./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem01_label06.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 678e0110 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_459cbf97-fc2e-4adc-a039-30ba94291e04/bin/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_459cbf97-fc2e-4adc-a039-30ba94291e04/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_459cbf97-fc2e-4adc-a039-30ba94291e04/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_459cbf97-fc2e-4adc-a039-30ba94291e04/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem01_label06.c -s /tmp/vcloud-vcloud-master/worker/run_dir_459cbf97-fc2e-4adc-a039-30ba94291e04/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_459cbf97-fc2e-4adc-a039-30ba94291e04/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 cc7fef7e01f0cbe23a4bfb5f51eb1c754f7b3b49 ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-678e011 [2019-11-20 01:58:12,924 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-20 01:58:12,926 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-20 01:58:12,936 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-20 01:58:12,936 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-20 01:58:12,937 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-20 01:58:12,938 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-20 01:58:12,940 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-20 01:58:12,942 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-20 01:58:12,943 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-20 01:58:12,944 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-20 01:58:12,945 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-20 01:58:12,945 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-20 01:58:12,946 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-20 01:58:12,947 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-20 01:58:12,948 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-20 01:58:12,949 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-20 01:58:12,950 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-20 01:58:12,952 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-20 01:58:12,954 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-20 01:58:12,955 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-20 01:58:12,956 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-20 01:58:12,957 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-20 01:58:12,958 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-20 01:58:12,960 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-20 01:58:12,961 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-20 01:58:12,961 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-20 01:58:12,962 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-20 01:58:12,962 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-20 01:58:12,963 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-20 01:58:12,963 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-20 01:58:12,964 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-20 01:58:12,965 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-20 01:58:12,965 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-20 01:58:12,966 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-20 01:58:12,966 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-20 01:58:12,967 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-20 01:58:12,967 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-20 01:58:12,968 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-20 01:58:12,968 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-20 01:58:12,969 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-20 01:58:12,970 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_459cbf97-fc2e-4adc-a039-30ba94291e04/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2019-11-20 01:58:12,982 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-20 01:58:12,982 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-20 01:58:12,982 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-20 01:58:12,983 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2019-11-20 01:58:12,983 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-20 01:58:12,983 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-20 01:58:12,984 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-20 01:58:12,984 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-20 01:58:12,984 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-20 01:58:12,984 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-20 01:58:12,985 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-20 01:58:12,985 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-20 01:58:12,985 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-20 01:58:12,985 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-20 01:58:12,985 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-20 01:58:12,986 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-20 01:58:12,986 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-20 01:58:12,986 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-20 01:58:12,986 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2019-11-20 01:58:12,987 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2019-11-20 01:58:12,987 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-20 01:58:12,987 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-20 01:58:12,987 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2019-11-20 01:58:12,988 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-20 01:58:12,988 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-20 01:58:12,988 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-20 01:58:12,988 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2019-11-20 01:58:12,988 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-20 01:58:12,989 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-20 01:58:12,989 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_459cbf97-fc2e-4adc-a039-30ba94291e04/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 -> cc7fef7e01f0cbe23a4bfb5f51eb1c754f7b3b49 [2019-11-20 01:58:13,155 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-20 01:58:13,164 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-20 01:58:13,166 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-20 01:58:13,167 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-20 01:58:13,168 INFO L275 PluginConnector]: CDTParser initialized [2019-11-20 01:58:13,168 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_459cbf97-fc2e-4adc-a039-30ba94291e04/bin/ukojak/../../sv-benchmarks/c/eca-rers2012/Problem01_label06.c [2019-11-20 01:58:13,216 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_459cbf97-fc2e-4adc-a039-30ba94291e04/bin/ukojak/data/783588688/1338cd1e4c95496faf86b7010d1fb07a/FLAG20fd96fc7 [2019-11-20 01:58:13,703 INFO L306 CDTParser]: Found 1 translation units. [2019-11-20 01:58:13,704 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_459cbf97-fc2e-4adc-a039-30ba94291e04/sv-benchmarks/c/eca-rers2012/Problem01_label06.c [2019-11-20 01:58:13,723 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_459cbf97-fc2e-4adc-a039-30ba94291e04/bin/ukojak/data/783588688/1338cd1e4c95496faf86b7010d1fb07a/FLAG20fd96fc7 [2019-11-20 01:58:13,945 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_459cbf97-fc2e-4adc-a039-30ba94291e04/bin/ukojak/data/783588688/1338cd1e4c95496faf86b7010d1fb07a [2019-11-20 01:58:13,947 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-20 01:58:13,948 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-20 01:58:13,949 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-20 01:58:13,949 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-20 01:58:13,953 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-20 01:58:13,953 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 01:58:13" (1/1) ... [2019-11-20 01:58:13,955 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@382195c6 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:58:13, skipping insertion in model container [2019-11-20 01:58:13,956 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 01:58:13" (1/1) ... [2019-11-20 01:58:13,962 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-20 01:58:14,003 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-20 01:58:14,384 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 01:58:14,407 INFO L188 MainTranslator]: Completed pre-run [2019-11-20 01:58:14,532 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 01:58:14,546 INFO L192 MainTranslator]: Completed translation [2019-11-20 01:58:14,546 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:58:14 WrapperNode [2019-11-20 01:58:14,547 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-20 01:58:14,547 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-20 01:58:14,547 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-20 01:58:14,547 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-20 01:58:14,553 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:58:14" (1/1) ... [2019-11-20 01:58:14,569 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:58:14" (1/1) ... [2019-11-20 01:58:14,624 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-20 01:58:14,624 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-20 01:58:14,624 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-20 01:58:14,625 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-20 01:58:14,633 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:58:14" (1/1) ... [2019-11-20 01:58:14,634 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:58:14" (1/1) ... [2019-11-20 01:58:14,637 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:58:14" (1/1) ... [2019-11-20 01:58:14,637 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:58:14" (1/1) ... [2019-11-20 01:58:14,658 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:58:14" (1/1) ... [2019-11-20 01:58:14,668 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:58:14" (1/1) ... [2019-11-20 01:58:14,675 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:58:14" (1/1) ... [2019-11-20 01:58:14,682 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-20 01:58:14,683 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-20 01:58:14,683 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-20 01:58:14,683 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-20 01:58:14,684 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 01:58:14" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_459cbf97-fc2e-4adc-a039-30ba94291e04/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 [2019-11-20 01:58:14,757 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-20 01:58:14,757 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-20 01:58:17,100 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-20 01:58:17,100 INFO L285 CfgBuilder]: Removed 7 assume(true) statements. [2019-11-20 01:58:17,101 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 01:58:17 BoogieIcfgContainer [2019-11-20 01:58:17,102 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-20 01:58:17,102 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2019-11-20 01:58:17,103 INFO L271 PluginConnector]: Initializing CodeCheck... [2019-11-20 01:58:17,115 INFO L275 PluginConnector]: CodeCheck initialized [2019-11-20 01:58:17,115 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 01:58:17" (1/1) ... [2019-11-20 01:58:17,131 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 01:58:17,174 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:58:17,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 76 states and 144 transitions. [2019-11-20 01:58:17,186 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 144 transitions. [2019-11-20 01:58:17,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2019-11-20 01:58:17,195 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:58:17,440 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:58:17,684 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 01:58:18,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:58:18,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 145 states and 220 transitions. [2019-11-20 01:58:18,551 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 220 transitions. [2019-11-20 01:58:18,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2019-11-20 01:58:18,555 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:58:18,592 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:58:18,701 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-11-20 01:58:18,912 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:58:18,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 146 states and 221 transitions. [2019-11-20 01:58:18,919 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 221 transitions. [2019-11-20 01:58:18,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2019-11-20 01:58:18,928 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:58:18,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:58:18,976 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 01:58:19,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:58:19,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 151 states and 230 transitions. [2019-11-20 01:58:19,124 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 230 transitions. [2019-11-20 01:58:19,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2019-11-20 01:58:19,125 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:58:19,146 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:58:19,219 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-11-20 01:58:20,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:58:20,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 319 states to 227 states and 319 transitions. [2019-11-20 01:58:20,310 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 319 transitions. [2019-11-20 01:58:20,311 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2019-11-20 01:58:20,311 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:58:20,334 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:58:20,414 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-11-20 01:58:21,084 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:58:21,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 358 states to 260 states and 358 transitions. [2019-11-20 01:58:21,086 INFO L276 IsEmpty]: Start isEmpty. Operand 260 states and 358 transitions. [2019-11-20 01:58:21,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2019-11-20 01:58:21,089 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:58:21,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:58:21,355 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2019-11-20 01:58:22,089 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:58:22,090 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 375 states to 270 states and 375 transitions. [2019-11-20 01:58:22,091 INFO L276 IsEmpty]: Start isEmpty. Operand 270 states and 375 transitions. [2019-11-20 01:58:22,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2019-11-20 01:58:22,092 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:58:22,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:58:22,210 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2019-11-20 01:58:23,043 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:58:23,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 393 states to 281 states and 393 transitions. [2019-11-20 01:58:23,045 INFO L276 IsEmpty]: Start isEmpty. Operand 281 states and 393 transitions. [2019-11-20 01:58:23,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2019-11-20 01:58:23,047 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:58:23,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:58:23,084 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2019-11-20 01:58:23,671 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:58:23,673 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 402 states to 287 states and 402 transitions. [2019-11-20 01:58:23,673 INFO L276 IsEmpty]: Start isEmpty. Operand 287 states and 402 transitions. [2019-11-20 01:58:23,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2019-11-20 01:58:23,675 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:58:23,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:58:23,777 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2019-11-20 01:58:24,130 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:58:24,131 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 406 states to 291 states and 406 transitions. [2019-11-20 01:58:24,132 INFO L276 IsEmpty]: Start isEmpty. Operand 291 states and 406 transitions. [2019-11-20 01:58:24,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2019-11-20 01:58:24,133 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:58:24,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:58:24,174 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2019-11-20 01:58:24,337 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:58:24,338 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 406 states to 292 states and 406 transitions. [2019-11-20 01:58:24,338 INFO L276 IsEmpty]: Start isEmpty. Operand 292 states and 406 transitions. [2019-11-20 01:58:24,339 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2019-11-20 01:58:24,340 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:58:24,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:58:24,445 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 01:58:25,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:58:25,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 449 states to 331 states and 449 transitions. [2019-11-20 01:58:25,134 INFO L276 IsEmpty]: Start isEmpty. Operand 331 states and 449 transitions. [2019-11-20 01:58:25,135 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2019-11-20 01:58:25,135 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:58:25,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:58:25,179 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 47 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-11-20 01:58:25,523 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:58:25,524 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 465 states to 345 states and 465 transitions. [2019-11-20 01:58:25,525 INFO L276 IsEmpty]: Start isEmpty. Operand 345 states and 465 transitions. [2019-11-20 01:58:25,526 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2019-11-20 01:58:25,526 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:58:25,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:58:25,596 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2019-11-20 01:58:26,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:58:26,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 472 states to 350 states and 472 transitions. [2019-11-20 01:58:26,102 INFO L276 IsEmpty]: Start isEmpty. Operand 350 states and 472 transitions. [2019-11-20 01:58:26,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2019-11-20 01:58:26,103 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:58:26,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:58:26,135 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2019-11-20 01:58:26,426 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:58:26,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 474 states to 352 states and 474 transitions. [2019-11-20 01:58:26,427 INFO L276 IsEmpty]: Start isEmpty. Operand 352 states and 474 transitions. [2019-11-20 01:58:26,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2019-11-20 01:58:26,429 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:58:26,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:58:26,484 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 57 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 01:58:26,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:58:26,650 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 483 states to 359 states and 483 transitions. [2019-11-20 01:58:26,651 INFO L276 IsEmpty]: Start isEmpty. Operand 359 states and 483 transitions. [2019-11-20 01:58:26,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2019-11-20 01:58:26,653 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:58:26,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:58:26,897 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2019-11-20 01:58:27,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:58:27,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 490 states to 364 states and 490 transitions. [2019-11-20 01:58:27,546 INFO L276 IsEmpty]: Start isEmpty. Operand 364 states and 490 transitions. [2019-11-20 01:58:27,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2019-11-20 01:58:27,548 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:58:27,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:58:27,716 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 53 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 01:58:28,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:58:28,329 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 540 states to 407 states and 540 transitions. [2019-11-20 01:58:28,330 INFO L276 IsEmpty]: Start isEmpty. Operand 407 states and 540 transitions. [2019-11-20 01:58:28,331 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2019-11-20 01:58:28,331 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:58:28,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:58:28,384 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-11-20 01:58:28,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:58:28,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 549 states to 414 states and 549 transitions. [2019-11-20 01:58:28,438 INFO L276 IsEmpty]: Start isEmpty. Operand 414 states and 549 transitions. [2019-11-20 01:58:28,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2019-11-20 01:58:28,440 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:58:28,460 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:58:28,566 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 72 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2019-11-20 01:58:29,218 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:58:29,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 562 states to 423 states and 562 transitions. [2019-11-20 01:58:29,220 INFO L276 IsEmpty]: Start isEmpty. Operand 423 states and 562 transitions. [2019-11-20 01:58:29,222 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2019-11-20 01:58:29,250 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:58:29,260 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:58:29,287 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 72 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2019-11-20 01:58:29,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:58:29,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 567 states to 428 states and 567 transitions. [2019-11-20 01:58:29,757 INFO L276 IsEmpty]: Start isEmpty. Operand 428 states and 567 transitions. [2019-11-20 01:58:29,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2019-11-20 01:58:29,758 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:58:29,771 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:58:29,801 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 57 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-11-20 01:58:30,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:58:30,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 571 states to 432 states and 571 transitions. [2019-11-20 01:58:30,041 INFO L276 IsEmpty]: Start isEmpty. Operand 432 states and 571 transitions. [2019-11-20 01:58:30,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2019-11-20 01:58:30,042 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:58:30,056 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:58:30,184 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 64 proven. 0 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2019-11-20 01:58:30,861 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:58:30,863 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 593 states to 450 states and 593 transitions. [2019-11-20 01:58:30,863 INFO L276 IsEmpty]: Start isEmpty. Operand 450 states and 593 transitions. [2019-11-20 01:58:30,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2019-11-20 01:58:30,864 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:58:30,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:58:31,346 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 68 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 01:58:33,069 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:58:33,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 659 states to 514 states and 659 transitions. [2019-11-20 01:58:33,071 INFO L276 IsEmpty]: Start isEmpty. Operand 514 states and 659 transitions. [2019-11-20 01:58:33,072 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2019-11-20 01:58:33,072 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:58:33,086 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:58:33,620 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 79 proven. 0 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2019-11-20 01:58:35,171 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:58:35,172 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 688 states to 536 states and 688 transitions. [2019-11-20 01:58:35,172 INFO L276 IsEmpty]: Start isEmpty. Operand 536 states and 688 transitions. [2019-11-20 01:58:35,174 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2019-11-20 01:58:35,174 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:58:35,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:58:35,284 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 79 proven. 0 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2019-11-20 01:58:35,615 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:58:35,616 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 690 states to 537 states and 690 transitions. [2019-11-20 01:58:35,617 INFO L276 IsEmpty]: Start isEmpty. Operand 537 states and 690 transitions. [2019-11-20 01:58:35,618 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2019-11-20 01:58:35,618 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:58:35,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:58:35,678 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 79 proven. 0 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2019-11-20 01:58:35,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:58:35,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 694 states to 541 states and 694 transitions. [2019-11-20 01:58:35,990 INFO L276 IsEmpty]: Start isEmpty. Operand 541 states and 694 transitions. [2019-11-20 01:58:35,991 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2019-11-20 01:58:35,991 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:58:36,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:58:37,017 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 68 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-11-20 01:58:40,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:58:40,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 754 states to 596 states and 754 transitions. [2019-11-20 01:58:40,483 INFO L276 IsEmpty]: Start isEmpty. Operand 596 states and 754 transitions. [2019-11-20 01:58:40,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2019-11-20 01:58:40,485 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:58:40,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:58:40,522 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2019-11-20 01:58:41,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:58:41,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 766 states to 604 states and 766 transitions. [2019-11-20 01:58:41,769 INFO L276 IsEmpty]: Start isEmpty. Operand 604 states and 766 transitions. [2019-11-20 01:58:41,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2019-11-20 01:58:41,770 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:58:41,781 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:58:41,804 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2019-11-20 01:58:42,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:58:42,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 768 states to 605 states and 768 transitions. [2019-11-20 01:58:42,141 INFO L276 IsEmpty]: Start isEmpty. Operand 605 states and 768 transitions. [2019-11-20 01:58:42,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2019-11-20 01:58:42,143 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:58:42,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:58:43,107 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 75 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 01:58:45,197 WARN L191 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 31 DAG size of output: 29 [2019-11-20 01:58:45,741 WARN L191 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 31 DAG size of output: 29 [2019-11-20 01:58:46,780 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:58:46,781 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 835 states to 659 states and 835 transitions. [2019-11-20 01:58:46,781 INFO L276 IsEmpty]: Start isEmpty. Operand 659 states and 835 transitions. [2019-11-20 01:58:46,782 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2019-11-20 01:58:46,783 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:58:46,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:58:46,929 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 75 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 01:58:48,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:58:48,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 853 states to 678 states and 853 transitions. [2019-11-20 01:58:48,284 INFO L276 IsEmpty]: Start isEmpty. Operand 678 states and 853 transitions. [2019-11-20 01:58:48,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2019-11-20 01:58:48,286 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:58:48,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:58:48,344 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 72 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-11-20 01:58:48,463 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:58:48,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 871 states to 696 states and 871 transitions. [2019-11-20 01:58:48,464 INFO L276 IsEmpty]: Start isEmpty. Operand 696 states and 871 transitions. [2019-11-20 01:58:48,465 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2019-11-20 01:58:48,466 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:58:48,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:58:48,542 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2019-11-20 01:58:48,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:58:48,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 874 states to 700 states and 874 transitions. [2019-11-20 01:58:48,754 INFO L276 IsEmpty]: Start isEmpty. Operand 700 states and 874 transitions. [2019-11-20 01:58:48,755 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2019-11-20 01:58:48,755 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:58:48,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:58:48,998 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 81 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 01:58:49,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:58:49,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 884 states to 707 states and 884 transitions. [2019-11-20 01:58:49,560 INFO L276 IsEmpty]: Start isEmpty. Operand 707 states and 884 transitions. [2019-11-20 01:58:49,561 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2019-11-20 01:58:49,562 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:58:49,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:58:49,889 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 81 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-11-20 01:58:50,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:58:50,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 954 states to 776 states and 954 transitions. [2019-11-20 01:58:50,949 INFO L276 IsEmpty]: Start isEmpty. Operand 776 states and 954 transitions. [2019-11-20 01:58:50,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2019-11-20 01:58:50,950 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:58:50,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:58:51,292 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 107 proven. 1 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2019-11-20 01:58:52,177 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:58:52,178 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 963 states to 781 states and 963 transitions. [2019-11-20 01:58:52,178 INFO L276 IsEmpty]: Start isEmpty. Operand 781 states and 963 transitions. [2019-11-20 01:58:52,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2019-11-20 01:58:52,179 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:58:52,191 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:58:52,369 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 107 proven. 1 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2019-11-20 01:58:53,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:58:53,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 969 states to 787 states and 969 transitions. [2019-11-20 01:58:53,040 INFO L276 IsEmpty]: Start isEmpty. Operand 787 states and 969 transitions. [2019-11-20 01:58:53,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2019-11-20 01:58:53,041 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:58:53,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:58:53,099 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 90 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2019-11-20 01:58:53,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:58:53,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1015 states to 830 states and 1015 transitions. [2019-11-20 01:58:53,925 INFO L276 IsEmpty]: Start isEmpty. Operand 830 states and 1015 transitions. [2019-11-20 01:58:53,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2019-11-20 01:58:53,926 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:58:53,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:58:53,986 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 90 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2019-11-20 01:58:54,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:58:54,264 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1018 states to 834 states and 1018 transitions. [2019-11-20 01:58:54,264 INFO L276 IsEmpty]: Start isEmpty. Operand 834 states and 1018 transitions. [2019-11-20 01:58:54,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2019-11-20 01:58:54,265 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:58:54,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:58:54,541 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 98 proven. 4 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2019-11-20 01:58:55,525 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:58:55,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1098 states to 908 states and 1098 transitions. [2019-11-20 01:58:55,526 INFO L276 IsEmpty]: Start isEmpty. Operand 908 states and 1098 transitions. [2019-11-20 01:58:55,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2019-11-20 01:58:55,528 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:58:55,544 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:58:55,590 INFO L134 CoverageAnalysis]: Checked inductivity of 216 backedges. 167 proven. 0 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2019-11-20 01:58:55,996 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:58:55,997 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1131 states to 935 states and 1131 transitions. [2019-11-20 01:58:55,997 INFO L276 IsEmpty]: Start isEmpty. Operand 935 states and 1131 transitions. [2019-11-20 01:58:55,998 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2019-11-20 01:58:55,998 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:58:56,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:58:56,848 INFO L134 CoverageAnalysis]: Checked inductivity of 246 backedges. 141 proven. 70 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2019-11-20 01:59:00,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:59:00,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1222 states to 1006 states and 1222 transitions. [2019-11-20 01:59:00,224 INFO L276 IsEmpty]: Start isEmpty. Operand 1006 states and 1222 transitions. [2019-11-20 01:59:00,225 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 194 [2019-11-20 01:59:00,226 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:59:00,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:59:00,770 INFO L134 CoverageAnalysis]: Checked inductivity of 246 backedges. 141 proven. 70 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2019-11-20 01:59:03,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:59:03,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1249 states to 1033 states and 1249 transitions. [2019-11-20 01:59:03,027 INFO L276 IsEmpty]: Start isEmpty. Operand 1033 states and 1249 transitions. [2019-11-20 01:59:03,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2019-11-20 01:59:03,028 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:59:03,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:59:03,218 INFO L134 CoverageAnalysis]: Checked inductivity of 238 backedges. 202 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2019-11-20 01:59:05,028 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:59:05,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1310 states to 1078 states and 1310 transitions. [2019-11-20 01:59:05,030 INFO L276 IsEmpty]: Start isEmpty. Operand 1078 states and 1310 transitions. [2019-11-20 01:59:05,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2019-11-20 01:59:05,032 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:59:05,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:59:05,116 INFO L134 CoverageAnalysis]: Checked inductivity of 238 backedges. 202 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2019-11-20 01:59:05,769 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:59:05,770 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1329 states to 1092 states and 1329 transitions. [2019-11-20 01:59:05,770 INFO L276 IsEmpty]: Start isEmpty. Operand 1092 states and 1329 transitions. [2019-11-20 01:59:05,771 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2019-11-20 01:59:05,771 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:59:05,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:59:05,856 INFO L134 CoverageAnalysis]: Checked inductivity of 238 backedges. 202 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2019-11-20 01:59:06,181 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:59:06,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1330 states to 1093 states and 1330 transitions. [2019-11-20 01:59:06,183 INFO L276 IsEmpty]: Start isEmpty. Operand 1093 states and 1330 transitions. [2019-11-20 01:59:06,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2019-11-20 01:59:06,184 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:59:06,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:59:06,268 INFO L134 CoverageAnalysis]: Checked inductivity of 238 backedges. 202 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2019-11-20 01:59:06,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:59:06,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1330 states to 1094 states and 1330 transitions. [2019-11-20 01:59:06,313 INFO L276 IsEmpty]: Start isEmpty. Operand 1094 states and 1330 transitions. [2019-11-20 01:59:06,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2019-11-20 01:59:06,315 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:59:06,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:59:06,512 INFO L134 CoverageAnalysis]: Checked inductivity of 242 backedges. 164 proven. 1 refuted. 0 times theorem prover too weak. 77 trivial. 0 not checked. [2019-11-20 01:59:07,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:59:07,411 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1353 states to 1114 states and 1353 transitions. [2019-11-20 01:59:07,411 INFO L276 IsEmpty]: Start isEmpty. Operand 1114 states and 1353 transitions. [2019-11-20 01:59:07,413 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2019-11-20 01:59:07,413 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:59:07,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:59:07,582 INFO L134 CoverageAnalysis]: Checked inductivity of 242 backedges. 164 proven. 1 refuted. 0 times theorem prover too weak. 77 trivial. 0 not checked. [2019-11-20 01:59:07,956 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:59:07,957 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1356 states to 1118 states and 1356 transitions. [2019-11-20 01:59:07,958 INFO L276 IsEmpty]: Start isEmpty. Operand 1118 states and 1356 transitions. [2019-11-20 01:59:07,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2019-11-20 01:59:07,959 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:59:07,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:59:08,049 INFO L134 CoverageAnalysis]: Checked inductivity of 205 backedges. 143 proven. 0 refuted. 0 times theorem prover too weak. 62 trivial. 0 not checked. [2019-11-20 01:59:08,142 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:59:08,143 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1358 states to 1120 states and 1358 transitions. [2019-11-20 01:59:08,143 INFO L276 IsEmpty]: Start isEmpty. Operand 1120 states and 1358 transitions. [2019-11-20 01:59:08,144 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209 [2019-11-20 01:59:08,144 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:59:08,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:59:08,742 INFO L134 CoverageAnalysis]: Checked inductivity of 309 backedges. 214 proven. 0 refuted. 0 times theorem prover too weak. 95 trivial. 0 not checked. [2019-11-20 01:59:11,449 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:59:11,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1371 states to 1128 states and 1371 transitions. [2019-11-20 01:59:11,450 INFO L276 IsEmpty]: Start isEmpty. Operand 1128 states and 1371 transitions. [2019-11-20 01:59:11,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209 [2019-11-20 01:59:11,451 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:59:11,463 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:59:11,501 INFO L134 CoverageAnalysis]: Checked inductivity of 309 backedges. 214 proven. 0 refuted. 0 times theorem prover too weak. 95 trivial. 0 not checked. [2019-11-20 01:59:11,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:59:11,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1372 states to 1129 states and 1372 transitions. [2019-11-20 01:59:11,941 INFO L276 IsEmpty]: Start isEmpty. Operand 1129 states and 1372 transitions. [2019-11-20 01:59:11,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209 [2019-11-20 01:59:11,943 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:59:11,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:59:12,013 INFO L134 CoverageAnalysis]: Checked inductivity of 309 backedges. 214 proven. 0 refuted. 0 times theorem prover too weak. 95 trivial. 0 not checked. [2019-11-20 01:59:12,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:59:12,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1373 states to 1130 states and 1373 transitions. [2019-11-20 01:59:12,254 INFO L276 IsEmpty]: Start isEmpty. Operand 1130 states and 1373 transitions. [2019-11-20 01:59:12,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2019-11-20 01:59:12,255 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:59:12,269 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:59:12,340 INFO L134 CoverageAnalysis]: Checked inductivity of 244 backedges. 168 proven. 0 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2019-11-20 01:59:12,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:59:12,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1377 states to 1133 states and 1377 transitions. [2019-11-20 01:59:12,600 INFO L276 IsEmpty]: Start isEmpty. Operand 1133 states and 1377 transitions. [2019-11-20 01:59:12,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2019-11-20 01:59:12,602 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:59:12,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:59:13,803 INFO L134 CoverageAnalysis]: Checked inductivity of 324 backedges. 235 proven. 41 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2019-11-20 01:59:18,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:59:18,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1452 states to 1192 states and 1452 transitions. [2019-11-20 01:59:18,503 INFO L276 IsEmpty]: Start isEmpty. Operand 1192 states and 1452 transitions. [2019-11-20 01:59:18,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2019-11-20 01:59:18,504 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:59:18,518 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:59:18,634 INFO L134 CoverageAnalysis]: Checked inductivity of 324 backedges. 235 proven. 41 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2019-11-20 01:59:20,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:59:20,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1464 states to 1205 states and 1464 transitions. [2019-11-20 01:59:20,711 INFO L276 IsEmpty]: Start isEmpty. Operand 1205 states and 1464 transitions. [2019-11-20 01:59:20,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 221 [2019-11-20 01:59:20,712 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:59:20,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:59:20,861 INFO L134 CoverageAnalysis]: Checked inductivity of 332 backedges. 238 proven. 0 refuted. 0 times theorem prover too weak. 94 trivial. 0 not checked. [2019-11-20 01:59:22,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:59:22,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1516 states to 1251 states and 1516 transitions. [2019-11-20 01:59:22,871 INFO L276 IsEmpty]: Start isEmpty. Operand 1251 states and 1516 transitions. [2019-11-20 01:59:22,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 221 [2019-11-20 01:59:22,873 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:59:22,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:59:22,974 INFO L134 CoverageAnalysis]: Checked inductivity of 332 backedges. 238 proven. 0 refuted. 0 times theorem prover too weak. 94 trivial. 0 not checked. [2019-11-20 01:59:23,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:59:23,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1519 states to 1255 states and 1519 transitions. [2019-11-20 01:59:23,398 INFO L276 IsEmpty]: Start isEmpty. Operand 1255 states and 1519 transitions. [2019-11-20 01:59:23,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2019-11-20 01:59:23,399 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:59:23,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:59:23,826 INFO L134 CoverageAnalysis]: Checked inductivity of 279 backedges. 181 proven. 0 refuted. 0 times theorem prover too weak. 98 trivial. 0 not checked. [2019-11-20 01:59:25,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:59:25,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1526 states to 1259 states and 1526 transitions. [2019-11-20 01:59:25,314 INFO L276 IsEmpty]: Start isEmpty. Operand 1259 states and 1526 transitions. [2019-11-20 01:59:25,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 236 [2019-11-20 01:59:25,317 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:59:25,337 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:59:27,552 INFO L134 CoverageAnalysis]: Checked inductivity of 311 backedges. 226 proven. 0 refuted. 0 times theorem prover too weak. 85 trivial. 0 not checked. [2019-11-20 01:59:32,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:59:32,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1588 states to 1311 states and 1588 transitions. [2019-11-20 01:59:32,827 INFO L276 IsEmpty]: Start isEmpty. Operand 1311 states and 1588 transitions. [2019-11-20 01:59:32,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 236 [2019-11-20 01:59:32,830 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:59:32,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:59:33,077 INFO L134 CoverageAnalysis]: Checked inductivity of 311 backedges. 226 proven. 0 refuted. 0 times theorem prover too weak. 85 trivial. 0 not checked. [2019-11-20 01:59:33,726 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:59:33,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1592 states to 1315 states and 1592 transitions. [2019-11-20 01:59:33,728 INFO L276 IsEmpty]: Start isEmpty. Operand 1315 states and 1592 transitions. [2019-11-20 01:59:33,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 242 [2019-11-20 01:59:33,730 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:59:33,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:59:35,142 INFO L134 CoverageAnalysis]: Checked inductivity of 318 backedges. 209 proven. 39 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2019-11-20 01:59:38,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:59:38,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1650 states to 1364 states and 1650 transitions. [2019-11-20 01:59:38,811 INFO L276 IsEmpty]: Start isEmpty. Operand 1364 states and 1650 transitions. [2019-11-20 01:59:38,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 242 [2019-11-20 01:59:38,813 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:59:38,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:59:39,051 INFO L134 CoverageAnalysis]: Checked inductivity of 318 backedges. 209 proven. 39 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2019-11-20 01:59:39,809 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:59:39,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1653 states to 1368 states and 1653 transitions. [2019-11-20 01:59:39,811 INFO L276 IsEmpty]: Start isEmpty. Operand 1368 states and 1653 transitions. [2019-11-20 01:59:39,812 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 243 [2019-11-20 01:59:39,812 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:59:39,831 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:59:39,909 INFO L134 CoverageAnalysis]: Checked inductivity of 372 backedges. 170 proven. 0 refuted. 0 times theorem prover too weak. 202 trivial. 0 not checked. [2019-11-20 01:59:40,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:59:40,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1726 states to 1438 states and 1726 transitions. [2019-11-20 01:59:40,950 INFO L276 IsEmpty]: Start isEmpty. Operand 1438 states and 1726 transitions. [2019-11-20 01:59:40,952 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 247 [2019-11-20 01:59:40,952 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:59:40,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:59:41,133 INFO L134 CoverageAnalysis]: Checked inductivity of 328 backedges. 147 proven. 8 refuted. 0 times theorem prover too weak. 173 trivial. 0 not checked. [2019-11-20 01:59:42,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:59:42,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1736 states to 1442 states and 1736 transitions. [2019-11-20 01:59:42,289 INFO L276 IsEmpty]: Start isEmpty. Operand 1442 states and 1736 transitions. [2019-11-20 01:59:42,291 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 258 [2019-11-20 01:59:42,291 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:59:42,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:59:43,138 INFO L134 CoverageAnalysis]: Checked inductivity of 391 backedges. 269 proven. 52 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2019-11-20 01:59:48,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:59:48,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1781 states to 1479 states and 1781 transitions. [2019-11-20 01:59:48,174 INFO L276 IsEmpty]: Start isEmpty. Operand 1479 states and 1781 transitions. [2019-11-20 01:59:48,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 258 [2019-11-20 01:59:48,176 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:59:48,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:59:48,497 INFO L134 CoverageAnalysis]: Checked inductivity of 391 backedges. 269 proven. 52 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2019-11-20 01:59:50,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:59:50,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1787 states to 1484 states and 1787 transitions. [2019-11-20 01:59:50,690 INFO L276 IsEmpty]: Start isEmpty. Operand 1484 states and 1787 transitions. [2019-11-20 01:59:50,692 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 266 [2019-11-20 01:59:50,692 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:59:50,713 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 01:59:51,437 INFO L134 CoverageAnalysis]: Checked inductivity of 400 backedges. 313 proven. 0 refuted. 0 times theorem prover too weak. 87 trivial. 0 not checked. [2019-11-20 01:59:58,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 01:59:58,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1906 states to 1588 states and 1906 transitions. [2019-11-20 01:59:58,729 INFO L276 IsEmpty]: Start isEmpty. Operand 1588 states and 1906 transitions. [2019-11-20 01:59:58,731 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 269 [2019-11-20 01:59:58,731 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 01:59:58,758 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:00:00,677 INFO L134 CoverageAnalysis]: Checked inductivity of 413 backedges. 319 proven. 0 refuted. 0 times theorem prover too weak. 94 trivial. 0 not checked. [2019-11-20 02:00:10,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 02:00:10,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1977 states to 1652 states and 1977 transitions. [2019-11-20 02:00:10,250 INFO L276 IsEmpty]: Start isEmpty. Operand 1652 states and 1977 transitions. [2019-11-20 02:00:10,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 269 [2019-11-20 02:00:10,252 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 02:00:10,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:00:10,489 INFO L134 CoverageAnalysis]: Checked inductivity of 413 backedges. 319 proven. 0 refuted. 0 times theorem prover too weak. 94 trivial. 0 not checked. [2019-11-20 02:00:13,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 02:00:13,803 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2004 states to 1679 states and 2004 transitions. [2019-11-20 02:00:13,803 INFO L276 IsEmpty]: Start isEmpty. Operand 1679 states and 2004 transitions. [2019-11-20 02:00:13,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 269 [2019-11-20 02:00:13,805 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 02:00:13,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:00:14,100 INFO L134 CoverageAnalysis]: Checked inductivity of 413 backedges. 319 proven. 0 refuted. 0 times theorem prover too weak. 94 trivial. 0 not checked. [2019-11-20 02:00:17,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 02:00:17,032 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2048 states to 1721 states and 2048 transitions. [2019-11-20 02:00:17,033 INFO L276 IsEmpty]: Start isEmpty. Operand 1721 states and 2048 transitions. [2019-11-20 02:00:17,034 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 269 [2019-11-20 02:00:17,034 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 02:00:17,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:00:17,321 INFO L134 CoverageAnalysis]: Checked inductivity of 413 backedges. 319 proven. 0 refuted. 0 times theorem prover too weak. 94 trivial. 0 not checked. [2019-11-20 02:00:18,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 02:00:18,668 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2061 states to 1733 states and 2061 transitions. [2019-11-20 02:00:18,668 INFO L276 IsEmpty]: Start isEmpty. Operand 1733 states and 2061 transitions. [2019-11-20 02:00:18,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 269 [2019-11-20 02:00:18,670 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 02:00:18,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:00:18,886 INFO L134 CoverageAnalysis]: Checked inductivity of 413 backedges. 319 proven. 0 refuted. 0 times theorem prover too weak. 94 trivial. 0 not checked. [2019-11-20 02:00:19,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 02:00:19,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2062 states to 1735 states and 2062 transitions. [2019-11-20 02:00:19,298 INFO L276 IsEmpty]: Start isEmpty. Operand 1735 states and 2062 transitions. [2019-11-20 02:00:19,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 271 [2019-11-20 02:00:19,301 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 02:00:19,328 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:00:19,957 INFO L134 CoverageAnalysis]: Checked inductivity of 421 backedges. 323 proven. 0 refuted. 0 times theorem prover too weak. 98 trivial. 0 not checked. [2019-11-20 02:00:21,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 02:00:21,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2133 states to 1804 states and 2133 transitions. [2019-11-20 02:00:21,822 INFO L276 IsEmpty]: Start isEmpty. Operand 1804 states and 2133 transitions. [2019-11-20 02:00:21,825 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 288 [2019-11-20 02:00:21,825 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 02:00:21,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:00:22,453 INFO L134 CoverageAnalysis]: Checked inductivity of 489 backedges. 357 proven. 0 refuted. 0 times theorem prover too weak. 132 trivial. 0 not checked. [2019-11-20 02:00:27,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 02:00:27,495 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2206 states to 1870 states and 2206 transitions. [2019-11-20 02:00:27,495 INFO L276 IsEmpty]: Start isEmpty. Operand 1870 states and 2206 transitions. [2019-11-20 02:00:27,496 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 288 [2019-11-20 02:00:27,496 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 02:00:27,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:00:27,693 INFO L134 CoverageAnalysis]: Checked inductivity of 489 backedges. 357 proven. 0 refuted. 0 times theorem prover too weak. 132 trivial. 0 not checked. [2019-11-20 02:00:27,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 02:00:27,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2217 states to 1881 states and 2217 transitions. [2019-11-20 02:00:27,796 INFO L276 IsEmpty]: Start isEmpty. Operand 1881 states and 2217 transitions. [2019-11-20 02:00:27,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 288 [2019-11-20 02:00:27,797 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 02:00:27,816 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:00:27,989 INFO L134 CoverageAnalysis]: Checked inductivity of 489 backedges. 357 proven. 0 refuted. 0 times theorem prover too weak. 132 trivial. 0 not checked. [2019-11-20 02:00:29,858 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 02:00:29,859 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2244 states to 1910 states and 2244 transitions. [2019-11-20 02:00:29,859 INFO L276 IsEmpty]: Start isEmpty. Operand 1910 states and 2244 transitions. [2019-11-20 02:00:29,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 288 [2019-11-20 02:00:29,861 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 02:00:29,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:00:30,127 INFO L134 CoverageAnalysis]: Checked inductivity of 489 backedges. 357 proven. 0 refuted. 0 times theorem prover too weak. 132 trivial. 0 not checked. [2019-11-20 02:00:30,249 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 02:00:30,250 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2244 states to 1911 states and 2244 transitions. [2019-11-20 02:00:30,250 INFO L276 IsEmpty]: Start isEmpty. Operand 1911 states and 2244 transitions. [2019-11-20 02:00:30,251 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 294 [2019-11-20 02:00:30,251 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 02:00:30,270 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:00:32,940 INFO L134 CoverageAnalysis]: Checked inductivity of 532 backedges. 430 proven. 0 refuted. 0 times theorem prover too weak. 102 trivial. 0 not checked. [2019-11-20 02:00:38,035 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 02:00:38,036 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2295 states to 1954 states and 2295 transitions. [2019-11-20 02:00:38,036 INFO L276 IsEmpty]: Start isEmpty. Operand 1954 states and 2295 transitions. [2019-11-20 02:00:38,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 294 [2019-11-20 02:00:38,038 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 02:00:38,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:00:38,380 INFO L134 CoverageAnalysis]: Checked inductivity of 532 backedges. 430 proven. 0 refuted. 0 times theorem prover too weak. 102 trivial. 0 not checked. [2019-11-20 02:00:40,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 02:00:40,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2313 states to 1972 states and 2313 transitions. [2019-11-20 02:00:40,732 INFO L276 IsEmpty]: Start isEmpty. Operand 1972 states and 2313 transitions. [2019-11-20 02:00:40,733 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 306 [2019-11-20 02:00:40,734 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 02:00:40,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:00:41,060 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 386 proven. 85 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2019-11-20 02:00:45,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 02:00:45,769 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2378 states to 2033 states and 2378 transitions. [2019-11-20 02:00:45,769 INFO L276 IsEmpty]: Start isEmpty. Operand 2033 states and 2378 transitions. [2019-11-20 02:00:45,770 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 307 [2019-11-20 02:00:45,770 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 02:00:45,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:00:46,447 INFO L134 CoverageAnalysis]: Checked inductivity of 563 backedges. 395 proven. 0 refuted. 0 times theorem prover too weak. 168 trivial. 0 not checked. [2019-11-20 02:00:53,527 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 02:00:53,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2486 states to 2138 states and 2486 transitions. [2019-11-20 02:00:53,528 INFO L276 IsEmpty]: Start isEmpty. Operand 2138 states and 2486 transitions. [2019-11-20 02:00:53,530 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 314 [2019-11-20 02:00:53,530 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 02:00:53,551 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:00:56,478 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 497 proven. 0 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2019-11-20 02:01:01,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 02:01:01,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2536 states to 2186 states and 2536 transitions. [2019-11-20 02:01:01,764 INFO L276 IsEmpty]: Start isEmpty. Operand 2186 states and 2536 transitions. [2019-11-20 02:01:01,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 318 [2019-11-20 02:01:01,766 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 02:01:01,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:01:03,857 INFO L134 CoverageAnalysis]: Checked inductivity of 572 backedges. 495 proven. 4 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2019-11-20 02:01:06,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 02:01:06,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2609 states to 2259 states and 2609 transitions. [2019-11-20 02:01:06,869 INFO L276 IsEmpty]: Start isEmpty. Operand 2259 states and 2609 transitions. [2019-11-20 02:01:06,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 328 [2019-11-20 02:01:06,871 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 02:01:06,894 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:01:09,940 INFO L134 CoverageAnalysis]: Checked inductivity of 701 backedges. 513 proven. 94 refuted. 0 times theorem prover too weak. 94 trivial. 0 not checked. [2019-11-20 02:01:17,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 02:01:17,157 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2650 states to 2297 states and 2650 transitions. [2019-11-20 02:01:17,157 INFO L276 IsEmpty]: Start isEmpty. Operand 2297 states and 2650 transitions. [2019-11-20 02:01:17,159 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 328 [2019-11-20 02:01:17,159 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 02:01:17,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:01:17,555 INFO L134 CoverageAnalysis]: Checked inductivity of 701 backedges. 513 proven. 94 refuted. 0 times theorem prover too weak. 94 trivial. 0 not checked. [2019-11-20 02:01:28,299 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 02:01:28,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2701 states to 2347 states and 2701 transitions. [2019-11-20 02:01:28,301 INFO L276 IsEmpty]: Start isEmpty. Operand 2347 states and 2701 transitions. [2019-11-20 02:01:28,303 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 328 [2019-11-20 02:01:28,303 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 02:01:28,327 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:01:28,872 INFO L134 CoverageAnalysis]: Checked inductivity of 701 backedges. 513 proven. 94 refuted. 0 times theorem prover too weak. 94 trivial. 0 not checked. [2019-11-20 02:01:29,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 02:01:29,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2703 states to 2350 states and 2703 transitions. [2019-11-20 02:01:29,928 INFO L276 IsEmpty]: Start isEmpty. Operand 2350 states and 2703 transitions. [2019-11-20 02:01:29,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 328 [2019-11-20 02:01:29,930 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 02:01:29,955 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:01:30,265 INFO L134 CoverageAnalysis]: Checked inductivity of 701 backedges. 513 proven. 94 refuted. 0 times theorem prover too weak. 94 trivial. 0 not checked. [2019-11-20 02:01:32,491 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 02:01:32,492 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2714 states to 2362 states and 2714 transitions. [2019-11-20 02:01:32,492 INFO L276 IsEmpty]: Start isEmpty. Operand 2362 states and 2714 transitions. [2019-11-20 02:01:32,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 333 [2019-11-20 02:01:32,494 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 02:01:32,512 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:01:34,644 INFO L134 CoverageAnalysis]: Checked inductivity of 617 backedges. 365 proven. 41 refuted. 0 times theorem prover too weak. 211 trivial. 0 not checked. [2019-11-20 02:01:39,720 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 02:01:39,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2772 states to 2416 states and 2772 transitions. [2019-11-20 02:01:39,722 INFO L276 IsEmpty]: Start isEmpty. Operand 2416 states and 2772 transitions. [2019-11-20 02:01:39,724 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 333 [2019-11-20 02:01:39,724 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 02:01:39,742 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:01:40,640 INFO L134 CoverageAnalysis]: Checked inductivity of 617 backedges. 365 proven. 41 refuted. 0 times theorem prover too weak. 211 trivial. 0 not checked. [2019-11-20 02:01:41,460 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 02:01:41,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2722 states to 2367 states and 2722 transitions. [2019-11-20 02:01:41,462 INFO L276 IsEmpty]: Start isEmpty. Operand 2367 states and 2722 transitions. [2019-11-20 02:01:41,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 333 [2019-11-20 02:01:41,464 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 02:01:41,489 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:01:45,003 INFO L134 CoverageAnalysis]: Checked inductivity of 726 backedges. 611 proven. 0 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2019-11-20 02:01:53,313 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 46 [2019-11-20 02:01:53,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 02:01:53,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2759 states to 2400 states and 2759 transitions. [2019-11-20 02:01:53,837 INFO L276 IsEmpty]: Start isEmpty. Operand 2400 states and 2759 transitions. [2019-11-20 02:01:53,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 333 [2019-11-20 02:01:53,839 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 02:01:53,864 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:01:54,169 INFO L134 CoverageAnalysis]: Checked inductivity of 726 backedges. 611 proven. 0 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2019-11-20 02:01:57,197 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 02:01:57,199 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2771 states to 2412 states and 2771 transitions. [2019-11-20 02:01:57,200 INFO L276 IsEmpty]: Start isEmpty. Operand 2412 states and 2771 transitions. [2019-11-20 02:01:57,203 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 333 [2019-11-20 02:01:57,203 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 02:01:57,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:01:57,550 INFO L134 CoverageAnalysis]: Checked inductivity of 726 backedges. 611 proven. 0 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2019-11-20 02:02:00,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 02:02:00,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2784 states to 2426 states and 2784 transitions. [2019-11-20 02:02:00,623 INFO L276 IsEmpty]: Start isEmpty. Operand 2426 states and 2784 transitions. [2019-11-20 02:02:00,625 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 333 [2019-11-20 02:02:00,625 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 02:02:00,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:02:00,966 INFO L134 CoverageAnalysis]: Checked inductivity of 726 backedges. 611 proven. 0 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2019-11-20 02:02:02,014 WARN L191 SmtUtils]: Spent 118.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 48 [2019-11-20 02:02:02,762 WARN L191 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 46 [2019-11-20 02:02:03,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 02:02:03,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2786 states to 2429 states and 2786 transitions. [2019-11-20 02:02:03,247 INFO L276 IsEmpty]: Start isEmpty. Operand 2429 states and 2786 transitions. [2019-11-20 02:02:03,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 334 [2019-11-20 02:02:03,251 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 02:02:03,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:02:03,690 INFO L134 CoverageAnalysis]: Checked inductivity of 736 backedges. 380 proven. 5 refuted. 0 times theorem prover too weak. 351 trivial. 0 not checked. [2019-11-20 02:02:11,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 02:02:11,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2931 states to 2566 states and 2931 transitions. [2019-11-20 02:02:11,113 INFO L276 IsEmpty]: Start isEmpty. Operand 2566 states and 2931 transitions. [2019-11-20 02:02:11,116 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 337 [2019-11-20 02:02:11,117 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 02:02:11,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:02:11,274 INFO L134 CoverageAnalysis]: Checked inductivity of 674 backedges. 375 proven. 0 refuted. 0 times theorem prover too weak. 299 trivial. 0 not checked. [2019-11-20 02:02:11,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 02:02:11,703 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2931 states to 2567 states and 2931 transitions. [2019-11-20 02:02:11,703 INFO L276 IsEmpty]: Start isEmpty. Operand 2567 states and 2931 transitions. [2019-11-20 02:02:11,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 405 [2019-11-20 02:02:11,707 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 02:02:11,756 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 02:02:11,956 INFO L134 CoverageAnalysis]: Checked inductivity of 1067 backedges. 570 proven. 10 refuted. 0 times theorem prover too weak. 487 trivial. 0 not checked. [2019-11-20 02:02:17,432 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 02:02:17,433 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2850 states to 2491 states and 2850 transitions. [2019-11-20 02:02:17,433 INFO L276 IsEmpty]: Start isEmpty. Operand 2491 states and 2850 transitions. [2019-11-20 02:02:17,435 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-20 02:02:17,435 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 98 iterations. [2019-11-20 02:02:17,460 INFO L765 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2019-11-20 02:02:17,776 WARN L191 SmtUtils]: Spent 306.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 48 [2019-11-20 02:02:18,079 WARN L191 SmtUtils]: Spent 302.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 48 [2019-11-20 02:02:18,580 WARN L191 SmtUtils]: Spent 499.00 ms on a formula simplification. DAG size of input: 169 DAG size of output: 50 [2019-11-20 02:02:18,868 WARN L191 SmtUtils]: Spent 287.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 48 [2019-11-20 02:02:19,255 WARN L191 SmtUtils]: Spent 386.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 48 [2019-11-20 02:02:19,702 WARN L191 SmtUtils]: Spent 369.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 47 [2019-11-20 02:02:19,937 WARN L191 SmtUtils]: Spent 234.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 25 [2019-11-20 02:02:20,224 WARN L191 SmtUtils]: Spent 286.00 ms on a formula simplification. DAG size of input: 154 DAG size of output: 35 [2019-11-20 02:02:20,719 WARN L191 SmtUtils]: Spent 494.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 50 [2019-11-20 02:02:20,909 WARN L191 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 34 [2019-11-20 02:02:21,066 WARN L191 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 34 [2019-11-20 02:02:21,256 WARN L191 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 25 [2019-11-20 02:02:21,596 WARN L191 SmtUtils]: Spent 339.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 47 [2019-11-20 02:02:21,884 WARN L191 SmtUtils]: Spent 288.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 35 [2019-11-20 02:02:22,050 WARN L191 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 34 [2019-11-20 02:02:22,336 WARN L191 SmtUtils]: Spent 286.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 35 [2019-11-20 02:02:22,626 WARN L191 SmtUtils]: Spent 288.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 35 [2019-11-20 02:02:22,801 WARN L191 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 34 [2019-11-20 02:02:23,499 WARN L191 SmtUtils]: Spent 621.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 47 [2019-11-20 02:02:23,648 WARN L191 SmtUtils]: Spent 147.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 34 [2019-11-20 02:02:23,802 WARN L191 SmtUtils]: Spent 152.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 34 [2019-11-20 02:02:24,276 WARN L191 SmtUtils]: Spent 473.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 50 [2019-11-20 02:02:24,564 WARN L191 SmtUtils]: Spent 287.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 48 [2019-11-20 02:02:24,951 WARN L191 SmtUtils]: Spent 386.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 48 [2019-11-20 02:02:25,299 WARN L191 SmtUtils]: Spent 346.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 47 [2019-11-20 02:02:25,473 WARN L191 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 34 [2019-11-20 02:02:25,775 WARN L191 SmtUtils]: Spent 302.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 48 [2019-11-20 02:02:26,056 WARN L191 SmtUtils]: Spent 280.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 45 [2019-11-20 02:02:26,331 WARN L191 SmtUtils]: Spent 273.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 45 [2019-11-20 02:02:26,522 WARN L191 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 36 [2019-11-20 02:02:26,818 WARN L191 SmtUtils]: Spent 296.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 48 [2019-11-20 02:02:26,969 WARN L191 SmtUtils]: Spent 150.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 34 [2019-11-20 02:02:27,247 WARN L191 SmtUtils]: Spent 277.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 48 [2019-11-20 02:02:27,507 WARN L191 SmtUtils]: Spent 259.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 45 [2019-11-20 02:02:27,654 WARN L191 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 34 [2019-11-20 02:02:27,918 WARN L191 SmtUtils]: Spent 263.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 45 [2019-11-20 02:02:28,295 WARN L191 SmtUtils]: Spent 376.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 47 [2019-11-20 02:02:28,452 WARN L191 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 34 [2019-11-20 02:02:28,715 WARN L191 SmtUtils]: Spent 261.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 35 [2019-11-20 02:02:29,073 WARN L191 SmtUtils]: Spent 280.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 45 [2019-11-20 02:02:29,425 WARN L191 SmtUtils]: Spent 351.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 47 [2019-11-20 02:02:29,865 WARN L191 SmtUtils]: Spent 365.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 47 [2019-11-20 02:02:30,238 WARN L191 SmtUtils]: Spent 372.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 47 [2019-11-20 02:02:30,474 WARN L191 SmtUtils]: Spent 235.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 43 [2019-11-20 02:02:30,636 WARN L191 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 34 [2019-11-20 02:02:30,976 WARN L191 SmtUtils]: Spent 339.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 46 [2019-11-20 02:02:31,206 WARN L191 SmtUtils]: Spent 229.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 25 [2019-11-20 02:02:31,368 WARN L191 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 34 [2019-11-20 02:02:31,674 WARN L191 SmtUtils]: Spent 304.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 48 [2019-11-20 02:02:31,900 WARN L191 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 43 [2019-11-20 02:02:32,293 WARN L191 SmtUtils]: Spent 360.00 ms on a formula simplification. DAG size of input: 138 DAG size of output: 46 [2019-11-20 02:02:32,436 WARN L191 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 34 [2019-11-20 02:02:32,727 WARN L191 SmtUtils]: Spent 290.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 48 [2019-11-20 02:02:33,142 WARN L191 SmtUtils]: Spent 415.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 50 [2019-11-20 02:02:33,541 WARN L191 SmtUtils]: Spent 397.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 54 [2019-11-20 02:02:33,757 WARN L191 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 34 [2019-11-20 02:02:34,044 WARN L191 SmtUtils]: Spent 286.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 48 [2019-11-20 02:02:34,332 WARN L191 SmtUtils]: Spent 287.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 48 [2019-11-20 02:02:34,800 WARN L191 SmtUtils]: Spent 467.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 48 [2019-11-20 02:02:34,949 WARN L191 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 34 [2019-11-20 02:02:35,328 WARN L191 SmtUtils]: Spent 378.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 48 [2019-11-20 02:02:35,728 WARN L191 SmtUtils]: Spent 399.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 48 [2019-11-20 02:02:36,089 WARN L191 SmtUtils]: Spent 361.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 47 [2019-11-20 02:02:36,370 WARN L191 SmtUtils]: Spent 279.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 35 [2019-11-20 02:02:36,370 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 02:02:36,374 INFO L569 CodeCheckObserver]: Invariant with dag size 25 [2019-11-20 02:02:36,383 INFO L569 CodeCheckObserver]: Invariant with dag size 25 [2019-11-20 02:02:36,385 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 20.11 02:02:36 ImpRootNode [2019-11-20 02:02:36,385 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2019-11-20 02:02:36,385 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-20 02:02:36,386 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-20 02:02:36,386 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-20 02:02:36,386 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 01:58:17" (3/4) ... [2019-11-20 02:02:36,390 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-20 02:02:36,413 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 99 nodes and edges [2019-11-20 02:02:36,415 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 19 nodes and edges [2019-11-20 02:02:36,417 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2019-11-20 02:02:36,419 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-11-20 02:02:36,569 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_459cbf97-fc2e-4adc-a039-30ba94291e04/bin/ukojak/witness.graphml [2019-11-20 02:02:36,569 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-20 02:02:36,570 INFO L168 Benchmark]: Toolchain (without parser) took 262621.85 ms. Allocated memory was 1.0 GB in the beginning and 4.8 GB in the end (delta: 3.7 GB). Free memory was 939.3 MB in the beginning and 1.4 GB in the end (delta: -415.5 MB). Peak memory consumption was 3.3 GB. Max. memory is 11.5 GB. [2019-11-20 02:02:36,571 INFO L168 Benchmark]: CDTParser took 0.22 ms. Allocated memory is still 1.0 GB. Free memory is still 962.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 02:02:36,571 INFO L168 Benchmark]: CACSL2BoogieTranslator took 597.70 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 135.8 MB). Free memory was 939.3 MB in the beginning and 1.1 GB in the end (delta: -165.4 MB). Peak memory consumption was 24.0 MB. Max. memory is 11.5 GB. [2019-11-20 02:02:36,571 INFO L168 Benchmark]: Boogie Procedure Inliner took 77.11 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 02:02:36,572 INFO L168 Benchmark]: Boogie Preprocessor took 58.35 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. [2019-11-20 02:02:36,572 INFO L168 Benchmark]: RCFGBuilder took 2419.05 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 879.1 MB in the end (delta: 218.9 MB). Peak memory consumption was 218.9 MB. Max. memory is 11.5 GB. [2019-11-20 02:02:36,573 INFO L168 Benchmark]: CodeCheck took 259282.61 ms. Allocated memory was 1.2 GB in the beginning and 4.8 GB in the end (delta: 3.6 GB). Free memory was 879.1 MB in the beginning and 1.5 GB in the end (delta: -573.0 MB). Peak memory consumption was 3.4 GB. Max. memory is 11.5 GB. [2019-11-20 02:02:36,573 INFO L168 Benchmark]: Witness Printer took 183.51 ms. Allocated memory is still 4.8 GB. Free memory was 1.5 GB in the beginning and 1.4 GB in the end (delta: 97.3 MB). Peak memory consumption was 97.3 MB. Max. memory is 11.5 GB. [2019-11-20 02:02:36,576 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: 240.2s, OverallIterations: 98, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: -1558724316 SDtfs, 1853196190 SDslu, 847054034 SDs, 0 SdLazy, 275268068 SolverSat, -1035813472 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 531.6s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 135226 GetRequests, 130409 SyntacticMatches, 3397 SemanticMatches, 1420 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 1570375 ImplicationChecksByTransitivity, 207.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.6s SsaConstructionTime, 1.2s SatisfiabilityAnalysisTime, 35.2s InterpolantComputationTime, 20203 NumberOfCodeBlocks, 20203 NumberOfCodeBlocksAsserted, 97 NumberOfCheckSat, 20106 ConstructedInterpolants, 0 QuantifiedInterpolants, 31769001 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 97 InterpolantComputations, 72 PerfectInterpolantSequences, 27599/28584 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: 548]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 577]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 30]: Loop Invariant Derived loop invariant: ((!(a17 == 1) || a20 == 1) || ((((!(a21 == 1) && 1 == a7) && a16 == 4) && a12 == 8) && a20 <= 0)) || !(a8 == 13) - InvariantResult [Line: 583]: Loop Invariant Derived loop invariant: ((!(a17 == 1) || a20 == 1) || ((((!(a21 == 1) && 1 == a7) && a16 == 4) && a12 == 8) && a20 <= 0)) || !(a8 == 13) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.22 ms. Allocated memory is still 1.0 GB. Free memory is still 962.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 597.70 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 135.8 MB). Free memory was 939.3 MB in the beginning and 1.1 GB in the end (delta: -165.4 MB). Peak memory consumption was 24.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 77.11 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * Boogie Preprocessor took 58.35 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.8 MB). Peak memory consumption was 6.8 MB. Max. memory is 11.5 GB. * RCFGBuilder took 2419.05 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 879.1 MB in the end (delta: 218.9 MB). Peak memory consumption was 218.9 MB. Max. memory is 11.5 GB. * CodeCheck took 259282.61 ms. Allocated memory was 1.2 GB in the beginning and 4.8 GB in the end (delta: 3.6 GB). Free memory was 879.1 MB in the beginning and 1.5 GB in the end (delta: -573.0 MB). Peak memory consumption was 3.4 GB. Max. memory is 11.5 GB. * Witness Printer took 183.51 ms. Allocated memory is still 4.8 GB. Free memory was 1.5 GB in the beginning and 1.4 GB in the end (delta: 97.3 MB). Peak memory consumption was 97.3 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...