./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem01_label49_true-unreach-call_false-termination.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_6d33be48-c018-4365-aefe-df09cf297a5b/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_6d33be48-c018-4365-aefe-df09cf297a5b/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_6d33be48-c018-4365-aefe-df09cf297a5b/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_6d33be48-c018-4365-aefe-df09cf297a5b/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem01_label49_true-unreach-call_false-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_6d33be48-c018-4365-aefe-df09cf297a5b/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_6d33be48-c018-4365-aefe-df09cf297a5b/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 083cea80584760e424718c2c8c78f2ce2da05adc ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-08 21:56:49,725 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-08 21:56:49,726 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-08 21:56:49,732 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-08 21:56:49,732 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-08 21:56:49,732 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-08 21:56:49,733 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-08 21:56:49,734 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-08 21:56:49,734 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-08 21:56:49,735 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-08 21:56:49,735 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-08 21:56:49,735 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-08 21:56:49,736 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-08 21:56:49,736 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-08 21:56:49,737 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-08 21:56:49,737 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-08 21:56:49,737 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-08 21:56:49,738 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-08 21:56:49,739 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-08 21:56:49,740 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-08 21:56:49,740 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-08 21:56:49,741 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-08 21:56:49,742 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-08 21:56:49,742 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-08 21:56:49,742 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-08 21:56:49,743 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-08 21:56:49,743 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-08 21:56:49,744 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-08 21:56:49,744 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-08 21:56:49,745 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-08 21:56:49,745 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-08 21:56:49,745 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-08 21:56:49,745 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-08 21:56:49,745 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-08 21:56:49,746 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-08 21:56:49,746 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-08 21:56:49,746 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_6d33be48-c018-4365-aefe-df09cf297a5b/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-12-08 21:56:49,753 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-08 21:56:49,753 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-08 21:56:49,754 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-08 21:56:49,754 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-12-08 21:56:49,754 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-08 21:56:49,754 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-08 21:56:49,754 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-08 21:56:49,755 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-08 21:56:49,755 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-08 21:56:49,755 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-08 21:56:49,755 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-08 21:56:49,755 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-08 21:56:49,755 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-08 21:56:49,755 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-08 21:56:49,755 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-08 21:56:49,755 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-08 21:56:49,755 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-08 21:56:49,755 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-08 21:56:49,755 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-12-08 21:56:49,755 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-12-08 21:56:49,756 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-08 21:56:49,756 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-08 21:56:49,756 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-08 21:56:49,756 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-08 21:56:49,756 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-08 21:56:49,756 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-08 21:56:49,756 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-12-08 21:56:49,756 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-08 21:56:49,756 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-08 21:56:49,756 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_6d33be48-c018-4365-aefe-df09cf297a5b/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 -> 083cea80584760e424718c2c8c78f2ce2da05adc [2018-12-08 21:56:49,773 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-08 21:56:49,780 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-08 21:56:49,782 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-08 21:56:49,783 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-08 21:56:49,783 INFO L276 PluginConnector]: CDTParser initialized [2018-12-08 21:56:49,784 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_6d33be48-c018-4365-aefe-df09cf297a5b/bin-2019/ukojak/../../sv-benchmarks/c/eca-rers2012/Problem01_label49_true-unreach-call_false-termination.c [2018-12-08 21:56:49,818 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_6d33be48-c018-4365-aefe-df09cf297a5b/bin-2019/ukojak/data/e4e0bda19/fd0ffde30a944f7bac5fc2bfae29755c/FLAG90e8f2894 [2018-12-08 21:56:50,193 INFO L307 CDTParser]: Found 1 translation units. [2018-12-08 21:56:50,194 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_6d33be48-c018-4365-aefe-df09cf297a5b/sv-benchmarks/c/eca-rers2012/Problem01_label49_true-unreach-call_false-termination.c [2018-12-08 21:56:50,201 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_6d33be48-c018-4365-aefe-df09cf297a5b/bin-2019/ukojak/data/e4e0bda19/fd0ffde30a944f7bac5fc2bfae29755c/FLAG90e8f2894 [2018-12-08 21:56:50,558 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_6d33be48-c018-4365-aefe-df09cf297a5b/bin-2019/ukojak/data/e4e0bda19/fd0ffde30a944f7bac5fc2bfae29755c [2018-12-08 21:56:50,561 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-08 21:56:50,563 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-08 21:56:50,564 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-08 21:56:50,564 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-08 21:56:50,568 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-08 21:56:50,569 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 09:56:50" (1/1) ... [2018-12-08 21:56:50,572 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@2ec9f2fe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 09:56:50, skipping insertion in model container [2018-12-08 21:56:50,572 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 09:56:50" (1/1) ... [2018-12-08 21:56:50,579 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-08 21:56:50,605 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-08 21:56:50,780 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 21:56:50,783 INFO L191 MainTranslator]: Completed pre-run [2018-12-08 21:56:50,868 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 21:56:50,877 INFO L195 MainTranslator]: Completed translation [2018-12-08 21:56:50,877 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 09:56:50 WrapperNode [2018-12-08 21:56:50,878 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-08 21:56:50,878 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-08 21:56:50,878 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-08 21:56:50,878 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-08 21:56:50,883 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 09:56:50" (1/1) ... [2018-12-08 21:56:50,891 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 09:56:50" (1/1) ... [2018-12-08 21:56:50,917 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-08 21:56:50,917 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-08 21:56:50,917 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-08 21:56:50,917 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-08 21:56:50,923 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 09:56:50" (1/1) ... [2018-12-08 21:56:50,923 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 09:56:50" (1/1) ... [2018-12-08 21:56:50,925 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 09:56:50" (1/1) ... [2018-12-08 21:56:50,925 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 09:56:50" (1/1) ... [2018-12-08 21:56:50,934 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 09:56:50" (1/1) ... [2018-12-08 21:56:50,939 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 09:56:50" (1/1) ... [2018-12-08 21:56:50,942 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 09:56:50" (1/1) ... [2018-12-08 21:56:50,946 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-08 21:56:50,946 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-08 21:56:50,946 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-08 21:56:50,946 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-08 21:56:50,947 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 09:56:50" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_6d33be48-c018-4365-aefe-df09cf297a5b/bin-2019/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-08 21:56:50,985 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-08 21:56:50,985 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-08 21:56:51,887 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-08 21:56:51,887 INFO L280 CfgBuilder]: Removed 7 assue(true) statements. [2018-12-08 21:56:51,888 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 09:56:51 BoogieIcfgContainer [2018-12-08 21:56:51,888 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-08 21:56:51,888 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-12-08 21:56:51,888 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-12-08 21:56:51,895 INFO L276 PluginConnector]: CodeCheck initialized [2018-12-08 21:56:51,895 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 09:56:51" (1/1) ... [2018-12-08 21:56:51,903 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 21:56:51,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 21:56:51,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 76 states and 144 transitions. [2018-12-08 21:56:51,926 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 144 transitions. [2018-12-08 21:56:51,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2018-12-08 21:56:51,928 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 21:56:52,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 21:56:52,117 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 21:56:52,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 21:56:52,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 145 states and 220 transitions. [2018-12-08 21:56:52,402 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 220 transitions. [2018-12-08 21:56:52,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2018-12-08 21:56:52,403 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 21:56:52,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 21:56:52,479 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 21:56:52,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 21:56:52,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 313 states to 215 states and 313 transitions. [2018-12-08 21:56:52,824 INFO L276 IsEmpty]: Start isEmpty. Operand 215 states and 313 transitions. [2018-12-08 21:56:52,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2018-12-08 21:56:52,826 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 21:56:52,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 21:56:52,865 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 21:56:52,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 21:56:52,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 323 states to 220 states and 323 transitions. [2018-12-08 21:56:52,952 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 323 transitions. [2018-12-08 21:56:52,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2018-12-08 21:56:52,953 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 21:56:52,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 21:56:53,002 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 21:56:53,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 21:56:53,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 395 states to 289 states and 395 transitions. [2018-12-08 21:56:53,408 INFO L276 IsEmpty]: Start isEmpty. Operand 289 states and 395 transitions. [2018-12-08 21:56:53,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2018-12-08 21:56:53,410 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 21:56:53,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 21:56:53,431 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 21:56:53,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 21:56:53,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 399 states to 292 states and 399 transitions. [2018-12-08 21:56:53,449 INFO L276 IsEmpty]: Start isEmpty. Operand 292 states and 399 transitions. [2018-12-08 21:56:53,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2018-12-08 21:56:53,450 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 21:56:53,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 21:56:53,491 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 21:56:53,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 21:56:53,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 415 states to 303 states and 415 transitions. [2018-12-08 21:56:53,677 INFO L276 IsEmpty]: Start isEmpty. Operand 303 states and 415 transitions. [2018-12-08 21:56:53,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2018-12-08 21:56:53,680 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 21:56:53,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 21:56:53,710 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 21:56:53,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 21:56:53,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 417 states to 304 states and 417 transitions. [2018-12-08 21:56:53,810 INFO L276 IsEmpty]: Start isEmpty. Operand 304 states and 417 transitions. [2018-12-08 21:56:53,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2018-12-08 21:56:53,811 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 21:56:53,818 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 21:56:53,847 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 21:56:54,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 21:56:54,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 434 states to 316 states and 434 transitions. [2018-12-08 21:56:54,113 INFO L276 IsEmpty]: Start isEmpty. Operand 316 states and 434 transitions. [2018-12-08 21:56:54,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2018-12-08 21:56:54,114 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 21:56:54,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 21:56:54,181 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 21:56:54,531 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 21:56:54,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 454 states to 330 states and 454 transitions. [2018-12-08 21:56:54,532 INFO L276 IsEmpty]: Start isEmpty. Operand 330 states and 454 transitions. [2018-12-08 21:56:54,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 88 [2018-12-08 21:56:54,532 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 21:56:54,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 21:56:54,547 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-08 21:56:54,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 21:56:54,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 456 states to 331 states and 456 transitions. [2018-12-08 21:56:54,621 INFO L276 IsEmpty]: Start isEmpty. Operand 331 states and 456 transitions. [2018-12-08 21:56:54,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2018-12-08 21:56:54,621 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 21:56:54,626 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 21:56:54,635 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-08 21:56:54,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 21:56:54,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 458 states to 332 states and 458 transitions. [2018-12-08 21:56:54,714 INFO L276 IsEmpty]: Start isEmpty. Operand 332 states and 458 transitions. [2018-12-08 21:56:54,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2018-12-08 21:56:54,715 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 21:56:54,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 21:56:54,759 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 21:56:55,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 21:56:55,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 470 states to 343 states and 470 transitions. [2018-12-08 21:56:55,077 INFO L276 IsEmpty]: Start isEmpty. Operand 343 states and 470 transitions. [2018-12-08 21:56:55,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2018-12-08 21:56:55,078 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 21:56:55,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 21:56:55,100 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-12-08 21:56:55,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 21:56:55,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 486 states to 356 states and 486 transitions. [2018-12-08 21:56:55,322 INFO L276 IsEmpty]: Start isEmpty. Operand 356 states and 486 transitions. [2018-12-08 21:56:55,323 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2018-12-08 21:56:55,323 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 21:56:55,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 21:56:55,339 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 21:56:55,747 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 21:56:55,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 509 states to 374 states and 509 transitions. [2018-12-08 21:56:55,748 INFO L276 IsEmpty]: Start isEmpty. Operand 374 states and 509 transitions. [2018-12-08 21:56:55,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2018-12-08 21:56:55,748 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 21:56:55,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 21:56:55,760 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 21:56:55,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 21:56:55,912 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 521 states to 384 states and 521 transitions. [2018-12-08 21:56:55,912 INFO L276 IsEmpty]: Start isEmpty. Operand 384 states and 521 transitions. [2018-12-08 21:56:55,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2018-12-08 21:56:55,913 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 21:56:55,919 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 21:56:55,932 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 21:56:55,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 21:56:55,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 522 states to 385 states and 522 transitions. [2018-12-08 21:56:55,946 INFO L276 IsEmpty]: Start isEmpty. Operand 385 states and 522 transitions. [2018-12-08 21:56:55,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2018-12-08 21:56:55,947 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 21:56:55,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 21:56:55,965 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-08 21:56:56,079 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 21:56:56,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 530 states to 392 states and 530 transitions. [2018-12-08 21:56:56,080 INFO L276 IsEmpty]: Start isEmpty. Operand 392 states and 530 transitions. [2018-12-08 21:56:56,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2018-12-08 21:56:56,081 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 21:56:56,087 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 21:56:56,104 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-08 21:56:56,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 21:56:56,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 531 states to 394 states and 531 transitions. [2018-12-08 21:56:56,166 INFO L276 IsEmpty]: Start isEmpty. Operand 394 states and 531 transitions. [2018-12-08 21:56:56,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2018-12-08 21:56:56,167 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 21:56:56,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 21:56:56,209 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 21:56:56,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 21:56:56,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 550 states to 409 states and 550 transitions. [2018-12-08 21:56:56,510 INFO L276 IsEmpty]: Start isEmpty. Operand 409 states and 550 transitions. [2018-12-08 21:56:56,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2018-12-08 21:56:56,511 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 21:56:56,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 21:56:56,565 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-12-08 21:56:56,746 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 21:56:56,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 568 states to 422 states and 568 transitions. [2018-12-08 21:56:56,746 INFO L276 IsEmpty]: Start isEmpty. Operand 422 states and 568 transitions. [2018-12-08 21:56:56,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2018-12-08 21:56:56,747 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 21:56:56,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 21:56:56,761 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 21:56:56,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 21:56:56,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 570 states to 423 states and 570 transitions. [2018-12-08 21:56:56,780 INFO L276 IsEmpty]: Start isEmpty. Operand 423 states and 570 transitions. [2018-12-08 21:56:56,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2018-12-08 21:56:56,780 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 21:56:56,786 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 21:56:56,827 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 21:56:57,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 21:56:57,004 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 579 states to 431 states and 579 transitions. [2018-12-08 21:56:57,004 INFO L276 IsEmpty]: Start isEmpty. Operand 431 states and 579 transitions. [2018-12-08 21:56:57,004 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2018-12-08 21:56:57,004 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 21:56:57,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 21:56:57,018 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 21:56:57,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 21:56:57,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 581 states to 432 states and 581 transitions. [2018-12-08 21:56:57,028 INFO L276 IsEmpty]: Start isEmpty. Operand 432 states and 581 transitions. [2018-12-08 21:56:57,029 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2018-12-08 21:56:57,029 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 21:56:57,035 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 21:56:57,046 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-08 21:56:57,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 21:56:57,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 599 states to 449 states and 599 transitions. [2018-12-08 21:56:57,422 INFO L276 IsEmpty]: Start isEmpty. Operand 449 states and 599 transitions. [2018-12-08 21:56:57,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2018-12-08 21:56:57,422 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 21:56:57,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 21:56:57,439 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-08 21:56:57,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 21:56:57,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 601 states to 450 states and 601 transitions. [2018-12-08 21:56:57,549 INFO L276 IsEmpty]: Start isEmpty. Operand 450 states and 601 transitions. [2018-12-08 21:56:57,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2018-12-08 21:56:57,549 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 21:56:57,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 21:56:57,564 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-08 21:56:57,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 21:56:57,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 603 states to 451 states and 603 transitions. [2018-12-08 21:56:57,577 INFO L276 IsEmpty]: Start isEmpty. Operand 451 states and 603 transitions. [2018-12-08 21:56:57,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2018-12-08 21:56:57,578 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 21:56:57,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 21:56:57,590 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-12-08 21:56:57,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 21:56:57,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 605 states to 453 states and 605 transitions. [2018-12-08 21:56:57,601 INFO L276 IsEmpty]: Start isEmpty. Operand 453 states and 605 transitions. [2018-12-08 21:56:57,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2018-12-08 21:56:57,601 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 21:56:57,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 21:56:57,615 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2018-12-08 21:56:57,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 21:56:57,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 606 states to 454 states and 606 transitions. [2018-12-08 21:56:57,770 INFO L276 IsEmpty]: Start isEmpty. Operand 454 states and 606 transitions. [2018-12-08 21:56:57,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2018-12-08 21:56:57,770 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 21:56:57,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 21:56:57,790 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 21:56:58,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 21:56:58,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 625 states to 471 states and 625 transitions. [2018-12-08 21:56:58,185 INFO L276 IsEmpty]: Start isEmpty. Operand 471 states and 625 transitions. [2018-12-08 21:56:58,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2018-12-08 21:56:58,185 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 21:56:58,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 21:56:58,202 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 21:56:58,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 21:56:58,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 635 states to 482 states and 635 transitions. [2018-12-08 21:56:58,466 INFO L276 IsEmpty]: Start isEmpty. Operand 482 states and 635 transitions. [2018-12-08 21:56:58,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2018-12-08 21:56:58,467 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 21:56:58,473 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 21:56:58,499 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-12-08 21:56:58,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 21:56:58,519 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 640 states to 487 states and 640 transitions. [2018-12-08 21:56:58,519 INFO L276 IsEmpty]: Start isEmpty. Operand 487 states and 640 transitions. [2018-12-08 21:56:58,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2018-12-08 21:56:58,519 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 21:56:58,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 21:56:58,597 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 21:56:58,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 21:56:58,823 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 649 states to 496 states and 649 transitions. [2018-12-08 21:56:58,823 INFO L276 IsEmpty]: Start isEmpty. Operand 496 states and 649 transitions. [2018-12-08 21:56:58,824 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2018-12-08 21:56:58,824 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 21:56:58,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 21:56:58,917 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 21:56:59,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 21:56:59,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 730 states to 566 states and 730 transitions. [2018-12-08 21:56:59,510 INFO L276 IsEmpty]: Start isEmpty. Operand 566 states and 730 transitions. [2018-12-08 21:56:59,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2018-12-08 21:56:59,511 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 21:56:59,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 21:56:59,523 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 52 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2018-12-08 21:56:59,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 21:56:59,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 735 states to 571 states and 735 transitions. [2018-12-08 21:56:59,551 INFO L276 IsEmpty]: Start isEmpty. Operand 571 states and 735 transitions. [2018-12-08 21:56:59,551 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2018-12-08 21:56:59,552 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 21:56:59,559 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 21:56:59,573 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-12-08 21:56:59,606 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 21:56:59,607 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 743 states to 579 states and 743 transitions. [2018-12-08 21:56:59,607 INFO L276 IsEmpty]: Start isEmpty. Operand 579 states and 743 transitions. [2018-12-08 21:56:59,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2018-12-08 21:56:59,607 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 21:56:59,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 21:56:59,624 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 46 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-12-08 21:56:59,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 21:56:59,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 753 states to 589 states and 753 transitions. [2018-12-08 21:56:59,661 INFO L276 IsEmpty]: Start isEmpty. Operand 589 states and 753 transitions. [2018-12-08 21:56:59,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2018-12-08 21:56:59,662 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 21:56:59,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 21:56:59,677 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 52 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-12-08 21:56:59,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 21:56:59,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 754 states to 590 states and 754 transitions. [2018-12-08 21:56:59,689 INFO L276 IsEmpty]: Start isEmpty. Operand 590 states and 754 transitions. [2018-12-08 21:56:59,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2018-12-08 21:56:59,689 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 21:56:59,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 21:56:59,729 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 57 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 21:57:00,045 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 21:57:00,046 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 767 states to 599 states and 767 transitions. [2018-12-08 21:57:00,046 INFO L276 IsEmpty]: Start isEmpty. Operand 599 states and 767 transitions. [2018-12-08 21:57:00,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2018-12-08 21:57:00,046 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 21:57:00,052 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 21:57:00,103 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 59 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 21:57:00,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 21:57:00,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 778 states to 607 states and 778 transitions. [2018-12-08 21:57:00,422 INFO L276 IsEmpty]: Start isEmpty. Operand 607 states and 778 transitions. [2018-12-08 21:57:00,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2018-12-08 21:57:00,422 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 21:57:00,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 21:57:00,437 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 59 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 21:57:00,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 21:57:00,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 783 states to 610 states and 783 transitions. [2018-12-08 21:57:00,568 INFO L276 IsEmpty]: Start isEmpty. Operand 610 states and 783 transitions. [2018-12-08 21:57:00,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2018-12-08 21:57:00,568 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 21:57:00,574 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 21:57:00,586 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 21:57:00,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 21:57:00,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 810 states to 633 states and 810 transitions. [2018-12-08 21:57:00,661 INFO L276 IsEmpty]: Start isEmpty. Operand 633 states and 810 transitions. [2018-12-08 21:57:00,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2018-12-08 21:57:00,662 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 21:57:00,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 21:57:00,921 INFO L134 CoverageAnalysis]: Checked inductivity of 83 backedges. 71 proven. 0 refuted. 0 times theorem prover too weak. 12 trivial. 0 not checked. [2018-12-08 21:57:01,705 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 21:57:01,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 831 states to 642 states and 831 transitions. [2018-12-08 21:57:01,706 INFO L276 IsEmpty]: Start isEmpty. Operand 642 states and 831 transitions. [2018-12-08 21:57:01,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2018-12-08 21:57:01,707 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 21:57:01,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 21:57:01,724 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 77 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 21:57:01,911 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 21:57:01,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 834 states to 644 states and 834 transitions. [2018-12-08 21:57:01,911 INFO L276 IsEmpty]: Start isEmpty. Operand 644 states and 834 transitions. [2018-12-08 21:57:01,912 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2018-12-08 21:57:01,912 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 21:57:01,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 21:57:01,927 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 77 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 21:57:01,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 21:57:01,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 834 states to 645 states and 834 transitions. [2018-12-08 21:57:01,946 INFO L276 IsEmpty]: Start isEmpty. Operand 645 states and 834 transitions. [2018-12-08 21:57:01,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2018-12-08 21:57:01,947 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 21:57:01,952 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 21:57:01,963 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 57 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 21:57:01,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 21:57:01,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 837 states to 648 states and 837 transitions. [2018-12-08 21:57:01,981 INFO L276 IsEmpty]: Start isEmpty. Operand 648 states and 837 transitions. [2018-12-08 21:57:01,981 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2018-12-08 21:57:01,981 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 21:57:01,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 21:57:02,738 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 61 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 21:57:04,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 21:57:04,540 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 899 states to 704 states and 899 transitions. [2018-12-08 21:57:04,540 INFO L276 IsEmpty]: Start isEmpty. Operand 704 states and 899 transitions. [2018-12-08 21:57:04,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2018-12-08 21:57:04,542 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 21:57:04,554 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 21:57:04,575 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 58 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2018-12-08 21:57:05,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 21:57:05,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 919 states to 719 states and 919 transitions. [2018-12-08 21:57:05,266 INFO L276 IsEmpty]: Start isEmpty. Operand 719 states and 919 transitions. [2018-12-08 21:57:05,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2018-12-08 21:57:05,266 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 21:57:05,273 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 21:57:05,287 INFO L134 CoverageAnalysis]: Checked inductivity of 83 backedges. 60 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-12-08 21:57:05,307 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 21:57:05,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 921 states to 721 states and 921 transitions. [2018-12-08 21:57:05,307 INFO L276 IsEmpty]: Start isEmpty. Operand 721 states and 921 transitions. [2018-12-08 21:57:05,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2018-12-08 21:57:05,308 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 21:57:05,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 21:57:05,325 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 61 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-08 21:57:05,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 21:57:05,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 925 states to 724 states and 925 transitions. [2018-12-08 21:57:05,344 INFO L276 IsEmpty]: Start isEmpty. Operand 724 states and 925 transitions. [2018-12-08 21:57:05,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2018-12-08 21:57:05,344 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 21:57:05,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 21:57:05,361 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 61 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-08 21:57:06,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 21:57:06,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 946 states to 746 states and 946 transitions. [2018-12-08 21:57:06,020 INFO L276 IsEmpty]: Start isEmpty. Operand 746 states and 946 transitions. [2018-12-08 21:57:06,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2018-12-08 21:57:06,020 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 21:57:06,027 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 21:57:06,040 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 63 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 21:57:06,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 21:57:06,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 977 states to 777 states and 977 transitions. [2018-12-08 21:57:06,156 INFO L276 IsEmpty]: Start isEmpty. Operand 777 states and 977 transitions. [2018-12-08 21:57:06,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2018-12-08 21:57:06,157 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 21:57:06,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 21:57:06,174 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 75 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2018-12-08 21:57:06,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 21:57:06,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 978 states to 778 states and 978 transitions. [2018-12-08 21:57:06,187 INFO L276 IsEmpty]: Start isEmpty. Operand 778 states and 978 transitions. [2018-12-08 21:57:06,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2018-12-08 21:57:06,188 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 21:57:06,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 21:57:06,206 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 75 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2018-12-08 21:57:06,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 21:57:06,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 991 states to 791 states and 991 transitions. [2018-12-08 21:57:06,244 INFO L276 IsEmpty]: Start isEmpty. Operand 791 states and 991 transitions. [2018-12-08 21:57:06,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2018-12-08 21:57:06,245 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 21:57:06,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 21:57:06,796 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 68 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-12-08 21:57:08,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 21:57:08,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1059 states to 856 states and 1059 transitions. [2018-12-08 21:57:08,971 INFO L276 IsEmpty]: Start isEmpty. Operand 856 states and 1059 transitions. [2018-12-08 21:57:08,972 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2018-12-08 21:57:08,972 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 21:57:08,998 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 21:57:09,721 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 99 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 21:57:11,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 21:57:11,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1093 states to 879 states and 1093 transitions. [2018-12-08 21:57:11,969 INFO L276 IsEmpty]: Start isEmpty. Operand 879 states and 1093 transitions. [2018-12-08 21:57:11,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2018-12-08 21:57:11,970 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 21:57:11,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 21:57:12,458 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 95 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 21:57:13,917 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 21:57:13,918 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1115 states to 894 states and 1115 transitions. [2018-12-08 21:57:13,918 INFO L276 IsEmpty]: Start isEmpty. Operand 894 states and 1115 transitions. [2018-12-08 21:57:13,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2018-12-08 21:57:13,919 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 21:57:13,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 21:57:13,963 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 95 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 21:57:14,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 21:57:14,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1117 states to 897 states and 1117 transitions. [2018-12-08 21:57:14,223 INFO L276 IsEmpty]: Start isEmpty. Operand 897 states and 1117 transitions. [2018-12-08 21:57:14,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2018-12-08 21:57:14,224 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 21:57:14,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 21:57:14,267 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 95 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 21:57:14,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 21:57:14,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1126 states to 907 states and 1126 transitions. [2018-12-08 21:57:14,687 INFO L276 IsEmpty]: Start isEmpty. Operand 907 states and 1126 transitions. [2018-12-08 21:57:14,689 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2018-12-08 21:57:14,689 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 21:57:14,703 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 21:57:14,747 INFO L134 CoverageAnalysis]: Checked inductivity of 103 backedges. 95 proven. 8 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 21:57:14,971 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 21:57:14,972 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1131 states to 910 states and 1131 transitions. [2018-12-08 21:57:14,972 INFO L276 IsEmpty]: Start isEmpty. Operand 910 states and 1131 transitions. [2018-12-08 21:57:14,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2018-12-08 21:57:14,973 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 21:57:14,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 21:57:15,010 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 6 proven. 4 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2018-12-08 21:57:16,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 21:57:16,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1165 states to 930 states and 1165 transitions. [2018-12-08 21:57:16,382 INFO L276 IsEmpty]: Start isEmpty. Operand 930 states and 1165 transitions. [2018-12-08 21:57:16,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2018-12-08 21:57:16,382 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 21:57:16,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 21:57:16,417 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 6 proven. 4 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2018-12-08 21:57:16,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 21:57:16,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1164 states to 930 states and 1164 transitions. [2018-12-08 21:57:16,700 INFO L276 IsEmpty]: Start isEmpty. Operand 930 states and 1164 transitions. [2018-12-08 21:57:16,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2018-12-08 21:57:16,701 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 21:57:16,709 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 21:57:16,884 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 81 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2018-12-08 21:57:17,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 21:57:17,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1234 states to 999 states and 1234 transitions. [2018-12-08 21:57:17,880 INFO L276 IsEmpty]: Start isEmpty. Operand 999 states and 1234 transitions. [2018-12-08 21:57:17,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2018-12-08 21:57:17,881 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 21:57:17,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 21:57:17,899 INFO L134 CoverageAnalysis]: Checked inductivity of 143 backedges. 96 proven. 0 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2018-12-08 21:57:18,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 21:57:18,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1244 states to 1003 states and 1244 transitions. [2018-12-08 21:57:18,287 INFO L276 IsEmpty]: Start isEmpty. Operand 1003 states and 1244 transitions. [2018-12-08 21:57:18,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2018-12-08 21:57:18,288 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 21:57:18,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 21:57:18,306 INFO L134 CoverageAnalysis]: Checked inductivity of 160 backedges. 106 proven. 0 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2018-12-08 21:57:18,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 21:57:18,780 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1252 states to 1009 states and 1252 transitions. [2018-12-08 21:57:18,781 INFO L276 IsEmpty]: Start isEmpty. Operand 1009 states and 1252 transitions. [2018-12-08 21:57:18,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2018-12-08 21:57:18,781 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 21:57:18,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 21:57:18,818 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 82 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-12-08 21:57:19,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 21:57:19,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1266 states to 1021 states and 1266 transitions. [2018-12-08 21:57:19,233 INFO L276 IsEmpty]: Start isEmpty. Operand 1021 states and 1266 transitions. [2018-12-08 21:57:19,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2018-12-08 21:57:19,234 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 21:57:19,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 21:57:19,517 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 117 proven. 1 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2018-12-08 21:57:20,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 21:57:20,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1274 states to 1028 states and 1274 transitions. [2018-12-08 21:57:20,479 INFO L276 IsEmpty]: Start isEmpty. Operand 1028 states and 1274 transitions. [2018-12-08 21:57:20,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2018-12-08 21:57:20,479 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 21:57:20,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 21:57:20,579 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 117 proven. 1 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2018-12-08 21:57:20,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 21:57:20,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1278 states to 1029 states and 1278 transitions. [2018-12-08 21:57:20,846 INFO L276 IsEmpty]: Start isEmpty. Operand 1029 states and 1278 transitions. [2018-12-08 21:57:20,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2018-12-08 21:57:20,847 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 21:57:20,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 21:57:20,909 INFO L134 CoverageAnalysis]: Checked inductivity of 164 backedges. 112 proven. 4 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2018-12-08 21:57:21,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 21:57:21,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1295 states to 1037 states and 1295 transitions. [2018-12-08 21:57:21,664 INFO L276 IsEmpty]: Start isEmpty. Operand 1037 states and 1295 transitions. [2018-12-08 21:57:21,665 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2018-12-08 21:57:21,665 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 21:57:21,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 21:57:23,466 INFO L134 CoverageAnalysis]: Checked inductivity of 142 backedges. 124 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-12-08 21:57:24,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 21:57:24,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1297 states to 1038 states and 1297 transitions. [2018-12-08 21:57:24,790 INFO L276 IsEmpty]: Start isEmpty. Operand 1038 states and 1297 transitions. [2018-12-08 21:57:24,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2018-12-08 21:57:24,791 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 21:57:24,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 21:57:24,892 INFO L134 CoverageAnalysis]: Checked inductivity of 142 backedges. 124 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-12-08 21:57:27,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 21:57:27,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1349 states to 1083 states and 1349 transitions. [2018-12-08 21:57:27,701 INFO L276 IsEmpty]: Start isEmpty. Operand 1083 states and 1349 transitions. [2018-12-08 21:57:27,702 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2018-12-08 21:57:27,703 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 21:57:27,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 21:57:27,802 INFO L134 CoverageAnalysis]: Checked inductivity of 142 backedges. 124 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-12-08 21:57:28,541 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 21:57:28,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1357 states to 1091 states and 1357 transitions. [2018-12-08 21:57:28,541 INFO L276 IsEmpty]: Start isEmpty. Operand 1091 states and 1357 transitions. [2018-12-08 21:57:28,542 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2018-12-08 21:57:28,542 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 21:57:28,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 21:57:28,566 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 79 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2018-12-08 21:57:28,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 21:57:28,695 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1360 states to 1094 states and 1360 transitions. [2018-12-08 21:57:28,695 INFO L276 IsEmpty]: Start isEmpty. Operand 1094 states and 1360 transitions. [2018-12-08 21:57:28,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2018-12-08 21:57:28,696 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 21:57:28,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 21:57:28,722 INFO L134 CoverageAnalysis]: Checked inductivity of 178 backedges. 125 proven. 0 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2018-12-08 21:57:28,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 21:57:28,954 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1362 states to 1095 states and 1362 transitions. [2018-12-08 21:57:28,954 INFO L276 IsEmpty]: Start isEmpty. Operand 1095 states and 1362 transitions. [2018-12-08 21:57:28,955 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2018-12-08 21:57:28,956 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 21:57:28,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 21:57:28,994 INFO L134 CoverageAnalysis]: Checked inductivity of 159 backedges. 119 proven. 4 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2018-12-08 21:57:29,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 21:57:29,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1366 states to 1099 states and 1366 transitions. [2018-12-08 21:57:29,157 INFO L276 IsEmpty]: Start isEmpty. Operand 1099 states and 1366 transitions. [2018-12-08 21:57:29,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2018-12-08 21:57:29,158 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 21:57:29,166 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 21:57:29,755 INFO L134 CoverageAnalysis]: Checked inductivity of 241 backedges. 192 proven. 0 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2018-12-08 21:57:32,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 21:57:32,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1427 states to 1143 states and 1427 transitions. [2018-12-08 21:57:32,917 INFO L276 IsEmpty]: Start isEmpty. Operand 1143 states and 1427 transitions. [2018-12-08 21:57:32,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2018-12-08 21:57:32,918 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 21:57:32,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 21:57:32,947 INFO L134 CoverageAnalysis]: Checked inductivity of 253 backedges. 158 proven. 0 refuted. 0 times theorem prover too weak. 95 trivial. 0 not checked. [2018-12-08 21:57:33,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 21:57:33,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1431 states to 1144 states and 1431 transitions. [2018-12-08 21:57:33,215 INFO L276 IsEmpty]: Start isEmpty. Operand 1144 states and 1431 transitions. [2018-12-08 21:57:33,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2018-12-08 21:57:33,216 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 21:57:33,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 21:57:35,238 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 165 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-12-08 21:57:38,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 21:57:38,836 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1476 states to 1184 states and 1476 transitions. [2018-12-08 21:57:38,836 INFO L276 IsEmpty]: Start isEmpty. Operand 1184 states and 1476 transitions. [2018-12-08 21:57:38,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2018-12-08 21:57:38,837 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 21:57:38,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 21:57:38,946 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 165 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-12-08 21:57:40,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 21:57:40,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1486 states to 1193 states and 1486 transitions. [2018-12-08 21:57:40,143 INFO L276 IsEmpty]: Start isEmpty. Operand 1193 states and 1486 transitions. [2018-12-08 21:57:40,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2018-12-08 21:57:40,144 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 21:57:40,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 21:57:40,252 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 165 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-12-08 21:57:41,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 21:57:41,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1511 states to 1221 states and 1511 transitions. [2018-12-08 21:57:41,325 INFO L276 IsEmpty]: Start isEmpty. Operand 1221 states and 1511 transitions. [2018-12-08 21:57:41,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2018-12-08 21:57:41,326 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 21:57:41,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 21:57:41,352 INFO L134 CoverageAnalysis]: Checked inductivity of 203 backedges. 160 proven. 0 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2018-12-08 21:57:41,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 21:57:41,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1513 states to 1222 states and 1513 transitions. [2018-12-08 21:57:41,613 INFO L276 IsEmpty]: Start isEmpty. Operand 1222 states and 1513 transitions. [2018-12-08 21:57:41,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2018-12-08 21:57:41,614 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 21:57:41,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 21:57:41,645 INFO L134 CoverageAnalysis]: Checked inductivity of 204 backedges. 144 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2018-12-08 21:57:42,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 21:57:42,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1543 states to 1239 states and 1543 transitions. [2018-12-08 21:57:42,893 INFO L276 IsEmpty]: Start isEmpty. Operand 1239 states and 1543 transitions. [2018-12-08 21:57:42,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2018-12-08 21:57:42,894 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 21:57:42,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 21:57:42,945 INFO L134 CoverageAnalysis]: Checked inductivity of 204 backedges. 144 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2018-12-08 21:57:43,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 21:57:43,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1546 states to 1240 states and 1546 transitions. [2018-12-08 21:57:43,251 INFO L276 IsEmpty]: Start isEmpty. Operand 1240 states and 1546 transitions. [2018-12-08 21:57:43,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2018-12-08 21:57:43,252 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 21:57:43,263 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 21:57:43,285 INFO L134 CoverageAnalysis]: Checked inductivity of 204 backedges. 144 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2018-12-08 21:57:43,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 21:57:43,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1550 states to 1244 states and 1550 transitions. [2018-12-08 21:57:43,573 INFO L276 IsEmpty]: Start isEmpty. Operand 1244 states and 1550 transitions. [2018-12-08 21:57:43,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2018-12-08 21:57:43,574 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 21:57:43,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 21:57:43,606 INFO L134 CoverageAnalysis]: Checked inductivity of 204 backedges. 144 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2018-12-08 21:57:43,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 21:57:43,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1551 states to 1245 states and 1551 transitions. [2018-12-08 21:57:43,890 INFO L276 IsEmpty]: Start isEmpty. Operand 1245 states and 1551 transitions. [2018-12-08 21:57:43,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2018-12-08 21:57:43,890 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 21:57:43,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 21:57:43,922 INFO L134 CoverageAnalysis]: Checked inductivity of 204 backedges. 144 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2018-12-08 21:57:44,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 21:57:44,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1552 states to 1246 states and 1552 transitions. [2018-12-08 21:57:44,196 INFO L276 IsEmpty]: Start isEmpty. Operand 1246 states and 1552 transitions. [2018-12-08 21:57:44,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2018-12-08 21:57:44,197 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 21:57:44,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 21:57:44,228 INFO L134 CoverageAnalysis]: Checked inductivity of 204 backedges. 144 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2018-12-08 21:57:44,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 21:57:44,512 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1556 states to 1247 states and 1556 transitions. [2018-12-08 21:57:44,512 INFO L276 IsEmpty]: Start isEmpty. Operand 1247 states and 1556 transitions. [2018-12-08 21:57:44,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2018-12-08 21:57:44,513 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 21:57:44,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 21:57:44,544 INFO L134 CoverageAnalysis]: Checked inductivity of 204 backedges. 144 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2018-12-08 21:57:44,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 21:57:44,807 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1557 states to 1248 states and 1557 transitions. [2018-12-08 21:57:44,807 INFO L276 IsEmpty]: Start isEmpty. Operand 1248 states and 1557 transitions. [2018-12-08 21:57:44,808 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2018-12-08 21:57:44,808 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 21:57:44,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 21:57:44,839 INFO L134 CoverageAnalysis]: Checked inductivity of 204 backedges. 144 proven. 0 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2018-12-08 21:57:45,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 21:57:45,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1568 states to 1252 states and 1568 transitions. [2018-12-08 21:57:45,495 INFO L276 IsEmpty]: Start isEmpty. Operand 1252 states and 1568 transitions. [2018-12-08 21:57:45,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2018-12-08 21:57:45,496 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 21:57:45,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 21:57:45,584 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 116 proven. 4 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2018-12-08 21:57:48,051 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 21:57:48,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1581 states to 1263 states and 1581 transitions. [2018-12-08 21:57:48,052 INFO L276 IsEmpty]: Start isEmpty. Operand 1263 states and 1581 transitions. [2018-12-08 21:57:48,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2018-12-08 21:57:48,053 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 21:57:48,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 21:57:48,111 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 116 proven. 4 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2018-12-08 21:57:48,485 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 21:57:48,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1586 states to 1269 states and 1586 transitions. [2018-12-08 21:57:48,485 INFO L276 IsEmpty]: Start isEmpty. Operand 1269 states and 1586 transitions. [2018-12-08 21:57:48,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2018-12-08 21:57:48,486 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 21:57:48,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 21:57:49,153 INFO L134 CoverageAnalysis]: Checked inductivity of 351 backedges. 233 proven. 27 refuted. 0 times theorem prover too weak. 91 trivial. 0 not checked. [2018-12-08 21:57:49,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 21:57:49,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1588 states to 1270 states and 1588 transitions. [2018-12-08 21:57:49,840 INFO L276 IsEmpty]: Start isEmpty. Operand 1270 states and 1588 transitions. [2018-12-08 21:57:49,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2018-12-08 21:57:49,841 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 21:57:49,851 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 21:57:49,975 INFO L134 CoverageAnalysis]: Checked inductivity of 240 backedges. 222 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-12-08 21:57:51,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 21:57:51,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1604 states to 1284 states and 1604 transitions. [2018-12-08 21:57:51,846 INFO L276 IsEmpty]: Start isEmpty. Operand 1284 states and 1604 transitions. [2018-12-08 21:57:51,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2018-12-08 21:57:51,846 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 21:57:51,856 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 21:57:51,951 INFO L134 CoverageAnalysis]: Checked inductivity of 240 backedges. 222 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-12-08 21:57:52,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 21:57:52,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1605 states to 1285 states and 1605 transitions. [2018-12-08 21:57:52,329 INFO L276 IsEmpty]: Start isEmpty. Operand 1285 states and 1605 transitions. [2018-12-08 21:57:52,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2018-12-08 21:57:52,330 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 21:57:52,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 21:57:52,386 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 9 proven. 8 refuted. 0 times theorem prover too weak. 203 trivial. 0 not checked. [2018-12-08 21:57:54,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 21:57:54,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1632 states to 1307 states and 1632 transitions. [2018-12-08 21:57:54,425 INFO L276 IsEmpty]: Start isEmpty. Operand 1307 states and 1632 transitions. [2018-12-08 21:57:54,426 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2018-12-08 21:57:54,426 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 21:57:54,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 21:57:54,483 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 9 proven. 8 refuted. 0 times theorem prover too weak. 203 trivial. 0 not checked. [2018-12-08 21:57:54,850 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 21:57:54,851 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1646 states to 1321 states and 1646 transitions. [2018-12-08 21:57:54,851 INFO L276 IsEmpty]: Start isEmpty. Operand 1321 states and 1646 transitions. [2018-12-08 21:57:54,852 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2018-12-08 21:57:54,852 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 21:57:54,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 21:57:54,907 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 9 proven. 8 refuted. 0 times theorem prover too weak. 203 trivial. 0 not checked. [2018-12-08 21:57:55,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 21:57:55,956 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1656 states to 1328 states and 1656 transitions. [2018-12-08 21:57:55,957 INFO L276 IsEmpty]: Start isEmpty. Operand 1328 states and 1656 transitions. [2018-12-08 21:57:55,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2018-12-08 21:57:55,957 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 21:57:55,968 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 21:57:56,012 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 9 proven. 8 refuted. 0 times theorem prover too weak. 203 trivial. 0 not checked. [2018-12-08 21:57:56,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 21:57:56,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1663 states to 1335 states and 1663 transitions. [2018-12-08 21:57:56,544 INFO L276 IsEmpty]: Start isEmpty. Operand 1335 states and 1663 transitions. [2018-12-08 21:57:56,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2018-12-08 21:57:56,544 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 21:57:56,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 21:57:56,600 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 9 proven. 8 refuted. 0 times theorem prover too weak. 203 trivial. 0 not checked. [2018-12-08 21:57:56,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 21:57:56,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1668 states to 1340 states and 1668 transitions. [2018-12-08 21:57:56,932 INFO L276 IsEmpty]: Start isEmpty. Operand 1340 states and 1668 transitions. [2018-12-08 21:57:56,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2018-12-08 21:57:56,933 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 21:57:56,944 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 21:57:56,989 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 9 proven. 8 refuted. 0 times theorem prover too weak. 203 trivial. 0 not checked. [2018-12-08 21:57:57,335 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 21:57:57,336 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1672 states to 1345 states and 1672 transitions. [2018-12-08 21:57:57,336 INFO L276 IsEmpty]: Start isEmpty. Operand 1345 states and 1672 transitions. [2018-12-08 21:57:57,337 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2018-12-08 21:57:57,337 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 21:57:57,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 21:57:57,392 INFO L134 CoverageAnalysis]: Checked inductivity of 220 backedges. 9 proven. 8 refuted. 0 times theorem prover too weak. 203 trivial. 0 not checked. [2018-12-08 21:57:57,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 21:57:57,624 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1676 states to 1349 states and 1676 transitions. [2018-12-08 21:57:57,624 INFO L276 IsEmpty]: Start isEmpty. Operand 1349 states and 1676 transitions. [2018-12-08 21:57:57,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 220 [2018-12-08 21:57:57,625 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 21:57:57,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 21:57:57,799 INFO L134 CoverageAnalysis]: Checked inductivity of 274 backedges. 234 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2018-12-08 21:58:02,857 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 21:58:02,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1719 states to 1382 states and 1719 transitions. [2018-12-08 21:58:02,857 INFO L276 IsEmpty]: Start isEmpty. Operand 1382 states and 1719 transitions. [2018-12-08 21:58:02,858 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 220 [2018-12-08 21:58:02,858 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 21:58:02,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 21:58:02,898 INFO L134 CoverageAnalysis]: Checked inductivity of 274 backedges. 234 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2018-12-08 21:58:04,055 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 21:58:04,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1725 states to 1390 states and 1725 transitions. [2018-12-08 21:58:04,057 INFO L276 IsEmpty]: Start isEmpty. Operand 1390 states and 1725 transitions. [2018-12-08 21:58:04,058 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2018-12-08 21:58:04,058 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 21:58:04,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 21:58:04,132 INFO L134 CoverageAnalysis]: Checked inductivity of 284 backedges. 177 proven. 0 refuted. 0 times theorem prover too weak. 107 trivial. 0 not checked. [2018-12-08 21:58:05,067 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 21:58:05,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1734 states to 1397 states and 1734 transitions. [2018-12-08 21:58:05,068 INFO L276 IsEmpty]: Start isEmpty. Operand 1397 states and 1734 transitions. [2018-12-08 21:58:05,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2018-12-08 21:58:05,069 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 21:58:05,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 21:58:05,117 INFO L134 CoverageAnalysis]: Checked inductivity of 284 backedges. 177 proven. 0 refuted. 0 times theorem prover too weak. 107 trivial. 0 not checked. [2018-12-08 21:58:05,959 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 21:58:05,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1735 states to 1398 states and 1735 transitions. [2018-12-08 21:58:05,960 INFO L276 IsEmpty]: Start isEmpty. Operand 1398 states and 1735 transitions. [2018-12-08 21:58:05,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 227 [2018-12-08 21:58:05,962 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 21:58:05,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 21:58:07,009 INFO L134 CoverageAnalysis]: Checked inductivity of 352 backedges. 312 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2018-12-08 21:58:12,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 21:58:12,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1775 states to 1436 states and 1775 transitions. [2018-12-08 21:58:12,907 INFO L276 IsEmpty]: Start isEmpty. Operand 1436 states and 1775 transitions. [2018-12-08 21:58:12,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 227 [2018-12-08 21:58:12,907 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 21:58:12,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 21:58:13,092 INFO L134 CoverageAnalysis]: Checked inductivity of 352 backedges. 312 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2018-12-08 21:58:13,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 21:58:13,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1776 states to 1438 states and 1776 transitions. [2018-12-08 21:58:13,586 INFO L276 IsEmpty]: Start isEmpty. Operand 1438 states and 1776 transitions. [2018-12-08 21:58:13,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 230 [2018-12-08 21:58:13,588 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 21:58:13,603 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 21:58:14,313 INFO L134 CoverageAnalysis]: Checked inductivity of 364 backedges. 299 proven. 25 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2018-12-08 21:58:18,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 21:58:18,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1829 states to 1485 states and 1829 transitions. [2018-12-08 21:58:18,811 INFO L276 IsEmpty]: Start isEmpty. Operand 1485 states and 1829 transitions. [2018-12-08 21:58:18,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2018-12-08 21:58:18,812 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 21:58:18,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 21:58:18,848 INFO L134 CoverageAnalysis]: Checked inductivity of 332 backedges. 200 proven. 0 refuted. 0 times theorem prover too weak. 132 trivial. 0 not checked. [2018-12-08 21:58:19,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 21:58:19,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1850 states to 1502 states and 1850 transitions. [2018-12-08 21:58:19,941 INFO L276 IsEmpty]: Start isEmpty. Operand 1502 states and 1850 transitions. [2018-12-08 21:58:19,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 233 [2018-12-08 21:58:19,942 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 21:58:19,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 21:58:20,170 INFO L134 CoverageAnalysis]: Checked inductivity of 327 backedges. 259 proven. 0 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2018-12-08 21:58:21,793 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 21:58:21,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1909 states to 1549 states and 1909 transitions. [2018-12-08 21:58:21,794 INFO L276 IsEmpty]: Start isEmpty. Operand 1549 states and 1909 transitions. [2018-12-08 21:58:21,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 238 [2018-12-08 21:58:21,795 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 21:58:21,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 21:58:21,833 INFO L134 CoverageAnalysis]: Checked inductivity of 481 backedges. 316 proven. 0 refuted. 0 times theorem prover too weak. 165 trivial. 0 not checked. [2018-12-08 21:58:22,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 21:58:22,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1921 states to 1553 states and 1921 transitions. [2018-12-08 21:58:22,601 INFO L276 IsEmpty]: Start isEmpty. Operand 1553 states and 1921 transitions. [2018-12-08 21:58:22,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 242 [2018-12-08 21:58:22,602 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 21:58:22,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 21:58:22,662 INFO L134 CoverageAnalysis]: Checked inductivity of 305 backedges. 168 proven. 4 refuted. 0 times theorem prover too weak. 133 trivial. 0 not checked. [2018-12-08 21:58:23,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 21:58:23,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1932 states to 1556 states and 1932 transitions. [2018-12-08 21:58:23,397 INFO L276 IsEmpty]: Start isEmpty. Operand 1556 states and 1932 transitions. [2018-12-08 21:58:23,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 249 [2018-12-08 21:58:23,398 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 21:58:23,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 21:58:23,441 INFO L134 CoverageAnalysis]: Checked inductivity of 357 backedges. 241 proven. 0 refuted. 0 times theorem prover too weak. 116 trivial. 0 not checked. [2018-12-08 21:58:25,126 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 21:58:25,127 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1965 states to 1576 states and 1965 transitions. [2018-12-08 21:58:25,127 INFO L276 IsEmpty]: Start isEmpty. Operand 1576 states and 1965 transitions. [2018-12-08 21:58:25,128 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 249 [2018-12-08 21:58:25,128 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 21:58:25,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 21:58:25,171 INFO L134 CoverageAnalysis]: Checked inductivity of 357 backedges. 241 proven. 0 refuted. 0 times theorem prover too weak. 116 trivial. 0 not checked. [2018-12-08 21:58:25,885 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 21:58:25,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1972 states to 1580 states and 1972 transitions. [2018-12-08 21:58:25,885 INFO L276 IsEmpty]: Start isEmpty. Operand 1580 states and 1972 transitions. [2018-12-08 21:58:25,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 249 [2018-12-08 21:58:25,886 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 21:58:25,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 21:58:25,932 INFO L134 CoverageAnalysis]: Checked inductivity of 357 backedges. 241 proven. 0 refuted. 0 times theorem prover too weak. 116 trivial. 0 not checked. [2018-12-08 21:58:26,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 21:58:26,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1977 states to 1584 states and 1977 transitions. [2018-12-08 21:58:26,279 INFO L276 IsEmpty]: Start isEmpty. Operand 1584 states and 1977 transitions. [2018-12-08 21:58:26,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 251 [2018-12-08 21:58:26,280 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 21:58:26,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 21:58:27,564 INFO L134 CoverageAnalysis]: Checked inductivity of 471 backedges. 358 proven. 73 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2018-12-08 21:58:37,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 21:58:37,122 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2031 states to 1627 states and 2031 transitions. [2018-12-08 21:58:37,122 INFO L276 IsEmpty]: Start isEmpty. Operand 1627 states and 2031 transitions. [2018-12-08 21:58:37,123 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 251 [2018-12-08 21:58:37,123 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 21:58:37,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 21:58:37,246 INFO L134 CoverageAnalysis]: Checked inductivity of 471 backedges. 358 proven. 73 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2018-12-08 21:58:40,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 21:58:40,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2052 states to 1647 states and 2052 transitions. [2018-12-08 21:58:40,647 INFO L276 IsEmpty]: Start isEmpty. Operand 1647 states and 2052 transitions. [2018-12-08 21:58:40,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 252 [2018-12-08 21:58:40,648 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 21:58:40,658 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 21:58:40,691 INFO L134 CoverageAnalysis]: Checked inductivity of 439 backedges. 297 proven. 0 refuted. 0 times theorem prover too weak. 142 trivial. 0 not checked. [2018-12-08 21:58:41,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 21:58:41,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2055 states to 1648 states and 2055 transitions. [2018-12-08 21:58:41,090 INFO L276 IsEmpty]: Start isEmpty. Operand 1648 states and 2055 transitions. [2018-12-08 21:58:41,091 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 256 [2018-12-08 21:58:41,091 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 21:58:41,104 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 21:58:41,141 INFO L134 CoverageAnalysis]: Checked inductivity of 360 backedges. 235 proven. 0 refuted. 0 times theorem prover too weak. 125 trivial. 0 not checked. [2018-12-08 21:58:48,304 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 21:58:48,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2118 states to 1705 states and 2118 transitions. [2018-12-08 21:58:48,306 INFO L276 IsEmpty]: Start isEmpty. Operand 1705 states and 2118 transitions. [2018-12-08 21:58:48,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 256 [2018-12-08 21:58:48,307 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 21:58:48,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 21:58:48,360 INFO L134 CoverageAnalysis]: Checked inductivity of 360 backedges. 235 proven. 0 refuted. 0 times theorem prover too weak. 125 trivial. 0 not checked. [2018-12-08 21:58:48,448 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 21:58:48,449 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2124 states to 1712 states and 2124 transitions. [2018-12-08 21:58:48,449 INFO L276 IsEmpty]: Start isEmpty. Operand 1712 states and 2124 transitions. [2018-12-08 21:58:48,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 257 [2018-12-08 21:58:48,450 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 21:58:48,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 21:58:49,151 INFO L134 CoverageAnalysis]: Checked inductivity of 500 backedges. 351 proven. 20 refuted. 0 times theorem prover too weak. 129 trivial. 0 not checked. [2018-12-08 21:58:50,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 21:58:50,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2141 states to 1727 states and 2141 transitions. [2018-12-08 21:58:50,581 INFO L276 IsEmpty]: Start isEmpty. Operand 1727 states and 2141 transitions. [2018-12-08 21:58:50,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 257 [2018-12-08 21:58:50,582 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 21:58:50,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 21:58:50,735 INFO L134 CoverageAnalysis]: Checked inductivity of 500 backedges. 351 proven. 20 refuted. 0 times theorem prover too weak. 129 trivial. 0 not checked. [2018-12-08 21:58:51,080 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 21:58:51,080 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2131 states to 1718 states and 2131 transitions. [2018-12-08 21:58:51,081 INFO L276 IsEmpty]: Start isEmpty. Operand 1718 states and 2131 transitions. [2018-12-08 21:58:51,081 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 262 [2018-12-08 21:58:51,082 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 21:58:51,091 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 21:58:52,208 INFO L134 CoverageAnalysis]: Checked inductivity of 449 backedges. 345 proven. 14 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2018-12-08 21:58:54,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 21:58:54,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2138 states to 1723 states and 2138 transitions. [2018-12-08 21:58:54,089 INFO L276 IsEmpty]: Start isEmpty. Operand 1723 states and 2138 transitions. [2018-12-08 21:58:54,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 263 [2018-12-08 21:58:54,090 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 21:58:54,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 21:58:55,921 INFO L134 CoverageAnalysis]: Checked inductivity of 442 backedges. 362 proven. 0 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2018-12-08 21:59:01,157 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 21:59:01,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2192 states to 1775 states and 2192 transitions. [2018-12-08 21:59:01,158 INFO L276 IsEmpty]: Start isEmpty. Operand 1775 states and 2192 transitions. [2018-12-08 21:59:01,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 263 [2018-12-08 21:59:01,159 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 21:59:01,168 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 21:59:01,441 INFO L134 CoverageAnalysis]: Checked inductivity of 442 backedges. 362 proven. 0 refuted. 0 times theorem prover too weak. 80 trivial. 0 not checked. [2018-12-08 21:59:01,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 21:59:01,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2193 states to 1777 states and 2193 transitions. [2018-12-08 21:59:01,897 INFO L276 IsEmpty]: Start isEmpty. Operand 1777 states and 2193 transitions. [2018-12-08 21:59:01,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 263 [2018-12-08 21:59:01,898 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 21:59:01,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 21:59:02,559 INFO L134 CoverageAnalysis]: Checked inductivity of 476 backedges. 88 proven. 314 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2018-12-08 21:59:10,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 21:59:10,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2312 states to 1886 states and 2312 transitions. [2018-12-08 21:59:10,555 INFO L276 IsEmpty]: Start isEmpty. Operand 1886 states and 2312 transitions. [2018-12-08 21:59:10,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 266 [2018-12-08 21:59:10,556 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 21:59:10,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 21:59:11,228 INFO L134 CoverageAnalysis]: Checked inductivity of 400 backedges. 313 proven. 0 refuted. 0 times theorem prover too weak. 87 trivial. 0 not checked. [2018-12-08 21:59:18,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 21:59:18,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2462 states to 2013 states and 2462 transitions. [2018-12-08 21:59:18,592 INFO L276 IsEmpty]: Start isEmpty. Operand 2013 states and 2462 transitions. [2018-12-08 21:59:18,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 269 [2018-12-08 21:59:18,593 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 21:59:18,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 21:59:20,291 INFO L134 CoverageAnalysis]: Checked inductivity of 413 backedges. 320 proven. 0 refuted. 0 times theorem prover too weak. 93 trivial. 0 not checked. [2018-12-08 21:59:33,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 21:59:33,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2532 states to 2083 states and 2532 transitions. [2018-12-08 21:59:33,186 INFO L276 IsEmpty]: Start isEmpty. Operand 2083 states and 2532 transitions. [2018-12-08 21:59:33,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 286 [2018-12-08 21:59:33,187 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 21:59:33,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 21:59:33,323 INFO L134 CoverageAnalysis]: Checked inductivity of 452 backedges. 345 proven. 0 refuted. 0 times theorem prover too weak. 107 trivial. 0 not checked. [2018-12-08 21:59:38,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 21:59:38,726 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2577 states to 2128 states and 2577 transitions. [2018-12-08 21:59:38,726 INFO L276 IsEmpty]: Start isEmpty. Operand 2128 states and 2577 transitions. [2018-12-08 21:59:38,728 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 286 [2018-12-08 21:59:38,728 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 21:59:38,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 21:59:38,868 INFO L134 CoverageAnalysis]: Checked inductivity of 452 backedges. 345 proven. 0 refuted. 0 times theorem prover too weak. 107 trivial. 0 not checked. [2018-12-08 21:59:39,265 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 21:59:39,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2579 states to 2131 states and 2579 transitions. [2018-12-08 21:59:39,266 INFO L276 IsEmpty]: Start isEmpty. Operand 2131 states and 2579 transitions. [2018-12-08 21:59:39,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 289 [2018-12-08 21:59:39,267 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 21:59:39,281 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 21:59:39,351 INFO L134 CoverageAnalysis]: Checked inductivity of 435 backedges. 12 proven. 12 refuted. 0 times theorem prover too weak. 411 trivial. 0 not checked. [2018-12-08 21:59:39,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 21:59:39,410 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2582 states to 2134 states and 2582 transitions. [2018-12-08 21:59:39,410 INFO L276 IsEmpty]: Start isEmpty. Operand 2134 states and 2582 transitions. [2018-12-08 21:59:39,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 294 [2018-12-08 21:59:39,412 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 21:59:39,426 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 21:59:41,403 INFO L134 CoverageAnalysis]: Checked inductivity of 532 backedges. 430 proven. 0 refuted. 0 times theorem prover too weak. 102 trivial. 0 not checked. [2018-12-08 21:59:47,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 21:59:47,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2651 states to 2195 states and 2651 transitions. [2018-12-08 21:59:47,767 INFO L276 IsEmpty]: Start isEmpty. Operand 2195 states and 2651 transitions. [2018-12-08 21:59:47,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 296 [2018-12-08 21:59:47,768 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 21:59:47,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 21:59:48,333 INFO L134 CoverageAnalysis]: Checked inductivity of 524 backedges. 373 proven. 0 refuted. 0 times theorem prover too weak. 151 trivial. 0 not checked. [2018-12-08 21:59:55,764 WARN L180 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 45 [2018-12-08 22:00:00,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 22:00:00,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2771 states to 2301 states and 2771 transitions. [2018-12-08 22:00:00,468 INFO L276 IsEmpty]: Start isEmpty. Operand 2301 states and 2771 transitions. [2018-12-08 22:00:00,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 296 [2018-12-08 22:00:00,469 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 22:00:00,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 22:00:00,595 INFO L134 CoverageAnalysis]: Checked inductivity of 524 backedges. 373 proven. 0 refuted. 0 times theorem prover too weak. 151 trivial. 0 not checked. [2018-12-08 22:00:02,013 WARN L180 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 43 [2018-12-08 22:00:04,125 WARN L180 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 45 [2018-12-08 22:00:05,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 22:00:05,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2782 states to 2313 states and 2782 transitions. [2018-12-08 22:00:05,195 INFO L276 IsEmpty]: Start isEmpty. Operand 2313 states and 2782 transitions. [2018-12-08 22:00:05,197 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 303 [2018-12-08 22:00:05,197 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 22:00:05,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 22:00:05,261 INFO L134 CoverageAnalysis]: Checked inductivity of 494 backedges. 316 proven. 0 refuted. 0 times theorem prover too weak. 178 trivial. 0 not checked. [2018-12-08 22:00:05,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 22:00:05,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2811 states to 2341 states and 2811 transitions. [2018-12-08 22:00:05,609 INFO L276 IsEmpty]: Start isEmpty. Operand 2341 states and 2811 transitions. [2018-12-08 22:00:05,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 303 [2018-12-08 22:00:05,610 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 22:00:05,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 22:00:05,672 INFO L134 CoverageAnalysis]: Checked inductivity of 494 backedges. 316 proven. 0 refuted. 0 times theorem prover too weak. 178 trivial. 0 not checked. [2018-12-08 22:00:06,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 22:00:06,181 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2811 states to 2342 states and 2811 transitions. [2018-12-08 22:00:06,181 INFO L276 IsEmpty]: Start isEmpty. Operand 2342 states and 2811 transitions. [2018-12-08 22:00:06,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 303 [2018-12-08 22:00:06,183 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 22:00:06,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 22:00:06,243 INFO L134 CoverageAnalysis]: Checked inductivity of 494 backedges. 316 proven. 0 refuted. 0 times theorem prover too weak. 178 trivial. 0 not checked. [2018-12-08 22:00:08,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 22:00:08,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2830 states to 2362 states and 2830 transitions. [2018-12-08 22:00:08,332 INFO L276 IsEmpty]: Start isEmpty. Operand 2362 states and 2830 transitions. [2018-12-08 22:00:08,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 309 [2018-12-08 22:00:08,334 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 22:00:08,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 22:00:08,400 INFO L134 CoverageAnalysis]: Checked inductivity of 594 backedges. 356 proven. 0 refuted. 0 times theorem prover too weak. 238 trivial. 0 not checked. [2018-12-08 22:00:08,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 22:00:08,927 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2831 states to 2363 states and 2831 transitions. [2018-12-08 22:00:08,927 INFO L276 IsEmpty]: Start isEmpty. Operand 2363 states and 2831 transitions. [2018-12-08 22:00:08,928 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 309 [2018-12-08 22:00:08,928 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 22:00:08,943 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 22:00:08,993 INFO L134 CoverageAnalysis]: Checked inductivity of 594 backedges. 356 proven. 0 refuted. 0 times theorem prover too weak. 238 trivial. 0 not checked. [2018-12-08 22:00:09,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 22:00:09,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2832 states to 2364 states and 2832 transitions. [2018-12-08 22:00:09,467 INFO L276 IsEmpty]: Start isEmpty. Operand 2364 states and 2832 transitions. [2018-12-08 22:00:09,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 309 [2018-12-08 22:00:09,469 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 22:00:09,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 22:00:09,533 INFO L134 CoverageAnalysis]: Checked inductivity of 594 backedges. 356 proven. 0 refuted. 0 times theorem prover too weak. 238 trivial. 0 not checked. [2018-12-08 22:00:09,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 22:00:09,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2837 states to 2368 states and 2837 transitions. [2018-12-08 22:00:09,967 INFO L276 IsEmpty]: Start isEmpty. Operand 2368 states and 2837 transitions. [2018-12-08 22:00:09,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 311 [2018-12-08 22:00:09,968 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 22:00:09,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 22:00:10,028 INFO L134 CoverageAnalysis]: Checked inductivity of 585 backedges. 440 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2018-12-08 22:00:10,832 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 22:00:10,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2853 states to 2383 states and 2853 transitions. [2018-12-08 22:00:10,833 INFO L276 IsEmpty]: Start isEmpty. Operand 2383 states and 2853 transitions. [2018-12-08 22:00:10,834 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 318 [2018-12-08 22:00:10,834 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 22:00:10,849 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 22:00:10,900 INFO L134 CoverageAnalysis]: Checked inductivity of 636 backedges. 347 proven. 0 refuted. 0 times theorem prover too weak. 289 trivial. 0 not checked. [2018-12-08 22:00:17,027 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 22:00:17,028 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2885 states to 2409 states and 2885 transitions. [2018-12-08 22:00:17,028 INFO L276 IsEmpty]: Start isEmpty. Operand 2409 states and 2885 transitions. [2018-12-08 22:00:17,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 318 [2018-12-08 22:00:17,030 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 22:00:17,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 22:00:17,095 INFO L134 CoverageAnalysis]: Checked inductivity of 636 backedges. 347 proven. 0 refuted. 0 times theorem prover too weak. 289 trivial. 0 not checked. [2018-12-08 22:00:20,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 22:00:20,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2898 states to 2421 states and 2898 transitions. [2018-12-08 22:00:20,879 INFO L276 IsEmpty]: Start isEmpty. Operand 2421 states and 2898 transitions. [2018-12-08 22:00:20,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 318 [2018-12-08 22:00:20,881 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 22:00:20,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 22:00:20,947 INFO L134 CoverageAnalysis]: Checked inductivity of 636 backedges. 347 proven. 0 refuted. 0 times theorem prover too weak. 289 trivial. 0 not checked. [2018-12-08 22:00:22,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 22:00:22,423 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2911 states to 2435 states and 2911 transitions. [2018-12-08 22:00:22,423 INFO L276 IsEmpty]: Start isEmpty. Operand 2435 states and 2911 transitions. [2018-12-08 22:00:22,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 319 [2018-12-08 22:00:22,425 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 22:00:22,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 22:00:22,528 INFO L134 CoverageAnalysis]: Checked inductivity of 614 backedges. 376 proven. 0 refuted. 0 times theorem prover too weak. 238 trivial. 0 not checked. [2018-12-08 22:00:23,141 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 22:00:23,142 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2916 states to 2436 states and 2916 transitions. [2018-12-08 22:00:23,142 INFO L276 IsEmpty]: Start isEmpty. Operand 2436 states and 2916 transitions. [2018-12-08 22:00:23,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 320 [2018-12-08 22:00:23,143 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 22:00:23,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 22:00:23,206 INFO L134 CoverageAnalysis]: Checked inductivity of 638 backedges. 475 proven. 0 refuted. 0 times theorem prover too weak. 163 trivial. 0 not checked. [2018-12-08 22:00:28,076 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 22:00:28,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2932 states to 2445 states and 2932 transitions. [2018-12-08 22:00:28,077 INFO L276 IsEmpty]: Start isEmpty. Operand 2445 states and 2932 transitions. [2018-12-08 22:00:28,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 320 [2018-12-08 22:00:28,078 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 22:00:28,093 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 22:00:28,141 INFO L134 CoverageAnalysis]: Checked inductivity of 638 backedges. 475 proven. 0 refuted. 0 times theorem prover too weak. 163 trivial. 0 not checked. [2018-12-08 22:00:28,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 22:00:28,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2935 states to 2446 states and 2935 transitions. [2018-12-08 22:00:28,672 INFO L276 IsEmpty]: Start isEmpty. Operand 2446 states and 2935 transitions. [2018-12-08 22:00:28,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 328 [2018-12-08 22:00:28,674 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 22:00:28,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 22:00:31,162 INFO L134 CoverageAnalysis]: Checked inductivity of 701 backedges. 513 proven. 94 refuted. 0 times theorem prover too weak. 94 trivial. 0 not checked. [2018-12-08 22:00:37,853 WARN L180 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 47 [2018-12-08 22:00:43,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 22:00:43,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2992 states to 2493 states and 2992 transitions. [2018-12-08 22:00:43,822 INFO L276 IsEmpty]: Start isEmpty. Operand 2493 states and 2992 transitions. [2018-12-08 22:00:43,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 328 [2018-12-08 22:00:43,823 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 22:00:43,838 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 22:00:43,998 INFO L134 CoverageAnalysis]: Checked inductivity of 701 backedges. 513 proven. 94 refuted. 0 times theorem prover too weak. 94 trivial. 0 not checked. [2018-12-08 22:00:48,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 22:00:48,662 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3027 states to 2529 states and 3027 transitions. [2018-12-08 22:00:48,663 INFO L276 IsEmpty]: Start isEmpty. Operand 2529 states and 3027 transitions. [2018-12-08 22:00:48,664 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 329 [2018-12-08 22:00:48,664 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 22:00:48,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 22:00:51,736 INFO L134 CoverageAnalysis]: Checked inductivity of 616 backedges. 539 proven. 4 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2018-12-08 22:00:59,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 22:00:59,832 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3039 states to 2539 states and 3039 transitions. [2018-12-08 22:00:59,832 INFO L276 IsEmpty]: Start isEmpty. Operand 2539 states and 3039 transitions. [2018-12-08 22:00:59,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 333 [2018-12-08 22:00:59,833 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 22:00:59,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 22:01:02,655 INFO L134 CoverageAnalysis]: Checked inductivity of 726 backedges. 611 proven. 0 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2018-12-08 22:01:06,083 WARN L180 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 52 [2018-12-08 22:01:08,221 WARN L180 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 48 [2018-12-08 22:01:13,214 WARN L180 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 45 [2018-12-08 22:01:15,000 WARN L180 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 45 [2018-12-08 22:01:16,542 WARN L180 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 45 [2018-12-08 22:01:17,826 WARN L180 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 45 [2018-12-08 22:01:19,268 WARN L180 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 44 [2018-12-08 22:01:20,489 WARN L180 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 48 [2018-12-08 22:01:22,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 22:01:22,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3094 states to 2592 states and 3094 transitions. [2018-12-08 22:01:22,326 INFO L276 IsEmpty]: Start isEmpty. Operand 2592 states and 3094 transitions. [2018-12-08 22:01:22,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 334 [2018-12-08 22:01:22,329 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 22:01:22,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 22:01:22,776 INFO L134 CoverageAnalysis]: Checked inductivity of 736 backedges. 173 proven. 423 refuted. 0 times theorem prover too weak. 140 trivial. 0 not checked. [2018-12-08 22:01:29,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 22:01:29,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3170 states to 2660 states and 3170 transitions. [2018-12-08 22:01:29,157 INFO L276 IsEmpty]: Start isEmpty. Operand 2660 states and 3170 transitions. [2018-12-08 22:01:29,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 334 [2018-12-08 22:01:29,158 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 22:01:29,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 22:01:29,562 INFO L134 CoverageAnalysis]: Checked inductivity of 736 backedges. 173 proven. 423 refuted. 0 times theorem prover too weak. 140 trivial. 0 not checked. [2018-12-08 22:01:31,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 22:01:31,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3191 states to 2681 states and 3191 transitions. [2018-12-08 22:01:31,860 INFO L276 IsEmpty]: Start isEmpty. Operand 2681 states and 3191 transitions. [2018-12-08 22:01:31,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 334 [2018-12-08 22:01:31,861 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 22:01:31,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 22:01:32,261 INFO L134 CoverageAnalysis]: Checked inductivity of 736 backedges. 173 proven. 423 refuted. 0 times theorem prover too weak. 140 trivial. 0 not checked. [2018-12-08 22:01:33,231 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 22:01:33,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3196 states to 2687 states and 3196 transitions. [2018-12-08 22:01:33,233 INFO L276 IsEmpty]: Start isEmpty. Operand 2687 states and 3196 transitions. [2018-12-08 22:01:33,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 337 [2018-12-08 22:01:33,234 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 22:01:33,251 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 22:01:33,325 INFO L134 CoverageAnalysis]: Checked inductivity of 674 backedges. 375 proven. 137 refuted. 0 times theorem prover too weak. 162 trivial. 0 not checked. [2018-12-08 22:01:36,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 22:01:36,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3192 states to 2684 states and 3192 transitions. [2018-12-08 22:01:36,070 INFO L276 IsEmpty]: Start isEmpty. Operand 2684 states and 3192 transitions. [2018-12-08 22:01:36,071 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-08 22:01:36,071 WARN L428 CodeCheckObserver]: This Program is SAFE, Check terminated with 155 iterations. [2018-12-08 22:01:36,079 INFO L779 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-12-08 22:01:36,287 WARN L180 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 16 [2018-12-08 22:01:36,479 WARN L180 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 41 [2018-12-08 22:01:36,807 WARN L180 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 44 [2018-12-08 22:01:37,024 WARN L180 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 44 [2018-12-08 22:01:37,176 WARN L180 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 16 [2018-12-08 22:01:37,408 WARN L180 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 41 [2018-12-08 22:01:37,689 WARN L180 SmtUtils]: Spent 281.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 52 [2018-12-08 22:01:37,995 WARN L180 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 16 [2018-12-08 22:01:38,110 WARN L180 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 16 [2018-12-08 22:01:38,309 WARN L180 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 41 [2018-12-08 22:01:38,564 WARN L180 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 41 [2018-12-08 22:01:38,746 WARN L180 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 41 [2018-12-08 22:01:38,968 WARN L180 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 16 [2018-12-08 22:01:39,389 WARN L180 SmtUtils]: Spent 329.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 53 [2018-12-08 22:01:39,663 WARN L180 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 44 [2018-12-08 22:01:39,853 WARN L180 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 44 [2018-12-08 22:01:40,350 WARN L180 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 16 [2018-12-08 22:01:40,882 WARN L180 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 44 [2018-12-08 22:01:41,160 WARN L180 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 41 [2018-12-08 22:01:41,429 WARN L180 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 16 [2018-12-08 22:01:41,651 WARN L180 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 131 DAG size of output: 44 [2018-12-08 22:01:41,847 WARN L180 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 44 [2018-12-08 22:01:42,112 WARN L180 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 16 [2018-12-08 22:01:42,258 WARN L180 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 16 [2018-12-08 22:01:42,606 WARN L180 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 16 [2018-12-08 22:01:42,925 WARN L180 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 41 [2018-12-08 22:01:43,280 WARN L180 SmtUtils]: Spent 354.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 71 [2018-12-08 22:01:43,480 WARN L180 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 16 [2018-12-08 22:01:43,581 WARN L180 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 16 [2018-12-08 22:01:43,933 WARN L180 SmtUtils]: Spent 351.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 53 [2018-12-08 22:01:44,214 WARN L180 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 44 [2018-12-08 22:01:44,397 WARN L180 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 44 [2018-12-08 22:01:44,508 WARN L180 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 16 [2018-12-08 22:01:44,693 WARN L180 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 41 [2018-12-08 22:01:44,714 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-08 22:01:44,716 INFO L583 CodeCheckObserver]: Invariant with dag size 16 [2018-12-08 22:01:44,721 INFO L583 CodeCheckObserver]: Invariant with dag size 16 [2018-12-08 22:01:44,721 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.12 10:01:44 ImpRootNode [2018-12-08 22:01:44,721 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-12-08 22:01:44,721 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-08 22:01:44,721 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-08 22:01:44,722 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-08 22:01:44,722 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 09:56:51" (3/4) ... [2018-12-08 22:01:44,724 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-08 22:01:44,734 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 99 nodes and edges [2018-12-08 22:01:44,735 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 18 nodes and edges [2018-12-08 22:01:44,735 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2018-12-08 22:01:44,735 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-08 22:01:44,793 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_6d33be48-c018-4365-aefe-df09cf297a5b/bin-2019/ukojak/witness.graphml [2018-12-08 22:01:44,793 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-08 22:01:44,793 INFO L168 Benchmark]: Toolchain (without parser) took 294231.72 ms. Allocated memory was 1.0 GB in the beginning and 2.1 GB in the end (delta: 1.1 GB). Free memory was 945.3 MB in the beginning and 1.4 GB in the end (delta: -457.6 MB). Peak memory consumption was 661.7 MB. Max. memory is 11.5 GB. [2018-12-08 22:01:44,794 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 22:01:44,794 INFO L168 Benchmark]: CACSL2BoogieTranslator took 313.66 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 108.5 MB). Free memory was 945.3 MB in the beginning and 1.1 GB in the end (delta: -146.1 MB). Peak memory consumption was 40.8 MB. Max. memory is 11.5 GB. [2018-12-08 22:01:44,794 INFO L168 Benchmark]: Boogie Procedure Inliner took 38.85 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-12-08 22:01:44,794 INFO L168 Benchmark]: Boogie Preprocessor took 28.96 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2018-12-08 22:01:44,794 INFO L168 Benchmark]: RCFGBuilder took 941.77 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 874.3 MB in the end (delta: 206.3 MB). Peak memory consumption was 206.3 MB. Max. memory is 11.5 GB. [2018-12-08 22:01:44,795 INFO L168 Benchmark]: CodeCheck took 292833.06 ms. Allocated memory was 1.1 GB in the beginning and 2.1 GB in the end (delta: 1.0 GB). Free memory was 874.3 MB in the beginning and 1.4 GB in the end (delta: -552.3 MB). Peak memory consumption was 1.5 GB. Max. memory is 11.5 GB. [2018-12-08 22:01:44,795 INFO L168 Benchmark]: Witness Printer took 71.51 ms. Allocated memory is still 2.1 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 23.7 MB). Peak memory consumption was 23.7 MB. Max. memory is 11.5 GB. [2018-12-08 22:01:44,796 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 198 locations, 1 error locations. SAFE Result, 284.1s OverallTime, 155 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: -2013133708 SDtfs, 1123373510 SDslu, 1822341322 SDs, 0 SdLazy, -348863648 SolverSat, -1061962232 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 510.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 194377 GetRequests, 188815 SyntacticMatches, 3780 SemanticMatches, 1782 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2279751 ImplicationChecksByTransitivity, 261.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.5s SsaConstructionTime, 0.9s SatisfiabilityAnalysisTime, 31.1s InterpolantComputationTime, 29355 NumberOfCodeBlocks, 29355 NumberOfCodeBlocksAsserted, 154 NumberOfCheckSat, 29201 ConstructedInterpolants, 0 QuantifiedInterpolants, 34120181 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 154 InterpolantComputations, 118 PerfectInterpolantSequences, 34846/37140 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: 497]: 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: ((!(a17 == 1) || !(a20 == 1)) || !(a16 == 6)) || !(a8 == 14) - InvariantResult [Line: 583]: Loop Invariant Derived loop invariant: ((!(a17 == 1) || !(a20 == 1)) || !(a8 == 14)) || !(a16 == 6) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 979.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 313.66 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 108.5 MB). Free memory was 945.3 MB in the beginning and 1.1 GB in the end (delta: -146.1 MB). Peak memory consumption was 40.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 38.85 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 28.96 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 941.77 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 874.3 MB in the end (delta: 206.3 MB). Peak memory consumption was 206.3 MB. Max. memory is 11.5 GB. * CodeCheck took 292833.06 ms. Allocated memory was 1.1 GB in the beginning and 2.1 GB in the end (delta: 1.0 GB). Free memory was 874.3 MB in the beginning and 1.4 GB in the end (delta: -552.3 MB). Peak memory consumption was 1.5 GB. Max. memory is 11.5 GB. * Witness Printer took 71.51 ms. Allocated memory is still 2.1 GB. Free memory was 1.4 GB in the beginning and 1.4 GB in the end (delta: 23.7 MB). Peak memory consumption was 23.7 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...