpty]: Start isEmpty. Operand 1770 states and 2220 transitions. [2018-10-26 21:45:23,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2018-10-26 21:45:23,049 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:45:23,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:45:23,107 INFO L134 CoverageAnalysis]: Checked inductivity of 187 backedges. 128 proven. 0 refuted. 0 times theorem prover too weak. 59 trivial. 0 not checked. [2018-10-26 21:45:23,596 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:45:23,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2226 states to 1776 states and 2226 transitions. [2018-10-26 21:45:23,597 INFO L276 IsEmpty]: Start isEmpty. Operand 1776 states and 2226 transitions. [2018-10-26 21:45:23,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2018-10-26 21:45:23,599 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:45:23,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:45:23,702 INFO L134 CoverageAnalysis]: Checked inductivity of 232 backedges. 136 proven. 0 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2018-10-26 21:45:24,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:45:24,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2247 states to 1796 states and 2247 transitions. [2018-10-26 21:45:24,504 INFO L276 IsEmpty]: Start isEmpty. Operand 1796 states and 2247 transitions. [2018-10-26 21:45:24,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2018-10-26 21:45:24,507 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:45:24,529 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:45:24,624 INFO L134 CoverageAnalysis]: Checked inductivity of 232 backedges. 136 proven. 0 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2018-10-26 21:45:25,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:45:25,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2248 states to 1797 states and 2248 transitions. [2018-10-26 21:45:25,118 INFO L276 IsEmpty]: Start isEmpty. Operand 1797 states and 2248 transitions. [2018-10-26 21:45:25,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 213 [2018-10-26 21:45:25,119 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:45:25,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:45:27,503 INFO L134 CoverageAnalysis]: Checked inductivity of 241 backedges. 225 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-10-26 21:45:29,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:45:29,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2255 states to 1802 states and 2255 transitions. [2018-10-26 21:45:29,725 INFO L276 IsEmpty]: Start isEmpty. Operand 1802 states and 2255 transitions. [2018-10-26 21:45:29,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2018-10-26 21:45:29,727 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:45:29,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:45:29,789 INFO L134 CoverageAnalysis]: Checked inductivity of 207 backedges. 139 proven. 0 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2018-10-26 21:45:29,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:45:29,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2264 states to 1805 states and 2264 transitions. [2018-10-26 21:45:29,850 INFO L276 IsEmpty]: Start isEmpty. Operand 1805 states and 2264 transitions. [2018-10-26 21:45:29,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2018-10-26 21:45:29,852 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:45:29,866 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:45:29,913 INFO L134 CoverageAnalysis]: Checked inductivity of 207 backedges. 139 proven. 0 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2018-10-26 21:45:31,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:45:31,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2284 states to 1821 states and 2284 transitions. [2018-10-26 21:45:31,182 INFO L276 IsEmpty]: Start isEmpty. Operand 1821 states and 2284 transitions. [2018-10-26 21:45:31,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2018-10-26 21:45:31,183 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:45:31,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:45:31,257 INFO L134 CoverageAnalysis]: Checked inductivity of 207 backedges. 139 proven. 0 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2018-10-26 21:45:32,160 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:45:32,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2290 states to 1827 states and 2290 transitions. [2018-10-26 21:45:32,162 INFO L276 IsEmpty]: Start isEmpty. Operand 1827 states and 2290 transitions. [2018-10-26 21:45:32,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2018-10-26 21:45:32,164 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:45:32,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:45:32,249 INFO L134 CoverageAnalysis]: Checked inductivity of 207 backedges. 139 proven. 0 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2018-10-26 21:45:32,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:45:32,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2297 states to 1832 states and 2297 transitions. [2018-10-26 21:45:32,657 INFO L276 IsEmpty]: Start isEmpty. Operand 1832 states and 2297 transitions. [2018-10-26 21:45:32,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2018-10-26 21:45:32,659 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:45:32,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:45:32,761 INFO L134 CoverageAnalysis]: Checked inductivity of 207 backedges. 139 proven. 0 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2018-10-26 21:45:32,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:45:32,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2303 states to 1837 states and 2303 transitions. [2018-10-26 21:45:32,891 INFO L276 IsEmpty]: Start isEmpty. Operand 1837 states and 2303 transitions. [2018-10-26 21:45:32,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2018-10-26 21:45:32,892 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:45:32,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:45:32,959 INFO L134 CoverageAnalysis]: Checked inductivity of 207 backedges. 139 proven. 0 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2018-10-26 21:45:33,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:45:33,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2313 states to 1848 states and 2313 transitions. [2018-10-26 21:45:33,794 INFO L276 IsEmpty]: Start isEmpty. Operand 1848 states and 2313 transitions. [2018-10-26 21:45:33,795 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2018-10-26 21:45:33,796 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:45:33,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:45:33,858 INFO L134 CoverageAnalysis]: Checked inductivity of 207 backedges. 139 proven. 0 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2018-10-26 21:45:34,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:45:34,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2318 states to 1853 states and 2318 transitions. [2018-10-26 21:45:34,280 INFO L276 IsEmpty]: Start isEmpty. Operand 1853 states and 2318 transitions. [2018-10-26 21:45:34,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2018-10-26 21:45:34,282 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:45:34,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:45:34,364 INFO L134 CoverageAnalysis]: Checked inductivity of 207 backedges. 139 proven. 0 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2018-10-26 21:45:34,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:45:34,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2325 states to 1858 states and 2325 transitions. [2018-10-26 21:45:34,807 INFO L276 IsEmpty]: Start isEmpty. Operand 1858 states and 2325 transitions. [2018-10-26 21:45:34,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2018-10-26 21:45:34,809 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:45:34,826 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:45:34,873 INFO L134 CoverageAnalysis]: Checked inductivity of 207 backedges. 139 proven. 0 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2018-10-26 21:45:35,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:45:35,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2331 states to 1863 states and 2331 transitions. [2018-10-26 21:45:35,271 INFO L276 IsEmpty]: Start isEmpty. Operand 1863 states and 2331 transitions. [2018-10-26 21:45:35,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2018-10-26 21:45:35,272 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:45:35,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:45:35,333 INFO L134 CoverageAnalysis]: Checked inductivity of 207 backedges. 139 proven. 0 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2018-10-26 21:45:36,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:45:36,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2341 states to 1874 states and 2341 transitions. [2018-10-26 21:45:36,088 INFO L276 IsEmpty]: Start isEmpty. Operand 1874 states and 2341 transitions. [2018-10-26 21:45:36,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2018-10-26 21:45:36,090 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:45:36,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:45:36,171 INFO L134 CoverageAnalysis]: Checked inductivity of 212 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 204 trivial. 0 not checked. [2018-10-26 21:45:36,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:45:36,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2346 states to 1879 states and 2346 transitions. [2018-10-26 21:45:36,599 INFO L276 IsEmpty]: Start isEmpty. Operand 1879 states and 2346 transitions. [2018-10-26 21:45:36,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2018-10-26 21:45:36,600 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:45:36,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:45:36,679 INFO L134 CoverageAnalysis]: Checked inductivity of 212 backedges. 0 proven. 8 refuted. 0 times theorem prover too weak. 204 trivial. 0 not checked. [2018-10-26 21:45:37,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:45:37,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2351 states to 1884 states and 2351 transitions. [2018-10-26 21:45:37,119 INFO L276 IsEmpty]: Start isEmpty. Operand 1884 states and 2351 transitions. [2018-10-26 21:45:37,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2018-10-26 21:45:37,120 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:45:37,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:45:37,176 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 147 proven. 0 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2018-10-26 21:45:38,071 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:45:38,072 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2385 states to 1914 states and 2385 transitions. [2018-10-26 21:45:38,072 INFO L276 IsEmpty]: Start isEmpty. Operand 1914 states and 2385 transitions. [2018-10-26 21:45:38,073 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2018-10-26 21:45:38,073 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:45:38,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:45:38,149 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 147 proven. 0 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2018-10-26 21:45:38,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:45:38,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2403 states to 1932 states and 2403 transitions. [2018-10-26 21:45:38,571 INFO L276 IsEmpty]: Start isEmpty. Operand 1932 states and 2403 transitions. [2018-10-26 21:45:38,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2018-10-26 21:45:38,572 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:45:38,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:45:38,629 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 147 proven. 0 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2018-10-26 21:45:39,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:45:39,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2421 states to 1950 states and 2421 transitions. [2018-10-26 21:45:39,132 INFO L276 IsEmpty]: Start isEmpty. Operand 1950 states and 2421 transitions. [2018-10-26 21:45:39,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2018-10-26 21:45:39,134 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:45:39,149 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:45:39,191 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 147 proven. 0 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2018-10-26 21:45:39,465 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:45:39,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2437 states to 1967 states and 2437 transitions. [2018-10-26 21:45:39,466 INFO L276 IsEmpty]: Start isEmpty. Operand 1967 states and 2437 transitions. [2018-10-26 21:45:39,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2018-10-26 21:45:39,468 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:45:39,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:45:39,681 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 147 proven. 0 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2018-10-26 21:45:39,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:45:39,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2457 states to 1988 states and 2457 transitions. [2018-10-26 21:45:39,959 INFO L276 IsEmpty]: Start isEmpty. Operand 1988 states and 2457 transitions. [2018-10-26 21:45:39,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2018-10-26 21:45:39,960 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:45:39,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:45:40,016 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 147 proven. 0 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2018-10-26 21:45:40,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:45:40,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2458 states to 1990 states and 2458 transitions. [2018-10-26 21:45:40,269 INFO L276 IsEmpty]: Start isEmpty. Operand 1990 states and 2458 transitions. [2018-10-26 21:45:40,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2018-10-26 21:45:40,270 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:45:40,285 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:45:40,326 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 147 proven. 0 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2018-10-26 21:45:40,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:45:40,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2460 states to 1992 states and 2460 transitions. [2018-10-26 21:45:40,573 INFO L276 IsEmpty]: Start isEmpty. Operand 1992 states and 2460 transitions. [2018-10-26 21:45:40,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2018-10-26 21:45:40,575 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:45:40,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:45:40,630 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 147 proven. 0 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2018-10-26 21:45:41,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:45:41,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2460 states to 1993 states and 2460 transitions. [2018-10-26 21:45:41,072 INFO L276 IsEmpty]: Start isEmpty. Operand 1993 states and 2460 transitions. [2018-10-26 21:45:41,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2018-10-26 21:45:41,074 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:45:41,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:45:41,132 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 147 proven. 0 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2018-10-26 21:45:41,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:45:41,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2461 states to 1995 states and 2461 transitions. [2018-10-26 21:45:41,392 INFO L276 IsEmpty]: Start isEmpty. Operand 1995 states and 2461 transitions. [2018-10-26 21:45:41,393 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2018-10-26 21:45:41,393 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:45:41,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:45:41,450 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 147 proven. 0 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2018-10-26 21:45:41,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:45:41,688 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2462 states to 1997 states and 2462 transitions. [2018-10-26 21:45:41,688 INFO L276 IsEmpty]: Start isEmpty. Operand 1997 states and 2462 transitions. [2018-10-26 21:45:41,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2018-10-26 21:45:41,689 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:45:41,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:45:41,744 INFO L134 CoverageAnalysis]: Checked inductivity of 230 backedges. 147 proven. 0 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2018-10-26 21:45:41,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:45:41,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2463 states to 1999 states and 2463 transitions. [2018-10-26 21:45:41,969 INFO L276 IsEmpty]: Start isEmpty. Operand 1999 states and 2463 transitions. [2018-10-26 21:45:41,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 225 [2018-10-26 21:45:41,971 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:45:41,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:45:42,057 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 21 proven. 10 refuted. 0 times theorem prover too weak. 204 trivial. 0 not checked. [2018-10-26 21:45:42,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:45:42,486 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2468 states to 2004 states and 2468 transitions. [2018-10-26 21:45:42,486 INFO L276 IsEmpty]: Start isEmpty. Operand 2004 states and 2468 transitions. [2018-10-26 21:45:42,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 225 [2018-10-26 21:45:42,488 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:45:42,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:45:42,692 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 21 proven. 10 refuted. 0 times theorem prover too weak. 204 trivial. 0 not checked. [2018-10-26 21:45:43,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:45:43,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2473 states to 2009 states and 2473 transitions. [2018-10-26 21:45:43,113 INFO L276 IsEmpty]: Start isEmpty. Operand 2009 states and 2473 transitions. [2018-10-26 21:45:43,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 225 [2018-10-26 21:45:43,114 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:45:43,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:45:43,383 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 21 proven. 10 refuted. 0 times theorem prover too weak. 204 trivial. 0 not checked. [2018-10-26 21:45:43,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:45:43,829 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2478 states to 2014 states and 2478 transitions. [2018-10-26 21:45:43,829 INFO L276 IsEmpty]: Start isEmpty. Operand 2014 states and 2478 transitions. [2018-10-26 21:45:43,830 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 238 [2018-10-26 21:45:43,830 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:45:43,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:45:44,001 INFO L134 CoverageAnalysis]: Checked inductivity of 333 backedges. 183 proven. 10 refuted. 0 times theorem prover too weak. 140 trivial. 0 not checked. [2018-10-26 21:45:44,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:45:44,041 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2478 states to 2015 states and 2478 transitions. [2018-10-26 21:45:44,041 INFO L276 IsEmpty]: Start isEmpty. Operand 2015 states and 2478 transitions. [2018-10-26 21:45:44,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 247 [2018-10-26 21:45:44,042 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:45:44,053 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:45:44,107 INFO L134 CoverageAnalysis]: Checked inductivity of 390 backedges. 243 proven. 0 refuted. 0 times theorem prover too weak. 147 trivial. 0 not checked. [2018-10-26 21:45:44,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:45:44,603 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2485 states to 2020 states and 2485 transitions. [2018-10-26 21:45:44,603 INFO L276 IsEmpty]: Start isEmpty. Operand 2020 states and 2485 transitions. [2018-10-26 21:45:44,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 247 [2018-10-26 21:45:44,604 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:45:44,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:45:44,651 INFO L134 CoverageAnalysis]: Checked inductivity of 390 backedges. 243 proven. 0 refuted. 0 times theorem prover too weak. 147 trivial. 0 not checked. [2018-10-26 21:45:45,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:45:45,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2488 states to 2024 states and 2488 transitions. [2018-10-26 21:45:45,078 INFO L276 IsEmpty]: Start isEmpty. Operand 2024 states and 2488 transitions. [2018-10-26 21:45:45,079 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 253 [2018-10-26 21:45:45,079 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:45:45,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:45:45,179 INFO L134 CoverageAnalysis]: Checked inductivity of 332 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 329 trivial. 0 not checked. [2018-10-26 21:45:45,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:45:45,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2491 states to 2028 states and 2491 transitions. [2018-10-26 21:45:45,463 INFO L276 IsEmpty]: Start isEmpty. Operand 2028 states and 2491 transitions. [2018-10-26 21:45:45,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 255 [2018-10-26 21:45:45,465 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:45:45,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:45:45,521 INFO L134 CoverageAnalysis]: Checked inductivity of 430 backedges. 224 proven. 0 refuted. 0 times theorem prover too weak. 206 trivial. 0 not checked. [2018-10-26 21:45:46,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:45:46,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2501 states to 2037 states and 2501 transitions. [2018-10-26 21:45:46,089 INFO L276 IsEmpty]: Start isEmpty. Operand 2037 states and 2501 transitions. [2018-10-26 21:45:46,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 266 [2018-10-26 21:45:46,091 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:45:46,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:45:48,863 INFO L134 CoverageAnalysis]: Checked inductivity of 366 backedges. 287 proven. 0 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2018-10-26 21:45:55,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:45:55,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2577 states to 2108 states and 2577 transitions. [2018-10-26 21:45:55,085 INFO L276 IsEmpty]: Start isEmpty. Operand 2108 states and 2577 transitions. [2018-10-26 21:45:55,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 266 [2018-10-26 21:45:55,087 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:45:55,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:45:55,405 INFO L134 CoverageAnalysis]: Checked inductivity of 366 backedges. 287 proven. 0 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2018-10-26 21:45:56,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:45:56,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2581 states to 2112 states and 2581 transitions. [2018-10-26 21:45:56,132 INFO L276 IsEmpty]: Start isEmpty. Operand 2112 states and 2581 transitions. [2018-10-26 21:45:56,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 266 [2018-10-26 21:45:56,133 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:45:56,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:45:56,330 INFO L134 CoverageAnalysis]: Checked inductivity of 366 backedges. 287 proven. 0 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2018-10-26 21:45:58,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:45:58,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2611 states to 2141 states and 2611 transitions. [2018-10-26 21:45:58,124 INFO L276 IsEmpty]: Start isEmpty. Operand 2141 states and 2611 transitions. [2018-10-26 21:45:58,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 266 [2018-10-26 21:45:58,125 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:45:58,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:45:58,289 INFO L134 CoverageAnalysis]: Checked inductivity of 366 backedges. 287 proven. 0 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2018-10-26 21:45:58,684 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:45:58,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2611 states to 2142 states and 2611 transitions. [2018-10-26 21:45:58,685 INFO L276 IsEmpty]: Start isEmpty. Operand 2142 states and 2611 transitions. [2018-10-26 21:45:58,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 272 [2018-10-26 21:45:58,686 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:45:58,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:45:58,758 INFO L134 CoverageAnalysis]: Checked inductivity of 426 backedges. 258 proven. 0 refuted. 0 times theorem prover too weak. 168 trivial. 0 not checked. [2018-10-26 21:46:01,635 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:46:01,636 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2717 states to 2232 states and 2717 transitions. [2018-10-26 21:46:01,636 INFO L276 IsEmpty]: Start isEmpty. Operand 2232 states and 2717 transitions. [2018-10-26 21:46:01,638 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 344 [2018-10-26 21:46:01,638 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-26 21:46:01,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-26 21:46:01,747 INFO L134 CoverageAnalysis]: Checked inductivity of 695 backedges. 387 proven. 0 refuted. 0 times theorem prover too weak. 308 trivial. 0 not checked. [2018-10-26 21:46:03,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-26 21:46:03,084 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2646 states to 2165 states and 2646 transitions. [2018-10-26 21:46:03,084 INFO L276 IsEmpty]: Start isEmpty. Operand 2165 states and 2646 transitions. [2018-10-26 21:46:03,085 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-10-26 21:46:03,086 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 155 iterations. [2018-10-26 21:46:03,093 INFO L778 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-10-26 21:46:03,444 WARN L179 SmtUtils]: Spent 177.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 38 [2018-10-26 21:46:03,869 WARN L179 SmtUtils]: Spent 159.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 14 [2018-10-26 21:46:04,035 WARN L179 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 38 [2018-10-26 21:46:04,215 WARN L179 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 38 [2018-10-26 21:46:04,405 WARN L179 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 98 DAG size of output: 14 [2018-10-26 21:46:04,891 WARN L179 SmtUtils]: Spent 264.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 38 [2018-10-26 21:46:05,057 WARN L179 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 38 [2018-10-26 21:46:05,418 WARN L179 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 38 [2018-10-26 21:46:06,078 WARN L179 SmtUtils]: Spent 250.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 14 [2018-10-26 21:46:06,412 WARN L179 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 14 [2018-10-26 21:46:07,280 WARN L179 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 14 [2018-10-26 21:46:07,855 WARN L179 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 38 [2018-10-26 21:46:07,982 WARN L179 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 14 [2018-10-26 21:46:08,348 WARN L179 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 38 [2018-10-26 21:46:08,729 WARN L179 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 14 [2018-10-26 21:46:08,729 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-10-26 21:46:08,732 INFO L582 CodeCheckObserver]: Invariant with dag size 14 [2018-10-26 21:46:08,737 INFO L582 CodeCheckObserver]: Invariant with dag size 14 [2018-10-26 21:46:08,737 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 26.10 09:46:08 ImpRootNode [2018-10-26 21:46:08,737 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-10-26 21:46:08,738 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-10-26 21:46:08,738 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-10-26 21:46:08,738 INFO L276 PluginConnector]: Witness Printer initialized [2018-10-26 21:46:08,738 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 26.10 09:43:44" (3/4) ... [2018-10-26 21:46:08,742 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-10-26 21:46:08,761 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 101 nodes and edges [2018-10-26 21:46:08,762 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 19 nodes and edges [2018-10-26 21:46:08,763 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2018-10-26 21:46:08,764 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-10-26 21:46:08,886 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_f681b7d3-21c6-4f33-a3eb-e1ffc56072bb/bin-2019/ukojak/witness.graphml [2018-10-26 21:46:08,888 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-10-26 21:46:08,890 INFO L168 Benchmark]: Toolchain (without parser) took 150391.10 ms. Allocated memory was 1.0 GB in the beginning and 3.3 GB in the end (delta: 2.2 GB). Free memory was 956.6 MB in the beginning and 1.8 GB in the end (delta: -876.6 MB). Peak memory consumption was 1.4 GB. Max. memory is 11.5 GB. [2018-10-26 21:46:08,891 INFO L168 Benchmark]: CDTParser took 0.21 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-26 21:46:08,891 INFO L168 Benchmark]: CACSL2BoogieTranslator took 615.11 ms. Allocated memory is still 1.0 GB. Free memory was 956.6 MB in the beginning and 927.0 MB in the end (delta: 29.5 MB). Peak memory consumption was 29.5 MB. Max. memory is 11.5 GB. [2018-10-26 21:46:08,892 INFO L168 Benchmark]: Boogie Procedure Inliner took 76.28 ms. Allocated memory is still 1.0 GB. Free memory was 927.0 MB in the beginning and 919.0 MB in the end (delta: 8.1 MB). Peak memory consumption was 8.1 MB. Max. memory is 11.5 GB. [2018-10-26 21:46:08,892 INFO L168 Benchmark]: Boogie Preprocessor took 192.56 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 152.0 MB). Free memory was 919.0 MB in the beginning and 1.1 GB in the end (delta: -222.8 MB). Peak memory consumption was 22.4 MB. Max. memory is 11.5 GB. [2018-10-26 21:46:08,892 INFO L168 Benchmark]: RCFGBuilder took 4731.08 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 918.6 MB in the end (delta: 223.2 MB). Peak memory consumption was 223.2 MB. Max. memory is 11.5 GB. [2018-10-26 21:46:08,892 INFO L168 Benchmark]: CodeCheck took 144619.65 ms. Allocated memory was 1.2 GB in the beginning and 3.3 GB in the end (delta: 2.1 GB). Free memory was 918.6 MB in the beginning and 1.9 GB in the end (delta: -958.0 MB). Peak memory consumption was 2.2 GB. Max. memory is 11.5 GB. [2018-10-26 21:46:08,895 INFO L168 Benchmark]: Witness Printer took 151.80 ms. Allocated memory is still 3.3 GB. Free memory was 1.9 GB in the beginning and 1.8 GB in the end (delta: 43.3 MB). Peak memory consumption was 43.3 MB. Max. memory is 11.5 GB. [2018-10-26 21:46:08,897 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, 138.9s OverallTime, 155 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: -671028848 SDtfs, 694673276 SDslu, -1073263616 SDs, 0 SdLazy, -252994948 SolverSat, -599781792 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 829.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 173266 GetRequests, 170552 SyntacticMatches, 1360 SemanticMatches, 1354 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1146434 ImplicationChecksByTransitivity, 116.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.6s SsaConstructionTime, 1.3s SatisfiabilityAnalysisTime, 18.0s InterpolantComputationTime, 24757 NumberOfCodeBlocks, 24757 NumberOfCodeBlocksAsserted, 154 NumberOfCheckSat, 24603 ConstructedInterpolants, 0 QuantifiedInterpolants, 14582569 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 154 InterpolantComputations, 139 PerfectInterpolantSequences, 20723/20842 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: 560]: 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 || !(a16 == 6)) || !(a17 == 1)) || a8 == 15 - InvariantResult [Line: 583]: Loop Invariant Derived loop invariant: ((a20 == 1 || !(a16 == 6)) || !(a17 == 1)) || a8 == 15 * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.21 ms. Allocated memory is still 1.0 GB. Free memory is still 985.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 615.11 ms. Allocated memory is still 1.0 GB. Free memory was 956.6 MB in the beginning and 927.0 MB in the end (delta: 29.5 MB). Peak memory consumption was 29.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 76.28 ms. Allocated memory is still 1.0 GB. Free memory was 927.0 MB in the beginning and 919.0 MB in the end (delta: 8.1 MB). Peak memory consumption was 8.1 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 192.56 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 152.0 MB). Free memory was 919.0 MB in the beginning and 1.1 GB in the end (delta: -222.8 MB). Peak memory consumption was 22.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 4731.08 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 918.6 MB in the end (delta: 223.2 MB). Peak memory consumption was 223.2 MB. Max. memory is 11.5 GB. * CodeCheck took 144619.65 ms. Allocated memory was 1.2 GB in the beginning and 3.3 GB in the end (delta: 2.1 GB). Free memory was 918.6 MB in the beginning and 1.9 GB in the end (delta: -958.0 MB). Peak memory consumption was 2.2 GB. Max. memory is 11.5 GB. * Witness Printer took 151.80 ms. Allocated memory is still 3.3 GB. Free memory was 1.9 GB in the beginning and 1.8 GB in the end (delta: 43.3 MB). Peak memory consumption was 43.3 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...