./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem02_label28.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 678e0110 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/run_dir_2095bc15-a1ee-44da-8834-b2616f01e752/bin/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_2095bc15-a1ee-44da-8834-b2616f01e752/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_2095bc15-a1ee-44da-8834-b2616f01e752/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_2095bc15-a1ee-44da-8834-b2616f01e752/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem02_label28.c -s /tmp/vcloud-vcloud-master/worker/run_dir_2095bc15-a1ee-44da-8834-b2616f01e752/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_2095bc15-a1ee-44da-8834-b2616f01e752/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 f8826e63977e5204bfb153113fa32b1df4948bea .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-678e011 [2019-11-19 23:51:54,597 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-19 23:51:54,599 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-19 23:51:54,614 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-19 23:51:54,614 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-19 23:51:54,615 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-19 23:51:54,617 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-19 23:51:54,626 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-19 23:51:54,631 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-19 23:51:54,635 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-19 23:51:54,636 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-19 23:51:54,637 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-19 23:51:54,637 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-19 23:51:54,639 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-19 23:51:54,640 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-19 23:51:54,641 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-19 23:51:54,642 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-19 23:51:54,643 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-19 23:51:54,646 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-19 23:51:54,649 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-19 23:51:54,653 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-19 23:51:54,655 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-19 23:51:54,658 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-19 23:51:54,659 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-19 23:51:54,661 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-19 23:51:54,661 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-19 23:51:54,662 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-19 23:51:54,663 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-19 23:51:54,663 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-19 23:51:54,664 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-19 23:51:54,664 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-19 23:51:54,665 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-19 23:51:54,666 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-19 23:51:54,666 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-19 23:51:54,667 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-19 23:51:54,667 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-19 23:51:54,668 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-19 23:51:54,668 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-19 23:51:54,668 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-19 23:51:54,669 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-19 23:51:54,670 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-19 23:51:54,671 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_2095bc15-a1ee-44da-8834-b2616f01e752/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2019-11-19 23:51:54,696 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-19 23:51:54,706 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-19 23:51:54,707 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-19 23:51:54,707 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2019-11-19 23:51:54,707 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-19 23:51:54,708 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-19 23:51:54,708 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-19 23:51:54,708 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-19 23:51:54,708 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-19 23:51:54,708 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-19 23:51:54,709 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-19 23:51:54,709 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-19 23:51:54,709 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-19 23:51:54,709 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-19 23:51:54,709 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-19 23:51:54,710 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-19 23:51:54,710 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-19 23:51:54,710 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-19 23:51:54,710 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2019-11-19 23:51:54,711 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2019-11-19 23:51:54,711 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-19 23:51:54,711 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-19 23:51:54,711 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2019-11-19 23:51:54,712 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-19 23:51:54,713 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-19 23:51:54,713 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-19 23:51:54,713 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2019-11-19 23:51:54,713 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-19 23:51:54,714 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-19 23:51:54,714 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_2095bc15-a1ee-44da-8834-b2616f01e752/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 -> f8826e63977e5204bfb153113fa32b1df4948bea [2019-11-19 23:51:54,883 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-19 23:51:54,897 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-19 23:51:54,900 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-19 23:51:54,901 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-19 23:51:54,902 INFO L275 PluginConnector]: CDTParser initialized [2019-11-19 23:51:54,903 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_2095bc15-a1ee-44da-8834-b2616f01e752/bin/ukojak/../../sv-benchmarks/c/eca-rers2012/Problem02_label28.c [2019-11-19 23:51:54,958 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_2095bc15-a1ee-44da-8834-b2616f01e752/bin/ukojak/data/2bec93e89/f6af35f019d641ed89a7ea0ef60da9d7/FLAG9a8183cc3 [2019-11-19 23:51:55,460 INFO L306 CDTParser]: Found 1 translation units. [2019-11-19 23:51:55,462 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_2095bc15-a1ee-44da-8834-b2616f01e752/sv-benchmarks/c/eca-rers2012/Problem02_label28.c [2019-11-19 23:51:55,472 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_2095bc15-a1ee-44da-8834-b2616f01e752/bin/ukojak/data/2bec93e89/f6af35f019d641ed89a7ea0ef60da9d7/FLAG9a8183cc3 [2019-11-19 23:51:55,737 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_2095bc15-a1ee-44da-8834-b2616f01e752/bin/ukojak/data/2bec93e89/f6af35f019d641ed89a7ea0ef60da9d7 [2019-11-19 23:51:55,742 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-19 23:51:55,743 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-19 23:51:55,744 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-19 23:51:55,744 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-19 23:51:55,747 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-19 23:51:55,748 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 11:51:55" (1/1) ... [2019-11-19 23:51:55,750 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@79037fb7 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:51:55, skipping insertion in model container [2019-11-19 23:51:55,750 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 19.11 11:51:55" (1/1) ... [2019-11-19 23:51:55,756 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-19 23:51:55,804 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-19 23:51:56,231 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-19 23:51:56,235 INFO L188 MainTranslator]: Completed pre-run [2019-11-19 23:51:56,353 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-19 23:51:56,382 INFO L192 MainTranslator]: Completed translation [2019-11-19 23:51:56,383 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:51:56 WrapperNode [2019-11-19 23:51:56,383 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-19 23:51:56,383 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-19 23:51:56,384 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-19 23:51:56,384 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-19 23:51:56,393 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:51:56" (1/1) ... [2019-11-19 23:51:56,420 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:51:56" (1/1) ... [2019-11-19 23:51:56,481 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-19 23:51:56,482 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-19 23:51:56,482 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-19 23:51:56,482 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-19 23:51:56,491 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:51:56" (1/1) ... [2019-11-19 23:51:56,497 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:51:56" (1/1) ... [2019-11-19 23:51:56,508 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:51:56" (1/1) ... [2019-11-19 23:51:56,512 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:51:56" (1/1) ... [2019-11-19 23:51:56,531 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:51:56" (1/1) ... [2019-11-19 23:51:56,541 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:51:56" (1/1) ... [2019-11-19 23:51:56,559 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:51:56" (1/1) ... [2019-11-19 23:51:56,566 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-19 23:51:56,571 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-19 23:51:56,571 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-19 23:51:56,571 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-19 23:51:56,572 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 19.11 11:51:56" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_2095bc15-a1ee-44da-8834-b2616f01e752/bin/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2019-11-19 23:51:56,639 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-19 23:51:56,639 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-19 23:51:58,423 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-19 23:51:58,423 INFO L285 CfgBuilder]: Removed 7 assume(true) statements. [2019-11-19 23:51:58,424 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 11:51:58 BoogieIcfgContainer [2019-11-19 23:51:58,425 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-19 23:51:58,425 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2019-11-19 23:51:58,425 INFO L271 PluginConnector]: Initializing CodeCheck... [2019-11-19 23:51:58,436 INFO L275 PluginConnector]: CodeCheck initialized [2019-11-19 23:51:58,437 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 11:51:58" (1/1) ... [2019-11-19 23:51:58,449 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-19 23:51:58,488 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:51:58,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 162 states to 85 states and 162 transitions. [2019-11-19 23:51:58,498 INFO L276 IsEmpty]: Start isEmpty. Operand 85 states and 162 transitions. [2019-11-19 23:51:58,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2019-11-19 23:51:58,505 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:51:58,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:51:58,936 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 23:51:59,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:51:59,590 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 249 states to 163 states and 249 transitions. [2019-11-19 23:51:59,591 INFO L276 IsEmpty]: Start isEmpty. Operand 163 states and 249 transitions. [2019-11-19 23:51:59,594 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 86 [2019-11-19 23:51:59,595 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:51:59,648 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:51:59,786 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 23:52:00,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:52:00,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 268 states to 179 states and 268 transitions. [2019-11-19 23:52:00,089 INFO L276 IsEmpty]: Start isEmpty. Operand 179 states and 268 transitions. [2019-11-19 23:52:00,094 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2019-11-19 23:52:00,094 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:52:00,114 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:52:00,174 INFO L134 CoverageAnalysis]: Checked inductivity of 8 backedges. 8 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 23:52:00,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:52:00,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 360 states to 258 states and 360 transitions. [2019-11-19 23:52:00,909 INFO L276 IsEmpty]: Start isEmpty. Operand 258 states and 360 transitions. [2019-11-19 23:52:00,918 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 91 [2019-11-19 23:52:00,920 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:52:00,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:52:00,992 INFO L134 CoverageAnalysis]: Checked inductivity of 9 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 23:52:01,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:52:01,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 372 states to 267 states and 372 transitions. [2019-11-19 23:52:01,139 INFO L276 IsEmpty]: Start isEmpty. Operand 267 states and 372 transitions. [2019-11-19 23:52:01,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2019-11-19 23:52:01,143 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:52:01,157 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:52:01,178 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 23:52:01,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:52:01,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 377 states to 272 states and 377 transitions. [2019-11-19 23:52:01,218 INFO L276 IsEmpty]: Start isEmpty. Operand 272 states and 377 transitions. [2019-11-19 23:52:01,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2019-11-19 23:52:01,220 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:52:01,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:52:01,262 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-11-19 23:52:01,549 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:52:01,550 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 389 states to 282 states and 389 transitions. [2019-11-19 23:52:01,550 INFO L276 IsEmpty]: Start isEmpty. Operand 282 states and 389 transitions. [2019-11-19 23:52:01,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2019-11-19 23:52:01,557 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:52:01,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:52:01,680 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 23:52:02,170 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:52:02,171 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 415 states to 300 states and 415 transitions. [2019-11-19 23:52:02,171 INFO L276 IsEmpty]: Start isEmpty. Operand 300 states and 415 transitions. [2019-11-19 23:52:02,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 103 [2019-11-19 23:52:02,172 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:52:02,183 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:52:02,212 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 21 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-11-19 23:52:02,270 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:52:02,271 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 418 states to 303 states and 418 transitions. [2019-11-19 23:52:02,272 INFO L276 IsEmpty]: Start isEmpty. Operand 303 states and 418 transitions. [2019-11-19 23:52:02,273 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2019-11-19 23:52:02,273 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:52:02,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:52:02,351 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 23:52:02,554 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:52:02,555 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 435 states to 319 states and 435 transitions. [2019-11-19 23:52:02,556 INFO L276 IsEmpty]: Start isEmpty. Operand 319 states and 435 transitions. [2019-11-19 23:52:02,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2019-11-19 23:52:02,557 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:52:02,566 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:52:02,584 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 23 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-11-19 23:52:02,611 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:52:02,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 437 states to 321 states and 437 transitions. [2019-11-19 23:52:02,612 INFO L276 IsEmpty]: Start isEmpty. Operand 321 states and 437 transitions. [2019-11-19 23:52:02,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2019-11-19 23:52:02,614 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:52:02,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:52:02,645 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 23:52:02,693 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:52:02,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 443 states to 327 states and 443 transitions. [2019-11-19 23:52:02,694 INFO L276 IsEmpty]: Start isEmpty. Operand 327 states and 443 transitions. [2019-11-19 23:52:02,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2019-11-19 23:52:02,696 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:52:02,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:52:02,724 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 23:52:02,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:52:03,000 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 450 states to 331 states and 450 transitions. [2019-11-19 23:52:03,000 INFO L276 IsEmpty]: Start isEmpty. Operand 331 states and 450 transitions. [2019-11-19 23:52:03,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2019-11-19 23:52:03,002 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:52:03,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:52:03,030 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 23:52:03,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:52:03,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 467 states to 346 states and 467 transitions. [2019-11-19 23:52:03,354 INFO L276 IsEmpty]: Start isEmpty. Operand 346 states and 467 transitions. [2019-11-19 23:52:03,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 113 [2019-11-19 23:52:03,355 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:52:03,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:52:03,431 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2019-11-19 23:52:03,824 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:52:03,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 473 states to 350 states and 473 transitions. [2019-11-19 23:52:03,826 INFO L276 IsEmpty]: Start isEmpty. Operand 350 states and 473 transitions. [2019-11-19 23:52:03,828 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2019-11-19 23:52:03,829 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:52:03,846 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:52:04,011 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 34 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 23:52:04,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:52:04,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 496 states to 369 states and 496 transitions. [2019-11-19 23:52:04,426 INFO L276 IsEmpty]: Start isEmpty. Operand 369 states and 496 transitions. [2019-11-19 23:52:04,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2019-11-19 23:52:04,428 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:52:04,446 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:52:04,493 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 35 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 23:52:04,517 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:52:04,518 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 497 states to 370 states and 497 transitions. [2019-11-19 23:52:04,521 INFO L276 IsEmpty]: Start isEmpty. Operand 370 states and 497 transitions. [2019-11-19 23:52:04,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 119 [2019-11-19 23:52:04,523 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:52:04,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:52:04,715 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 23:52:06,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:52:06,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 545 states to 407 states and 545 transitions. [2019-11-19 23:52:06,123 INFO L276 IsEmpty]: Start isEmpty. Operand 407 states and 545 transitions. [2019-11-19 23:52:06,125 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2019-11-19 23:52:06,125 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:52:06,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:52:06,153 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2019-11-19 23:52:06,450 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:52:06,451 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 553 states to 412 states and 553 transitions. [2019-11-19 23:52:06,451 INFO L276 IsEmpty]: Start isEmpty. Operand 412 states and 553 transitions. [2019-11-19 23:52:06,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 122 [2019-11-19 23:52:06,453 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:52:06,462 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:52:06,486 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2019-11-19 23:52:06,513 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:52:06,514 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 555 states to 414 states and 555 transitions. [2019-11-19 23:52:06,514 INFO L276 IsEmpty]: Start isEmpty. Operand 414 states and 555 transitions. [2019-11-19 23:52:06,515 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2019-11-19 23:52:06,515 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:52:06,525 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:52:06,546 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 47 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2019-11-19 23:52:06,773 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:52:06,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 572 states to 428 states and 572 transitions. [2019-11-19 23:52:06,775 INFO L276 IsEmpty]: Start isEmpty. Operand 428 states and 572 transitions. [2019-11-19 23:52:06,778 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2019-11-19 23:52:06,778 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:52:06,791 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:52:06,878 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-11-19 23:52:07,456 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:52:07,457 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 591 states to 444 states and 591 transitions. [2019-11-19 23:52:07,458 INFO L276 IsEmpty]: Start isEmpty. Operand 444 states and 591 transitions. [2019-11-19 23:52:07,459 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2019-11-19 23:52:07,459 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:52:07,472 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:52:07,495 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 47 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2019-11-19 23:52:08,102 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:52:08,103 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 610 states to 460 states and 610 transitions. [2019-11-19 23:52:08,103 INFO L276 IsEmpty]: Start isEmpty. Operand 460 states and 610 transitions. [2019-11-19 23:52:08,105 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2019-11-19 23:52:08,105 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:52:08,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:52:08,139 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 23:52:08,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:52:08,570 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 630 states to 479 states and 630 transitions. [2019-11-19 23:52:08,570 INFO L276 IsEmpty]: Start isEmpty. Operand 479 states and 630 transitions. [2019-11-19 23:52:08,572 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2019-11-19 23:52:08,572 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:52:08,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:52:08,668 INFO L134 CoverageAnalysis]: Checked inductivity of 52 backedges. 52 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 23:52:09,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:52:09,284 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 649 states to 495 states and 649 transitions. [2019-11-19 23:52:09,284 INFO L276 IsEmpty]: Start isEmpty. Operand 495 states and 649 transitions. [2019-11-19 23:52:09,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2019-11-19 23:52:09,286 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:52:09,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:52:09,417 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 71 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-11-19 23:52:09,927 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:52:09,928 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 674 states to 514 states and 674 transitions. [2019-11-19 23:52:09,928 INFO L276 IsEmpty]: Start isEmpty. Operand 514 states and 674 transitions. [2019-11-19 23:52:09,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2019-11-19 23:52:09,930 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:52:09,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:52:09,976 INFO L134 CoverageAnalysis]: Checked inductivity of 63 backedges. 44 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2019-11-19 23:52:10,279 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:52:10,281 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 680 states to 519 states and 680 transitions. [2019-11-19 23:52:10,281 INFO L276 IsEmpty]: Start isEmpty. Operand 519 states and 680 transitions. [2019-11-19 23:52:10,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2019-11-19 23:52:10,284 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:52:10,298 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:52:10,357 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 23:52:10,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:52:10,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 701 states to 538 states and 701 transitions. [2019-11-19 23:52:10,839 INFO L276 IsEmpty]: Start isEmpty. Operand 538 states and 701 transitions. [2019-11-19 23:52:10,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2019-11-19 23:52:10,841 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:52:10,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:52:10,953 INFO L134 CoverageAnalysis]: Checked inductivity of 54 backedges. 46 proven. 5 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-11-19 23:52:11,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:52:11,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 722 states to 554 states and 722 transitions. [2019-11-19 23:52:11,538 INFO L276 IsEmpty]: Start isEmpty. Operand 554 states and 722 transitions. [2019-11-19 23:52:11,539 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2019-11-19 23:52:11,539 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:52:11,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:52:11,609 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 46 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 23:52:12,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:52:12,077 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 741 states to 570 states and 741 transitions. [2019-11-19 23:52:12,077 INFO L276 IsEmpty]: Start isEmpty. Operand 570 states and 741 transitions. [2019-11-19 23:52:12,078 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2019-11-19 23:52:12,078 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:52:12,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:52:12,108 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2019-11-19 23:52:12,239 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:52:12,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 742 states to 571 states and 742 transitions. [2019-11-19 23:52:12,240 INFO L276 IsEmpty]: Start isEmpty. Operand 571 states and 742 transitions. [2019-11-19 23:52:12,242 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2019-11-19 23:52:12,242 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:52:12,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:52:12,337 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 49 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 23:52:12,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:52:12,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 760 states to 585 states and 760 transitions. [2019-11-19 23:52:12,855 INFO L276 IsEmpty]: Start isEmpty. Operand 585 states and 760 transitions. [2019-11-19 23:52:12,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2019-11-19 23:52:12,857 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:52:12,871 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:52:12,957 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 52 proven. 8 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2019-11-19 23:52:14,631 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:52:14,632 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 797 states to 608 states and 797 transitions. [2019-11-19 23:52:14,632 INFO L276 IsEmpty]: Start isEmpty. Operand 608 states and 797 transitions. [2019-11-19 23:52:14,634 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2019-11-19 23:52:14,634 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:52:14,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:52:14,739 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 52 proven. 8 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2019-11-19 23:52:15,254 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:52:15,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 815 states to 623 states and 815 transitions. [2019-11-19 23:52:15,255 INFO L276 IsEmpty]: Start isEmpty. Operand 623 states and 815 transitions. [2019-11-19 23:52:15,257 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2019-11-19 23:52:15,257 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:52:15,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:52:15,294 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 56 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2019-11-19 23:52:15,473 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:52:15,474 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 817 states to 625 states and 817 transitions. [2019-11-19 23:52:15,475 INFO L276 IsEmpty]: Start isEmpty. Operand 625 states and 817 transitions. [2019-11-19 23:52:15,480 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2019-11-19 23:52:15,480 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:52:15,494 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:52:15,567 INFO L134 CoverageAnalysis]: Checked inductivity of 124 backedges. 106 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2019-11-19 23:52:15,762 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:52:15,763 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 818 states to 626 states and 818 transitions. [2019-11-19 23:52:15,763 INFO L276 IsEmpty]: Start isEmpty. Operand 626 states and 818 transitions. [2019-11-19 23:52:15,765 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2019-11-19 23:52:15,765 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:52:15,784 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:52:15,857 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 90 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-11-19 23:52:16,700 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:52:16,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 841 states to 645 states and 841 transitions. [2019-11-19 23:52:16,708 INFO L276 IsEmpty]: Start isEmpty. Operand 645 states and 841 transitions. [2019-11-19 23:52:16,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2019-11-19 23:52:16,710 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:52:16,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:52:16,787 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 90 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-11-19 23:52:17,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:52:17,176 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 852 states to 656 states and 852 transitions. [2019-11-19 23:52:17,177 INFO L276 IsEmpty]: Start isEmpty. Operand 656 states and 852 transitions. [2019-11-19 23:52:17,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 146 [2019-11-19 23:52:17,179 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:52:17,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:52:17,253 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 90 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-11-19 23:52:17,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:52:17,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 862 states to 666 states and 862 transitions. [2019-11-19 23:52:17,799 INFO L276 IsEmpty]: Start isEmpty. Operand 666 states and 862 transitions. [2019-11-19 23:52:17,801 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2019-11-19 23:52:17,801 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:52:17,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:52:17,847 INFO L134 CoverageAnalysis]: Checked inductivity of 83 backedges. 83 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 23:52:17,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:52:17,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 879 states to 682 states and 879 transitions. [2019-11-19 23:52:17,956 INFO L276 IsEmpty]: Start isEmpty. Operand 682 states and 879 transitions. [2019-11-19 23:52:17,958 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2019-11-19 23:52:17,958 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:52:17,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:52:18,083 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 67 proven. 5 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2019-11-19 23:52:18,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:52:18,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 914 states to 714 states and 914 transitions. [2019-11-19 23:52:18,955 INFO L276 IsEmpty]: Start isEmpty. Operand 714 states and 914 transitions. [2019-11-19 23:52:18,957 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2019-11-19 23:52:18,957 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:52:18,971 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:52:19,088 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 67 proven. 5 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2019-11-19 23:52:19,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:52:19,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 921 states to 719 states and 921 transitions. [2019-11-19 23:52:19,400 INFO L276 IsEmpty]: Start isEmpty. Operand 719 states and 921 transitions. [2019-11-19 23:52:19,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2019-11-19 23:52:19,402 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:52:19,415 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:52:19,506 INFO L134 CoverageAnalysis]: Checked inductivity of 96 backedges. 67 proven. 5 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2019-11-19 23:52:19,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:52:19,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 925 states to 722 states and 925 transitions. [2019-11-19 23:52:19,693 INFO L276 IsEmpty]: Start isEmpty. Operand 722 states and 925 transitions. [2019-11-19 23:52:19,694 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2019-11-19 23:52:19,695 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:52:19,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:52:19,734 INFO L134 CoverageAnalysis]: Checked inductivity of 124 backedges. 86 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2019-11-19 23:52:19,900 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:52:19,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 930 states to 727 states and 930 transitions. [2019-11-19 23:52:19,901 INFO L276 IsEmpty]: Start isEmpty. Operand 727 states and 930 transitions. [2019-11-19 23:52:19,902 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2019-11-19 23:52:19,902 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:52:19,910 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:52:20,210 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2019-11-19 23:52:20,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:52:20,908 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 949 states to 743 states and 949 transitions. [2019-11-19 23:52:20,909 INFO L276 IsEmpty]: Start isEmpty. Operand 743 states and 949 transitions. [2019-11-19 23:52:20,909 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2019-11-19 23:52:20,910 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:52:20,927 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:52:21,096 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 70 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 23:52:21,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:52:21,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 994 states to 782 states and 994 transitions. [2019-11-19 23:52:21,839 INFO L276 IsEmpty]: Start isEmpty. Operand 782 states and 994 transitions. [2019-11-19 23:52:21,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2019-11-19 23:52:21,841 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:52:21,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:52:21,937 INFO L134 CoverageAnalysis]: Checked inductivity of 107 backedges. 71 proven. 8 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2019-11-19 23:52:22,017 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:52:22,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1000 states to 788 states and 1000 transitions. [2019-11-19 23:52:22,019 INFO L276 IsEmpty]: Start isEmpty. Operand 788 states and 1000 transitions. [2019-11-19 23:52:22,020 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 153 [2019-11-19 23:52:22,021 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:52:22,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:52:22,148 INFO L134 CoverageAnalysis]: Checked inductivity of 107 backedges. 71 proven. 8 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2019-11-19 23:52:22,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:52:22,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1010 states to 798 states and 1010 transitions. [2019-11-19 23:52:22,656 INFO L276 IsEmpty]: Start isEmpty. Operand 798 states and 1010 transitions. [2019-11-19 23:52:22,657 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2019-11-19 23:52:22,657 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:52:22,668 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:52:22,732 INFO L134 CoverageAnalysis]: Checked inductivity of 151 backedges. 124 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2019-11-19 23:52:22,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:52:22,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1012 states to 800 states and 1012 transitions. [2019-11-19 23:52:22,919 INFO L276 IsEmpty]: Start isEmpty. Operand 800 states and 1012 transitions. [2019-11-19 23:52:22,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2019-11-19 23:52:22,921 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:52:22,934 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:52:23,020 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 72 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 23:52:23,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:52:23,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1035 states to 823 states and 1035 transitions. [2019-11-19 23:52:23,181 INFO L276 IsEmpty]: Start isEmpty. Operand 823 states and 1035 transitions. [2019-11-19 23:52:23,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 155 [2019-11-19 23:52:23,182 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:52:23,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:52:23,231 INFO L134 CoverageAnalysis]: Checked inductivity of 73 backedges. 73 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 23:52:23,581 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:52:23,582 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1063 states to 849 states and 1063 transitions. [2019-11-19 23:52:23,582 INFO L276 IsEmpty]: Start isEmpty. Operand 849 states and 1063 transitions. [2019-11-19 23:52:23,583 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2019-11-19 23:52:23,584 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:52:23,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:52:23,640 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 72 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2019-11-19 23:52:24,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:52:24,187 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1085 states to 870 states and 1085 transitions. [2019-11-19 23:52:24,187 INFO L276 IsEmpty]: Start isEmpty. Operand 870 states and 1085 transitions. [2019-11-19 23:52:24,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2019-11-19 23:52:24,189 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:52:24,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:52:24,368 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 75 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 23:52:24,662 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:52:24,664 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1126 states to 908 states and 1126 transitions. [2019-11-19 23:52:24,664 INFO L276 IsEmpty]: Start isEmpty. Operand 908 states and 1126 transitions. [2019-11-19 23:52:24,670 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2019-11-19 23:52:24,670 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:52:24,684 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:52:24,760 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 102 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-11-19 23:52:25,439 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:52:25,440 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1148 states to 927 states and 1148 transitions. [2019-11-19 23:52:25,440 INFO L276 IsEmpty]: Start isEmpty. Operand 927 states and 1148 transitions. [2019-11-19 23:52:25,442 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2019-11-19 23:52:25,442 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:52:25,456 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:52:25,545 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 102 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-11-19 23:52:25,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:52:25,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1161 states to 940 states and 1161 transitions. [2019-11-19 23:52:25,922 INFO L276 IsEmpty]: Start isEmpty. Operand 940 states and 1161 transitions. [2019-11-19 23:52:25,924 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2019-11-19 23:52:25,924 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:52:25,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:52:26,025 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 102 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-11-19 23:52:26,559 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:52:26,560 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1172 states to 951 states and 1172 transitions. [2019-11-19 23:52:26,560 INFO L276 IsEmpty]: Start isEmpty. Operand 951 states and 1172 transitions. [2019-11-19 23:52:26,562 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2019-11-19 23:52:26,562 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:52:26,573 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:52:27,140 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 85 proven. 3 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2019-11-19 23:52:29,619 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:52:29,620 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1223 states to 991 states and 1223 transitions. [2019-11-19 23:52:29,620 INFO L276 IsEmpty]: Start isEmpty. Operand 991 states and 1223 transitions. [2019-11-19 23:52:29,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2019-11-19 23:52:29,621 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:52:29,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:52:29,738 INFO L134 CoverageAnalysis]: Checked inductivity of 124 backedges. 79 proven. 10 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2019-11-19 23:52:30,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:52:30,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1238 states to 1005 states and 1238 transitions. [2019-11-19 23:52:30,049 INFO L276 IsEmpty]: Start isEmpty. Operand 1005 states and 1238 transitions. [2019-11-19 23:52:30,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2019-11-19 23:52:30,050 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:52:30,070 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:52:30,105 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 87 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 23:52:31,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:52:31,544 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1299 states to 1060 states and 1299 transitions. [2019-11-19 23:52:31,544 INFO L276 IsEmpty]: Start isEmpty. Operand 1060 states and 1299 transitions. [2019-11-19 23:52:31,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2019-11-19 23:52:31,545 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:52:31,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:52:31,641 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 79 proven. 5 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2019-11-19 23:52:32,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:52:32,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1325 states to 1083 states and 1325 transitions. [2019-11-19 23:52:32,430 INFO L276 IsEmpty]: Start isEmpty. Operand 1083 states and 1325 transitions. [2019-11-19 23:52:32,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2019-11-19 23:52:32,432 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:52:32,448 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:52:32,523 INFO L134 CoverageAnalysis]: Checked inductivity of 108 backedges. 79 proven. 5 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2019-11-19 23:52:32,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:52:32,599 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1332 states to 1091 states and 1332 transitions. [2019-11-19 23:52:32,599 INFO L276 IsEmpty]: Start isEmpty. Operand 1091 states and 1332 transitions. [2019-11-19 23:52:32,602 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2019-11-19 23:52:32,602 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:52:32,617 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:52:32,682 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 0 proven. 15 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2019-11-19 23:52:33,119 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:52:33,120 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1352 states to 1108 states and 1352 transitions. [2019-11-19 23:52:33,121 INFO L276 IsEmpty]: Start isEmpty. Operand 1108 states and 1352 transitions. [2019-11-19 23:52:33,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2019-11-19 23:52:33,122 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:52:33,131 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:52:33,161 INFO L134 CoverageAnalysis]: Checked inductivity of 150 backedges. 103 proven. 0 refuted. 0 times theorem prover too weak. 47 trivial. 0 not checked. [2019-11-19 23:52:33,437 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:52:33,438 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1367 states to 1122 states and 1367 transitions. [2019-11-19 23:52:33,438 INFO L276 IsEmpty]: Start isEmpty. Operand 1122 states and 1367 transitions. [2019-11-19 23:52:33,439 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 170 [2019-11-19 23:52:33,439 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:52:33,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:52:34,241 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 93 proven. 0 refuted. 0 times theorem prover too weak. 2 trivial. 0 not checked. [2019-11-19 23:52:34,838 WARN L191 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 42 [2019-11-19 23:52:36,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:52:36,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1437 states to 1193 states and 1437 transitions. [2019-11-19 23:52:36,267 INFO L276 IsEmpty]: Start isEmpty. Operand 1193 states and 1437 transitions. [2019-11-19 23:52:36,269 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2019-11-19 23:52:36,269 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:52:36,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:52:36,321 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 109 proven. 0 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2019-11-19 23:52:36,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:52:36,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1464 states to 1219 states and 1464 transitions. [2019-11-19 23:52:36,682 INFO L276 IsEmpty]: Start isEmpty. Operand 1219 states and 1464 transitions. [2019-11-19 23:52:36,684 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 174 [2019-11-19 23:52:36,684 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:52:36,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:52:36,802 INFO L134 CoverageAnalysis]: Checked inductivity of 127 backedges. 92 proven. 10 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2019-11-19 23:52:37,140 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:52:37,141 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1482 states to 1235 states and 1482 transitions. [2019-11-19 23:52:37,141 INFO L276 IsEmpty]: Start isEmpty. Operand 1235 states and 1482 transitions. [2019-11-19 23:52:37,143 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2019-11-19 23:52:37,143 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:52:37,156 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:52:37,239 INFO L134 CoverageAnalysis]: Checked inductivity of 172 backedges. 145 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2019-11-19 23:52:37,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:52:37,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1510 states to 1258 states and 1510 transitions. [2019-11-19 23:52:37,933 INFO L276 IsEmpty]: Start isEmpty. Operand 1258 states and 1510 transitions. [2019-11-19 23:52:37,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 175 [2019-11-19 23:52:37,935 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:52:37,949 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:52:38,040 INFO L134 CoverageAnalysis]: Checked inductivity of 172 backedges. 145 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2019-11-19 23:52:38,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:52:38,089 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1520 states to 1269 states and 1520 transitions. [2019-11-19 23:52:38,089 INFO L276 IsEmpty]: Start isEmpty. Operand 1269 states and 1520 transitions. [2019-11-19 23:52:38,090 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2019-11-19 23:52:38,090 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:52:38,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:52:38,144 INFO L134 CoverageAnalysis]: Checked inductivity of 162 backedges. 114 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2019-11-19 23:52:38,204 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:52:38,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1524 states to 1274 states and 1524 transitions. [2019-11-19 23:52:38,206 INFO L276 IsEmpty]: Start isEmpty. Operand 1274 states and 1524 transitions. [2019-11-19 23:52:38,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2019-11-19 23:52:38,209 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:52:38,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:52:38,538 INFO L134 CoverageAnalysis]: Checked inductivity of 131 backedges. 123 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-11-19 23:52:38,837 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:52:38,838 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1527 states to 1276 states and 1527 transitions. [2019-11-19 23:52:38,838 INFO L276 IsEmpty]: Start isEmpty. Operand 1276 states and 1527 transitions. [2019-11-19 23:52:38,839 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2019-11-19 23:52:38,839 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:52:38,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:52:38,905 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 97 proven. 3 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2019-11-19 23:52:40,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:52:40,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1607 states to 1346 states and 1607 transitions. [2019-11-19 23:52:40,606 INFO L276 IsEmpty]: Start isEmpty. Operand 1346 states and 1607 transitions. [2019-11-19 23:52:40,607 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2019-11-19 23:52:40,607 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:52:40,618 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:52:40,669 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 97 proven. 3 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2019-11-19 23:52:41,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:52:41,102 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1621 states to 1360 states and 1621 transitions. [2019-11-19 23:52:41,102 INFO L276 IsEmpty]: Start isEmpty. Operand 1360 states and 1621 transitions. [2019-11-19 23:52:41,104 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2019-11-19 23:52:41,104 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:52:41,119 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:52:41,165 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 97 proven. 3 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2019-11-19 23:52:41,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:52:41,462 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1622 states to 1361 states and 1622 transitions. [2019-11-19 23:52:41,462 INFO L276 IsEmpty]: Start isEmpty. Operand 1361 states and 1622 transitions. [2019-11-19 23:52:41,464 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2019-11-19 23:52:41,464 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:52:41,475 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:52:41,524 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 97 proven. 3 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2019-11-19 23:52:41,887 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:52:41,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1637 states to 1376 states and 1637 transitions. [2019-11-19 23:52:41,888 INFO L276 IsEmpty]: Start isEmpty. Operand 1376 states and 1637 transitions. [2019-11-19 23:52:41,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2019-11-19 23:52:41,890 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:52:41,899 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:52:42,164 INFO L134 CoverageAnalysis]: Checked inductivity of 224 backedges. 166 proven. 0 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2019-11-19 23:52:43,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:52:43,373 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1655 states to 1392 states and 1655 transitions. [2019-11-19 23:52:43,373 INFO L276 IsEmpty]: Start isEmpty. Operand 1392 states and 1655 transitions. [2019-11-19 23:52:43,375 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2019-11-19 23:52:43,375 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:52:43,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:52:43,431 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 110 proven. 0 refuted. 0 times theorem prover too weak. 19 trivial. 0 not checked. [2019-11-19 23:52:43,605 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:52:43,606 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1666 states to 1404 states and 1666 transitions. [2019-11-19 23:52:43,606 INFO L276 IsEmpty]: Start isEmpty. Operand 1404 states and 1666 transitions. [2019-11-19 23:52:43,608 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2019-11-19 23:52:43,608 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:52:43,623 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:52:43,799 INFO L134 CoverageAnalysis]: Checked inductivity of 243 backedges. 182 proven. 0 refuted. 0 times theorem prover too weak. 61 trivial. 0 not checked. [2019-11-19 23:52:45,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:52:45,263 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1696 states to 1429 states and 1696 transitions. [2019-11-19 23:52:45,263 INFO L276 IsEmpty]: Start isEmpty. Operand 1429 states and 1696 transitions. [2019-11-19 23:52:45,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2019-11-19 23:52:45,264 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:52:45,276 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:52:45,317 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 137 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-11-19 23:52:46,989 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:52:46,990 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1737 states to 1461 states and 1737 transitions. [2019-11-19 23:52:46,990 INFO L276 IsEmpty]: Start isEmpty. Operand 1461 states and 1737 transitions. [2019-11-19 23:52:46,992 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2019-11-19 23:52:46,992 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:52:47,007 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:52:47,046 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 137 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-11-19 23:52:47,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:52:47,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1741 states to 1463 states and 1741 transitions. [2019-11-19 23:52:47,347 INFO L276 IsEmpty]: Start isEmpty. Operand 1463 states and 1741 transitions. [2019-11-19 23:52:47,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2019-11-19 23:52:47,349 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:52:47,363 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:52:47,406 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 137 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-11-19 23:52:47,587 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:52:47,588 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1741 states to 1464 states and 1741 transitions. [2019-11-19 23:52:47,588 INFO L276 IsEmpty]: Start isEmpty. Operand 1464 states and 1741 transitions. [2019-11-19 23:52:47,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2019-11-19 23:52:47,591 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:52:47,605 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:52:47,647 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 137 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-11-19 23:52:48,146 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:52:48,151 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1754 states to 1475 states and 1754 transitions. [2019-11-19 23:52:48,151 INFO L276 IsEmpty]: Start isEmpty. Operand 1475 states and 1754 transitions. [2019-11-19 23:52:48,155 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2019-11-19 23:52:48,155 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:52:48,169 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:52:48,201 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 137 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-11-19 23:52:48,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:52:48,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1765 states to 1486 states and 1765 transitions. [2019-11-19 23:52:48,551 INFO L276 IsEmpty]: Start isEmpty. Operand 1486 states and 1765 transitions. [2019-11-19 23:52:48,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2019-11-19 23:52:48,552 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:52:48,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:52:48,608 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 116 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2019-11-19 23:52:49,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:52:49,413 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1775 states to 1493 states and 1775 transitions. [2019-11-19 23:52:49,413 INFO L276 IsEmpty]: Start isEmpty. Operand 1493 states and 1775 transitions. [2019-11-19 23:52:49,414 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2019-11-19 23:52:49,414 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:52:49,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:52:49,618 INFO L134 CoverageAnalysis]: Checked inductivity of 188 backedges. 161 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2019-11-19 23:52:51,530 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:52:51,531 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1847 states to 1557 states and 1847 transitions. [2019-11-19 23:52:51,531 INFO L276 IsEmpty]: Start isEmpty. Operand 1557 states and 1847 transitions. [2019-11-19 23:52:51,532 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 193 [2019-11-19 23:52:51,532 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:52:51,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:52:51,587 INFO L134 CoverageAnalysis]: Checked inductivity of 153 backedges. 122 proven. 0 refuted. 0 times theorem prover too weak. 31 trivial. 0 not checked. [2019-11-19 23:52:51,981 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:52:51,982 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1860 states to 1569 states and 1860 transitions. [2019-11-19 23:52:51,982 INFO L276 IsEmpty]: Start isEmpty. Operand 1569 states and 1860 transitions. [2019-11-19 23:52:51,983 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2019-11-19 23:52:51,983 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:52:51,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:52:52,203 INFO L134 CoverageAnalysis]: Checked inductivity of 148 backedges. 144 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-11-19 23:52:53,976 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:52:53,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1908 states to 1610 states and 1908 transitions. [2019-11-19 23:52:53,977 INFO L276 IsEmpty]: Start isEmpty. Operand 1610 states and 1908 transitions. [2019-11-19 23:52:53,978 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2019-11-19 23:52:53,978 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:52:53,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:52:54,033 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 153 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2019-11-19 23:52:54,901 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:52:54,902 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1918 states to 1615 states and 1918 transitions. [2019-11-19 23:52:54,902 INFO L276 IsEmpty]: Start isEmpty. Operand 1615 states and 1918 transitions. [2019-11-19 23:52:54,903 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2019-11-19 23:52:54,903 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:52:54,915 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:52:54,963 INFO L134 CoverageAnalysis]: Checked inductivity of 182 backedges. 153 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2019-11-19 23:52:55,419 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:52:55,420 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1923 states to 1619 states and 1923 transitions. [2019-11-19 23:52:55,420 INFO L276 IsEmpty]: Start isEmpty. Operand 1619 states and 1923 transitions. [2019-11-19 23:52:55,422 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2019-11-19 23:52:55,422 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:52:55,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:52:55,718 INFO L134 CoverageAnalysis]: Checked inductivity of 163 backedges. 163 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 23:52:56,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:52:56,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1925 states to 1621 states and 1925 transitions. [2019-11-19 23:52:56,087 INFO L276 IsEmpty]: Start isEmpty. Operand 1621 states and 1925 transitions. [2019-11-19 23:52:56,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2019-11-19 23:52:56,089 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:52:56,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:52:56,149 INFO L134 CoverageAnalysis]: Checked inductivity of 173 backedges. 135 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2019-11-19 23:52:56,205 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:52:56,206 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1928 states to 1624 states and 1928 transitions. [2019-11-19 23:52:56,206 INFO L276 IsEmpty]: Start isEmpty. Operand 1624 states and 1928 transitions. [2019-11-19 23:52:56,207 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2019-11-19 23:52:56,207 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:52:56,223 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:52:56,268 INFO L134 CoverageAnalysis]: Checked inductivity of 173 backedges. 135 proven. 0 refuted. 0 times theorem prover too weak. 38 trivial. 0 not checked. [2019-11-19 23:52:56,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:52:56,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1935 states to 1630 states and 1935 transitions. [2019-11-19 23:52:56,568 INFO L276 IsEmpty]: Start isEmpty. Operand 1630 states and 1935 transitions. [2019-11-19 23:52:56,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 203 [2019-11-19 23:52:56,570 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:52:56,582 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:52:56,812 INFO L134 CoverageAnalysis]: Checked inductivity of 200 backedges. 173 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2019-11-19 23:52:58,869 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:52:58,870 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1998 states to 1687 states and 1998 transitions. [2019-11-19 23:52:58,870 INFO L276 IsEmpty]: Start isEmpty. Operand 1687 states and 1998 transitions. [2019-11-19 23:52:58,871 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2019-11-19 23:52:58,871 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:52:58,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:52:58,968 INFO L134 CoverageAnalysis]: Checked inductivity of 249 backedges. 123 proven. 15 refuted. 0 times theorem prover too weak. 111 trivial. 0 not checked. [2019-11-19 23:52:59,445 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:52:59,446 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2016 states to 1703 states and 2016 transitions. [2019-11-19 23:52:59,446 INFO L276 IsEmpty]: Start isEmpty. Operand 1703 states and 2016 transitions. [2019-11-19 23:52:59,447 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2019-11-19 23:52:59,447 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:52:59,457 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:52:59,491 INFO L134 CoverageAnalysis]: Checked inductivity of 175 backedges. 175 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-19 23:53:00,122 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:53:00,123 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2032 states to 1719 states and 2032 transitions. [2019-11-19 23:53:00,123 INFO L276 IsEmpty]: Start isEmpty. Operand 1719 states and 2032 transitions. [2019-11-19 23:53:00,124 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2019-11-19 23:53:00,124 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:53:00,134 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:53:00,258 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 142 proven. 5 refuted. 0 times theorem prover too weak. 43 trivial. 0 not checked. [2019-11-19 23:53:00,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:53:00,388 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2054 states to 1742 states and 2054 transitions. [2019-11-19 23:53:00,388 INFO L276 IsEmpty]: Start isEmpty. Operand 1742 states and 2054 transitions. [2019-11-19 23:53:00,389 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2019-11-19 23:53:00,389 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:53:00,400 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:53:00,466 INFO L134 CoverageAnalysis]: Checked inductivity of 203 backedges. 176 proven. 4 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2019-11-19 23:53:00,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:53:00,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2081 states to 1764 states and 2081 transitions. [2019-11-19 23:53:00,884 INFO L276 IsEmpty]: Start isEmpty. Operand 1764 states and 2081 transitions. [2019-11-19 23:53:00,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2019-11-19 23:53:00,885 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:53:00,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:53:00,956 INFO L134 CoverageAnalysis]: Checked inductivity of 203 backedges. 176 proven. 4 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2019-11-19 23:53:01,706 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:53:01,707 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2097 states to 1780 states and 2097 transitions. [2019-11-19 23:53:01,707 INFO L276 IsEmpty]: Start isEmpty. Operand 1780 states and 2097 transitions. [2019-11-19 23:53:01,708 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 207 [2019-11-19 23:53:01,708 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:53:01,720 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:53:01,788 INFO L134 CoverageAnalysis]: Checked inductivity of 203 backedges. 176 proven. 4 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2019-11-19 23:53:02,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:53:02,007 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2101 states to 1784 states and 2101 transitions. [2019-11-19 23:53:02,007 INFO L276 IsEmpty]: Start isEmpty. Operand 1784 states and 2101 transitions. [2019-11-19 23:53:02,008 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2019-11-19 23:53:02,008 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:53:02,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:53:02,924 INFO L134 CoverageAnalysis]: Checked inductivity of 193 backedges. 173 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2019-11-19 23:53:05,883 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:53:05,884 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2170 states to 1853 states and 2170 transitions. [2019-11-19 23:53:05,884 INFO L276 IsEmpty]: Start isEmpty. Operand 1853 states and 2170 transitions. [2019-11-19 23:53:05,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2019-11-19 23:53:05,886 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:53:05,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:53:06,056 INFO L134 CoverageAnalysis]: Checked inductivity of 208 backedges. 185 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2019-11-19 23:53:08,346 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:53:08,347 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2231 states to 1915 states and 2231 transitions. [2019-11-19 23:53:08,347 INFO L276 IsEmpty]: Start isEmpty. Operand 1915 states and 2231 transitions. [2019-11-19 23:53:08,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2019-11-19 23:53:08,349 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:53:08,359 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:53:09,594 INFO L134 CoverageAnalysis]: Checked inductivity of 183 backedges. 173 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2019-11-19 23:53:13,454 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:53:13,455 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2272 states to 1952 states and 2272 transitions. [2019-11-19 23:53:13,455 INFO L276 IsEmpty]: Start isEmpty. Operand 1952 states and 2272 transitions. [2019-11-19 23:53:13,457 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 214 [2019-11-19 23:53:13,457 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:53:13,467 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:53:13,651 INFO L134 CoverageAnalysis]: Checked inductivity of 183 backedges. 173 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2019-11-19 23:53:13,992 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:53:13,993 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2274 states to 1954 states and 2274 transitions. [2019-11-19 23:53:13,993 INFO L276 IsEmpty]: Start isEmpty. Operand 1954 states and 2274 transitions. [2019-11-19 23:53:13,994 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 223 [2019-11-19 23:53:13,994 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:53:14,004 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:53:14,126 INFO L134 CoverageAnalysis]: Checked inductivity of 224 backedges. 159 proven. 5 refuted. 0 times theorem prover too weak. 60 trivial. 0 not checked. [2019-11-19 23:53:14,553 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:53:14,554 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2301 states to 1980 states and 2301 transitions. [2019-11-19 23:53:14,555 INFO L276 IsEmpty]: Start isEmpty. Operand 1980 states and 2301 transitions. [2019-11-19 23:53:14,556 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 226 [2019-11-19 23:53:14,556 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:53:14,570 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:53:14,819 INFO L134 CoverageAnalysis]: Checked inductivity of 225 backedges. 217 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-11-19 23:53:15,749 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:53:15,751 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2323 states to 1999 states and 2323 transitions. [2019-11-19 23:53:15,751 INFO L276 IsEmpty]: Start isEmpty. Operand 1999 states and 2323 transitions. [2019-11-19 23:53:15,753 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 226 [2019-11-19 23:53:15,753 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:53:15,774 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:53:16,084 INFO L134 CoverageAnalysis]: Checked inductivity of 225 backedges. 217 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-11-19 23:53:17,365 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:53:17,366 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2336 states to 2012 states and 2336 transitions. [2019-11-19 23:53:17,366 INFO L276 IsEmpty]: Start isEmpty. Operand 2012 states and 2336 transitions. [2019-11-19 23:53:17,367 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 226 [2019-11-19 23:53:17,367 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:53:17,386 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:53:17,679 INFO L134 CoverageAnalysis]: Checked inductivity of 225 backedges. 217 proven. 0 refuted. 0 times theorem prover too weak. 8 trivial. 0 not checked. [2019-11-19 23:53:18,699 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:53:18,700 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2357 states to 2033 states and 2357 transitions. [2019-11-19 23:53:18,700 INFO L276 IsEmpty]: Start isEmpty. Operand 2033 states and 2357 transitions. [2019-11-19 23:53:18,701 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 227 [2019-11-19 23:53:18,701 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:53:18,712 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:53:19,982 INFO L134 CoverageAnalysis]: Checked inductivity of 227 backedges. 204 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2019-11-19 23:53:24,219 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:53:24,220 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2432 states to 2106 states and 2432 transitions. [2019-11-19 23:53:24,220 INFO L276 IsEmpty]: Start isEmpty. Operand 2106 states and 2432 transitions. [2019-11-19 23:53:24,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 229 [2019-11-19 23:53:24,222 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:53:24,232 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:53:24,411 INFO L134 CoverageAnalysis]: Checked inductivity of 236 backedges. 210 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2019-11-19 23:53:26,973 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:53:26,977 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2494 states to 2169 states and 2494 transitions. [2019-11-19 23:53:26,977 INFO L276 IsEmpty]: Start isEmpty. Operand 2169 states and 2494 transitions. [2019-11-19 23:53:26,980 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 229 [2019-11-19 23:53:26,980 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:53:26,996 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:53:27,179 INFO L134 CoverageAnalysis]: Checked inductivity of 236 backedges. 210 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2019-11-19 23:53:28,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:53:28,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2509 states to 2185 states and 2509 transitions. [2019-11-19 23:53:28,494 INFO L276 IsEmpty]: Start isEmpty. Operand 2185 states and 2509 transitions. [2019-11-19 23:53:28,495 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2019-11-19 23:53:28,495 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:53:28,510 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:53:28,756 INFO L134 CoverageAnalysis]: Checked inductivity of 219 backedges. 149 proven. 3 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2019-11-19 23:53:31,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:53:31,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2551 states to 2219 states and 2551 transitions. [2019-11-19 23:53:31,034 INFO L276 IsEmpty]: Start isEmpty. Operand 2219 states and 2551 transitions. [2019-11-19 23:53:31,036 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2019-11-19 23:53:31,037 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:53:31,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:53:31,189 INFO L134 CoverageAnalysis]: Checked inductivity of 219 backedges. 149 proven. 3 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2019-11-19 23:53:31,669 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:53:31,670 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2563 states to 2230 states and 2563 transitions. [2019-11-19 23:53:31,670 INFO L276 IsEmpty]: Start isEmpty. Operand 2230 states and 2563 transitions. [2019-11-19 23:53:31,671 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 232 [2019-11-19 23:53:31,671 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:53:31,685 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:53:31,820 INFO L134 CoverageAnalysis]: Checked inductivity of 219 backedges. 149 proven. 3 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2019-11-19 23:53:33,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:53:33,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2580 states to 2246 states and 2580 transitions. [2019-11-19 23:53:33,500 INFO L276 IsEmpty]: Start isEmpty. Operand 2246 states and 2580 transitions. [2019-11-19 23:53:33,501 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 237 [2019-11-19 23:53:33,501 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:53:33,517 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:53:33,566 INFO L134 CoverageAnalysis]: Checked inductivity of 270 backedges. 238 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2019-11-19 23:53:34,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:53:34,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2596 states to 2259 states and 2596 transitions. [2019-11-19 23:53:34,011 INFO L276 IsEmpty]: Start isEmpty. Operand 2259 states and 2596 transitions. [2019-11-19 23:53:34,012 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 241 [2019-11-19 23:53:34,012 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:53:34,026 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:53:34,114 INFO L134 CoverageAnalysis]: Checked inductivity of 236 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 206 trivial. 0 not checked. [2019-11-19 23:53:35,029 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:53:35,030 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2608 states to 2271 states and 2608 transitions. [2019-11-19 23:53:35,030 INFO L276 IsEmpty]: Start isEmpty. Operand 2271 states and 2608 transitions. [2019-11-19 23:53:35,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 241 [2019-11-19 23:53:35,032 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:53:35,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:53:35,158 INFO L134 CoverageAnalysis]: Checked inductivity of 236 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 206 trivial. 0 not checked. [2019-11-19 23:53:36,087 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:53:36,088 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2620 states to 2283 states and 2620 transitions. [2019-11-19 23:53:36,088 INFO L276 IsEmpty]: Start isEmpty. Operand 2283 states and 2620 transitions. [2019-11-19 23:53:36,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 241 [2019-11-19 23:53:36,089 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:53:36,103 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:53:36,214 INFO L134 CoverageAnalysis]: Checked inductivity of 236 backedges. 0 proven. 30 refuted. 0 times theorem prover too weak. 206 trivial. 0 not checked. [2019-11-19 23:53:36,845 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:53:36,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2629 states to 2293 states and 2629 transitions. [2019-11-19 23:53:36,846 INFO L276 IsEmpty]: Start isEmpty. Operand 2293 states and 2629 transitions. [2019-11-19 23:53:36,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 250 [2019-11-19 23:53:36,847 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:53:36,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:53:36,966 INFO L134 CoverageAnalysis]: Checked inductivity of 295 backedges. 195 proven. 10 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2019-11-19 23:53:37,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:53:37,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2649 states to 2312 states and 2649 transitions. [2019-11-19 23:53:37,686 INFO L276 IsEmpty]: Start isEmpty. Operand 2312 states and 2649 transitions. [2019-11-19 23:53:37,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 250 [2019-11-19 23:53:37,688 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:53:37,705 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:53:37,808 INFO L134 CoverageAnalysis]: Checked inductivity of 295 backedges. 195 proven. 10 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2019-11-19 23:53:38,268 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:53:38,269 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2651 states to 2314 states and 2651 transitions. [2019-11-19 23:53:38,270 INFO L276 IsEmpty]: Start isEmpty. Operand 2314 states and 2651 transitions. [2019-11-19 23:53:38,271 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 250 [2019-11-19 23:53:38,271 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:53:38,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:53:38,335 INFO L134 CoverageAnalysis]: Checked inductivity of 294 backedges. 265 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2019-11-19 23:53:38,578 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:53:38,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2659 states to 2323 states and 2659 transitions. [2019-11-19 23:53:38,579 INFO L276 IsEmpty]: Start isEmpty. Operand 2323 states and 2659 transitions. [2019-11-19 23:53:38,580 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 253 [2019-11-19 23:53:38,580 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:53:38,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:53:38,660 INFO L134 CoverageAnalysis]: Checked inductivity of 302 backedges. 223 proven. 0 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2019-11-19 23:53:39,424 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:53:39,425 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2688 states to 2349 states and 2688 transitions. [2019-11-19 23:53:39,425 INFO L276 IsEmpty]: Start isEmpty. Operand 2349 states and 2688 transitions. [2019-11-19 23:53:39,427 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 254 [2019-11-19 23:53:39,427 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:53:39,447 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:53:39,682 INFO L134 CoverageAnalysis]: Checked inductivity of 298 backedges. 171 proven. 15 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2019-11-19 23:53:39,810 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:53:39,811 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2692 states to 2353 states and 2692 transitions. [2019-11-19 23:53:39,811 INFO L276 IsEmpty]: Start isEmpty. Operand 2353 states and 2692 transitions. [2019-11-19 23:53:39,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 254 [2019-11-19 23:53:39,813 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:53:39,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:53:39,996 INFO L134 CoverageAnalysis]: Checked inductivity of 298 backedges. 171 proven. 15 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2019-11-19 23:53:40,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:53:40,631 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2693 states to 2354 states and 2693 transitions. [2019-11-19 23:53:40,631 INFO L276 IsEmpty]: Start isEmpty. Operand 2354 states and 2693 transitions. [2019-11-19 23:53:40,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 254 [2019-11-19 23:53:40,633 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:53:40,666 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:53:40,822 INFO L134 CoverageAnalysis]: Checked inductivity of 298 backedges. 171 proven. 15 refuted. 0 times theorem prover too weak. 112 trivial. 0 not checked. [2019-11-19 23:53:41,344 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:53:41,345 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2708 states to 2369 states and 2708 transitions. [2019-11-19 23:53:41,345 INFO L276 IsEmpty]: Start isEmpty. Operand 2369 states and 2708 transitions. [2019-11-19 23:53:41,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 259 [2019-11-19 23:53:41,347 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:53:41,362 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:53:41,580 INFO L134 CoverageAnalysis]: Checked inductivity of 307 backedges. 228 proven. 4 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2019-11-19 23:53:43,509 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:53:43,510 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2736 states to 2394 states and 2736 transitions. [2019-11-19 23:53:43,510 INFO L276 IsEmpty]: Start isEmpty. Operand 2394 states and 2736 transitions. [2019-11-19 23:53:43,512 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 259 [2019-11-19 23:53:43,512 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:53:43,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:53:44,409 INFO L134 CoverageAnalysis]: Checked inductivity of 302 backedges. 272 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2019-11-19 23:53:46,099 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:53:46,101 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2755 states to 2410 states and 2755 transitions. [2019-11-19 23:53:46,101 INFO L276 IsEmpty]: Start isEmpty. Operand 2410 states and 2755 transitions. [2019-11-19 23:53:46,103 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 260 [2019-11-19 23:53:46,103 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:53:46,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:53:46,338 INFO L134 CoverageAnalysis]: Checked inductivity of 292 backedges. 176 proven. 6 refuted. 0 times theorem prover too weak. 110 trivial. 0 not checked. [2019-11-19 23:53:48,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:53:48,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2812 states to 2460 states and 2812 transitions. [2019-11-19 23:53:48,361 INFO L276 IsEmpty]: Start isEmpty. Operand 2460 states and 2812 transitions. [2019-11-19 23:53:48,363 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 260 [2019-11-19 23:53:48,363 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:53:48,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:53:48,482 INFO L134 CoverageAnalysis]: Checked inductivity of 292 backedges. 176 proven. 6 refuted. 0 times theorem prover too weak. 110 trivial. 0 not checked. [2019-11-19 23:53:51,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:53:51,940 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2861 states to 2506 states and 2861 transitions. [2019-11-19 23:53:51,940 INFO L276 IsEmpty]: Start isEmpty. Operand 2506 states and 2861 transitions. [2019-11-19 23:53:51,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 260 [2019-11-19 23:53:51,942 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:53:51,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:53:52,060 INFO L134 CoverageAnalysis]: Checked inductivity of 292 backedges. 176 proven. 6 refuted. 0 times theorem prover too weak. 110 trivial. 0 not checked. [2019-11-19 23:53:54,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:53:54,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2889 states to 2532 states and 2889 transitions. [2019-11-19 23:53:54,896 INFO L276 IsEmpty]: Start isEmpty. Operand 2532 states and 2889 transitions. [2019-11-19 23:53:54,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 260 [2019-11-19 23:53:54,897 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:53:54,913 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:53:55,020 INFO L134 CoverageAnalysis]: Checked inductivity of 292 backedges. 176 proven. 6 refuted. 0 times theorem prover too weak. 110 trivial. 0 not checked. [2019-11-19 23:53:56,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:53:56,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2932 states to 2576 states and 2932 transitions. [2019-11-19 23:53:56,252 INFO L276 IsEmpty]: Start isEmpty. Operand 2576 states and 2932 transitions. [2019-11-19 23:53:56,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 260 [2019-11-19 23:53:56,253 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:53:56,268 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:53:56,377 INFO L134 CoverageAnalysis]: Checked inductivity of 292 backedges. 176 proven. 6 refuted. 0 times theorem prover too weak. 110 trivial. 0 not checked. [2019-11-19 23:53:57,000 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:53:57,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2974 states to 2620 states and 2974 transitions. [2019-11-19 23:53:57,002 INFO L276 IsEmpty]: Start isEmpty. Operand 2620 states and 2974 transitions. [2019-11-19 23:53:57,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 260 [2019-11-19 23:53:57,003 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:53:57,018 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:53:57,112 INFO L134 CoverageAnalysis]: Checked inductivity of 292 backedges. 176 proven. 6 refuted. 0 times theorem prover too weak. 110 trivial. 0 not checked. [2019-11-19 23:53:57,656 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:53:57,657 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2980 states to 2627 states and 2980 transitions. [2019-11-19 23:53:57,657 INFO L276 IsEmpty]: Start isEmpty. Operand 2627 states and 2980 transitions. [2019-11-19 23:53:57,658 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 260 [2019-11-19 23:53:57,659 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:53:57,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:53:57,764 INFO L134 CoverageAnalysis]: Checked inductivity of 292 backedges. 176 proven. 6 refuted. 0 times theorem prover too weak. 110 trivial. 0 not checked. [2019-11-19 23:53:58,019 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:53:58,020 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2989 states to 2637 states and 2989 transitions. [2019-11-19 23:53:58,020 INFO L276 IsEmpty]: Start isEmpty. Operand 2637 states and 2989 transitions. [2019-11-19 23:53:58,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 260 [2019-11-19 23:53:58,022 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:53:58,037 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:53:58,119 INFO L134 CoverageAnalysis]: Checked inductivity of 292 backedges. 176 proven. 6 refuted. 0 times theorem prover too weak. 110 trivial. 0 not checked. [2019-11-19 23:53:58,582 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:53:58,583 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2999 states to 2648 states and 2999 transitions. [2019-11-19 23:53:58,583 INFO L276 IsEmpty]: Start isEmpty. Operand 2648 states and 2999 transitions. [2019-11-19 23:53:58,585 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 265 [2019-11-19 23:53:58,585 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:53:58,600 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:53:58,727 INFO L134 CoverageAnalysis]: Checked inductivity of 353 backedges. 303 proven. 4 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2019-11-19 23:53:59,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:53:59,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3030 states to 2677 states and 3030 transitions. [2019-11-19 23:53:59,355 INFO L276 IsEmpty]: Start isEmpty. Operand 2677 states and 3030 transitions. [2019-11-19 23:53:59,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 268 [2019-11-19 23:53:59,357 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:53:59,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:53:59,498 INFO L134 CoverageAnalysis]: Checked inductivity of 324 backedges. 78 proven. 32 refuted. 0 times theorem prover too weak. 214 trivial. 0 not checked. [2019-11-19 23:54:01,406 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:54:01,407 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3048 states to 2693 states and 3048 transitions. [2019-11-19 23:54:01,407 INFO L276 IsEmpty]: Start isEmpty. Operand 2693 states and 3048 transitions. [2019-11-19 23:54:01,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 268 [2019-11-19 23:54:01,409 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:54:01,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:54:01,566 INFO L134 CoverageAnalysis]: Checked inductivity of 324 backedges. 78 proven. 32 refuted. 0 times theorem prover too weak. 214 trivial. 0 not checked. [2019-11-19 23:54:02,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:54:02,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3049 states to 2694 states and 3049 transitions. [2019-11-19 23:54:02,162 INFO L276 IsEmpty]: Start isEmpty. Operand 2694 states and 3049 transitions. [2019-11-19 23:54:02,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 268 [2019-11-19 23:54:02,164 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:54:02,179 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:54:02,276 INFO L134 CoverageAnalysis]: Checked inductivity of 324 backedges. 78 proven. 32 refuted. 0 times theorem prover too weak. 214 trivial. 0 not checked. [2019-11-19 23:54:03,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:54:03,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3053 states to 2698 states and 3053 transitions. [2019-11-19 23:54:03,096 INFO L276 IsEmpty]: Start isEmpty. Operand 2698 states and 3053 transitions. [2019-11-19 23:54:03,097 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 268 [2019-11-19 23:54:03,097 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:54:03,113 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:54:03,543 INFO L134 CoverageAnalysis]: Checked inductivity of 365 backedges. 286 proven. 0 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2019-11-19 23:54:04,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:54:04,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3060 states to 2704 states and 3060 transitions. [2019-11-19 23:54:04,759 INFO L276 IsEmpty]: Start isEmpty. Operand 2704 states and 3060 transitions. [2019-11-19 23:54:04,761 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 272 [2019-11-19 23:54:04,761 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:54:04,775 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:54:04,983 INFO L134 CoverageAnalysis]: Checked inductivity of 353 backedges. 307 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2019-11-19 23:54:05,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:54:05,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3074 states to 2717 states and 3074 transitions. [2019-11-19 23:54:05,941 INFO L276 IsEmpty]: Start isEmpty. Operand 2717 states and 3074 transitions. [2019-11-19 23:54:05,942 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 272 [2019-11-19 23:54:05,943 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:54:05,957 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:54:06,092 INFO L134 CoverageAnalysis]: Checked inductivity of 353 backedges. 307 proven. 0 refuted. 0 times theorem prover too weak. 46 trivial. 0 not checked. [2019-11-19 23:54:06,389 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:54:06,391 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3084 states to 2728 states and 3084 transitions. [2019-11-19 23:54:06,391 INFO L276 IsEmpty]: Start isEmpty. Operand 2728 states and 3084 transitions. [2019-11-19 23:54:06,392 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 274 [2019-11-19 23:54:06,392 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:54:06,403 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:54:06,458 INFO L134 CoverageAnalysis]: Checked inductivity of 377 backedges. 242 proven. 0 refuted. 0 times theorem prover too weak. 135 trivial. 0 not checked. [2019-11-19 23:54:06,542 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:54:06,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3100 states to 2744 states and 3100 transitions. [2019-11-19 23:54:06,543 INFO L276 IsEmpty]: Start isEmpty. Operand 2744 states and 3100 transitions. [2019-11-19 23:54:06,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 278 [2019-11-19 23:54:06,545 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:54:06,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:54:06,791 INFO L134 CoverageAnalysis]: Checked inductivity of 377 backedges. 329 proven. 4 refuted. 0 times theorem prover too weak. 44 trivial. 0 not checked. [2019-11-19 23:54:07,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:54:07,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3126 states to 2771 states and 3126 transitions. [2019-11-19 23:54:07,125 INFO L276 IsEmpty]: Start isEmpty. Operand 2771 states and 3126 transitions. [2019-11-19 23:54:07,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 280 [2019-11-19 23:54:07,126 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:54:07,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:54:07,206 INFO L134 CoverageAnalysis]: Checked inductivity of 362 backedges. 244 proven. 0 refuted. 0 times theorem prover too weak. 118 trivial. 0 not checked. [2019-11-19 23:54:07,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:54:07,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3137 states to 2781 states and 3137 transitions. [2019-11-19 23:54:07,479 INFO L276 IsEmpty]: Start isEmpty. Operand 2781 states and 3137 transitions. [2019-11-19 23:54:07,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 280 [2019-11-19 23:54:07,481 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:54:07,496 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:54:07,560 INFO L134 CoverageAnalysis]: Checked inductivity of 362 backedges. 244 proven. 0 refuted. 0 times theorem prover too weak. 118 trivial. 0 not checked. [2019-11-19 23:54:07,844 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:54:07,846 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3137 states to 2782 states and 3137 transitions. [2019-11-19 23:54:07,846 INFO L276 IsEmpty]: Start isEmpty. Operand 2782 states and 3137 transitions. [2019-11-19 23:54:07,847 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 280 [2019-11-19 23:54:07,847 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:54:07,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:54:07,926 INFO L134 CoverageAnalysis]: Checked inductivity of 362 backedges. 244 proven. 0 refuted. 0 times theorem prover too weak. 118 trivial. 0 not checked. [2019-11-19 23:54:08,570 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:54:08,572 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3147 states to 2792 states and 3147 transitions. [2019-11-19 23:54:08,572 INFO L276 IsEmpty]: Start isEmpty. Operand 2792 states and 3147 transitions. [2019-11-19 23:54:08,573 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 280 [2019-11-19 23:54:08,573 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:54:08,589 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:54:08,652 INFO L134 CoverageAnalysis]: Checked inductivity of 362 backedges. 244 proven. 0 refuted. 0 times theorem prover too weak. 118 trivial. 0 not checked. [2019-11-19 23:54:09,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:54:09,124 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3161 states to 2806 states and 3161 transitions. [2019-11-19 23:54:09,124 INFO L276 IsEmpty]: Start isEmpty. Operand 2806 states and 3161 transitions. [2019-11-19 23:54:09,126 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 285 [2019-11-19 23:54:09,126 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:54:09,141 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:54:10,441 INFO L134 CoverageAnalysis]: Checked inductivity of 445 backedges. 306 proven. 68 refuted. 0 times theorem prover too weak. 71 trivial. 0 not checked. [2019-11-19 23:54:15,470 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:54:15,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3222 states to 2854 states and 3222 transitions. [2019-11-19 23:54:15,471 INFO L276 IsEmpty]: Start isEmpty. Operand 2854 states and 3222 transitions. [2019-11-19 23:54:15,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 287 [2019-11-19 23:54:15,473 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:54:15,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:54:15,636 INFO L134 CoverageAnalysis]: Checked inductivity of 407 backedges. 281 proven. 8 refuted. 0 times theorem prover too weak. 118 trivial. 0 not checked. [2019-11-19 23:54:16,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:54:16,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3222 states to 2855 states and 3222 transitions. [2019-11-19 23:54:16,035 INFO L276 IsEmpty]: Start isEmpty. Operand 2855 states and 3222 transitions. [2019-11-19 23:54:16,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 287 [2019-11-19 23:54:16,038 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:54:16,061 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:54:16,243 INFO L134 CoverageAnalysis]: Checked inductivity of 412 backedges. 205 proven. 15 refuted. 0 times theorem prover too weak. 192 trivial. 0 not checked. [2019-11-19 23:54:18,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:54:18,343 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3283 states to 2911 states and 3283 transitions. [2019-11-19 23:54:18,343 INFO L276 IsEmpty]: Start isEmpty. Operand 2911 states and 3283 transitions. [2019-11-19 23:54:18,345 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 287 [2019-11-19 23:54:18,345 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:54:18,360 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:54:18,489 INFO L134 CoverageAnalysis]: Checked inductivity of 412 backedges. 205 proven. 15 refuted. 0 times theorem prover too weak. 192 trivial. 0 not checked. [2019-11-19 23:54:18,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:54:18,593 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3284 states to 2913 states and 3284 transitions. [2019-11-19 23:54:18,593 INFO L276 IsEmpty]: Start isEmpty. Operand 2913 states and 3284 transitions. [2019-11-19 23:54:18,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 291 [2019-11-19 23:54:18,595 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:54:18,610 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:54:20,094 INFO L134 CoverageAnalysis]: Checked inductivity of 444 backedges. 304 proven. 61 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2019-11-19 23:54:24,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:54:24,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3329 states to 2952 states and 3329 transitions. [2019-11-19 23:54:24,505 INFO L276 IsEmpty]: Start isEmpty. Operand 2952 states and 3329 transitions. [2019-11-19 23:54:24,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 301 [2019-11-19 23:54:24,507 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:54:24,523 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:54:24,595 INFO L134 CoverageAnalysis]: Checked inductivity of 438 backedges. 278 proven. 0 refuted. 0 times theorem prover too weak. 160 trivial. 0 not checked. [2019-11-19 23:54:25,865 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:54:25,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3349 states to 2972 states and 3349 transitions. [2019-11-19 23:54:25,867 INFO L276 IsEmpty]: Start isEmpty. Operand 2972 states and 3349 transitions. [2019-11-19 23:54:25,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 303 [2019-11-19 23:54:25,869 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:54:25,884 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:54:26,217 INFO L134 CoverageAnalysis]: Checked inductivity of 450 backedges. 360 proven. 0 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2019-11-19 23:54:28,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:54:28,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3383 states to 2995 states and 3383 transitions. [2019-11-19 23:54:28,733 INFO L276 IsEmpty]: Start isEmpty. Operand 2995 states and 3383 transitions. [2019-11-19 23:54:28,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 306 [2019-11-19 23:54:28,734 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:54:28,750 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:54:29,022 INFO L134 CoverageAnalysis]: Checked inductivity of 448 backedges. 369 proven. 4 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2019-11-19 23:54:30,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:54:30,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3399 states to 3006 states and 3399 transitions. [2019-11-19 23:54:30,653 INFO L276 IsEmpty]: Start isEmpty. Operand 3006 states and 3399 transitions. [2019-11-19 23:54:30,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 306 [2019-11-19 23:54:30,654 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:54:30,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:54:30,908 INFO L134 CoverageAnalysis]: Checked inductivity of 448 backedges. 369 proven. 4 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2019-11-19 23:54:32,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:54:32,635 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3415 states to 3021 states and 3415 transitions. [2019-11-19 23:54:32,635 INFO L276 IsEmpty]: Start isEmpty. Operand 3021 states and 3415 transitions. [2019-11-19 23:54:32,637 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 306 [2019-11-19 23:54:32,637 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:54:32,655 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:54:33,007 INFO L134 CoverageAnalysis]: Checked inductivity of 448 backedges. 369 proven. 4 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2019-11-19 23:54:34,385 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:54:34,386 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3440 states to 3044 states and 3440 transitions. [2019-11-19 23:54:34,387 INFO L276 IsEmpty]: Start isEmpty. Operand 3044 states and 3440 transitions. [2019-11-19 23:54:34,388 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 306 [2019-11-19 23:54:34,389 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:54:34,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:54:34,640 INFO L134 CoverageAnalysis]: Checked inductivity of 448 backedges. 369 proven. 4 refuted. 0 times theorem prover too weak. 75 trivial. 0 not checked. [2019-11-19 23:54:34,807 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:54:34,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3441 states to 3046 states and 3441 transitions. [2019-11-19 23:54:34,808 INFO L276 IsEmpty]: Start isEmpty. Operand 3046 states and 3441 transitions. [2019-11-19 23:54:34,810 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 312 [2019-11-19 23:54:34,810 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:54:34,825 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:54:35,006 INFO L134 CoverageAnalysis]: Checked inductivity of 448 backedges. 228 proven. 6 refuted. 0 times theorem prover too weak. 214 trivial. 0 not checked. [2019-11-19 23:54:36,862 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:54:36,864 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3454 states to 3060 states and 3454 transitions. [2019-11-19 23:54:36,864 INFO L276 IsEmpty]: Start isEmpty. Operand 3060 states and 3454 transitions. [2019-11-19 23:54:36,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 312 [2019-11-19 23:54:36,866 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:54:36,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:54:37,146 INFO L134 CoverageAnalysis]: Checked inductivity of 448 backedges. 228 proven. 6 refuted. 0 times theorem prover too weak. 214 trivial. 0 not checked. [2019-11-19 23:54:38,046 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:54:38,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3458 states to 3063 states and 3458 transitions. [2019-11-19 23:54:38,048 INFO L276 IsEmpty]: Start isEmpty. Operand 3063 states and 3458 transitions. [2019-11-19 23:54:38,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 312 [2019-11-19 23:54:38,050 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:54:38,065 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:54:38,246 INFO L134 CoverageAnalysis]: Checked inductivity of 448 backedges. 228 proven. 6 refuted. 0 times theorem prover too weak. 214 trivial. 0 not checked. [2019-11-19 23:54:38,399 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:54:38,400 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3459 states to 3065 states and 3459 transitions. [2019-11-19 23:54:38,400 INFO L276 IsEmpty]: Start isEmpty. Operand 3065 states and 3459 transitions. [2019-11-19 23:54:38,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 312 [2019-11-19 23:54:38,402 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:54:38,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:54:38,597 INFO L134 CoverageAnalysis]: Checked inductivity of 448 backedges. 228 proven. 6 refuted. 0 times theorem prover too weak. 214 trivial. 0 not checked. [2019-11-19 23:54:39,153 WARN L191 SmtUtils]: Spent 180.00 ms on a formula simplification that was a NOOP. DAG size: 19 [2019-11-19 23:54:39,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:54:39,377 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3460 states to 3066 states and 3460 transitions. [2019-11-19 23:54:39,377 INFO L276 IsEmpty]: Start isEmpty. Operand 3066 states and 3460 transitions. [2019-11-19 23:54:39,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 312 [2019-11-19 23:54:39,379 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:54:39,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:54:39,614 INFO L134 CoverageAnalysis]: Checked inductivity of 448 backedges. 228 proven. 6 refuted. 0 times theorem prover too weak. 214 trivial. 0 not checked. [2019-11-19 23:54:40,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:54:40,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3474 states to 3080 states and 3474 transitions. [2019-11-19 23:54:40,708 INFO L276 IsEmpty]: Start isEmpty. Operand 3080 states and 3474 transitions. [2019-11-19 23:54:40,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 312 [2019-11-19 23:54:40,710 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:54:40,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:54:40,929 INFO L134 CoverageAnalysis]: Checked inductivity of 448 backedges. 228 proven. 6 refuted. 0 times theorem prover too weak. 214 trivial. 0 not checked. [2019-11-19 23:54:41,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:54:41,093 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3475 states to 3082 states and 3475 transitions. [2019-11-19 23:54:41,093 INFO L276 IsEmpty]: Start isEmpty. Operand 3082 states and 3475 transitions. [2019-11-19 23:54:41,095 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 315 [2019-11-19 23:54:41,095 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:54:41,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:54:41,711 INFO L134 CoverageAnalysis]: Checked inductivity of 465 backedges. 375 proven. 0 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2019-11-19 23:54:45,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:54:45,506 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3546 states to 3150 states and 3546 transitions. [2019-11-19 23:54:45,506 INFO L276 IsEmpty]: Start isEmpty. Operand 3150 states and 3546 transitions. [2019-11-19 23:54:45,508 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 315 [2019-11-19 23:54:45,508 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:54:45,524 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:54:45,733 INFO L134 CoverageAnalysis]: Checked inductivity of 465 backedges. 375 proven. 0 refuted. 0 times theorem prover too weak. 90 trivial. 0 not checked. [2019-11-19 23:54:46,235 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:54:46,237 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3555 states to 3160 states and 3555 transitions. [2019-11-19 23:54:46,237 INFO L276 IsEmpty]: Start isEmpty. Operand 3160 states and 3555 transitions. [2019-11-19 23:54:46,239 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 316 [2019-11-19 23:54:46,239 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:54:46,256 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:54:46,354 INFO L134 CoverageAnalysis]: Checked inductivity of 494 backedges. 359 proven. 0 refuted. 0 times theorem prover too weak. 135 trivial. 0 not checked. [2019-11-19 23:54:46,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:54:46,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3576 states to 3180 states and 3576 transitions. [2019-11-19 23:54:46,966 INFO L276 IsEmpty]: Start isEmpty. Operand 3180 states and 3576 transitions. [2019-11-19 23:54:46,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 316 [2019-11-19 23:54:46,969 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:54:46,991 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:54:47,263 INFO L134 CoverageAnalysis]: Checked inductivity of 494 backedges. 359 proven. 0 refuted. 0 times theorem prover too weak. 135 trivial. 0 not checked. [2019-11-19 23:54:47,607 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:54:47,609 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3584 states to 3189 states and 3584 transitions. [2019-11-19 23:54:47,609 INFO L276 IsEmpty]: Start isEmpty. Operand 3189 states and 3584 transitions. [2019-11-19 23:54:47,612 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 317 [2019-11-19 23:54:47,612 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:54:47,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:54:47,713 INFO L134 CoverageAnalysis]: Checked inductivity of 504 backedges. 369 proven. 0 refuted. 0 times theorem prover too weak. 135 trivial. 0 not checked. [2019-11-19 23:54:47,794 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:54:47,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3593 states to 3198 states and 3593 transitions. [2019-11-19 23:54:47,796 INFO L276 IsEmpty]: Start isEmpty. Operand 3198 states and 3593 transitions. [2019-11-19 23:54:47,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 317 [2019-11-19 23:54:47,798 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:54:47,814 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:54:47,898 INFO L134 CoverageAnalysis]: Checked inductivity of 504 backedges. 369 proven. 0 refuted. 0 times theorem prover too weak. 135 trivial. 0 not checked. [2019-11-19 23:54:48,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:54:48,969 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3600 states to 3203 states and 3600 transitions. [2019-11-19 23:54:48,969 INFO L276 IsEmpty]: Start isEmpty. Operand 3203 states and 3600 transitions. [2019-11-19 23:54:48,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 317 [2019-11-19 23:54:48,972 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:54:48,989 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:54:49,073 INFO L134 CoverageAnalysis]: Checked inductivity of 504 backedges. 369 proven. 0 refuted. 0 times theorem prover too weak. 135 trivial. 0 not checked. [2019-11-19 23:54:50,206 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:54:50,208 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3633 states to 3234 states and 3633 transitions. [2019-11-19 23:54:50,208 INFO L276 IsEmpty]: Start isEmpty. Operand 3234 states and 3633 transitions. [2019-11-19 23:54:50,210 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 317 [2019-11-19 23:54:50,210 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:54:50,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:54:50,325 INFO L134 CoverageAnalysis]: Checked inductivity of 504 backedges. 369 proven. 0 refuted. 0 times theorem prover too weak. 135 trivial. 0 not checked. [2019-11-19 23:54:50,644 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:54:50,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3637 states to 3238 states and 3637 transitions. [2019-11-19 23:54:50,646 INFO L276 IsEmpty]: Start isEmpty. Operand 3238 states and 3637 transitions. [2019-11-19 23:54:50,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 317 [2019-11-19 23:54:50,648 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:54:50,665 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:54:50,749 INFO L134 CoverageAnalysis]: Checked inductivity of 504 backedges. 369 proven. 0 refuted. 0 times theorem prover too weak. 135 trivial. 0 not checked. [2019-11-19 23:54:51,039 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:54:51,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3641 states to 3243 states and 3641 transitions. [2019-11-19 23:54:51,040 INFO L276 IsEmpty]: Start isEmpty. Operand 3243 states and 3641 transitions. [2019-11-19 23:54:51,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 317 [2019-11-19 23:54:51,043 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:54:51,059 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:54:51,166 INFO L134 CoverageAnalysis]: Checked inductivity of 504 backedges. 369 proven. 0 refuted. 0 times theorem prover too weak. 135 trivial. 0 not checked. [2019-11-19 23:54:51,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:54:51,489 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3645 states to 3248 states and 3645 transitions. [2019-11-19 23:54:51,489 INFO L276 IsEmpty]: Start isEmpty. Operand 3248 states and 3645 transitions. [2019-11-19 23:54:51,491 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 317 [2019-11-19 23:54:51,491 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:54:51,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:54:51,591 INFO L134 CoverageAnalysis]: Checked inductivity of 504 backedges. 369 proven. 0 refuted. 0 times theorem prover too weak. 135 trivial. 0 not checked. [2019-11-19 23:54:51,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:54:51,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3647 states to 3251 states and 3647 transitions. [2019-11-19 23:54:51,651 INFO L276 IsEmpty]: Start isEmpty. Operand 3251 states and 3647 transitions. [2019-11-19 23:54:51,653 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 321 [2019-11-19 23:54:51,653 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:54:51,670 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:54:51,805 INFO L134 CoverageAnalysis]: Checked inductivity of 474 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 429 trivial. 0 not checked. [2019-11-19 23:54:53,744 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:54:53,746 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3663 states to 3267 states and 3663 transitions. [2019-11-19 23:54:53,746 INFO L276 IsEmpty]: Start isEmpty. Operand 3267 states and 3663 transitions. [2019-11-19 23:54:53,748 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 321 [2019-11-19 23:54:53,748 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:54:53,765 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:54:53,911 INFO L134 CoverageAnalysis]: Checked inductivity of 474 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 429 trivial. 0 not checked. [2019-11-19 23:54:54,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:54:54,576 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3674 states to 3278 states and 3674 transitions. [2019-11-19 23:54:54,576 INFO L276 IsEmpty]: Start isEmpty. Operand 3278 states and 3674 transitions. [2019-11-19 23:54:54,578 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 321 [2019-11-19 23:54:54,578 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:54:54,595 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:54:54,730 INFO L134 CoverageAnalysis]: Checked inductivity of 474 backedges. 0 proven. 45 refuted. 0 times theorem prover too weak. 429 trivial. 0 not checked. [2019-11-19 23:54:55,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:54:55,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3678 states to 3282 states and 3678 transitions. [2019-11-19 23:54:55,479 INFO L276 IsEmpty]: Start isEmpty. Operand 3282 states and 3678 transitions. [2019-11-19 23:54:55,481 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 330 [2019-11-19 23:54:55,481 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:54:55,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:54:55,594 INFO L134 CoverageAnalysis]: Checked inductivity of 541 backedges. 441 proven. 0 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2019-11-19 23:54:56,273 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:54:56,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3703 states to 3307 states and 3703 transitions. [2019-11-19 23:54:56,275 INFO L276 IsEmpty]: Start isEmpty. Operand 3307 states and 3703 transitions. [2019-11-19 23:54:56,277 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 330 [2019-11-19 23:54:56,277 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:54:56,293 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:54:56,380 INFO L134 CoverageAnalysis]: Checked inductivity of 541 backedges. 441 proven. 0 refuted. 0 times theorem prover too weak. 100 trivial. 0 not checked. [2019-11-19 23:54:56,515 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:54:56,517 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3729 states to 3334 states and 3729 transitions. [2019-11-19 23:54:56,517 INFO L276 IsEmpty]: Start isEmpty. Operand 3334 states and 3729 transitions. [2019-11-19 23:54:56,519 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 339 [2019-11-19 23:54:56,519 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:54:56,538 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:54:56,809 INFO L134 CoverageAnalysis]: Checked inductivity of 563 backedges. 333 proven. 8 refuted. 0 times theorem prover too weak. 222 trivial. 0 not checked. [2019-11-19 23:54:57,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:54:57,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3733 states to 3339 states and 3733 transitions. [2019-11-19 23:54:57,359 INFO L276 IsEmpty]: Start isEmpty. Operand 3339 states and 3733 transitions. [2019-11-19 23:54:57,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 340 [2019-11-19 23:54:57,361 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:54:57,382 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:54:57,511 INFO L134 CoverageAnalysis]: Checked inductivity of 549 backedges. 255 proven. 9 refuted. 0 times theorem prover too weak. 285 trivial. 0 not checked. [2019-11-19 23:55:02,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:55:02,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3781 states to 3386 states and 3781 transitions. [2019-11-19 23:55:02,613 INFO L276 IsEmpty]: Start isEmpty. Operand 3386 states and 3781 transitions. [2019-11-19 23:55:02,615 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 340 [2019-11-19 23:55:02,616 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:55:02,635 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:55:02,762 INFO L134 CoverageAnalysis]: Checked inductivity of 549 backedges. 255 proven. 9 refuted. 0 times theorem prover too weak. 285 trivial. 0 not checked. [2019-11-19 23:55:03,499 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:55:03,501 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3790 states to 3396 states and 3790 transitions. [2019-11-19 23:55:03,501 INFO L276 IsEmpty]: Start isEmpty. Operand 3396 states and 3790 transitions. [2019-11-19 23:55:03,503 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 345 [2019-11-19 23:55:03,503 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:55:03,520 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:55:05,547 INFO L134 CoverageAnalysis]: Checked inductivity of 615 backedges. 479 proven. 0 refuted. 0 times theorem prover too weak. 136 trivial. 0 not checked. [2019-11-19 23:55:09,306 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:55:09,308 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3814 states to 3419 states and 3814 transitions. [2019-11-19 23:55:09,309 INFO L276 IsEmpty]: Start isEmpty. Operand 3419 states and 3814 transitions. [2019-11-19 23:55:09,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 358 [2019-11-19 23:55:09,312 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:55:09,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:55:09,546 INFO L134 CoverageAnalysis]: Checked inductivity of 652 backedges. 503 proven. 0 refuted. 0 times theorem prover too weak. 149 trivial. 0 not checked. [2019-11-19 23:55:11,387 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:55:11,389 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3871 states to 3476 states and 3871 transitions. [2019-11-19 23:55:11,389 INFO L276 IsEmpty]: Start isEmpty. Operand 3476 states and 3871 transitions. [2019-11-19 23:55:11,391 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 367 [2019-11-19 23:55:11,392 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:55:11,413 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:55:11,773 INFO L134 CoverageAnalysis]: Checked inductivity of 691 backedges. 386 proven. 12 refuted. 0 times theorem prover too weak. 293 trivial. 0 not checked. [2019-11-19 23:55:12,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:55:12,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3877 states to 3483 states and 3877 transitions. [2019-11-19 23:55:12,430 INFO L276 IsEmpty]: Start isEmpty. Operand 3483 states and 3877 transitions. [2019-11-19 23:55:12,433 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 367 [2019-11-19 23:55:12,433 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:55:12,454 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:55:12,672 INFO L134 CoverageAnalysis]: Checked inductivity of 691 backedges. 386 proven. 12 refuted. 0 times theorem prover too weak. 293 trivial. 0 not checked. [2019-11-19 23:55:13,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:55:13,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3881 states to 3487 states and 3881 transitions. [2019-11-19 23:55:13,177 INFO L276 IsEmpty]: Start isEmpty. Operand 3487 states and 3881 transitions. [2019-11-19 23:55:13,179 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 367 [2019-11-19 23:55:13,179 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:55:13,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:55:13,356 INFO L134 CoverageAnalysis]: Checked inductivity of 691 backedges. 386 proven. 12 refuted. 0 times theorem prover too weak. 293 trivial. 0 not checked. [2019-11-19 23:55:15,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:55:15,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3913 states to 3522 states and 3913 transitions. [2019-11-19 23:55:15,355 INFO L276 IsEmpty]: Start isEmpty. Operand 3522 states and 3913 transitions. [2019-11-19 23:55:15,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 367 [2019-11-19 23:55:15,357 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:55:15,378 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:55:15,547 INFO L134 CoverageAnalysis]: Checked inductivity of 691 backedges. 386 proven. 12 refuted. 0 times theorem prover too weak. 293 trivial. 0 not checked. [2019-11-19 23:55:15,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:55:15,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3913 states to 3523 states and 3913 transitions. [2019-11-19 23:55:15,862 INFO L276 IsEmpty]: Start isEmpty. Operand 3523 states and 3913 transitions. [2019-11-19 23:55:15,864 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 367 [2019-11-19 23:55:15,865 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:55:15,886 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:55:16,042 INFO L134 CoverageAnalysis]: Checked inductivity of 691 backedges. 386 proven. 12 refuted. 0 times theorem prover too weak. 293 trivial. 0 not checked. [2019-11-19 23:55:16,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:55:16,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3913 states to 3524 states and 3913 transitions. [2019-11-19 23:55:16,503 INFO L276 IsEmpty]: Start isEmpty. Operand 3524 states and 3913 transitions. [2019-11-19 23:55:16,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 367 [2019-11-19 23:55:16,505 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:55:16,526 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:55:16,713 INFO L134 CoverageAnalysis]: Checked inductivity of 696 backedges. 284 proven. 20 refuted. 0 times theorem prover too weak. 392 trivial. 0 not checked. [2019-11-19 23:55:16,940 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:55:16,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3942 states to 3554 states and 3942 transitions. [2019-11-19 23:55:16,942 INFO L276 IsEmpty]: Start isEmpty. Operand 3554 states and 3942 transitions. [2019-11-19 23:55:16,944 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 367 [2019-11-19 23:55:16,944 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:55:16,964 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:55:17,151 INFO L134 CoverageAnalysis]: Checked inductivity of 696 backedges. 284 proven. 20 refuted. 0 times theorem prover too weak. 392 trivial. 0 not checked. [2019-11-19 23:55:17,363 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:55:17,365 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3971 states to 3583 states and 3971 transitions. [2019-11-19 23:55:17,365 INFO L276 IsEmpty]: Start isEmpty. Operand 3583 states and 3971 transitions. [2019-11-19 23:55:17,368 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 367 [2019-11-19 23:55:17,368 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:55:17,391 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:55:17,578 INFO L134 CoverageAnalysis]: Checked inductivity of 696 backedges. 284 proven. 20 refuted. 0 times theorem prover too weak. 392 trivial. 0 not checked. [2019-11-19 23:55:17,712 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:55:17,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3974 states to 3587 states and 3974 transitions. [2019-11-19 23:55:17,715 INFO L276 IsEmpty]: Start isEmpty. Operand 3587 states and 3974 transitions. [2019-11-19 23:55:17,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 395 [2019-11-19 23:55:17,718 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:55:17,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:55:17,924 INFO L134 CoverageAnalysis]: Checked inductivity of 824 backedges. 615 proven. 12 refuted. 0 times theorem prover too weak. 197 trivial. 0 not checked. [2019-11-19 23:55:19,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:55:19,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4003 states to 3614 states and 4003 transitions. [2019-11-19 23:55:19,273 INFO L276 IsEmpty]: Start isEmpty. Operand 3614 states and 4003 transitions. [2019-11-19 23:55:19,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 402 [2019-11-19 23:55:19,276 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:55:19,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:55:19,514 INFO L134 CoverageAnalysis]: Checked inductivity of 863 backedges. 654 proven. 0 refuted. 0 times theorem prover too weak. 209 trivial. 0 not checked. [2019-11-19 23:55:20,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:55:20,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4041 states to 3649 states and 4041 transitions. [2019-11-19 23:55:20,890 INFO L276 IsEmpty]: Start isEmpty. Operand 3649 states and 4041 transitions. [2019-11-19 23:55:20,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 402 [2019-11-19 23:55:20,894 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:55:20,912 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:55:21,134 INFO L134 CoverageAnalysis]: Checked inductivity of 863 backedges. 654 proven. 0 refuted. 0 times theorem prover too weak. 209 trivial. 0 not checked. [2019-11-19 23:55:22,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:55:22,008 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4088 states to 3697 states and 4088 transitions. [2019-11-19 23:55:22,008 INFO L276 IsEmpty]: Start isEmpty. Operand 3697 states and 4088 transitions. [2019-11-19 23:55:22,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 404 [2019-11-19 23:55:22,011 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:55:22,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:55:22,140 INFO L134 CoverageAnalysis]: Checked inductivity of 823 backedges. 465 proven. 0 refuted. 0 times theorem prover too weak. 358 trivial. 0 not checked. [2019-11-19 23:55:22,223 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:55:22,225 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4097 states to 3707 states and 4097 transitions. [2019-11-19 23:55:22,225 INFO L276 IsEmpty]: Start isEmpty. Operand 3707 states and 4097 transitions. [2019-11-19 23:55:22,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 407 [2019-11-19 23:55:22,228 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:55:22,246 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:55:22,840 INFO L134 CoverageAnalysis]: Checked inductivity of 888 backedges. 669 proven. 0 refuted. 0 times theorem prover too weak. 219 trivial. 0 not checked. [2019-11-19 23:55:27,065 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:55:27,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4202 states to 3800 states and 4202 transitions. [2019-11-19 23:55:27,067 INFO L276 IsEmpty]: Start isEmpty. Operand 3800 states and 4202 transitions. [2019-11-19 23:55:27,069 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 407 [2019-11-19 23:55:27,069 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:55:27,088 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:55:27,582 INFO L134 CoverageAnalysis]: Checked inductivity of 888 backedges. 669 proven. 0 refuted. 0 times theorem prover too weak. 219 trivial. 0 not checked. [2019-11-19 23:55:29,692 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:55:29,693 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4232 states to 3823 states and 4232 transitions. [2019-11-19 23:55:29,693 INFO L276 IsEmpty]: Start isEmpty. Operand 3823 states and 4232 transitions. [2019-11-19 23:55:29,696 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 409 [2019-11-19 23:55:29,696 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:55:29,714 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:55:30,123 INFO L134 CoverageAnalysis]: Checked inductivity of 910 backedges. 615 proven. 0 refuted. 0 times theorem prover too weak. 295 trivial. 0 not checked. [2019-11-19 23:55:32,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:55:32,924 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4270 states to 3858 states and 4270 transitions. [2019-11-19 23:55:32,924 INFO L276 IsEmpty]: Start isEmpty. Operand 3858 states and 4270 transitions. [2019-11-19 23:55:32,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 431 [2019-11-19 23:55:32,927 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:55:32,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:55:33,214 INFO L134 CoverageAnalysis]: Checked inductivity of 992 backedges. 625 proven. 4 refuted. 0 times theorem prover too weak. 363 trivial. 0 not checked. [2019-11-19 23:55:37,115 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:55:37,116 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4345 states to 3920 states and 4345 transitions. [2019-11-19 23:55:37,117 INFO L276 IsEmpty]: Start isEmpty. Operand 3920 states and 4345 transitions. [2019-11-19 23:55:37,119 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 431 [2019-11-19 23:55:37,119 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:55:37,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:55:37,317 INFO L134 CoverageAnalysis]: Checked inductivity of 992 backedges. 625 proven. 4 refuted. 0 times theorem prover too weak. 363 trivial. 0 not checked. [2019-11-19 23:55:37,860 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:55:37,862 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4349 states to 3924 states and 4349 transitions. [2019-11-19 23:55:37,862 INFO L276 IsEmpty]: Start isEmpty. Operand 3924 states and 4349 transitions. [2019-11-19 23:55:37,865 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 431 [2019-11-19 23:55:37,865 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:55:37,887 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:55:38,125 INFO L134 CoverageAnalysis]: Checked inductivity of 992 backedges. 625 proven. 4 refuted. 0 times theorem prover too weak. 363 trivial. 0 not checked. [2019-11-19 23:55:38,899 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:55:38,901 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4353 states to 3928 states and 4353 transitions. [2019-11-19 23:55:38,901 INFO L276 IsEmpty]: Start isEmpty. Operand 3928 states and 4353 transitions. [2019-11-19 23:55:38,904 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 431 [2019-11-19 23:55:38,904 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:55:38,923 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:55:39,099 INFO L134 CoverageAnalysis]: Checked inductivity of 992 backedges. 625 proven. 4 refuted. 0 times theorem prover too weak. 363 trivial. 0 not checked. [2019-11-19 23:55:43,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:55:43,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4413 states to 3973 states and 4413 transitions. [2019-11-19 23:55:43,732 INFO L276 IsEmpty]: Start isEmpty. Operand 3973 states and 4413 transitions. [2019-11-19 23:55:43,735 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 431 [2019-11-19 23:55:43,735 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:55:43,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:55:43,930 INFO L134 CoverageAnalysis]: Checked inductivity of 992 backedges. 625 proven. 4 refuted. 0 times theorem prover too weak. 363 trivial. 0 not checked. [2019-11-19 23:55:46,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:55:46,652 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4441 states to 3999 states and 4441 transitions. [2019-11-19 23:55:46,652 INFO L276 IsEmpty]: Start isEmpty. Operand 3999 states and 4441 transitions. [2019-11-19 23:55:46,655 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 431 [2019-11-19 23:55:46,655 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:55:46,674 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:55:46,850 INFO L134 CoverageAnalysis]: Checked inductivity of 992 backedges. 625 proven. 4 refuted. 0 times theorem prover too weak. 363 trivial. 0 not checked. [2019-11-19 23:55:48,518 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:55:48,521 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4455 states to 4014 states and 4455 transitions. [2019-11-19 23:55:48,521 INFO L276 IsEmpty]: Start isEmpty. Operand 4014 states and 4455 transitions. [2019-11-19 23:55:48,524 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 431 [2019-11-19 23:55:48,524 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:55:48,543 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:55:48,719 INFO L134 CoverageAnalysis]: Checked inductivity of 992 backedges. 625 proven. 4 refuted. 0 times theorem prover too weak. 363 trivial. 0 not checked. [2019-11-19 23:55:51,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:55:51,110 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4460 states to 4019 states and 4460 transitions. [2019-11-19 23:55:51,110 INFO L276 IsEmpty]: Start isEmpty. Operand 4019 states and 4460 transitions. [2019-11-19 23:55:51,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 431 [2019-11-19 23:55:51,113 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:55:51,132 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:55:51,308 INFO L134 CoverageAnalysis]: Checked inductivity of 992 backedges. 625 proven. 4 refuted. 0 times theorem prover too weak. 363 trivial. 0 not checked. [2019-11-19 23:55:51,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:55:51,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4476 states to 4035 states and 4476 transitions. [2019-11-19 23:55:51,414 INFO L276 IsEmpty]: Start isEmpty. Operand 4035 states and 4476 transitions. [2019-11-19 23:55:51,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 444 [2019-11-19 23:55:51,417 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:55:51,435 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:55:53,021 INFO L134 CoverageAnalysis]: Checked inductivity of 1056 backedges. 658 proven. 103 refuted. 0 times theorem prover too weak. 295 trivial. 0 not checked. [2019-11-19 23:55:59,740 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:55:59,742 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4554 states to 4097 states and 4554 transitions. [2019-11-19 23:55:59,742 INFO L276 IsEmpty]: Start isEmpty. Operand 4097 states and 4554 transitions. [2019-11-19 23:55:59,745 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 444 [2019-11-19 23:55:59,745 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:55:59,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:56:00,093 INFO L134 CoverageAnalysis]: Checked inductivity of 1056 backedges. 658 proven. 103 refuted. 0 times theorem prover too weak. 295 trivial. 0 not checked. [2019-11-19 23:56:03,194 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:56:03,195 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4586 states to 4122 states and 4586 transitions. [2019-11-19 23:56:03,196 INFO L276 IsEmpty]: Start isEmpty. Operand 4122 states and 4586 transitions. [2019-11-19 23:56:03,198 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 444 [2019-11-19 23:56:03,198 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:56:03,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:56:03,547 INFO L134 CoverageAnalysis]: Checked inductivity of 1056 backedges. 658 proven. 103 refuted. 0 times theorem prover too weak. 295 trivial. 0 not checked. [2019-11-19 23:56:06,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:56:06,397 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4612 states to 4143 states and 4612 transitions. [2019-11-19 23:56:06,397 INFO L276 IsEmpty]: Start isEmpty. Operand 4143 states and 4612 transitions. [2019-11-19 23:56:06,400 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 444 [2019-11-19 23:56:06,400 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:56:06,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:56:06,752 INFO L134 CoverageAnalysis]: Checked inductivity of 1056 backedges. 658 proven. 103 refuted. 0 times theorem prover too weak. 295 trivial. 0 not checked. [2019-11-19 23:56:07,799 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:56:07,801 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4620 states to 4148 states and 4620 transitions. [2019-11-19 23:56:07,801 INFO L276 IsEmpty]: Start isEmpty. Operand 4148 states and 4620 transitions. [2019-11-19 23:56:07,804 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 444 [2019-11-19 23:56:07,804 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:56:07,822 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:56:08,154 INFO L134 CoverageAnalysis]: Checked inductivity of 1056 backedges. 658 proven. 103 refuted. 0 times theorem prover too weak. 295 trivial. 0 not checked. [2019-11-19 23:56:09,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:56:09,585 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4641 states to 4166 states and 4641 transitions. [2019-11-19 23:56:09,585 INFO L276 IsEmpty]: Start isEmpty. Operand 4166 states and 4641 transitions. [2019-11-19 23:56:09,588 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 444 [2019-11-19 23:56:09,588 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:56:09,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:56:09,939 INFO L134 CoverageAnalysis]: Checked inductivity of 1056 backedges. 658 proven. 103 refuted. 0 times theorem prover too weak. 295 trivial. 0 not checked. [2019-11-19 23:56:10,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:56:10,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4647 states to 4171 states and 4647 transitions. [2019-11-19 23:56:10,815 INFO L276 IsEmpty]: Start isEmpty. Operand 4171 states and 4647 transitions. [2019-11-19 23:56:10,818 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 444 [2019-11-19 23:56:10,818 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:56:10,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:56:11,419 INFO L134 CoverageAnalysis]: Checked inductivity of 1056 backedges. 658 proven. 103 refuted. 0 times theorem prover too weak. 295 trivial. 0 not checked. [2019-11-19 23:56:13,070 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:56:13,071 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4668 states to 4190 states and 4668 transitions. [2019-11-19 23:56:13,072 INFO L276 IsEmpty]: Start isEmpty. Operand 4190 states and 4668 transitions. [2019-11-19 23:56:13,074 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 444 [2019-11-19 23:56:13,074 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:56:13,092 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:56:13,423 INFO L134 CoverageAnalysis]: Checked inductivity of 1056 backedges. 658 proven. 103 refuted. 0 times theorem prover too weak. 295 trivial. 0 not checked. [2019-11-19 23:56:15,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:56:15,012 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4675 states to 4196 states and 4675 transitions. [2019-11-19 23:56:15,012 INFO L276 IsEmpty]: Start isEmpty. Operand 4196 states and 4675 transitions. [2019-11-19 23:56:15,015 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 444 [2019-11-19 23:56:15,015 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:56:15,034 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:56:15,365 INFO L134 CoverageAnalysis]: Checked inductivity of 1056 backedges. 658 proven. 103 refuted. 0 times theorem prover too weak. 295 trivial. 0 not checked. [2019-11-19 23:56:16,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:56:16,416 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4677 states to 4197 states and 4677 transitions. [2019-11-19 23:56:16,416 INFO L276 IsEmpty]: Start isEmpty. Operand 4197 states and 4677 transitions. [2019-11-19 23:56:16,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 444 [2019-11-19 23:56:16,420 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:56:16,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:56:16,774 INFO L134 CoverageAnalysis]: Checked inductivity of 1056 backedges. 658 proven. 103 refuted. 0 times theorem prover too weak. 295 trivial. 0 not checked. [2019-11-19 23:56:17,654 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:56:17,656 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4678 states to 4198 states and 4678 transitions. [2019-11-19 23:56:17,656 INFO L276 IsEmpty]: Start isEmpty. Operand 4198 states and 4678 transitions. [2019-11-19 23:56:17,659 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 453 [2019-11-19 23:56:17,659 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:56:17,677 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:56:17,858 INFO L134 CoverageAnalysis]: Checked inductivity of 1180 backedges. 841 proven. 16 refuted. 0 times theorem prover too weak. 323 trivial. 0 not checked. [2019-11-19 23:56:19,271 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:56:19,273 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4697 states to 4217 states and 4697 transitions. [2019-11-19 23:56:19,274 INFO L276 IsEmpty]: Start isEmpty. Operand 4217 states and 4697 transitions. [2019-11-19 23:56:19,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 453 [2019-11-19 23:56:19,277 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:56:19,295 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:56:19,476 INFO L134 CoverageAnalysis]: Checked inductivity of 1180 backedges. 841 proven. 16 refuted. 0 times theorem prover too weak. 323 trivial. 0 not checked. [2019-11-19 23:56:20,510 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:56:20,511 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4699 states to 4219 states and 4699 transitions. [2019-11-19 23:56:20,512 INFO L276 IsEmpty]: Start isEmpty. Operand 4219 states and 4699 transitions. [2019-11-19 23:56:20,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 453 [2019-11-19 23:56:20,514 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:56:20,534 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:56:20,723 INFO L134 CoverageAnalysis]: Checked inductivity of 1180 backedges. 841 proven. 16 refuted. 0 times theorem prover too weak. 323 trivial. 0 not checked. [2019-11-19 23:56:22,178 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:56:22,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4717 states to 4237 states and 4717 transitions. [2019-11-19 23:56:22,180 INFO L276 IsEmpty]: Start isEmpty. Operand 4237 states and 4717 transitions. [2019-11-19 23:56:22,183 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 454 [2019-11-19 23:56:22,183 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:56:22,202 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:56:22,345 INFO L134 CoverageAnalysis]: Checked inductivity of 1125 backedges. 765 proven. 0 refuted. 0 times theorem prover too weak. 360 trivial. 0 not checked. [2019-11-19 23:56:23,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:56:23,872 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4732 states to 4253 states and 4732 transitions. [2019-11-19 23:56:23,872 INFO L276 IsEmpty]: Start isEmpty. Operand 4253 states and 4732 transitions. [2019-11-19 23:56:23,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 459 [2019-11-19 23:56:23,877 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:56:23,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:56:24,414 INFO L134 CoverageAnalysis]: Checked inductivity of 1160 backedges. 375 proven. 0 refuted. 0 times theorem prover too weak. 785 trivial. 0 not checked. [2019-11-19 23:56:26,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:56:26,085 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4814 states to 4332 states and 4814 transitions. [2019-11-19 23:56:26,085 INFO L276 IsEmpty]: Start isEmpty. Operand 4332 states and 4814 transitions. [2019-11-19 23:56:26,089 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 511 [2019-11-19 23:56:26,089 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:56:26,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:56:29,429 INFO L134 CoverageAnalysis]: Checked inductivity of 1441 backedges. 637 proven. 604 refuted. 0 times theorem prover too weak. 200 trivial. 0 not checked. [2019-11-19 23:56:29,837 WARN L191 SmtUtils]: Spent 266.00 ms on a formula simplification that was a NOOP. DAG size: 30 [2019-11-19 23:56:44,661 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:56:44,663 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4805 states to 4309 states and 4805 transitions. [2019-11-19 23:56:44,663 INFO L276 IsEmpty]: Start isEmpty. Operand 4309 states and 4805 transitions. [2019-11-19 23:56:44,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 511 [2019-11-19 23:56:44,667 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:56:44,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:56:45,738 INFO L134 CoverageAnalysis]: Checked inductivity of 1441 backedges. 637 proven. 604 refuted. 0 times theorem prover too weak. 200 trivial. 0 not checked. [2019-11-19 23:56:48,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:56:48,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4846 states to 4348 states and 4846 transitions. [2019-11-19 23:56:48,474 INFO L276 IsEmpty]: Start isEmpty. Operand 4348 states and 4846 transitions. [2019-11-19 23:56:48,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 511 [2019-11-19 23:56:48,477 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:56:48,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:56:49,270 INFO L134 CoverageAnalysis]: Checked inductivity of 1441 backedges. 637 proven. 604 refuted. 0 times theorem prover too weak. 200 trivial. 0 not checked. [2019-11-19 23:56:51,056 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:56:51,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4862 states to 4364 states and 4862 transitions. [2019-11-19 23:56:51,058 INFO L276 IsEmpty]: Start isEmpty. Operand 4364 states and 4862 transitions. [2019-11-19 23:56:51,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 511 [2019-11-19 23:56:51,062 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:56:51,089 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:56:51,880 INFO L134 CoverageAnalysis]: Checked inductivity of 1441 backedges. 637 proven. 604 refuted. 0 times theorem prover too weak. 200 trivial. 0 not checked. [2019-11-19 23:56:52,802 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:56:52,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4878 states to 4380 states and 4878 transitions. [2019-11-19 23:56:52,806 INFO L276 IsEmpty]: Start isEmpty. Operand 4380 states and 4878 transitions. [2019-11-19 23:56:52,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 520 [2019-11-19 23:56:52,811 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:56:52,844 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:56:55,084 INFO L134 CoverageAnalysis]: Checked inductivity of 1469 backedges. 236 proven. 795 refuted. 0 times theorem prover too weak. 438 trivial. 0 not checked. [2019-11-19 23:57:17,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:57:17,816 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5230 states to 4695 states and 5230 transitions. [2019-11-19 23:57:17,816 INFO L276 IsEmpty]: Start isEmpty. Operand 4695 states and 5230 transitions. [2019-11-19 23:57:17,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 520 [2019-11-19 23:57:17,820 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:57:17,862 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:57:18,704 INFO L134 CoverageAnalysis]: Checked inductivity of 1469 backedges. 236 proven. 795 refuted. 0 times theorem prover too weak. 438 trivial. 0 not checked. [2019-11-19 23:57:19,771 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:57:19,774 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5236 states to 4702 states and 5236 transitions. [2019-11-19 23:57:19,774 INFO L276 IsEmpty]: Start isEmpty. Operand 4702 states and 5236 transitions. [2019-11-19 23:57:19,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 520 [2019-11-19 23:57:19,777 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:57:19,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:57:20,890 INFO L134 CoverageAnalysis]: Checked inductivity of 1469 backedges. 236 proven. 795 refuted. 0 times theorem prover too weak. 438 trivial. 0 not checked. [2019-11-19 23:57:21,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:57:21,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5245 states to 4712 states and 5245 transitions. [2019-11-19 23:57:21,895 INFO L276 IsEmpty]: Start isEmpty. Operand 4712 states and 5245 transitions. [2019-11-19 23:57:21,899 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 520 [2019-11-19 23:57:21,899 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:57:21,926 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:57:22,742 INFO L134 CoverageAnalysis]: Checked inductivity of 1469 backedges. 236 proven. 795 refuted. 0 times theorem prover too weak. 438 trivial. 0 not checked. [2019-11-19 23:57:24,704 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:57:24,706 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5293 states to 4760 states and 5293 transitions. [2019-11-19 23:57:24,706 INFO L276 IsEmpty]: Start isEmpty. Operand 4760 states and 5293 transitions. [2019-11-19 23:57:24,709 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 520 [2019-11-19 23:57:24,709 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:57:24,737 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:57:25,537 INFO L134 CoverageAnalysis]: Checked inductivity of 1469 backedges. 236 proven. 795 refuted. 0 times theorem prover too weak. 438 trivial. 0 not checked. [2019-11-19 23:57:26,047 WARN L191 SmtUtils]: Spent 298.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 27 [2019-11-19 23:57:26,953 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:57:26,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5304 states to 4772 states and 5304 transitions. [2019-11-19 23:57:26,955 INFO L276 IsEmpty]: Start isEmpty. Operand 4772 states and 5304 transitions. [2019-11-19 23:57:26,959 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 531 [2019-11-19 23:57:26,959 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:57:26,987 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:57:28,701 INFO L134 CoverageAnalysis]: Checked inductivity of 1556 backedges. 814 proven. 54 refuted. 0 times theorem prover too weak. 688 trivial. 0 not checked. [2019-11-19 23:57:33,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:57:33,412 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5334 states to 4798 states and 5334 transitions. [2019-11-19 23:57:33,412 INFO L276 IsEmpty]: Start isEmpty. Operand 4798 states and 5334 transitions. [2019-11-19 23:57:33,417 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 531 [2019-11-19 23:57:33,417 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:57:33,459 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:57:33,879 INFO L134 CoverageAnalysis]: Checked inductivity of 1556 backedges. 814 proven. 54 refuted. 0 times theorem prover too weak. 688 trivial. 0 not checked. [2019-11-19 23:57:34,886 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:57:34,888 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5344 states to 4808 states and 5344 transitions. [2019-11-19 23:57:34,888 INFO L276 IsEmpty]: Start isEmpty. Operand 4808 states and 5344 transitions. [2019-11-19 23:57:34,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 600 [2019-11-19 23:57:34,894 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:57:34,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:57:36,379 INFO L134 CoverageAnalysis]: Checked inductivity of 1986 backedges. 315 proven. 994 refuted. 0 times theorem prover too weak. 677 trivial. 0 not checked. [2019-11-19 23:57:37,979 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:57:37,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5360 states to 4824 states and 5360 transitions. [2019-11-19 23:57:37,981 INFO L276 IsEmpty]: Start isEmpty. Operand 4824 states and 5360 transitions. [2019-11-19 23:57:37,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 600 [2019-11-19 23:57:37,985 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:57:38,017 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:57:39,198 INFO L134 CoverageAnalysis]: Checked inductivity of 1986 backedges. 315 proven. 994 refuted. 0 times theorem prover too weak. 677 trivial. 0 not checked. [2019-11-19 23:57:41,226 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:57:41,228 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5377 states to 4840 states and 5377 transitions. [2019-11-19 23:57:41,228 INFO L276 IsEmpty]: Start isEmpty. Operand 4840 states and 5377 transitions. [2019-11-19 23:57:41,232 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 600 [2019-11-19 23:57:41,233 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:57:41,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:57:42,701 INFO L134 CoverageAnalysis]: Checked inductivity of 1986 backedges. 315 proven. 994 refuted. 0 times theorem prover too weak. 677 trivial. 0 not checked. [2019-11-19 23:57:44,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:57:44,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5393 states to 4856 states and 5393 transitions. [2019-11-19 23:57:44,217 INFO L276 IsEmpty]: Start isEmpty. Operand 4856 states and 5393 transitions. [2019-11-19 23:57:44,221 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 600 [2019-11-19 23:57:44,221 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:57:44,252 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:57:45,404 INFO L134 CoverageAnalysis]: Checked inductivity of 1986 backedges. 315 proven. 994 refuted. 0 times theorem prover too weak. 677 trivial. 0 not checked. [2019-11-19 23:57:46,538 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:57:46,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5408 states to 4871 states and 5408 transitions. [2019-11-19 23:57:46,541 INFO L276 IsEmpty]: Start isEmpty. Operand 4871 states and 5408 transitions. [2019-11-19 23:57:46,545 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 600 [2019-11-19 23:57:46,545 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:57:46,576 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:57:48,000 INFO L134 CoverageAnalysis]: Checked inductivity of 1986 backedges. 315 proven. 994 refuted. 0 times theorem prover too weak. 677 trivial. 0 not checked. [2019-11-19 23:57:49,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:57:49,134 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5418 states to 4880 states and 5418 transitions. [2019-11-19 23:57:49,134 INFO L276 IsEmpty]: Start isEmpty. Operand 4880 states and 5418 transitions. [2019-11-19 23:57:49,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 600 [2019-11-19 23:57:49,138 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:57:49,170 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:57:50,338 INFO L134 CoverageAnalysis]: Checked inductivity of 1986 backedges. 315 proven. 994 refuted. 0 times theorem prover too weak. 677 trivial. 0 not checked. [2019-11-19 23:57:54,150 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:57:54,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5479 states to 4935 states and 5479 transitions. [2019-11-19 23:57:54,153 INFO L276 IsEmpty]: Start isEmpty. Operand 4935 states and 5479 transitions. [2019-11-19 23:57:54,156 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 600 [2019-11-19 23:57:54,156 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:57:54,188 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:57:55,624 INFO L134 CoverageAnalysis]: Checked inductivity of 1986 backedges. 315 proven. 994 refuted. 0 times theorem prover too weak. 677 trivial. 0 not checked. [2019-11-19 23:57:57,492 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:57:57,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5537 states to 4995 states and 5537 transitions. [2019-11-19 23:57:57,494 INFO L276 IsEmpty]: Start isEmpty. Operand 4995 states and 5537 transitions. [2019-11-19 23:57:57,499 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 600 [2019-11-19 23:57:57,499 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:57:57,530 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:57:59,015 INFO L134 CoverageAnalysis]: Checked inductivity of 1986 backedges. 315 proven. 994 refuted. 0 times theorem prover too weak. 677 trivial. 0 not checked. [2019-11-19 23:58:00,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:58:00,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5562 states to 5021 states and 5562 transitions. [2019-11-19 23:58:00,909 INFO L276 IsEmpty]: Start isEmpty. Operand 5021 states and 5562 transitions. [2019-11-19 23:58:00,913 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 600 [2019-11-19 23:58:00,913 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:58:00,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:58:02,620 INFO L134 CoverageAnalysis]: Checked inductivity of 1986 backedges. 315 proven. 994 refuted. 0 times theorem prover too weak. 677 trivial. 0 not checked. [2019-11-19 23:58:04,112 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:58:04,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5578 states to 5037 states and 5578 transitions. [2019-11-19 23:58:04,114 INFO L276 IsEmpty]: Start isEmpty. Operand 5037 states and 5578 transitions. [2019-11-19 23:58:04,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 600 [2019-11-19 23:58:04,118 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:58:04,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:58:05,304 INFO L134 CoverageAnalysis]: Checked inductivity of 1986 backedges. 315 proven. 994 refuted. 0 times theorem prover too weak. 677 trivial. 0 not checked. [2019-11-19 23:58:06,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:58:06,464 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5592 states to 5050 states and 5592 transitions. [2019-11-19 23:58:06,465 INFO L276 IsEmpty]: Start isEmpty. Operand 5050 states and 5592 transitions. [2019-11-19 23:58:06,468 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 600 [2019-11-19 23:58:06,468 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:58:06,500 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:58:07,921 INFO L134 CoverageAnalysis]: Checked inductivity of 1986 backedges. 315 proven. 994 refuted. 0 times theorem prover too weak. 677 trivial. 0 not checked. [2019-11-19 23:58:09,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:58:09,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5593 states to 5051 states and 5593 transitions. [2019-11-19 23:58:09,049 INFO L276 IsEmpty]: Start isEmpty. Operand 5051 states and 5593 transitions. [2019-11-19 23:58:09,053 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 600 [2019-11-19 23:58:09,053 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:58:09,085 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:58:10,244 INFO L134 CoverageAnalysis]: Checked inductivity of 1986 backedges. 315 proven. 994 refuted. 0 times theorem prover too weak. 677 trivial. 0 not checked. [2019-11-19 23:58:11,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:58:11,027 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5593 states to 5052 states and 5593 transitions. [2019-11-19 23:58:11,027 INFO L276 IsEmpty]: Start isEmpty. Operand 5052 states and 5593 transitions. [2019-11-19 23:58:11,031 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 600 [2019-11-19 23:58:11,031 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:58:11,062 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:58:12,453 INFO L134 CoverageAnalysis]: Checked inductivity of 1986 backedges. 315 proven. 994 refuted. 0 times theorem prover too weak. 677 trivial. 0 not checked. [2019-11-19 23:58:14,412 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:58:14,414 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5610 states to 5068 states and 5610 transitions. [2019-11-19 23:58:14,414 INFO L276 IsEmpty]: Start isEmpty. Operand 5068 states and 5610 transitions. [2019-11-19 23:58:14,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 600 [2019-11-19 23:58:14,418 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:58:14,451 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:58:15,604 INFO L134 CoverageAnalysis]: Checked inductivity of 1986 backedges. 315 proven. 994 refuted. 0 times theorem prover too weak. 677 trivial. 0 not checked. [2019-11-19 23:58:16,863 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:58:16,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5619 states to 5078 states and 5619 transitions. [2019-11-19 23:58:16,866 INFO L276 IsEmpty]: Start isEmpty. Operand 5078 states and 5619 transitions. [2019-11-19 23:58:16,869 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 600 [2019-11-19 23:58:16,869 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:58:16,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:58:18,270 INFO L134 CoverageAnalysis]: Checked inductivity of 1986 backedges. 315 proven. 994 refuted. 0 times theorem prover too weak. 677 trivial. 0 not checked. [2019-11-19 23:58:19,561 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:58:19,563 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5634 states to 5093 states and 5634 transitions. [2019-11-19 23:58:19,563 INFO L276 IsEmpty]: Start isEmpty. Operand 5093 states and 5634 transitions. [2019-11-19 23:58:19,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 676 [2019-11-19 23:58:19,568 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:58:19,599 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:58:20,532 INFO L134 CoverageAnalysis]: Checked inductivity of 2564 backedges. 1649 proven. 396 refuted. 0 times theorem prover too weak. 519 trivial. 0 not checked. [2019-11-19 23:58:22,873 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:58:22,875 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5709 states to 5164 states and 5709 transitions. [2019-11-19 23:58:22,875 INFO L276 IsEmpty]: Start isEmpty. Operand 5164 states and 5709 transitions. [2019-11-19 23:58:22,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 676 [2019-11-19 23:58:22,880 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:58:22,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:58:23,544 INFO L134 CoverageAnalysis]: Checked inductivity of 2564 backedges. 1649 proven. 396 refuted. 0 times theorem prover too weak. 519 trivial. 0 not checked. [2019-11-19 23:58:24,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:58:24,809 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5715 states to 5171 states and 5715 transitions. [2019-11-19 23:58:24,809 INFO L276 IsEmpty]: Start isEmpty. Operand 5171 states and 5715 transitions. [2019-11-19 23:58:24,813 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 680 [2019-11-19 23:58:24,813 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:58:24,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:58:26,434 INFO L134 CoverageAnalysis]: Checked inductivity of 2583 backedges. 394 proven. 1193 refuted. 0 times theorem prover too weak. 996 trivial. 0 not checked. [2019-11-19 23:58:29,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:58:29,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5790 states to 5242 states and 5790 transitions. [2019-11-19 23:58:29,513 INFO L276 IsEmpty]: Start isEmpty. Operand 5242 states and 5790 transitions. [2019-11-19 23:58:29,518 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 680 [2019-11-19 23:58:29,518 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:58:29,553 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:58:31,293 INFO L134 CoverageAnalysis]: Checked inductivity of 2583 backedges. 394 proven. 1193 refuted. 0 times theorem prover too weak. 996 trivial. 0 not checked. [2019-11-19 23:58:36,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:58:36,752 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5861 states to 5309 states and 5861 transitions. [2019-11-19 23:58:36,752 INFO L276 IsEmpty]: Start isEmpty. Operand 5309 states and 5861 transitions. [2019-11-19 23:58:36,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 680 [2019-11-19 23:58:36,759 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:58:36,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:58:38,532 INFO L134 CoverageAnalysis]: Checked inductivity of 2583 backedges. 394 proven. 1193 refuted. 0 times theorem prover too weak. 996 trivial. 0 not checked. [2019-11-19 23:58:39,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:58:39,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5868 states to 5316 states and 5868 transitions. [2019-11-19 23:58:39,827 INFO L276 IsEmpty]: Start isEmpty. Operand 5316 states and 5868 transitions. [2019-11-19 23:58:39,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 680 [2019-11-19 23:58:39,832 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:58:39,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:58:41,704 INFO L134 CoverageAnalysis]: Checked inductivity of 2583 backedges. 394 proven. 1193 refuted. 0 times theorem prover too weak. 996 trivial. 0 not checked. [2019-11-19 23:58:42,164 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:58:42,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5872 states to 5321 states and 5872 transitions. [2019-11-19 23:58:42,166 INFO L276 IsEmpty]: Start isEmpty. Operand 5321 states and 5872 transitions. [2019-11-19 23:58:42,171 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 760 [2019-11-19 23:58:42,171 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:58:42,220 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:58:44,410 INFO L134 CoverageAnalysis]: Checked inductivity of 3260 backedges. 473 proven. 1392 refuted. 0 times theorem prover too weak. 1395 trivial. 0 not checked. [2019-11-19 23:58:46,641 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:58:46,644 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5907 states to 5355 states and 5907 transitions. [2019-11-19 23:58:46,644 INFO L276 IsEmpty]: Start isEmpty. Operand 5355 states and 5907 transitions. [2019-11-19 23:58:46,649 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 760 [2019-11-19 23:58:46,649 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:58:46,689 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:58:48,867 INFO L134 CoverageAnalysis]: Checked inductivity of 3260 backedges. 473 proven. 1392 refuted. 0 times theorem prover too weak. 1395 trivial. 0 not checked. [2019-11-19 23:58:52,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:58:52,821 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5947 states to 5393 states and 5947 transitions. [2019-11-19 23:58:52,821 INFO L276 IsEmpty]: Start isEmpty. Operand 5393 states and 5947 transitions. [2019-11-19 23:58:52,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 760 [2019-11-19 23:58:52,826 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:58:52,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:58:55,076 INFO L134 CoverageAnalysis]: Checked inductivity of 3260 backedges. 473 proven. 1392 refuted. 0 times theorem prover too weak. 1395 trivial. 0 not checked. [2019-11-19 23:58:56,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:58:56,426 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 5955 states to 5402 states and 5955 transitions. [2019-11-19 23:58:56,426 INFO L276 IsEmpty]: Start isEmpty. Operand 5402 states and 5955 transitions. [2019-11-19 23:58:56,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 760 [2019-11-19 23:58:56,431 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-19 23:58:56,471 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-19 23:58:58,514 INFO L134 CoverageAnalysis]: Checked inductivity of 3260 backedges. 473 proven. 1392 refuted. 0 times theorem prover too weak. 1395 trivial. 0 not checked. [2019-11-19 23:59:00,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-19 23:59:00,052 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4834 states to 4349 states and 4834 transitions. [2019-11-19 23:59:00,052 INFO L276 IsEmpty]: Start isEmpty. Operand 4349 states and 4834 transitions. [2019-11-19 23:59:00,055 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-19 23:59:00,055 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 258 iterations. [2019-11-19 23:59:00,062 INFO L765 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2019-11-19 23:59:00,588 WARN L191 SmtUtils]: Spent 516.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 35 [2019-11-19 23:59:01,021 WARN L191 SmtUtils]: Spent 432.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 35 [2019-11-19 23:59:01,335 WARN L191 SmtUtils]: Spent 313.00 ms on a formula simplification. DAG size of input: 63 DAG size of output: 35 [2019-11-19 23:59:01,844 WARN L191 SmtUtils]: Spent 508.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 35 [2019-11-19 23:59:01,999 WARN L191 SmtUtils]: Spent 154.00 ms on a formula simplification. DAG size of input: 75 DAG size of output: 38 [2019-11-19 23:59:02,679 WARN L191 SmtUtils]: Spent 680.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 48 [2019-11-19 23:59:03,044 WARN L191 SmtUtils]: Spent 362.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 35 [2019-11-19 23:59:03,292 WARN L191 SmtUtils]: Spent 247.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 35 [2019-11-19 23:59:03,692 WARN L191 SmtUtils]: Spent 400.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 35 [2019-11-19 23:59:03,940 WARN L191 SmtUtils]: Spent 246.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 38 [2019-11-19 23:59:04,282 WARN L191 SmtUtils]: Spent 341.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 35 [2019-11-19 23:59:04,796 WARN L191 SmtUtils]: Spent 513.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 35 [2019-11-19 23:59:05,307 WARN L191 SmtUtils]: Spent 510.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 35 [2019-11-19 23:59:05,457 WARN L191 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 38 [2019-11-19 23:59:05,785 WARN L191 SmtUtils]: Spent 326.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 35 [2019-11-19 23:59:06,037 WARN L191 SmtUtils]: Spent 251.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 35 [2019-11-19 23:59:06,320 WARN L191 SmtUtils]: Spent 282.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 35 [2019-11-19 23:59:06,613 WARN L191 SmtUtils]: Spent 292.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 35 [2019-11-19 23:59:06,906 WARN L191 SmtUtils]: Spent 292.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 35 [2019-11-19 23:59:07,188 WARN L191 SmtUtils]: Spent 281.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 35 [2019-11-19 23:59:07,593 WARN L191 SmtUtils]: Spent 404.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 35 [2019-11-19 23:59:08,021 WARN L191 SmtUtils]: Spent 427.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 35 [2019-11-19 23:59:08,449 WARN L191 SmtUtils]: Spent 427.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 35 [2019-11-19 23:59:08,731 WARN L191 SmtUtils]: Spent 281.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 35 [2019-11-19 23:59:09,309 WARN L191 SmtUtils]: Spent 577.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 39 [2019-11-19 23:59:09,822 WARN L191 SmtUtils]: Spent 512.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 35 [2019-11-19 23:59:10,212 WARN L191 SmtUtils]: Spent 390.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 35 [2019-11-19 23:59:10,563 WARN L191 SmtUtils]: Spent 349.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 35 [2019-11-19 23:59:10,862 WARN L191 SmtUtils]: Spent 299.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 35 [2019-11-19 23:59:11,714 WARN L191 SmtUtils]: Spent 851.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 68 [2019-11-19 23:59:12,003 WARN L191 SmtUtils]: Spent 288.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 35 [2019-11-19 23:59:12,436 WARN L191 SmtUtils]: Spent 432.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 35 [2019-11-19 23:59:12,723 WARN L191 SmtUtils]: Spent 286.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 35 [2019-11-19 23:59:13,084 WARN L191 SmtUtils]: Spent 360.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 35 [2019-11-19 23:59:13,410 WARN L191 SmtUtils]: Spent 326.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 35 [2019-11-19 23:59:13,773 WARN L191 SmtUtils]: Spent 362.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 35 [2019-11-19 23:59:14,059 WARN L191 SmtUtils]: Spent 285.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 35 [2019-11-19 23:59:14,567 WARN L191 SmtUtils]: Spent 506.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 35 [2019-11-19 23:59:14,899 WARN L191 SmtUtils]: Spent 332.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 35 [2019-11-19 23:59:15,171 WARN L191 SmtUtils]: Spent 271.00 ms on a formula simplification. DAG size of input: 104 DAG size of output: 35 [2019-11-19 23:59:15,529 WARN L191 SmtUtils]: Spent 357.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 35 [2019-11-19 23:59:15,823 WARN L191 SmtUtils]: Spent 293.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 35 [2019-11-19 23:59:16,112 WARN L191 SmtUtils]: Spent 288.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 35 [2019-11-19 23:59:16,638 WARN L191 SmtUtils]: Spent 525.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 50 [2019-11-19 23:59:16,811 WARN L191 SmtUtils]: Spent 173.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 35 [2019-11-19 23:59:17,303 WARN L191 SmtUtils]: Spent 491.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 35 [2019-11-19 23:59:17,616 WARN L191 SmtUtils]: Spent 312.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 35 [2019-11-19 23:59:18,109 WARN L191 SmtUtils]: Spent 492.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 36 [2019-11-19 23:59:18,517 WARN L191 SmtUtils]: Spent 408.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 35 [2019-11-19 23:59:18,812 WARN L191 SmtUtils]: Spent 294.00 ms on a formula simplification. DAG size of input: 109 DAG size of output: 35 [2019-11-19 23:59:19,155 WARN L191 SmtUtils]: Spent 342.00 ms on a formula simplification. DAG size of input: 130 DAG size of output: 35 [2019-11-19 23:59:19,307 WARN L191 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 74 DAG size of output: 38 [2019-11-19 23:59:19,821 WARN L191 SmtUtils]: Spent 513.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 35 [2019-11-19 23:59:20,175 WARN L191 SmtUtils]: Spent 353.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 35 [2019-11-19 23:59:20,282 WARN L191 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 36 [2019-11-19 23:59:20,571 WARN L191 SmtUtils]: Spent 288.00 ms on a formula simplification. DAG size of input: 96 DAG size of output: 35 [2019-11-19 23:59:20,821 WARN L191 SmtUtils]: Spent 250.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 38 [2019-11-19 23:59:21,084 WARN L191 SmtUtils]: Spent 262.00 ms on a formula simplification. DAG size of input: 92 DAG size of output: 35 [2019-11-19 23:59:21,434 WARN L191 SmtUtils]: Spent 349.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 35 [2019-11-19 23:59:21,815 WARN L191 SmtUtils]: Spent 380.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 35 [2019-11-19 23:59:22,172 WARN L191 SmtUtils]: Spent 356.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 35 [2019-11-19 23:59:22,433 WARN L191 SmtUtils]: Spent 260.00 ms on a formula simplification. DAG size of input: 95 DAG size of output: 35 [2019-11-19 23:59:22,958 WARN L191 SmtUtils]: Spent 524.00 ms on a formula simplification. DAG size of input: 166 DAG size of output: 35 [2019-11-19 23:59:23,346 WARN L191 SmtUtils]: Spent 388.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 35 [2019-11-19 23:59:23,649 WARN L191 SmtUtils]: Spent 301.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 35 [2019-11-19 23:59:23,955 WARN L191 SmtUtils]: Spent 306.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 35 [2019-11-19 23:59:24,429 WARN L191 SmtUtils]: Spent 472.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 35 [2019-11-19 23:59:24,979 WARN L191 SmtUtils]: Spent 549.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 35 [2019-11-19 23:59:25,234 WARN L191 SmtUtils]: Spent 253.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 35 [2019-11-19 23:59:25,521 WARN L191 SmtUtils]: Spent 286.00 ms on a formula simplification. DAG size of input: 102 DAG size of output: 35 [2019-11-19 23:59:25,852 WARN L191 SmtUtils]: Spent 330.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 35 [2019-11-19 23:59:26,438 WARN L191 SmtUtils]: Spent 585.00 ms on a formula simplification. DAG size of input: 151 DAG size of output: 39 [2019-11-19 23:59:26,803 WARN L191 SmtUtils]: Spent 364.00 ms on a formula simplification. DAG size of input: 137 DAG size of output: 35 [2019-11-19 23:59:27,158 WARN L191 SmtUtils]: Spent 354.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 35 [2019-11-19 23:59:27,450 WARN L191 SmtUtils]: Spent 291.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 35 [2019-11-19 23:59:27,558 WARN L191 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 35 [2019-11-19 23:59:28,217 WARN L191 SmtUtils]: Spent 658.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 50 [2019-11-19 23:59:28,510 WARN L191 SmtUtils]: Spent 293.00 ms on a formula simplification. DAG size of input: 105 DAG size of output: 35 [2019-11-19 23:59:28,761 WARN L191 SmtUtils]: Spent 250.00 ms on a formula simplification. DAG size of input: 93 DAG size of output: 35 [2019-11-19 23:59:29,166 WARN L191 SmtUtils]: Spent 404.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 35 [2019-11-19 23:59:29,166 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-19 23:59:29,170 INFO L569 CodeCheckObserver]: Invariant with dag size 36 [2019-11-19 23:59:29,179 INFO L569 CodeCheckObserver]: Invariant with dag size 39 [2019-11-19 23:59:29,182 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 19.11 11:59:29 ImpRootNode [2019-11-19 23:59:29,182 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2019-11-19 23:59:29,183 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-19 23:59:29,183 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-19 23:59:29,183 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-19 23:59:29,184 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 19.11 11:51:58" (3/4) ... [2019-11-19 23:59:29,187 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-19 23:59:29,207 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 109 nodes and edges [2019-11-19 23:59:29,209 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 18 nodes and edges [2019-11-19 23:59:29,210 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2019-11-19 23:59:29,212 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-11-19 23:59:29,347 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_2095bc15-a1ee-44da-8834-b2616f01e752/bin/ukojak/witness.graphml [2019-11-19 23:59:29,347 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-19 23:59:29,348 INFO L168 Benchmark]: Toolchain (without parser) took 453605.79 ms. Allocated memory was 1.0 GB in the beginning and 4.9 GB in the end (delta: 3.8 GB). Free memory was 944.8 MB in the beginning and 3.9 GB in the end (delta: -2.9 GB). Peak memory consumption was 924.8 MB. Max. memory is 11.5 GB. [2019-11-19 23:59:29,349 INFO L168 Benchmark]: CDTParser took 0.25 ms. Allocated memory is still 1.0 GB. Free memory is still 967.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-19 23:59:29,349 INFO L168 Benchmark]: CACSL2BoogieTranslator took 639.34 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 175.6 MB). Free memory was 944.8 MB in the beginning and 1.2 GB in the end (delta: -206.7 MB). Peak memory consumption was 18.2 MB. Max. memory is 11.5 GB. [2019-11-19 23:59:29,349 INFO L168 Benchmark]: Boogie Procedure Inliner took 98.14 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-11-19 23:59:29,350 INFO L168 Benchmark]: Boogie Preprocessor took 88.67 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. [2019-11-19 23:59:29,350 INFO L168 Benchmark]: RCFGBuilder took 1854.00 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 923.1 MB in the end (delta: 217.6 MB). Peak memory consumption was 217.6 MB. Max. memory is 11.5 GB. [2019-11-19 23:59:29,351 INFO L168 Benchmark]: CodeCheck took 450757.29 ms. Allocated memory was 1.2 GB in the beginning and 4.9 GB in the end (delta: 3.7 GB). Free memory was 923.1 MB in the beginning and 3.9 GB in the end (delta: -3.0 GB). Peak memory consumption was 3.9 GB. Max. memory is 11.5 GB. [2019-11-19 23:59:29,351 INFO L168 Benchmark]: Witness Printer took 164.42 ms. Allocated memory is still 4.9 GB. Free memory was 3.9 GB in the beginning and 3.9 GB in the end (delta: 23.8 MB). Peak memory consumption was 23.8 MB. Max. memory is 11.5 GB. [2019-11-19 23:59:29,353 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 85 locations, 1 error locations. Result: SAFE, OverallTime: 421.5s, OverallIterations: 258, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 395598640 SDtfs, -644451444 SDslu, -1218829560 SDs, 0 SdLazy, -745558888 SolverSat, 813239872 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 2378.0s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 492210 GetRequests, 471194 SyntacticMatches, 18940 SemanticMatches, 2076 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3405965 ImplicationChecksByTransitivity, 308.5s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 1.6s SsaConstructionTime, 3.0s SatisfiabilityAnalysisTime, 36.5s InterpolantComputationTime, 76314 NumberOfCodeBlocks, 76314 NumberOfCodeBlocksAsserted, 257 NumberOfCheckSat, 76057 ConstructedInterpolants, 0 QuantifiedInterpolants, 244157572 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 257 InterpolantComputations, 121 PerfectInterpolantSequences, 117834/152466 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: 544]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 600]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 29]: Loop Invariant Derived loop invariant: ((((((((a21 == 1 && !(a17 == 9)) && !(a28 == 11)) || (a28 == 11 && (!(a17 == 7) || 1 == a11) && a21 == 1)) || (!(a19 == 1) && !(a17 == 9))) || (!(a19 == 1) && a25 == 1)) || ((!(1 == a11) && !(8 == a28)) && !(a28 == 11))) || (!(a19 == 1) && !(8 == a28))) || (a21 == 1 && a25 == 1)) || ((!(8 == a28) && a21 == 1) && !(a28 == 11)) - InvariantResult [Line: 606]: Loop Invariant Derived loop invariant: (((((((((!(1 == a11) && a28 < 11) && !(8 == a28)) || (a28 == 11 && (!(a17 == 7) || 1 == a11) && a21 == 1)) || (!(a19 == 1) && !(a17 == 9))) || ((a21 == 1 && !(a17 == 9)) && !(a28 == 11))) || ((11 <= a28 && !(1 == a11)) && !(a28 == 11))) || (!(a19 == 1) && a25 == 1)) || ((!(8 == a28) && a21 == 1) && !(a28 == 11))) || (a21 == 1 && a25 == 1)) || (!(a19 == 1) && !(8 == a28)) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.25 ms. Allocated memory is still 1.0 GB. Free memory is still 967.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 639.34 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 175.6 MB). Free memory was 944.8 MB in the beginning and 1.2 GB in the end (delta: -206.7 MB). Peak memory consumption was 18.2 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 98.14 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 88.67 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 5.4 MB). Peak memory consumption was 5.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1854.00 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 923.1 MB in the end (delta: 217.6 MB). Peak memory consumption was 217.6 MB. Max. memory is 11.5 GB. * CodeCheck took 450757.29 ms. Allocated memory was 1.2 GB in the beginning and 4.9 GB in the end (delta: 3.7 GB). Free memory was 923.1 MB in the beginning and 3.9 GB in the end (delta: -3.0 GB). Peak memory consumption was 3.9 GB. Max. memory is 11.5 GB. * Witness Printer took 164.42 ms. Allocated memory is still 4.9 GB. Free memory was 3.9 GB in the beginning and 3.9 GB in the end (delta: 23.8 MB). Peak memory consumption was 23.8 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...