./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem02_label07.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version f470102c Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_b6ace661-b479-489b-bddc-aa8f0b9bda3d/bin/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_b6ace661-b479-489b-bddc-aa8f0b9bda3d/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_b6ace661-b479-489b-bddc-aa8f0b9bda3d/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_b6ace661-b479-489b-bddc-aa8f0b9bda3d/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem02_label07.c -s /tmp/vcloud-vcloud-master/worker/run_dir_b6ace661-b479-489b-bddc-aa8f0b9bda3d/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_b6ace661-b479-489b-bddc-aa8f0b9bda3d/bin/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 e1aefec8ddab0c97dfdccb598d218efc3fd3f309 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-f470102 [2019-12-01 23:34:48,646 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-01 23:34:48,647 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-01 23:34:48,654 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-01 23:34:48,655 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-01 23:34:48,655 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-01 23:34:48,656 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-01 23:34:48,657 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-01 23:34:48,659 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-01 23:34:48,659 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-01 23:34:48,660 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-01 23:34:48,661 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-01 23:34:48,661 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-01 23:34:48,662 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-01 23:34:48,662 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-01 23:34:48,663 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-01 23:34:48,664 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-01 23:34:48,664 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-01 23:34:48,666 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-01 23:34:48,668 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-01 23:34:48,669 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-01 23:34:48,669 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-01 23:34:48,670 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-01 23:34:48,671 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-01 23:34:48,672 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-01 23:34:48,672 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-01 23:34:48,673 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-01 23:34:48,673 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-01 23:34:48,673 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-01 23:34:48,674 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-01 23:34:48,674 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-01 23:34:48,674 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-01 23:34:48,675 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-01 23:34:48,675 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-01 23:34:48,676 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-01 23:34:48,676 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-01 23:34:48,676 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-01 23:34:48,676 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-01 23:34:48,677 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-01 23:34:48,677 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-01 23:34:48,678 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-01 23:34:48,678 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_b6ace661-b479-489b-bddc-aa8f0b9bda3d/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2019-12-01 23:34:48,687 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-01 23:34:48,687 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-01 23:34:48,688 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-12-01 23:34:48,688 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2019-12-01 23:34:48,688 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-01 23:34:48,688 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-01 23:34:48,689 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-01 23:34:48,689 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-01 23:34:48,689 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-01 23:34:48,689 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-01 23:34:48,689 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-01 23:34:48,689 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-01 23:34:48,689 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-01 23:34:48,689 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-01 23:34:48,689 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-01 23:34:48,690 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-01 23:34:48,690 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-01 23:34:48,690 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-01 23:34:48,690 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2019-12-01 23:34:48,690 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2019-12-01 23:34:48,690 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-01 23:34:48,690 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-01 23:34:48,690 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2019-12-01 23:34:48,691 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-01 23:34:48,691 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-01 23:34:48,691 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-01 23:34:48,691 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2019-12-01 23:34:48,691 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-01 23:34:48,691 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-01 23:34:48,691 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode 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/run_dir_b6ace661-b479-489b-bddc-aa8f0b9bda3d/bin/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 -> e1aefec8ddab0c97dfdccb598d218efc3fd3f309 [2019-12-01 23:34:48,795 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-01 23:34:48,805 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-01 23:34:48,808 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-01 23:34:48,810 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-01 23:34:48,810 INFO L275 PluginConnector]: CDTParser initialized [2019-12-01 23:34:48,811 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_b6ace661-b479-489b-bddc-aa8f0b9bda3d/bin/ukojak/../../sv-benchmarks/c/eca-rers2012/Problem02_label07.c [2019-12-01 23:34:48,858 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_b6ace661-b479-489b-bddc-aa8f0b9bda3d/bin/ukojak/data/2c3e269e2/c74d26b6bc344da9a4f9393c3044329b/FLAG98bf9b96f [2019-12-01 23:34:49,353 INFO L306 CDTParser]: Found 1 translation units. [2019-12-01 23:34:49,353 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_b6ace661-b479-489b-bddc-aa8f0b9bda3d/sv-benchmarks/c/eca-rers2012/Problem02_label07.c [2019-12-01 23:34:49,362 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_b6ace661-b479-489b-bddc-aa8f0b9bda3d/bin/ukojak/data/2c3e269e2/c74d26b6bc344da9a4f9393c3044329b/FLAG98bf9b96f [2019-12-01 23:34:49,371 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_b6ace661-b479-489b-bddc-aa8f0b9bda3d/bin/ukojak/data/2c3e269e2/c74d26b6bc344da9a4f9393c3044329b [2019-12-01 23:34:49,373 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-01 23:34:49,374 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-01 23:34:49,374 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-01 23:34:49,375 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-01 23:34:49,377 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-01 23:34:49,377 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 11:34:49" (1/1) ... [2019-12-01 23:34:49,379 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@62c1cac4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:34:49, skipping insertion in model container [2019-12-01 23:34:49,379 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 11:34:49" (1/1) ... [2019-12-01 23:34:49,384 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-01 23:34:49,414 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-01 23:34:49,641 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-01 23:34:49,644 INFO L203 MainTranslator]: Completed pre-run [2019-12-01 23:34:49,696 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-01 23:34:49,706 INFO L208 MainTranslator]: Completed translation [2019-12-01 23:34:49,707 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:34:49 WrapperNode [2019-12-01 23:34:49,707 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-01 23:34:49,707 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-01 23:34:49,707 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-01 23:34:49,708 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-01 23:34:49,713 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:34:49" (1/1) ... [2019-12-01 23:34:49,726 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:34:49" (1/1) ... [2019-12-01 23:34:49,758 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-01 23:34:49,758 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-01 23:34:49,758 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-01 23:34:49,758 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-01 23:34:49,765 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:34:49" (1/1) ... [2019-12-01 23:34:49,765 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:34:49" (1/1) ... [2019-12-01 23:34:49,767 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:34:49" (1/1) ... [2019-12-01 23:34:49,768 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:34:49" (1/1) ... [2019-12-01 23:34:49,781 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:34:49" (1/1) ... [2019-12-01 23:34:49,789 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:34:49" (1/1) ... [2019-12-01 23:34:49,793 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:34:49" (1/1) ... [2019-12-01 23:34:49,798 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-01 23:34:49,798 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-01 23:34:49,798 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-01 23:34:49,798 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-01 23:34:49,799 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:34:49" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_b6ace661-b479-489b-bddc-aa8f0b9bda3d/bin/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 [2019-12-01 23:34:49,841 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-01 23:34:49,841 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-01 23:34:51,011 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-01 23:34:51,011 INFO L287 CfgBuilder]: Removed 7 assume(true) statements. [2019-12-01 23:34:51,012 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 11:34:51 BoogieIcfgContainer [2019-12-01 23:34:51,012 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-01 23:34:51,013 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2019-12-01 23:34:51,013 INFO L271 PluginConnector]: Initializing CodeCheck... [2019-12-01 23:34:51,019 INFO L275 PluginConnector]: CodeCheck initialized [2019-12-01 23:34:51,020 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 11:34:51" (1/1) ... [2019-12-01 23:34:51,028 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-01 23:34:51,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:34:51,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 85 states and 162 transitions. [2019-12-01 23:34:51,055 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 162 transitions. [2019-12-01 23:34:51,060 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2019-12-01 23:34:51,060 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:34:51,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:34:51,319 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 23:34:51,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:34:51,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 251 states to 163 states and 251 transitions. [2019-12-01 23:34:51,667 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 251 transitions. [2019-12-01 23:34:51,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2019-12-01 23:34:51,670 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:34:51,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:34:51,773 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 23:34:52,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:34:52,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 241 states and 337 transitions. [2019-12-01 23:34:52,223 INFO L276 IsEmpty]: Start isEmpty. Operand 241 states and 337 transitions. [2019-12-01 23:34:52,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2019-12-01 23:34:52,225 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:34:52,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:34:52,299 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-12-01 23:34:52,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:34:52,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 430 states to 328 states and 430 transitions. [2019-12-01 23:34:52,868 INFO L276 IsEmpty]: Start isEmpty. Operand 328 states and 430 transitions. [2019-12-01 23:34:52,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 92 [2019-12-01 23:34:52,871 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:34:52,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:34:52,924 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 23:34:53,116 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:34:53,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 444 states to 338 states and 444 transitions. [2019-12-01 23:34:53,118 INFO L276 IsEmpty]: Start isEmpty. Operand 338 states and 444 transitions. [2019-12-01 23:34:53,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2019-12-01 23:34:53,120 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:34:53,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:34:53,165 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 23:34:53,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:34:53,332 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 451 states to 342 states and 451 transitions. [2019-12-01 23:34:53,333 INFO L276 IsEmpty]: Start isEmpty. Operand 342 states and 451 transitions. [2019-12-01 23:34:53,335 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2019-12-01 23:34:53,335 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:34:53,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:34:53,377 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-12-01 23:34:53,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:34:53,619 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 464 states to 351 states and 464 transitions. [2019-12-01 23:34:53,619 INFO L276 IsEmpty]: Start isEmpty. Operand 351 states and 464 transitions. [2019-12-01 23:34:53,620 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2019-12-01 23:34:53,620 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:34:53,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:34:53,645 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 23:34:53,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:34:53,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 477 states to 363 states and 477 transitions. [2019-12-01 23:34:53,752 INFO L276 IsEmpty]: Start isEmpty. Operand 363 states and 477 transitions. [2019-12-01 23:34:53,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2019-12-01 23:34:53,753 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:34:53,759 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:34:53,797 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-12-01 23:34:54,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:34:54,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 484 states to 367 states and 484 transitions. [2019-12-01 23:34:54,067 INFO L276 IsEmpty]: Start isEmpty. Operand 367 states and 484 transitions. [2019-12-01 23:34:54,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2019-12-01 23:34:54,068 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:34:54,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:34:54,099 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-12-01 23:34:54,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:34:54,317 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 510 states to 389 states and 510 transitions. [2019-12-01 23:34:54,317 INFO L276 IsEmpty]: Start isEmpty. Operand 389 states and 510 transitions. [2019-12-01 23:34:54,318 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 108 [2019-12-01 23:34:54,318 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:34:54,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:34:54,341 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2019-12-01 23:34:54,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:34:54,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 521 states to 396 states and 521 transitions. [2019-12-01 23:34:54,600 INFO L276 IsEmpty]: Start isEmpty. Operand 396 states and 521 transitions. [2019-12-01 23:34:54,600 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2019-12-01 23:34:54,600 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:34:54,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:34:54,628 INFO L134 CoverageAnalysis]: Checked inductivity of 55 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2019-12-01 23:34:54,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:34:54,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 524 states to 399 states and 524 transitions. [2019-12-01 23:34:54,647 INFO L276 IsEmpty]: Start isEmpty. Operand 399 states and 524 transitions. [2019-12-01 23:34:54,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2019-12-01 23:34:54,647 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:34:54,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:34:54,669 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-12-01 23:34:54,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:34:54,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 528 states to 403 states and 528 transitions. [2019-12-01 23:34:54,694 INFO L276 IsEmpty]: Start isEmpty. Operand 403 states and 528 transitions. [2019-12-01 23:34:54,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2019-12-01 23:34:54,695 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:34:54,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:34:54,725 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-12-01 23:34:54,760 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:34:54,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 534 states to 409 states and 534 transitions. [2019-12-01 23:34:54,761 INFO L276 IsEmpty]: Start isEmpty. Operand 409 states and 534 transitions. [2019-12-01 23:34:54,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2019-12-01 23:34:54,762 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:34:54,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:34:54,782 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2019-12-01 23:34:54,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:34:54,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 542 states to 417 states and 542 transitions. [2019-12-01 23:34:54,844 INFO L276 IsEmpty]: Start isEmpty. Operand 417 states and 542 transitions. [2019-12-01 23:34:54,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2019-12-01 23:34:54,845 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:34:54,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:34:54,878 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 49 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2019-12-01 23:34:55,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:34:55,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 565 states to 436 states and 565 transitions. [2019-12-01 23:34:55,111 INFO L276 IsEmpty]: Start isEmpty. Operand 436 states and 565 transitions. [2019-12-01 23:34:55,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2019-12-01 23:34:55,113 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:34:55,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:34:55,166 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 47 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 23:34:55,469 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:34:55,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 597 states to 463 states and 597 transitions. [2019-12-01 23:34:55,470 INFO L276 IsEmpty]: Start isEmpty. Operand 463 states and 597 transitions. [2019-12-01 23:34:55,472 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2019-12-01 23:34:55,472 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:34:55,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:34:55,513 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-12-01 23:34:55,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:34:55,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 603 states to 469 states and 603 transitions. [2019-12-01 23:34:55,549 INFO L276 IsEmpty]: Start isEmpty. Operand 469 states and 603 transitions. [2019-12-01 23:34:55,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2019-12-01 23:34:55,551 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:34:55,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:34:55,658 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-12-01 23:34:56,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:34:56,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 647 states to 507 states and 647 transitions. [2019-12-01 23:34:56,338 INFO L276 IsEmpty]: Start isEmpty. Operand 507 states and 647 transitions. [2019-12-01 23:34:56,340 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2019-12-01 23:34:56,340 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:34:56,348 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:34:56,375 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 61 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2019-12-01 23:34:56,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:34:56,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 664 states to 522 states and 664 transitions. [2019-12-01 23:34:56,576 INFO L276 IsEmpty]: Start isEmpty. Operand 522 states and 664 transitions. [2019-12-01 23:34:56,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2019-12-01 23:34:56,577 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:34:56,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:34:56,595 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 40 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2019-12-01 23:34:56,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:34:56,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 670 states to 528 states and 670 transitions. [2019-12-01 23:34:56,625 INFO L276 IsEmpty]: Start isEmpty. Operand 528 states and 670 transitions. [2019-12-01 23:34:56,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2019-12-01 23:34:56,626 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:34:56,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:34:56,681 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 44 proven. 8 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2019-12-01 23:34:57,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:34:57,068 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 698 states to 551 states and 698 transitions. [2019-12-01 23:34:57,068 INFO L276 IsEmpty]: Start isEmpty. Operand 551 states and 698 transitions. [2019-12-01 23:34:57,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2019-12-01 23:34:57,069 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:34:57,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:34:57,101 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 74 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-12-01 23:34:57,349 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:34:57,350 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 724 states to 573 states and 724 transitions. [2019-12-01 23:34:57,350 INFO L276 IsEmpty]: Start isEmpty. Operand 573 states and 724 transitions. [2019-12-01 23:34:57,351 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2019-12-01 23:34:57,351 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:34:57,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:34:57,376 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 49 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-12-01 23:34:57,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:34:57,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 744 states to 592 states and 744 transitions. [2019-12-01 23:34:57,503 INFO L276 IsEmpty]: Start isEmpty. Operand 592 states and 744 transitions. [2019-12-01 23:34:57,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2019-12-01 23:34:57,504 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:34:57,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:34:57,527 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2019-12-01 23:34:57,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:34:57,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 749 states to 595 states and 749 transitions. [2019-12-01 23:34:57,741 INFO L276 IsEmpty]: Start isEmpty. Operand 595 states and 749 transitions. [2019-12-01 23:34:57,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2019-12-01 23:34:57,741 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:34:57,748 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:34:57,765 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2019-12-01 23:34:57,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:34:57,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 752 states to 598 states and 752 transitions. [2019-12-01 23:34:57,867 INFO L276 IsEmpty]: Start isEmpty. Operand 598 states and 752 transitions. [2019-12-01 23:34:57,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2019-12-01 23:34:57,868 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:34:57,875 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:34:57,893 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2019-12-01 23:34:58,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:34:58,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 756 states to 601 states and 756 transitions. [2019-12-01 23:34:58,037 INFO L276 IsEmpty]: Start isEmpty. Operand 601 states and 756 transitions. [2019-12-01 23:34:58,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2019-12-01 23:34:58,038 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:34:58,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:34:58,064 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 23:34:58,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:34:58,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 791 states to 634 states and 791 transitions. [2019-12-01 23:34:58,206 INFO L276 IsEmpty]: Start isEmpty. Operand 634 states and 791 transitions. [2019-12-01 23:34:58,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2019-12-01 23:34:58,207 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:34:58,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:34:58,239 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 78 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-12-01 23:34:58,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:34:58,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 796 states to 638 states and 796 transitions. [2019-12-01 23:34:58,269 INFO L276 IsEmpty]: Start isEmpty. Operand 638 states and 796 transitions. [2019-12-01 23:34:58,270 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2019-12-01 23:34:58,270 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:34:58,278 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:34:58,304 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 53 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-12-01 23:34:58,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:34:58,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 826 states to 667 states and 826 transitions. [2019-12-01 23:34:58,584 INFO L276 IsEmpty]: Start isEmpty. Operand 667 states and 826 transitions. [2019-12-01 23:34:58,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2019-12-01 23:34:58,584 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:34:58,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:34:58,608 INFO L134 CoverageAnalysis]: Checked inductivity of 83 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2019-12-01 23:34:58,748 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:34:58,749 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 828 states to 668 states and 828 transitions. [2019-12-01 23:34:58,749 INFO L276 IsEmpty]: Start isEmpty. Operand 668 states and 828 transitions. [2019-12-01 23:34:58,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2019-12-01 23:34:58,750 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:34:58,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:34:58,774 INFO L134 CoverageAnalysis]: Checked inductivity of 83 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2019-12-01 23:34:58,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:34:58,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 839 states to 678 states and 839 transitions. [2019-12-01 23:34:58,940 INFO L276 IsEmpty]: Start isEmpty. Operand 678 states and 839 transitions. [2019-12-01 23:34:58,941 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2019-12-01 23:34:58,941 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:34:58,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:34:58,977 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 60 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 23:34:59,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:34:59,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 868 states to 705 states and 868 transitions. [2019-12-01 23:34:59,247 INFO L276 IsEmpty]: Start isEmpty. Operand 705 states and 868 transitions. [2019-12-01 23:34:59,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2019-12-01 23:34:59,248 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:34:59,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:34:59,350 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 66 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2019-12-01 23:34:59,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:34:59,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 887 states to 721 states and 887 transitions. [2019-12-01 23:34:59,572 INFO L276 IsEmpty]: Start isEmpty. Operand 721 states and 887 transitions. [2019-12-01 23:34:59,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2019-12-01 23:34:59,572 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:34:59,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:34:59,595 INFO L134 CoverageAnalysis]: Checked inductivity of 89 backedges. 89 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 23:34:59,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:34:59,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 896 states to 725 states and 896 transitions. [2019-12-01 23:34:59,899 INFO L276 IsEmpty]: Start isEmpty. Operand 725 states and 896 transitions. [2019-12-01 23:34:59,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2019-12-01 23:34:59,900 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:34:59,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:35:00,192 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 75 proven. 3 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2019-12-01 23:35:01,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:35:01,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 947 states to 765 states and 947 transitions. [2019-12-01 23:35:01,475 INFO L276 IsEmpty]: Start isEmpty. Operand 765 states and 947 transitions. [2019-12-01 23:35:01,476 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2019-12-01 23:35:01,476 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:35:01,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:35:01,605 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 90 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-12-01 23:35:01,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:35:01,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 964 states to 781 states and 964 transitions. [2019-12-01 23:35:01,950 INFO L276 IsEmpty]: Start isEmpty. Operand 781 states and 964 transitions. [2019-12-01 23:35:01,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2019-12-01 23:35:01,951 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:35:01,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:35:01,978 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 97 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-12-01 23:35:02,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:35:02,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 966 states to 782 states and 966 transitions. [2019-12-01 23:35:02,151 INFO L276 IsEmpty]: Start isEmpty. Operand 782 states and 966 transitions. [2019-12-01 23:35:02,152 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2019-12-01 23:35:02,152 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:35:02,160 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:35:02,218 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 67 proven. 5 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2019-12-01 23:35:02,332 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:35:02,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 976 states to 791 states and 976 transitions. [2019-12-01 23:35:02,333 INFO L276 IsEmpty]: Start isEmpty. Operand 791 states and 976 transitions. [2019-12-01 23:35:02,334 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2019-12-01 23:35:02,334 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:35:02,340 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:35:02,418 INFO L134 CoverageAnalysis]: Checked inductivity of 109 backedges. 78 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2019-12-01 23:35:02,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:35:02,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 999 states to 810 states and 999 transitions. [2019-12-01 23:35:02,885 INFO L276 IsEmpty]: Start isEmpty. Operand 810 states and 999 transitions. [2019-12-01 23:35:02,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2019-12-01 23:35:02,886 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:35:02,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:35:03,198 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 74 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 23:35:05,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:35:05,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1077 states to 876 states and 1077 transitions. [2019-12-01 23:35:05,878 INFO L276 IsEmpty]: Start isEmpty. Operand 876 states and 1077 transitions. [2019-12-01 23:35:05,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2019-12-01 23:35:05,879 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:35:05,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:35:05,908 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 79 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2019-12-01 23:35:06,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:35:06,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1078 states to 877 states and 1078 transitions. [2019-12-01 23:35:06,038 INFO L276 IsEmpty]: Start isEmpty. Operand 877 states and 1078 transitions. [2019-12-01 23:35:06,040 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2019-12-01 23:35:06,040 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:35:06,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:35:06,082 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 97 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-12-01 23:35:06,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:35:06,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1097 states to 896 states and 1097 transitions. [2019-12-01 23:35:06,346 INFO L276 IsEmpty]: Start isEmpty. Operand 896 states and 1097 transitions. [2019-12-01 23:35:06,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2019-12-01 23:35:06,347 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:35:06,358 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:35:06,382 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 97 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-12-01 23:35:06,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:35:06,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1108 states to 908 states and 1108 transitions. [2019-12-01 23:35:06,588 INFO L276 IsEmpty]: Start isEmpty. Operand 908 states and 1108 transitions. [2019-12-01 23:35:06,589 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2019-12-01 23:35:06,590 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:35:06,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:35:06,621 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 76 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2019-12-01 23:35:06,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:35:06,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1109 states to 909 states and 1109 transitions. [2019-12-01 23:35:06,764 INFO L276 IsEmpty]: Start isEmpty. Operand 909 states and 1109 transitions. [2019-12-01 23:35:06,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2019-12-01 23:35:06,765 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:35:06,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:35:07,048 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 76 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 23:35:12,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:35:12,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1178 states to 972 states and 1178 transitions. [2019-12-01 23:35:12,056 INFO L276 IsEmpty]: Start isEmpty. Operand 972 states and 1178 transitions. [2019-12-01 23:35:12,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2019-12-01 23:35:12,057 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:35:12,064 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:35:12,085 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 78 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2019-12-01 23:35:12,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:35:12,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1180 states to 974 states and 1180 transitions. [2019-12-01 23:35:12,303 INFO L276 IsEmpty]: Start isEmpty. Operand 974 states and 1180 transitions. [2019-12-01 23:35:12,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2019-12-01 23:35:12,304 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:35:12,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:35:12,601 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 78 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 23:35:13,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:35:13,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1210 states to 1000 states and 1210 transitions. [2019-12-01 23:35:13,955 INFO L276 IsEmpty]: Start isEmpty. Operand 1000 states and 1210 transitions. [2019-12-01 23:35:13,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2019-12-01 23:35:13,956 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:35:13,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:35:13,979 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 90 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2019-12-01 23:35:14,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:35:14,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1231 states to 1019 states and 1231 transitions. [2019-12-01 23:35:14,248 INFO L276 IsEmpty]: Start isEmpty. Operand 1019 states and 1231 transitions. [2019-12-01 23:35:14,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2019-12-01 23:35:14,249 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:35:14,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:35:14,316 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 78 proven. 4 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 23:35:14,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:35:14,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1250 states to 1038 states and 1250 transitions. [2019-12-01 23:35:14,661 INFO L276 IsEmpty]: Start isEmpty. Operand 1038 states and 1250 transitions. [2019-12-01 23:35:14,662 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2019-12-01 23:35:14,663 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:35:14,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:35:14,719 INFO L134 CoverageAnalysis]: Checked inductivity of 143 backedges. 96 proven. 8 refuted. 0 times theorem prover too weak. 39 trivial. 0 not checked. [2019-12-01 23:35:14,839 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:35:14,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1257 states to 1046 states and 1257 transitions. [2019-12-01 23:35:14,840 INFO L276 IsEmpty]: Start isEmpty. Operand 1046 states and 1257 transitions. [2019-12-01 23:35:14,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2019-12-01 23:35:14,842 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:35:14,853 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:35:14,920 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 79 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 23:35:17,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:35:17,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1302 states to 1085 states and 1302 transitions. [2019-12-01 23:35:17,949 INFO L276 IsEmpty]: Start isEmpty. Operand 1085 states and 1302 transitions. [2019-12-01 23:35:17,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2019-12-01 23:35:17,950 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:35:17,956 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:35:18,033 INFO L134 CoverageAnalysis]: Checked inductivity of 122 backedges. 91 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2019-12-01 23:35:18,403 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:35:18,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1312 states to 1095 states and 1312 transitions. [2019-12-01 23:35:18,404 INFO L276 IsEmpty]: Start isEmpty. Operand 1095 states and 1312 transitions. [2019-12-01 23:35:18,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2019-12-01 23:35:18,406 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:35:18,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:35:18,678 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 84 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 23:35:22,248 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:35:22,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1372 states to 1147 states and 1372 transitions. [2019-12-01 23:35:22,249 INFO L276 IsEmpty]: Start isEmpty. Operand 1147 states and 1372 transitions. [2019-12-01 23:35:22,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2019-12-01 23:35:22,251 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:35:22,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:35:22,388 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 84 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 23:35:22,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:35:22,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1389 states to 1163 states and 1389 transitions. [2019-12-01 23:35:22,800 INFO L276 IsEmpty]: Start isEmpty. Operand 1163 states and 1389 transitions. [2019-12-01 23:35:22,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2019-12-01 23:35:22,801 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:35:22,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:35:22,834 INFO L134 CoverageAnalysis]: Checked inductivity of 107 backedges. 107 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 23:35:24,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:35:24,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1408 states to 1179 states and 1408 transitions. [2019-12-01 23:35:24,028 INFO L276 IsEmpty]: Start isEmpty. Operand 1179 states and 1408 transitions. [2019-12-01 23:35:24,030 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2019-12-01 23:35:24,030 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:35:24,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:35:24,090 INFO L134 CoverageAnalysis]: Checked inductivity of 112 backedges. 104 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-12-01 23:35:24,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:35:24,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1419 states to 1186 states and 1419 transitions. [2019-12-01 23:35:24,133 INFO L276 IsEmpty]: Start isEmpty. Operand 1186 states and 1419 transitions. [2019-12-01 23:35:24,134 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2019-12-01 23:35:24,134 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:35:24,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:35:24,172 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 86 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2019-12-01 23:35:24,196 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:35:24,197 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1422 states to 1189 states and 1422 transitions. [2019-12-01 23:35:24,197 INFO L276 IsEmpty]: Start isEmpty. Operand 1189 states and 1422 transitions. [2019-12-01 23:35:24,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2019-12-01 23:35:24,198 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:35:24,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:35:24,315 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 87 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 23:35:27,286 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:35:27,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1471 states to 1235 states and 1471 transitions. [2019-12-01 23:35:27,289 INFO L276 IsEmpty]: Start isEmpty. Operand 1235 states and 1471 transitions. [2019-12-01 23:35:27,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2019-12-01 23:35:27,291 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:35:27,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:35:27,345 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 0 proven. 26 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2019-12-01 23:35:27,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:35:27,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1479 states to 1238 states and 1479 transitions. [2019-12-01 23:35:27,418 INFO L276 IsEmpty]: Start isEmpty. Operand 1238 states and 1479 transitions. [2019-12-01 23:35:27,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2019-12-01 23:35:27,419 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:35:27,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:35:27,480 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 80 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-12-01 23:35:30,904 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:35:30,905 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1524 states to 1276 states and 1524 transitions. [2019-12-01 23:35:30,905 INFO L276 IsEmpty]: Start isEmpty. Operand 1276 states and 1524 transitions. [2019-12-01 23:35:30,906 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2019-12-01 23:35:30,906 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:35:30,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:35:30,950 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 110 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 23:35:31,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:35:31,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1527 states to 1279 states and 1527 transitions. [2019-12-01 23:35:31,238 INFO L276 IsEmpty]: Start isEmpty. Operand 1279 states and 1527 transitions. [2019-12-01 23:35:31,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2019-12-01 23:35:31,239 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:35:31,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:35:31,756 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 70 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2019-12-01 23:35:34,337 WARN L192 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 37 [2019-12-01 23:35:36,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:35:36,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1562 states to 1315 states and 1562 transitions. [2019-12-01 23:35:36,811 INFO L276 IsEmpty]: Start isEmpty. Operand 1315 states and 1562 transitions. [2019-12-01 23:35:36,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2019-12-01 23:35:36,813 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:35:36,821 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:35:36,889 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 84 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-12-01 23:35:38,608 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:35:38,611 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1594 states to 1345 states and 1594 transitions. [2019-12-01 23:35:38,611 INFO L276 IsEmpty]: Start isEmpty. Operand 1345 states and 1594 transitions. [2019-12-01 23:35:38,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2019-12-01 23:35:38,614 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:35:38,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:35:38,688 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 85 proven. 8 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2019-12-01 23:35:38,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:35:38,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1611 states to 1359 states and 1611 transitions. [2019-12-01 23:35:38,771 INFO L276 IsEmpty]: Start isEmpty. Operand 1359 states and 1611 transitions. [2019-12-01 23:35:38,773 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2019-12-01 23:35:38,773 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:35:38,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:35:38,841 INFO L134 CoverageAnalysis]: Checked inductivity of 121 backedges. 85 proven. 8 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2019-12-01 23:35:38,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:35:38,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1633 states to 1381 states and 1633 transitions. [2019-12-01 23:35:38,920 INFO L276 IsEmpty]: Start isEmpty. Operand 1381 states and 1633 transitions. [2019-12-01 23:35:38,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2019-12-01 23:35:38,921 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:35:38,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:35:38,952 INFO L134 CoverageAnalysis]: Checked inductivity of 111 backedges. 85 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2019-12-01 23:35:38,993 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:35:38,995 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1642 states to 1390 states and 1642 transitions. [2019-12-01 23:35:38,995 INFO L276 IsEmpty]: Start isEmpty. Operand 1390 states and 1642 transitions. [2019-12-01 23:35:38,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2019-12-01 23:35:38,996 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:35:39,003 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:35:39,104 INFO L134 CoverageAnalysis]: Checked inductivity of 167 backedges. 141 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2019-12-01 23:35:40,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:35:40,723 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1661 states to 1406 states and 1661 transitions. [2019-12-01 23:35:40,723 INFO L276 IsEmpty]: Start isEmpty. Operand 1406 states and 1661 transitions. [2019-12-01 23:35:40,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2019-12-01 23:35:40,726 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:35:40,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:35:41,538 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 93 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-12-01 23:35:44,571 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:35:44,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1731 states to 1477 states and 1731 transitions. [2019-12-01 23:35:44,572 INFO L276 IsEmpty]: Start isEmpty. Operand 1477 states and 1731 transitions. [2019-12-01 23:35:44,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2019-12-01 23:35:44,573 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:35:44,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:35:44,614 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 89 proven. 3 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2019-12-01 23:35:44,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:35:44,911 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1759 states to 1505 states and 1759 transitions. [2019-12-01 23:35:44,911 INFO L276 IsEmpty]: Start isEmpty. Operand 1505 states and 1759 transitions. [2019-12-01 23:35:44,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2019-12-01 23:35:44,913 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:35:44,924 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:35:44,970 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 120 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-12-01 23:35:45,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:35:45,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1778 states to 1521 states and 1778 transitions. [2019-12-01 23:35:45,332 INFO L276 IsEmpty]: Start isEmpty. Operand 1521 states and 1778 transitions. [2019-12-01 23:35:45,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2019-12-01 23:35:45,333 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:35:45,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:35:45,415 INFO L134 CoverageAnalysis]: Checked inductivity of 131 backedges. 123 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-12-01 23:35:47,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:35:47,441 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1835 states to 1573 states and 1835 transitions. [2019-12-01 23:35:47,441 INFO L276 IsEmpty]: Start isEmpty. Operand 1573 states and 1835 transitions. [2019-12-01 23:35:47,444 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2019-12-01 23:35:47,444 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:35:47,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:35:47,534 INFO L134 CoverageAnalysis]: Checked inductivity of 131 backedges. 123 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-12-01 23:35:50,563 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:35:50,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1863 states to 1599 states and 1863 transitions. [2019-12-01 23:35:50,566 INFO L276 IsEmpty]: Start isEmpty. Operand 1599 states and 1863 transitions. [2019-12-01 23:35:50,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2019-12-01 23:35:50,570 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:35:50,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:35:50,625 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 97 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2019-12-01 23:35:50,974 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:35:50,975 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1885 states to 1615 states and 1885 transitions. [2019-12-01 23:35:50,976 INFO L276 IsEmpty]: Start isEmpty. Operand 1615 states and 1885 transitions. [2019-12-01 23:35:50,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2019-12-01 23:35:50,977 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:35:50,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:35:51,103 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 129 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 23:35:52,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:35:52,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1905 states to 1631 states and 1905 transitions. [2019-12-01 23:35:52,411 INFO L276 IsEmpty]: Start isEmpty. Operand 1631 states and 1905 transitions. [2019-12-01 23:35:52,412 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2019-12-01 23:35:52,413 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:35:52,421 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:35:52,532 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 129 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 23:35:54,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:35:54,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1935 states to 1661 states and 1935 transitions. [2019-12-01 23:35:54,613 INFO L276 IsEmpty]: Start isEmpty. Operand 1661 states and 1935 transitions. [2019-12-01 23:35:54,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2019-12-01 23:35:54,615 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:35:54,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:35:54,739 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 129 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 23:35:55,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:35:55,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1953 states to 1677 states and 1953 transitions. [2019-12-01 23:35:55,329 INFO L276 IsEmpty]: Start isEmpty. Operand 1677 states and 1953 transitions. [2019-12-01 23:35:55,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2019-12-01 23:35:55,330 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:35:55,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:35:55,497 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 128 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-12-01 23:35:56,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:35:56,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1999 states to 1717 states and 1999 transitions. [2019-12-01 23:35:56,536 INFO L276 IsEmpty]: Start isEmpty. Operand 1717 states and 1999 transitions. [2019-12-01 23:35:56,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2019-12-01 23:35:56,537 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:35:56,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:35:56,602 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 128 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-12-01 23:35:57,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:35:57,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2013 states to 1731 states and 2013 transitions. [2019-12-01 23:35:57,204 INFO L276 IsEmpty]: Start isEmpty. Operand 1731 states and 2013 transitions. [2019-12-01 23:35:57,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2019-12-01 23:35:57,206 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:35:57,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:35:57,273 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 128 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-12-01 23:35:57,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:35:57,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2029 states to 1747 states and 2029 transitions. [2019-12-01 23:35:57,705 INFO L276 IsEmpty]: Start isEmpty. Operand 1747 states and 2029 transitions. [2019-12-01 23:35:57,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2019-12-01 23:35:57,707 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:35:57,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:35:57,758 INFO L134 CoverageAnalysis]: Checked inductivity of 167 backedges. 148 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2019-12-01 23:36:00,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:36:00,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2095 states to 1807 states and 2095 transitions. [2019-12-01 23:36:00,157 INFO L276 IsEmpty]: Start isEmpty. Operand 1807 states and 2095 transitions. [2019-12-01 23:36:00,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2019-12-01 23:36:00,159 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:36:00,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:36:00,284 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 137 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-12-01 23:36:01,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:36:01,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2151 states to 1859 states and 2151 transitions. [2019-12-01 23:36:01,656 INFO L276 IsEmpty]: Start isEmpty. Operand 1859 states and 2151 transitions. [2019-12-01 23:36:01,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2019-12-01 23:36:01,657 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:36:01,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:36:01,731 INFO L134 CoverageAnalysis]: Checked inductivity of 134 backedges. 105 proven. 5 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2019-12-01 23:36:02,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:36:02,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2165 states to 1873 states and 2165 transitions. [2019-12-01 23:36:02,439 INFO L276 IsEmpty]: Start isEmpty. Operand 1873 states and 2165 transitions. [2019-12-01 23:36:02,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 187 [2019-12-01 23:36:02,440 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:36:02,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:36:02,509 INFO L134 CoverageAnalysis]: Checked inductivity of 134 backedges. 105 proven. 5 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2019-12-01 23:36:03,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:36:03,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2195 states to 1903 states and 2195 transitions. [2019-12-01 23:36:03,764 INFO L276 IsEmpty]: Start isEmpty. Operand 1903 states and 2195 transitions. [2019-12-01 23:36:03,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2019-12-01 23:36:03,765 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:36:03,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:36:03,828 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 52 proven. 16 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2019-12-01 23:36:04,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:36:04,155 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2219 states to 1920 states and 2219 transitions. [2019-12-01 23:36:04,155 INFO L276 IsEmpty]: Start isEmpty. Operand 1920 states and 2219 transitions. [2019-12-01 23:36:04,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2019-12-01 23:36:04,156 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:36:04,165 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:36:04,473 INFO L134 CoverageAnalysis]: Checked inductivity of 156 backedges. 120 proven. 25 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-12-01 23:36:06,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:36:06,549 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2254 states to 1953 states and 2254 transitions. [2019-12-01 23:36:06,549 INFO L276 IsEmpty]: Start isEmpty. Operand 1953 states and 2254 transitions. [2019-12-01 23:36:06,550 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2019-12-01 23:36:06,550 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:36:06,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:36:07,379 INFO L134 CoverageAnalysis]: Checked inductivity of 137 backedges. 136 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-12-01 23:36:09,331 WARN L192 SmtUtils]: Spent 158.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 41 [2019-12-01 23:36:11,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:36:11,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2256 states to 1954 states and 2256 transitions. [2019-12-01 23:36:11,209 INFO L276 IsEmpty]: Start isEmpty. Operand 1954 states and 2256 transitions. [2019-12-01 23:36:11,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2019-12-01 23:36:11,211 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:36:11,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:36:11,359 INFO L134 CoverageAnalysis]: Checked inductivity of 137 backedges. 136 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-12-01 23:36:12,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:36:12,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2266 states to 1964 states and 2266 transitions. [2019-12-01 23:36:12,876 INFO L276 IsEmpty]: Start isEmpty. Operand 1964 states and 2266 transitions. [2019-12-01 23:36:12,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2019-12-01 23:36:12,877 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:36:12,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:36:12,918 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 124 proven. 0 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2019-12-01 23:36:13,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:36:13,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2281 states to 1978 states and 2281 transitions. [2019-12-01 23:36:13,504 INFO L276 IsEmpty]: Start isEmpty. Operand 1978 states and 2281 transitions. [2019-12-01 23:36:13,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2019-12-01 23:36:13,505 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:36:13,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:36:13,546 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 121 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2019-12-01 23:36:13,962 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:36:13,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2341 states to 2037 states and 2341 transitions. [2019-12-01 23:36:13,963 INFO L276 IsEmpty]: Start isEmpty. Operand 2037 states and 2341 transitions. [2019-12-01 23:36:13,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2019-12-01 23:36:13,964 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:36:13,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:36:14,198 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 144 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-12-01 23:36:14,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:36:14,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2359 states to 2053 states and 2359 transitions. [2019-12-01 23:36:14,773 INFO L276 IsEmpty]: Start isEmpty. Operand 2053 states and 2359 transitions. [2019-12-01 23:36:14,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 196 [2019-12-01 23:36:14,774 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:36:14,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:36:14,828 INFO L134 CoverageAnalysis]: Checked inductivity of 181 backedges. 141 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2019-12-01 23:36:15,433 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:36:15,434 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2369 states to 2059 states and 2369 transitions. [2019-12-01 23:36:15,434 INFO L276 IsEmpty]: Start isEmpty. Operand 2059 states and 2369 transitions. [2019-12-01 23:36:15,435 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2019-12-01 23:36:15,435 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:36:15,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:36:15,477 INFO L134 CoverageAnalysis]: Checked inductivity of 192 backedges. 173 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2019-12-01 23:36:15,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:36:15,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2370 states to 2060 states and 2370 transitions. [2019-12-01 23:36:15,803 INFO L276 IsEmpty]: Start isEmpty. Operand 2060 states and 2370 transitions. [2019-12-01 23:36:15,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2019-12-01 23:36:15,804 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:36:15,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:36:15,871 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 161 proven. 4 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2019-12-01 23:36:18,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:36:18,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2416 states to 2099 states and 2416 transitions. [2019-12-01 23:36:18,097 INFO L276 IsEmpty]: Start isEmpty. Operand 2099 states and 2416 transitions. [2019-12-01 23:36:18,099 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2019-12-01 23:36:18,099 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:36:18,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:36:18,174 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 161 proven. 4 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2019-12-01 23:36:18,733 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:36:18,735 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2432 states to 2115 states and 2432 transitions. [2019-12-01 23:36:18,736 INFO L276 IsEmpty]: Start isEmpty. Operand 2115 states and 2432 transitions. [2019-12-01 23:36:18,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2019-12-01 23:36:18,739 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:36:18,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:36:18,836 INFO L134 CoverageAnalysis]: Checked inductivity of 180 backedges. 161 proven. 4 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2019-12-01 23:36:19,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:36:19,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2446 states to 2129 states and 2446 transitions. [2019-12-01 23:36:19,279 INFO L276 IsEmpty]: Start isEmpty. Operand 2129 states and 2446 transitions. [2019-12-01 23:36:19,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2019-12-01 23:36:19,281 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:36:19,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:36:19,354 INFO L134 CoverageAnalysis]: Checked inductivity of 223 backedges. 149 proven. 0 refuted. 0 times theorem prover too weak. 74 trivial. 0 not checked. [2019-12-01 23:36:19,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:36:19,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2457 states to 2138 states and 2457 transitions. [2019-12-01 23:36:19,767 INFO L276 IsEmpty]: Start isEmpty. Operand 2138 states and 2457 transitions. [2019-12-01 23:36:19,768 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2019-12-01 23:36:19,768 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:36:19,778 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:36:19,826 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 158 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-12-01 23:36:23,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:36:23,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2504 states to 2177 states and 2504 transitions. [2019-12-01 23:36:23,360 INFO L276 IsEmpty]: Start isEmpty. Operand 2177 states and 2504 transitions. [2019-12-01 23:36:23,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2019-12-01 23:36:23,362 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:36:23,384 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:36:23,439 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 158 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-12-01 23:36:23,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:36:23,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2519 states to 2193 states and 2519 transitions. [2019-12-01 23:36:23,708 INFO L276 IsEmpty]: Start isEmpty. Operand 2193 states and 2519 transitions. [2019-12-01 23:36:23,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2019-12-01 23:36:23,710 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:36:23,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:36:23,782 INFO L134 CoverageAnalysis]: Checked inductivity of 209 backedges. 184 proven. 4 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2019-12-01 23:36:24,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:36:24,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2523 states to 2197 states and 2523 transitions. [2019-12-01 23:36:24,096 INFO L276 IsEmpty]: Start isEmpty. Operand 2197 states and 2523 transitions. [2019-12-01 23:36:24,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2019-12-01 23:36:24,098 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:36:24,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:36:24,155 INFO L134 CoverageAnalysis]: Checked inductivity of 175 backedges. 175 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 23:36:25,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:36:25,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2547 states to 2216 states and 2547 transitions. [2019-12-01 23:36:25,030 INFO L276 IsEmpty]: Start isEmpty. Operand 2216 states and 2547 transitions. [2019-12-01 23:36:25,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2019-12-01 23:36:25,031 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:36:25,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:36:25,090 INFO L134 CoverageAnalysis]: Checked inductivity of 175 backedges. 175 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 23:36:25,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:36:25,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2560 states to 2230 states and 2560 transitions. [2019-12-01 23:36:25,294 INFO L276 IsEmpty]: Start isEmpty. Operand 2230 states and 2560 transitions. [2019-12-01 23:36:25,295 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2019-12-01 23:36:25,295 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:36:25,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:36:25,350 INFO L134 CoverageAnalysis]: Checked inductivity of 175 backedges. 175 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 23:36:25,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:36:25,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2575 states to 2246 states and 2575 transitions. [2019-12-01 23:36:25,568 INFO L276 IsEmpty]: Start isEmpty. Operand 2246 states and 2575 transitions. [2019-12-01 23:36:25,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2019-12-01 23:36:25,569 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:36:25,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:36:25,647 INFO L134 CoverageAnalysis]: Checked inductivity of 184 backedges. 123 proven. 13 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2019-12-01 23:36:26,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:36:26,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2593 states to 2261 states and 2593 transitions. [2019-12-01 23:36:26,094 INFO L276 IsEmpty]: Start isEmpty. Operand 2261 states and 2593 transitions. [2019-12-01 23:36:26,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2019-12-01 23:36:26,095 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:36:26,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:36:26,153 INFO L134 CoverageAnalysis]: Checked inductivity of 192 backedges. 175 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2019-12-01 23:36:26,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:36:26,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2600 states to 2267 states and 2600 transitions. [2019-12-01 23:36:26,491 INFO L276 IsEmpty]: Start isEmpty. Operand 2267 states and 2600 transitions. [2019-12-01 23:36:26,492 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2019-12-01 23:36:26,492 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:36:26,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:36:26,563 INFO L134 CoverageAnalysis]: Checked inductivity of 211 backedges. 149 proven. 13 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2019-12-01 23:36:26,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:36:26,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2607 states to 2273 states and 2607 transitions. [2019-12-01 23:36:26,928 INFO L276 IsEmpty]: Start isEmpty. Operand 2273 states and 2607 transitions. [2019-12-01 23:36:26,929 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2019-12-01 23:36:26,929 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:36:26,940 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:36:28,435 INFO L134 CoverageAnalysis]: Checked inductivity of 183 backedges. 173 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2019-12-01 23:36:30,380 WARN L192 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 40 [2019-12-01 23:36:32,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:36:32,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2636 states to 2300 states and 2636 transitions. [2019-12-01 23:36:32,406 INFO L276 IsEmpty]: Start isEmpty. Operand 2300 states and 2636 transitions. [2019-12-01 23:36:32,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 225 [2019-12-01 23:36:32,408 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:36:32,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:36:32,564 INFO L134 CoverageAnalysis]: Checked inductivity of 215 backedges. 194 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2019-12-01 23:36:39,765 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:36:39,766 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2688 states to 2351 states and 2688 transitions. [2019-12-01 23:36:39,766 INFO L276 IsEmpty]: Start isEmpty. Operand 2351 states and 2688 transitions. [2019-12-01 23:36:39,767 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 225 [2019-12-01 23:36:39,767 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:36:39,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:36:39,942 INFO L134 CoverageAnalysis]: Checked inductivity of 215 backedges. 194 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2019-12-01 23:36:44,673 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:36:44,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2738 states to 2402 states and 2738 transitions. [2019-12-01 23:36:44,675 INFO L276 IsEmpty]: Start isEmpty. Operand 2402 states and 2738 transitions. [2019-12-01 23:36:44,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 225 [2019-12-01 23:36:44,676 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:36:44,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:36:44,834 INFO L134 CoverageAnalysis]: Checked inductivity of 215 backedges. 194 proven. 0 refuted. 0 times theorem prover too weak. 21 trivial. 0 not checked. [2019-12-01 23:36:52,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:36:52,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2799 states to 2464 states and 2799 transitions. [2019-12-01 23:36:52,700 INFO L276 IsEmpty]: Start isEmpty. Operand 2464 states and 2799 transitions. [2019-12-01 23:36:52,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2019-12-01 23:36:52,701 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:36:52,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:36:52,852 INFO L134 CoverageAnalysis]: Checked inductivity of 219 backedges. 149 proven. 3 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2019-12-01 23:36:53,790 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:36:53,791 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2820 states to 2484 states and 2820 transitions. [2019-12-01 23:36:53,791 INFO L276 IsEmpty]: Start isEmpty. Operand 2484 states and 2820 transitions. [2019-12-01 23:36:53,792 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 237 [2019-12-01 23:36:53,792 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:36:53,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:36:53,907 INFO L134 CoverageAnalysis]: Checked inductivity of 270 backedges. 239 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2019-12-01 23:36:55,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:36:55,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2855 states to 2514 states and 2855 transitions. [2019-12-01 23:36:55,389 INFO L276 IsEmpty]: Start isEmpty. Operand 2514 states and 2855 transitions. [2019-12-01 23:36:55,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 237 [2019-12-01 23:36:55,390 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:36:55,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:36:55,490 INFO L134 CoverageAnalysis]: Checked inductivity of 270 backedges. 239 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2019-12-01 23:36:56,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:36:56,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2866 states to 2526 states and 2866 transitions. [2019-12-01 23:36:56,480 INFO L276 IsEmpty]: Start isEmpty. Operand 2526 states and 2866 transitions. [2019-12-01 23:36:56,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 240 [2019-12-01 23:36:56,482 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:36:56,508 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:36:56,544 INFO L134 CoverageAnalysis]: Checked inductivity of 264 backedges. 156 proven. 0 refuted. 0 times theorem prover too weak. 108 trivial. 0 not checked. [2019-12-01 23:36:56,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:36:56,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2869 states to 2529 states and 2869 transitions. [2019-12-01 23:36:56,797 INFO L276 IsEmpty]: Start isEmpty. Operand 2529 states and 2869 transitions. [2019-12-01 23:36:56,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 241 [2019-12-01 23:36:56,798 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:36:56,811 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:36:56,874 INFO L134 CoverageAnalysis]: Checked inductivity of 236 backedges. 0 proven. 52 refuted. 0 times theorem prover too weak. 184 trivial. 0 not checked. [2019-12-01 23:36:57,322 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:36:57,323 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2869 states to 2530 states and 2869 transitions. [2019-12-01 23:36:57,323 INFO L276 IsEmpty]: Start isEmpty. Operand 2530 states and 2869 transitions. [2019-12-01 23:36:57,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 241 [2019-12-01 23:36:57,325 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:36:57,338 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:36:57,401 INFO L134 CoverageAnalysis]: Checked inductivity of 236 backedges. 0 proven. 52 refuted. 0 times theorem prover too weak. 184 trivial. 0 not checked. [2019-12-01 23:36:57,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:36:57,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2869 states to 2531 states and 2869 transitions. [2019-12-01 23:36:57,660 INFO L276 IsEmpty]: Start isEmpty. Operand 2531 states and 2869 transitions. [2019-12-01 23:36:57,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 243 [2019-12-01 23:36:57,662 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:36:57,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:36:57,707 INFO L134 CoverageAnalysis]: Checked inductivity of 285 backedges. 206 proven. 0 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2019-12-01 23:36:58,234 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:36:58,235 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2881 states to 2543 states and 2881 transitions. [2019-12-01 23:36:58,235 INFO L276 IsEmpty]: Start isEmpty. Operand 2543 states and 2881 transitions. [2019-12-01 23:36:58,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 246 [2019-12-01 23:36:58,236 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:36:58,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:36:58,478 INFO L134 CoverageAnalysis]: Checked inductivity of 286 backedges. 189 proven. 26 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2019-12-01 23:37:02,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:37:02,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2935 states to 2591 states and 2935 transitions. [2019-12-01 23:37:02,306 INFO L276 IsEmpty]: Start isEmpty. Operand 2591 states and 2935 transitions. [2019-12-01 23:37:02,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 246 [2019-12-01 23:37:02,307 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:37:02,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:37:02,371 INFO L134 CoverageAnalysis]: Checked inductivity of 286 backedges. 189 proven. 26 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2019-12-01 23:37:02,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:37:02,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2945 states to 2601 states and 2945 transitions. [2019-12-01 23:37:02,877 INFO L276 IsEmpty]: Start isEmpty. Operand 2601 states and 2945 transitions. [2019-12-01 23:37:02,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 250 [2019-12-01 23:37:02,878 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:37:02,892 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:37:03,021 INFO L134 CoverageAnalysis]: Checked inductivity of 294 backedges. 265 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2019-12-01 23:37:04,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:37:04,227 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2982 states to 2637 states and 2982 transitions. [2019-12-01 23:37:04,227 INFO L276 IsEmpty]: Start isEmpty. Operand 2637 states and 2982 transitions. [2019-12-01 23:37:04,229 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 250 [2019-12-01 23:37:04,229 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:37:04,243 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:37:04,377 INFO L134 CoverageAnalysis]: Checked inductivity of 294 backedges. 265 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2019-12-01 23:37:04,434 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:37:04,435 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2991 states to 2646 states and 2991 transitions. [2019-12-01 23:37:04,435 INFO L276 IsEmpty]: Start isEmpty. Operand 2646 states and 2991 transitions. [2019-12-01 23:37:04,436 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 252 [2019-12-01 23:37:04,436 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:37:04,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:37:04,530 INFO L134 CoverageAnalysis]: Checked inductivity of 268 backedges. 168 proven. 6 refuted. 0 times theorem prover too weak. 94 trivial. 0 not checked. [2019-12-01 23:37:04,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:37:04,741 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3002 states to 2657 states and 3002 transitions. [2019-12-01 23:37:04,741 INFO L276 IsEmpty]: Start isEmpty. Operand 2657 states and 3002 transitions. [2019-12-01 23:37:04,742 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 253 [2019-12-01 23:37:04,742 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:37:04,752 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:37:04,791 INFO L134 CoverageAnalysis]: Checked inductivity of 302 backedges. 223 proven. 0 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2019-12-01 23:37:05,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:37:05,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3016 states to 2667 states and 3016 transitions. [2019-12-01 23:37:05,285 INFO L276 IsEmpty]: Start isEmpty. Operand 2667 states and 3016 transitions. [2019-12-01 23:37:05,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 253 [2019-12-01 23:37:05,286 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:37:05,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:37:05,335 INFO L134 CoverageAnalysis]: Checked inductivity of 302 backedges. 223 proven. 0 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2019-12-01 23:37:05,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:37:05,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3029 states to 2681 states and 3029 transitions. [2019-12-01 23:37:05,826 INFO L276 IsEmpty]: Start isEmpty. Operand 2681 states and 3029 transitions. [2019-12-01 23:37:05,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 253 [2019-12-01 23:37:05,828 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:37:05,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:37:05,876 INFO L134 CoverageAnalysis]: Checked inductivity of 302 backedges. 223 proven. 0 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2019-12-01 23:37:06,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:37:06,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3044 states to 2697 states and 3044 transitions. [2019-12-01 23:37:06,185 INFO L276 IsEmpty]: Start isEmpty. Operand 2697 states and 3044 transitions. [2019-12-01 23:37:06,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 253 [2019-12-01 23:37:06,186 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:37:06,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:37:06,235 INFO L134 CoverageAnalysis]: Checked inductivity of 302 backedges. 223 proven. 0 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2019-12-01 23:37:06,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:37:06,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3059 states to 2713 states and 3059 transitions. [2019-12-01 23:37:06,731 INFO L276 IsEmpty]: Start isEmpty. Operand 2713 states and 3059 transitions. [2019-12-01 23:37:06,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 255 [2019-12-01 23:37:06,732 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:37:06,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:37:06,795 INFO L134 CoverageAnalysis]: Checked inductivity of 302 backedges. 231 proven. 0 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2019-12-01 23:37:15,105 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:37:15,106 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3106 states to 2751 states and 3106 transitions. [2019-12-01 23:37:15,106 INFO L276 IsEmpty]: Start isEmpty. Operand 2751 states and 3106 transitions. [2019-12-01 23:37:15,107 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 255 [2019-12-01 23:37:15,107 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:37:15,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:37:15,156 INFO L134 CoverageAnalysis]: Checked inductivity of 302 backedges. 231 proven. 0 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2019-12-01 23:37:19,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:37:19,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3139 states to 2783 states and 3139 transitions. [2019-12-01 23:37:19,567 INFO L276 IsEmpty]: Start isEmpty. Operand 2783 states and 3139 transitions. [2019-12-01 23:37:19,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 256 [2019-12-01 23:37:19,570 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:37:19,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:37:19,644 INFO L134 CoverageAnalysis]: Checked inductivity of 303 backedges. 203 proven. 0 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2019-12-01 23:37:20,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:37:20,935 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3142 states to 2787 states and 3142 transitions. [2019-12-01 23:37:20,935 INFO L276 IsEmpty]: Start isEmpty. Operand 2787 states and 3142 transitions. [2019-12-01 23:37:20,937 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 256 [2019-12-01 23:37:20,937 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:37:20,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:37:20,991 INFO L134 CoverageAnalysis]: Checked inductivity of 303 backedges. 203 proven. 0 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2019-12-01 23:37:21,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:37:21,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3144 states to 2790 states and 3144 transitions. [2019-12-01 23:37:21,237 INFO L276 IsEmpty]: Start isEmpty. Operand 2790 states and 3144 transitions. [2019-12-01 23:37:21,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 257 [2019-12-01 23:37:21,239 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:37:21,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:37:21,323 INFO L134 CoverageAnalysis]: Checked inductivity of 321 backedges. 267 proven. 0 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2019-12-01 23:37:22,691 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:37:22,692 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3171 states to 2814 states and 3171 transitions. [2019-12-01 23:37:22,692 INFO L276 IsEmpty]: Start isEmpty. Operand 2814 states and 3171 transitions. [2019-12-01 23:37:22,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 257 [2019-12-01 23:37:22,694 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:37:22,708 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:37:22,777 INFO L134 CoverageAnalysis]: Checked inductivity of 321 backedges. 267 proven. 0 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2019-12-01 23:37:23,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:37:23,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3187 states to 2830 states and 3187 transitions. [2019-12-01 23:37:23,481 INFO L276 IsEmpty]: Start isEmpty. Operand 2830 states and 3187 transitions. [2019-12-01 23:37:23,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 257 [2019-12-01 23:37:23,483 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:37:23,497 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:37:23,588 INFO L134 CoverageAnalysis]: Checked inductivity of 321 backedges. 267 proven. 0 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2019-12-01 23:37:23,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:37:23,880 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3202 states to 2846 states and 3202 transitions. [2019-12-01 23:37:23,880 INFO L276 IsEmpty]: Start isEmpty. Operand 2846 states and 3202 transitions. [2019-12-01 23:37:23,881 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 257 [2019-12-01 23:37:23,881 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:37:23,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:37:23,968 INFO L134 CoverageAnalysis]: Checked inductivity of 321 backedges. 267 proven. 0 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2019-12-01 23:37:24,258 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:37:24,259 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3215 states to 2860 states and 3215 transitions. [2019-12-01 23:37:24,259 INFO L276 IsEmpty]: Start isEmpty. Operand 2860 states and 3215 transitions. [2019-12-01 23:37:24,261 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 257 [2019-12-01 23:37:24,261 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:37:24,275 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:37:24,345 INFO L134 CoverageAnalysis]: Checked inductivity of 321 backedges. 267 proven. 0 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2019-12-01 23:37:24,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:37:24,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3230 states to 2876 states and 3230 transitions. [2019-12-01 23:37:24,667 INFO L276 IsEmpty]: Start isEmpty. Operand 2876 states and 3230 transitions. [2019-12-01 23:37:24,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 259 [2019-12-01 23:37:24,669 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:37:24,690 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:37:24,798 INFO L134 CoverageAnalysis]: Checked inductivity of 307 backedges. 228 proven. 4 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2019-12-01 23:37:26,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:37:26,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3258 states to 2898 states and 3258 transitions. [2019-12-01 23:37:26,715 INFO L276 IsEmpty]: Start isEmpty. Operand 2898 states and 3258 transitions. [2019-12-01 23:37:26,717 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 259 [2019-12-01 23:37:26,717 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:37:26,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:37:26,849 INFO L134 CoverageAnalysis]: Checked inductivity of 307 backedges. 228 proven. 4 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2019-12-01 23:37:29,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:37:29,065 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3262 states to 2902 states and 3262 transitions. [2019-12-01 23:37:29,065 INFO L276 IsEmpty]: Start isEmpty. Operand 2902 states and 3262 transitions. [2019-12-01 23:37:29,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 259 [2019-12-01 23:37:29,067 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:37:29,081 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:37:29,190 INFO L134 CoverageAnalysis]: Checked inductivity of 307 backedges. 228 proven. 4 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2019-12-01 23:37:30,562 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:37:30,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3281 states to 2918 states and 3281 transitions. [2019-12-01 23:37:30,564 INFO L276 IsEmpty]: Start isEmpty. Operand 2918 states and 3281 transitions. [2019-12-01 23:37:30,565 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 262 [2019-12-01 23:37:30,565 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:37:30,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:37:30,735 INFO L134 CoverageAnalysis]: Checked inductivity of 308 backedges. 236 proven. 0 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2019-12-01 23:37:38,098 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:37:38,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3345 states to 2980 states and 3345 transitions. [2019-12-01 23:37:38,101 INFO L276 IsEmpty]: Start isEmpty. Operand 2980 states and 3345 transitions. [2019-12-01 23:37:38,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 262 [2019-12-01 23:37:38,104 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:37:38,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:37:38,293 INFO L134 CoverageAnalysis]: Checked inductivity of 308 backedges. 236 proven. 0 refuted. 0 times theorem prover too weak. 72 trivial. 0 not checked. [2019-12-01 23:37:47,625 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:37:47,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3385 states to 3022 states and 3385 transitions. [2019-12-01 23:37:47,627 INFO L276 IsEmpty]: Start isEmpty. Operand 3022 states and 3385 transitions. [2019-12-01 23:37:47,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 266 [2019-12-01 23:37:47,629 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:37:47,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:37:47,767 INFO L134 CoverageAnalysis]: Checked inductivity of 323 backedges. 248 proven. 0 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2019-12-01 23:37:49,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:37:49,444 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3434 states to 3068 states and 3434 transitions. [2019-12-01 23:37:49,444 INFO L276 IsEmpty]: Start isEmpty. Operand 3068 states and 3434 transitions. [2019-12-01 23:37:49,446 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 266 [2019-12-01 23:37:49,447 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:37:49,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:37:49,601 INFO L134 CoverageAnalysis]: Checked inductivity of 323 backedges. 248 proven. 0 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2019-12-01 23:37:52,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:37:52,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3450 states to 3084 states and 3450 transitions. [2019-12-01 23:37:52,902 INFO L276 IsEmpty]: Start isEmpty. Operand 3084 states and 3450 transitions. [2019-12-01 23:37:52,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 266 [2019-12-01 23:37:52,904 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:37:52,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:37:53,039 INFO L134 CoverageAnalysis]: Checked inductivity of 323 backedges. 248 proven. 0 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2019-12-01 23:37:54,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:37:54,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3463 states to 3098 states and 3463 transitions. [2019-12-01 23:37:54,217 INFO L276 IsEmpty]: Start isEmpty. Operand 3098 states and 3463 transitions. [2019-12-01 23:37:54,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 266 [2019-12-01 23:37:54,219 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:37:54,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:37:54,374 INFO L134 CoverageAnalysis]: Checked inductivity of 323 backedges. 248 proven. 0 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2019-12-01 23:37:55,828 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:37:55,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3478 states to 3114 states and 3478 transitions. [2019-12-01 23:37:55,830 INFO L276 IsEmpty]: Start isEmpty. Operand 3114 states and 3478 transitions. [2019-12-01 23:37:55,833 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 268 [2019-12-01 23:37:55,833 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:37:55,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:37:55,939 INFO L134 CoverageAnalysis]: Checked inductivity of 324 backedges. 78 proven. 32 refuted. 0 times theorem prover too weak. 214 trivial. 0 not checked. [2019-12-01 23:37:57,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:37:57,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3496 states to 3130 states and 3496 transitions. [2019-12-01 23:37:57,271 INFO L276 IsEmpty]: Start isEmpty. Operand 3130 states and 3496 transitions. [2019-12-01 23:37:57,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 268 [2019-12-01 23:37:57,272 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:37:57,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:37:57,376 INFO L134 CoverageAnalysis]: Checked inductivity of 324 backedges. 78 proven. 32 refuted. 0 times theorem prover too weak. 214 trivial. 0 not checked. [2019-12-01 23:37:58,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:37:58,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3501 states to 3134 states and 3501 transitions. [2019-12-01 23:37:58,595 INFO L276 IsEmpty]: Start isEmpty. Operand 3134 states and 3501 transitions. [2019-12-01 23:37:58,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 268 [2019-12-01 23:37:58,597 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:37:58,611 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:37:58,701 INFO L134 CoverageAnalysis]: Checked inductivity of 324 backedges. 78 proven. 32 refuted. 0 times theorem prover too weak. 214 trivial. 0 not checked. [2019-12-01 23:37:59,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:37:59,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3501 states to 3135 states and 3501 transitions. [2019-12-01 23:37:59,890 INFO L276 IsEmpty]: Start isEmpty. Operand 3135 states and 3501 transitions. [2019-12-01 23:37:59,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 270 [2019-12-01 23:37:59,892 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:37:59,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:38:00,007 INFO L134 CoverageAnalysis]: Checked inductivity of 345 backedges. 305 proven. 4 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2019-12-01 23:38:01,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:38:01,747 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3536 states to 3169 states and 3536 transitions. [2019-12-01 23:38:01,747 INFO L276 IsEmpty]: Start isEmpty. Operand 3169 states and 3536 transitions. [2019-12-01 23:38:01,750 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 270 [2019-12-01 23:38:01,750 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:38:01,773 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:38:01,854 INFO L134 CoverageAnalysis]: Checked inductivity of 345 backedges. 305 proven. 4 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2019-12-01 23:38:02,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:38:02,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3551 states to 3185 states and 3551 transitions. [2019-12-01 23:38:02,407 INFO L276 IsEmpty]: Start isEmpty. Operand 3185 states and 3551 transitions. [2019-12-01 23:38:02,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 270 [2019-12-01 23:38:02,409 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:38:02,423 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:38:02,503 INFO L134 CoverageAnalysis]: Checked inductivity of 345 backedges. 305 proven. 4 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2019-12-01 23:38:03,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:38:03,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3564 states to 3199 states and 3564 transitions. [2019-12-01 23:38:03,030 INFO L276 IsEmpty]: Start isEmpty. Operand 3199 states and 3564 transitions. [2019-12-01 23:38:03,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 273 [2019-12-01 23:38:03,031 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:38:03,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:38:03,090 INFO L134 CoverageAnalysis]: Checked inductivity of 354 backedges. 237 proven. 0 refuted. 0 times theorem prover too weak. 117 trivial. 0 not checked. [2019-12-01 23:38:03,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:38:03,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3567 states to 3203 states and 3567 transitions. [2019-12-01 23:38:03,666 INFO L276 IsEmpty]: Start isEmpty. Operand 3203 states and 3567 transitions. [2019-12-01 23:38:03,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 273 [2019-12-01 23:38:03,668 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:38:03,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:38:03,726 INFO L134 CoverageAnalysis]: Checked inductivity of 354 backedges. 237 proven. 0 refuted. 0 times theorem prover too weak. 117 trivial. 0 not checked. [2019-12-01 23:38:04,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:38:04,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3569 states to 3206 states and 3569 transitions. [2019-12-01 23:38:04,025 INFO L276 IsEmpty]: Start isEmpty. Operand 3206 states and 3569 transitions. [2019-12-01 23:38:04,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 273 [2019-12-01 23:38:04,026 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:38:04,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:38:04,085 INFO L134 CoverageAnalysis]: Checked inductivity of 354 backedges. 237 proven. 0 refuted. 0 times theorem prover too weak. 117 trivial. 0 not checked. [2019-12-01 23:38:04,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:38:04,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3575 states to 3213 states and 3575 transitions. [2019-12-01 23:38:04,702 INFO L276 IsEmpty]: Start isEmpty. Operand 3213 states and 3575 transitions. [2019-12-01 23:38:04,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 273 [2019-12-01 23:38:04,703 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:38:04,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:38:04,762 INFO L134 CoverageAnalysis]: Checked inductivity of 354 backedges. 237 proven. 0 refuted. 0 times theorem prover too weak. 117 trivial. 0 not checked. [2019-12-01 23:38:04,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:38:04,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3578 states to 3217 states and 3578 transitions. [2019-12-01 23:38:04,814 INFO L276 IsEmpty]: Start isEmpty. Operand 3217 states and 3578 transitions. [2019-12-01 23:38:04,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 274 [2019-12-01 23:38:04,816 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:38:04,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:38:04,874 INFO L134 CoverageAnalysis]: Checked inductivity of 375 backedges. 281 proven. 0 refuted. 0 times theorem prover too weak. 94 trivial. 0 not checked. [2019-12-01 23:38:05,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:38:05,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3590 states to 3227 states and 3590 transitions. [2019-12-01 23:38:05,115 INFO L276 IsEmpty]: Start isEmpty. Operand 3227 states and 3590 transitions. [2019-12-01 23:38:05,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 277 [2019-12-01 23:38:05,116 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:38:05,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:38:06,619 INFO L134 CoverageAnalysis]: Checked inductivity of 411 backedges. 282 proven. 28 refuted. 0 times theorem prover too weak. 101 trivial. 0 not checked. [2019-12-01 23:38:11,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:38:11,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3619 states to 3247 states and 3619 transitions. [2019-12-01 23:38:11,574 INFO L276 IsEmpty]: Start isEmpty. Operand 3247 states and 3619 transitions. [2019-12-01 23:38:11,575 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 279 [2019-12-01 23:38:11,575 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:38:11,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:38:11,689 INFO L134 CoverageAnalysis]: Checked inductivity of 376 backedges. 266 proven. 8 refuted. 0 times theorem prover too weak. 102 trivial. 0 not checked. [2019-12-01 23:38:12,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:38:12,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3623 states to 3252 states and 3623 transitions. [2019-12-01 23:38:12,010 INFO L276 IsEmpty]: Start isEmpty. Operand 3252 states and 3623 transitions. [2019-12-01 23:38:12,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 279 [2019-12-01 23:38:12,012 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:38:12,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:38:12,123 INFO L134 CoverageAnalysis]: Checked inductivity of 376 backedges. 266 proven. 8 refuted. 0 times theorem prover too weak. 102 trivial. 0 not checked. [2019-12-01 23:38:13,871 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:38:13,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3689 states to 3315 states and 3689 transitions. [2019-12-01 23:38:13,875 INFO L276 IsEmpty]: Start isEmpty. Operand 3315 states and 3689 transitions. [2019-12-01 23:38:13,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 279 [2019-12-01 23:38:13,900 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:38:13,914 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:38:14,011 INFO L134 CoverageAnalysis]: Checked inductivity of 376 backedges. 266 proven. 8 refuted. 0 times theorem prover too weak. 102 trivial. 0 not checked. [2019-12-01 23:38:14,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:38:14,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3710 states to 3337 states and 3710 transitions. [2019-12-01 23:38:14,123 INFO L276 IsEmpty]: Start isEmpty. Operand 3337 states and 3710 transitions. [2019-12-01 23:38:14,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 279 [2019-12-01 23:38:14,124 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:38:14,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:38:17,373 INFO L134 CoverageAnalysis]: Checked inductivity of 359 backedges. 284 proven. 0 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2019-12-01 23:38:21,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:38:21,322 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3728 states to 3353 states and 3728 transitions. [2019-12-01 23:38:21,322 INFO L276 IsEmpty]: Start isEmpty. Operand 3353 states and 3728 transitions. [2019-12-01 23:38:21,324 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 279 [2019-12-01 23:38:21,324 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:38:21,335 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:38:21,547 INFO L134 CoverageAnalysis]: Checked inductivity of 359 backedges. 284 proven. 0 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2019-12-01 23:38:29,520 WARN L192 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 35 [2019-12-01 23:38:30,410 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:38:30,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3789 states to 3412 states and 3789 transitions. [2019-12-01 23:38:30,413 INFO L276 IsEmpty]: Start isEmpty. Operand 3412 states and 3789 transitions. [2019-12-01 23:38:30,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 279 [2019-12-01 23:38:30,416 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:38:30,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:38:30,641 INFO L134 CoverageAnalysis]: Checked inductivity of 359 backedges. 284 proven. 0 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2019-12-01 23:38:34,966 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:38:34,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3804 states to 3428 states and 3804 transitions. [2019-12-01 23:38:34,968 INFO L276 IsEmpty]: Start isEmpty. Operand 3428 states and 3804 transitions. [2019-12-01 23:38:34,970 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 279 [2019-12-01 23:38:34,970 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:38:34,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:38:35,210 INFO L134 CoverageAnalysis]: Checked inductivity of 359 backedges. 284 proven. 0 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2019-12-01 23:38:42,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:38:42,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3835 states to 3460 states and 3835 transitions. [2019-12-01 23:38:42,513 INFO L276 IsEmpty]: Start isEmpty. Operand 3460 states and 3835 transitions. [2019-12-01 23:38:42,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 287 [2019-12-01 23:38:42,516 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:38:42,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:38:42,620 INFO L134 CoverageAnalysis]: Checked inductivity of 412 backedges. 311 proven. 0 refuted. 0 times theorem prover too weak. 101 trivial. 0 not checked. [2019-12-01 23:38:43,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:38:43,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3865 states to 3491 states and 3865 transitions. [2019-12-01 23:38:43,024 INFO L276 IsEmpty]: Start isEmpty. Operand 3491 states and 3865 transitions. [2019-12-01 23:38:43,025 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 287 [2019-12-01 23:38:43,025 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:38:43,040 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:38:43,124 INFO L134 CoverageAnalysis]: Checked inductivity of 412 backedges. 311 proven. 0 refuted. 0 times theorem prover too weak. 101 trivial. 0 not checked. [2019-12-01 23:38:43,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:38:43,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3880 states to 3507 states and 3880 transitions. [2019-12-01 23:38:43,756 INFO L276 IsEmpty]: Start isEmpty. Operand 3507 states and 3880 transitions. [2019-12-01 23:38:43,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 290 [2019-12-01 23:38:43,757 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:38:43,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:38:43,819 INFO L134 CoverageAnalysis]: Checked inductivity of 435 backedges. 305 proven. 0 refuted. 0 times theorem prover too weak. 130 trivial. 0 not checked. [2019-12-01 23:38:45,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:38:45,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3892 states to 3515 states and 3892 transitions. [2019-12-01 23:38:45,502 INFO L276 IsEmpty]: Start isEmpty. Operand 3515 states and 3892 transitions. [2019-12-01 23:38:45,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 299 [2019-12-01 23:38:45,504 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:38:45,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:38:45,601 INFO L134 CoverageAnalysis]: Checked inductivity of 473 backedges. 344 proven. 4 refuted. 0 times theorem prover too weak. 125 trivial. 0 not checked. [2019-12-01 23:38:48,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:38:48,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3929 states to 3547 states and 3929 transitions. [2019-12-01 23:38:48,446 INFO L276 IsEmpty]: Start isEmpty. Operand 3547 states and 3929 transitions. [2019-12-01 23:38:48,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 299 [2019-12-01 23:38:48,448 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:38:48,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:38:48,545 INFO L134 CoverageAnalysis]: Checked inductivity of 473 backedges. 344 proven. 4 refuted. 0 times theorem prover too weak. 125 trivial. 0 not checked. [2019-12-01 23:38:50,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:38:50,900 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3944 states to 3563 states and 3944 transitions. [2019-12-01 23:38:50,900 INFO L276 IsEmpty]: Start isEmpty. Operand 3563 states and 3944 transitions. [2019-12-01 23:38:50,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 299 [2019-12-01 23:38:50,902 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:38:50,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:38:50,998 INFO L134 CoverageAnalysis]: Checked inductivity of 473 backedges. 344 proven. 4 refuted. 0 times theorem prover too weak. 125 trivial. 0 not checked. [2019-12-01 23:38:51,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:38:51,643 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3959 states to 3579 states and 3959 transitions. [2019-12-01 23:38:51,643 INFO L276 IsEmpty]: Start isEmpty. Operand 3579 states and 3959 transitions. [2019-12-01 23:38:51,645 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 302 [2019-12-01 23:38:51,645 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:38:51,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:38:53,088 INFO L134 CoverageAnalysis]: Checked inductivity of 498 backedges. 336 proven. 61 refuted. 0 times theorem prover too weak. 101 trivial. 0 not checked. [2019-12-01 23:38:59,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:38:59,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4004 states to 3618 states and 4004 transitions. [2019-12-01 23:38:59,665 INFO L276 IsEmpty]: Start isEmpty. Operand 3618 states and 4004 transitions. [2019-12-01 23:38:59,668 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 302 [2019-12-01 23:38:59,668 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:38:59,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:39:00,279 INFO L134 CoverageAnalysis]: Checked inductivity of 498 backedges. 336 proven. 61 refuted. 0 times theorem prover too weak. 101 trivial. 0 not checked. [2019-12-01 23:39:01,759 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:39:01,761 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4015 states to 3630 states and 4015 transitions. [2019-12-01 23:39:01,761 INFO L276 IsEmpty]: Start isEmpty. Operand 3630 states and 4015 transitions. [2019-12-01 23:39:01,763 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 306 [2019-12-01 23:39:01,763 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:39:01,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:39:01,946 INFO L134 CoverageAnalysis]: Checked inductivity of 448 backedges. 369 proven. 4 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2019-12-01 23:39:03,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:39:03,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4037 states to 3650 states and 4037 transitions. [2019-12-01 23:39:03,496 INFO L276 IsEmpty]: Start isEmpty. Operand 3650 states and 4037 transitions. [2019-12-01 23:39:03,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 306 [2019-12-01 23:39:03,499 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:39:03,514 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:39:03,681 INFO L134 CoverageAnalysis]: Checked inductivity of 448 backedges. 369 proven. 4 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2019-12-01 23:39:09,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:39:09,375 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4060 states to 3670 states and 4060 transitions. [2019-12-01 23:39:09,375 INFO L276 IsEmpty]: Start isEmpty. Operand 3670 states and 4060 transitions. [2019-12-01 23:39:09,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 306 [2019-12-01 23:39:09,377 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:39:09,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:39:09,560 INFO L134 CoverageAnalysis]: Checked inductivity of 448 backedges. 369 proven. 4 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2019-12-01 23:39:11,276 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:39:11,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4064 states to 3674 states and 4064 transitions. [2019-12-01 23:39:11,278 INFO L276 IsEmpty]: Start isEmpty. Operand 3674 states and 4064 transitions. [2019-12-01 23:39:11,280 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 306 [2019-12-01 23:39:11,280 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:39:11,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:39:11,484 INFO L134 CoverageAnalysis]: Checked inductivity of 448 backedges. 369 proven. 4 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2019-12-01 23:39:11,822 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:39:11,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4065 states to 3676 states and 4065 transitions. [2019-12-01 23:39:11,824 INFO L276 IsEmpty]: Start isEmpty. Operand 3676 states and 4065 transitions. [2019-12-01 23:39:11,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 306 [2019-12-01 23:39:11,826 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:39:11,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:39:12,009 INFO L134 CoverageAnalysis]: Checked inductivity of 448 backedges. 369 proven. 4 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2019-12-01 23:39:12,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:39:12,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4065 states to 3677 states and 4065 transitions. [2019-12-01 23:39:12,560 INFO L276 IsEmpty]: Start isEmpty. Operand 3677 states and 4065 transitions. [2019-12-01 23:39:12,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 312 [2019-12-01 23:39:12,562 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:39:12,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:39:12,721 INFO L134 CoverageAnalysis]: Checked inductivity of 496 backedges. 229 proven. 20 refuted. 0 times theorem prover too weak. 247 trivial. 0 not checked. [2019-12-01 23:39:13,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:39:13,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4081 states to 3693 states and 4081 transitions. [2019-12-01 23:39:13,324 INFO L276 IsEmpty]: Start isEmpty. Operand 3693 states and 4081 transitions. [2019-12-01 23:39:13,326 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 314 [2019-12-01 23:39:13,326 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:39:13,341 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:39:13,466 INFO L134 CoverageAnalysis]: Checked inductivity of 504 backedges. 404 proven. 6 refuted. 0 times theorem prover too weak. 94 trivial. 0 not checked. [2019-12-01 23:39:14,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:39:14,312 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4124 states to 3733 states and 4124 transitions. [2019-12-01 23:39:14,312 INFO L276 IsEmpty]: Start isEmpty. Operand 3733 states and 4124 transitions. [2019-12-01 23:39:14,314 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 315 [2019-12-01 23:39:14,314 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:39:14,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:39:14,969 INFO L134 CoverageAnalysis]: Checked inductivity of 465 backedges. 375 proven. 0 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2019-12-01 23:39:21,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:39:21,866 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4158 states to 3763 states and 4158 transitions. [2019-12-01 23:39:21,866 INFO L276 IsEmpty]: Start isEmpty. Operand 3763 states and 4158 transitions. [2019-12-01 23:39:21,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 315 [2019-12-01 23:39:21,868 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:39:21,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:39:22,073 INFO L134 CoverageAnalysis]: Checked inductivity of 465 backedges. 375 proven. 0 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2019-12-01 23:39:22,633 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:39:22,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4195 states to 3799 states and 4195 transitions. [2019-12-01 23:39:22,635 INFO L276 IsEmpty]: Start isEmpty. Operand 3799 states and 4195 transitions. [2019-12-01 23:39:22,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 315 [2019-12-01 23:39:22,637 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:39:22,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:39:22,872 INFO L134 CoverageAnalysis]: Checked inductivity of 465 backedges. 375 proven. 0 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2019-12-01 23:39:23,716 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:39:23,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4221 states to 3825 states and 4221 transitions. [2019-12-01 23:39:23,717 INFO L276 IsEmpty]: Start isEmpty. Operand 3825 states and 4221 transitions. [2019-12-01 23:39:23,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 315 [2019-12-01 23:39:23,719 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:39:23,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:39:23,947 INFO L134 CoverageAnalysis]: Checked inductivity of 465 backedges. 375 proven. 0 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2019-12-01 23:39:26,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:39:26,597 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4236 states to 3841 states and 4236 transitions. [2019-12-01 23:39:26,597 INFO L276 IsEmpty]: Start isEmpty. Operand 3841 states and 4236 transitions. [2019-12-01 23:39:26,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 317 [2019-12-01 23:39:26,599 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:39:26,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:39:26,743 INFO L134 CoverageAnalysis]: Checked inductivity of 504 backedges. 402 proven. 4 refuted. 0 times theorem prover too weak. 98 trivial. 0 not checked. [2019-12-01 23:39:27,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:39:27,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4240 states to 3846 states and 4240 transitions. [2019-12-01 23:39:27,252 INFO L276 IsEmpty]: Start isEmpty. Operand 3846 states and 4240 transitions. [2019-12-01 23:39:27,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 317 [2019-12-01 23:39:27,255 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:39:27,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:39:27,423 INFO L134 CoverageAnalysis]: Checked inductivity of 504 backedges. 402 proven. 4 refuted. 0 times theorem prover too weak. 98 trivial. 0 not checked. [2019-12-01 23:39:27,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:39:27,498 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4243 states to 3849 states and 4243 transitions. [2019-12-01 23:39:27,498 INFO L276 IsEmpty]: Start isEmpty. Operand 3849 states and 4243 transitions. [2019-12-01 23:39:27,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 317 [2019-12-01 23:39:27,500 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:39:27,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:39:27,643 INFO L134 CoverageAnalysis]: Checked inductivity of 504 backedges. 402 proven. 4 refuted. 0 times theorem prover too weak. 98 trivial. 0 not checked. [2019-12-01 23:39:29,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:39:29,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4244 states to 3851 states and 4244 transitions. [2019-12-01 23:39:29,263 INFO L276 IsEmpty]: Start isEmpty. Operand 3851 states and 4244 transitions. [2019-12-01 23:39:29,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 326 [2019-12-01 23:39:29,265 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:39:29,280 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:39:32,496 INFO L134 CoverageAnalysis]: Checked inductivity of 521 backedges. 423 proven. 0 refuted. 0 times theorem prover too weak. 98 trivial. 0 not checked. [2019-12-01 23:39:34,855 WARN L192 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 33 [2019-12-01 23:39:40,978 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:39:40,980 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4275 states to 3880 states and 4275 transitions. [2019-12-01 23:39:40,980 INFO L276 IsEmpty]: Start isEmpty. Operand 3880 states and 4275 transitions. [2019-12-01 23:39:40,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 326 [2019-12-01 23:39:40,982 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:39:40,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:39:41,250 INFO L134 CoverageAnalysis]: Checked inductivity of 521 backedges. 423 proven. 0 refuted. 0 times theorem prover too weak. 98 trivial. 0 not checked. [2019-12-01 23:39:43,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:39:43,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4289 states to 3895 states and 4289 transitions. [2019-12-01 23:39:43,922 INFO L276 IsEmpty]: Start isEmpty. Operand 3895 states and 4289 transitions. [2019-12-01 23:39:43,925 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 330 [2019-12-01 23:39:43,925 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:39:43,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:39:44,116 INFO L134 CoverageAnalysis]: Checked inductivity of 541 backedges. 441 proven. 4 refuted. 0 times theorem prover too weak. 96 trivial. 0 not checked. [2019-12-01 23:39:44,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:39:44,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4293 states to 3900 states and 4293 transitions. [2019-12-01 23:39:44,188 INFO L276 IsEmpty]: Start isEmpty. Operand 3900 states and 4293 transitions. [2019-12-01 23:39:44,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 339 [2019-12-01 23:39:44,190 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:39:44,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:39:45,153 INFO L134 CoverageAnalysis]: Checked inductivity of 558 backedges. 447 proven. 0 refuted. 0 times theorem prover too weak. 111 trivial. 0 not checked. [2019-12-01 23:39:46,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:39:46,871 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4312 states to 3916 states and 4312 transitions. [2019-12-01 23:39:46,871 INFO L276 IsEmpty]: Start isEmpty. Operand 3916 states and 4312 transitions. [2019-12-01 23:39:46,873 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 348 [2019-12-01 23:39:46,873 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:39:46,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:39:47,030 INFO L134 CoverageAnalysis]: Checked inductivity of 589 backedges. 104 proven. 48 refuted. 0 times theorem prover too weak. 437 trivial. 0 not checked. [2019-12-01 23:39:48,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:39:48,994 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4329 states to 3932 states and 4329 transitions. [2019-12-01 23:39:48,994 INFO L276 IsEmpty]: Start isEmpty. Operand 3932 states and 4329 transitions. [2019-12-01 23:39:48,996 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 348 [2019-12-01 23:39:48,996 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:39:49,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:39:49,156 INFO L134 CoverageAnalysis]: Checked inductivity of 589 backedges. 104 proven. 48 refuted. 0 times theorem prover too weak. 437 trivial. 0 not checked. [2019-12-01 23:39:52,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:39:52,053 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4346 states to 3948 states and 4346 transitions. [2019-12-01 23:39:52,054 INFO L276 IsEmpty]: Start isEmpty. Operand 3948 states and 4346 transitions. [2019-12-01 23:39:52,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 348 [2019-12-01 23:39:52,056 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:39:52,074 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:39:52,224 INFO L134 CoverageAnalysis]: Checked inductivity of 589 backedges. 104 proven. 48 refuted. 0 times theorem prover too weak. 437 trivial. 0 not checked. [2019-12-01 23:39:55,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:39:55,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4357 states to 3959 states and 4357 transitions. [2019-12-01 23:39:55,286 INFO L276 IsEmpty]: Start isEmpty. Operand 3959 states and 4357 transitions. [2019-12-01 23:39:55,288 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 348 [2019-12-01 23:39:55,288 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:39:55,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:39:55,474 INFO L134 CoverageAnalysis]: Checked inductivity of 589 backedges. 104 proven. 48 refuted. 0 times theorem prover too weak. 437 trivial. 0 not checked. [2019-12-01 23:39:56,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:39:56,234 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4366 states to 3969 states and 4366 transitions. [2019-12-01 23:39:56,234 INFO L276 IsEmpty]: Start isEmpty. Operand 3969 states and 4366 transitions. [2019-12-01 23:39:56,236 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 348 [2019-12-01 23:39:56,236 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:39:56,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:39:56,393 INFO L134 CoverageAnalysis]: Checked inductivity of 589 backedges. 104 proven. 48 refuted. 0 times theorem prover too weak. 437 trivial. 0 not checked. [2019-12-01 23:39:57,198 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:39:57,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4378 states to 3981 states and 4378 transitions. [2019-12-01 23:39:57,200 INFO L276 IsEmpty]: Start isEmpty. Operand 3981 states and 4378 transitions. [2019-12-01 23:39:57,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 348 [2019-12-01 23:39:57,202 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:39:57,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:39:57,394 INFO L134 CoverageAnalysis]: Checked inductivity of 589 backedges. 104 proven. 48 refuted. 0 times theorem prover too weak. 437 trivial. 0 not checked. [2019-12-01 23:39:58,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:39:58,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4382 states to 3985 states and 4382 transitions. [2019-12-01 23:39:58,554 INFO L276 IsEmpty]: Start isEmpty. Operand 3985 states and 4382 transitions. [2019-12-01 23:39:58,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 348 [2019-12-01 23:39:58,557 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:39:58,575 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:39:58,714 INFO L134 CoverageAnalysis]: Checked inductivity of 589 backedges. 104 proven. 48 refuted. 0 times theorem prover too weak. 437 trivial. 0 not checked. [2019-12-01 23:39:59,991 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:39:59,992 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4382 states to 3986 states and 4382 transitions. [2019-12-01 23:39:59,993 INFO L276 IsEmpty]: Start isEmpty. Operand 3986 states and 4382 transitions. [2019-12-01 23:39:59,995 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 359 [2019-12-01 23:39:59,995 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:40:00,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:40:00,186 INFO L134 CoverageAnalysis]: Checked inductivity of 652 backedges. 371 proven. 12 refuted. 0 times theorem prover too weak. 269 trivial. 0 not checked. [2019-12-01 23:40:00,297 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:40:00,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4387 states to 3992 states and 4387 transitions. [2019-12-01 23:40:00,299 INFO L276 IsEmpty]: Start isEmpty. Operand 3992 states and 4387 transitions. [2019-12-01 23:40:00,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 359 [2019-12-01 23:40:00,301 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:40:00,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:40:00,479 INFO L134 CoverageAnalysis]: Checked inductivity of 652 backedges. 371 proven. 12 refuted. 0 times theorem prover too weak. 269 trivial. 0 not checked. [2019-12-01 23:40:00,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:40:00,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4417 states to 4022 states and 4417 transitions. [2019-12-01 23:40:00,992 INFO L276 IsEmpty]: Start isEmpty. Operand 4022 states and 4417 transitions. [2019-12-01 23:40:00,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 359 [2019-12-01 23:40:00,994 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:40:01,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:40:01,162 INFO L134 CoverageAnalysis]: Checked inductivity of 652 backedges. 371 proven. 12 refuted. 0 times theorem prover too weak. 269 trivial. 0 not checked. [2019-12-01 23:40:02,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:40:02,241 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4437 states to 4042 states and 4437 transitions. [2019-12-01 23:40:02,241 INFO L276 IsEmpty]: Start isEmpty. Operand 4042 states and 4437 transitions. [2019-12-01 23:40:02,243 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 359 [2019-12-01 23:40:02,243 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:40:02,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:40:02,416 INFO L134 CoverageAnalysis]: Checked inductivity of 652 backedges. 371 proven. 12 refuted. 0 times theorem prover too weak. 269 trivial. 0 not checked. [2019-12-01 23:40:02,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:40:02,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4457 states to 4063 states and 4457 transitions. [2019-12-01 23:40:02,844 INFO L276 IsEmpty]: Start isEmpty. Operand 4063 states and 4457 transitions. [2019-12-01 23:40:02,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 359 [2019-12-01 23:40:02,846 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:40:02,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:40:03,014 INFO L134 CoverageAnalysis]: Checked inductivity of 652 backedges. 371 proven. 12 refuted. 0 times theorem prover too weak. 269 trivial. 0 not checked. [2019-12-01 23:40:03,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:40:03,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4462 states to 4069 states and 4462 transitions. [2019-12-01 23:40:03,125 INFO L276 IsEmpty]: Start isEmpty. Operand 4069 states and 4462 transitions. [2019-12-01 23:40:03,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 367 [2019-12-01 23:40:03,127 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:40:03,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:40:03,307 INFO L134 CoverageAnalysis]: Checked inductivity of 696 backedges. 436 proven. 0 refuted. 0 times theorem prover too weak. 260 trivial. 0 not checked. [2019-12-01 23:40:03,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:40:03,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4479 states to 4087 states and 4479 transitions. [2019-12-01 23:40:03,963 INFO L276 IsEmpty]: Start isEmpty. Operand 4087 states and 4479 transitions. [2019-12-01 23:40:03,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 367 [2019-12-01 23:40:03,965 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:40:03,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:40:04,119 INFO L134 CoverageAnalysis]: Checked inductivity of 696 backedges. 436 proven. 0 refuted. 0 times theorem prover too weak. 260 trivial. 0 not checked. [2019-12-01 23:40:04,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:40:04,274 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4494 states to 4102 states and 4494 transitions. [2019-12-01 23:40:04,274 INFO L276 IsEmpty]: Start isEmpty. Operand 4102 states and 4494 transitions. [2019-12-01 23:40:04,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 367 [2019-12-01 23:40:04,276 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:40:04,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:40:04,431 INFO L134 CoverageAnalysis]: Checked inductivity of 696 backedges. 436 proven. 0 refuted. 0 times theorem prover too weak. 260 trivial. 0 not checked. [2019-12-01 23:40:04,548 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:40:04,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4500 states to 4108 states and 4500 transitions. [2019-12-01 23:40:04,550 INFO L276 IsEmpty]: Start isEmpty. Operand 4108 states and 4500 transitions. [2019-12-01 23:40:04,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 367 [2019-12-01 23:40:04,552 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:40:04,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:40:04,731 INFO L134 CoverageAnalysis]: Checked inductivity of 696 backedges. 436 proven. 0 refuted. 0 times theorem prover too weak. 260 trivial. 0 not checked. [2019-12-01 23:40:05,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:40:05,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4511 states to 4119 states and 4511 transitions. [2019-12-01 23:40:05,358 INFO L276 IsEmpty]: Start isEmpty. Operand 4119 states and 4511 transitions. [2019-12-01 23:40:05,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 392 [2019-12-01 23:40:05,361 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:40:05,377 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:40:05,830 INFO L134 CoverageAnalysis]: Checked inductivity of 805 backedges. 616 proven. 0 refuted. 0 times theorem prover too weak. 189 trivial. 0 not checked. [2019-12-01 23:40:14,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:40:14,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4624 states to 4217 states and 4624 transitions. [2019-12-01 23:40:14,346 INFO L276 IsEmpty]: Start isEmpty. Operand 4217 states and 4624 transitions. [2019-12-01 23:40:14,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 392 [2019-12-01 23:40:14,349 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:40:14,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:40:14,645 INFO L134 CoverageAnalysis]: Checked inductivity of 805 backedges. 616 proven. 0 refuted. 0 times theorem prover too weak. 189 trivial. 0 not checked. [2019-12-01 23:40:19,168 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:40:19,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4638 states to 4231 states and 4638 transitions. [2019-12-01 23:40:19,171 INFO L276 IsEmpty]: Start isEmpty. Operand 4231 states and 4638 transitions. [2019-12-01 23:40:19,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 392 [2019-12-01 23:40:19,174 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:40:19,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:40:19,435 INFO L134 CoverageAnalysis]: Checked inductivity of 805 backedges. 616 proven. 0 refuted. 0 times theorem prover too weak. 189 trivial. 0 not checked. [2019-12-01 23:40:22,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:40:22,179 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4653 states to 4247 states and 4653 transitions. [2019-12-01 23:40:22,179 INFO L276 IsEmpty]: Start isEmpty. Operand 4247 states and 4653 transitions. [2019-12-01 23:40:22,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 401 [2019-12-01 23:40:22,181 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:40:22,198 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:40:23,243 INFO L134 CoverageAnalysis]: Checked inductivity of 862 backedges. 591 proven. 0 refuted. 0 times theorem prover too weak. 271 trivial. 0 not checked. [2019-12-01 23:40:27,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:40:27,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4670 states to 4263 states and 4670 transitions. [2019-12-01 23:40:27,085 INFO L276 IsEmpty]: Start isEmpty. Operand 4263 states and 4670 transitions. [2019-12-01 23:40:27,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 423 [2019-12-01 23:40:27,087 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:40:27,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:40:27,242 INFO L134 CoverageAnalysis]: Checked inductivity of 945 backedges. 602 proven. 0 refuted. 0 times theorem prover too weak. 343 trivial. 0 not checked. [2019-12-01 23:40:28,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:40:28,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4686 states to 4279 states and 4686 transitions. [2019-12-01 23:40:28,917 INFO L276 IsEmpty]: Start isEmpty. Operand 4279 states and 4686 transitions. [2019-12-01 23:40:28,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 423 [2019-12-01 23:40:28,920 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:40:28,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:40:29,043 INFO L134 CoverageAnalysis]: Checked inductivity of 945 backedges. 602 proven. 0 refuted. 0 times theorem prover too weak. 343 trivial. 0 not checked. [2019-12-01 23:40:30,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:40:30,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4704 states to 4295 states and 4704 transitions. [2019-12-01 23:40:30,506 INFO L276 IsEmpty]: Start isEmpty. Operand 4295 states and 4704 transitions. [2019-12-01 23:40:30,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 423 [2019-12-01 23:40:30,508 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:40:30,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:40:30,655 INFO L134 CoverageAnalysis]: Checked inductivity of 945 backedges. 602 proven. 0 refuted. 0 times theorem prover too weak. 343 trivial. 0 not checked. [2019-12-01 23:40:31,316 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:40:31,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4708 states to 4299 states and 4708 transitions. [2019-12-01 23:40:31,318 INFO L276 IsEmpty]: Start isEmpty. Operand 4299 states and 4708 transitions. [2019-12-01 23:40:31,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 423 [2019-12-01 23:40:31,321 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:40:31,339 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:40:31,445 INFO L134 CoverageAnalysis]: Checked inductivity of 945 backedges. 602 proven. 0 refuted. 0 times theorem prover too weak. 343 trivial. 0 not checked. [2019-12-01 23:40:32,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:40:32,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4712 states to 4303 states and 4712 transitions. [2019-12-01 23:40:32,134 INFO L276 IsEmpty]: Start isEmpty. Operand 4303 states and 4712 transitions. [2019-12-01 23:40:32,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 436 [2019-12-01 23:40:32,136 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:40:32,153 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:40:34,625 INFO L134 CoverageAnalysis]: Checked inductivity of 1008 backedges. 634 proven. 103 refuted. 0 times theorem prover too weak. 271 trivial. 0 not checked. [2019-12-01 23:40:49,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:40:49,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4757 states to 4336 states and 4757 transitions. [2019-12-01 23:40:49,901 INFO L276 IsEmpty]: Start isEmpty. Operand 4336 states and 4757 transitions. [2019-12-01 23:40:49,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 445 [2019-12-01 23:40:49,904 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:40:49,922 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:40:50,081 INFO L134 CoverageAnalysis]: Checked inductivity of 1124 backedges. 809 proven. 16 refuted. 0 times theorem prover too weak. 299 trivial. 0 not checked. [2019-12-01 23:41:06,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:41:06,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4821 states to 4384 states and 4821 transitions. [2019-12-01 23:41:06,389 INFO L276 IsEmpty]: Start isEmpty. Operand 4384 states and 4821 transitions. [2019-12-01 23:41:06,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 445 [2019-12-01 23:41:06,391 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:41:06,408 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:41:06,568 INFO L134 CoverageAnalysis]: Checked inductivity of 1124 backedges. 809 proven. 16 refuted. 0 times theorem prover too weak. 299 trivial. 0 not checked. [2019-12-01 23:41:08,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:41:08,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4836 states to 4396 states and 4836 transitions. [2019-12-01 23:41:08,537 INFO L276 IsEmpty]: Start isEmpty. Operand 4396 states and 4836 transitions. [2019-12-01 23:41:08,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 445 [2019-12-01 23:41:08,539 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:41:08,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:41:08,715 INFO L134 CoverageAnalysis]: Checked inductivity of 1124 backedges. 809 proven. 16 refuted. 0 times theorem prover too weak. 299 trivial. 0 not checked. [2019-12-01 23:41:14,390 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:41:14,392 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4881 states to 4435 states and 4881 transitions. [2019-12-01 23:41:14,392 INFO L276 IsEmpty]: Start isEmpty. Operand 4435 states and 4881 transitions. [2019-12-01 23:41:14,394 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 445 [2019-12-01 23:41:14,395 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:41:14,412 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:41:14,571 INFO L134 CoverageAnalysis]: Checked inductivity of 1124 backedges. 809 proven. 16 refuted. 0 times theorem prover too weak. 299 trivial. 0 not checked. [2019-12-01 23:41:19,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:41:19,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4907 states to 4457 states and 4907 transitions. [2019-12-01 23:41:19,290 INFO L276 IsEmpty]: Start isEmpty. Operand 4457 states and 4907 transitions. [2019-12-01 23:41:19,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 445 [2019-12-01 23:41:19,292 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:41:19,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:41:19,469 INFO L134 CoverageAnalysis]: Checked inductivity of 1124 backedges. 809 proven. 16 refuted. 0 times theorem prover too weak. 299 trivial. 0 not checked. [2019-12-01 23:41:21,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:41:21,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4911 states to 4461 states and 4911 transitions. [2019-12-01 23:41:21,457 INFO L276 IsEmpty]: Start isEmpty. Operand 4461 states and 4911 transitions. [2019-12-01 23:41:21,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 445 [2019-12-01 23:41:21,460 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:41:21,477 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:41:21,663 INFO L134 CoverageAnalysis]: Checked inductivity of 1124 backedges. 809 proven. 16 refuted. 0 times theorem prover too weak. 299 trivial. 0 not checked. [2019-12-01 23:41:22,490 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:41:22,491 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4922 states to 4473 states and 4922 transitions. [2019-12-01 23:41:22,492 INFO L276 IsEmpty]: Start isEmpty. Operand 4473 states and 4922 transitions. [2019-12-01 23:41:22,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 445 [2019-12-01 23:41:22,494 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:41:22,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:41:22,672 INFO L134 CoverageAnalysis]: Checked inductivity of 1124 backedges. 809 proven. 16 refuted. 0 times theorem prover too weak. 299 trivial. 0 not checked. [2019-12-01 23:41:23,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:41:23,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4927 states to 4477 states and 4927 transitions. [2019-12-01 23:41:23,581 INFO L276 IsEmpty]: Start isEmpty. Operand 4477 states and 4927 transitions. [2019-12-01 23:41:23,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 446 [2019-12-01 23:41:23,584 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:41:23,601 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:41:23,702 INFO L134 CoverageAnalysis]: Checked inductivity of 1077 backedges. 741 proven. 0 refuted. 0 times theorem prover too weak. 336 trivial. 0 not checked. [2019-12-01 23:41:26,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:41:26,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4944 states to 4492 states and 4944 transitions. [2019-12-01 23:41:26,294 INFO L276 IsEmpty]: Start isEmpty. Operand 4492 states and 4944 transitions. [2019-12-01 23:41:26,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 446 [2019-12-01 23:41:26,297 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:41:26,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:41:26,441 INFO L134 CoverageAnalysis]: Checked inductivity of 1077 backedges. 741 proven. 0 refuted. 0 times theorem prover too weak. 336 trivial. 0 not checked. [2019-12-01 23:41:27,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:41:27,470 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4947 states to 4495 states and 4947 transitions. [2019-12-01 23:41:27,470 INFO L276 IsEmpty]: Start isEmpty. Operand 4495 states and 4947 transitions. [2019-12-01 23:41:27,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 446 [2019-12-01 23:41:27,473 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:41:27,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:41:27,590 INFO L134 CoverageAnalysis]: Checked inductivity of 1077 backedges. 741 proven. 0 refuted. 0 times theorem prover too weak. 336 trivial. 0 not checked. [2019-12-01 23:41:28,960 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:41:28,962 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4959 states to 4507 states and 4959 transitions. [2019-12-01 23:41:28,962 INFO L276 IsEmpty]: Start isEmpty. Operand 4507 states and 4959 transitions. [2019-12-01 23:41:28,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 446 [2019-12-01 23:41:28,991 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:41:29,008 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:41:29,109 INFO L134 CoverageAnalysis]: Checked inductivity of 1077 backedges. 741 proven. 0 refuted. 0 times theorem prover too weak. 336 trivial. 0 not checked. [2019-12-01 23:41:30,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:41:30,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4962 states to 4510 states and 4962 transitions. [2019-12-01 23:41:30,593 INFO L276 IsEmpty]: Start isEmpty. Operand 4510 states and 4962 transitions. [2019-12-01 23:41:30,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 467 [2019-12-01 23:41:30,596 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:41:30,621 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:41:30,878 INFO L134 CoverageAnalysis]: Checked inductivity of 1164 backedges. 590 proven. 0 refuted. 0 times theorem prover too weak. 574 trivial. 0 not checked. [2019-12-01 23:41:33,143 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:41:33,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4996 states to 4547 states and 4996 transitions. [2019-12-01 23:41:33,145 INFO L276 IsEmpty]: Start isEmpty. Operand 4547 states and 4996 transitions. [2019-12-01 23:41:33,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 467 [2019-12-01 23:41:33,148 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:41:33,172 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:41:33,420 INFO L134 CoverageAnalysis]: Checked inductivity of 1164 backedges. 590 proven. 0 refuted. 0 times theorem prover too weak. 574 trivial. 0 not checked. [2019-12-01 23:41:33,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:41:33,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5000 states to 4552 states and 5000 transitions. [2019-12-01 23:41:33,970 INFO L276 IsEmpty]: Start isEmpty. Operand 4552 states and 5000 transitions. [2019-12-01 23:41:33,973 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 467 [2019-12-01 23:41:33,973 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:41:33,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:41:34,214 INFO L134 CoverageAnalysis]: Checked inductivity of 1164 backedges. 590 proven. 0 refuted. 0 times theorem prover too weak. 574 trivial. 0 not checked. [2019-12-01 23:41:35,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:41:35,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5013 states to 4566 states and 5013 transitions. [2019-12-01 23:41:35,129 INFO L276 IsEmpty]: Start isEmpty. Operand 4566 states and 5013 transitions. [2019-12-01 23:41:35,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 467 [2019-12-01 23:41:35,132 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:41:35,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:41:35,371 INFO L134 CoverageAnalysis]: Checked inductivity of 1164 backedges. 590 proven. 0 refuted. 0 times theorem prover too weak. 574 trivial. 0 not checked. [2019-12-01 23:41:37,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:41:37,307 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5028 states to 4582 states and 5028 transitions. [2019-12-01 23:41:37,307 INFO L276 IsEmpty]: Start isEmpty. Operand 4582 states and 5028 transitions. [2019-12-01 23:41:37,309 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 474 [2019-12-01 23:41:37,310 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:41:37,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:41:38,155 INFO L134 CoverageAnalysis]: Checked inductivity of 1206 backedges. 841 proven. 0 refuted. 0 times theorem prover too weak. 365 trivial. 0 not checked. [2019-12-01 23:41:42,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:41:42,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5132 states to 4681 states and 5132 transitions. [2019-12-01 23:41:42,631 INFO L276 IsEmpty]: Start isEmpty. Operand 4681 states and 5132 transitions. [2019-12-01 23:41:42,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 476 [2019-12-01 23:41:42,633 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:41:42,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:41:42,793 INFO L134 CoverageAnalysis]: Checked inductivity of 1176 backedges. 699 proven. 0 refuted. 0 times theorem prover too weak. 477 trivial. 0 not checked. [2019-12-01 23:41:43,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:41:43,158 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5133 states to 4683 states and 5133 transitions. [2019-12-01 23:41:43,158 INFO L276 IsEmpty]: Start isEmpty. Operand 4683 states and 5133 transitions. [2019-12-01 23:41:43,160 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 481 [2019-12-01 23:41:43,160 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:41:43,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:41:43,605 INFO L134 CoverageAnalysis]: Checked inductivity of 1260 backedges. 757 proven. 0 refuted. 0 times theorem prover too weak. 503 trivial. 0 not checked. [2019-12-01 23:41:46,052 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:41:46,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5154 states to 4705 states and 5154 transitions. [2019-12-01 23:41:46,054 INFO L276 IsEmpty]: Start isEmpty. Operand 4705 states and 5154 transitions. [2019-12-01 23:41:46,057 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 491 [2019-12-01 23:41:46,057 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:41:46,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:41:46,252 INFO L134 CoverageAnalysis]: Checked inductivity of 1440 backedges. 891 proven. 4 refuted. 0 times theorem prover too weak. 545 trivial. 0 not checked. [2019-12-01 23:41:56,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:41:56,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5194 states to 4735 states and 5194 transitions. [2019-12-01 23:41:56,021 INFO L276 IsEmpty]: Start isEmpty. Operand 4735 states and 5194 transitions. [2019-12-01 23:41:56,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 491 [2019-12-01 23:41:56,024 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:41:56,042 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:41:56,180 INFO L134 CoverageAnalysis]: Checked inductivity of 1440 backedges. 891 proven. 4 refuted. 0 times theorem prover too weak. 545 trivial. 0 not checked. [2019-12-01 23:42:02,121 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:42:02,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5227 states to 4764 states and 5227 transitions. [2019-12-01 23:42:02,123 INFO L276 IsEmpty]: Start isEmpty. Operand 4764 states and 5227 transitions. [2019-12-01 23:42:02,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 491 [2019-12-01 23:42:02,126 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:42:02,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:42:02,281 INFO L134 CoverageAnalysis]: Checked inductivity of 1440 backedges. 891 proven. 4 refuted. 0 times theorem prover too weak. 545 trivial. 0 not checked. [2019-12-01 23:42:05,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:42:05,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5240 states to 4774 states and 5240 transitions. [2019-12-01 23:42:05,114 INFO L276 IsEmpty]: Start isEmpty. Operand 4774 states and 5240 transitions. [2019-12-01 23:42:05,117 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 491 [2019-12-01 23:42:05,117 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:42:05,135 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:42:05,273 INFO L134 CoverageAnalysis]: Checked inductivity of 1440 backedges. 891 proven. 4 refuted. 0 times theorem prover too weak. 545 trivial. 0 not checked. [2019-12-01 23:42:06,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:42:06,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5244 states to 4778 states and 5244 transitions. [2019-12-01 23:42:06,480 INFO L276 IsEmpty]: Start isEmpty. Operand 4778 states and 5244 transitions. [2019-12-01 23:42:06,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 491 [2019-12-01 23:42:06,483 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:42:06,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:42:06,673 INFO L134 CoverageAnalysis]: Checked inductivity of 1440 backedges. 891 proven. 4 refuted. 0 times theorem prover too weak. 545 trivial. 0 not checked. [2019-12-01 23:42:08,914 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:42:08,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5255 states to 4790 states and 5255 transitions. [2019-12-01 23:42:08,917 INFO L276 IsEmpty]: Start isEmpty. Operand 4790 states and 5255 transitions. [2019-12-01 23:42:08,919 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 491 [2019-12-01 23:42:08,920 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:42:08,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:42:09,074 INFO L134 CoverageAnalysis]: Checked inductivity of 1440 backedges. 891 proven. 4 refuted. 0 times theorem prover too weak. 545 trivial. 0 not checked. [2019-12-01 23:42:10,715 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:42:10,717 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5258 states to 4794 states and 5258 transitions. [2019-12-01 23:42:10,717 INFO L276 IsEmpty]: Start isEmpty. Operand 4794 states and 5258 transitions. [2019-12-01 23:42:10,721 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 493 [2019-12-01 23:42:10,722 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:42:10,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:42:12,343 INFO L134 CoverageAnalysis]: Checked inductivity of 1450 backedges. 864 proven. 110 refuted. 0 times theorem prover too weak. 476 trivial. 0 not checked. [2019-12-01 23:42:25,722 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:42:25,724 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5295 states to 4826 states and 5295 transitions. [2019-12-01 23:42:25,724 INFO L276 IsEmpty]: Start isEmpty. Operand 4826 states and 5295 transitions. [2019-12-01 23:42:25,727 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 493 [2019-12-01 23:42:25,727 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:42:25,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:42:26,141 INFO L134 CoverageAnalysis]: Checked inductivity of 1450 backedges. 864 proven. 110 refuted. 0 times theorem prover too weak. 476 trivial. 0 not checked. [2019-12-01 23:42:27,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:42:27,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5301 states to 4832 states and 5301 transitions. [2019-12-01 23:42:27,625 INFO L276 IsEmpty]: Start isEmpty. Operand 4832 states and 5301 transitions. [2019-12-01 23:42:27,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 503 [2019-12-01 23:42:27,628 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:42:27,647 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:42:27,802 INFO L134 CoverageAnalysis]: Checked inductivity of 1365 backedges. 878 proven. 0 refuted. 0 times theorem prover too weak. 487 trivial. 0 not checked. [2019-12-01 23:42:28,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:42:28,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5314 states to 4846 states and 5314 transitions. [2019-12-01 23:42:28,672 INFO L276 IsEmpty]: Start isEmpty. Operand 4846 states and 5314 transitions. [2019-12-01 23:42:28,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 516 [2019-12-01 23:42:28,675 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:42:28,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:42:33,467 INFO L134 CoverageAnalysis]: Checked inductivity of 1441 backedges. 776 proven. 0 refuted. 0 times theorem prover too weak. 665 trivial. 0 not checked. [2019-12-01 23:42:44,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:42:44,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5348 states to 4873 states and 5348 transitions. [2019-12-01 23:42:44,963 INFO L276 IsEmpty]: Start isEmpty. Operand 4873 states and 5348 transitions. [2019-12-01 23:42:44,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 516 [2019-12-01 23:42:44,966 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:42:44,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:42:45,366 INFO L134 CoverageAnalysis]: Checked inductivity of 1441 backedges. 776 proven. 0 refuted. 0 times theorem prover too weak. 665 trivial. 0 not checked. [2019-12-01 23:42:48,407 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:42:48,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5352 states to 4876 states and 5352 transitions. [2019-12-01 23:42:48,408 INFO L276 IsEmpty]: Start isEmpty. Operand 4876 states and 5352 transitions. [2019-12-01 23:42:48,411 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 525 [2019-12-01 23:42:48,411 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:42:48,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:42:49,167 INFO L134 CoverageAnalysis]: Checked inductivity of 1566 backedges. 1059 proven. 4 refuted. 0 times theorem prover too weak. 503 trivial. 0 not checked. [2019-12-01 23:42:50,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:42:50,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5347 states to 4872 states and 5347 transitions. [2019-12-01 23:42:50,271 INFO L276 IsEmpty]: Start isEmpty. Operand 4872 states and 5347 transitions. [2019-12-01 23:42:50,274 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 526 [2019-12-01 23:42:50,274 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:42:50,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:42:52,146 INFO L134 CoverageAnalysis]: Checked inductivity of 1520 backedges. 991 proven. 4 refuted. 0 times theorem prover too weak. 525 trivial. 0 not checked. [2019-12-01 23:42:59,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:42:59,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5373 states to 4893 states and 5373 transitions. [2019-12-01 23:42:59,042 INFO L276 IsEmpty]: Start isEmpty. Operand 4893 states and 5373 transitions. [2019-12-01 23:42:59,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 526 [2019-12-01 23:42:59,046 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:42:59,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:42:59,463 INFO L134 CoverageAnalysis]: Checked inductivity of 1520 backedges. 991 proven. 4 refuted. 0 times theorem prover too weak. 525 trivial. 0 not checked. [2019-12-01 23:43:02,090 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:43:02,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5381 states to 4902 states and 5381 transitions. [2019-12-01 23:43:02,093 INFO L276 IsEmpty]: Start isEmpty. Operand 4902 states and 5381 transitions. [2019-12-01 23:43:02,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 542 [2019-12-01 23:43:02,098 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:43:02,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:43:02,532 INFO L134 CoverageAnalysis]: Checked inductivity of 1592 backedges. 1014 proven. 4 refuted. 0 times theorem prover too weak. 574 trivial. 0 not checked. [2019-12-01 23:43:02,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:43:02,847 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5428 states to 4950 states and 5428 transitions. [2019-12-01 23:43:02,847 INFO L276 IsEmpty]: Start isEmpty. Operand 4950 states and 5428 transitions. [2019-12-01 23:43:02,851 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 547 [2019-12-01 23:43:02,851 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:43:02,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:43:03,199 INFO L134 CoverageAnalysis]: Checked inductivity of 1628 backedges. 715 proven. 0 refuted. 0 times theorem prover too weak. 913 trivial. 0 not checked. [2019-12-01 23:43:06,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:43:06,293 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5443 states to 4965 states and 5443 transitions. [2019-12-01 23:43:06,293 INFO L276 IsEmpty]: Start isEmpty. Operand 4965 states and 5443 transitions. [2019-12-01 23:43:06,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 547 [2019-12-01 23:43:06,296 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:43:06,331 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:43:06,651 INFO L134 CoverageAnalysis]: Checked inductivity of 1628 backedges. 715 proven. 0 refuted. 0 times theorem prover too weak. 913 trivial. 0 not checked. [2019-12-01 23:43:09,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:43:09,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5458 states to 4980 states and 5458 transitions. [2019-12-01 23:43:09,181 INFO L276 IsEmpty]: Start isEmpty. Operand 4980 states and 5458 transitions. [2019-12-01 23:43:09,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 583 [2019-12-01 23:43:09,184 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:43:09,217 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:43:09,469 INFO L134 CoverageAnalysis]: Checked inductivity of 1865 backedges. 1154 proven. 0 refuted. 0 times theorem prover too weak. 711 trivial. 0 not checked. [2019-12-01 23:43:13,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:43:13,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5473 states to 4995 states and 5473 transitions. [2019-12-01 23:43:13,224 INFO L276 IsEmpty]: Start isEmpty. Operand 4995 states and 5473 transitions. [2019-12-01 23:43:13,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 583 [2019-12-01 23:43:13,228 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:43:13,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:43:13,508 INFO L134 CoverageAnalysis]: Checked inductivity of 1865 backedges. 1154 proven. 0 refuted. 0 times theorem prover too weak. 711 trivial. 0 not checked. [2019-12-01 23:43:14,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:43:14,755 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5479 states to 5002 states and 5479 transitions. [2019-12-01 23:43:14,755 INFO L276 IsEmpty]: Start isEmpty. Operand 5002 states and 5479 transitions. [2019-12-01 23:43:14,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 599 [2019-12-01 23:43:14,758 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:43:14,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:43:15,188 INFO L134 CoverageAnalysis]: Checked inductivity of 1960 backedges. 686 proven. 24 refuted. 0 times theorem prover too weak. 1250 trivial. 0 not checked. [2019-12-01 23:43:17,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:43:17,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5489 states to 5011 states and 5489 transitions. [2019-12-01 23:43:17,211 INFO L276 IsEmpty]: Start isEmpty. Operand 5011 states and 5489 transitions. [2019-12-01 23:43:17,215 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 599 [2019-12-01 23:43:17,215 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 23:43:17,245 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 23:43:17,641 INFO L134 CoverageAnalysis]: Checked inductivity of 1960 backedges. 686 proven. 24 refuted. 0 times theorem prover too weak. 1250 trivial. 0 not checked. [2019-12-01 23:43:18,442 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 23:43:18,443 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3242 states to 3025 states and 3242 transitions. [2019-12-01 23:43:18,443 INFO L276 IsEmpty]: Start isEmpty. Operand 3025 states and 3242 transitions. [2019-12-01 23:43:18,444 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-12-01 23:43:18,445 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 253 iterations. [2019-12-01 23:43:18,451 INFO L765 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2019-12-01 23:43:18,837 WARN L192 SmtUtils]: Spent 379.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 57 [2019-12-01 23:43:19,082 WARN L192 SmtUtils]: Spent 244.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 47 [2019-12-01 23:43:19,197 WARN L192 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 53 DAG size of output: 34 [2019-12-01 23:43:19,596 WARN L192 SmtUtils]: Spent 397.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 58 [2019-12-01 23:43:19,744 WARN L192 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 40 [2019-12-01 23:43:20,162 WARN L192 SmtUtils]: Spent 417.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 60 [2019-12-01 23:43:20,481 WARN L192 SmtUtils]: Spent 318.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 58 [2019-12-01 23:43:20,680 WARN L192 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 108 DAG size of output: 43 [2019-12-01 23:43:20,976 WARN L192 SmtUtils]: Spent 244.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 47 [2019-12-01 23:43:21,126 WARN L192 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 40 [2019-12-01 23:43:21,368 WARN L192 SmtUtils]: Spent 242.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 48 [2019-12-01 23:43:21,813 WARN L192 SmtUtils]: Spent 394.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 58 [2019-12-01 23:43:22,213 WARN L192 SmtUtils]: Spent 398.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 58 [2019-12-01 23:43:22,352 WARN L192 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 40 [2019-12-01 23:43:22,589 WARN L192 SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 48 [2019-12-01 23:43:22,730 WARN L192 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 64 DAG size of output: 40 [2019-12-01 23:43:22,959 WARN L192 SmtUtils]: Spent 228.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 45 [2019-12-01 23:43:23,186 WARN L192 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 45 [2019-12-01 23:43:23,439 WARN L192 SmtUtils]: Spent 252.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 45 [2019-12-01 23:43:23,659 WARN L192 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 44 [2019-12-01 23:43:23,977 WARN L192 SmtUtils]: Spent 318.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 56 [2019-12-01 23:43:24,244 WARN L192 SmtUtils]: Spent 266.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 49 [2019-12-01 23:43:24,489 WARN L192 SmtUtils]: Spent 244.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 47 [2019-12-01 23:43:24,696 WARN L192 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 44 [2019-12-01 23:43:24,979 WARN L192 SmtUtils]: Spent 282.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 43 [2019-12-01 23:43:25,370 WARN L192 SmtUtils]: Spent 390.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 58 [2019-12-01 23:43:25,611 WARN L192 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 47 [2019-12-01 23:43:25,848 WARN L192 SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 47 [2019-12-01 23:43:26,069 WARN L192 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 45 [2019-12-01 23:43:26,638 WARN L192 SmtUtils]: Spent 568.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 69 [2019-12-01 23:43:26,875 WARN L192 SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 44 [2019-12-01 23:43:27,126 WARN L192 SmtUtils]: Spent 250.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 47 [2019-12-01 23:43:27,331 WARN L192 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 44 [2019-12-01 23:43:27,700 WARN L192 SmtUtils]: Spent 368.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 57 [2019-12-01 23:43:28,072 WARN L192 SmtUtils]: Spent 371.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 48 [2019-12-01 23:43:28,508 WARN L192 SmtUtils]: Spent 435.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 58 [2019-12-01 23:43:28,888 WARN L192 SmtUtils]: Spent 379.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 45 [2019-12-01 23:43:29,500 WARN L192 SmtUtils]: Spent 611.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 56 [2019-12-01 23:43:30,134 WARN L192 SmtUtils]: Spent 633.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 47 [2019-12-01 23:43:30,637 WARN L192 SmtUtils]: Spent 502.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 44 [2019-12-01 23:43:31,395 WARN L192 SmtUtils]: Spent 756.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 57 [2019-12-01 23:43:31,619 WARN L192 SmtUtils]: Spent 223.00 ms on a formula simplification. DAG size of input: 111 DAG size of output: 45 [2019-12-01 23:43:31,827 WARN L192 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 44 [2019-12-01 23:43:32,218 WARN L192 SmtUtils]: Spent 390.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 58 [2019-12-01 23:43:32,348 WARN L192 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 56 DAG size of output: 40 [2019-12-01 23:43:32,717 WARN L192 SmtUtils]: Spent 368.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 59 [2019-12-01 23:43:32,940 WARN L192 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 45 [2019-12-01 23:43:33,191 WARN L192 SmtUtils]: Spent 250.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 43 [2019-12-01 23:43:33,467 WARN L192 SmtUtils]: Spent 275.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 52 [2019-12-01 23:43:33,694 WARN L192 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 44 [2019-12-01 23:43:33,940 WARN L192 SmtUtils]: Spent 245.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 47 [2019-12-01 23:43:34,074 WARN L192 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 61 DAG size of output: 40 [2019-12-01 23:43:34,432 WARN L192 SmtUtils]: Spent 357.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 58 [2019-12-01 23:43:34,678 WARN L192 SmtUtils]: Spent 246.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 48 [2019-12-01 23:43:34,877 WARN L192 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 44 [2019-12-01 23:43:35,025 WARN L192 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 40 [2019-12-01 23:43:35,188 WARN L192 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 68 DAG size of output: 44 [2019-12-01 23:43:35,440 WARN L192 SmtUtils]: Spent 251.00 ms on a formula simplification. DAG size of input: 114 DAG size of output: 48 [2019-12-01 23:43:35,755 WARN L192 SmtUtils]: Spent 314.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 56 [2019-12-01 23:43:36,059 WARN L192 SmtUtils]: Spent 303.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 56 [2019-12-01 23:43:36,222 WARN L192 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 44 [2019-12-01 23:43:36,615 WARN L192 SmtUtils]: Spent 392.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 58 [2019-12-01 23:43:36,853 WARN L192 SmtUtils]: Spent 238.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 47 [2019-12-01 23:43:37,075 WARN L192 SmtUtils]: Spent 221.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 44 [2019-12-01 23:43:37,296 WARN L192 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 44 [2019-12-01 23:43:37,552 WARN L192 SmtUtils]: Spent 256.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 47 [2019-12-01 23:43:37,920 WARN L192 SmtUtils]: Spent 368.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 57 [2019-12-01 23:43:38,136 WARN L192 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 43 [2019-12-01 23:43:38,346 WARN L192 SmtUtils]: Spent 210.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 44 [2019-12-01 23:43:38,571 WARN L192 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 45 [2019-12-01 23:43:38,878 WARN L192 SmtUtils]: Spent 307.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 43 [2019-12-01 23:43:39,201 WARN L192 SmtUtils]: Spent 322.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 58 [2019-12-01 23:43:39,509 WARN L192 SmtUtils]: Spent 307.00 ms on a formula simplification. DAG size of input: 107 DAG size of output: 56 [2019-12-01 23:43:39,727 WARN L192 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 44 [2019-12-01 23:43:40,147 WARN L192 SmtUtils]: Spent 420.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 63 [2019-12-01 23:43:40,362 WARN L192 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 44 [2019-12-01 23:43:40,575 WARN L192 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 43 [2019-12-01 23:43:40,820 WARN L192 SmtUtils]: Spent 244.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 47 [2019-12-01 23:43:40,820 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-12-01 23:43:40,823 INFO L569 CodeCheckObserver]: Invariant with dag size 41 [2019-12-01 23:43:40,833 INFO L569 CodeCheckObserver]: Invariant with dag size 41 [2019-12-01 23:43:40,835 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 01.12 11:43:40 ImpRootNode [2019-12-01 23:43:40,835 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2019-12-01 23:43:40,836 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-01 23:43:40,836 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-01 23:43:40,836 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-01 23:43:40,836 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 11:34:51" (3/4) ... [2019-12-01 23:43:40,839 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-12-01 23:43:40,857 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 109 nodes and edges [2019-12-01 23:43:40,859 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 18 nodes and edges [2019-12-01 23:43:40,860 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2019-12-01 23:43:40,861 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-12-01 23:43:40,930 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_b6ace661-b479-489b-bddc-aa8f0b9bda3d/bin/ukojak/witness.graphml [2019-12-01 23:43:40,930 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-01 23:43:40,931 INFO L168 Benchmark]: Toolchain (without parser) took 531557.45 ms. Allocated memory was 1.0 GB in the beginning and 1.9 GB in the end (delta: 823.1 MB). Free memory was 932.6 MB in the beginning and 569.0 MB in the end (delta: 363.7 MB). Peak memory consumption was 1.2 GB. Max. memory is 11.5 GB. [2019-12-01 23:43:40,931 INFO L168 Benchmark]: CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 960.8 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-01 23:43:40,932 INFO L168 Benchmark]: CACSL2BoogieTranslator took 332.70 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 86.5 MB). Free memory was 932.6 MB in the beginning and 1.1 GB in the end (delta: -126.8 MB). Peak memory consumption was 18.5 MB. Max. memory is 11.5 GB. [2019-12-01 23:43:40,932 INFO L168 Benchmark]: Boogie Procedure Inliner took 50.51 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-12-01 23:43:40,932 INFO L168 Benchmark]: Boogie Preprocessor took 39.63 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-12-01 23:43:40,932 INFO L168 Benchmark]: RCFGBuilder took 1214.33 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: -25.2 MB). Peak memory consumption was 237.8 MB. Max. memory is 11.5 GB. [2019-12-01 23:43:40,932 INFO L168 Benchmark]: CodeCheck took 529822.68 ms. Allocated memory was 1.1 GB in the beginning and 1.9 GB in the end (delta: 736.6 MB). Free memory was 1.1 GB in the beginning and 595.8 MB in the end (delta: 478.1 MB). Peak memory consumption was 1.7 GB. Max. memory is 11.5 GB. [2019-12-01 23:43:40,933 INFO L168 Benchmark]: Witness Printer took 94.73 ms. Allocated memory is still 1.9 GB. Free memory was 595.8 MB in the beginning and 569.0 MB in the end (delta: 26.8 MB). Peak memory consumption was 26.8 MB. Max. memory is 11.5 GB. [2019-12-01 23:43:40,934 INFO L335 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, 85 locations, 1 error locations. Result: SAFE, OverallTime: 507.4s, OverallIterations: 253, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 1140929740 SDtfs, -1357145100 SDslu, 1460072776 SDs, 0 SdLazy, 788990064 SolverSat, 1275141544 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2706.8s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 424975 GetRequests, 414457 SyntacticMatches, 8516 SemanticMatches, 2002 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3048043 ImplicationChecksByTransitivity, 438.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 1.3s SsaConstructionTime, 2.0s SatisfiabilityAnalysisTime, 35.7s InterpolantComputationTime, 67659 NumberOfCodeBlocks, 67659 NumberOfCodeBlocksAsserted, 252 NumberOfCheckSat, 67407 ConstructedInterpolants, 0 QuantifiedInterpolants, 79732780 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 252 InterpolantComputations, 162 PerfectInterpolantSequences, 111106/112733 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 589]: 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: 600]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 29]: Loop Invariant Derived loop invariant: (((((((((((a17 == 8 && a19 == 1) && !(a11 == 1)) && a21 == 1) && a25 == 1) || ((((a17 == 7 && a28 == 7) && a21 == 1) && a25 == 1) && a11 == 1)) || ((((a28 == 9 && a17 == 8) && a21 == 1) && a25 == 1) && a11 == 1)) || ((((a28 == 9 && a17 == 8) && a21 == 1) && a25 <= 0) && a11 == 1)) || (((a28 == 10 && a17 == 8) && a21 == 1) && a25 == 1)) || (a28 == 8 && !(a11 == 1))) || ((((a19 <= 0 && !(a25 == 1)) && a17 == 8) && a28 == 7) && a21 == 1)) || ((a19 == 1 && !(a11 == 1)) && !(a28 == 11))) || (((!(a19 == 1) && !(a28 == 8)) && a11 == 1) && !(a28 == 11)) - InvariantResult [Line: 606]: Loop Invariant Derived loop invariant: (((((((((((a17 == 8 && a19 == 1) && !(a11 == 1)) && a21 == 1) && a25 == 1) || ((((a17 == 7 && a28 == 7) && a21 == 1) && a25 == 1) && a11 == 1)) || ((((a28 == 9 && a17 == 8) && a21 == 1) && a25 == 1) && a11 == 1)) || ((((a28 == 9 && a17 == 8) && a21 == 1) && a25 <= 0) && a11 == 1)) || (((a28 == 10 && a17 == 8) && a21 == 1) && a25 == 1)) || (a28 == 8 && !(a11 == 1))) || ((((a19 <= 0 && !(a25 == 1)) && a17 == 8) && a28 == 7) && a21 == 1)) || ((a19 == 1 && !(a11 == 1)) && !(a28 == 11))) || (((!(a19 == 1) && !(a28 == 8)) && a11 == 1) && !(a28 == 11)) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.19 ms. Allocated memory is still 1.0 GB. Free memory is still 960.8 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 332.70 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 86.5 MB). Free memory was 932.6 MB in the beginning and 1.1 GB in the end (delta: -126.8 MB). Peak memory consumption was 18.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 50.51 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 39.63 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1214.33 ms. Allocated memory is still 1.1 GB. Free memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: -25.2 MB). Peak memory consumption was 237.8 MB. Max. memory is 11.5 GB. * CodeCheck took 529822.68 ms. Allocated memory was 1.1 GB in the beginning and 1.9 GB in the end (delta: 736.6 MB). Free memory was 1.1 GB in the beginning and 595.8 MB in the end (delta: 478.1 MB). Peak memory consumption was 1.7 GB. Max. memory is 11.5 GB. * Witness Printer took 94.73 ms. Allocated memory is still 1.9 GB. Free memory was 595.8 MB in the beginning and 569.0 MB in the end (delta: 26.8 MB). Peak memory consumption was 26.8 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...