./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem01_label10.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version f470102c Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_bdb3c068-ea4c-49e6-b971-8b9a33ec811e/bin/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_bdb3c068-ea4c-49e6-b971-8b9a33ec811e/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_bdb3c068-ea4c-49e6-b971-8b9a33ec811e/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_bdb3c068-ea4c-49e6-b971-8b9a33ec811e/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem01_label10.c -s /tmp/vcloud-vcloud-master/worker/run_dir_bdb3c068-ea4c-49e6-b971-8b9a33ec811e/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_bdb3c068-ea4c-49e6-b971-8b9a33ec811e/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 d90d90ab0f83213f6e486d9f5a42850d0f82e05d ..................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.25-f470102 [2019-12-01 18:05:16,542 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-12-01 18:05:16,543 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-12-01 18:05:16,550 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-12-01 18:05:16,551 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-12-01 18:05:16,552 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-12-01 18:05:16,553 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-12-01 18:05:16,554 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-12-01 18:05:16,556 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-12-01 18:05:16,557 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-12-01 18:05:16,558 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-12-01 18:05:16,559 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-12-01 18:05:16,559 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-12-01 18:05:16,560 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-12-01 18:05:16,561 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-12-01 18:05:16,562 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-12-01 18:05:16,562 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-12-01 18:05:16,563 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-12-01 18:05:16,565 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-12-01 18:05:16,567 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-12-01 18:05:16,568 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-12-01 18:05:16,569 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-12-01 18:05:16,570 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-12-01 18:05:16,571 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-12-01 18:05:16,573 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-12-01 18:05:16,573 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-12-01 18:05:16,573 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-12-01 18:05:16,574 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-12-01 18:05:16,574 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-12-01 18:05:16,575 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-12-01 18:05:16,575 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-12-01 18:05:16,576 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-12-01 18:05:16,576 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-12-01 18:05:16,577 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-12-01 18:05:16,578 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-12-01 18:05:16,578 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-12-01 18:05:16,578 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-12-01 18:05:16,578 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-12-01 18:05:16,579 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-12-01 18:05:16,579 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-12-01 18:05:16,580 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-12-01 18:05:16,580 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_bdb3c068-ea4c-49e6-b971-8b9a33ec811e/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2019-12-01 18:05:16,592 INFO L113 SettingsManager]: Loading preferences was successful [2019-12-01 18:05:16,593 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-12-01 18:05:16,593 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-12-01 18:05:16,593 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2019-12-01 18:05:16,594 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-12-01 18:05:16,594 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-12-01 18:05:16,594 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-12-01 18:05:16,594 INFO L138 SettingsManager]: * sizeof long=4 [2019-12-01 18:05:16,594 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-12-01 18:05:16,594 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-12-01 18:05:16,595 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-12-01 18:05:16,595 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-12-01 18:05:16,595 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-12-01 18:05:16,595 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-12-01 18:05:16,595 INFO L138 SettingsManager]: * sizeof long double=12 [2019-12-01 18:05:16,595 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-12-01 18:05:16,596 INFO L138 SettingsManager]: * Use constant arrays=true [2019-12-01 18:05:16,596 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-12-01 18:05:16,596 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2019-12-01 18:05:16,596 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2019-12-01 18:05:16,596 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-12-01 18:05:16,596 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-12-01 18:05:16,596 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2019-12-01 18:05:16,597 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-12-01 18:05:16,597 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-12-01 18:05:16,597 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-12-01 18:05:16,597 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2019-12-01 18:05:16,597 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-12-01 18:05:16,597 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-12-01 18:05:16,597 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_bdb3c068-ea4c-49e6-b971-8b9a33ec811e/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 -> d90d90ab0f83213f6e486d9f5a42850d0f82e05d [2019-12-01 18:05:16,704 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-12-01 18:05:16,712 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-12-01 18:05:16,714 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-12-01 18:05:16,715 INFO L271 PluginConnector]: Initializing CDTParser... [2019-12-01 18:05:16,715 INFO L275 PluginConnector]: CDTParser initialized [2019-12-01 18:05:16,716 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_bdb3c068-ea4c-49e6-b971-8b9a33ec811e/bin/ukojak/../../sv-benchmarks/c/eca-rers2012/Problem01_label10.c [2019-12-01 18:05:16,753 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_bdb3c068-ea4c-49e6-b971-8b9a33ec811e/bin/ukojak/data/b7da75fd2/5afbda412cbe41fb997fb802232e2d2e/FLAGe96cb5950 [2019-12-01 18:05:17,150 INFO L306 CDTParser]: Found 1 translation units. [2019-12-01 18:05:17,150 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_bdb3c068-ea4c-49e6-b971-8b9a33ec811e/sv-benchmarks/c/eca-rers2012/Problem01_label10.c [2019-12-01 18:05:17,158 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_bdb3c068-ea4c-49e6-b971-8b9a33ec811e/bin/ukojak/data/b7da75fd2/5afbda412cbe41fb997fb802232e2d2e/FLAGe96cb5950 [2019-12-01 18:05:17,168 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_bdb3c068-ea4c-49e6-b971-8b9a33ec811e/bin/ukojak/data/b7da75fd2/5afbda412cbe41fb997fb802232e2d2e [2019-12-01 18:05:17,169 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-12-01 18:05:17,170 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-12-01 18:05:17,171 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-12-01 18:05:17,171 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-12-01 18:05:17,173 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-12-01 18:05:17,174 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 06:05:17" (1/1) ... [2019-12-01 18:05:17,176 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@61b1d85b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:05:17, skipping insertion in model container [2019-12-01 18:05:17,176 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 01.12 06:05:17" (1/1) ... [2019-12-01 18:05:17,181 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2019-12-01 18:05:17,210 INFO L178 MainTranslator]: Built tables and reachable declarations [2019-12-01 18:05:17,444 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-01 18:05:17,447 INFO L203 MainTranslator]: Completed pre-run [2019-12-01 18:05:17,499 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-12-01 18:05:17,509 INFO L208 MainTranslator]: Completed translation [2019-12-01 18:05:17,509 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:05:17 WrapperNode [2019-12-01 18:05:17,509 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-12-01 18:05:17,510 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-12-01 18:05:17,510 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-12-01 18:05:17,510 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-12-01 18:05:17,515 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:05:17" (1/1) ... [2019-12-01 18:05:17,527 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:05:17" (1/1) ... [2019-12-01 18:05:17,560 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-12-01 18:05:17,560 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-12-01 18:05:17,560 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-12-01 18:05:17,560 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-12-01 18:05:17,567 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:05:17" (1/1) ... [2019-12-01 18:05:17,567 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:05:17" (1/1) ... [2019-12-01 18:05:17,570 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:05:17" (1/1) ... [2019-12-01 18:05:17,570 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:05:17" (1/1) ... [2019-12-01 18:05:17,584 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:05:17" (1/1) ... [2019-12-01 18:05:17,591 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:05:17" (1/1) ... [2019-12-01 18:05:17,595 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:05:17" (1/1) ... [2019-12-01 18:05:17,599 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-12-01 18:05:17,599 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-12-01 18:05:17,599 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-12-01 18:05:17,599 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-12-01 18:05:17,600 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 01.12 06:05:17" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_bdb3c068-ea4c-49e6-b971-8b9a33ec811e/bin/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2019-12-01 18:05:17,643 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-12-01 18:05:17,643 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-12-01 18:05:18,696 INFO L282 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-12-01 18:05:18,696 INFO L287 CfgBuilder]: Removed 7 assume(true) statements. [2019-12-01 18:05:18,697 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 06:05:18 BoogieIcfgContainer [2019-12-01 18:05:18,698 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-12-01 18:05:18,698 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2019-12-01 18:05:18,698 INFO L271 PluginConnector]: Initializing CodeCheck... [2019-12-01 18:05:18,705 INFO L275 PluginConnector]: CodeCheck initialized [2019-12-01 18:05:18,705 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 06:05:18" (1/1) ... [2019-12-01 18:05:18,713 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-12-01 18:05:18,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 18:05:18,740 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 76 states and 144 transitions. [2019-12-01 18:05:18,740 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 144 transitions. [2019-12-01 18:05:18,744 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2019-12-01 18:05:18,745 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 18:05:18,872 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 18:05:19,013 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 18:05:19,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 18:05:19,326 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 145 states and 244 transitions. [2019-12-01 18:05:19,326 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 244 transitions. [2019-12-01 18:05:19,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2019-12-01 18:05:19,328 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 18:05:19,350 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 18:05:19,394 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 18:05:19,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 18:05:19,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 245 states to 146 states and 245 transitions. [2019-12-01 18:05:19,544 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 245 transitions. [2019-12-01 18:05:19,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 77 [2019-12-01 18:05:19,546 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 18:05:19,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 18:05:19,574 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 18:05:19,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 18:05:19,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 253 states to 150 states and 253 transitions. [2019-12-01 18:05:19,663 INFO L276 IsEmpty]: Start isEmpty. Operand 150 states and 253 transitions. [2019-12-01 18:05:19,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2019-12-01 18:05:19,668 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 18:05:19,687 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 18:05:19,742 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 18:05:19,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 18:05:19,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 260 states to 154 states and 260 transitions. [2019-12-01 18:05:19,897 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 260 transitions. [2019-12-01 18:05:19,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2019-12-01 18:05:19,899 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 18:05:19,908 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 18:05:19,924 INFO L134 CoverageAnalysis]: Checked inductivity of 11 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-12-01 18:05:19,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 18:05:19,963 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 261 states to 155 states and 261 transitions. [2019-12-01 18:05:19,964 INFO L276 IsEmpty]: Start isEmpty. Operand 155 states and 261 transitions. [2019-12-01 18:05:19,965 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2019-12-01 18:05:19,965 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 18:05:19,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 18:05:19,999 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 11 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-12-01 18:05:20,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 18:05:20,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 281 states to 166 states and 281 transitions. [2019-12-01 18:05:20,348 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 281 transitions. [2019-12-01 18:05:20,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2019-12-01 18:05:20,349 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 18:05:20,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 18:05:20,420 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 18:05:20,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 18:05:20,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 300 states to 180 states and 300 transitions. [2019-12-01 18:05:20,838 INFO L276 IsEmpty]: Start isEmpty. Operand 180 states and 300 transitions. [2019-12-01 18:05:20,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2019-12-01 18:05:20,839 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 18:05:20,847 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 18:05:20,900 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 18:05:21,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 18:05:21,450 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 321 states to 195 states and 321 transitions. [2019-12-01 18:05:21,450 INFO L276 IsEmpty]: Start isEmpty. Operand 195 states and 321 transitions. [2019-12-01 18:05:21,451 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2019-12-01 18:05:21,451 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 18:05:21,458 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 18:05:21,475 INFO L134 CoverageAnalysis]: Checked inductivity of 21 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 18:05:21,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 18:05:21,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 330 states to 201 states and 330 transitions. [2019-12-01 18:05:21,837 INFO L276 IsEmpty]: Start isEmpty. Operand 201 states and 330 transitions. [2019-12-01 18:05:21,837 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2019-12-01 18:05:21,838 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 18:05:21,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 18:05:21,864 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 18:05:21,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 18:05:21,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 336 states to 205 states and 336 transitions. [2019-12-01 18:05:21,977 INFO L276 IsEmpty]: Start isEmpty. Operand 205 states and 336 transitions. [2019-12-01 18:05:21,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2019-12-01 18:05:21,978 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 18:05:21,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 18:05:22,029 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 18:05:22,689 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 18:05:22,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 361 states to 220 states and 361 transitions. [2019-12-01 18:05:22,690 INFO L276 IsEmpty]: Start isEmpty. Operand 220 states and 361 transitions. [2019-12-01 18:05:22,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2019-12-01 18:05:22,690 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 18:05:22,697 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 18:05:22,707 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 18:05:22,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 18:05:22,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 364 states to 221 states and 364 transitions. [2019-12-01 18:05:22,876 INFO L276 IsEmpty]: Start isEmpty. Operand 221 states and 364 transitions. [2019-12-01 18:05:22,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2019-12-01 18:05:22,877 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 18:05:22,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 18:05:22,903 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-12-01 18:05:23,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 18:05:23,154 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 375 states to 232 states and 375 transitions. [2019-12-01 18:05:23,154 INFO L276 IsEmpty]: Start isEmpty. Operand 232 states and 375 transitions. [2019-12-01 18:05:23,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2019-12-01 18:05:23,155 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 18:05:23,163 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 18:05:23,181 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-12-01 18:05:23,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 18:05:23,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 377 states to 235 states and 377 transitions. [2019-12-01 18:05:23,395 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states and 377 transitions. [2019-12-01 18:05:23,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2019-12-01 18:05:23,395 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 18:05:23,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 18:05:23,454 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-12-01 18:05:24,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 18:05:24,280 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 400 states to 249 states and 400 transitions. [2019-12-01 18:05:24,281 INFO L276 IsEmpty]: Start isEmpty. Operand 249 states and 400 transitions. [2019-12-01 18:05:24,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 95 [2019-12-01 18:05:24,281 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 18:05:24,290 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 18:05:24,307 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-12-01 18:05:24,483 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 18:05:24,483 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 401 states to 250 states and 401 transitions. [2019-12-01 18:05:24,483 INFO L276 IsEmpty]: Start isEmpty. Operand 250 states and 401 transitions. [2019-12-01 18:05:24,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2019-12-01 18:05:24,484 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 18:05:24,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 18:05:24,505 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 18:05:24,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 18:05:24,806 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 421 states to 267 states and 421 transitions. [2019-12-01 18:05:24,807 INFO L276 IsEmpty]: Start isEmpty. Operand 267 states and 421 transitions. [2019-12-01 18:05:24,807 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2019-12-01 18:05:24,807 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 18:05:24,813 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 18:05:24,824 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-12-01 18:05:24,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 18:05:24,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 436 states to 279 states and 436 transitions. [2019-12-01 18:05:24,983 INFO L276 IsEmpty]: Start isEmpty. Operand 279 states and 436 transitions. [2019-12-01 18:05:24,984 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2019-12-01 18:05:24,984 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 18:05:24,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 18:05:25,001 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-12-01 18:05:25,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 18:05:25,137 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 440 states to 282 states and 440 transitions. [2019-12-01 18:05:25,138 INFO L276 IsEmpty]: Start isEmpty. Operand 282 states and 440 transitions. [2019-12-01 18:05:25,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2019-12-01 18:05:25,138 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 18:05:25,144 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 18:05:25,167 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-12-01 18:05:25,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 18:05:25,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 442 states to 283 states and 442 transitions. [2019-12-01 18:05:25,200 INFO L276 IsEmpty]: Start isEmpty. Operand 283 states and 442 transitions. [2019-12-01 18:05:25,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2019-12-01 18:05:25,201 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 18:05:25,208 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 18:05:25,218 INFO L134 CoverageAnalysis]: Checked inductivity of 25 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 18:05:25,506 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 18:05:25,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 456 states to 294 states and 456 transitions. [2019-12-01 18:05:25,506 INFO L276 IsEmpty]: Start isEmpty. Operand 294 states and 456 transitions. [2019-12-01 18:05:25,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2019-12-01 18:05:25,507 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 18:05:25,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 18:05:25,587 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 18:05:26,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 18:05:26,527 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 493 states to 321 states and 493 transitions. [2019-12-01 18:05:26,527 INFO L276 IsEmpty]: Start isEmpty. Operand 321 states and 493 transitions. [2019-12-01 18:05:26,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2019-12-01 18:05:26,527 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 18:05:26,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 18:05:26,544 INFO L134 CoverageAnalysis]: Checked inductivity of 32 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-12-01 18:05:26,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 18:05:26,825 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 501 states to 330 states and 501 transitions. [2019-12-01 18:05:26,825 INFO L276 IsEmpty]: Start isEmpty. Operand 330 states and 501 transitions. [2019-12-01 18:05:26,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2019-12-01 18:05:26,826 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 18:05:26,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 18:05:26,863 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-12-01 18:05:26,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 18:05:26,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 505 states to 334 states and 505 transitions. [2019-12-01 18:05:26,946 INFO L276 IsEmpty]: Start isEmpty. Operand 334 states and 505 transitions. [2019-12-01 18:05:26,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2019-12-01 18:05:26,947 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 18:05:26,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 18:05:26,973 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-12-01 18:05:27,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 18:05:27,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 509 states to 338 states and 509 transitions. [2019-12-01 18:05:27,139 INFO L276 IsEmpty]: Start isEmpty. Operand 338 states and 509 transitions. [2019-12-01 18:05:27,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2019-12-01 18:05:27,140 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 18:05:27,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 18:05:27,194 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 18:05:27,653 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 18:05:27,654 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 526 states to 353 states and 526 transitions. [2019-12-01 18:05:27,654 INFO L276 IsEmpty]: Start isEmpty. Operand 353 states and 526 transitions. [2019-12-01 18:05:27,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 104 [2019-12-01 18:05:27,655 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 18:05:27,661 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 18:05:27,698 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 18:05:27,874 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 18:05:27,874 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 529 states to 356 states and 529 transitions. [2019-12-01 18:05:27,874 INFO L276 IsEmpty]: Start isEmpty. Operand 356 states and 529 transitions. [2019-12-01 18:05:27,875 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2019-12-01 18:05:27,875 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 18:05:27,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 18:05:27,894 INFO L134 CoverageAnalysis]: Checked inductivity of 40 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-12-01 18:05:27,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 18:05:27,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 531 states to 358 states and 531 transitions. [2019-12-01 18:05:27,964 INFO L276 IsEmpty]: Start isEmpty. Operand 358 states and 531 transitions. [2019-12-01 18:05:27,964 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2019-12-01 18:05:27,964 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 18:05:27,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 18:05:28,034 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2019-12-01 18:05:29,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 18:05:29,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 565 states to 384 states and 565 transitions. [2019-12-01 18:05:29,096 INFO L276 IsEmpty]: Start isEmpty. Operand 384 states and 565 transitions. [2019-12-01 18:05:29,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2019-12-01 18:05:29,096 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 18:05:29,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 18:05:29,158 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-12-01 18:05:29,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 18:05:29,626 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 640 states to 454 states and 640 transitions. [2019-12-01 18:05:29,626 INFO L276 IsEmpty]: Start isEmpty. Operand 454 states and 640 transitions. [2019-12-01 18:05:29,627 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2019-12-01 18:05:29,627 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 18:05:29,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 18:05:29,705 INFO L134 CoverageAnalysis]: Checked inductivity of 65 backedges. 46 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2019-12-01 18:05:30,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 18:05:30,047 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 646 states to 459 states and 646 transitions. [2019-12-01 18:05:30,047 INFO L276 IsEmpty]: Start isEmpty. Operand 459 states and 646 transitions. [2019-12-01 18:05:30,048 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2019-12-01 18:05:30,048 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 18:05:30,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 18:05:30,072 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 50 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2019-12-01 18:05:31,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 18:05:31,404 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 678 states to 483 states and 678 transitions. [2019-12-01 18:05:31,404 INFO L276 IsEmpty]: Start isEmpty. Operand 483 states and 678 transitions. [2019-12-01 18:05:31,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2019-12-01 18:05:31,405 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 18:05:31,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 18:05:31,436 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 50 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2019-12-01 18:05:32,311 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 18:05:32,311 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 690 states to 494 states and 690 transitions. [2019-12-01 18:05:32,311 INFO L276 IsEmpty]: Start isEmpty. Operand 494 states and 690 transitions. [2019-12-01 18:05:32,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2019-12-01 18:05:32,312 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 18:05:32,319 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 18:05:32,338 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 50 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2019-12-01 18:05:32,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 18:05:32,674 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 694 states to 497 states and 694 transitions. [2019-12-01 18:05:32,674 INFO L276 IsEmpty]: Start isEmpty. Operand 497 states and 694 transitions. [2019-12-01 18:05:32,675 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2019-12-01 18:05:32,675 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 18:05:32,682 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 18:05:32,700 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2019-12-01 18:05:34,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 18:05:34,468 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 713 states to 511 states and 713 transitions. [2019-12-01 18:05:34,468 INFO L276 IsEmpty]: Start isEmpty. Operand 511 states and 713 transitions. [2019-12-01 18:05:34,470 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2019-12-01 18:05:34,470 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 18:05:34,483 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 18:05:34,614 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 74 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-12-01 18:05:37,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 18:05:37,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 745 states to 530 states and 745 transitions. [2019-12-01 18:05:37,096 INFO L276 IsEmpty]: Start isEmpty. Operand 530 states and 745 transitions. [2019-12-01 18:05:37,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2019-12-01 18:05:37,097 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 18:05:37,105 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 18:05:37,122 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 74 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-12-01 18:05:38,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 18:05:38,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 762 states to 541 states and 762 transitions. [2019-12-01 18:05:38,538 INFO L276 IsEmpty]: Start isEmpty. Operand 541 states and 762 transitions. [2019-12-01 18:05:38,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2019-12-01 18:05:38,540 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 18:05:38,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 18:05:38,574 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 74 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-12-01 18:05:38,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 18:05:38,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 777 states to 552 states and 777 transitions. [2019-12-01 18:05:38,945 INFO L276 IsEmpty]: Start isEmpty. Operand 552 states and 777 transitions. [2019-12-01 18:05:38,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2019-12-01 18:05:38,946 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 18:05:38,953 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 18:05:38,969 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 74 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-12-01 18:05:39,192 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 18:05:39,193 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 779 states to 554 states and 779 transitions. [2019-12-01 18:05:39,193 INFO L276 IsEmpty]: Start isEmpty. Operand 554 states and 779 transitions. [2019-12-01 18:05:39,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2019-12-01 18:05:39,194 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 18:05:39,201 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 18:05:39,219 INFO L134 CoverageAnalysis]: Checked inductivity of 73 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2019-12-01 18:05:39,466 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 18:05:39,466 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 790 states to 563 states and 790 transitions. [2019-12-01 18:05:39,467 INFO L276 IsEmpty]: Start isEmpty. Operand 563 states and 790 transitions. [2019-12-01 18:05:39,467 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2019-12-01 18:05:39,467 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 18:05:39,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 18:05:39,489 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 56 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2019-12-01 18:05:39,734 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 18:05:39,734 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 801 states to 572 states and 801 transitions. [2019-12-01 18:05:39,735 INFO L276 IsEmpty]: Start isEmpty. Operand 572 states and 801 transitions. [2019-12-01 18:05:39,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2019-12-01 18:05:39,735 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 18:05:39,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 18:05:39,833 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 57 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2019-12-01 18:05:40,277 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 18:05:40,278 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 806 states to 575 states and 806 transitions. [2019-12-01 18:05:40,278 INFO L276 IsEmpty]: Start isEmpty. Operand 575 states and 806 transitions. [2019-12-01 18:05:40,279 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2019-12-01 18:05:40,279 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 18:05:40,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 18:05:40,329 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 58 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2019-12-01 18:05:41,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 18:05:41,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 824 states to 588 states and 824 transitions. [2019-12-01 18:05:41,303 INFO L276 IsEmpty]: Start isEmpty. Operand 588 states and 824 transitions. [2019-12-01 18:05:41,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2019-12-01 18:05:41,304 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 18:05:41,311 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 18:05:41,328 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 64 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2019-12-01 18:05:41,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 18:05:41,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 829 states to 592 states and 829 transitions. [2019-12-01 18:05:41,737 INFO L276 IsEmpty]: Start isEmpty. Operand 592 states and 829 transitions. [2019-12-01 18:05:41,738 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2019-12-01 18:05:41,738 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 18:05:41,745 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 18:05:41,760 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 64 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2019-12-01 18:05:41,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 18:05:41,800 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 835 states to 599 states and 835 transitions. [2019-12-01 18:05:41,800 INFO L276 IsEmpty]: Start isEmpty. Operand 599 states and 835 transitions. [2019-12-01 18:05:41,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2019-12-01 18:05:41,801 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 18:05:41,808 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 18:05:42,011 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 68 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2019-12-01 18:05:43,062 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 18:05:43,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 863 states to 613 states and 863 transitions. [2019-12-01 18:05:43,063 INFO L276 IsEmpty]: Start isEmpty. Operand 613 states and 863 transitions. [2019-12-01 18:05:43,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2019-12-01 18:05:43,063 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 18:05:43,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 18:05:43,112 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 69 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2019-12-01 18:05:43,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 18:05:43,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 866 states to 615 states and 866 transitions. [2019-12-01 18:05:43,347 INFO L276 IsEmpty]: Start isEmpty. Operand 615 states and 866 transitions. [2019-12-01 18:05:43,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2019-12-01 18:05:43,348 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 18:05:43,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 18:05:43,395 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 69 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2019-12-01 18:05:43,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 18:05:43,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 876 states to 625 states and 876 transitions. [2019-12-01 18:05:43,932 INFO L276 IsEmpty]: Start isEmpty. Operand 625 states and 876 transitions. [2019-12-01 18:05:43,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2019-12-01 18:05:43,933 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 18:05:43,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 18:05:44,040 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 77 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2019-12-01 18:05:44,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 18:05:44,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 899 states to 640 states and 899 transitions. [2019-12-01 18:05:44,580 INFO L276 IsEmpty]: Start isEmpty. Operand 640 states and 899 transitions. [2019-12-01 18:05:44,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2019-12-01 18:05:44,581 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 18:05:44,588 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 18:05:44,607 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2019-12-01 18:05:45,104 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 18:05:45,105 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 908 states to 647 states and 908 transitions. [2019-12-01 18:05:45,105 INFO L276 IsEmpty]: Start isEmpty. Operand 647 states and 908 transitions. [2019-12-01 18:05:45,106 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2019-12-01 18:05:45,106 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 18:05:45,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 18:05:45,134 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 70 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2019-12-01 18:05:45,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 18:05:45,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 909 states to 648 states and 909 transitions. [2019-12-01 18:05:45,195 INFO L276 IsEmpty]: Start isEmpty. Operand 648 states and 909 transitions. [2019-12-01 18:05:45,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2019-12-01 18:05:45,196 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 18:05:45,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 18:05:45,219 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 70 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2019-12-01 18:05:45,405 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 18:05:45,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 910 states to 650 states and 910 transitions. [2019-12-01 18:05:45,406 INFO L276 IsEmpty]: Start isEmpty. Operand 650 states and 910 transitions. [2019-12-01 18:05:45,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2019-12-01 18:05:45,407 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 18:05:45,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 18:05:45,433 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 71 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2019-12-01 18:05:45,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 18:05:45,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 912 states to 651 states and 912 transitions. [2019-12-01 18:05:45,548 INFO L276 IsEmpty]: Start isEmpty. Operand 651 states and 912 transitions. [2019-12-01 18:05:45,549 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2019-12-01 18:05:45,549 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 18:05:45,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 18:05:45,573 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 72 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2019-12-01 18:05:45,690 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 18:05:45,690 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 916 states to 653 states and 916 transitions. [2019-12-01 18:05:45,690 INFO L276 IsEmpty]: Start isEmpty. Operand 653 states and 916 transitions. [2019-12-01 18:05:45,691 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2019-12-01 18:05:45,691 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 18:05:45,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 18:05:45,715 INFO L134 CoverageAnalysis]: Checked inductivity of 97 backedges. 72 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2019-12-01 18:05:45,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 18:05:45,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 916 states to 654 states and 916 transitions. [2019-12-01 18:05:45,826 INFO L276 IsEmpty]: Start isEmpty. Operand 654 states and 916 transitions. [2019-12-01 18:05:45,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2019-12-01 18:05:45,827 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 18:05:45,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 18:05:45,856 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 76 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2019-12-01 18:05:46,388 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 18:05:46,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 930 states to 665 states and 930 transitions. [2019-12-01 18:05:46,389 INFO L276 IsEmpty]: Start isEmpty. Operand 665 states and 930 transitions. [2019-12-01 18:05:46,390 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2019-12-01 18:05:46,390 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 18:05:46,397 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 18:05:46,442 INFO L134 CoverageAnalysis]: Checked inductivity of 84 backedges. 65 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2019-12-01 18:05:46,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 18:05:46,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 938 states to 672 states and 938 transitions. [2019-12-01 18:05:46,583 INFO L276 IsEmpty]: Start isEmpty. Operand 672 states and 938 transitions. [2019-12-01 18:05:46,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2019-12-01 18:05:46,584 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 18:05:46,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 18:05:46,609 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 73 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2019-12-01 18:05:47,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 18:05:47,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 958 states to 688 states and 958 transitions. [2019-12-01 18:05:47,398 INFO L276 IsEmpty]: Start isEmpty. Operand 688 states and 958 transitions. [2019-12-01 18:05:47,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2019-12-01 18:05:47,399 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 18:05:47,406 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 18:05:47,424 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 73 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2019-12-01 18:05:47,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 18:05:47,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 960 states to 690 states and 960 transitions. [2019-12-01 18:05:47,910 INFO L276 IsEmpty]: Start isEmpty. Operand 690 states and 960 transitions. [2019-12-01 18:05:47,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2019-12-01 18:05:47,911 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 18:05:47,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 18:05:48,299 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 66 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2019-12-01 18:05:51,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 18:05:51,539 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1007 states to 735 states and 1007 transitions. [2019-12-01 18:05:51,539 INFO L276 IsEmpty]: Start isEmpty. Operand 735 states and 1007 transitions. [2019-12-01 18:05:51,541 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2019-12-01 18:05:51,541 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 18:05:51,556 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 18:05:51,769 INFO L134 CoverageAnalysis]: Checked inductivity of 111 backedges. 92 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2019-12-01 18:05:52,727 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 18:05:52,728 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1029 states to 748 states and 1029 transitions. [2019-12-01 18:05:52,728 INFO L276 IsEmpty]: Start isEmpty. Operand 748 states and 1029 transitions. [2019-12-01 18:05:52,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2019-12-01 18:05:52,729 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 18:05:52,736 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 18:05:52,779 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 76 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2019-12-01 18:05:52,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 18:05:52,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1032 states to 752 states and 1032 transitions. [2019-12-01 18:05:52,921 INFO L276 IsEmpty]: Start isEmpty. Operand 752 states and 1032 transitions. [2019-12-01 18:05:52,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2019-12-01 18:05:52,922 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 18:05:52,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 18:05:52,949 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 82 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2019-12-01 18:05:55,187 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 18:05:55,188 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1093 states to 793 states and 1093 transitions. [2019-12-01 18:05:55,188 INFO L276 IsEmpty]: Start isEmpty. Operand 793 states and 1093 transitions. [2019-12-01 18:05:55,189 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2019-12-01 18:05:55,189 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 18:05:55,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 18:05:55,233 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 82 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2019-12-01 18:05:56,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 18:05:56,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1117 states to 810 states and 1117 transitions. [2019-12-01 18:05:56,949 INFO L276 IsEmpty]: Start isEmpty. Operand 810 states and 1117 transitions. [2019-12-01 18:05:56,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2019-12-01 18:05:56,950 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 18:05:56,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 18:05:56,984 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 82 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2019-12-01 18:05:58,494 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 18:05:58,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1138 states to 832 states and 1138 transitions. [2019-12-01 18:05:58,495 INFO L276 IsEmpty]: Start isEmpty. Operand 832 states and 1138 transitions. [2019-12-01 18:05:58,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2019-12-01 18:05:58,495 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 18:05:58,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 18:05:58,522 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 82 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2019-12-01 18:05:59,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 18:05:59,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1142 states to 835 states and 1142 transitions. [2019-12-01 18:05:59,395 INFO L276 IsEmpty]: Start isEmpty. Operand 835 states and 1142 transitions. [2019-12-01 18:05:59,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2019-12-01 18:05:59,396 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 18:05:59,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 18:05:59,424 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 82 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2019-12-01 18:05:59,988 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 18:05:59,989 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1151 states to 844 states and 1151 transitions. [2019-12-01 18:05:59,989 INFO L276 IsEmpty]: Start isEmpty. Operand 844 states and 1151 transitions. [2019-12-01 18:05:59,990 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2019-12-01 18:05:59,990 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 18:05:59,997 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 18:06:00,017 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 82 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2019-12-01 18:06:00,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 18:06:00,578 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1155 states to 846 states and 1155 transitions. [2019-12-01 18:06:00,578 INFO L276 IsEmpty]: Start isEmpty. Operand 846 states and 1155 transitions. [2019-12-01 18:06:00,579 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2019-12-01 18:06:00,579 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 18:06:00,586 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 18:06:00,606 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 82 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2019-12-01 18:06:00,868 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 18:06:00,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1155 states to 847 states and 1155 transitions. [2019-12-01 18:06:00,869 INFO L276 IsEmpty]: Start isEmpty. Operand 847 states and 1155 transitions. [2019-12-01 18:06:00,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2019-12-01 18:06:00,870 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 18:06:00,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 18:06:00,897 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 82 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2019-12-01 18:06:01,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 18:06:01,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1163 states to 856 states and 1163 transitions. [2019-12-01 18:06:01,405 INFO L276 IsEmpty]: Start isEmpty. Operand 856 states and 1163 transitions. [2019-12-01 18:06:01,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2019-12-01 18:06:01,406 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 18:06:01,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 18:06:02,898 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 68 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-12-01 18:06:08,877 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 18:06:08,878 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1229 states to 921 states and 1229 transitions. [2019-12-01 18:06:08,878 INFO L276 IsEmpty]: Start isEmpty. Operand 921 states and 1229 transitions. [2019-12-01 18:06:08,879 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2019-12-01 18:06:08,879 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 18:06:08,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 18:06:09,023 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 77 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2019-12-01 18:06:12,047 WARN L192 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 30 DAG size of output: 28 [2019-12-01 18:06:13,159 WARN L192 SmtUtils]: Spent 113.00 ms on a formula simplification. DAG size of input: 28 DAG size of output: 26 [2019-12-01 18:06:15,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 18:06:15,057 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1262 states to 946 states and 1262 transitions. [2019-12-01 18:06:15,057 INFO L276 IsEmpty]: Start isEmpty. Operand 946 states and 1262 transitions. [2019-12-01 18:06:15,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2019-12-01 18:06:15,059 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 18:06:15,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 18:06:15,094 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 77 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2019-12-01 18:06:17,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 18:06:17,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1279 states to 961 states and 1279 transitions. [2019-12-01 18:06:17,831 INFO L276 IsEmpty]: Start isEmpty. Operand 961 states and 1279 transitions. [2019-12-01 18:06:17,832 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2019-12-01 18:06:17,832 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 18:06:17,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 18:06:17,864 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 77 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2019-12-01 18:06:18,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 18:06:18,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1281 states to 963 states and 1281 transitions. [2019-12-01 18:06:18,482 INFO L276 IsEmpty]: Start isEmpty. Operand 963 states and 1281 transitions. [2019-12-01 18:06:18,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2019-12-01 18:06:18,483 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 18:06:18,491 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 18:06:18,568 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 94 proven. 1 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2019-12-01 18:06:19,109 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 18:06:19,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1284 states to 965 states and 1284 transitions. [2019-12-01 18:06:19,110 INFO L276 IsEmpty]: Start isEmpty. Operand 965 states and 1284 transitions. [2019-12-01 18:06:19,111 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2019-12-01 18:06:19,111 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 18:06:19,118 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 18:06:19,136 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 79 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2019-12-01 18:06:19,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 18:06:19,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1294 states to 972 states and 1294 transitions. [2019-12-01 18:06:19,288 INFO L276 IsEmpty]: Start isEmpty. Operand 972 states and 1294 transitions. [2019-12-01 18:06:19,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2019-12-01 18:06:19,289 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 18:06:19,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 18:06:19,315 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 79 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2019-12-01 18:06:20,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 18:06:20,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1302 states to 977 states and 1302 transitions. [2019-12-01 18:06:20,101 INFO L276 IsEmpty]: Start isEmpty. Operand 977 states and 1302 transitions. [2019-12-01 18:06:20,102 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2019-12-01 18:06:20,102 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 18:06:20,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 18:06:20,129 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 79 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2019-12-01 18:06:20,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 18:06:20,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1305 states to 981 states and 1305 transitions. [2019-12-01 18:06:20,289 INFO L276 IsEmpty]: Start isEmpty. Operand 981 states and 1305 transitions. [2019-12-01 18:06:20,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2019-12-01 18:06:20,290 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 18:06:20,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 18:06:20,316 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 79 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2019-12-01 18:06:20,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 18:06:20,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1305 states to 982 states and 1305 transitions. [2019-12-01 18:06:20,479 INFO L276 IsEmpty]: Start isEmpty. Operand 982 states and 1305 transitions. [2019-12-01 18:06:20,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2019-12-01 18:06:20,480 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 18:06:20,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 18:06:20,529 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2019-12-01 18:06:25,350 WARN L192 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 29 DAG size of output: 25 [2019-12-01 18:06:30,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 18:06:30,344 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1381 states to 1049 states and 1381 transitions. [2019-12-01 18:06:30,344 INFO L276 IsEmpty]: Start isEmpty. Operand 1049 states and 1381 transitions. [2019-12-01 18:06:30,347 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2019-12-01 18:06:30,347 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 18:06:30,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 18:06:30,396 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2019-12-01 18:06:35,444 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 18:06:35,447 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1403 states to 1068 states and 1403 transitions. [2019-12-01 18:06:35,447 INFO L276 IsEmpty]: Start isEmpty. Operand 1068 states and 1403 transitions. [2019-12-01 18:06:35,450 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2019-12-01 18:06:35,450 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 18:06:35,466 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 18:06:35,499 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2019-12-01 18:06:35,755 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 18:06:35,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1403 states to 1069 states and 1403 transitions. [2019-12-01 18:06:35,756 INFO L276 IsEmpty]: Start isEmpty. Operand 1069 states and 1403 transitions. [2019-12-01 18:06:35,757 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2019-12-01 18:06:35,757 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 18:06:35,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 18:06:35,799 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 6 proven. 2 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2019-12-01 18:06:38,288 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 18:06:38,289 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1405 states to 1071 states and 1405 transitions. [2019-12-01 18:06:38,289 INFO L276 IsEmpty]: Start isEmpty. Operand 1071 states and 1405 transitions. [2019-12-01 18:06:38,290 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2019-12-01 18:06:38,290 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 18:06:38,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 18:06:38,322 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 80 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2019-12-01 18:06:41,507 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 18:06:41,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1461 states to 1118 states and 1461 transitions. [2019-12-01 18:06:41,510 INFO L276 IsEmpty]: Start isEmpty. Operand 1118 states and 1461 transitions. [2019-12-01 18:06:41,513 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2019-12-01 18:06:41,513 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 18:06:41,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 18:06:41,552 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 80 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2019-12-01 18:06:43,103 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 18:06:43,104 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1478 states to 1133 states and 1478 transitions. [2019-12-01 18:06:43,104 INFO L276 IsEmpty]: Start isEmpty. Operand 1133 states and 1478 transitions. [2019-12-01 18:06:43,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2019-12-01 18:06:43,105 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 18:06:43,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 18:06:43,136 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 80 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2019-12-01 18:06:44,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 18:06:44,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1482 states to 1137 states and 1482 transitions. [2019-12-01 18:06:44,758 INFO L276 IsEmpty]: Start isEmpty. Operand 1137 states and 1482 transitions. [2019-12-01 18:06:44,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2019-12-01 18:06:44,759 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 18:06:44,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 18:06:44,794 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 80 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2019-12-01 18:06:46,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 18:06:46,305 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1489 states to 1145 states and 1489 transitions. [2019-12-01 18:06:46,305 INFO L276 IsEmpty]: Start isEmpty. Operand 1145 states and 1489 transitions. [2019-12-01 18:06:46,307 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2019-12-01 18:06:46,308 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 18:06:46,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 18:06:46,337 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 79 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2019-12-01 18:06:46,816 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 18:06:46,817 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1496 states to 1150 states and 1496 transitions. [2019-12-01 18:06:46,817 INFO L276 IsEmpty]: Start isEmpty. Operand 1150 states and 1496 transitions. [2019-12-01 18:06:46,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2019-12-01 18:06:46,819 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 18:06:46,828 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 18:06:47,144 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 81 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-12-01 18:06:49,657 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 18:06:49,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1553 states to 1203 states and 1553 transitions. [2019-12-01 18:06:49,660 INFO L276 IsEmpty]: Start isEmpty. Operand 1203 states and 1553 transitions. [2019-12-01 18:06:49,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2019-12-01 18:06:49,663 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 18:06:49,681 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 18:06:49,750 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 81 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-12-01 18:06:50,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 18:06:50,701 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1566 states to 1219 states and 1566 transitions. [2019-12-01 18:06:50,701 INFO L276 IsEmpty]: Start isEmpty. Operand 1219 states and 1566 transitions. [2019-12-01 18:06:50,703 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2019-12-01 18:06:50,703 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 18:06:50,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 18:06:50,880 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 122 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2019-12-01 18:06:51,674 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 18:06:51,677 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1567 states to 1220 states and 1567 transitions. [2019-12-01 18:06:51,677 INFO L276 IsEmpty]: Start isEmpty. Operand 1220 states and 1567 transitions. [2019-12-01 18:06:51,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2019-12-01 18:06:51,680 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 18:06:51,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 18:06:51,734 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 122 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2019-12-01 18:06:52,969 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 18:06:52,970 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1582 states to 1231 states and 1582 transitions. [2019-12-01 18:06:52,970 INFO L276 IsEmpty]: Start isEmpty. Operand 1231 states and 1582 transitions. [2019-12-01 18:06:52,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2019-12-01 18:06:52,971 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 18:06:52,981 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 18:06:53,013 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 100 proven. 0 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2019-12-01 18:06:54,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 18:06:54,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1594 states to 1238 states and 1594 transitions. [2019-12-01 18:06:54,506 INFO L276 IsEmpty]: Start isEmpty. Operand 1238 states and 1594 transitions. [2019-12-01 18:06:54,509 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2019-12-01 18:06:54,509 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 18:06:54,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 18:06:54,612 INFO L134 CoverageAnalysis]: Checked inductivity of 157 backedges. 111 proven. 1 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2019-12-01 18:06:54,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 18:06:54,920 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1598 states to 1244 states and 1598 transitions. [2019-12-01 18:06:54,920 INFO L276 IsEmpty]: Start isEmpty. Operand 1244 states and 1598 transitions. [2019-12-01 18:06:54,921 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2019-12-01 18:06:54,921 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 18:06:54,932 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 18:06:55,038 INFO L134 CoverageAnalysis]: Checked inductivity of 134 backedges. 96 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2019-12-01 18:06:57,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 18:06:57,628 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1616 states to 1258 states and 1616 transitions. [2019-12-01 18:06:57,628 INFO L276 IsEmpty]: Start isEmpty. Operand 1258 states and 1616 transitions. [2019-12-01 18:06:57,629 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2019-12-01 18:06:57,630 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 18:06:57,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 18:06:57,668 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 93 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2019-12-01 18:06:58,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 18:06:58,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1625 states to 1267 states and 1625 transitions. [2019-12-01 18:06:58,500 INFO L276 IsEmpty]: Start isEmpty. Operand 1267 states and 1625 transitions. [2019-12-01 18:06:58,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2019-12-01 18:06:58,501 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 18:06:58,511 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 18:06:58,558 INFO L134 CoverageAnalysis]: Checked inductivity of 178 backedges. 143 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2019-12-01 18:06:59,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 18:06:59,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1637 states to 1278 states and 1637 transitions. [2019-12-01 18:06:59,061 INFO L276 IsEmpty]: Start isEmpty. Operand 1278 states and 1637 transitions. [2019-12-01 18:06:59,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 164 [2019-12-01 18:06:59,062 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 18:06:59,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 18:06:59,118 INFO L134 CoverageAnalysis]: Checked inductivity of 178 backedges. 143 proven. 0 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2019-12-01 18:06:59,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 18:06:59,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1648 states to 1289 states and 1648 transitions. [2019-12-01 18:06:59,526 INFO L276 IsEmpty]: Start isEmpty. Operand 1289 states and 1648 transitions. [2019-12-01 18:06:59,527 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2019-12-01 18:06:59,527 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 18:06:59,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 18:06:59,556 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 122 proven. 0 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2019-12-01 18:07:01,004 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 18:07:01,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1672 states to 1309 states and 1672 transitions. [2019-12-01 18:07:01,005 INFO L276 IsEmpty]: Start isEmpty. Operand 1309 states and 1672 transitions. [2019-12-01 18:07:01,006 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 165 [2019-12-01 18:07:01,006 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 18:07:01,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 18:07:01,034 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 122 proven. 0 refuted. 0 times theorem prover too weak. 68 trivial. 0 not checked. [2019-12-01 18:07:02,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 18:07:02,249 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1684 states to 1320 states and 1684 transitions. [2019-12-01 18:07:02,249 INFO L276 IsEmpty]: Start isEmpty. Operand 1320 states and 1684 transitions. [2019-12-01 18:07:02,250 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2019-12-01 18:07:02,250 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 18:07:02,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 18:07:02,305 INFO L134 CoverageAnalysis]: Checked inductivity of 165 backedges. 143 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2019-12-01 18:07:03,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 18:07:03,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1705 states to 1332 states and 1705 transitions. [2019-12-01 18:07:03,458 INFO L276 IsEmpty]: Start isEmpty. Operand 1332 states and 1705 transitions. [2019-12-01 18:07:03,458 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2019-12-01 18:07:03,458 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 18:07:03,468 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 18:07:03,509 INFO L134 CoverageAnalysis]: Checked inductivity of 165 backedges. 143 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2019-12-01 18:07:04,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 18:07:04,054 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1715 states to 1338 states and 1715 transitions. [2019-12-01 18:07:04,054 INFO L276 IsEmpty]: Start isEmpty. Operand 1338 states and 1715 transitions. [2019-12-01 18:07:04,055 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2019-12-01 18:07:04,055 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 18:07:04,066 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 18:07:04,097 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 92 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2019-12-01 18:07:04,186 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 18:07:04,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1717 states to 1341 states and 1717 transitions. [2019-12-01 18:07:04,187 INFO L276 IsEmpty]: Start isEmpty. Operand 1341 states and 1717 transitions. [2019-12-01 18:07:04,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2019-12-01 18:07:04,188 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 18:07:04,199 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 18:07:04,242 INFO L134 CoverageAnalysis]: Checked inductivity of 167 backedges. 148 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2019-12-01 18:07:04,464 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 18:07:04,465 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1739 states to 1355 states and 1739 transitions. [2019-12-01 18:07:04,465 INFO L276 IsEmpty]: Start isEmpty. Operand 1355 states and 1739 transitions. [2019-12-01 18:07:04,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2019-12-01 18:07:04,466 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 18:07:04,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 18:07:04,522 INFO L134 CoverageAnalysis]: Checked inductivity of 167 backedges. 148 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2019-12-01 18:07:04,729 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 18:07:04,729 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1745 states to 1362 states and 1745 transitions. [2019-12-01 18:07:04,730 INFO L276 IsEmpty]: Start isEmpty. Operand 1362 states and 1745 transitions. [2019-12-01 18:07:04,730 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2019-12-01 18:07:04,730 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 18:07:04,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 18:07:04,824 INFO L134 CoverageAnalysis]: Checked inductivity of 168 backedges. 113 proven. 0 refuted. 0 times theorem prover too weak. 55 trivial. 0 not checked. [2019-12-01 18:07:05,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 18:07:05,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1747 states to 1365 states and 1747 transitions. [2019-12-01 18:07:05,200 INFO L276 IsEmpty]: Start isEmpty. Operand 1365 states and 1747 transitions. [2019-12-01 18:07:05,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2019-12-01 18:07:05,201 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 18:07:05,210 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 18:07:05,260 INFO L134 CoverageAnalysis]: Checked inductivity of 169 backedges. 150 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2019-12-01 18:07:05,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 18:07:05,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1758 states to 1376 states and 1758 transitions. [2019-12-01 18:07:05,714 INFO L276 IsEmpty]: Start isEmpty. Operand 1376 states and 1758 transitions. [2019-12-01 18:07:05,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2019-12-01 18:07:05,715 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 18:07:05,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 18:07:05,754 INFO L134 CoverageAnalysis]: Checked inductivity of 173 backedges. 154 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2019-12-01 18:07:13,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 18:07:13,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1816 states to 1418 states and 1816 transitions. [2019-12-01 18:07:13,576 INFO L276 IsEmpty]: Start isEmpty. Operand 1418 states and 1816 transitions. [2019-12-01 18:07:13,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2019-12-01 18:07:13,578 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 18:07:13,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 18:07:13,636 INFO L134 CoverageAnalysis]: Checked inductivity of 163 backedges. 144 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2019-12-01 18:07:13,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 18:07:14,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1825 states to 1422 states and 1825 transitions. [2019-12-01 18:07:14,000 INFO L276 IsEmpty]: Start isEmpty. Operand 1422 states and 1825 transitions. [2019-12-01 18:07:14,001 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2019-12-01 18:07:14,001 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 18:07:14,010 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 18:07:14,065 INFO L134 CoverageAnalysis]: Checked inductivity of 206 backedges. 143 proven. 0 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2019-12-01 18:07:15,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 18:07:15,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1831 states to 1426 states and 1831 transitions. [2019-12-01 18:07:15,039 INFO L276 IsEmpty]: Start isEmpty. Operand 1426 states and 1831 transitions. [2019-12-01 18:07:15,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2019-12-01 18:07:15,039 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 18:07:15,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 18:07:15,103 INFO L134 CoverageAnalysis]: Checked inductivity of 206 backedges. 143 proven. 0 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2019-12-01 18:07:15,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 18:07:15,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1839 states to 1432 states and 1839 transitions. [2019-12-01 18:07:15,638 INFO L276 IsEmpty]: Start isEmpty. Operand 1432 states and 1839 transitions. [2019-12-01 18:07:15,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2019-12-01 18:07:15,639 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 18:07:15,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 18:07:15,675 INFO L134 CoverageAnalysis]: Checked inductivity of 177 backedges. 141 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2019-12-01 18:07:15,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 18:07:15,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1846 states to 1440 states and 1846 transitions. [2019-12-01 18:07:15,907 INFO L276 IsEmpty]: Start isEmpty. Operand 1440 states and 1846 transitions. [2019-12-01 18:07:15,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2019-12-01 18:07:15,908 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 18:07:15,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 18:07:15,942 INFO L134 CoverageAnalysis]: Checked inductivity of 232 backedges. 184 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2019-12-01 18:07:16,002 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 18:07:16,003 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1847 states to 1441 states and 1847 transitions. [2019-12-01 18:07:16,003 INFO L276 IsEmpty]: Start isEmpty. Operand 1441 states and 1847 transitions. [2019-12-01 18:07:16,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2019-12-01 18:07:16,004 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 18:07:16,013 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 18:07:16,038 INFO L134 CoverageAnalysis]: Checked inductivity of 232 backedges. 184 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2019-12-01 18:07:17,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 18:07:17,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1851 states to 1445 states and 1851 transitions. [2019-12-01 18:07:17,156 INFO L276 IsEmpty]: Start isEmpty. Operand 1445 states and 1851 transitions. [2019-12-01 18:07:17,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2019-12-01 18:07:17,158 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 18:07:17,178 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 18:07:17,204 INFO L134 CoverageAnalysis]: Checked inductivity of 232 backedges. 184 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2019-12-01 18:07:17,236 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 18:07:17,236 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1854 states to 1449 states and 1854 transitions. [2019-12-01 18:07:17,237 INFO L276 IsEmpty]: Start isEmpty. Operand 1449 states and 1854 transitions. [2019-12-01 18:07:17,237 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2019-12-01 18:07:17,237 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 18:07:17,248 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 18:07:19,251 INFO L134 CoverageAnalysis]: Checked inductivity of 142 backedges. 124 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2019-12-01 18:07:23,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 18:07:23,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1908 states to 1501 states and 1908 transitions. [2019-12-01 18:07:23,431 INFO L276 IsEmpty]: Start isEmpty. Operand 1501 states and 1908 transitions. [2019-12-01 18:07:23,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2019-12-01 18:07:23,432 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 18:07:23,442 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 18:07:23,478 INFO L134 CoverageAnalysis]: Checked inductivity of 205 backedges. 183 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2019-12-01 18:07:25,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 18:07:25,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1930 states to 1520 states and 1930 transitions. [2019-12-01 18:07:25,575 INFO L276 IsEmpty]: Start isEmpty. Operand 1520 states and 1930 transitions. [2019-12-01 18:07:25,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2019-12-01 18:07:25,577 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 18:07:25,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 18:07:25,623 INFO L134 CoverageAnalysis]: Checked inductivity of 205 backedges. 183 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2019-12-01 18:07:26,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 18:07:26,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1948 states to 1537 states and 1948 transitions. [2019-12-01 18:07:26,649 INFO L276 IsEmpty]: Start isEmpty. Operand 1537 states and 1948 transitions. [2019-12-01 18:07:26,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2019-12-01 18:07:26,650 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 18:07:26,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 18:07:26,720 INFO L134 CoverageAnalysis]: Checked inductivity of 253 backedges. 165 proven. 0 refuted. 0 times theorem prover too weak. 88 trivial. 0 not checked. [2019-12-01 18:07:27,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 18:07:27,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1961 states to 1547 states and 1961 transitions. [2019-12-01 18:07:27,291 INFO L276 IsEmpty]: Start isEmpty. Operand 1547 states and 1961 transitions. [2019-12-01 18:07:27,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2019-12-01 18:07:27,292 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 18:07:27,303 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 18:07:27,337 INFO L134 CoverageAnalysis]: Checked inductivity of 257 backedges. 158 proven. 0 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2019-12-01 18:07:27,609 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 18:07:27,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1966 states to 1553 states and 1966 transitions. [2019-12-01 18:07:27,610 INFO L276 IsEmpty]: Start isEmpty. Operand 1553 states and 1966 transitions. [2019-12-01 18:07:27,610 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2019-12-01 18:07:27,610 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 18:07:27,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 18:07:27,682 INFO L134 CoverageAnalysis]: Checked inductivity of 189 backedges. 145 proven. 0 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2019-12-01 18:07:29,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 18:07:29,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2005 states to 1590 states and 2005 transitions. [2019-12-01 18:07:29,897 INFO L276 IsEmpty]: Start isEmpty. Operand 1590 states and 2005 transitions. [2019-12-01 18:07:29,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2019-12-01 18:07:29,898 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 18:07:29,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 18:07:32,499 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 165 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-12-01 18:07:36,237 WARN L192 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 36 [2019-12-01 18:07:37,731 WARN L192 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 39 [2019-12-01 18:07:38,401 WARN L192 SmtUtils]: Spent 121.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 32 [2019-12-01 18:07:39,626 WARN L192 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 38 [2019-12-01 18:07:42,869 WARN L192 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 33 [2019-12-01 18:07:44,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 18:07:44,787 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2077 states to 1653 states and 2077 transitions. [2019-12-01 18:07:44,787 INFO L276 IsEmpty]: Start isEmpty. Operand 1653 states and 2077 transitions. [2019-12-01 18:07:44,788 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2019-12-01 18:07:44,788 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 18:07:44,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 18:07:44,975 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 165 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-12-01 18:07:48,575 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 18:07:48,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2119 states to 1696 states and 2119 transitions. [2019-12-01 18:07:48,576 INFO L276 IsEmpty]: Start isEmpty. Operand 1696 states and 2119 transitions. [2019-12-01 18:07:48,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2019-12-01 18:07:48,577 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 18:07:48,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 18:07:48,618 INFO L134 CoverageAnalysis]: Checked inductivity of 203 backedges. 184 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2019-12-01 18:07:49,155 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 18:07:49,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2130 states to 1707 states and 2130 transitions. [2019-12-01 18:07:49,156 INFO L276 IsEmpty]: Start isEmpty. Operand 1707 states and 2130 transitions. [2019-12-01 18:07:49,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2019-12-01 18:07:49,158 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 18:07:49,174 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 18:07:49,205 INFO L134 CoverageAnalysis]: Checked inductivity of 203 backedges. 184 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2019-12-01 18:07:50,626 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 18:07:50,627 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2157 states to 1731 states and 2157 transitions. [2019-12-01 18:07:50,627 INFO L276 IsEmpty]: Start isEmpty. Operand 1731 states and 2157 transitions. [2019-12-01 18:07:50,628 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2019-12-01 18:07:50,628 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 18:07:50,639 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 18:07:50,669 INFO L134 CoverageAnalysis]: Checked inductivity of 203 backedges. 184 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2019-12-01 18:07:52,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 18:07:52,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2161 states to 1735 states and 2161 transitions. [2019-12-01 18:07:52,216 INFO L276 IsEmpty]: Start isEmpty. Operand 1735 states and 2161 transitions. [2019-12-01 18:07:52,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2019-12-01 18:07:52,217 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 18:07:52,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 18:07:52,264 INFO L134 CoverageAnalysis]: Checked inductivity of 203 backedges. 184 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2019-12-01 18:07:55,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 18:07:55,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2172 states to 1746 states and 2172 transitions. [2019-12-01 18:07:55,034 INFO L276 IsEmpty]: Start isEmpty. Operand 1746 states and 2172 transitions. [2019-12-01 18:07:55,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2019-12-01 18:07:55,036 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 18:07:55,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 18:07:55,077 INFO L134 CoverageAnalysis]: Checked inductivity of 236 backedges. 134 proven. 0 refuted. 0 times theorem prover too weak. 102 trivial. 0 not checked. [2019-12-01 18:07:55,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 18:07:55,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2182 states to 1756 states and 2182 transitions. [2019-12-01 18:07:55,896 INFO L276 IsEmpty]: Start isEmpty. Operand 1756 states and 2182 transitions. [2019-12-01 18:07:55,898 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2019-12-01 18:07:55,898 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 18:07:55,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 18:07:55,970 INFO L134 CoverageAnalysis]: Checked inductivity of 209 backedges. 190 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2019-12-01 18:07:56,648 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 18:07:56,649 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2186 states to 1760 states and 2186 transitions. [2019-12-01 18:07:56,649 INFO L276 IsEmpty]: Start isEmpty. Operand 1760 states and 2186 transitions. [2019-12-01 18:07:56,650 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2019-12-01 18:07:56,650 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 18:07:56,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 18:08:00,957 INFO L134 CoverageAnalysis]: Checked inductivity of 189 backedges. 184 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2019-12-01 18:08:05,645 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 18:08:05,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2211 states to 1782 states and 2211 transitions. [2019-12-01 18:08:05,646 INFO L276 IsEmpty]: Start isEmpty. Operand 1782 states and 2211 transitions. [2019-12-01 18:08:05,647 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 202 [2019-12-01 18:08:05,647 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 18:08:05,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 18:08:05,714 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 116 proven. 4 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2019-12-01 18:08:06,144 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 18:08:06,145 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2220 states to 1787 states and 2220 transitions. [2019-12-01 18:08:06,145 INFO L276 IsEmpty]: Start isEmpty. Operand 1787 states and 2220 transitions. [2019-12-01 18:08:06,146 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 204 [2019-12-01 18:08:06,146 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 18:08:06,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 18:08:06,222 INFO L134 CoverageAnalysis]: Checked inductivity of 285 backedges. 181 proven. 0 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2019-12-01 18:08:06,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 18:08:06,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2234 states to 1798 states and 2234 transitions. [2019-12-01 18:08:06,303 INFO L276 IsEmpty]: Start isEmpty. Operand 1798 states and 2234 transitions. [2019-12-01 18:08:06,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 204 [2019-12-01 18:08:06,304 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 18:08:06,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 18:08:06,382 INFO L134 CoverageAnalysis]: Checked inductivity of 285 backedges. 181 proven. 0 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2019-12-01 18:08:07,041 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 18:08:07,042 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2241 states to 1806 states and 2241 transitions. [2019-12-01 18:08:07,042 INFO L276 IsEmpty]: Start isEmpty. Operand 1806 states and 2241 transitions. [2019-12-01 18:08:07,043 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2019-12-01 18:08:07,043 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 18:08:07,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 18:08:07,118 INFO L134 CoverageAnalysis]: Checked inductivity of 242 backedges. 173 proven. 0 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2019-12-01 18:08:09,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 18:08:09,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2246 states to 1810 states and 2246 transitions. [2019-12-01 18:08:09,955 INFO L276 IsEmpty]: Start isEmpty. Operand 1810 states and 2246 transitions. [2019-12-01 18:08:09,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2019-12-01 18:08:09,957 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 18:08:09,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 18:08:10,040 INFO L134 CoverageAnalysis]: Checked inductivity of 242 backedges. 173 proven. 0 refuted. 0 times theorem prover too weak. 69 trivial. 0 not checked. [2019-12-01 18:08:10,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 18:08:10,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2249 states to 1813 states and 2249 transitions. [2019-12-01 18:08:10,538 INFO L276 IsEmpty]: Start isEmpty. Operand 1813 states and 2249 transitions. [2019-12-01 18:08:10,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2019-12-01 18:08:10,539 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 18:08:10,550 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 18:08:10,589 INFO L134 CoverageAnalysis]: Checked inductivity of 287 backedges. 169 proven. 0 refuted. 0 times theorem prover too weak. 118 trivial. 0 not checked. [2019-12-01 18:08:11,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 18:08:11,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2254 states to 1818 states and 2254 transitions. [2019-12-01 18:08:11,518 INFO L276 IsEmpty]: Start isEmpty. Operand 1818 states and 2254 transitions. [2019-12-01 18:08:11,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2019-12-01 18:08:11,519 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 18:08:11,532 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 18:08:11,571 INFO L134 CoverageAnalysis]: Checked inductivity of 287 backedges. 169 proven. 0 refuted. 0 times theorem prover too weak. 118 trivial. 0 not checked. [2019-12-01 18:08:17,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 18:08:17,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2261 states to 1826 states and 2261 transitions. [2019-12-01 18:08:17,601 INFO L276 IsEmpty]: Start isEmpty. Operand 1826 states and 2261 transitions. [2019-12-01 18:08:17,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2019-12-01 18:08:17,602 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 18:08:17,612 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 18:08:17,651 INFO L134 CoverageAnalysis]: Checked inductivity of 287 backedges. 169 proven. 0 refuted. 0 times theorem prover too weak. 118 trivial. 0 not checked. [2019-12-01 18:08:17,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 18:08:17,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2261 states to 1827 states and 2261 transitions. [2019-12-01 18:08:17,966 INFO L276 IsEmpty]: Start isEmpty. Operand 1827 states and 2261 transitions. [2019-12-01 18:08:17,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2019-12-01 18:08:17,967 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 18:08:17,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 18:08:18,287 INFO L134 CoverageAnalysis]: Checked inductivity of 293 backedges. 180 proven. 78 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2019-12-01 18:08:21,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 18:08:21,757 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2289 states to 1852 states and 2289 transitions. [2019-12-01 18:08:21,757 INFO L276 IsEmpty]: Start isEmpty. Operand 1852 states and 2289 transitions. [2019-12-01 18:08:21,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2019-12-01 18:08:21,758 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 18:08:21,769 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 18:08:21,867 INFO L134 CoverageAnalysis]: Checked inductivity of 293 backedges. 180 proven. 78 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2019-12-01 18:08:22,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 18:08:22,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2295 states to 1859 states and 2295 transitions. [2019-12-01 18:08:22,395 INFO L276 IsEmpty]: Start isEmpty. Operand 1859 states and 2295 transitions. [2019-12-01 18:08:22,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2019-12-01 18:08:22,396 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 18:08:22,407 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 18:08:22,439 INFO L134 CoverageAnalysis]: Checked inductivity of 306 backedges. 185 proven. 0 refuted. 0 times theorem prover too weak. 121 trivial. 0 not checked. [2019-12-01 18:08:22,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 18:08:22,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2300 states to 1863 states and 2300 transitions. [2019-12-01 18:08:22,894 INFO L276 IsEmpty]: Start isEmpty. Operand 1863 states and 2300 transitions. [2019-12-01 18:08:22,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 208 [2019-12-01 18:08:22,895 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 18:08:22,906 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 18:08:22,944 INFO L134 CoverageAnalysis]: Checked inductivity of 250 backedges. 185 proven. 0 refuted. 0 times theorem prover too weak. 65 trivial. 0 not checked. [2019-12-01 18:08:24,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 18:08:24,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2331 states to 1891 states and 2331 transitions. [2019-12-01 18:08:24,959 INFO L276 IsEmpty]: Start isEmpty. Operand 1891 states and 2331 transitions. [2019-12-01 18:08:24,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209 [2019-12-01 18:08:24,960 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 18:08:24,970 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 18:08:25,008 INFO L134 CoverageAnalysis]: Checked inductivity of 229 backedges. 158 proven. 0 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2019-12-01 18:08:25,348 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 18:08:25,349 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2337 states to 1896 states and 2337 transitions. [2019-12-01 18:08:25,349 INFO L276 IsEmpty]: Start isEmpty. Operand 1896 states and 2337 transitions. [2019-12-01 18:08:25,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2019-12-01 18:08:25,350 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 18:08:25,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 18:08:25,431 INFO L134 CoverageAnalysis]: Checked inductivity of 297 backedges. 188 proven. 0 refuted. 0 times theorem prover too weak. 109 trivial. 0 not checked. [2019-12-01 18:08:25,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 18:08:25,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2338 states to 1897 states and 2338 transitions. [2019-12-01 18:08:25,950 INFO L276 IsEmpty]: Start isEmpty. Operand 1897 states and 2338 transitions. [2019-12-01 18:08:25,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2019-12-01 18:08:25,952 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 18:08:25,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 18:08:26,007 INFO L134 CoverageAnalysis]: Checked inductivity of 229 backedges. 165 proven. 4 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2019-12-01 18:08:32,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 18:08:32,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2419 states to 1970 states and 2419 transitions. [2019-12-01 18:08:32,716 INFO L276 IsEmpty]: Start isEmpty. Operand 1970 states and 2419 transitions. [2019-12-01 18:08:32,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2019-12-01 18:08:32,718 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 18:08:32,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 18:08:32,779 INFO L134 CoverageAnalysis]: Checked inductivity of 229 backedges. 165 proven. 4 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2019-12-01 18:08:33,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 18:08:33,272 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2425 states to 1977 states and 2425 transitions. [2019-12-01 18:08:33,272 INFO L276 IsEmpty]: Start isEmpty. Operand 1977 states and 2425 transitions. [2019-12-01 18:08:33,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2019-12-01 18:08:33,273 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 18:08:33,287 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 18:08:33,356 INFO L134 CoverageAnalysis]: Checked inductivity of 418 backedges. 286 proven. 0 refuted. 0 times theorem prover too weak. 132 trivial. 0 not checked. [2019-12-01 18:08:34,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 18:08:34,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2430 states to 1981 states and 2430 transitions. [2019-12-01 18:08:34,797 INFO L276 IsEmpty]: Start isEmpty. Operand 1981 states and 2430 transitions. [2019-12-01 18:08:34,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2019-12-01 18:08:34,798 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 18:08:34,809 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 18:08:34,848 INFO L134 CoverageAnalysis]: Checked inductivity of 300 backedges. 257 proven. 0 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2019-12-01 18:08:43,595 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 18:08:43,598 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2467 states to 2007 states and 2467 transitions. [2019-12-01 18:08:43,598 INFO L276 IsEmpty]: Start isEmpty. Operand 2007 states and 2467 transitions. [2019-12-01 18:08:43,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2019-12-01 18:08:43,601 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 18:08:43,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 18:08:43,668 INFO L134 CoverageAnalysis]: Checked inductivity of 294 backedges. 144 proven. 0 refuted. 0 times theorem prover too weak. 150 trivial. 0 not checked. [2019-12-01 18:08:44,222 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 18:08:44,223 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2539 states to 2077 states and 2539 transitions. [2019-12-01 18:08:44,223 INFO L276 IsEmpty]: Start isEmpty. Operand 2077 states and 2539 transitions. [2019-12-01 18:08:44,224 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 233 [2019-12-01 18:08:44,224 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 18:08:44,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 18:08:44,331 INFO L134 CoverageAnalysis]: Checked inductivity of 323 backedges. 123 proven. 0 refuted. 0 times theorem prover too weak. 200 trivial. 0 not checked. [2019-12-01 18:08:44,393 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 18:08:44,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2539 states to 2078 states and 2539 transitions. [2019-12-01 18:08:44,394 INFO L276 IsEmpty]: Start isEmpty. Operand 2078 states and 2539 transitions. [2019-12-01 18:08:44,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 288 [2019-12-01 18:08:44,395 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 18:08:44,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 18:08:47,369 INFO L134 CoverageAnalysis]: Checked inductivity of 508 backedges. 321 proven. 106 refuted. 0 times theorem prover too weak. 81 trivial. 0 not checked. [2019-12-01 18:08:50,317 WARN L192 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 32 DAG size of output: 22 [2019-12-01 18:08:51,887 WARN L192 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 29 [2019-12-01 18:09:02,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 18:09:02,205 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2575 states to 2103 states and 2575 transitions. [2019-12-01 18:09:02,205 INFO L276 IsEmpty]: Start isEmpty. Operand 2103 states and 2575 transitions. [2019-12-01 18:09:02,206 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 288 [2019-12-01 18:09:02,206 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 18:09:02,224 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 18:09:02,355 INFO L134 CoverageAnalysis]: Checked inductivity of 508 backedges. 321 proven. 106 refuted. 0 times theorem prover too weak. 81 trivial. 0 not checked. [2019-12-01 18:09:03,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 18:09:03,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2585 states to 2114 states and 2585 transitions. [2019-12-01 18:09:03,977 INFO L276 IsEmpty]: Start isEmpty. Operand 2114 states and 2585 transitions. [2019-12-01 18:09:03,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 289 [2019-12-01 18:09:03,978 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 18:09:03,995 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 18:09:04,069 INFO L134 CoverageAnalysis]: Checked inductivity of 455 backedges. 289 proven. 0 refuted. 0 times theorem prover too weak. 166 trivial. 0 not checked. [2019-12-01 18:09:06,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 18:09:06,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2595 states to 2123 states and 2595 transitions. [2019-12-01 18:09:06,945 INFO L276 IsEmpty]: Start isEmpty. Operand 2123 states and 2595 transitions. [2019-12-01 18:09:06,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 289 [2019-12-01 18:09:06,947 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 18:09:06,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 18:09:07,038 INFO L134 CoverageAnalysis]: Checked inductivity of 455 backedges. 289 proven. 0 refuted. 0 times theorem prover too weak. 166 trivial. 0 not checked. [2019-12-01 18:09:07,373 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 18:09:07,374 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2597 states to 2126 states and 2597 transitions. [2019-12-01 18:09:07,374 INFO L276 IsEmpty]: Start isEmpty. Operand 2126 states and 2597 transitions. [2019-12-01 18:09:07,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 289 [2019-12-01 18:09:07,375 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 18:09:07,393 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 18:09:07,465 INFO L134 CoverageAnalysis]: Checked inductivity of 455 backedges. 289 proven. 0 refuted. 0 times theorem prover too weak. 166 trivial. 0 not checked. [2019-12-01 18:09:08,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 18:09:08,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2599 states to 2129 states and 2599 transitions. [2019-12-01 18:09:08,639 INFO L276 IsEmpty]: Start isEmpty. Operand 2129 states and 2599 transitions. [2019-12-01 18:09:08,640 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 290 [2019-12-01 18:09:08,641 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 18:09:08,653 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 18:09:08,838 INFO L134 CoverageAnalysis]: Checked inductivity of 649 backedges. 440 proven. 4 refuted. 0 times theorem prover too weak. 205 trivial. 0 not checked. [2019-12-01 18:09:09,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 18:09:09,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2605 states to 2133 states and 2605 transitions. [2019-12-01 18:09:09,430 INFO L276 IsEmpty]: Start isEmpty. Operand 2133 states and 2605 transitions. [2019-12-01 18:09:09,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 291 [2019-12-01 18:09:09,431 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 18:09:09,449 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 18:09:09,534 INFO L134 CoverageAnalysis]: Checked inductivity of 529 backedges. 393 proven. 4 refuted. 0 times theorem prover too weak. 132 trivial. 0 not checked. [2019-12-01 18:09:14,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 18:09:14,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2632 states to 2152 states and 2632 transitions. [2019-12-01 18:09:14,386 INFO L276 IsEmpty]: Start isEmpty. Operand 2152 states and 2632 transitions. [2019-12-01 18:09:14,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 292 [2019-12-01 18:09:14,388 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 18:09:14,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 18:09:14,487 INFO L134 CoverageAnalysis]: Checked inductivity of 460 backedges. 295 proven. 0 refuted. 0 times theorem prover too weak. 165 trivial. 0 not checked. [2019-12-01 18:09:16,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 18:09:16,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2667 states to 2182 states and 2667 transitions. [2019-12-01 18:09:16,553 INFO L276 IsEmpty]: Start isEmpty. Operand 2182 states and 2667 transitions. [2019-12-01 18:09:16,554 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 292 [2019-12-01 18:09:16,554 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 18:09:16,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 18:09:16,690 INFO L134 CoverageAnalysis]: Checked inductivity of 460 backedges. 295 proven. 0 refuted. 0 times theorem prover too weak. 165 trivial. 0 not checked. [2019-12-01 18:09:17,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 18:09:17,224 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2671 states to 2186 states and 2671 transitions. [2019-12-01 18:09:17,225 INFO L276 IsEmpty]: Start isEmpty. Operand 2186 states and 2671 transitions. [2019-12-01 18:09:17,226 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 292 [2019-12-01 18:09:17,226 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 18:09:17,244 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 18:09:17,320 INFO L134 CoverageAnalysis]: Checked inductivity of 460 backedges. 295 proven. 0 refuted. 0 times theorem prover too weak. 165 trivial. 0 not checked. [2019-12-01 18:09:18,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 18:09:18,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2676 states to 2190 states and 2676 transitions. [2019-12-01 18:09:18,010 INFO L276 IsEmpty]: Start isEmpty. Operand 2190 states and 2676 transitions. [2019-12-01 18:09:18,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 293 [2019-12-01 18:09:18,011 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 18:09:18,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 18:09:18,094 INFO L134 CoverageAnalysis]: Checked inductivity of 537 backedges. 320 proven. 0 refuted. 0 times theorem prover too weak. 217 trivial. 0 not checked. [2019-12-01 18:09:18,920 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 18:09:18,921 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2689 states to 2200 states and 2689 transitions. [2019-12-01 18:09:18,921 INFO L276 IsEmpty]: Start isEmpty. Operand 2200 states and 2689 transitions. [2019-12-01 18:09:18,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 293 [2019-12-01 18:09:18,922 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 18:09:18,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 18:09:19,003 INFO L134 CoverageAnalysis]: Checked inductivity of 537 backedges. 320 proven. 0 refuted. 0 times theorem prover too weak. 217 trivial. 0 not checked. [2019-12-01 18:09:19,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 18:09:19,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2697 states to 2210 states and 2697 transitions. [2019-12-01 18:09:19,348 INFO L276 IsEmpty]: Start isEmpty. Operand 2210 states and 2697 transitions. [2019-12-01 18:09:19,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 296 [2019-12-01 18:09:19,349 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 18:09:19,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 18:09:21,343 WARN L192 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 33 [2019-12-01 18:09:23,355 INFO L134 CoverageAnalysis]: Checked inductivity of 523 backedges. 395 proven. 0 refuted. 0 times theorem prover too weak. 128 trivial. 0 not checked. [2019-12-01 18:09:27,180 WARN L192 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 37 [2019-12-01 18:09:32,693 WARN L192 SmtUtils]: Spent 250.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 42 [2019-12-01 18:09:34,028 WARN L192 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 40 [2019-12-01 18:09:35,362 WARN L192 SmtUtils]: Spent 117.00 ms on a formula simplification that was a NOOP. DAG size: 41 [2019-12-01 18:09:37,855 WARN L192 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 37 [2019-12-01 18:09:39,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 18:09:39,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2738 states to 2244 states and 2738 transitions. [2019-12-01 18:09:39,558 INFO L276 IsEmpty]: Start isEmpty. Operand 2244 states and 2738 transitions. [2019-12-01 18:09:39,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 296 [2019-12-01 18:09:39,559 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 18:09:39,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 18:09:39,802 INFO L134 CoverageAnalysis]: Checked inductivity of 523 backedges. 395 proven. 0 refuted. 0 times theorem prover too weak. 128 trivial. 0 not checked. [2019-12-01 18:09:41,421 WARN L192 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 43 [2019-12-01 18:09:43,081 WARN L192 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 32 [2019-12-01 18:09:43,465 WARN L192 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 43 [2019-12-01 18:09:46,757 WARN L192 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 41 [2019-12-01 18:09:46,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 18:09:46,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2756 states to 2261 states and 2756 transitions. [2019-12-01 18:09:46,855 INFO L276 IsEmpty]: Start isEmpty. Operand 2261 states and 2756 transitions. [2019-12-01 18:09:46,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 296 [2019-12-01 18:09:46,857 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 18:09:46,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 18:09:47,098 INFO L134 CoverageAnalysis]: Checked inductivity of 523 backedges. 395 proven. 0 refuted. 0 times theorem prover too weak. 128 trivial. 0 not checked. [2019-12-01 18:09:49,187 WARN L192 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 36 [2019-12-01 18:09:50,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 18:09:50,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2764 states to 2270 states and 2764 transitions. [2019-12-01 18:09:50,554 INFO L276 IsEmpty]: Start isEmpty. Operand 2270 states and 2764 transitions. [2019-12-01 18:09:50,555 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 299 [2019-12-01 18:09:50,555 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 18:09:50,569 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 18:09:52,095 WARN L192 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 33 [2019-12-01 18:09:54,133 INFO L134 CoverageAnalysis]: Checked inductivity of 535 backedges. 395 proven. 0 refuted. 0 times theorem prover too weak. 140 trivial. 0 not checked. [2019-12-01 18:10:03,392 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 18:10:03,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2784 states to 2288 states and 2784 transitions. [2019-12-01 18:10:03,394 INFO L276 IsEmpty]: Start isEmpty. Operand 2288 states and 2784 transitions. [2019-12-01 18:10:03,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 299 [2019-12-01 18:10:03,396 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 18:10:03,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 18:10:03,618 INFO L134 CoverageAnalysis]: Checked inductivity of 535 backedges. 395 proven. 0 refuted. 0 times theorem prover too weak. 140 trivial. 0 not checked. [2019-12-01 18:10:05,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 18:10:05,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2792 states to 2294 states and 2792 transitions. [2019-12-01 18:10:05,087 INFO L276 IsEmpty]: Start isEmpty. Operand 2294 states and 2792 transitions. [2019-12-01 18:10:05,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 299 [2019-12-01 18:10:05,088 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 18:10:05,101 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 18:10:05,307 INFO L134 CoverageAnalysis]: Checked inductivity of 535 backedges. 395 proven. 0 refuted. 0 times theorem prover too weak. 140 trivial. 0 not checked. [2019-12-01 18:10:06,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 18:10:06,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2803 states to 2305 states and 2803 transitions. [2019-12-01 18:10:06,514 INFO L276 IsEmpty]: Start isEmpty. Operand 2305 states and 2803 transitions. [2019-12-01 18:10:06,516 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 302 [2019-12-01 18:10:06,516 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 18:10:06,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 18:10:09,021 INFO L134 CoverageAnalysis]: Checked inductivity of 545 backedges. 405 proven. 0 refuted. 0 times theorem prover too weak. 140 trivial. 0 not checked. [2019-12-01 18:10:14,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 18:10:14,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2810 states to 2309 states and 2810 transitions. [2019-12-01 18:10:14,917 INFO L276 IsEmpty]: Start isEmpty. Operand 2309 states and 2810 transitions. [2019-12-01 18:10:14,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 302 [2019-12-01 18:10:14,918 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 18:10:14,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 18:10:15,831 INFO L134 CoverageAnalysis]: Checked inductivity of 545 backedges. 405 proven. 0 refuted. 0 times theorem prover too weak. 140 trivial. 0 not checked. [2019-12-01 18:10:17,362 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 18:10:17,363 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2820 states to 2320 states and 2820 transitions. [2019-12-01 18:10:17,363 INFO L276 IsEmpty]: Start isEmpty. Operand 2320 states and 2820 transitions. [2019-12-01 18:10:17,364 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 302 [2019-12-01 18:10:17,364 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 18:10:17,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 18:10:17,459 INFO L134 CoverageAnalysis]: Checked inductivity of 572 backedges. 401 proven. 0 refuted. 0 times theorem prover too weak. 171 trivial. 0 not checked. [2019-12-01 18:10:18,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 18:10:18,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2830 states to 2324 states and 2830 transitions. [2019-12-01 18:10:18,244 INFO L276 IsEmpty]: Start isEmpty. Operand 2324 states and 2830 transitions. [2019-12-01 18:10:18,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 305 [2019-12-01 18:10:18,245 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 18:10:18,259 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 18:10:18,696 INFO L134 CoverageAnalysis]: Checked inductivity of 550 backedges. 405 proven. 0 refuted. 0 times theorem prover too weak. 145 trivial. 0 not checked. [2019-12-01 18:10:21,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 18:10:21,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2856 states to 2350 states and 2856 transitions. [2019-12-01 18:10:21,711 INFO L276 IsEmpty]: Start isEmpty. Operand 2350 states and 2856 transitions. [2019-12-01 18:10:21,712 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 305 [2019-12-01 18:10:21,712 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 18:10:21,731 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 18:10:21,811 INFO L134 CoverageAnalysis]: Checked inductivity of 506 backedges. 324 proven. 0 refuted. 0 times theorem prover too weak. 182 trivial. 0 not checked. [2019-12-01 18:10:21,881 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 18:10:21,882 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2857 states to 2353 states and 2857 transitions. [2019-12-01 18:10:21,882 INFO L276 IsEmpty]: Start isEmpty. Operand 2353 states and 2857 transitions. [2019-12-01 18:10:21,883 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 305 [2019-12-01 18:10:21,883 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 18:10:21,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 18:10:21,980 INFO L134 CoverageAnalysis]: Checked inductivity of 506 backedges. 324 proven. 0 refuted. 0 times theorem prover too weak. 182 trivial. 0 not checked. [2019-12-01 18:10:23,669 WARN L192 SmtUtils]: Spent 106.00 ms on a formula simplification that was a NOOP. DAG size: 39 [2019-12-01 18:10:24,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 18:10:24,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2862 states to 2358 states and 2862 transitions. [2019-12-01 18:10:24,917 INFO L276 IsEmpty]: Start isEmpty. Operand 2358 states and 2862 transitions. [2019-12-01 18:10:24,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 305 [2019-12-01 18:10:24,918 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 18:10:24,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 18:10:25,017 INFO L134 CoverageAnalysis]: Checked inductivity of 506 backedges. 324 proven. 0 refuted. 0 times theorem prover too weak. 182 trivial. 0 not checked. [2019-12-01 18:10:25,856 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 18:10:25,857 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2862 states to 2359 states and 2862 transitions. [2019-12-01 18:10:25,857 INFO L276 IsEmpty]: Start isEmpty. Operand 2359 states and 2862 transitions. [2019-12-01 18:10:25,859 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 305 [2019-12-01 18:10:25,859 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 18:10:25,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 18:10:25,956 INFO L134 CoverageAnalysis]: Checked inductivity of 506 backedges. 324 proven. 0 refuted. 0 times theorem prover too weak. 182 trivial. 0 not checked. [2019-12-01 18:10:26,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 18:10:26,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2862 states to 2360 states and 2862 transitions. [2019-12-01 18:10:26,459 INFO L276 IsEmpty]: Start isEmpty. Operand 2360 states and 2862 transitions. [2019-12-01 18:10:26,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 306 [2019-12-01 18:10:26,461 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 18:10:26,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 18:10:27,050 INFO L134 CoverageAnalysis]: Checked inductivity of 596 backedges. 373 proven. 0 refuted. 0 times theorem prover too weak. 223 trivial. 0 not checked. [2019-12-01 18:10:28,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 18:10:28,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2874 states to 2366 states and 2874 transitions. [2019-12-01 18:10:28,686 INFO L276 IsEmpty]: Start isEmpty. Operand 2366 states and 2874 transitions. [2019-12-01 18:10:28,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 307 [2019-12-01 18:10:28,688 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 18:10:28,701 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 18:10:31,479 WARN L192 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 31 DAG size of output: 27 [2019-12-01 18:10:33,304 INFO L134 CoverageAnalysis]: Checked inductivity of 745 backedges. 529 proven. 39 refuted. 0 times theorem prover too weak. 177 trivial. 0 not checked. [2019-12-01 18:10:39,267 WARN L192 SmtUtils]: Spent 290.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 36 [2019-12-01 18:10:39,643 WARN L192 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 29 [2019-12-01 18:10:44,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 18:10:44,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2909 states to 2396 states and 2909 transitions. [2019-12-01 18:10:44,714 INFO L276 IsEmpty]: Start isEmpty. Operand 2396 states and 2909 transitions. [2019-12-01 18:10:44,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 308 [2019-12-01 18:10:44,716 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 18:10:44,733 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 18:10:44,981 INFO L134 CoverageAnalysis]: Checked inductivity of 562 backedges. 372 proven. 0 refuted. 0 times theorem prover too weak. 190 trivial. 0 not checked. [2019-12-01 18:10:45,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 18:10:45,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2914 states to 2401 states and 2914 transitions. [2019-12-01 18:10:45,778 INFO L276 IsEmpty]: Start isEmpty. Operand 2401 states and 2914 transitions. [2019-12-01 18:10:45,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 310 [2019-12-01 18:10:45,780 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 18:10:45,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 18:10:45,893 INFO L134 CoverageAnalysis]: Checked inductivity of 627 backedges. 433 proven. 0 refuted. 0 times theorem prover too weak. 194 trivial. 0 not checked. [2019-12-01 18:10:49,524 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 18:10:49,526 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2924 states to 2409 states and 2924 transitions. [2019-12-01 18:10:49,526 INFO L276 IsEmpty]: Start isEmpty. Operand 2409 states and 2924 transitions. [2019-12-01 18:10:49,528 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 311 [2019-12-01 18:10:49,528 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 18:10:49,548 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 18:10:49,646 INFO L134 CoverageAnalysis]: Checked inductivity of 609 backedges. 359 proven. 101 refuted. 0 times theorem prover too weak. 149 trivial. 0 not checked. [2019-12-01 18:10:57,929 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 18:10:57,930 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2960 states to 2436 states and 2960 transitions. [2019-12-01 18:10:57,930 INFO L276 IsEmpty]: Start isEmpty. Operand 2436 states and 2960 transitions. [2019-12-01 18:10:57,932 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 311 [2019-12-01 18:10:57,932 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 18:10:57,950 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 18:10:58,046 INFO L134 CoverageAnalysis]: Checked inductivity of 609 backedges. 359 proven. 101 refuted. 0 times theorem prover too weak. 149 trivial. 0 not checked. [2019-12-01 18:11:00,952 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 18:11:00,953 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2986 states to 2456 states and 2986 transitions. [2019-12-01 18:11:00,953 INFO L276 IsEmpty]: Start isEmpty. Operand 2456 states and 2986 transitions. [2019-12-01 18:11:00,954 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 311 [2019-12-01 18:11:00,954 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 18:11:00,972 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 18:11:01,072 INFO L134 CoverageAnalysis]: Checked inductivity of 609 backedges. 359 proven. 101 refuted. 0 times theorem prover too weak. 149 trivial. 0 not checked. [2019-12-01 18:11:02,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 18:11:02,894 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2993 states to 2464 states and 2993 transitions. [2019-12-01 18:11:02,894 INFO L276 IsEmpty]: Start isEmpty. Operand 2464 states and 2993 transitions. [2019-12-01 18:11:02,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 311 [2019-12-01 18:11:02,896 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 18:11:02,916 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 18:11:03,014 INFO L134 CoverageAnalysis]: Checked inductivity of 609 backedges. 359 proven. 101 refuted. 0 times theorem prover too weak. 149 trivial. 0 not checked. [2019-12-01 18:11:03,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 18:11:03,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3001 states to 2473 states and 3001 transitions. [2019-12-01 18:11:03,947 INFO L276 IsEmpty]: Start isEmpty. Operand 2473 states and 3001 transitions. [2019-12-01 18:11:03,948 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 312 [2019-12-01 18:11:03,948 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 18:11:03,966 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 18:11:04,024 INFO L134 CoverageAnalysis]: Checked inductivity of 635 backedges. 441 proven. 0 refuted. 0 times theorem prover too weak. 194 trivial. 0 not checked. [2019-12-01 18:11:04,396 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 18:11:04,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3008 states to 2481 states and 3008 transitions. [2019-12-01 18:11:04,397 INFO L276 IsEmpty]: Start isEmpty. Operand 2481 states and 3008 transitions. [2019-12-01 18:11:04,398 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 312 [2019-12-01 18:11:04,398 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 18:11:04,416 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 18:11:04,474 INFO L134 CoverageAnalysis]: Checked inductivity of 635 backedges. 441 proven. 0 refuted. 0 times theorem prover too weak. 194 trivial. 0 not checked. [2019-12-01 18:11:04,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 18:11:04,842 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3009 states to 2483 states and 3009 transitions. [2019-12-01 18:11:04,842 INFO L276 IsEmpty]: Start isEmpty. Operand 2483 states and 3009 transitions. [2019-12-01 18:11:04,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 313 [2019-12-01 18:11:04,844 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 18:11:04,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 18:11:05,638 INFO L134 CoverageAnalysis]: Checked inductivity of 646 backedges. 380 proven. 167 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2019-12-01 18:11:13,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 18:11:13,960 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3057 states to 2520 states and 3057 transitions. [2019-12-01 18:11:13,960 INFO L276 IsEmpty]: Start isEmpty. Operand 2520 states and 3057 transitions. [2019-12-01 18:11:13,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 313 [2019-12-01 18:11:13,963 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 18:11:13,984 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 18:11:14,238 INFO L134 CoverageAnalysis]: Checked inductivity of 646 backedges. 380 proven. 167 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2019-12-01 18:11:15,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 18:11:15,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3064 states to 2528 states and 3064 transitions. [2019-12-01 18:11:15,653 INFO L276 IsEmpty]: Start isEmpty. Operand 2528 states and 3064 transitions. [2019-12-01 18:11:15,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 314 [2019-12-01 18:11:15,655 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 18:11:15,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 18:11:15,786 INFO L134 CoverageAnalysis]: Checked inductivity of 619 backedges. 371 proven. 0 refuted. 0 times theorem prover too weak. 248 trivial. 0 not checked. [2019-12-01 18:11:20,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 18:11:20,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3086 states to 2549 states and 3086 transitions. [2019-12-01 18:11:20,986 INFO L276 IsEmpty]: Start isEmpty. Operand 2549 states and 3086 transitions. [2019-12-01 18:11:20,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 314 [2019-12-01 18:11:20,988 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 18:11:21,006 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 18:11:21,115 INFO L134 CoverageAnalysis]: Checked inductivity of 619 backedges. 371 proven. 0 refuted. 0 times theorem prover too weak. 248 trivial. 0 not checked. [2019-12-01 18:11:22,327 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 18:11:22,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3091 states to 2555 states and 3091 transitions. [2019-12-01 18:11:22,328 INFO L276 IsEmpty]: Start isEmpty. Operand 2555 states and 3091 transitions. [2019-12-01 18:11:22,329 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 314 [2019-12-01 18:11:22,329 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 18:11:22,347 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 18:11:22,457 INFO L134 CoverageAnalysis]: Checked inductivity of 619 backedges. 371 proven. 0 refuted. 0 times theorem prover too weak. 248 trivial. 0 not checked. [2019-12-01 18:11:23,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 18:11:23,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3094 states to 2559 states and 3094 transitions. [2019-12-01 18:11:23,229 INFO L276 IsEmpty]: Start isEmpty. Operand 2559 states and 3094 transitions. [2019-12-01 18:11:23,231 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 314 [2019-12-01 18:11:23,231 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 18:11:23,249 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 18:11:23,358 INFO L134 CoverageAnalysis]: Checked inductivity of 619 backedges. 371 proven. 0 refuted. 0 times theorem prover too weak. 248 trivial. 0 not checked. [2019-12-01 18:11:23,743 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 18:11:23,744 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3094 states to 2560 states and 3094 transitions. [2019-12-01 18:11:23,744 INFO L276 IsEmpty]: Start isEmpty. Operand 2560 states and 3094 transitions. [2019-12-01 18:11:23,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 315 [2019-12-01 18:11:23,745 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 18:11:23,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 18:11:23,909 INFO L134 CoverageAnalysis]: Checked inductivity of 654 backedges. 421 proven. 114 refuted. 0 times theorem prover too weak. 119 trivial. 0 not checked. [2019-12-01 18:11:30,283 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 18:11:30,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3109 states to 2572 states and 3109 transitions. [2019-12-01 18:11:30,285 INFO L276 IsEmpty]: Start isEmpty. Operand 2572 states and 3109 transitions. [2019-12-01 18:11:30,287 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 315 [2019-12-01 18:11:30,287 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 18:11:30,309 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 18:11:30,455 INFO L134 CoverageAnalysis]: Checked inductivity of 654 backedges. 421 proven. 114 refuted. 0 times theorem prover too weak. 119 trivial. 0 not checked. [2019-12-01 18:11:32,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 18:11:32,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3117 states to 2578 states and 3117 transitions. [2019-12-01 18:11:32,319 INFO L276 IsEmpty]: Start isEmpty. Operand 2578 states and 3117 transitions. [2019-12-01 18:11:32,322 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 315 [2019-12-01 18:11:32,322 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 18:11:32,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 18:11:32,532 INFO L134 CoverageAnalysis]: Checked inductivity of 654 backedges. 421 proven. 114 refuted. 0 times theorem prover too weak. 119 trivial. 0 not checked. [2019-12-01 18:11:35,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 18:11:35,705 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3121 states to 2582 states and 3121 transitions. [2019-12-01 18:11:35,705 INFO L276 IsEmpty]: Start isEmpty. Operand 2582 states and 3121 transitions. [2019-12-01 18:11:35,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 319 [2019-12-01 18:11:35,707 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 18:11:35,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 18:11:35,814 INFO L134 CoverageAnalysis]: Checked inductivity of 586 backedges. 367 proven. 0 refuted. 0 times theorem prover too weak. 219 trivial. 0 not checked. [2019-12-01 18:11:36,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 18:11:36,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3126 states to 2588 states and 3126 transitions. [2019-12-01 18:11:36,488 INFO L276 IsEmpty]: Start isEmpty. Operand 2588 states and 3126 transitions. [2019-12-01 18:11:36,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 323 [2019-12-01 18:11:36,490 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 18:11:36,509 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 18:11:36,598 INFO L134 CoverageAnalysis]: Checked inductivity of 666 backedges. 357 proven. 0 refuted. 0 times theorem prover too weak. 309 trivial. 0 not checked. [2019-12-01 18:11:40,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 18:11:40,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3167 states to 2629 states and 3167 transitions. [2019-12-01 18:11:40,871 INFO L276 IsEmpty]: Start isEmpty. Operand 2629 states and 3167 transitions. [2019-12-01 18:11:40,872 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 325 [2019-12-01 18:11:40,872 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 18:11:40,890 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 18:11:43,932 INFO L134 CoverageAnalysis]: Checked inductivity of 692 backedges. 469 proven. 42 refuted. 0 times theorem prover too weak. 181 trivial. 0 not checked. [2019-12-01 18:11:56,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 18:11:56,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3240 states to 2691 states and 3240 transitions. [2019-12-01 18:11:56,621 INFO L276 IsEmpty]: Start isEmpty. Operand 2691 states and 3240 transitions. [2019-12-01 18:11:56,623 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 328 [2019-12-01 18:11:56,623 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 18:11:56,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 18:11:56,942 INFO L134 CoverageAnalysis]: Checked inductivity of 642 backedges. 412 proven. 0 refuted. 0 times theorem prover too weak. 230 trivial. 0 not checked. [2019-12-01 18:11:57,638 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 18:11:57,639 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3249 states to 2701 states and 3249 transitions. [2019-12-01 18:11:57,639 INFO L276 IsEmpty]: Start isEmpty. Operand 2701 states and 3249 transitions. [2019-12-01 18:11:57,641 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 330 [2019-12-01 18:11:57,641 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 18:11:57,659 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 18:11:57,813 INFO L134 CoverageAnalysis]: Checked inductivity of 707 backedges. 463 proven. 128 refuted. 0 times theorem prover too weak. 116 trivial. 0 not checked. [2019-12-01 18:12:03,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 18:12:03,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3266 states to 2718 states and 3266 transitions. [2019-12-01 18:12:03,261 INFO L276 IsEmpty]: Start isEmpty. Operand 2718 states and 3266 transitions. [2019-12-01 18:12:03,263 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 333 [2019-12-01 18:12:03,264 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 18:12:03,283 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 18:12:03,391 INFO L134 CoverageAnalysis]: Checked inductivity of 718 backedges. 524 proven. 0 refuted. 0 times theorem prover too weak. 194 trivial. 0 not checked. [2019-12-01 18:12:05,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 18:12:05,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3271 states to 2724 states and 3271 transitions. [2019-12-01 18:12:05,665 INFO L276 IsEmpty]: Start isEmpty. Operand 2724 states and 3271 transitions. [2019-12-01 18:12:05,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 333 [2019-12-01 18:12:05,666 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-12-01 18:12:05,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-12-01 18:12:11,703 INFO L134 CoverageAnalysis]: Checked inductivity of 726 backedges. 611 proven. 0 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2019-12-01 18:12:43,262 WARN L192 SmtUtils]: Spent 167.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 33 [2019-12-01 18:12:46,394 WARN L192 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 28 DAG size of output: 28 [2019-12-01 18:12:49,593 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-12-01 18:12:49,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3284 states to 2713 states and 3284 transitions. [2019-12-01 18:12:49,594 INFO L276 IsEmpty]: Start isEmpty. Operand 2713 states and 3284 transitions. [2019-12-01 18:12:49,595 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-12-01 18:12:49,595 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 203 iterations. [2019-12-01 18:12:49,601 INFO L765 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2019-12-01 18:12:49,735 WARN L192 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 29 [2019-12-01 18:12:49,864 WARN L192 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 29 [2019-12-01 18:12:50,095 WARN L192 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 36 [2019-12-01 18:12:50,227 WARN L192 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 29 [2019-12-01 18:12:50,389 WARN L192 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 34 [2019-12-01 18:12:50,579 WARN L192 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 33 [2019-12-01 18:12:50,759 WARN L192 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 24 [2019-12-01 18:12:50,985 WARN L192 SmtUtils]: Spent 225.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 36 [2019-12-01 18:12:51,220 WARN L192 SmtUtils]: Spent 234.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 36 [2019-12-01 18:12:51,451 WARN L192 SmtUtils]: Spent 153.00 ms on a formula simplification. DAG size of input: 123 DAG size of output: 24 [2019-12-01 18:12:51,621 WARN L192 SmtUtils]: Spent 169.00 ms on a formula simplification. DAG size of input: 119 DAG size of output: 33 [2019-12-01 18:12:51,867 WARN L192 SmtUtils]: Spent 245.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 36 [2019-12-01 18:12:52,132 WARN L192 SmtUtils]: Spent 219.00 ms on a formula simplification. DAG size of input: 159 DAG size of output: 36 [2019-12-01 18:12:52,350 WARN L192 SmtUtils]: Spent 216.00 ms on a formula simplification. DAG size of input: 157 DAG size of output: 36 [2019-12-01 18:12:52,563 WARN L192 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 31 [2019-12-01 18:12:52,894 WARN L192 SmtUtils]: Spent 232.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 36 [2019-12-01 18:12:53,023 WARN L192 SmtUtils]: Spent 128.00 ms on a formula simplification. DAG size of input: 113 DAG size of output: 29 [2019-12-01 18:12:53,185 WARN L192 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 34 [2019-12-01 18:12:53,318 WARN L192 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 33 [2019-12-01 18:12:53,513 WARN L192 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 115 DAG size of output: 29 [2019-12-01 18:12:53,656 WARN L192 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 100 DAG size of output: 27 [2019-12-01 18:12:53,939 WARN L192 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 29 [2019-12-01 18:12:54,080 WARN L192 SmtUtils]: Spent 101.00 ms on a formula simplification. DAG size of input: 99 DAG size of output: 29 [2019-12-01 18:12:54,435 WARN L192 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 33 [2019-12-01 18:12:54,718 WARN L192 SmtUtils]: Spent 240.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 36 [2019-12-01 18:12:54,997 WARN L192 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 120 DAG size of output: 33 [2019-12-01 18:12:55,178 WARN L192 SmtUtils]: Spent 145.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 33 [2019-12-01 18:12:55,312 WARN L192 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 121 DAG size of output: 33 [2019-12-01 18:12:55,555 WARN L192 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 122 DAG size of output: 29 [2019-12-01 18:12:55,749 WARN L192 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 129 DAG size of output: 24 [2019-12-01 18:12:55,953 WARN L192 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 29 [2019-12-01 18:12:56,150 WARN L192 SmtUtils]: Spent 117.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 29 [2019-12-01 18:12:56,318 WARN L192 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 29 [2019-12-01 18:12:56,542 WARN L192 SmtUtils]: Spent 222.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 36 [2019-12-01 18:12:56,891 WARN L192 SmtUtils]: Spent 348.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 56 [2019-12-01 18:12:57,091 WARN L192 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 110 DAG size of output: 29 [2019-12-01 18:12:57,211 WARN L192 SmtUtils]: Spent 119.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 29 [2019-12-01 18:12:57,438 WARN L192 SmtUtils]: Spent 227.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 34 [2019-12-01 18:12:57,644 WARN L192 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 34 [2019-12-01 18:12:57,806 WARN L192 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 34 [2019-12-01 18:12:57,927 WARN L192 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 118 DAG size of output: 33 [2019-12-01 18:12:58,207 WARN L192 SmtUtils]: Spent 280.00 ms on a formula simplification. DAG size of input: 153 DAG size of output: 36 [2019-12-01 18:12:58,208 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-12-01 18:12:58,211 INFO L569 CodeCheckObserver]: Invariant with dag size 24 [2019-12-01 18:12:58,216 INFO L569 CodeCheckObserver]: Invariant with dag size 24 [2019-12-01 18:12:58,217 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 01.12 06:12:58 ImpRootNode [2019-12-01 18:12:58,217 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2019-12-01 18:12:58,217 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-12-01 18:12:58,217 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-12-01 18:12:58,217 INFO L275 PluginConnector]: Witness Printer initialized [2019-12-01 18:12:58,217 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 01.12 06:05:18" (3/4) ... [2019-12-01 18:12:58,219 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-12-01 18:12:58,233 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 99 nodes and edges [2019-12-01 18:12:58,235 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 18 nodes and edges [2019-12-01 18:12:58,236 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2019-12-01 18:12:58,237 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2019-12-01 18:12:58,324 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_bdb3c068-ea4c-49e6-b971-8b9a33ec811e/bin/ukojak/witness.graphml [2019-12-01 18:12:58,324 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-12-01 18:12:58,325 INFO L168 Benchmark]: Toolchain (without parser) took 461154.47 ms. Allocated memory was 1.0 GB in the beginning and 1.8 GB in the end (delta: 758.1 MB). Free memory was 935.5 MB in the beginning and 1.2 GB in the end (delta: -238.5 MB). Peak memory consumption was 519.6 MB. Max. memory is 11.5 GB. [2019-12-01 18:12:58,325 INFO L168 Benchmark]: CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 955.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-01 18:12:58,325 INFO L168 Benchmark]: CACSL2BoogieTranslator took 338.33 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 101.7 MB). Free memory was 935.5 MB in the beginning and 1.1 GB in the end (delta: -141.9 MB). Peak memory consumption was 18.4 MB. Max. memory is 11.5 GB. [2019-12-01 18:12:58,325 INFO L168 Benchmark]: Boogie Procedure Inliner took 50.19 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. [2019-12-01 18:12:58,325 INFO L168 Benchmark]: Boogie Preprocessor took 38.93 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-12-01 18:12:58,326 INFO L168 Benchmark]: RCFGBuilder took 1098.55 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 859.5 MB in the end (delta: 207.2 MB). Peak memory consumption was 207.2 MB. Max. memory is 11.5 GB. [2019-12-01 18:12:58,326 INFO L168 Benchmark]: CodeCheck took 459518.85 ms. Allocated memory was 1.1 GB in the beginning and 1.8 GB in the end (delta: 656.4 MB). Free memory was 859.5 MB in the beginning and 1.2 GB in the end (delta: -337.5 MB). Peak memory consumption was 1.2 GB. Max. memory is 11.5 GB. [2019-12-01 18:12:58,326 INFO L168 Benchmark]: Witness Printer took 106.81 ms. Allocated memory is still 1.8 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 22.9 MB). Peak memory consumption was 22.9 MB. Max. memory is 11.5 GB. [2019-12-01 18:12:58,327 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: 450.8s, OverallIterations: 203, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 218234960 SDtfs, -718753690 SDslu, 1309409756 SDs, 0 SdLazy, -1682035322 SolverSat, 1192431256 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 1264.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 254622 GetRequests, 248205 SyntacticMatches, 4383 SemanticMatches, 2034 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2972226 ImplicationChecksByTransitivity, 411.9s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 1.0s SsaConstructionTime, 1.3s SatisfiabilityAnalysisTime, 44.1s InterpolantComputationTime, 38134 NumberOfCodeBlocks, 38134 NumberOfCodeBlocksAsserted, 202 NumberOfCheckSat, 37932 ConstructedInterpolants, 0 QuantifiedInterpolants, 31731588 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 202 InterpolantComputations, 175 PerfectInterpolantSequences, 47522/49209 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: 506]: 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: (((((!(a21 == 1) && 13 == a8) && a12 == 8) && a17 <= 0) && a20 == 1) || !(a16 == 6)) || !(1 == a7) - InvariantResult [Line: 583]: Loop Invariant Derived loop invariant: (((((!(a21 == 1) && 13 == a8) && a12 == 8) && a17 <= 0) && a20 == 1) || !(a16 == 6)) || !(1 == a7) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.14 ms. Allocated memory is still 1.0 GB. Free memory is still 955.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 338.33 ms. Allocated memory was 1.0 GB in the beginning and 1.1 GB in the end (delta: 101.7 MB). Free memory was 935.5 MB in the beginning and 1.1 GB in the end (delta: -141.9 MB). Peak memory consumption was 18.4 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 50.19 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 10.7 MB). Peak memory consumption was 10.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 38.93 ms. Allocated memory is still 1.1 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 1098.55 ms. Allocated memory is still 1.1 GB. Free memory was 1.1 GB in the beginning and 859.5 MB in the end (delta: 207.2 MB). Peak memory consumption was 207.2 MB. Max. memory is 11.5 GB. * CodeCheck took 459518.85 ms. Allocated memory was 1.1 GB in the beginning and 1.8 GB in the end (delta: 656.4 MB). Free memory was 859.5 MB in the beginning and 1.2 GB in the end (delta: -337.5 MB). Peak memory consumption was 1.2 GB. Max. memory is 11.5 GB. * Witness Printer took 106.81 ms. Allocated memory is still 1.8 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 22.9 MB). Peak memory consumption was 22.9 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...