./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem01_label11.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_18f66466-ab52-49a0-8591-ec216bfb4dc3/bin/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_18f66466-ab52-49a0-8591-ec216bfb4dc3/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_18f66466-ab52-49a0-8591-ec216bfb4dc3/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_18f66466-ab52-49a0-8591-ec216bfb4dc3/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem01_label11.c -s /tmp/vcloud-vcloud-master/worker/run_dir_18f66466-ab52-49a0-8591-ec216bfb4dc3/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_18f66466-ab52-49a0-8591-ec216bfb4dc3/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 e09138f51265758a55ca4b42a17e715ba685a263 .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. 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 11:25:22,845 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-01 11:25:22,846 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-01 11:25:22,853 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-01 11:25:22,854 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-01 11:25:22,854 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-01 11:25:22,855 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-01 11:25:22,857 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-01 11:25:22,858 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-01 11:25:22,858 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-01 11:25:22,859 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-01 11:25:22,860 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-01 11:25:22,860 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-01 11:25:22,861 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-01 11:25:22,861 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-01 11:25:22,862 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-01 11:25:22,863 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-01 11:25:22,863 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-01 11:25:22,864 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-01 11:25:22,866 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-01 11:25:22,867 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-01 11:25:22,868 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-01 11:25:22,868 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-01 11:25:22,869 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-01 11:25:22,871 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-01 11:25:22,871 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-01 11:25:22,871 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-01 11:25:22,871 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-01 11:25:22,872 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-01 11:25:22,872 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-01 11:25:22,872 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-01 11:25:22,873 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-01 11:25:22,873 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-01 11:25:22,874 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-01 11:25:22,874 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-01 11:25:22,874 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-01 11:25:22,875 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-01 11:25:22,875 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-01 11:25:22,875 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-01 11:25:22,876 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-01 11:25:22,876 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-01 11:25:22,876 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_18f66466-ab52-49a0-8591-ec216bfb4dc3/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2019-12-01 11:25:22,886 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-01 11:25:22,886 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-01 11:25:22,887 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-12-01 11:25:22,887 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2019-12-01 11:25:22,887 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-01 11:25:22,887 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-01 11:25:22,887 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-01 11:25:22,888 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-01 11:25:22,888 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-01 11:25:22,888 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-01 11:25:22,888 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-01 11:25:22,888 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-01 11:25:22,888 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-01 11:25:22,888 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-01 11:25:22,888 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-01 11:25:22,889 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-01 11:25:22,889 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-01 11:25:22,889 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-01 11:25:22,889 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2019-12-01 11:25:22,889 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2019-12-01 11:25:22,889 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-01 11:25:22,889 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-01 11:25:22,889 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2019-12-01 11:25:22,890 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-01 11:25:22,890 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-01 11:25:22,890 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-01 11:25:22,890 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2019-12-01 11:25:22,890 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-01 11:25:22,890 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-01 11:25:22,890 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_18f66466-ab52-49a0-8591-ec216bfb4dc3/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 -> e09138f51265758a55ca4b42a17e715ba685a263 [2019-12-01 11:25:22,989 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-01 11:25:22,997 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-01 11:25:22,999 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-01 11:25:23,000 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-01 11:25:23,000 INFO L275 PluginConnector]: CDTParser initialized [2019-12-01 11:25:23,000 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_18f66466-ab52-49a0-8591-ec216bfb4dc3/bin/ukojak/../../sv-benchmarks/c/eca-rers2012/Problem01_label11.c [2019-12-01 11:25:23,038 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_18f66466-ab52-49a0-8591-ec216bfb4dc3/bin/ukojak/data/709eb2d96/55082c3e784a418d9a05060dd29fbb9e/FLAG9aefd1f41 [2019-12-01 11:25:23,550 INFO L306 CDTParser]: Found 1 translation units. [2019-12-01 11:25:23,550 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_18f66466-ab52-49a0-8591-ec216bfb4dc3/sv-benchmarks/c/eca-rers2012/Problem01_label11.c [2019-12-01 11:25:23,559 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_18f66466-ab52-49a0-8591-ec216bfb4dc3/bin/ukojak/data/709eb2d96/55082c3e784a418d9a05060dd29fbb9e/FLAG9aefd1f41 [2019-12-01 11:25:24,072 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_18f66466-ab52-49a0-8591-ec216bfb4dc3/bin/ukojak/data/709eb2d96/55082c3e784a418d9a05060dd29fbb9e [2019-12-01 11:25:24,074 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-01 11:25:24,076 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-01 11:25:24,076 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-01 11:25:24,076 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-01 11:25:24,079 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-01 11:25:24,080 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 11:25:24" (1/1) ... [2019-12-01 11:25:24,082 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@4dc7a4e4 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:25:24, skipping insertion in model container [2019-12-01 11:25:24,082 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 11:25:24" (1/1) ... [2019-12-01 11:25:24,088 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-01 11:25:24,122 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-01 11:25:24,367 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-01 11:25:24,370 INFO L203 MainTranslator]: Completed pre-run [2019-12-01 11:25:24,421 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-01 11:25:24,431 INFO L208 MainTranslator]: Completed translation [2019-12-01 11:25:24,432 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:25:24 WrapperNode [2019-12-01 11:25:24,432 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-01 11:25:24,432 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-01 11:25:24,432 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-01 11:25:24,432 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-01 11:25:24,438 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:25:24" (1/1) ... [2019-12-01 11:25:24,450 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:25:24" (1/1) ... [2019-12-01 11:25:24,480 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-01 11:25:24,481 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-01 11:25:24,481 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-01 11:25:24,481 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-01 11:25:24,487 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:25:24" (1/1) ... [2019-12-01 11:25:24,488 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:25:24" (1/1) ... [2019-12-01 11:25:24,490 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:25:24" (1/1) ... [2019-12-01 11:25:24,491 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:25:24" (1/1) ... [2019-12-01 11:25:24,505 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:25:24" (1/1) ... [2019-12-01 11:25:24,512 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:25:24" (1/1) ... [2019-12-01 11:25:24,516 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:25:24" (1/1) ... [2019-12-01 11:25:24,521 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-01 11:25:24,522 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-01 11:25:24,522 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-01 11:25:24,522 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-01 11:25:24,522 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 11:25:24" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_18f66466-ab52-49a0-8591-ec216bfb4dc3/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 11:25:24,565 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-01 11:25:24,565 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-01 11:25:25,676 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-01 11:25:25,677 INFO L287 CfgBuilder]: Removed 7 assume(true) statements. [2019-12-01 11:25:25,678 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 11:25:25 BoogieIcfgContainer [2019-12-01 11:25:25,678 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-01 11:25:25,679 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2019-12-01 11:25:25,679 INFO L271 PluginConnector]: Initializing CodeCheck... [2019-12-01 11:25:25,689 INFO L275 PluginConnector]: CodeCheck initialized [2019-12-01 11:25:25,689 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 11:25:25" (1/1) ... [2019-12-01 11:25:25,699 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-01 11:25:25,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 11:25:25,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 76 states and 144 transitions. [2019-12-01 11:25:25,734 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 144 transitions. [2019-12-01 11:25:25,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2019-12-01 11:25:25,739 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 11:25:25,865 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 11:25:26,006 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 11:25:26,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 11:25:26,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 145 states and 221 transitions. [2019-12-01 11:25:26,295 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 221 transitions. [2019-12-01 11:25:26,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2019-12-01 11:25:26,297 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 11:25:26,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 11:25:26,358 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 11:25:26,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 11:25:26,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 149 states and 226 transitions. [2019-12-01 11:25:26,479 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 226 transitions. [2019-12-01 11:25:26,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2019-12-01 11:25:26,481 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 11:25:26,487 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 11:25:26,520 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 11:25:26,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 11:25:26,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 154 states and 236 transitions. [2019-12-01 11:25:26,613 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 236 transitions. [2019-12-01 11:25:26,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2019-12-01 11:25:26,614 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 11:25:26,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 11:25:26,699 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 11:25:27,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 11:25:27,098 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 309 states to 224 states and 309 transitions. [2019-12-01 11:25:27,098 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 309 transitions. [2019-12-01 11:25:27,100 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2019-12-01 11:25:27,100 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 11:25:27,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 11:25:27,151 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-12-01 11:25:27,452 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 11:25:27,453 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 338 states to 246 states and 338 transitions. [2019-12-01 11:25:27,453 INFO L276 IsEmpty]: Start isEmpty. Operand 246 states and 338 transitions. [2019-12-01 11:25:27,456 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2019-12-01 11:25:27,457 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 11:25:27,465 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 11:25:27,598 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2019-12-01 11:25:28,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 11:25:28,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 354 states to 256 states and 354 transitions. [2019-12-01 11:25:28,074 INFO L276 IsEmpty]: Start isEmpty. Operand 256 states and 354 transitions. [2019-12-01 11:25:28,075 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2019-12-01 11:25:28,075 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 11:25:28,083 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 11:25:28,106 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-12-01 11:25:28,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 11:25:28,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 359 states to 261 states and 359 transitions. [2019-12-01 11:25:28,137 INFO L276 IsEmpty]: Start isEmpty. Operand 261 states and 359 transitions. [2019-12-01 11:25:28,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2019-12-01 11:25:28,138 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 11:25:28,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 11:25:28,199 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 11:25:28,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 11:25:28,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 381 states to 280 states and 381 transitions. [2019-12-01 11:25:28,370 INFO L276 IsEmpty]: Start isEmpty. Operand 280 states and 381 transitions. [2019-12-01 11:25:28,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2019-12-01 11:25:28,371 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 11:25:28,380 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 11:25:28,419 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2019-12-01 11:25:28,785 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 11:25:28,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 391 states to 285 states and 391 transitions. [2019-12-01 11:25:28,786 INFO L276 IsEmpty]: Start isEmpty. Operand 285 states and 391 transitions. [2019-12-01 11:25:28,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2019-12-01 11:25:28,786 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 11:25:28,794 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 11:25:28,806 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2019-12-01 11:25:29,111 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 11:25:29,112 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 400 states to 291 states and 400 transitions. [2019-12-01 11:25:29,112 INFO L276 IsEmpty]: Start isEmpty. Operand 291 states and 400 transitions. [2019-12-01 11:25:29,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2019-12-01 11:25:29,113 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 11:25:29,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 11:25:29,139 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2019-12-01 11:25:29,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 11:25:29,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 404 states to 294 states and 404 transitions. [2019-12-01 11:25:29,237 INFO L276 IsEmpty]: Start isEmpty. Operand 294 states and 404 transitions. [2019-12-01 11:25:29,238 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2019-12-01 11:25:29,238 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 11:25:29,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 11:25:29,274 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2019-12-01 11:25:29,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 11:25:29,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 409 states to 299 states and 409 transitions. [2019-12-01 11:25:29,497 INFO L276 IsEmpty]: Start isEmpty. Operand 299 states and 409 transitions. [2019-12-01 11:25:29,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2019-12-01 11:25:29,498 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 11:25:29,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 11:25:29,527 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-12-01 11:25:29,751 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 11:25:29,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 428 states to 318 states and 428 transitions. [2019-12-01 11:25:29,751 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 428 transitions. [2019-12-01 11:25:29,752 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2019-12-01 11:25:29,752 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 11:25:29,760 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 11:25:29,856 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 11:25:30,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 11:25:30,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 437 states to 327 states and 437 transitions. [2019-12-01 11:25:30,050 INFO L276 IsEmpty]: Start isEmpty. Operand 327 states and 437 transitions. [2019-12-01 11:25:30,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2019-12-01 11:25:30,051 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 11:25:30,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 11:25:30,076 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2019-12-01 11:25:30,667 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 11:25:30,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 451 states to 336 states and 451 transitions. [2019-12-01 11:25:30,668 INFO L276 IsEmpty]: Start isEmpty. Operand 336 states and 451 transitions. [2019-12-01 11:25:30,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2019-12-01 11:25:30,669 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 11:25:30,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 11:25:30,792 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2019-12-01 11:25:31,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 11:25:31,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 457 states to 341 states and 457 transitions. [2019-12-01 11:25:31,141 INFO L276 IsEmpty]: Start isEmpty. Operand 341 states and 457 transitions. [2019-12-01 11:25:31,142 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2019-12-01 11:25:31,142 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 11:25:31,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 11:25:31,173 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 72 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2019-12-01 11:25:31,305 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 11:25:31,306 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 465 states to 346 states and 465 transitions. [2019-12-01 11:25:31,306 INFO L276 IsEmpty]: Start isEmpty. Operand 346 states and 465 transitions. [2019-12-01 11:25:31,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2019-12-01 11:25:31,307 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 11:25:31,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 11:25:31,329 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 72 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2019-12-01 11:25:31,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 11:25:31,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 474 states to 352 states and 474 transitions. [2019-12-01 11:25:31,651 INFO L276 IsEmpty]: Start isEmpty. Operand 352 states and 474 transitions. [2019-12-01 11:25:31,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2019-12-01 11:25:31,652 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 11:25:31,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 11:25:31,675 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 72 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2019-12-01 11:25:31,815 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 11:25:31,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 478 states to 355 states and 478 transitions. [2019-12-01 11:25:31,816 INFO L276 IsEmpty]: Start isEmpty. Operand 355 states and 478 transitions. [2019-12-01 11:25:31,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2019-12-01 11:25:31,816 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 11:25:31,823 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 11:25:31,838 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 72 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2019-12-01 11:25:32,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 11:25:32,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 483 states to 360 states and 483 transitions. [2019-12-01 11:25:32,128 INFO L276 IsEmpty]: Start isEmpty. Operand 360 states and 483 transitions. [2019-12-01 11:25:32,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2019-12-01 11:25:32,129 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 11:25:32,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 11:25:32,154 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 47 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-12-01 11:25:32,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 11:25:32,203 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 494 states to 371 states and 494 transitions. [2019-12-01 11:25:32,203 INFO L276 IsEmpty]: Start isEmpty. Operand 371 states and 494 transitions. [2019-12-01 11:25:32,204 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2019-12-01 11:25:32,204 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 11:25:32,211 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 11:25:32,275 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 53 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2019-12-01 11:25:32,724 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 11:25:32,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 513 states to 389 states and 513 transitions. [2019-12-01 11:25:32,725 INFO L276 IsEmpty]: Start isEmpty. Operand 389 states and 513 transitions. [2019-12-01 11:25:32,726 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2019-12-01 11:25:32,726 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 11:25:32,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 11:25:32,961 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 69 proven. 0 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2019-12-01 11:25:34,319 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 11:25:34,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 549 states to 417 states and 549 transitions. [2019-12-01 11:25:34,319 INFO L276 IsEmpty]: Start isEmpty. Operand 417 states and 549 transitions. [2019-12-01 11:25:34,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2019-12-01 11:25:34,321 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 11:25:34,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 11:25:34,373 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 69 proven. 0 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2019-12-01 11:25:34,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 11:25:34,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 557 states to 425 states and 557 transitions. [2019-12-01 11:25:34,909 INFO L276 IsEmpty]: Start isEmpty. Operand 425 states and 557 transitions. [2019-12-01 11:25:34,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2019-12-01 11:25:34,909 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 11:25:34,920 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 11:25:35,001 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 79 proven. 0 refuted. 0 times theorem prover too weak. 16 trivial. 0 not checked. [2019-12-01 11:25:35,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 11:25:35,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 606 states to 470 states and 606 transitions. [2019-12-01 11:25:35,526 INFO L276 IsEmpty]: Start isEmpty. Operand 470 states and 606 transitions. [2019-12-01 11:25:35,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2019-12-01 11:25:35,527 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 11:25:35,539 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 11:25:35,889 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 68 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 11:25:38,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 11:25:38,508 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 673 states to 535 states and 673 transitions. [2019-12-01 11:25:38,508 INFO L276 IsEmpty]: Start isEmpty. Operand 535 states and 673 transitions. [2019-12-01 11:25:38,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2019-12-01 11:25:38,509 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 11:25:38,516 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 11:25:38,540 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 76 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2019-12-01 11:25:38,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 11:25:38,765 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 682 states to 542 states and 682 transitions. [2019-12-01 11:25:38,765 INFO L276 IsEmpty]: Start isEmpty. Operand 542 states and 682 transitions. [2019-12-01 11:25:38,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2019-12-01 11:25:38,766 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 11:25:38,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 11:25:39,523 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 68 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-12-01 11:25:41,816 WARN L192 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 28 [2019-12-01 11:25:43,334 WARN L192 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 29 DAG size of output: 23 [2019-12-01 11:25:44,076 WARN L192 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 31 DAG size of output: 30 [2019-12-01 11:25:44,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 11:25:44,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 742 states to 597 states and 742 transitions. [2019-12-01 11:25:44,825 INFO L276 IsEmpty]: Start isEmpty. Operand 597 states and 742 transitions. [2019-12-01 11:25:44,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2019-12-01 11:25:44,826 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 11:25:44,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 11:25:45,317 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 75 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 11:25:46,969 WARN L192 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 34 [2019-12-01 11:25:47,685 WARN L192 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 31 DAG size of output: 31 [2019-12-01 11:25:48,407 WARN L192 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 31 DAG size of output: 31 [2019-12-01 11:25:49,184 WARN L192 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 26 DAG size of output: 26 [2019-12-01 11:25:50,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 11:25:50,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 824 states to 666 states and 824 transitions. [2019-12-01 11:25:50,808 INFO L276 IsEmpty]: Start isEmpty. Operand 666 states and 824 transitions. [2019-12-01 11:25:50,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2019-12-01 11:25:50,809 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 11:25:50,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 11:25:50,898 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 75 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 11:25:51,224 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 11:25:51,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 828 states to 669 states and 828 transitions. [2019-12-01 11:25:51,224 INFO L276 IsEmpty]: Start isEmpty. Operand 669 states and 828 transitions. [2019-12-01 11:25:51,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2019-12-01 11:25:51,225 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 11:25:51,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 11:25:51,275 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2019-12-01 11:25:51,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 11:25:51,300 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 828 states to 670 states and 828 transitions. [2019-12-01 11:25:51,300 INFO L276 IsEmpty]: Start isEmpty. Operand 670 states and 828 transitions. [2019-12-01 11:25:51,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2019-12-01 11:25:51,301 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 11:25:51,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 11:25:51,346 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 81 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 11:25:51,630 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 11:25:51,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 849 states to 691 states and 849 transitions. [2019-12-01 11:25:51,631 INFO L276 IsEmpty]: Start isEmpty. Operand 691 states and 849 transitions. [2019-12-01 11:25:51,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2019-12-01 11:25:51,632 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 11:25:51,643 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 11:25:51,859 INFO L134 CoverageAnalysis]: Checked inductivity of 123 backedges. 96 proven. 1 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2019-12-01 11:25:53,129 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 11:25:53,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 857 states to 696 states and 857 transitions. [2019-12-01 11:25:53,131 INFO L276 IsEmpty]: Start isEmpty. Operand 696 states and 857 transitions. [2019-12-01 11:25:53,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2019-12-01 11:25:53,133 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 11:25:53,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 11:25:53,242 INFO L134 CoverageAnalysis]: Checked inductivity of 123 backedges. 96 proven. 1 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2019-12-01 11:25:53,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 11:25:53,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 861 states to 699 states and 861 transitions. [2019-12-01 11:25:53,471 INFO L276 IsEmpty]: Start isEmpty. Operand 699 states and 861 transitions. [2019-12-01 11:25:53,471 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2019-12-01 11:25:53,471 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 11:25:53,479 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 11:25:53,572 INFO L134 CoverageAnalysis]: Checked inductivity of 123 backedges. 96 proven. 1 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2019-12-01 11:25:53,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 11:25:53,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 863 states to 702 states and 863 transitions. [2019-12-01 11:25:53,896 INFO L276 IsEmpty]: Start isEmpty. Operand 702 states and 863 transitions. [2019-12-01 11:25:53,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2019-12-01 11:25:53,897 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 11:25:53,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 11:25:54,125 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 81 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-12-01 11:25:55,180 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 11:25:55,182 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 933 states to 771 states and 933 transitions. [2019-12-01 11:25:55,182 INFO L276 IsEmpty]: Start isEmpty. Operand 771 states and 933 transitions. [2019-12-01 11:25:55,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2019-12-01 11:25:55,185 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 11:25:55,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 11:25:55,306 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 85 proven. 1 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2019-12-01 11:25:55,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 11:25:55,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 954 states to 791 states and 954 transitions. [2019-12-01 11:25:55,450 INFO L276 IsEmpty]: Start isEmpty. Operand 791 states and 954 transitions. [2019-12-01 11:25:55,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2019-12-01 11:25:55,450 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 11:25:55,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 11:25:55,758 INFO L134 CoverageAnalysis]: Checked inductivity of 183 backedges. 139 proven. 27 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2019-12-01 11:25:56,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 11:25:56,571 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 961 states to 795 states and 961 transitions. [2019-12-01 11:25:56,571 INFO L276 IsEmpty]: Start isEmpty. Operand 795 states and 961 transitions. [2019-12-01 11:25:56,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2019-12-01 11:25:56,572 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 11:25:56,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 11:25:56,710 INFO L134 CoverageAnalysis]: Checked inductivity of 183 backedges. 139 proven. 27 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2019-12-01 11:25:57,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 11:25:57,118 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 966 states to 799 states and 966 transitions. [2019-12-01 11:25:57,118 INFO L276 IsEmpty]: Start isEmpty. Operand 799 states and 966 transitions. [2019-12-01 11:25:57,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2019-12-01 11:25:57,119 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 11:25:57,136 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 11:25:57,238 INFO L134 CoverageAnalysis]: Checked inductivity of 183 backedges. 139 proven. 27 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2019-12-01 11:25:57,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 11:25:57,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 971 states to 804 states and 971 transitions. [2019-12-01 11:25:57,651 INFO L276 IsEmpty]: Start isEmpty. Operand 804 states and 971 transitions. [2019-12-01 11:25:57,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2019-12-01 11:25:57,652 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 11:25:57,663 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 11:25:58,533 INFO L134 CoverageAnalysis]: Checked inductivity of 181 backedges. 161 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 11:26:03,200 WARN L192 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 29 [2019-12-01 11:26:03,514 WARN L192 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 34 [2019-12-01 11:26:05,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 11:26:05,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1047 states to 863 states and 1047 transitions. [2019-12-01 11:26:05,356 INFO L276 IsEmpty]: Start isEmpty. Operand 863 states and 1047 transitions. [2019-12-01 11:26:05,358 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2019-12-01 11:26:05,358 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 11:26:05,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 11:26:05,452 INFO L134 CoverageAnalysis]: Checked inductivity of 181 backedges. 161 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 11:26:06,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 11:26:06,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1057 states to 871 states and 1057 transitions. [2019-12-01 11:26:06,316 INFO L276 IsEmpty]: Start isEmpty. Operand 871 states and 1057 transitions. [2019-12-01 11:26:06,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2019-12-01 11:26:06,317 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 11:26:06,329 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 11:26:06,370 INFO L134 CoverageAnalysis]: Checked inductivity of 147 backedges. 114 proven. 0 refuted. 0 times theorem prover too weak. 33 trivial. 0 not checked. [2019-12-01 11:26:06,431 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 11:26:06,432 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1059 states to 873 states and 1059 transitions. [2019-12-01 11:26:06,432 INFO L276 IsEmpty]: Start isEmpty. Operand 873 states and 1059 transitions. [2019-12-01 11:26:06,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2019-12-01 11:26:06,433 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 11:26:06,445 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 11:26:07,232 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 109 proven. 32 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 11:26:09,533 WARN L192 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 31 DAG size of output: 29 [2019-12-01 11:26:09,838 WARN L192 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 29 [2019-12-01 11:26:11,477 WARN L192 SmtUtils]: Spent 305.00 ms on a formula simplification. DAG size of input: 32 DAG size of output: 31 [2019-12-01 11:26:11,983 WARN L192 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 29 [2019-12-01 11:26:14,669 WARN L192 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 29 DAG size of output: 29 [2019-12-01 11:26:18,697 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 11:26:18,698 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1129 states to 931 states and 1129 transitions. [2019-12-01 11:26:18,698 INFO L276 IsEmpty]: Start isEmpty. Operand 931 states and 1129 transitions. [2019-12-01 11:26:18,699 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2019-12-01 11:26:18,699 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 11:26:18,710 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 11:26:18,914 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 109 proven. 32 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 11:26:24,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 11:26:24,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1154 states to 954 states and 1154 transitions. [2019-12-01 11:26:24,703 INFO L276 IsEmpty]: Start isEmpty. Operand 954 states and 1154 transitions. [2019-12-01 11:26:24,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2019-12-01 11:26:24,705 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 11:26:24,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 11:26:24,921 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 109 proven. 32 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 11:26:25,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 11:26:25,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1157 states to 958 states and 1157 transitions. [2019-12-01 11:26:25,301 INFO L276 IsEmpty]: Start isEmpty. Operand 958 states and 1157 transitions. [2019-12-01 11:26:25,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2019-12-01 11:26:25,302 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 11:26:25,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 11:26:25,685 INFO L134 CoverageAnalysis]: Checked inductivity of 245 backedges. 179 proven. 0 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2019-12-01 11:26:27,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 11:26:27,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1170 states to 965 states and 1170 transitions. [2019-12-01 11:26:27,675 INFO L276 IsEmpty]: Start isEmpty. Operand 965 states and 1170 transitions. [2019-12-01 11:26:27,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2019-12-01 11:26:27,676 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 11:26:27,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 11:26:27,714 INFO L134 CoverageAnalysis]: Checked inductivity of 245 backedges. 179 proven. 0 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2019-12-01 11:26:28,872 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 11:26:28,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1178 states to 970 states and 1178 transitions. [2019-12-01 11:26:28,873 INFO L276 IsEmpty]: Start isEmpty. Operand 970 states and 1178 transitions. [2019-12-01 11:26:28,874 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2019-12-01 11:26:28,874 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 11:26:28,885 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 11:26:28,922 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 139 proven. 0 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2019-12-01 11:26:29,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 11:26:29,184 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1182 states to 973 states and 1182 transitions. [2019-12-01 11:26:29,184 INFO L276 IsEmpty]: Start isEmpty. Operand 973 states and 1182 transitions. [2019-12-01 11:26:29,185 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2019-12-01 11:26:29,185 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 11:26:29,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 11:26:30,251 INFO L134 CoverageAnalysis]: Checked inductivity of 170 backedges. 129 proven. 41 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 11:26:37,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 11:26:37,967 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1265 states to 1042 states and 1265 transitions. [2019-12-01 11:26:37,967 INFO L276 IsEmpty]: Start isEmpty. Operand 1042 states and 1265 transitions. [2019-12-01 11:26:37,968 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2019-12-01 11:26:37,968 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 11:26:37,979 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 11:26:38,214 INFO L134 CoverageAnalysis]: Checked inductivity of 170 backedges. 129 proven. 41 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 11:26:38,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 11:26:38,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1269 states to 1045 states and 1269 transitions. [2019-12-01 11:26:38,628 INFO L276 IsEmpty]: Start isEmpty. Operand 1045 states and 1269 transitions. [2019-12-01 11:26:38,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2019-12-01 11:26:38,629 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 11:26:38,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 11:26:39,824 INFO L134 CoverageAnalysis]: Checked inductivity of 253 backedges. 188 proven. 0 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2019-12-01 11:26:42,040 WARN L192 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 26 [2019-12-01 11:26:44,476 WARN L192 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 24 [2019-12-01 11:26:45,177 WARN L192 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 37 [2019-12-01 11:26:46,079 WARN L192 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 38 [2019-12-01 11:26:47,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 11:26:47,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1311 states to 1082 states and 1311 transitions. [2019-12-01 11:26:47,103 INFO L276 IsEmpty]: Start isEmpty. Operand 1082 states and 1311 transitions. [2019-12-01 11:26:47,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2019-12-01 11:26:47,106 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 11:26:47,123 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 11:26:47,182 INFO L134 CoverageAnalysis]: Checked inductivity of 253 backedges. 188 proven. 0 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2019-12-01 11:26:48,237 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 11:26:48,238 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1328 states to 1100 states and 1328 transitions. [2019-12-01 11:26:48,238 INFO L276 IsEmpty]: Start isEmpty. Operand 1100 states and 1328 transitions. [2019-12-01 11:26:48,240 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2019-12-01 11:26:48,240 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 11:26:48,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 11:26:48,420 INFO L134 CoverageAnalysis]: Checked inductivity of 215 backedges. 149 proven. 0 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2019-12-01 11:26:53,508 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 11:26:53,509 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1356 states to 1124 states and 1356 transitions. [2019-12-01 11:26:53,509 INFO L276 IsEmpty]: Start isEmpty. Operand 1124 states and 1356 transitions. [2019-12-01 11:26:53,511 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2019-12-01 11:26:53,511 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 11:26:53,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 11:26:54,714 INFO L134 CoverageAnalysis]: Checked inductivity of 188 backedges. 184 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-12-01 11:26:58,409 WARN L192 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 39 [2019-12-01 11:27:00,783 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 11:27:00,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1363 states to 1128 states and 1363 transitions. [2019-12-01 11:27:00,786 INFO L276 IsEmpty]: Start isEmpty. Operand 1128 states and 1363 transitions. [2019-12-01 11:27:00,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2019-12-01 11:27:00,790 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 11:27:00,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 11:27:01,047 INFO L134 CoverageAnalysis]: Checked inductivity of 188 backedges. 184 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-12-01 11:27:02,755 WARN L192 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 37 [2019-12-01 11:27:03,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 11:27:03,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1367 states to 1131 states and 1367 transitions. [2019-12-01 11:27:03,363 INFO L276 IsEmpty]: Start isEmpty. Operand 1131 states and 1367 transitions. [2019-12-01 11:27:03,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2019-12-01 11:27:03,365 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 11:27:03,388 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 11:27:03,442 INFO L134 CoverageAnalysis]: Checked inductivity of 185 backedges. 127 proven. 0 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2019-12-01 11:27:04,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 11:27:04,115 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1441 states to 1201 states and 1441 transitions. [2019-12-01 11:27:04,115 INFO L276 IsEmpty]: Start isEmpty. Operand 1201 states and 1441 transitions. [2019-12-01 11:27:04,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2019-12-01 11:27:04,116 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 11:27:04,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 11:27:04,161 INFO L134 CoverageAnalysis]: Checked inductivity of 309 backedges. 236 proven. 0 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2019-12-01 11:27:04,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 11:27:04,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1457 states to 1218 states and 1457 transitions. [2019-12-01 11:27:04,665 INFO L276 IsEmpty]: Start isEmpty. Operand 1218 states and 1457 transitions. [2019-12-01 11:27:04,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2019-12-01 11:27:04,666 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 11:27:04,678 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 11:27:06,229 WARN L192 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 31 [2019-12-01 11:27:07,184 INFO L134 CoverageAnalysis]: Checked inductivity of 247 backedges. 186 proven. 0 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked. [2019-12-01 11:27:10,858 WARN L192 SmtUtils]: Spent 294.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 39 [2019-12-01 11:27:12,752 WARN L192 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 42 [2019-12-01 11:27:14,458 WARN L192 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 40 [2019-12-01 11:27:15,673 WARN L192 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 32 [2019-12-01 11:27:16,172 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 11:27:16,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1512 states to 1266 states and 1512 transitions. [2019-12-01 11:27:16,173 INFO L276 IsEmpty]: Start isEmpty. Operand 1266 states and 1512 transitions. [2019-12-01 11:27:16,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2019-12-01 11:27:16,175 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 11:27:16,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 11:27:16,336 INFO L134 CoverageAnalysis]: Checked inductivity of 247 backedges. 186 proven. 0 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked. [2019-12-01 11:27:18,026 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 11:27:18,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1515 states to 1270 states and 1515 transitions. [2019-12-01 11:27:18,027 INFO L276 IsEmpty]: Start isEmpty. Operand 1270 states and 1515 transitions. [2019-12-01 11:27:18,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 219 [2019-12-01 11:27:18,028 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 11:27:18,044 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 11:27:18,234 INFO L134 CoverageAnalysis]: Checked inductivity of 300 backedges. 146 proven. 0 refuted. 0 times theorem prover too weak. 154 trivial. 0 not checked. [2019-12-01 11:27:18,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 11:27:18,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1586 states to 1339 states and 1586 transitions. [2019-12-01 11:27:18,864 INFO L276 IsEmpty]: Start isEmpty. Operand 1339 states and 1586 transitions. [2019-12-01 11:27:18,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 239 [2019-12-01 11:27:18,866 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 11:27:18,883 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 11:27:19,209 INFO L134 CoverageAnalysis]: Checked inductivity of 360 backedges. 166 proven. 0 refuted. 0 times theorem prover too weak. 194 trivial. 0 not checked. [2019-12-01 11:27:23,310 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 11:27:23,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1661 states to 1409 states and 1661 transitions. [2019-12-01 11:27:23,314 INFO L276 IsEmpty]: Start isEmpty. Operand 1409 states and 1661 transitions. [2019-12-01 11:27:23,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 269 [2019-12-01 11:27:23,319 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 11:27:23,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 11:27:26,426 INFO L134 CoverageAnalysis]: Checked inductivity of 413 backedges. 319 proven. 0 refuted. 0 times theorem prover too weak. 94 trivial. 0 not checked. [2019-12-01 11:27:35,781 WARN L192 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 30 DAG size of output: 30 [2019-12-01 11:27:40,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 11:27:40,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1768 states to 1497 states and 1768 transitions. [2019-12-01 11:27:40,417 INFO L276 IsEmpty]: Start isEmpty. Operand 1497 states and 1768 transitions. [2019-12-01 11:27:40,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 269 [2019-12-01 11:27:40,419 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 11:27:40,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 11:27:40,620 INFO L134 CoverageAnalysis]: Checked inductivity of 413 backedges. 319 proven. 0 refuted. 0 times theorem prover too weak. 94 trivial. 0 not checked. [2019-12-01 11:27:47,554 WARN L192 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 35 [2019-12-01 11:27:50,149 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 11:27:50,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1809 states to 1534 states and 1809 transitions. [2019-12-01 11:27:50,151 INFO L276 IsEmpty]: Start isEmpty. Operand 1534 states and 1809 transitions. [2019-12-01 11:27:50,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 271 [2019-12-01 11:27:50,153 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 11:27:50,171 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 11:27:51,857 WARN L192 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 30 DAG size of output: 26 [2019-12-01 11:27:52,059 INFO L134 CoverageAnalysis]: Checked inductivity of 382 backedges. 312 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2019-12-01 11:27:53,823 WARN L192 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 31 [2019-12-01 11:27:57,320 WARN L192 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 26 DAG size of output: 25 [2019-12-01 11:27:59,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 11:27:59,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1832 states to 1552 states and 1832 transitions. [2019-12-01 11:27:59,943 INFO L276 IsEmpty]: Start isEmpty. Operand 1552 states and 1832 transitions. [2019-12-01 11:27:59,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 271 [2019-12-01 11:27:59,945 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 11:27:59,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 11:28:00,161 INFO L134 CoverageAnalysis]: Checked inductivity of 382 backedges. 312 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2019-12-01 11:28:00,781 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 11:28:00,783 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1836 states to 1555 states and 1836 transitions. [2019-12-01 11:28:00,783 INFO L276 IsEmpty]: Start isEmpty. Operand 1555 states and 1836 transitions. [2019-12-01 11:28:00,785 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 277 [2019-12-01 11:28:00,785 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 11:28:00,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 11:28:01,297 INFO L134 CoverageAnalysis]: Checked inductivity of 451 backedges. 335 proven. 0 refuted. 0 times theorem prover too weak. 116 trivial. 0 not checked. [2019-12-01 11:28:09,785 WARN L192 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 32 DAG size of output: 32 [2019-12-01 11:28:14,831 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 11:28:14,833 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1970 states to 1679 states and 1970 transitions. [2019-12-01 11:28:14,833 INFO L276 IsEmpty]: Start isEmpty. Operand 1679 states and 1970 transitions. [2019-12-01 11:28:14,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 278 [2019-12-01 11:28:14,835 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 11:28:14,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 11:28:16,744 WARN L192 SmtUtils]: Spent 162.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 33 [2019-12-01 11:28:18,700 INFO L134 CoverageAnalysis]: Checked inductivity of 431 backedges. 339 proven. 0 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2019-12-01 11:28:19,114 WARN L192 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 32 [2019-12-01 11:28:20,738 WARN L192 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 33 [2019-12-01 11:28:26,131 WARN L192 SmtUtils]: Spent 215.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 37 [2019-12-01 11:28:27,447 WARN L192 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 38 [2019-12-01 11:28:29,492 WARN L192 SmtUtils]: Spent 116.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 25 [2019-12-01 11:28:30,213 WARN L192 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 31 [2019-12-01 11:28:32,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 11:28:32,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2005 states to 1710 states and 2005 transitions. [2019-12-01 11:28:32,674 INFO L276 IsEmpty]: Start isEmpty. Operand 1710 states and 2005 transitions. [2019-12-01 11:28:32,676 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 278 [2019-12-01 11:28:32,676 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 11:28:32,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 11:28:32,929 INFO L134 CoverageAnalysis]: Checked inductivity of 431 backedges. 339 proven. 0 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2019-12-01 11:28:35,144 WARN L192 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 30 [2019-12-01 11:28:35,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 11:28:35,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2004 states to 1711 states and 2004 transitions. [2019-12-01 11:28:35,494 INFO L276 IsEmpty]: Start isEmpty. Operand 1711 states and 2004 transitions. [2019-12-01 11:28:35,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 281 [2019-12-01 11:28:35,497 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 11:28:35,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 11:28:38,100 WARN L192 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 33 [2019-12-01 11:28:39,413 INFO L134 CoverageAnalysis]: Checked inductivity of 443 backedges. 339 proven. 0 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2019-12-01 11:28:42,737 WARN L192 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 39 [2019-12-01 11:28:44,579 WARN L192 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 32 [2019-12-01 11:28:55,446 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 11:28:55,448 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2062 states to 1763 states and 2062 transitions. [2019-12-01 11:28:55,448 INFO L276 IsEmpty]: Start isEmpty. Operand 1763 states and 2062 transitions. [2019-12-01 11:28:55,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 281 [2019-12-01 11:28:55,450 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 11:28:55,464 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 11:28:55,675 INFO L134 CoverageAnalysis]: Checked inductivity of 443 backedges. 339 proven. 0 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2019-12-01 11:28:57,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 11:28:57,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2066 states to 1766 states and 2066 transitions. [2019-12-01 11:28:57,217 INFO L276 IsEmpty]: Start isEmpty. Operand 1766 states and 2066 transitions. [2019-12-01 11:28:57,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 284 [2019-12-01 11:28:57,219 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 11:28:57,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 11:28:59,420 INFO L134 CoverageAnalysis]: Checked inductivity of 449 backedges. 345 proven. 0 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2019-12-01 11:29:02,824 WARN L192 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 33 [2019-12-01 11:29:04,242 WARN L192 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 39 [2019-12-01 11:29:06,959 WARN L192 SmtUtils]: Spent 337.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 42 [2019-12-01 11:29:08,403 WARN L192 SmtUtils]: Spent 107.00 ms on a formula simplification that was a NOOP. DAG size: 43 [2019-12-01 11:29:09,119 WARN L192 SmtUtils]: Spent 108.00 ms on a formula simplification that was a NOOP. DAG size: 45 [2019-12-01 11:29:09,575 WARN L192 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 38 [2019-12-01 11:29:10,210 WARN L192 SmtUtils]: Spent 130.00 ms on a formula simplification that was a NOOP. DAG size: 39 [2019-12-01 11:29:11,999 WARN L192 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 35 [2019-12-01 11:29:15,970 WARN L192 SmtUtils]: Spent 233.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 37 [2019-12-01 11:29:20,599 WARN L192 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 34 [2019-12-01 11:29:21,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 11:29:21,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2139 states to 1835 states and 2139 transitions. [2019-12-01 11:29:21,846 INFO L276 IsEmpty]: Start isEmpty. Operand 1835 states and 2139 transitions. [2019-12-01 11:29:21,849 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 284 [2019-12-01 11:29:21,849 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 11:29:21,863 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 11:29:22,290 INFO L134 CoverageAnalysis]: Checked inductivity of 449 backedges. 345 proven. 0 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2019-12-01 11:29:25,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 11:29:25,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2142 states to 1838 states and 2142 transitions. [2019-12-01 11:29:25,051 INFO L276 IsEmpty]: Start isEmpty. Operand 1838 states and 2142 transitions. [2019-12-01 11:29:25,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 285 [2019-12-01 11:29:25,053 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 11:29:25,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 11:29:25,856 INFO L134 CoverageAnalysis]: Checked inductivity of 496 backedges. 402 proven. 0 refuted. 0 times theorem prover too weak. 94 trivial. 0 not checked. [2019-12-01 11:29:30,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 11:29:30,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2217 states to 1910 states and 2217 transitions. [2019-12-01 11:29:30,360 INFO L276 IsEmpty]: Start isEmpty. Operand 1910 states and 2217 transitions. [2019-12-01 11:29:30,365 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 287 [2019-12-01 11:29:30,365 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 11:29:30,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 11:29:30,641 INFO L134 CoverageAnalysis]: Checked inductivity of 430 backedges. 342 proven. 5 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2019-12-01 11:29:31,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 11:29:31,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2219 states to 1912 states and 2219 transitions. [2019-12-01 11:29:31,633 INFO L276 IsEmpty]: Start isEmpty. Operand 1912 states and 2219 transitions. [2019-12-01 11:29:31,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 294 [2019-12-01 11:29:31,635 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 11:29:31,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 11:29:36,779 WARN L192 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 28 DAG size of output: 24 [2019-12-01 11:29:36,984 INFO L134 CoverageAnalysis]: Checked inductivity of 532 backedges. 430 proven. 0 refuted. 0 times theorem prover too weak. 102 trivial. 0 not checked. [2019-12-01 11:29:40,165 WARN L192 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 38 [2019-12-01 11:29:41,841 WARN L192 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 39 [2019-12-01 11:29:46,465 WARN L192 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 40 [2019-12-01 11:29:48,076 WARN L192 SmtUtils]: Spent 249.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 37 [2019-12-01 11:29:50,269 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 11:29:50,270 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2289 states to 1975 states and 2289 transitions. [2019-12-01 11:29:50,270 INFO L276 IsEmpty]: Start isEmpty. Operand 1975 states and 2289 transitions. [2019-12-01 11:29:50,272 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 302 [2019-12-01 11:29:50,272 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 11:29:50,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 11:29:51,244 INFO L134 CoverageAnalysis]: Checked inductivity of 550 backedges. 476 proven. 4 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2019-12-01 11:29:55,603 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 11:29:55,604 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2295 states to 1979 states and 2295 transitions. [2019-12-01 11:29:55,605 INFO L276 IsEmpty]: Start isEmpty. Operand 1979 states and 2295 transitions. [2019-12-01 11:29:55,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 302 [2019-12-01 11:29:55,606 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 11:29:55,625 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 11:29:56,505 INFO L134 CoverageAnalysis]: Checked inductivity of 550 backedges. 476 proven. 4 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2019-12-01 11:29:57,712 WARN L192 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 44 [2019-12-01 11:29:58,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 11:29:58,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2298 states to 1982 states and 2298 transitions. [2019-12-01 11:29:58,535 INFO L276 IsEmpty]: Start isEmpty. Operand 1982 states and 2298 transitions. [2019-12-01 11:29:58,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 311 [2019-12-01 11:29:58,537 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 11:29:58,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 11:30:00,345 WARN L192 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 28 DAG size of output: 24 [2019-12-01 11:30:00,531 INFO L134 CoverageAnalysis]: Checked inductivity of 554 backedges. 346 proven. 0 refuted. 0 times theorem prover too weak. 208 trivial. 0 not checked. [2019-12-01 11:30:03,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 11:30:03,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2311 states to 1993 states and 2311 transitions. [2019-12-01 11:30:03,447 INFO L276 IsEmpty]: Start isEmpty. Operand 1993 states and 2311 transitions. [2019-12-01 11:30:03,448 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 311 [2019-12-01 11:30:03,448 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 11:30:03,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 11:30:03,901 INFO L134 CoverageAnalysis]: Checked inductivity of 554 backedges. 346 proven. 0 refuted. 0 times theorem prover too weak. 208 trivial. 0 not checked. [2019-12-01 11:30:05,903 WARN L192 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 28 [2019-12-01 11:30:09,015 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 11:30:09,016 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2328 states to 2010 states and 2328 transitions. [2019-12-01 11:30:09,016 INFO L276 IsEmpty]: Start isEmpty. Operand 2010 states and 2328 transitions. [2019-12-01 11:30:09,017 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 314 [2019-12-01 11:30:09,017 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 11:30:09,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 11:30:11,816 WARN L192 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 32 [2019-12-01 11:30:13,150 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 497 proven. 0 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2019-12-01 11:30:16,127 WARN L192 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 42 [2019-12-01 11:30:17,404 WARN L192 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 43 [2019-12-01 11:30:18,495 WARN L192 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 43 [2019-12-01 11:30:25,158 WARN L192 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 42 [2019-12-01 11:30:26,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 11:30:26,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2377 states to 2050 states and 2377 transitions. [2019-12-01 11:30:26,320 INFO L276 IsEmpty]: Start isEmpty. Operand 2050 states and 2377 transitions. [2019-12-01 11:30:26,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 314 [2019-12-01 11:30:26,322 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 11:30:26,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 11:30:26,593 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 497 proven. 0 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2019-12-01 11:30:27,332 WARN L192 SmtUtils]: Spent 105.00 ms on a formula simplification. DAG size of input: 31 DAG size of output: 31 [2019-12-01 11:30:30,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 11:30:30,148 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2384 states to 2058 states and 2384 transitions. [2019-12-01 11:30:30,148 INFO L276 IsEmpty]: Start isEmpty. Operand 2058 states and 2384 transitions. [2019-12-01 11:30:30,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 315 [2019-12-01 11:30:30,164 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 11:30:30,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 11:30:33,296 INFO L134 CoverageAnalysis]: Checked inductivity of 656 backedges. 541 proven. 0 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2019-12-01 11:30:35,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 11:30:35,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2455 states to 2127 states and 2455 transitions. [2019-12-01 11:30:35,262 INFO L276 IsEmpty]: Start isEmpty. Operand 2127 states and 2455 transitions. [2019-12-01 11:30:35,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 316 [2019-12-01 11:30:35,264 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 11:30:35,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 11:30:36,010 INFO L134 CoverageAnalysis]: Checked inductivity of 569 backedges. 413 proven. 0 refuted. 0 times theorem prover too weak. 156 trivial. 0 not checked. [2019-12-01 11:30:38,182 WARN L192 SmtUtils]: Spent 206.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 34 [2019-12-01 11:30:47,957 WARN L192 SmtUtils]: Spent 254.00 ms on a formula simplification. DAG size of input: 32 DAG size of output: 32 [2019-12-01 11:30:50,338 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 11:30:50,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2573 states to 2238 states and 2573 transitions. [2019-12-01 11:30:50,341 INFO L276 IsEmpty]: Start isEmpty. Operand 2238 states and 2573 transitions. [2019-12-01 11:30:50,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 328 [2019-12-01 11:30:50,344 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 11:30:50,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 11:30:54,063 INFO L134 CoverageAnalysis]: Checked inductivity of 701 backedges. 513 proven. 94 refuted. 0 times theorem prover too weak. 94 trivial. 0 not checked. [2019-12-01 11:31:00,295 WARN L192 SmtUtils]: Spent 192.00 ms on a formula simplification that was a NOOP. DAG size: 46 [2019-12-01 11:31:02,823 WARN L192 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 46 [2019-12-01 11:31:04,170 WARN L192 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 45 [2019-12-01 11:31:04,772 WARN L192 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 45 [2019-12-01 11:31:05,367 WARN L192 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 45 [2019-12-01 11:31:06,079 WARN L192 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 45 [2019-12-01 11:31:07,045 WARN L192 SmtUtils]: Spent 229.00 ms on a formula simplification that was a NOOP. DAG size: 46 [2019-12-01 11:31:07,262 WARN L192 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 46 [2019-12-01 11:31:09,639 WARN L192 SmtUtils]: Spent 219.00 ms on a formula simplification that was a NOOP. DAG size: 47 [2019-12-01 11:31:11,278 WARN L192 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 46 [2019-12-01 11:31:12,931 WARN L192 SmtUtils]: Spent 218.00 ms on a formula simplification that was a NOOP. DAG size: 47 [2019-12-01 11:31:13,449 WARN L192 SmtUtils]: Spent 172.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 44 [2019-12-01 11:31:14,330 WARN L192 SmtUtils]: Spent 129.00 ms on a formula simplification that was a NOOP. DAG size: 45 [2019-12-01 11:31:15,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 11:31:15,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2616 states to 2278 states and 2616 transitions. [2019-12-01 11:31:15,373 INFO L276 IsEmpty]: Start isEmpty. Operand 2278 states and 2616 transitions. [2019-12-01 11:31:15,376 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 328 [2019-12-01 11:31:15,376 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 11:31:15,398 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 11:31:15,683 INFO L134 CoverageAnalysis]: Checked inductivity of 701 backedges. 513 proven. 94 refuted. 0 times theorem prover too weak. 94 trivial. 0 not checked. [2019-12-01 11:31:16,029 WARN L192 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 48 [2019-12-01 11:31:19,495 WARN L192 SmtUtils]: Spent 209.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 34 [2019-12-01 11:31:23,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 11:31:23,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2643 states to 2307 states and 2643 transitions. [2019-12-01 11:31:23,185 INFO L276 IsEmpty]: Start isEmpty. Operand 2307 states and 2643 transitions. [2019-12-01 11:31:23,187 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 333 [2019-12-01 11:31:23,187 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 11:31:23,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 11:31:25,840 WARN L192 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 31 [2019-12-01 11:31:27,328 INFO L134 CoverageAnalysis]: Checked inductivity of 726 backedges. 611 proven. 0 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2019-12-01 11:31:28,851 WARN L192 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 47 [2019-12-01 11:31:31,103 WARN L192 SmtUtils]: Spent 322.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 44 [2019-12-01 11:31:32,448 WARN L192 SmtUtils]: Spent 174.00 ms on a formula simplification that was a NOOP. DAG size: 45 [2019-12-01 11:31:33,068 WARN L192 SmtUtils]: Spent 388.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 48 [2019-12-01 11:31:33,635 WARN L192 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 48 [2019-12-01 11:31:34,278 WARN L192 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 48 [2019-12-01 11:31:35,598 WARN L192 SmtUtils]: Spent 111.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 50 [2019-12-01 11:31:36,269 WARN L192 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 48 [2019-12-01 11:31:37,291 WARN L192 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 49 [2019-12-01 11:31:38,722 WARN L192 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 49 [2019-12-01 11:31:40,085 WARN L192 SmtUtils]: Spent 187.00 ms on a formula simplification that was a NOOP. DAG size: 50 [2019-12-01 11:31:40,828 WARN L192 SmtUtils]: Spent 382.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 49 [2019-12-01 11:31:41,942 WARN L192 SmtUtils]: Spent 132.00 ms on a formula simplification that was a NOOP. DAG size: 50 [2019-12-01 11:31:42,646 WARN L192 SmtUtils]: Spent 431.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 49 [2019-12-01 11:31:44,095 WARN L192 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 49 [2019-12-01 11:31:46,821 WARN L192 SmtUtils]: Spent 113.00 ms on a formula simplification that was a NOOP. DAG size: 50 [2019-12-01 11:31:47,714 WARN L192 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 47 [2019-12-01 11:31:49,073 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 11:31:49,074 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2688 states to 2348 states and 2688 transitions. [2019-12-01 11:31:49,074 INFO L276 IsEmpty]: Start isEmpty. Operand 2348 states and 2688 transitions. [2019-12-01 11:31:49,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 333 [2019-12-01 11:31:49,076 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 11:31:49,095 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 11:31:49,367 INFO L134 CoverageAnalysis]: Checked inductivity of 726 backedges. 611 proven. 0 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2019-12-01 11:31:49,644 WARN L192 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 52 DAG size of output: 52 [2019-12-01 11:31:51,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 11:31:51,393 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2693 states to 2355 states and 2693 transitions. [2019-12-01 11:31:51,393 INFO L276 IsEmpty]: Start isEmpty. Operand 2355 states and 2693 transitions. [2019-12-01 11:31:51,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 355 [2019-12-01 11:31:51,395 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 11:31:51,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 11:31:51,536 INFO L134 CoverageAnalysis]: Checked inductivity of 836 backedges. 422 proven. 4 refuted. 0 times theorem prover too weak. 410 trivial. 0 not checked. [2019-12-01 11:31:52,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 11:31:52,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2705 states to 2360 states and 2705 transitions. [2019-12-01 11:31:52,511 INFO L276 IsEmpty]: Start isEmpty. Operand 2360 states and 2705 transitions. [2019-12-01 11:31:52,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 355 [2019-12-01 11:31:52,513 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 11:31:52,546 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 11:31:52,661 INFO L134 CoverageAnalysis]: Checked inductivity of 836 backedges. 422 proven. 4 refuted. 0 times theorem prover too weak. 410 trivial. 0 not checked. [2019-12-01 11:31:53,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 11:31:53,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2706 states to 2361 states and 2706 transitions. [2019-12-01 11:31:53,401 INFO L276 IsEmpty]: Start isEmpty. Operand 2361 states and 2706 transitions. [2019-12-01 11:31:53,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 355 [2019-12-01 11:31:53,403 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 11:31:53,427 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 11:31:53,539 INFO L134 CoverageAnalysis]: Checked inductivity of 836 backedges. 422 proven. 4 refuted. 0 times theorem prover too weak. 410 trivial. 0 not checked. [2019-12-01 11:31:55,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 11:31:55,147 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2710 states to 2362 states and 2710 transitions. [2019-12-01 11:31:55,147 INFO L276 IsEmpty]: Start isEmpty. Operand 2362 states and 2710 transitions. [2019-12-01 11:31:55,148 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 426 [2019-12-01 11:31:55,148 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 11:31:55,176 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 11:31:55,340 INFO L134 CoverageAnalysis]: Checked inductivity of 1188 backedges. 633 proven. 8 refuted. 0 times theorem prover too weak. 547 trivial. 0 not checked. [2019-12-01 11:32:01,077 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 11:32:01,078 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2779 states to 2431 states and 2779 transitions. [2019-12-01 11:32:01,078 INFO L276 IsEmpty]: Start isEmpty. Operand 2431 states and 2779 transitions. [2019-12-01 11:32:01,080 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 426 [2019-12-01 11:32:01,080 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 11:32:01,108 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 11:32:01,284 INFO L134 CoverageAnalysis]: Checked inductivity of 1188 backedges. 633 proven. 8 refuted. 0 times theorem prover too weak. 547 trivial. 0 not checked. [2019-12-01 11:32:06,356 WARN L192 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 25 DAG size of output: 25 [2019-12-01 11:32:07,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 11:32:07,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2850 states to 2500 states and 2850 transitions. [2019-12-01 11:32:07,805 INFO L276 IsEmpty]: Start isEmpty. Operand 2500 states and 2850 transitions. [2019-12-01 11:32:07,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 426 [2019-12-01 11:32:07,807 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 11:32:07,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 11:32:08,012 INFO L134 CoverageAnalysis]: Checked inductivity of 1188 backedges. 633 proven. 8 refuted. 0 times theorem prover too weak. 547 trivial. 0 not checked. [2019-12-01 11:32:09,909 WARN L192 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 29 [2019-12-01 11:32:10,265 WARN L192 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 30 [2019-12-01 11:32:12,777 WARN L192 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 36 [2019-12-01 11:32:14,632 WARN L192 SmtUtils]: Spent 154.00 ms on a formula simplification that was a NOOP. DAG size: 39 [2019-12-01 11:32:15,158 WARN L192 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 28 [2019-12-01 11:32:15,706 WARN L192 SmtUtils]: Spent 250.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 33 [2019-12-01 11:32:23,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 11:32:23,467 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2925 states to 2569 states and 2925 transitions. [2019-12-01 11:32:23,467 INFO L276 IsEmpty]: Start isEmpty. Operand 2569 states and 2925 transitions. [2019-12-01 11:32:23,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 426 [2019-12-01 11:32:23,469 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 11:32:23,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 11:32:23,676 INFO L134 CoverageAnalysis]: Checked inductivity of 1188 backedges. 633 proven. 8 refuted. 0 times theorem prover too weak. 547 trivial. 0 not checked. [2019-12-01 11:32:24,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 11:32:24,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2927 states to 2572 states and 2927 transitions. [2019-12-01 11:32:24,400 INFO L276 IsEmpty]: Start isEmpty. Operand 2572 states and 2927 transitions. [2019-12-01 11:32:24,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 426 [2019-12-01 11:32:24,402 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 11:32:24,430 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 11:32:24,595 INFO L134 CoverageAnalysis]: Checked inductivity of 1188 backedges. 633 proven. 8 refuted. 0 times theorem prover too weak. 547 trivial. 0 not checked. [2019-12-01 11:32:32,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 11:32:32,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2996 states to 2641 states and 2996 transitions. [2019-12-01 11:32:32,279 INFO L276 IsEmpty]: Start isEmpty. Operand 2641 states and 2996 transitions. [2019-12-01 11:32:32,282 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 426 [2019-12-01 11:32:32,282 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 11:32:32,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 11:32:32,490 INFO L134 CoverageAnalysis]: Checked inductivity of 1188 backedges. 633 proven. 8 refuted. 0 times theorem prover too weak. 547 trivial. 0 not checked. [2019-12-01 11:32:35,271 WARN L192 SmtUtils]: Spent 148.00 ms on a formula simplification that was a NOOP. DAG size: 42 [2019-12-01 11:32:35,856 WARN L192 SmtUtils]: Spent 271.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 38 [2019-12-01 11:32:36,321 WARN L192 SmtUtils]: Spent 234.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 37 [2019-12-01 11:32:44,644 WARN L192 SmtUtils]: Spent 141.00 ms on a formula simplification that was a NOOP. DAG size: 43 [2019-12-01 11:32:45,336 WARN L192 SmtUtils]: Spent 253.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 39 [2019-12-01 11:32:47,059 WARN L192 SmtUtils]: Spent 164.00 ms on a formula simplification that was a NOOP. DAG size: 40 [2019-12-01 11:32:48,201 WARN L192 SmtUtils]: Spent 188.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 39 [2019-12-01 11:32:49,455 WARN L192 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 39 [2019-12-01 11:32:51,250 WARN L192 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 39 [2019-12-01 11:32:53,423 WARN L192 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 36 [2019-12-01 11:32:53,727 WARN L192 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 40 [2019-12-01 11:32:55,237 WARN L192 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 36 [2019-12-01 11:32:57,958 WARN L192 SmtUtils]: Spent 122.00 ms on a formula simplification that was a NOOP. DAG size: 40 [2019-12-01 11:33:00,605 WARN L192 SmtUtils]: Spent 247.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 34 [2019-12-01 11:33:02,556 WARN L192 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 35 [2019-12-01 11:33:02,943 WARN L192 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 28 [2019-12-01 11:33:03,319 WARN L192 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 33 [2019-12-01 11:33:05,584 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 11:33:05,586 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3042 states to 2682 states and 3042 transitions. [2019-12-01 11:33:05,586 INFO L276 IsEmpty]: Start isEmpty. Operand 2682 states and 3042 transitions. [2019-12-01 11:33:05,587 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 426 [2019-12-01 11:33:05,588 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 11:33:05,615 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 11:33:05,780 INFO L134 CoverageAnalysis]: Checked inductivity of 1188 backedges. 633 proven. 8 refuted. 0 times theorem prover too weak. 547 trivial. 0 not checked. [2019-12-01 11:33:06,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 11:33:06,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2614 states to 2286 states and 2614 transitions. [2019-12-01 11:33:06,438 INFO L276 IsEmpty]: Start isEmpty. Operand 2286 states and 2614 transitions. [2019-12-01 11:33:06,439 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-12-01 11:33:06,439 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 99 iterations. [2019-12-01 11:33:06,446 INFO L765 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2019-12-01 11:33:06,602 WARN L192 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 40 [2019-12-01 11:33:06,750 WARN L192 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 40 [2019-12-01 11:33:06,952 WARN L192 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 42 [2019-12-01 11:33:07,098 WARN L192 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 40 [2019-12-01 11:33:07,309 WARN L192 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 43 [2019-12-01 11:33:07,610 WARN L192 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 41 [2019-12-01 11:33:07,822 WARN L192 SmtUtils]: Spent 211.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 29 [2019-12-01 11:33:08,049 WARN L192 SmtUtils]: Spent 226.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 42 [2019-12-01 11:33:08,264 WARN L192 SmtUtils]: Spent 214.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 42 [2019-12-01 11:33:08,374 WARN L192 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 32 [2019-12-01 11:33:08,478 WARN L192 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 32 [2019-12-01 11:33:08,622 WARN L192 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 29 [2019-12-01 11:33:08,810 WARN L192 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 41 [2019-12-01 11:33:09,011 WARN L192 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 39 [2019-12-01 11:33:09,131 WARN L192 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 32 [2019-12-01 11:33:09,332 WARN L192 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 39 [2019-12-01 11:33:09,579 WARN L192 SmtUtils]: Spent 246.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 42 [2019-12-01 11:33:09,696 WARN L192 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 32 [2019-12-01 11:33:09,985 WARN L192 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 41 [2019-12-01 11:33:10,394 WARN L192 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 42 [2019-12-01 11:33:10,566 WARN L192 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 40 [2019-12-01 11:33:10,841 WARN L192 SmtUtils]: Spent 274.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 40 [2019-12-01 11:33:11,277 WARN L192 SmtUtils]: Spent 435.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 41 [2019-12-01 11:33:11,694 WARN L192 SmtUtils]: Spent 415.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 32 [2019-12-01 11:33:11,930 WARN L192 SmtUtils]: Spent 235.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 40 [2019-12-01 11:33:12,082 WARN L192 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 39 [2019-12-01 11:33:12,224 WARN L192 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 39 [2019-12-01 11:33:12,342 WARN L192 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 35 [2019-12-01 11:33:12,488 WARN L192 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 40 [2019-12-01 11:33:12,734 WARN L192 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 40 [2019-12-01 11:33:12,888 WARN L192 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 39 [2019-12-01 11:33:12,991 WARN L192 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 32 [2019-12-01 11:33:13,141 WARN L192 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 39 [2019-12-01 11:33:13,359 WARN L192 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 41 [2019-12-01 11:33:13,488 WARN L192 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 32 [2019-12-01 11:33:13,708 WARN L192 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 39 [2019-12-01 11:33:13,833 WARN L192 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 73 DAG size of output: 32 [2019-12-01 11:33:14,062 WARN L192 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 40 [2019-12-01 11:33:14,373 WARN L192 SmtUtils]: Spent 310.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 41 [2019-12-01 11:33:14,539 WARN L192 SmtUtils]: Spent 166.00 ms on a formula simplification. DAG size of input: 67 DAG size of output: 28 [2019-12-01 11:33:15,243 WARN L192 SmtUtils]: Spent 702.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 41 [2019-12-01 11:33:15,344 WARN L192 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 8 [2019-12-01 11:33:16,180 WARN L192 SmtUtils]: Spent 835.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 41 [2019-12-01 11:33:16,764 WARN L192 SmtUtils]: Spent 582.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 40 [2019-12-01 11:33:16,865 WARN L192 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 88 DAG size of output: 32 [2019-12-01 11:33:17,053 WARN L192 SmtUtils]: Spent 187.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 41 [2019-12-01 11:33:17,289 WARN L192 SmtUtils]: Spent 235.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 29 [2019-12-01 11:33:17,534 WARN L192 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 40 [2019-12-01 11:33:17,672 WARN L192 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 40 [2019-12-01 11:33:17,844 WARN L192 SmtUtils]: Spent 171.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 41 [2019-12-01 11:33:18,090 WARN L192 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 40 [2019-12-01 11:33:18,304 WARN L192 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 42 [2019-12-01 11:33:18,827 WARN L192 SmtUtils]: Spent 523.00 ms on a formula simplification. DAG size of input: 171 DAG size of output: 68 [2019-12-01 11:33:19,151 WARN L192 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 40 [2019-12-01 11:33:19,306 WARN L192 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 40 [2019-12-01 11:33:19,514 WARN L192 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 43 [2019-12-01 11:33:19,619 WARN L192 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 89 DAG size of output: 32 [2019-12-01 11:33:19,837 WARN L192 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 40 [2019-12-01 11:33:20,037 WARN L192 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 40 [2019-12-01 11:33:20,231 WARN L192 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 41 [2019-12-01 11:33:20,400 WARN L192 SmtUtils]: Spent 168.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 39 [2019-12-01 11:33:20,401 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-12-01 11:33:20,404 INFO L569 CodeCheckObserver]: Invariant with dag size 29 [2019-12-01 11:33:20,410 INFO L569 CodeCheckObserver]: Invariant with dag size 29 [2019-12-01 11:33:20,411 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 01.12 11:33:20 ImpRootNode [2019-12-01 11:33:20,411 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2019-12-01 11:33:20,411 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-01 11:33:20,411 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-01 11:33:20,411 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-01 11:33:20,411 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 11:25:25" (3/4) ... [2019-12-01 11:33:20,413 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-12-01 11:33:20,427 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 99 nodes and edges [2019-12-01 11:33:20,428 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 18 nodes and edges [2019-12-01 11:33:20,429 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2019-12-01 11:33:20,430 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-12-01 11:33:20,514 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_18f66466-ab52-49a0-8591-ec216bfb4dc3/bin/ukojak/witness.graphml [2019-12-01 11:33:20,514 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-01 11:33:20,515 INFO L168 Benchmark]: Toolchain (without parser) took 476439.54 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 201.3 MB). Free memory was 934.4 MB in the beginning and 893.7 MB in the end (delta: 40.7 MB). Peak memory consumption was 646.8 MB. Max. memory is 11.5 GB. [2019-12-01 11:33:20,515 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 955.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-01 11:33:20,515 INFO L168 Benchmark]: CACSL2BoogieTranslator took 355.56 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 96.5 MB). Free memory was 934.4 MB in the beginning and 1.1 GB in the end (delta: -136.6 MB). Peak memory consumption was 18.6 MB. Max. memory is 11.5 GB. [2019-12-01 11:33:20,515 INFO L168 Benchmark]: Boogie Procedure Inliner took 48.32 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 11:33:20,516 INFO L168 Benchmark]: Boogie Preprocessor took 40.80 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 11:33:20,516 INFO L168 Benchmark]: RCFGBuilder took 1156.60 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 853.9 MB in the end (delta: 206.3 MB). Peak memory consumption was 206.3 MB. Max. memory is 11.5 GB. [2019-12-01 11:33:20,516 INFO L168 Benchmark]: CodeCheck took 474732.10 ms. Allocated memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: 124.8 MB). Free memory was 853.9 MB in the beginning and 526.6 MB in the end (delta: 327.4 MB). Peak memory consumption was 512.8 MB. Max. memory is 11.5 GB. [2019-12-01 11:33:20,516 INFO L168 Benchmark]: Witness Printer took 102.92 ms. Allocated memory was 1.3 GB in the beginning and 1.2 GB in the end (delta: -19.9 MB). Free memory was 526.6 MB in the beginning and 893.7 MB in the end (delta: -367.1 MB). Peak memory consumption was 17.7 MB. Max. memory is 11.5 GB. [2019-12-01 11:33:20,518 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, 76 locations, 1 error locations. Result: SAFE, OverallTime: 460.7s, OverallIterations: 99, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 1976347096 SDtfs, 1019218900 SDslu, -1460028672 SDs, 0 SdLazy, -1036139460 SolverSat, 2097741824 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 640.4s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 136766 GetRequests, 131246 SyntacticMatches, 3988 SemanticMatches, 1532 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1771895 ImplicationChecksByTransitivity, 423.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.5s SsaConstructionTime, 0.9s SatisfiabilityAnalysisTime, 52.0s InterpolantComputationTime, 20837 NumberOfCodeBlocks, 20837 NumberOfCodeBlocksAsserted, 98 NumberOfCheckSat, 20739 ConstructedInterpolants, 0 QuantifiedInterpolants, 34351464 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 98 InterpolantComputations, 69 PerfectInterpolantSequences, 31632/32204 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: 503]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 577]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 30]: Loop Invariant Derived loop invariant: ((((((13 == a8 && a16 == 4) && a12 == 8) && a20 == 1) || !(1 == a7)) || ((((!(a21 == 1) && 13 == a8) && a16 == 4) && a12 == 8) && a20 <= 0)) || !(a17 == 1)) || ((((!(a21 == 1) && 13 == a8) && a12 == 8) && a20 == 1) && a16 == 5) - InvariantResult [Line: 583]: Loop Invariant Derived loop invariant: ((((((13 == a8 && a16 == 4) && a12 == 8) && a20 == 1) || !(1 == a7)) || ((((!(a21 == 1) && 13 == a8) && a16 == 4) && a12 == 8) && a20 <= 0)) || !(a17 == 1)) || ((((!(a21 == 1) && 13 == a8) && a12 == 8) && a20 == 1) && a16 == 5) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 955.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 355.56 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 96.5 MB). Free memory was 934.4 MB in the beginning and 1.1 GB in the end (delta: -136.6 MB). Peak memory consumption was 18.6 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 48.32 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 40.80 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1156.60 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 853.9 MB in the end (delta: 206.3 MB). Peak memory consumption was 206.3 MB. Max. memory is 11.5 GB. * CodeCheck took 474732.10 ms. Allocated memory was 1.1 GB in the beginning and 1.3 GB in the end (delta: 124.8 MB). Free memory was 853.9 MB in the beginning and 526.6 MB in the end (delta: 327.4 MB). Peak memory consumption was 512.8 MB. Max. memory is 11.5 GB. * Witness Printer took 102.92 ms. Allocated memory was 1.3 GB in the beginning and 1.2 GB in the end (delta: -19.9 MB). Free memory was 526.6 MB in the beginning and 893.7 MB in the end (delta: -367.1 MB). Peak memory consumption was 17.7 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...