./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem01_label41_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_1678b947-73f6-47df-a618-e732eb214ba9/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_1678b947-73f6-47df-a618-e732eb214ba9/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_1678b947-73f6-47df-a618-e732eb214ba9/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_1678b947-73f6-47df-a618-e732eb214ba9/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem01_label41_true-unreach-call_false-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_1678b947-73f6-47df-a618-e732eb214ba9/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_1678b947-73f6-47df-a618-e732eb214ba9/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 936e1fac1e718929285e646469efe9b1619e10b2 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-09 17:26:16,124 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-09 17:26:16,125 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-09 17:26:16,130 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-09 17:26:16,131 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-09 17:26:16,131 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-09 17:26:16,132 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-09 17:26:16,132 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-09 17:26:16,133 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-09 17:26:16,133 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-09 17:26:16,134 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-09 17:26:16,134 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-09 17:26:16,134 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-09 17:26:16,135 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-09 17:26:16,135 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-09 17:26:16,136 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-09 17:26:16,136 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-09 17:26:16,137 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-09 17:26:16,138 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-09 17:26:16,138 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-09 17:26:16,139 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-09 17:26:16,139 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-09 17:26:16,140 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-09 17:26:16,140 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-09 17:26:16,141 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-09 17:26:16,141 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-09 17:26:16,141 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-09 17:26:16,142 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-09 17:26:16,142 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-09 17:26:16,143 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-09 17:26:16,143 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-09 17:26:16,143 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-09 17:26:16,143 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-09 17:26:16,143 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-09 17:26:16,144 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-09 17:26:16,144 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-09 17:26:16,144 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_1678b947-73f6-47df-a618-e732eb214ba9/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-12-09 17:26:16,151 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-09 17:26:16,151 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-09 17:26:16,152 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-09 17:26:16,152 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-12-09 17:26:16,152 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-09 17:26:16,152 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-09 17:26:16,152 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-09 17:26:16,152 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-09 17:26:16,153 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-09 17:26:16,153 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-09 17:26:16,153 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-09 17:26:16,153 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-09 17:26:16,153 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-09 17:26:16,153 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-09 17:26:16,153 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-09 17:26:16,153 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-09 17:26:16,153 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-09 17:26:16,153 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-09 17:26:16,153 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-12-09 17:26:16,154 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-12-09 17:26:16,154 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-09 17:26:16,154 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-09 17:26:16,154 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-09 17:26:16,154 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-09 17:26:16,154 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-09 17:26:16,154 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-09 17:26:16,154 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-12-09 17:26:16,154 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-09 17:26:16,154 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-09 17:26:16,154 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_1678b947-73f6-47df-a618-e732eb214ba9/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 -> 936e1fac1e718929285e646469efe9b1619e10b2 [2018-12-09 17:26:16,172 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-09 17:26:16,181 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-09 17:26:16,183 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-09 17:26:16,184 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-09 17:26:16,185 INFO L276 PluginConnector]: CDTParser initialized [2018-12-09 17:26:16,185 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_1678b947-73f6-47df-a618-e732eb214ba9/bin-2019/ukojak/../../sv-benchmarks/c/eca-rers2012/Problem01_label41_true-unreach-call_false-termination.c [2018-12-09 17:26:16,220 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_1678b947-73f6-47df-a618-e732eb214ba9/bin-2019/ukojak/data/e29adc16c/1175155cc6474d718c4f360de40926b9/FLAGebbabf62b [2018-12-09 17:26:16,646 INFO L307 CDTParser]: Found 1 translation units. [2018-12-09 17:26:16,646 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_1678b947-73f6-47df-a618-e732eb214ba9/sv-benchmarks/c/eca-rers2012/Problem01_label41_true-unreach-call_false-termination.c [2018-12-09 17:26:16,653 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_1678b947-73f6-47df-a618-e732eb214ba9/bin-2019/ukojak/data/e29adc16c/1175155cc6474d718c4f360de40926b9/FLAGebbabf62b [2018-12-09 17:26:16,662 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_1678b947-73f6-47df-a618-e732eb214ba9/bin-2019/ukojak/data/e29adc16c/1175155cc6474d718c4f360de40926b9 [2018-12-09 17:26:16,664 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-09 17:26:16,665 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-09 17:26:16,666 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-09 17:26:16,666 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-09 17:26:16,668 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-09 17:26:16,669 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 05:26:16" (1/1) ... [2018-12-09 17:26:16,670 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@27d92faf and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:26:16, skipping insertion in model container [2018-12-09 17:26:16,670 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 09.12 05:26:16" (1/1) ... [2018-12-09 17:26:16,675 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-09 17:26:16,703 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-09 17:26:16,889 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 17:26:16,892 INFO L191 MainTranslator]: Completed pre-run [2018-12-09 17:26:16,974 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-09 17:26:16,984 INFO L195 MainTranslator]: Completed translation [2018-12-09 17:26:16,984 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:26:16 WrapperNode [2018-12-09 17:26:16,984 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-09 17:26:16,985 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-09 17:26:16,985 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-09 17:26:16,985 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-09 17:26:16,990 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:26:16" (1/1) ... [2018-12-09 17:26:16,999 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:26:16" (1/1) ... [2018-12-09 17:26:17,025 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-09 17:26:17,025 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-09 17:26:17,025 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-09 17:26:17,025 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-09 17:26:17,031 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:26:16" (1/1) ... [2018-12-09 17:26:17,032 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:26:16" (1/1) ... [2018-12-09 17:26:17,034 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:26:16" (1/1) ... [2018-12-09 17:26:17,034 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:26:16" (1/1) ... [2018-12-09 17:26:17,042 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:26:16" (1/1) ... [2018-12-09 17:26:17,048 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:26:16" (1/1) ... [2018-12-09 17:26:17,051 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:26:16" (1/1) ... [2018-12-09 17:26:17,055 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-09 17:26:17,055 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-09 17:26:17,055 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-09 17:26:17,055 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-09 17:26:17,056 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 09.12 05:26:16" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_1678b947-73f6-47df-a618-e732eb214ba9/bin-2019/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-09 17:26:17,090 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-09 17:26:17,090 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-09 17:26:18,061 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-09 17:26:18,061 INFO L280 CfgBuilder]: Removed 7 assue(true) statements. [2018-12-09 17:26:18,061 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 05:26:18 BoogieIcfgContainer [2018-12-09 17:26:18,062 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-09 17:26:18,062 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-12-09 17:26:18,062 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-12-09 17:26:18,071 INFO L276 PluginConnector]: CodeCheck initialized [2018-12-09 17:26:18,071 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 05:26:18" (1/1) ... [2018-12-09 17:26:18,081 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-09 17:26:18,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 17:26:18,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 76 states and 144 transitions. [2018-12-09 17:26:18,111 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 144 transitions. [2018-12-09 17:26:18,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2018-12-09 17:26:18,114 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 17:26:18,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 17:26:18,293 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 17:26:18,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 17:26:18,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 145 states and 220 transitions. [2018-12-09 17:26:18,585 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 220 transitions. [2018-12-09 17:26:18,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2018-12-09 17:26:18,586 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 17:26:18,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 17:26:18,682 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-09 17:26:18,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 17:26:18,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 146 states and 221 transitions. [2018-12-09 17:26:18,771 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 221 transitions. [2018-12-09 17:26:18,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2018-12-09 17:26:18,771 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 17:26:18,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 17:26:18,800 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 17:26:18,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 17:26:18,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 151 states and 230 transitions. [2018-12-09 17:26:18,883 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 230 transitions. [2018-12-09 17:26:18,884 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2018-12-09 17:26:18,884 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 17:26:18,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 17:26:18,926 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 17:26:19,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 17:26:19,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 303 states to 221 states and 303 transitions. [2018-12-09 17:26:19,250 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 303 transitions. [2018-12-09 17:26:19,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 80 [2018-12-09 17:26:19,252 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 17:26:19,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 17:26:19,288 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 17:26:19,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 17:26:19,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 314 states to 228 states and 314 transitions. [2018-12-09 17:26:19,446 INFO L276 IsEmpty]: Start isEmpty. Operand 228 states and 314 transitions. [2018-12-09 17:26:19,449 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2018-12-09 17:26:19,449 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 17:26:19,455 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 17:26:19,503 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 17:26:19,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 17:26:19,812 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 330 states to 236 states and 330 transitions. [2018-12-09 17:26:19,812 INFO L276 IsEmpty]: Start isEmpty. Operand 236 states and 330 transitions. [2018-12-09 17:26:19,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2018-12-09 17:26:19,813 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 17:26:19,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 17:26:19,831 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 17:26:20,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 17:26:20,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 335 states to 241 states and 335 transitions. [2018-12-09 17:26:20,009 INFO L276 IsEmpty]: Start isEmpty. Operand 241 states and 335 transitions. [2018-12-09 17:26:20,009 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 85 [2018-12-09 17:26:20,009 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 17:26:20,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 17:26:20,032 INFO L134 CoverageAnalysis]: Checked inductivity of 12 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 17:26:20,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 17:26:20,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 340 states to 246 states and 340 transitions. [2018-12-09 17:26:20,066 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states and 340 transitions. [2018-12-09 17:26:20,066 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2018-12-09 17:26:20,066 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 17:26:20,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 17:26:20,082 INFO L134 CoverageAnalysis]: Checked inductivity of 20 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-12-09 17:26:20,208 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 17:26:20,209 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 350 states to 254 states and 350 transitions. [2018-12-09 17:26:20,209 INFO L276 IsEmpty]: Start isEmpty. Operand 254 states and 350 transitions. [2018-12-09 17:26:20,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2018-12-09 17:26:20,210 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 17:26:20,218 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 17:26:20,233 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 16 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-09 17:26:20,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 17:26:20,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 357 states to 260 states and 357 transitions. [2018-12-09 17:26:20,455 INFO L276 IsEmpty]: Start isEmpty. Operand 260 states and 357 transitions. [2018-12-09 17:26:20,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2018-12-09 17:26:20,456 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 17:26:20,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 17:26:20,474 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-09 17:26:20,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 17:26:20,525 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 361 states to 263 states and 361 transitions. [2018-12-09 17:26:20,525 INFO L276 IsEmpty]: Start isEmpty. Operand 263 states and 361 transitions. [2018-12-09 17:26:20,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2018-12-09 17:26:20,526 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 17:26:20,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 17:26:20,549 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-12-09 17:26:20,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 17:26:20,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 366 states to 268 states and 366 transitions. [2018-12-09 17:26:20,592 INFO L276 IsEmpty]: Start isEmpty. Operand 268 states and 366 transitions. [2018-12-09 17:26:20,593 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2018-12-09 17:26:20,593 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 17:26:20,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 17:26:20,614 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-09 17:26:20,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 17:26:20,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 367 states to 269 states and 367 transitions. [2018-12-09 17:26:20,671 INFO L276 IsEmpty]: Start isEmpty. Operand 269 states and 367 transitions. [2018-12-09 17:26:20,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2018-12-09 17:26:20,671 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 17:26:20,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 17:26:20,752 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-09 17:26:21,166 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 17:26:21,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 389 states to 283 states and 389 transitions. [2018-12-09 17:26:21,166 INFO L276 IsEmpty]: Start isEmpty. Operand 283 states and 389 transitions. [2018-12-09 17:26:21,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2018-12-09 17:26:21,167 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 17:26:21,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 17:26:21,247 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 17:26:22,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 17:26:22,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 421 states to 305 states and 421 transitions. [2018-12-09 17:26:22,101 INFO L276 IsEmpty]: Start isEmpty. Operand 305 states and 421 transitions. [2018-12-09 17:26:22,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2018-12-09 17:26:22,102 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 17:26:22,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 17:26:22,123 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 17:26:22,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 17:26:22,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 424 states to 308 states and 424 transitions. [2018-12-09 17:26:22,238 INFO L276 IsEmpty]: Start isEmpty. Operand 308 states and 424 transitions. [2018-12-09 17:26:22,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2018-12-09 17:26:22,239 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 17:26:22,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 17:26:22,253 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 17:26:22,391 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 17:26:22,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 425 states to 310 states and 425 transitions. [2018-12-09 17:26:22,392 INFO L276 IsEmpty]: Start isEmpty. Operand 310 states and 425 transitions. [2018-12-09 17:26:22,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2018-12-09 17:26:22,393 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 17:26:22,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 17:26:22,441 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-12-09 17:26:22,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 17:26:22,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 427 states to 311 states and 427 transitions. [2018-12-09 17:26:22,548 INFO L276 IsEmpty]: Start isEmpty. Operand 311 states and 427 transitions. [2018-12-09 17:26:22,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2018-12-09 17:26:22,549 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 17:26:22,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 17:26:22,564 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-12-09 17:26:22,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 17:26:22,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 429 states to 313 states and 429 transitions. [2018-12-09 17:26:22,578 INFO L276 IsEmpty]: Start isEmpty. Operand 313 states and 429 transitions. [2018-12-09 17:26:22,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2018-12-09 17:26:22,579 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 17:26:22,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 17:26:22,649 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-12-09 17:26:23,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 17:26:23,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 441 states to 324 states and 441 transitions. [2018-12-09 17:26:23,031 INFO L276 IsEmpty]: Start isEmpty. Operand 324 states and 441 transitions. [2018-12-09 17:26:23,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2018-12-09 17:26:23,032 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 17:26:23,039 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 17:26:23,049 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-12-09 17:26:23,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 17:26:23,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 444 states to 327 states and 444 transitions. [2018-12-09 17:26:23,062 INFO L276 IsEmpty]: Start isEmpty. Operand 327 states and 444 transitions. [2018-12-09 17:26:23,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2018-12-09 17:26:23,063 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 17:26:23,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 17:26:23,083 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-12-09 17:26:23,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 17:26:23,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 446 states to 329 states and 446 transitions. [2018-12-09 17:26:23,100 INFO L276 IsEmpty]: Start isEmpty. Operand 329 states and 446 transitions. [2018-12-09 17:26:23,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2018-12-09 17:26:23,101 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 17:26:23,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 17:26:23,120 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-12-09 17:26:23,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 17:26:23,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 459 states to 340 states and 459 transitions. [2018-12-09 17:26:23,318 INFO L276 IsEmpty]: Start isEmpty. Operand 340 states and 459 transitions. [2018-12-09 17:26:23,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2018-12-09 17:26:23,318 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 17:26:23,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 17:26:23,389 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-09 17:26:23,902 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 17:26:23,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 490 states to 365 states and 490 transitions. [2018-12-09 17:26:23,902 INFO L276 IsEmpty]: Start isEmpty. Operand 365 states and 490 transitions. [2018-12-09 17:26:23,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2018-12-09 17:26:23,903 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 17:26:23,907 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 17:26:23,970 INFO L134 CoverageAnalysis]: Checked inductivity of 44 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-09 17:26:24,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 17:26:24,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 509 states to 380 states and 509 transitions. [2018-12-09 17:26:24,299 INFO L276 IsEmpty]: Start isEmpty. Operand 380 states and 509 transitions. [2018-12-09 17:26:24,300 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2018-12-09 17:26:24,300 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 17:26:24,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 17:26:24,581 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-09 17:26:25,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 17:26:25,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 539 states to 405 states and 539 transitions. [2018-12-09 17:26:25,406 INFO L276 IsEmpty]: Start isEmpty. Operand 405 states and 539 transitions. [2018-12-09 17:26:25,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2018-12-09 17:26:25,407 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 17:26:25,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 17:26:25,648 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 46 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-09 17:26:26,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 17:26:26,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 558 states to 419 states and 558 transitions. [2018-12-09 17:26:26,156 INFO L276 IsEmpty]: Start isEmpty. Operand 419 states and 558 transitions. [2018-12-09 17:26:26,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2018-12-09 17:26:26,157 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 17:26:26,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 17:26:26,230 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 46 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-09 17:26:26,586 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 17:26:26,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 571 states to 430 states and 571 transitions. [2018-12-09 17:26:26,587 INFO L276 IsEmpty]: Start isEmpty. Operand 430 states and 571 transitions. [2018-12-09 17:26:26,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2018-12-09 17:26:26,587 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 17:26:26,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 17:26:26,604 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-12-09 17:26:26,791 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 17:26:26,792 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 576 states to 433 states and 576 transitions. [2018-12-09 17:26:26,792 INFO L276 IsEmpty]: Start isEmpty. Operand 433 states and 576 transitions. [2018-12-09 17:26:26,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2018-12-09 17:26:26,792 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 17:26:26,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 17:26:26,817 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-12-09 17:26:27,220 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 17:26:27,221 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 591 states to 447 states and 591 transitions. [2018-12-09 17:26:27,221 INFO L276 IsEmpty]: Start isEmpty. Operand 447 states and 591 transitions. [2018-12-09 17:26:27,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2018-12-09 17:26:27,222 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 17:26:27,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 17:26:27,236 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 47 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-12-09 17:26:27,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 17:26:27,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 599 states to 453 states and 599 transitions. [2018-12-09 17:26:27,435 INFO L276 IsEmpty]: Start isEmpty. Operand 453 states and 599 transitions. [2018-12-09 17:26:27,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2018-12-09 17:26:27,435 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 17:26:27,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 17:26:27,457 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-12-09 17:26:27,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 17:26:27,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 600 states to 454 states and 600 transitions. [2018-12-09 17:26:27,479 INFO L276 IsEmpty]: Start isEmpty. Operand 454 states and 600 transitions. [2018-12-09 17:26:27,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2018-12-09 17:26:27,480 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 17:26:27,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 17:26:27,592 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 56 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-09 17:26:28,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 17:26:28,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 609 states to 460 states and 609 transitions. [2018-12-09 17:26:28,117 INFO L276 IsEmpty]: Start isEmpty. Operand 460 states and 609 transitions. [2018-12-09 17:26:28,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2018-12-09 17:26:28,118 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 17:26:28,124 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 17:26:28,135 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 43 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-12-09 17:26:28,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 17:26:28,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 613 states to 463 states and 613 transitions. [2018-12-09 17:26:28,242 INFO L276 IsEmpty]: Start isEmpty. Operand 463 states and 613 transitions. [2018-12-09 17:26:28,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2018-12-09 17:26:28,243 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 17:26:28,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 17:26:28,258 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-12-09 17:26:28,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 17:26:28,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 622 states to 472 states and 622 transitions. [2018-12-09 17:26:28,285 INFO L276 IsEmpty]: Start isEmpty. Operand 472 states and 622 transitions. [2018-12-09 17:26:28,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2018-12-09 17:26:28,286 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 17:26:28,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 17:26:28,303 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 46 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-12-09 17:26:28,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 17:26:28,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 623 states to 473 states and 623 transitions. [2018-12-09 17:26:28,317 INFO L276 IsEmpty]: Start isEmpty. Operand 473 states and 623 transitions. [2018-12-09 17:26:28,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2018-12-09 17:26:28,317 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 17:26:28,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 17:26:28,443 INFO L134 CoverageAnalysis]: Checked inductivity of 67 backedges. 64 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-09 17:26:29,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 17:26:29,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 641 states to 482 states and 641 transitions. [2018-12-09 17:26:29,415 INFO L276 IsEmpty]: Start isEmpty. Operand 482 states and 641 transitions. [2018-12-09 17:26:29,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2018-12-09 17:26:29,416 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 17:26:29,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 17:26:29,750 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 17:26:31,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 17:26:31,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 697 states to 530 states and 697 transitions. [2018-12-09 17:26:31,633 INFO L276 IsEmpty]: Start isEmpty. Operand 530 states and 697 transitions. [2018-12-09 17:26:31,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2018-12-09 17:26:31,633 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 17:26:31,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 17:26:31,655 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 17:26:33,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 17:26:33,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 748 states to 575 states and 748 transitions. [2018-12-09 17:26:33,255 INFO L276 IsEmpty]: Start isEmpty. Operand 575 states and 748 transitions. [2018-12-09 17:26:33,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2018-12-09 17:26:33,256 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 17:26:33,261 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 17:26:33,275 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 17:26:34,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 17:26:34,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 780 states to 606 states and 780 transitions. [2018-12-09 17:26:34,874 INFO L276 IsEmpty]: Start isEmpty. Operand 606 states and 780 transitions. [2018-12-09 17:26:34,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2018-12-09 17:26:34,875 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 17:26:34,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 17:26:34,901 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 53 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 17:26:34,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 17:26:34,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 788 states to 611 states and 788 transitions. [2018-12-09 17:26:34,931 INFO L276 IsEmpty]: Start isEmpty. Operand 611 states and 788 transitions. [2018-12-09 17:26:34,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2018-12-09 17:26:34,932 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 17:26:34,938 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 17:26:35,090 INFO L134 CoverageAnalysis]: Checked inductivity of 89 backedges. 78 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-12-09 17:26:36,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 17:26:36,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 806 states to 620 states and 806 transitions. [2018-12-09 17:26:36,248 INFO L276 IsEmpty]: Start isEmpty. Operand 620 states and 806 transitions. [2018-12-09 17:26:36,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2018-12-09 17:26:36,248 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 17:26:36,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 17:26:36,265 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 61 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-12-09 17:26:36,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 17:26:36,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 807 states to 621 states and 807 transitions. [2018-12-09 17:26:36,277 INFO L276 IsEmpty]: Start isEmpty. Operand 621 states and 807 transitions. [2018-12-09 17:26:36,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2018-12-09 17:26:36,278 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 17:26:36,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 17:26:36,298 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-12-09 17:26:37,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 17:26:37,615 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 863 states to 670 states and 863 transitions. [2018-12-09 17:26:37,615 INFO L276 IsEmpty]: Start isEmpty. Operand 670 states and 863 transitions. [2018-12-09 17:26:37,617 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2018-12-09 17:26:37,617 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 17:26:37,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 17:26:37,859 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 63 proven. 3 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-12-09 17:26:39,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 17:26:39,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 915 states to 717 states and 915 transitions. [2018-12-09 17:26:39,873 INFO L276 IsEmpty]: Start isEmpty. Operand 717 states and 915 transitions. [2018-12-09 17:26:39,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2018-12-09 17:26:39,873 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 17:26:39,879 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 17:26:39,973 INFO L134 CoverageAnalysis]: Checked inductivity of 71 backedges. 63 proven. 3 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-12-09 17:26:40,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 17:26:40,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 936 states to 737 states and 936 transitions. [2018-12-09 17:26:40,610 INFO L276 IsEmpty]: Start isEmpty. Operand 737 states and 936 transitions. [2018-12-09 17:26:40,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2018-12-09 17:26:40,610 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 17:26:40,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 17:26:40,927 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 65 proven. 11 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-12-09 17:26:42,058 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 17:26:42,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 955 states to 749 states and 955 transitions. [2018-12-09 17:26:42,059 INFO L276 IsEmpty]: Start isEmpty. Operand 749 states and 955 transitions. [2018-12-09 17:26:42,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2018-12-09 17:26:42,060 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 17:26:42,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 17:26:42,682 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 69 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 17:26:46,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 17:26:46,913 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1027 states to 816 states and 1027 transitions. [2018-12-09 17:26:46,914 INFO L276 IsEmpty]: Start isEmpty. Operand 816 states and 1027 transitions. [2018-12-09 17:26:46,914 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2018-12-09 17:26:46,914 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 17:26:46,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 17:26:46,936 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 72 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-12-09 17:26:46,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 17:26:46,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1045 states to 833 states and 1045 transitions. [2018-12-09 17:26:46,990 INFO L276 IsEmpty]: Start isEmpty. Operand 833 states and 1045 transitions. [2018-12-09 17:26:46,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2018-12-09 17:26:46,990 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 17:26:47,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 17:26:47,615 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 116 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 17:26:49,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 17:26:49,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1082 states to 856 states and 1082 transitions. [2018-12-09 17:26:49,805 INFO L276 IsEmpty]: Start isEmpty. Operand 856 states and 1082 transitions. [2018-12-09 17:26:49,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2018-12-09 17:26:49,806 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 17:26:49,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 17:26:49,971 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 116 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 17:26:50,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 17:26:50,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1085 states to 859 states and 1085 transitions. [2018-12-09 17:26:50,217 INFO L276 IsEmpty]: Start isEmpty. Operand 859 states and 1085 transitions. [2018-12-09 17:26:50,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2018-12-09 17:26:50,217 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 17:26:50,230 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 17:26:50,260 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2018-12-09 17:26:50,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 17:26:50,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1088 states to 863 states and 1088 transitions. [2018-12-09 17:26:50,516 INFO L276 IsEmpty]: Start isEmpty. Operand 863 states and 1088 transitions. [2018-12-09 17:26:50,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2018-12-09 17:26:50,516 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 17:26:50,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 17:26:50,543 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 74 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-12-09 17:26:50,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 17:26:50,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1090 states to 865 states and 1090 transitions. [2018-12-09 17:26:50,566 INFO L276 IsEmpty]: Start isEmpty. Operand 865 states and 1090 transitions. [2018-12-09 17:26:50,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2018-12-09 17:26:50,567 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 17:26:50,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 17:26:51,094 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 109 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-09 17:26:53,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 17:26:53,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1105 states to 876 states and 1105 transitions. [2018-12-09 17:26:53,002 INFO L276 IsEmpty]: Start isEmpty. Operand 876 states and 1105 transitions. [2018-12-09 17:26:53,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2018-12-09 17:26:53,003 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 17:26:53,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 17:26:53,045 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 109 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-09 17:26:54,366 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 17:26:54,367 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1128 states to 897 states and 1128 transitions. [2018-12-09 17:26:54,367 INFO L276 IsEmpty]: Start isEmpty. Operand 897 states and 1128 transitions. [2018-12-09 17:26:54,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2018-12-09 17:26:54,368 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 17:26:54,375 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 17:26:54,424 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 109 proven. 1 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-09 17:26:54,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 17:26:54,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1133 states to 902 states and 1133 transitions. [2018-12-09 17:26:54,772 INFO L276 IsEmpty]: Start isEmpty. Operand 902 states and 1133 transitions. [2018-12-09 17:26:54,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2018-12-09 17:26:54,773 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 17:26:54,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 17:26:54,974 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 82 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 17:26:57,849 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 17:26:57,850 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1204 states to 973 states and 1204 transitions. [2018-12-09 17:26:57,850 INFO L276 IsEmpty]: Start isEmpty. Operand 973 states and 1204 transitions. [2018-12-09 17:26:57,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2018-12-09 17:26:57,851 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 17:26:57,868 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 17:26:58,074 INFO L134 CoverageAnalysis]: Checked inductivity of 131 backedges. 103 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2018-12-09 17:26:59,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 17:26:59,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1222 states to 985 states and 1222 transitions. [2018-12-09 17:26:59,805 INFO L276 IsEmpty]: Start isEmpty. Operand 985 states and 1222 transitions. [2018-12-09 17:26:59,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2018-12-09 17:26:59,806 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 17:26:59,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 17:27:00,240 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 86 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-09 17:27:02,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 17:27:02,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1286 states to 1037 states and 1286 transitions. [2018-12-09 17:27:02,286 INFO L276 IsEmpty]: Start isEmpty. Operand 1037 states and 1286 transitions. [2018-12-09 17:27:02,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2018-12-09 17:27:02,287 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 17:27:02,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 17:27:02,409 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 86 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-09 17:27:02,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 17:27:02,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1302 states to 1054 states and 1302 transitions. [2018-12-09 17:27:02,844 INFO L276 IsEmpty]: Start isEmpty. Operand 1054 states and 1302 transitions. [2018-12-09 17:27:02,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2018-12-09 17:27:02,845 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 17:27:02,855 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 17:27:02,877 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 87 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2018-12-09 17:27:03,088 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 17:27:03,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1304 states to 1056 states and 1304 transitions. [2018-12-09 17:27:03,088 INFO L276 IsEmpty]: Start isEmpty. Operand 1056 states and 1304 transitions. [2018-12-09 17:27:03,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2018-12-09 17:27:03,089 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 17:27:03,096 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 17:27:03,554 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 91 proven. 30 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 17:27:05,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 17:27:05,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1329 states to 1076 states and 1329 transitions. [2018-12-09 17:27:05,821 INFO L276 IsEmpty]: Start isEmpty. Operand 1076 states and 1329 transitions. [2018-12-09 17:27:05,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2018-12-09 17:27:05,821 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 17:27:05,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 17:27:06,576 INFO L134 CoverageAnalysis]: Checked inductivity of 142 backedges. 98 proven. 44 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 17:27:08,585 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 17:27:08,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1357 states to 1093 states and 1357 transitions. [2018-12-09 17:27:08,586 INFO L276 IsEmpty]: Start isEmpty. Operand 1093 states and 1357 transitions. [2018-12-09 17:27:08,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2018-12-09 17:27:08,587 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 17:27:08,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 17:27:08,619 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 86 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2018-12-09 17:27:08,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 17:27:08,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1359 states to 1095 states and 1359 transitions. [2018-12-09 17:27:08,667 INFO L276 IsEmpty]: Start isEmpty. Operand 1095 states and 1359 transitions. [2018-12-09 17:27:08,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2018-12-09 17:27:08,668 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 17:27:08,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 17:27:08,791 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 90 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2018-12-09 17:27:09,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 17:27:09,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1384 states to 1119 states and 1384 transitions. [2018-12-09 17:27:09,729 INFO L276 IsEmpty]: Start isEmpty. Operand 1119 states and 1384 transitions. [2018-12-09 17:27:09,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2018-12-09 17:27:09,730 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 17:27:09,747 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 17:27:09,770 INFO L134 CoverageAnalysis]: Checked inductivity of 124 backedges. 107 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-12-09 17:27:09,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 17:27:09,933 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1387 states to 1122 states and 1387 transitions. [2018-12-09 17:27:09,933 INFO L276 IsEmpty]: Start isEmpty. Operand 1122 states and 1387 transitions. [2018-12-09 17:27:09,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2018-12-09 17:27:09,934 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 17:27:09,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 17:27:10,035 INFO L134 CoverageAnalysis]: Checked inductivity of 165 backedges. 121 proven. 0 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2018-12-09 17:27:10,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 17:27:10,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1394 states to 1127 states and 1394 transitions. [2018-12-09 17:27:10,343 INFO L276 IsEmpty]: Start isEmpty. Operand 1127 states and 1394 transitions. [2018-12-09 17:27:10,344 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2018-12-09 17:27:10,344 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 17:27:10,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 17:27:10,412 INFO L134 CoverageAnalysis]: Checked inductivity of 157 backedges. 107 proven. 50 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 17:27:10,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 17:27:10,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1401 states to 1132 states and 1401 transitions. [2018-12-09 17:27:10,475 INFO L276 IsEmpty]: Start isEmpty. Operand 1132 states and 1401 transitions. [2018-12-09 17:27:10,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2018-12-09 17:27:10,476 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 17:27:10,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 17:27:10,886 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 150 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 17:27:12,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 17:27:12,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1411 states to 1141 states and 1411 transitions. [2018-12-09 17:27:12,047 INFO L276 IsEmpty]: Start isEmpty. Operand 1141 states and 1411 transitions. [2018-12-09 17:27:12,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2018-12-09 17:27:12,048 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 17:27:12,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 17:27:12,309 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 150 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 17:27:13,745 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 17:27:13,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1432 states to 1160 states and 1432 transitions. [2018-12-09 17:27:13,746 INFO L276 IsEmpty]: Start isEmpty. Operand 1160 states and 1432 transitions. [2018-12-09 17:27:13,747 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2018-12-09 17:27:13,747 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 17:27:13,755 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 17:27:14,000 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 150 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 17:27:14,851 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 17:27:14,852 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1438 states to 1167 states and 1438 transitions. [2018-12-09 17:27:14,852 INFO L276 IsEmpty]: Start isEmpty. Operand 1167 states and 1438 transitions. [2018-12-09 17:27:14,853 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2018-12-09 17:27:14,853 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 17:27:14,861 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 17:27:15,102 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 150 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-09 17:27:15,398 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 17:27:15,399 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1439 states to 1168 states and 1439 transitions. [2018-12-09 17:27:15,399 INFO L276 IsEmpty]: Start isEmpty. Operand 1168 states and 1439 transitions. [2018-12-09 17:27:15,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2018-12-09 17:27:15,400 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 17:27:15,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 17:27:15,849 INFO L134 CoverageAnalysis]: Checked inductivity of 176 backedges. 151 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-12-09 17:27:17,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 17:27:17,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1457 states to 1186 states and 1457 transitions. [2018-12-09 17:27:17,585 INFO L276 IsEmpty]: Start isEmpty. Operand 1186 states and 1457 transitions. [2018-12-09 17:27:17,586 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2018-12-09 17:27:17,586 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 17:27:17,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 17:27:17,738 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 98 proven. 4 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2018-12-09 17:27:18,428 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 17:27:18,429 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1530 states to 1256 states and 1530 transitions. [2018-12-09 17:27:18,429 INFO L276 IsEmpty]: Start isEmpty. Operand 1256 states and 1530 transitions. [2018-12-09 17:27:18,430 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2018-12-09 17:27:18,430 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 17:27:18,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 17:27:18,466 INFO L134 CoverageAnalysis]: Checked inductivity of 189 backedges. 152 proven. 0 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2018-12-09 17:27:18,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 17:27:18,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1546 states to 1269 states and 1546 transitions. [2018-12-09 17:27:18,969 INFO L276 IsEmpty]: Start isEmpty. Operand 1269 states and 1546 transitions. [2018-12-09 17:27:18,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2018-12-09 17:27:18,970 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 17:27:18,980 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 17:27:20,282 INFO L134 CoverageAnalysis]: Checked inductivity of 165 backedges. 139 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2018-12-09 17:27:23,066 WARN L180 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 39 [2018-12-09 17:27:27,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 17:27:27,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1597 states to 1317 states and 1597 transitions. [2018-12-09 17:27:27,572 INFO L276 IsEmpty]: Start isEmpty. Operand 1317 states and 1597 transitions. [2018-12-09 17:27:27,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2018-12-09 17:27:27,573 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 17:27:27,581 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 17:27:27,615 INFO L134 CoverageAnalysis]: Checked inductivity of 222 backedges. 185 proven. 0 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2018-12-09 17:27:29,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 17:27:29,059 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1621 states to 1333 states and 1621 transitions. [2018-12-09 17:27:29,059 INFO L276 IsEmpty]: Start isEmpty. Operand 1333 states and 1621 transitions. [2018-12-09 17:27:29,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2018-12-09 17:27:29,060 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 17:27:29,076 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 17:27:29,101 INFO L134 CoverageAnalysis]: Checked inductivity of 208 backedges. 122 proven. 0 refuted. 0 times theorem prover too weak. 86 trivial. 0 not checked. [2018-12-09 17:27:29,675 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 17:27:29,676 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1694 states to 1403 states and 1694 transitions. [2018-12-09 17:27:29,676 INFO L276 IsEmpty]: Start isEmpty. Operand 1403 states and 1694 transitions. [2018-12-09 17:27:29,677 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2018-12-09 17:27:29,677 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 17:27:29,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 17:27:29,718 INFO L134 CoverageAnalysis]: Checked inductivity of 275 backedges. 176 proven. 0 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2018-12-09 17:27:34,811 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 17:27:34,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1734 states to 1432 states and 1734 transitions. [2018-12-09 17:27:34,813 INFO L276 IsEmpty]: Start isEmpty. Operand 1432 states and 1734 transitions. [2018-12-09 17:27:34,815 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2018-12-09 17:27:34,815 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 17:27:34,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 17:27:34,865 INFO L134 CoverageAnalysis]: Checked inductivity of 275 backedges. 176 proven. 0 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2018-12-09 17:27:37,101 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 17:27:37,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1757 states to 1453 states and 1757 transitions. [2018-12-09 17:27:37,102 INFO L276 IsEmpty]: Start isEmpty. Operand 1453 states and 1757 transitions. [2018-12-09 17:27:37,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2018-12-09 17:27:37,103 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 17:27:37,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 17:27:37,145 INFO L134 CoverageAnalysis]: Checked inductivity of 275 backedges. 176 proven. 0 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2018-12-09 17:27:38,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 17:27:38,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1760 states to 1455 states and 1760 transitions. [2018-12-09 17:27:38,348 INFO L276 IsEmpty]: Start isEmpty. Operand 1455 states and 1760 transitions. [2018-12-09 17:27:38,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2018-12-09 17:27:38,350 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 17:27:38,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 17:27:38,395 INFO L134 CoverageAnalysis]: Checked inductivity of 275 backedges. 176 proven. 0 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2018-12-09 17:27:38,946 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 17:27:38,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1765 states to 1460 states and 1765 transitions. [2018-12-09 17:27:38,948 INFO L276 IsEmpty]: Start isEmpty. Operand 1460 states and 1765 transitions. [2018-12-09 17:27:38,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 239 [2018-12-09 17:27:38,950 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 17:27:38,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 17:27:39,998 INFO L134 CoverageAnalysis]: Checked inductivity of 346 backedges. 256 proven. 20 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2018-12-09 17:27:44,257 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 17:27:44,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1806 states to 1490 states and 1806 transitions. [2018-12-09 17:27:44,258 INFO L276 IsEmpty]: Start isEmpty. Operand 1490 states and 1806 transitions. [2018-12-09 17:27:44,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 239 [2018-12-09 17:27:44,259 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 17:27:44,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 17:27:44,327 INFO L134 CoverageAnalysis]: Checked inductivity of 346 backedges. 256 proven. 20 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2018-12-09 17:27:45,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 17:27:45,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1809 states to 1492 states and 1809 transitions. [2018-12-09 17:27:45,289 INFO L276 IsEmpty]: Start isEmpty. Operand 1492 states and 1809 transitions. [2018-12-09 17:27:45,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 245 [2018-12-09 17:27:45,292 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 17:27:45,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 17:27:45,774 INFO L134 CoverageAnalysis]: Checked inductivity of 355 backedges. 272 proven. 13 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2018-12-09 17:27:49,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 17:27:49,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1827 states to 1505 states and 1827 transitions. [2018-12-09 17:27:49,013 INFO L276 IsEmpty]: Start isEmpty. Operand 1505 states and 1827 transitions. [2018-12-09 17:27:49,014 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 245 [2018-12-09 17:27:49,014 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 17:27:49,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 17:27:49,101 INFO L134 CoverageAnalysis]: Checked inductivity of 355 backedges. 272 proven. 13 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2018-12-09 17:27:49,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 17:27:49,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1832 states to 1510 states and 1832 transitions. [2018-12-09 17:27:49,539 INFO L276 IsEmpty]: Start isEmpty. Operand 1510 states and 1832 transitions. [2018-12-09 17:27:49,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 245 [2018-12-09 17:27:49,540 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 17:27:49,549 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 17:27:49,623 INFO L134 CoverageAnalysis]: Checked inductivity of 355 backedges. 272 proven. 13 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2018-12-09 17:27:51,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 17:27:51,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1851 states to 1530 states and 1851 transitions. [2018-12-09 17:27:51,036 INFO L276 IsEmpty]: Start isEmpty. Operand 1530 states and 1851 transitions. [2018-12-09 17:27:51,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 247 [2018-12-09 17:27:51,037 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 17:27:51,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 17:27:51,112 INFO L134 CoverageAnalysis]: Checked inductivity of 328 backedges. 147 proven. 8 refuted. 0 times theorem prover too weak. 173 trivial. 0 not checked. [2018-12-09 17:27:52,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 17:27:52,018 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1859 states to 1534 states and 1859 transitions. [2018-12-09 17:27:52,019 INFO L276 IsEmpty]: Start isEmpty. Operand 1534 states and 1859 transitions. [2018-12-09 17:27:52,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 262 [2018-12-09 17:27:52,020 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 17:27:52,032 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 17:27:52,457 INFO L134 CoverageAnalysis]: Checked inductivity of 358 backedges. 247 proven. 41 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2018-12-09 17:27:59,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 17:27:59,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1905 states to 1573 states and 1905 transitions. [2018-12-09 17:27:59,522 INFO L276 IsEmpty]: Start isEmpty. Operand 1573 states and 1905 transitions. [2018-12-09 17:27:59,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 263 [2018-12-09 17:27:59,525 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 17:27:59,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 17:28:00,285 INFO L134 CoverageAnalysis]: Checked inductivity of 465 backedges. 356 proven. 39 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2018-12-09 17:28:03,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 17:28:03,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1925 states to 1592 states and 1925 transitions. [2018-12-09 17:28:03,949 INFO L276 IsEmpty]: Start isEmpty. Operand 1592 states and 1925 transitions. [2018-12-09 17:28:03,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 266 [2018-12-09 17:28:03,950 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 17:28:03,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 17:28:04,420 INFO L134 CoverageAnalysis]: Checked inductivity of 400 backedges. 313 proven. 0 refuted. 0 times theorem prover too weak. 87 trivial. 0 not checked. [2018-12-09 17:28:14,158 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 17:28:14,159 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2059 states to 1703 states and 2059 transitions. [2018-12-09 17:28:14,159 INFO L276 IsEmpty]: Start isEmpty. Operand 1703 states and 2059 transitions. [2018-12-09 17:28:14,161 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 269 [2018-12-09 17:28:14,161 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 17:28:14,185 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 17:28:15,503 INFO L134 CoverageAnalysis]: Checked inductivity of 413 backedges. 320 proven. 0 refuted. 0 times theorem prover too weak. 93 trivial. 0 not checked. [2018-12-09 17:28:31,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 17:28:31,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2154 states to 1789 states and 2154 transitions. [2018-12-09 17:28:31,626 INFO L276 IsEmpty]: Start isEmpty. Operand 1789 states and 2154 transitions. [2018-12-09 17:28:31,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 269 [2018-12-09 17:28:31,627 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 17:28:31,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 17:28:31,748 INFO L134 CoverageAnalysis]: Checked inductivity of 413 backedges. 320 proven. 0 refuted. 0 times theorem prover too weak. 93 trivial. 0 not checked. [2018-12-09 17:28:34,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 17:28:34,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2176 states to 1813 states and 2176 transitions. [2018-12-09 17:28:34,298 INFO L276 IsEmpty]: Start isEmpty. Operand 1813 states and 2176 transitions. [2018-12-09 17:28:34,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 269 [2018-12-09 17:28:34,299 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 17:28:34,312 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 17:28:34,454 INFO L134 CoverageAnalysis]: Checked inductivity of 413 backedges. 320 proven. 0 refuted. 0 times theorem prover too weak. 93 trivial. 0 not checked. [2018-12-09 17:28:36,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 17:28:36,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2200 states to 1837 states and 2200 transitions. [2018-12-09 17:28:36,724 INFO L276 IsEmpty]: Start isEmpty. Operand 1837 states and 2200 transitions. [2018-12-09 17:28:36,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 271 [2018-12-09 17:28:36,726 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 17:28:36,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 17:28:38,637 INFO L134 CoverageAnalysis]: Checked inductivity of 385 backedges. 307 proven. 0 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2018-12-09 17:28:39,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 17:28:39,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2201 states to 1838 states and 2201 transitions. [2018-12-09 17:28:39,461 INFO L276 IsEmpty]: Start isEmpty. Operand 1838 states and 2201 transitions. [2018-12-09 17:28:39,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 271 [2018-12-09 17:28:39,462 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 17:28:39,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 17:28:40,104 INFO L134 CoverageAnalysis]: Checked inductivity of 382 backedges. 312 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2018-12-09 17:28:45,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 17:28:45,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2241 states to 1873 states and 2241 transitions. [2018-12-09 17:28:45,775 INFO L276 IsEmpty]: Start isEmpty. Operand 1873 states and 2241 transitions. [2018-12-09 17:28:45,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 271 [2018-12-09 17:28:45,776 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 17:28:45,793 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 17:28:45,908 INFO L134 CoverageAnalysis]: Checked inductivity of 382 backedges. 312 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2018-12-09 17:28:51,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 17:28:51,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2283 states to 1914 states and 2283 transitions. [2018-12-09 17:28:51,958 INFO L276 IsEmpty]: Start isEmpty. Operand 1914 states and 2283 transitions. [2018-12-09 17:28:51,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 271 [2018-12-09 17:28:51,959 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 17:28:51,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 17:28:52,087 INFO L134 CoverageAnalysis]: Checked inductivity of 382 backedges. 312 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2018-12-09 17:28:52,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 17:28:52,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2287 states to 1919 states and 2287 transitions. [2018-12-09 17:28:52,575 INFO L276 IsEmpty]: Start isEmpty. Operand 1919 states and 2287 transitions. [2018-12-09 17:28:52,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 278 [2018-12-09 17:28:52,576 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 17:28:52,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 17:28:56,167 INFO L134 CoverageAnalysis]: Checked inductivity of 431 backedges. 339 proven. 0 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2018-12-09 17:29:02,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 17:29:02,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2322 states to 1951 states and 2322 transitions. [2018-12-09 17:29:02,864 INFO L276 IsEmpty]: Start isEmpty. Operand 1951 states and 2322 transitions. [2018-12-09 17:29:02,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 278 [2018-12-09 17:29:02,865 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 17:29:02,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 17:29:03,035 INFO L134 CoverageAnalysis]: Checked inductivity of 431 backedges. 339 proven. 0 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2018-12-09 17:29:03,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 17:29:03,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2323 states to 1953 states and 2323 transitions. [2018-12-09 17:29:03,468 INFO L276 IsEmpty]: Start isEmpty. Operand 1953 states and 2323 transitions. [2018-12-09 17:29:03,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 279 [2018-12-09 17:29:03,470 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 17:29:03,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 17:29:04,302 INFO L134 CoverageAnalysis]: Checked inductivity of 445 backedges. 333 proven. 42 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2018-12-09 17:29:11,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 17:29:11,795 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2364 states to 1978 states and 2364 transitions. [2018-12-09 17:29:11,795 INFO L276 IsEmpty]: Start isEmpty. Operand 1978 states and 2364 transitions. [2018-12-09 17:29:11,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 279 [2018-12-09 17:29:11,798 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 17:29:11,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 17:29:11,947 INFO L134 CoverageAnalysis]: Checked inductivity of 445 backedges. 333 proven. 42 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2018-12-09 17:29:14,275 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 17:29:14,277 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2366 states to 1980 states and 2366 transitions. [2018-12-09 17:29:14,277 INFO L276 IsEmpty]: Start isEmpty. Operand 1980 states and 2366 transitions. [2018-12-09 17:29:14,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 279 [2018-12-09 17:29:14,280 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 17:29:14,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 17:29:14,386 INFO L134 CoverageAnalysis]: Checked inductivity of 445 backedges. 333 proven. 42 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2018-12-09 17:29:17,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 17:29:17,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2386 states to 1999 states and 2386 transitions. [2018-12-09 17:29:17,250 INFO L276 IsEmpty]: Start isEmpty. Operand 1999 states and 2386 transitions. [2018-12-09 17:29:17,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 279 [2018-12-09 17:29:17,253 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 17:29:17,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 17:29:17,398 INFO L134 CoverageAnalysis]: Checked inductivity of 445 backedges. 333 proven. 42 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2018-12-09 17:29:18,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 17:29:18,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2391 states to 2004 states and 2391 transitions. [2018-12-09 17:29:18,134 INFO L276 IsEmpty]: Start isEmpty. Operand 2004 states and 2391 transitions. [2018-12-09 17:29:18,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 281 [2018-12-09 17:29:18,135 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 17:29:18,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 17:29:19,929 INFO L134 CoverageAnalysis]: Checked inductivity of 443 backedges. 339 proven. 0 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2018-12-09 17:29:31,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 17:29:31,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2415 states to 2025 states and 2415 transitions. [2018-12-09 17:29:31,355 INFO L276 IsEmpty]: Start isEmpty. Operand 2025 states and 2415 transitions. [2018-12-09 17:29:31,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 281 [2018-12-09 17:29:31,358 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 17:29:31,372 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 17:29:31,488 INFO L134 CoverageAnalysis]: Checked inductivity of 443 backedges. 339 proven. 0 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2018-12-09 17:29:32,441 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 17:29:32,442 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2416 states to 2027 states and 2416 transitions. [2018-12-09 17:29:32,442 INFO L276 IsEmpty]: Start isEmpty. Operand 2027 states and 2416 transitions. [2018-12-09 17:29:32,443 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 281 [2018-12-09 17:29:32,443 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 17:29:32,453 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 17:29:32,568 INFO L134 CoverageAnalysis]: Checked inductivity of 443 backedges. 339 proven. 0 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2018-12-09 17:29:41,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 17:29:41,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2453 states to 2064 states and 2453 transitions. [2018-12-09 17:29:41,324 INFO L276 IsEmpty]: Start isEmpty. Operand 2064 states and 2453 transitions. [2018-12-09 17:29:41,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 281 [2018-12-09 17:29:41,326 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 17:29:41,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 17:29:41,457 INFO L134 CoverageAnalysis]: Checked inductivity of 443 backedges. 339 proven. 0 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2018-12-09 17:29:42,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 17:29:42,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2457 states to 2069 states and 2457 transitions. [2018-12-09 17:29:42,113 INFO L276 IsEmpty]: Start isEmpty. Operand 2069 states and 2457 transitions. [2018-12-09 17:29:42,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 284 [2018-12-09 17:29:42,114 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 17:29:42,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 17:29:43,653 INFO L134 CoverageAnalysis]: Checked inductivity of 449 backedges. 345 proven. 0 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2018-12-09 17:29:53,801 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 17:29:53,802 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2500 states to 2112 states and 2500 transitions. [2018-12-09 17:29:53,802 INFO L276 IsEmpty]: Start isEmpty. Operand 2112 states and 2500 transitions. [2018-12-09 17:29:53,803 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 284 [2018-12-09 17:29:53,803 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 17:29:53,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 17:29:53,933 INFO L134 CoverageAnalysis]: Checked inductivity of 449 backedges. 345 proven. 0 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2018-12-09 17:29:57,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 17:29:57,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2509 states to 2123 states and 2509 transitions. [2018-12-09 17:29:57,461 INFO L276 IsEmpty]: Start isEmpty. Operand 2123 states and 2509 transitions. [2018-12-09 17:29:57,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 287 [2018-12-09 17:29:57,463 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 17:29:57,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 17:29:57,954 INFO L134 CoverageAnalysis]: Checked inductivity of 471 backedges. 355 proven. 0 refuted. 0 times theorem prover too weak. 116 trivial. 0 not checked. [2018-12-09 17:30:11,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 17:30:11,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2593 states to 2180 states and 2593 transitions. [2018-12-09 17:30:11,528 INFO L276 IsEmpty]: Start isEmpty. Operand 2180 states and 2593 transitions. [2018-12-09 17:30:11,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 287 [2018-12-09 17:30:11,530 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 17:30:11,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 17:30:11,649 INFO L134 CoverageAnalysis]: Checked inductivity of 471 backedges. 355 proven. 0 refuted. 0 times theorem prover too weak. 116 trivial. 0 not checked. [2018-12-09 17:30:18,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 17:30:18,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2676 states to 2255 states and 2676 transitions. [2018-12-09 17:30:18,049 INFO L276 IsEmpty]: Start isEmpty. Operand 2255 states and 2676 transitions. [2018-12-09 17:30:18,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 287 [2018-12-09 17:30:18,050 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 17:30:18,063 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 17:30:18,159 INFO L134 CoverageAnalysis]: Checked inductivity of 471 backedges. 355 proven. 0 refuted. 0 times theorem prover too weak. 116 trivial. 0 not checked. [2018-12-09 17:30:18,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 17:30:18,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2687 states to 2266 states and 2687 transitions. [2018-12-09 17:30:18,963 INFO L276 IsEmpty]: Start isEmpty. Operand 2266 states and 2687 transitions. [2018-12-09 17:30:18,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 287 [2018-12-09 17:30:18,964 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 17:30:18,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 17:30:19,074 INFO L134 CoverageAnalysis]: Checked inductivity of 471 backedges. 355 proven. 0 refuted. 0 times theorem prover too weak. 116 trivial. 0 not checked. [2018-12-09 17:30:19,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 17:30:19,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2693 states to 2269 states and 2693 transitions. [2018-12-09 17:30:19,958 INFO L276 IsEmpty]: Start isEmpty. Operand 2269 states and 2693 transitions. [2018-12-09 17:30:19,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 287 [2018-12-09 17:30:19,959 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 17:30:19,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 17:30:20,201 INFO L134 CoverageAnalysis]: Checked inductivity of 430 backedges. 342 proven. 5 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2018-12-09 17:30:20,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 17:30:20,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2695 states to 2271 states and 2695 transitions. [2018-12-09 17:30:20,535 INFO L276 IsEmpty]: Start isEmpty. Operand 2271 states and 2695 transitions. [2018-12-09 17:30:20,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 294 [2018-12-09 17:30:20,536 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 17:30:20,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 17:30:22,585 INFO L134 CoverageAnalysis]: Checked inductivity of 532 backedges. 430 proven. 0 refuted. 0 times theorem prover too weak. 102 trivial. 0 not checked. [2018-12-09 17:30:28,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 17:30:28,075 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2712 states to 2284 states and 2712 transitions. [2018-12-09 17:30:28,075 INFO L276 IsEmpty]: Start isEmpty. Operand 2284 states and 2712 transitions. [2018-12-09 17:30:28,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 294 [2018-12-09 17:30:28,076 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 17:30:28,094 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 17:30:28,224 INFO L134 CoverageAnalysis]: Checked inductivity of 532 backedges. 430 proven. 0 refuted. 0 times theorem prover too weak. 102 trivial. 0 not checked. [2018-12-09 17:30:32,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 17:30:32,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2761 states to 2328 states and 2761 transitions. [2018-12-09 17:30:32,692 INFO L276 IsEmpty]: Start isEmpty. Operand 2328 states and 2761 transitions. [2018-12-09 17:30:32,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 294 [2018-12-09 17:30:32,694 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 17:30:32,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 17:30:32,908 INFO L134 CoverageAnalysis]: Checked inductivity of 532 backedges. 430 proven. 0 refuted. 0 times theorem prover too weak. 102 trivial. 0 not checked. [2018-12-09 17:30:33,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 17:30:33,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2764 states to 2332 states and 2764 transitions. [2018-12-09 17:30:33,878 INFO L276 IsEmpty]: Start isEmpty. Operand 2332 states and 2764 transitions. [2018-12-09 17:30:33,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 302 [2018-12-09 17:30:33,879 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 17:30:33,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 17:30:34,370 INFO L134 CoverageAnalysis]: Checked inductivity of 550 backedges. 476 proven. 4 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2018-12-09 17:30:40,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 17:30:40,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2791 states to 2357 states and 2791 transitions. [2018-12-09 17:30:40,813 INFO L276 IsEmpty]: Start isEmpty. Operand 2357 states and 2791 transitions. [2018-12-09 17:30:40,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 314 [2018-12-09 17:30:40,814 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 17:30:40,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 17:30:43,752 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 497 proven. 0 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2018-12-09 17:30:46,564 WARN L180 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 44 [2018-12-09 17:30:48,343 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 17:30:48,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2807 states to 2370 states and 2807 transitions. [2018-12-09 17:30:48,345 INFO L276 IsEmpty]: Start isEmpty. Operand 2370 states and 2807 transitions. [2018-12-09 17:30:48,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 314 [2018-12-09 17:30:48,348 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 17:30:48,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 17:30:48,505 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 497 proven. 0 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2018-12-09 17:30:48,835 WARN L180 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 45 [2018-12-09 17:30:55,362 WARN L180 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 45 [2018-12-09 17:30:56,209 WARN L180 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 46 [2018-12-09 17:30:57,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 17:30:57,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2847 states to 2405 states and 2847 transitions. [2018-12-09 17:30:57,391 INFO L276 IsEmpty]: Start isEmpty. Operand 2405 states and 2847 transitions. [2018-12-09 17:30:57,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 318 [2018-12-09 17:30:57,392 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 17:30:57,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 17:30:58,754 INFO L134 CoverageAnalysis]: Checked inductivity of 572 backedges. 495 proven. 4 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2018-12-09 17:31:01,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 17:31:01,515 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2923 states to 2479 states and 2923 transitions. [2018-12-09 17:31:01,515 INFO L276 IsEmpty]: Start isEmpty. Operand 2479 states and 2923 transitions. [2018-12-09 17:31:01,517 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 318 [2018-12-09 17:31:01,517 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 17:31:01,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 17:31:02,147 INFO L134 CoverageAnalysis]: Checked inductivity of 569 backedges. 499 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2018-12-09 17:31:11,418 WARN L180 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 39 [2018-12-09 17:31:13,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 17:31:13,014 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2966 states to 2519 states and 2966 transitions. [2018-12-09 17:31:13,014 INFO L276 IsEmpty]: Start isEmpty. Operand 2519 states and 2966 transitions. [2018-12-09 17:31:13,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 318 [2018-12-09 17:31:13,016 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 17:31:13,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 17:31:13,396 INFO L134 CoverageAnalysis]: Checked inductivity of 569 backedges. 499 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2018-12-09 17:31:14,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 17:31:14,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2970 states to 2523 states and 2970 transitions. [2018-12-09 17:31:14,134 INFO L276 IsEmpty]: Start isEmpty. Operand 2523 states and 2970 transitions. [2018-12-09 17:31:14,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 318 [2018-12-09 17:31:14,135 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 17:31:14,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 17:31:14,478 INFO L134 CoverageAnalysis]: Checked inductivity of 569 backedges. 499 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2018-12-09 17:31:16,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 17:31:16,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2974 states to 2528 states and 2974 transitions. [2018-12-09 17:31:16,420 INFO L276 IsEmpty]: Start isEmpty. Operand 2528 states and 2974 transitions. [2018-12-09 17:31:16,421 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 318 [2018-12-09 17:31:16,421 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 17:31:16,437 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 17:31:16,751 INFO L134 CoverageAnalysis]: Checked inductivity of 569 backedges. 499 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2018-12-09 17:31:17,233 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 17:31:17,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2975 states to 2530 states and 2975 transitions. [2018-12-09 17:31:17,235 INFO L276 IsEmpty]: Start isEmpty. Operand 2530 states and 2975 transitions. [2018-12-09 17:31:17,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 326 [2018-12-09 17:31:17,236 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 17:31:17,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 17:31:17,600 INFO L134 CoverageAnalysis]: Checked inductivity of 599 backedges. 424 proven. 104 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2018-12-09 17:31:29,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 17:31:29,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3044 states to 2589 states and 3044 transitions. [2018-12-09 17:31:29,977 INFO L276 IsEmpty]: Start isEmpty. Operand 2589 states and 3044 transitions. [2018-12-09 17:31:29,979 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 327 [2018-12-09 17:31:29,979 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 17:31:29,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 17:31:31,257 INFO L134 CoverageAnalysis]: Checked inductivity of 613 backedges. 435 proven. 0 refuted. 0 times theorem prover too weak. 178 trivial. 0 not checked. [2018-12-09 17:31:42,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 17:31:42,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3146 states to 2676 states and 3146 transitions. [2018-12-09 17:31:42,462 INFO L276 IsEmpty]: Start isEmpty. Operand 2676 states and 3146 transitions. [2018-12-09 17:31:42,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 327 [2018-12-09 17:31:42,464 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 17:31:42,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 17:31:42,599 INFO L134 CoverageAnalysis]: Checked inductivity of 613 backedges. 435 proven. 0 refuted. 0 times theorem prover too weak. 178 trivial. 0 not checked. [2018-12-09 17:31:53,894 WARN L180 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 50 [2018-12-09 17:31:54,986 WARN L180 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 48 [2018-12-09 17:31:56,363 WARN L180 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 43 [2018-12-09 17:31:57,292 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 17:31:57,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3218 states to 2739 states and 3218 transitions. [2018-12-09 17:31:57,294 INFO L276 IsEmpty]: Start isEmpty. Operand 2739 states and 3218 transitions. [2018-12-09 17:31:57,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 327 [2018-12-09 17:31:57,297 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 17:31:57,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 17:31:57,441 INFO L134 CoverageAnalysis]: Checked inductivity of 613 backedges. 435 proven. 0 refuted. 0 times theorem prover too weak. 178 trivial. 0 not checked. [2018-12-09 17:32:00,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 17:32:00,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3236 states to 2757 states and 3236 transitions. [2018-12-09 17:32:00,627 INFO L276 IsEmpty]: Start isEmpty. Operand 2757 states and 3236 transitions. [2018-12-09 17:32:00,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 327 [2018-12-09 17:32:00,628 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 17:32:00,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 17:32:00,773 INFO L134 CoverageAnalysis]: Checked inductivity of 613 backedges. 435 proven. 0 refuted. 0 times theorem prover too weak. 178 trivial. 0 not checked. [2018-12-09 17:32:01,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 17:32:01,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3236 states to 2758 states and 3236 transitions. [2018-12-09 17:32:01,180 INFO L276 IsEmpty]: Start isEmpty. Operand 2758 states and 3236 transitions. [2018-12-09 17:32:01,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 328 [2018-12-09 17:32:01,181 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 17:32:01,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 17:32:03,831 INFO L134 CoverageAnalysis]: Checked inductivity of 701 backedges. 607 proven. 0 refuted. 0 times theorem prover too weak. 94 trivial. 0 not checked. [2018-12-09 17:32:08,159 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 17:32:08,161 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3244 states to 2764 states and 3244 transitions. [2018-12-09 17:32:08,161 INFO L276 IsEmpty]: Start isEmpty. Operand 2764 states and 3244 transitions. [2018-12-09 17:32:08,162 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 328 [2018-12-09 17:32:08,162 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 17:32:08,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 17:32:08,372 INFO L134 CoverageAnalysis]: Checked inductivity of 701 backedges. 607 proven. 0 refuted. 0 times theorem prover too weak. 94 trivial. 0 not checked. [2018-12-09 17:32:09,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 17:32:09,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3252 states to 2772 states and 3252 transitions. [2018-12-09 17:32:09,991 INFO L276 IsEmpty]: Start isEmpty. Operand 2772 states and 3252 transitions. [2018-12-09 17:32:09,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 328 [2018-12-09 17:32:09,992 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 17:32:10,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 17:32:10,162 INFO L134 CoverageAnalysis]: Checked inductivity of 701 backedges. 607 proven. 0 refuted. 0 times theorem prover too weak. 94 trivial. 0 not checked. [2018-12-09 17:32:10,971 WARN L180 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 49 [2018-12-09 17:32:15,779 WARN L180 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 50 [2018-12-09 17:32:21,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 17:32:21,591 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3306 states to 2827 states and 3306 transitions. [2018-12-09 17:32:21,591 INFO L276 IsEmpty]: Start isEmpty. Operand 2827 states and 3306 transitions. [2018-12-09 17:32:21,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 333 [2018-12-09 17:32:21,593 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 17:32:21,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 17:32:26,994 INFO L134 CoverageAnalysis]: Checked inductivity of 726 backedges. 611 proven. 0 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2018-12-09 17:32:33,602 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 17:32:33,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3321 states to 2839 states and 3321 transitions. [2018-12-09 17:32:33,605 INFO L276 IsEmpty]: Start isEmpty. Operand 2839 states and 3321 transitions. [2018-12-09 17:32:33,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 333 [2018-12-09 17:32:33,607 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 17:32:33,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 17:32:33,820 INFO L134 CoverageAnalysis]: Checked inductivity of 726 backedges. 611 proven. 0 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2018-12-09 17:32:39,371 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 17:32:39,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3341 states to 2858 states and 3341 transitions. [2018-12-09 17:32:39,373 INFO L276 IsEmpty]: Start isEmpty. Operand 2858 states and 3341 transitions. [2018-12-09 17:32:39,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 333 [2018-12-09 17:32:39,375 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 17:32:39,392 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 17:32:39,540 INFO L134 CoverageAnalysis]: Checked inductivity of 726 backedges. 611 proven. 0 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2018-12-09 17:32:40,868 WARN L180 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 56 [2018-12-09 17:32:41,517 WARN L180 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 52 [2018-12-09 17:32:46,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 17:32:46,736 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3360 states to 2878 states and 3360 transitions. [2018-12-09 17:32:46,736 INFO L276 IsEmpty]: Start isEmpty. Operand 2878 states and 3360 transitions. [2018-12-09 17:32:46,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 334 [2018-12-09 17:32:46,739 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 17:32:46,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 17:32:47,128 INFO L134 CoverageAnalysis]: Checked inductivity of 736 backedges. 380 proven. 5 refuted. 0 times theorem prover too weak. 351 trivial. 0 not checked. [2018-12-09 17:32:55,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 17:32:55,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3501 states to 3013 states and 3501 transitions. [2018-12-09 17:32:55,352 INFO L276 IsEmpty]: Start isEmpty. Operand 3013 states and 3501 transitions. [2018-12-09 17:32:55,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 337 [2018-12-09 17:32:55,354 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 17:32:55,376 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 17:32:57,034 INFO L134 CoverageAnalysis]: Checked inductivity of 674 backedges. 179 proven. 401 refuted. 0 times theorem prover too weak. 94 trivial. 0 not checked. [2018-12-09 17:33:01,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 17:33:01,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3651 states to 3154 states and 3651 transitions. [2018-12-09 17:33:01,204 INFO L276 IsEmpty]: Start isEmpty. Operand 3154 states and 3651 transitions. [2018-12-09 17:33:01,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 342 [2018-12-09 17:33:01,206 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 17:33:01,222 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 17:33:02,323 INFO L134 CoverageAnalysis]: Checked inductivity of 689 backedges. 519 proven. 0 refuted. 0 times theorem prover too weak. 170 trivial. 0 not checked. [2018-12-09 17:33:05,601 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 17:33:05,602 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3722 states to 3223 states and 3722 transitions. [2018-12-09 17:33:05,602 INFO L276 IsEmpty]: Start isEmpty. Operand 3223 states and 3722 transitions. [2018-12-09 17:33:05,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 355 [2018-12-09 17:33:05,604 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 17:33:05,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 17:33:05,696 INFO L134 CoverageAnalysis]: Checked inductivity of 836 backedges. 422 proven. 5 refuted. 0 times theorem prover too weak. 409 trivial. 0 not checked. [2018-12-09 17:33:08,972 WARN L180 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 55 [2018-12-09 17:33:12,240 WARN L180 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 50 [2018-12-09 17:33:17,823 WARN L180 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 51 [2018-12-09 17:33:19,609 WARN L180 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 51 [2018-12-09 17:33:23,261 WARN L180 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 51 [2018-12-09 17:33:25,047 WARN L180 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 49 [2018-12-09 17:33:26,576 WARN L180 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 50 [2018-12-09 17:33:29,265 WARN L180 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 57 DAG size of output: 50 [2018-12-09 17:33:32,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 17:33:32,287 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3812 states to 3292 states and 3812 transitions. [2018-12-09 17:33:32,287 INFO L276 IsEmpty]: Start isEmpty. Operand 3292 states and 3812 transitions. [2018-12-09 17:33:32,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 355 [2018-12-09 17:33:32,289 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 17:33:32,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 17:33:32,382 INFO L134 CoverageAnalysis]: Checked inductivity of 836 backedges. 422 proven. 5 refuted. 0 times theorem prover too weak. 409 trivial. 0 not checked. [2018-12-09 17:33:38,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 17:33:38,640 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3849 states to 3327 states and 3849 transitions. [2018-12-09 17:33:38,640 INFO L276 IsEmpty]: Start isEmpty. Operand 3327 states and 3849 transitions. [2018-12-09 17:33:38,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 355 [2018-12-09 17:33:38,642 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 17:33:38,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 17:33:38,764 INFO L134 CoverageAnalysis]: Checked inductivity of 836 backedges. 422 proven. 5 refuted. 0 times theorem prover too weak. 409 trivial. 0 not checked. [2018-12-09 17:33:40,820 WARN L180 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 43 [2018-12-09 17:33:42,684 WARN L180 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 44 [2018-12-09 17:33:48,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 17:33:48,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3890 states to 3363 states and 3890 transitions. [2018-12-09 17:33:48,480 INFO L276 IsEmpty]: Start isEmpty. Operand 3363 states and 3890 transitions. [2018-12-09 17:33:48,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 355 [2018-12-09 17:33:48,482 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 17:33:48,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 17:33:48,577 INFO L134 CoverageAnalysis]: Checked inductivity of 836 backedges. 422 proven. 5 refuted. 0 times theorem prover too weak. 409 trivial. 0 not checked. [2018-12-09 17:33:49,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 17:33:49,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3895 states to 3366 states and 3895 transitions. [2018-12-09 17:33:49,941 INFO L276 IsEmpty]: Start isEmpty. Operand 3366 states and 3895 transitions. [2018-12-09 17:33:49,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 355 [2018-12-09 17:33:49,943 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 17:33:49,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 17:33:50,039 INFO L134 CoverageAnalysis]: Checked inductivity of 836 backedges. 422 proven. 5 refuted. 0 times theorem prover too weak. 409 trivial. 0 not checked. [2018-12-09 17:33:54,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 17:33:54,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3933 states to 3402 states and 3933 transitions. [2018-12-09 17:33:54,707 INFO L276 IsEmpty]: Start isEmpty. Operand 3402 states and 3933 transitions. [2018-12-09 17:33:54,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 355 [2018-12-09 17:33:54,709 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 17:33:54,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 17:33:54,803 INFO L134 CoverageAnalysis]: Checked inductivity of 836 backedges. 422 proven. 5 refuted. 0 times theorem prover too weak. 409 trivial. 0 not checked. [2018-12-09 17:33:55,280 WARN L180 SmtUtils]: Spent 184.00 ms on a formula simplification. DAG size of input: 55 DAG size of output: 52 [2018-12-09 17:33:56,761 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 17:33:56,762 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3935 states to 3405 states and 3935 transitions. [2018-12-09 17:33:56,762 INFO L276 IsEmpty]: Start isEmpty. Operand 3405 states and 3935 transitions. [2018-12-09 17:33:56,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 355 [2018-12-09 17:33:56,764 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 17:33:56,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 17:33:56,856 INFO L134 CoverageAnalysis]: Checked inductivity of 836 backedges. 422 proven. 5 refuted. 0 times theorem prover too weak. 409 trivial. 0 not checked. [2018-12-09 17:33:57,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 17:33:57,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3935 states to 3406 states and 3935 transitions. [2018-12-09 17:33:57,708 INFO L276 IsEmpty]: Start isEmpty. Operand 3406 states and 3935 transitions. [2018-12-09 17:33:57,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 355 [2018-12-09 17:33:57,710 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 17:33:57,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 17:33:57,803 INFO L134 CoverageAnalysis]: Checked inductivity of 836 backedges. 422 proven. 5 refuted. 0 times theorem prover too weak. 409 trivial. 0 not checked. [2018-12-09 17:33:58,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 17:33:58,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3935 states to 3407 states and 3935 transitions. [2018-12-09 17:33:58,975 INFO L276 IsEmpty]: Start isEmpty. Operand 3407 states and 3935 transitions. [2018-12-09 17:33:58,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 378 [2018-12-09 17:33:58,977 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 17:33:58,992 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 17:33:59,713 INFO L134 CoverageAnalysis]: Checked inductivity of 867 backedges. 627 proven. 0 refuted. 0 times theorem prover too weak. 240 trivial. 0 not checked. [2018-12-09 17:34:02,739 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 17:34:02,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4020 states to 3491 states and 4020 transitions. [2018-12-09 17:34:02,741 INFO L276 IsEmpty]: Start isEmpty. Operand 3491 states and 4020 transitions. [2018-12-09 17:34:02,743 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 379 [2018-12-09 17:34:02,743 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 17:34:02,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 17:34:03,468 INFO L134 CoverageAnalysis]: Checked inductivity of 893 backedges. 630 proven. 0 refuted. 0 times theorem prover too weak. 263 trivial. 0 not checked. [2018-12-09 17:34:05,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 17:34:05,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4091 states to 3560 states and 4091 transitions. [2018-12-09 17:34:05,306 INFO L276 IsEmpty]: Start isEmpty. Operand 3560 states and 4091 transitions. [2018-12-09 17:34:05,308 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 405 [2018-12-09 17:34:05,308 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 17:34:05,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 17:34:05,464 INFO L134 CoverageAnalysis]: Checked inductivity of 1067 backedges. 570 proven. 10 refuted. 0 times theorem prover too weak. 487 trivial. 0 not checked. [2018-12-09 17:34:06,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 17:34:06,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4096 states to 3565 states and 4096 transitions. [2018-12-09 17:34:06,417 INFO L276 IsEmpty]: Start isEmpty. Operand 3565 states and 4096 transitions. [2018-12-09 17:34:06,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 405 [2018-12-09 17:34:06,419 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 17:34:06,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 17:34:06,538 INFO L134 CoverageAnalysis]: Checked inductivity of 1067 backedges. 570 proven. 10 refuted. 0 times theorem prover too weak. 487 trivial. 0 not checked. [2018-12-09 17:34:07,024 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 17:34:07,025 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4104 states to 3574 states and 4104 transitions. [2018-12-09 17:34:07,025 INFO L276 IsEmpty]: Start isEmpty. Operand 3574 states and 4104 transitions. [2018-12-09 17:34:07,027 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 405 [2018-12-09 17:34:07,027 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 17:34:07,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 17:34:07,187 INFO L134 CoverageAnalysis]: Checked inductivity of 1067 backedges. 570 proven. 10 refuted. 0 times theorem prover too weak. 487 trivial. 0 not checked. [2018-12-09 17:34:07,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 17:34:07,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4106 states to 3576 states and 4106 transitions. [2018-12-09 17:34:07,779 INFO L276 IsEmpty]: Start isEmpty. Operand 3576 states and 4106 transitions. [2018-12-09 17:34:07,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 405 [2018-12-09 17:34:07,781 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 17:34:07,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 17:34:07,909 INFO L134 CoverageAnalysis]: Checked inductivity of 1067 backedges. 570 proven. 10 refuted. 0 times theorem prover too weak. 487 trivial. 0 not checked. [2018-12-09 17:34:09,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 17:34:09,216 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4124 states to 3595 states and 4124 transitions. [2018-12-09 17:34:09,216 INFO L276 IsEmpty]: Start isEmpty. Operand 3595 states and 4124 transitions. [2018-12-09 17:34:09,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 405 [2018-12-09 17:34:09,218 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 17:34:09,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 17:34:09,341 INFO L134 CoverageAnalysis]: Checked inductivity of 1067 backedges. 570 proven. 10 refuted. 0 times theorem prover too weak. 487 trivial. 0 not checked. [2018-12-09 17:34:09,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 17:34:09,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4132 states to 3604 states and 4132 transitions. [2018-12-09 17:34:09,910 INFO L276 IsEmpty]: Start isEmpty. Operand 3604 states and 4132 transitions. [2018-12-09 17:34:09,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 405 [2018-12-09 17:34:09,912 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 17:34:09,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 17:34:10,042 INFO L134 CoverageAnalysis]: Checked inductivity of 1067 backedges. 570 proven. 10 refuted. 0 times theorem prover too weak. 487 trivial. 0 not checked. [2018-12-09 17:34:11,631 WARN L180 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 48 [2018-12-09 17:34:13,392 WARN L180 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 44 [2018-12-09 17:34:14,230 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 17:34:14,231 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4138 states to 3609 states and 4138 transitions. [2018-12-09 17:34:14,231 INFO L276 IsEmpty]: Start isEmpty. Operand 3609 states and 4138 transitions. [2018-12-09 17:34:14,233 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 405 [2018-12-09 17:34:14,233 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 17:34:14,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 17:34:14,352 INFO L134 CoverageAnalysis]: Checked inductivity of 1067 backedges. 570 proven. 10 refuted. 0 times theorem prover too weak. 487 trivial. 0 not checked. [2018-12-09 17:34:15,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 17:34:15,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4144 states to 3614 states and 4144 transitions. [2018-12-09 17:34:15,689 INFO L276 IsEmpty]: Start isEmpty. Operand 3614 states and 4144 transitions. [2018-12-09 17:34:15,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 406 [2018-12-09 17:34:15,691 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 17:34:15,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 17:34:15,851 INFO L134 CoverageAnalysis]: Checked inductivity of 1002 backedges. 573 proven. 10 refuted. 0 times theorem prover too weak. 419 trivial. 0 not checked. [2018-12-09 17:34:21,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 17:34:21,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4214 states to 3682 states and 4214 transitions. [2018-12-09 17:34:21,860 INFO L276 IsEmpty]: Start isEmpty. Operand 3682 states and 4214 transitions. [2018-12-09 17:34:21,862 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 408 [2018-12-09 17:34:21,862 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 17:34:21,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 17:34:22,461 INFO L134 CoverageAnalysis]: Checked inductivity of 1008 backedges. 267 proven. 511 refuted. 0 times theorem prover too weak. 230 trivial. 0 not checked. [2018-12-09 17:34:22,814 WARN L180 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 54 DAG size of output: 43 [2018-12-09 17:34:23,123 WARN L180 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 41 [2018-12-09 17:34:28,759 WARN L180 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 41 [2018-12-09 17:34:30,969 WARN L180 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 41 [2018-12-09 17:34:44,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 17:34:44,760 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4265 states to 3728 states and 4265 transitions. [2018-12-09 17:34:44,760 INFO L276 IsEmpty]: Start isEmpty. Operand 3728 states and 4265 transitions. [2018-12-09 17:34:44,762 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 408 [2018-12-09 17:34:44,762 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 17:34:44,782 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 17:34:45,471 INFO L134 CoverageAnalysis]: Checked inductivity of 1008 backedges. 267 proven. 511 refuted. 0 times theorem prover too weak. 230 trivial. 0 not checked. [2018-12-09 17:34:46,076 WARN L180 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 42 [2018-12-09 17:34:57,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 17:34:57,577 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4291 states to 3755 states and 4291 transitions. [2018-12-09 17:34:57,577 INFO L276 IsEmpty]: Start isEmpty. Operand 3755 states and 4291 transitions. [2018-12-09 17:34:57,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 408 [2018-12-09 17:34:57,579 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 17:34:57,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 17:34:58,133 INFO L134 CoverageAnalysis]: Checked inductivity of 1008 backedges. 267 proven. 511 refuted. 0 times theorem prover too weak. 230 trivial. 0 not checked. [2018-12-09 17:35:03,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 17:35:03,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4321 states to 3784 states and 4321 transitions. [2018-12-09 17:35:03,250 INFO L276 IsEmpty]: Start isEmpty. Operand 3784 states and 4321 transitions. [2018-12-09 17:35:03,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 408 [2018-12-09 17:35:03,252 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 17:35:03,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 17:35:03,697 INFO L134 CoverageAnalysis]: Checked inductivity of 1008 backedges. 267 proven. 511 refuted. 0 times theorem prover too weak. 230 trivial. 0 not checked. [2018-12-09 17:35:07,382 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 17:35:07,384 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4344 states to 3807 states and 4344 transitions. [2018-12-09 17:35:07,384 INFO L276 IsEmpty]: Start isEmpty. Operand 3807 states and 4344 transitions. [2018-12-09 17:35:07,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 408 [2018-12-09 17:35:07,386 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 17:35:07,405 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 17:35:07,844 INFO L134 CoverageAnalysis]: Checked inductivity of 1008 backedges. 267 proven. 511 refuted. 0 times theorem prover too weak. 230 trivial. 0 not checked. [2018-12-09 17:35:09,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 17:35:09,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4372 states to 3835 states and 4372 transitions. [2018-12-09 17:35:09,550 INFO L276 IsEmpty]: Start isEmpty. Operand 3835 states and 4372 transitions. [2018-12-09 17:35:09,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 408 [2018-12-09 17:35:09,552 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 17:35:09,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 17:35:10,028 INFO L134 CoverageAnalysis]: Checked inductivity of 1008 backedges. 267 proven. 511 refuted. 0 times theorem prover too weak. 230 trivial. 0 not checked. [2018-12-09 17:35:11,829 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 17:35:11,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4374 states to 3838 states and 4374 transitions. [2018-12-09 17:35:11,830 INFO L276 IsEmpty]: Start isEmpty. Operand 3838 states and 4374 transitions. [2018-12-09 17:35:11,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 408 [2018-12-09 17:35:11,833 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 17:35:11,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 17:35:12,278 INFO L134 CoverageAnalysis]: Checked inductivity of 1008 backedges. 267 proven. 511 refuted. 0 times theorem prover too weak. 230 trivial. 0 not checked. [2018-12-09 17:35:13,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 17:35:13,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4385 states to 3849 states and 4385 transitions. [2018-12-09 17:35:13,431 INFO L276 IsEmpty]: Start isEmpty. Operand 3849 states and 4385 transitions. [2018-12-09 17:35:13,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 408 [2018-12-09 17:35:13,433 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 17:35:13,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 17:35:13,976 INFO L134 CoverageAnalysis]: Checked inductivity of 1008 backedges. 267 proven. 511 refuted. 0 times theorem prover too weak. 230 trivial. 0 not checked. [2018-12-09 17:35:15,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 17:35:15,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4390 states to 3854 states and 4390 transitions. [2018-12-09 17:35:15,690 INFO L276 IsEmpty]: Start isEmpty. Operand 3854 states and 4390 transitions. [2018-12-09 17:35:15,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 477 [2018-12-09 17:35:15,692 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 17:35:15,715 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 17:35:15,858 INFO L134 CoverageAnalysis]: Checked inductivity of 1405 backedges. 764 proven. 15 refuted. 0 times theorem prover too weak. 626 trivial. 0 not checked. [2018-12-09 17:35:17,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 17:35:17,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4395 states to 3859 states and 4395 transitions. [2018-12-09 17:35:17,234 INFO L276 IsEmpty]: Start isEmpty. Operand 3859 states and 4395 transitions. [2018-12-09 17:35:17,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 479 [2018-12-09 17:35:17,236 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 17:35:17,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 17:35:18,087 INFO L134 CoverageAnalysis]: Checked inductivity of 1413 backedges. 355 proven. 621 refuted. 0 times theorem prover too weak. 437 trivial. 0 not checked. [2018-12-09 17:35:19,649 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 17:35:19,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4397 states to 3860 states and 4397 transitions. [2018-12-09 17:35:19,651 INFO L276 IsEmpty]: Start isEmpty. Operand 3860 states and 4397 transitions. [2018-12-09 17:35:19,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 550 [2018-12-09 17:35:19,654 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 17:35:19,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 17:35:21,151 INFO L134 CoverageAnalysis]: Checked inductivity of 1889 backedges. 1366 proven. 0 refuted. 0 times theorem prover too weak. 523 trivial. 0 not checked. [2018-12-09 17:35:23,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 17:35:23,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4468 states to 3929 states and 4468 transitions. [2018-12-09 17:35:23,448 INFO L276 IsEmpty]: Start isEmpty. Operand 3929 states and 4468 transitions. [2018-12-09 17:35:23,452 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 618 [2018-12-09 17:35:23,452 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 17:35:23,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 17:35:24,754 INFO L134 CoverageAnalysis]: Checked inductivity of 2486 backedges. 1653 proven. 0 refuted. 0 times theorem prover too weak. 833 trivial. 0 not checked. [2018-12-09 17:35:27,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 17:35:27,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4539 states to 3998 states and 4539 transitions. [2018-12-09 17:35:27,896 INFO L276 IsEmpty]: Start isEmpty. Operand 3998 states and 4539 transitions. [2018-12-09 17:35:27,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 639 [2018-12-09 17:35:27,899 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 17:35:27,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 17:35:29,237 INFO L134 CoverageAnalysis]: Checked inductivity of 2670 backedges. 1821 proven. 0 refuted. 0 times theorem prover too weak. 849 trivial. 0 not checked. [2018-12-09 17:35:36,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 17:35:36,056 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4592 states to 4048 states and 4592 transitions. [2018-12-09 17:35:36,056 INFO L276 IsEmpty]: Start isEmpty. Operand 4048 states and 4592 transitions. [2018-12-09 17:35:36,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 639 [2018-12-09 17:35:36,059 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 17:35:36,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 17:35:36,400 INFO L134 CoverageAnalysis]: Checked inductivity of 2670 backedges. 1821 proven. 0 refuted. 0 times theorem prover too weak. 849 trivial. 0 not checked. [2018-12-09 17:35:37,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 17:35:37,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4610 states to 4067 states and 4610 transitions. [2018-12-09 17:35:37,734 INFO L276 IsEmpty]: Start isEmpty. Operand 4067 states and 4610 transitions. [2018-12-09 17:35:37,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 690 [2018-12-09 17:35:37,737 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-09 17:35:37,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-09 17:35:40,090 INFO L134 CoverageAnalysis]: Checked inductivity of 3040 backedges. 1876 proven. 0 refuted. 0 times theorem prover too weak. 1164 trivial. 0 not checked. [2018-12-09 17:35:44,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-09 17:35:44,516 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3303 states to 2901 states and 3303 transitions. [2018-12-09 17:35:44,517 INFO L276 IsEmpty]: Start isEmpty. Operand 2901 states and 3303 transitions. [2018-12-09 17:35:44,518 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-09 17:35:44,518 WARN L428 CodeCheckObserver]: This Program is SAFE, Check terminated with 174 iterations. [2018-12-09 17:35:44,524 INFO L779 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-12-09 17:35:44,796 WARN L180 SmtUtils]: Spent 268.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 59 [2018-12-09 17:35:45,035 WARN L180 SmtUtils]: Spent 238.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 59 [2018-12-09 17:35:45,499 WARN L180 SmtUtils]: Spent 463.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 64 [2018-12-09 17:35:45,743 WARN L180 SmtUtils]: Spent 243.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 59 [2018-12-09 17:35:46,260 WARN L180 SmtUtils]: Spent 516.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 66 [2018-12-09 17:35:46,405 WARN L180 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 44 [2018-12-09 17:35:46,907 WARN L180 SmtUtils]: Spent 501.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 66 [2018-12-09 17:35:47,262 WARN L180 SmtUtils]: Spent 354.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 51 [2018-12-09 17:35:47,661 WARN L180 SmtUtils]: Spent 398.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 55 [2018-12-09 17:35:48,200 WARN L180 SmtUtils]: Spent 504.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 64 [2018-12-09 17:35:48,388 WARN L180 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 50 [2018-12-09 17:35:48,579 WARN L180 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 50 [2018-12-09 17:35:48,893 WARN L180 SmtUtils]: Spent 313.00 ms on a formula simplification. DAG size of input: 101 DAG size of output: 51 [2018-12-09 17:35:49,513 WARN L180 SmtUtils]: Spent 619.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 67 [2018-12-09 17:35:49,949 WARN L180 SmtUtils]: Spent 435.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 53 [2018-12-09 17:35:50,115 WARN L180 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 50 [2018-12-09 17:35:50,471 WARN L180 SmtUtils]: Spent 355.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 53 [2018-12-09 17:35:50,866 WARN L180 SmtUtils]: Spent 394.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 55 [2018-12-09 17:35:51,052 WARN L180 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 50 [2018-12-09 17:35:51,200 WARN L180 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 43 [2018-12-09 17:35:51,732 WARN L180 SmtUtils]: Spent 531.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 69 [2018-12-09 17:35:51,869 WARN L180 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 44 [2018-12-09 17:35:52,042 WARN L180 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 50 [2018-12-09 17:35:52,629 WARN L180 SmtUtils]: Spent 586.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 65 [2018-12-09 17:35:52,948 WARN L180 SmtUtils]: Spent 318.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 59 [2018-12-09 17:35:53,633 WARN L180 SmtUtils]: Spent 684.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 65 [2018-12-09 17:35:54,705 WARN L180 SmtUtils]: Spent 1.07 s on a formula simplification. DAG size of input: 148 DAG size of output: 70 [2018-12-09 17:35:55,090 WARN L180 SmtUtils]: Spent 384.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 50 [2018-12-09 17:35:55,639 WARN L180 SmtUtils]: Spent 548.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 59 [2018-12-09 17:35:56,159 WARN L180 SmtUtils]: Spent 519.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 56 [2018-12-09 17:35:56,680 WARN L180 SmtUtils]: Spent 520.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 56 [2018-12-09 17:35:57,088 WARN L180 SmtUtils]: Spent 407.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 52 [2018-12-09 17:35:57,574 WARN L180 SmtUtils]: Spent 485.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 59 [2018-12-09 17:35:57,731 WARN L180 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 50 [2018-12-09 17:35:57,962 WARN L180 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 57 [2018-12-09 17:35:58,187 WARN L180 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 56 [2018-12-09 17:35:58,374 WARN L180 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 65 DAG size of output: 47 [2018-12-09 17:35:58,588 WARN L180 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 56 [2018-12-09 17:35:59,102 WARN L180 SmtUtils]: Spent 514.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 70 [2018-12-09 17:35:59,291 WARN L180 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 50 [2018-12-09 17:35:59,672 WARN L180 SmtUtils]: Spent 380.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 53 [2018-12-09 17:35:59,812 WARN L180 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 44 [2018-12-09 17:36:00,030 WARN L180 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 56 [2018-12-09 17:36:00,505 WARN L180 SmtUtils]: Spent 474.00 ms on a formula simplification. DAG size of input: 167 DAG size of output: 68 [2018-12-09 17:36:00,636 WARN L180 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 41 [2018-12-09 17:36:01,144 WARN L180 SmtUtils]: Spent 507.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 66 [2018-12-09 17:36:01,700 WARN L180 SmtUtils]: Spent 555.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 70 [2018-12-09 17:36:01,934 WARN L180 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 56 [2018-12-09 17:36:02,103 WARN L180 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 50 [2018-12-09 17:36:02,620 WARN L180 SmtUtils]: Spent 517.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 69 [2018-12-09 17:36:02,900 WARN L180 SmtUtils]: Spent 278.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 51 [2018-12-09 17:36:03,054 WARN L180 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 50 [2018-12-09 17:36:03,286 WARN L180 SmtUtils]: Spent 231.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 59 [2018-12-09 17:36:03,533 WARN L180 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 56 [2018-12-09 17:36:03,968 WARN L180 SmtUtils]: Spent 434.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 69 [2018-12-09 17:36:04,104 WARN L180 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 44 [2018-12-09 17:36:04,367 WARN L180 SmtUtils]: Spent 262.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 59 [2018-12-09 17:36:04,837 WARN L180 SmtUtils]: Spent 469.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 64 [2018-12-09 17:36:05,444 WARN L180 SmtUtils]: Spent 606.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 83 [2018-12-09 17:36:05,578 WARN L180 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 62 DAG size of output: 43 [2018-12-09 17:36:05,720 WARN L180 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 44 [2018-12-09 17:36:05,961 WARN L180 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 59 [2018-12-09 17:36:06,197 WARN L180 SmtUtils]: Spent 235.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 59 [2018-12-09 17:36:06,711 WARN L180 SmtUtils]: Spent 513.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 66 [2018-12-09 17:36:06,877 WARN L180 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 50 [2018-12-09 17:36:07,354 WARN L180 SmtUtils]: Spent 476.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 65 [2018-12-09 17:36:07,841 WARN L180 SmtUtils]: Spent 486.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 65 [2018-12-09 17:36:08,297 WARN L180 SmtUtils]: Spent 455.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 67 [2018-12-09 17:36:08,668 WARN L180 SmtUtils]: Spent 370.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 52 [2018-12-09 17:36:08,668 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-09 17:36:08,670 INFO L583 CodeCheckObserver]: Invariant with dag size 51 [2018-12-09 17:36:08,682 INFO L583 CodeCheckObserver]: Invariant with dag size 51 [2018-12-09 17:36:08,686 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 09.12 05:36:08 ImpRootNode [2018-12-09 17:36:08,686 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-12-09 17:36:08,686 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-09 17:36:08,686 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-09 17:36:08,686 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-09 17:36:08,687 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 09.12 05:26:18" (3/4) ... [2018-12-09 17:36:08,690 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-09 17:36:08,702 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 99 nodes and edges [2018-12-09 17:36:08,703 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 18 nodes and edges [2018-12-09 17:36:08,703 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2018-12-09 17:36:08,704 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-12-09 17:36:08,770 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_1678b947-73f6-47df-a618-e732eb214ba9/bin-2019/ukojak/witness.graphml [2018-12-09 17:36:08,770 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-09 17:36:08,771 INFO L168 Benchmark]: Toolchain (without parser) took 592106.33 ms. Allocated memory was 1.0 GB in the beginning and 2.4 GB in the end (delta: 1.3 GB). Free memory was 950.6 MB in the beginning and 580.6 MB in the end (delta: 370.1 MB). Peak memory consumption was 1.7 GB. Max. memory is 11.5 GB. [2018-12-09 17:36:08,771 INFO L168 Benchmark]: CDTParser took 0.14 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. [2018-12-09 17:36:08,771 INFO L168 Benchmark]: CACSL2BoogieTranslator took 318.62 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 140.5 MB). Free memory was 950.6 MB in the beginning and 1.1 GB in the end (delta: -175.8 MB). Peak memory consumption was 40.9 MB. Max. memory is 11.5 GB. [2018-12-09 17:36:08,771 INFO L168 Benchmark]: Boogie Procedure Inliner took 40.31 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 11.5 GB. [2018-12-09 17:36:08,771 INFO L168 Benchmark]: Boogie Preprocessor took 29.58 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 11.5 GB. [2018-12-09 17:36:08,772 INFO L168 Benchmark]: RCFGBuilder took 1006.67 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 905.6 MB in the end (delta: 210.3 MB). Peak memory consumption was 210.3 MB. Max. memory is 11.5 GB. [2018-12-09 17:36:08,772 INFO L168 Benchmark]: CodeCheck took 590623.75 ms. Allocated memory was 1.2 GB in the beginning and 2.4 GB in the end (delta: 1.2 GB). Free memory was 905.6 MB in the beginning and 610.4 MB in the end (delta: 295.2 MB). Peak memory consumption was 2.2 GB. Max. memory is 11.5 GB. [2018-12-09 17:36:08,772 INFO L168 Benchmark]: Witness Printer took 84.15 ms. Allocated memory is still 2.4 GB. Free memory was 610.4 MB in the beginning and 580.6 MB in the end (delta: 29.8 MB). Peak memory consumption was 29.8 MB. Max. memory is 11.5 GB. [2018-12-09 17:36:08,773 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, 566.4s OverallTime, 174 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 118379892 SDtfs, -203127616 SDslu, 717437112 SDs, 0 SdLazy, -25402692 SolverSat, 218685580 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1080.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 272002 GetRequests, 261459 SyntacticMatches, 8079 SemanticMatches, 2464 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 4770529 ImplicationChecksByTransitivity, 522.2s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.8s SsaConstructionTime, 1.3s SatisfiabilityAnalysisTime, 55.6s InterpolantComputationTime, 41920 NumberOfCodeBlocks, 41920 NumberOfCodeBlocksAsserted, 173 NumberOfCheckSat, 41747 ConstructedInterpolants, 0 QuantifiedInterpolants, 76610386 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 173 InterpolantComputations, 118 PerfectInterpolantSequences, 71267/77120 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: 431]: 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: (((((((((((((((((((((a16 == 4 && a8 == 14) && a17 == 1) && a12 == 8) && a21 == 1) && a20 == 1) && a7 <= 0) || a8 == 15) || ((((((a16 == 4 && a8 == 14) && a12 == 8) && a17 <= 0) && a21 == 1) && a20 <= 0) && a7 <= 0)) || ((((((a8 == 13 && a17 == 1) && a12 == 8) && a21 == 1) && a20 == 1) && a16 == 6) && a7 <= 0)) || (((((a16 == 4 && a8 == 13) && a12 == 8) && a17 <= 0) && a21 == 1) && a7 <= 0)) || (((((a7 == 1 && a16 == 4) && a8 == 13) && a17 == 1) && a12 == 8) && a20 == 1)) || ((((((a7 == 1 && a8 == 14) && a12 == 8) && a17 <= 0) && a21 == 1) && a20 == 1) && a16 == 5)) || ((((((a16 == 4 && a8 == 13) && a17 == 1) && a12 == 8) && a21 == 1) && a20 == 1) && a7 <= 0)) || ((((((!(a7 == 1) && !(a20 == 1)) && a16 == 4) && a8 == 13) && a12 == 8) && a21 == 1) && !(a17 == 1))) || ((((((!(a21 == 1) && a7 == 1) && a8 == 13) && a17 == 1) && a12 == 8) && a20 == 1) && a16 == 5)) || ((((((!(a21 == 1) && a7 == 1) && a16 == 4) && a8 == 13) && a17 == 1) && a12 == 8) && a20 <= 0)) || ((((((a7 == 1 && a16 == 4) && a8 == 14) && a12 == 8) && a17 <= 0) && a21 == 1) && a20 <= 0)) || ((((((a8 == 14 && a12 == 8) && a17 <= 0) && a21 == 1) && a20 <= 0) && a7 <= 0) && a16 == 5)) || ((((((a7 == 1 && a8 == 14) && a12 == 8) && a17 <= 0) && a21 == 1) && a20 <= 0) && a16 == 5)) || ((((((!(a21 == 1) && a7 == 1) && a8 == 13) && a12 == 8) && a17 <= 0) && a20 == 1) && a16 == 6)) || ((((((a16 == 4 && a8 == 14) && a12 == 8) && a17 <= 0) && a21 == 1) && a20 == 1) && a7 <= 0)) || ((((((!(a21 == 1) && a7 == 1) && a16 == 4) && a8 == 13) && a12 == 8) && a17 <= 0) && a20 == 1) - InvariantResult [Line: 583]: Loop Invariant Derived loop invariant: (((((((((((((((a8 == 15 || ((((((a8 == 13 && a17 == 1) && a12 == 8) && a21 == 1) && a20 == 1) && a16 == 6) && a7 <= 0)) || (((((a16 == 4 && a8 == 13) && a12 == 8) && a17 <= 0) && a21 == 1) && a7 <= 0)) || (((((a7 == 1 && a16 == 4) && a8 == 13) && a17 == 1) && a12 == 8) && a20 == 1)) || ((((((a16 == 4 && a8 == 13) && a17 == 1) && a12 == 8) && a21 == 1) && a20 == 1) && a7 <= 0)) || ((((((!(a7 == 1) && !(a20 == 1)) && a16 == 4) && a8 == 13) && a12 == 8) && a21 == 1) && !(a17 == 1))) || ((((((!(a21 == 1) && a7 == 1) && a16 == 4) && a8 == 13) && a17 == 1) && a12 == 8) && a20 <= 0)) || ((((((!(a21 == 1) && a7 == 1) && a8 == 13) && a12 == 8) && a17 <= 0) && a20 == 1) && a16 == 6)) || ((((((a16 == 4 && a8 == 14) && a12 == 8) && a17 <= 0) && a21 == 1) && a20 == 1) && a7 <= 0)) || ((((((a16 == 4 && a8 == 14) && a17 == 1) && a12 == 8) && a21 == 1) && a20 == 1) && a7 <= 0)) || ((((((a16 == 4 && a8 == 14) && a12 == 8) && a17 <= 0) && a21 == 1) && a20 <= 0) && a7 <= 0)) || ((((((a7 == 1 && a8 == 14) && a12 == 8) && a17 <= 0) && a21 == 1) && a20 == 1) && a16 == 5)) || ((((((!(a21 == 1) && a7 == 1) && a8 == 13) && a17 == 1) && a12 == 8) && a20 == 1) && a16 == 5)) || ((((((a7 == 1 && a16 == 4) && a8 == 14) && a12 == 8) && a17 <= 0) && a21 == 1) && a20 <= 0)) || ((((((a8 == 14 && a12 == 8) && a17 <= 0) && a21 == 1) && a20 <= 0) && a7 <= 0) && a16 == 5)) || ((((((a7 == 1 && a8 == 14) && a12 == 8) && a17 <= 0) && a21 == 1) && a20 <= 0) && a16 == 5)) || ((((((!(a21 == 1) && a7 == 1) && a16 == 4) && a8 == 13) && a12 == 8) && a17 <= 0) && a20 == 1) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 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 318.62 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 140.5 MB). Free memory was 950.6 MB in the beginning and 1.1 GB in the end (delta: -175.8 MB). Peak memory consumption was 40.9 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 40.31 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 29.58 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1006.67 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 905.6 MB in the end (delta: 210.3 MB). Peak memory consumption was 210.3 MB. Max. memory is 11.5 GB. * CodeCheck took 590623.75 ms. Allocated memory was 1.2 GB in the beginning and 2.4 GB in the end (delta: 1.2 GB). Free memory was 905.6 MB in the beginning and 610.4 MB in the end (delta: 295.2 MB). Peak memory consumption was 2.2 GB. Max. memory is 11.5 GB. * Witness Printer took 84.15 ms. Allocated memory is still 2.4 GB. Free memory was 610.4 MB in the beginning and 580.6 MB in the end (delta: 29.8 MB). Peak memory consumption was 29.8 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...