./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem01_label03.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_96105bbe-5c3d-4763-b448-633d0eb135d8/bin/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/run_dir_96105bbe-5c3d-4763-b448-633d0eb135d8/bin/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/run_dir_96105bbe-5c3d-4763-b448-633d0eb135d8/bin/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/run_dir_96105bbe-5c3d-4763-b448-633d0eb135d8/bin/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem01_label03.c -s /tmp/vcloud-vcloud-master/worker/run_dir_96105bbe-5c3d-4763-b448-633d0eb135d8/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/run_dir_96105bbe-5c3d-4763-b448-633d0eb135d8/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 a91f469417fecfcde25fa5a52b02f071d3462166 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-678e011 [2019-11-20 10:36:48,547 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-11-20 10:36:48,549 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-11-20 10:36:48,563 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-11-20 10:36:48,564 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-11-20 10:36:48,566 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-11-20 10:36:48,567 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-11-20 10:36:48,576 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-11-20 10:36:48,580 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-11-20 10:36:48,586 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-11-20 10:36:48,587 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-11-20 10:36:48,588 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-11-20 10:36:48,588 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-11-20 10:36:48,590 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-11-20 10:36:48,591 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-11-20 10:36:48,592 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-11-20 10:36:48,593 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-11-20 10:36:48,595 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-11-20 10:36:48,597 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-11-20 10:36:48,601 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-11-20 10:36:48,604 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-11-20 10:36:48,606 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-11-20 10:36:48,608 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-11-20 10:36:48,609 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-11-20 10:36:48,612 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-11-20 10:36:48,612 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-11-20 10:36:48,612 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-11-20 10:36:48,614 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-11-20 10:36:48,614 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-11-20 10:36:48,615 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-11-20 10:36:48,616 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-11-20 10:36:48,616 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-11-20 10:36:48,617 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-11-20 10:36:48,618 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-11-20 10:36:48,619 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-11-20 10:36:48,619 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-11-20 10:36:48,620 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-11-20 10:36:48,620 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-11-20 10:36:48,620 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-11-20 10:36:48,621 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-11-20 10:36:48,622 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-11-20 10:36:48,623 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/run_dir_96105bbe-5c3d-4763-b448-633d0eb135d8/bin/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2019-11-20 10:36:48,647 INFO L113 SettingsManager]: Loading preferences was successful [2019-11-20 10:36:48,647 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-11-20 10:36:48,648 INFO L136 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2019-11-20 10:36:48,648 INFO L138 SettingsManager]: * Ignore calls to procedures called more than once=ALWAYS [2019-11-20 10:36:48,649 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-11-20 10:36:48,649 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-11-20 10:36:48,649 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-11-20 10:36:48,650 INFO L138 SettingsManager]: * sizeof long=4 [2019-11-20 10:36:48,650 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-11-20 10:36:48,650 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-11-20 10:36:48,650 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-11-20 10:36:48,650 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-11-20 10:36:48,651 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-11-20 10:36:48,651 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-11-20 10:36:48,651 INFO L138 SettingsManager]: * sizeof long double=12 [2019-11-20 10:36:48,651 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-11-20 10:36:48,651 INFO L138 SettingsManager]: * Use constant arrays=true [2019-11-20 10:36:48,652 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-11-20 10:36:48,652 INFO L136 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2019-11-20 10:36:48,652 INFO L138 SettingsManager]: * Timeout in seconds=1000000 [2019-11-20 10:36:48,652 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-11-20 10:36:48,652 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-11-20 10:36:48,653 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2019-11-20 10:36:48,653 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-11-20 10:36:48,653 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-11-20 10:36:48,653 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-11-20 10:36:48,654 INFO L138 SettingsManager]: * Trace refinement strategy=PENGUIN [2019-11-20 10:36:48,654 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-11-20 10:36:48,654 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-11-20 10:36:48,654 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_96105bbe-5c3d-4763-b448-633d0eb135d8/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 -> a91f469417fecfcde25fa5a52b02f071d3462166 [2019-11-20 10:36:48,801 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-11-20 10:36:48,810 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-11-20 10:36:48,813 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-11-20 10:36:48,815 INFO L271 PluginConnector]: Initializing CDTParser... [2019-11-20 10:36:48,815 INFO L275 PluginConnector]: CDTParser initialized [2019-11-20 10:36:48,816 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/run_dir_96105bbe-5c3d-4763-b448-633d0eb135d8/bin/ukojak/../../sv-benchmarks/c/eca-rers2012/Problem01_label03.c [2019-11-20 10:36:48,867 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_96105bbe-5c3d-4763-b448-633d0eb135d8/bin/ukojak/data/06cebc3fe/89cc3988e11240d8b792f410951ff015/FLAGf6934305c [2019-11-20 10:36:49,407 INFO L306 CDTParser]: Found 1 translation units. [2019-11-20 10:36:49,408 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/run_dir_96105bbe-5c3d-4763-b448-633d0eb135d8/sv-benchmarks/c/eca-rers2012/Problem01_label03.c [2019-11-20 10:36:49,436 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/run_dir_96105bbe-5c3d-4763-b448-633d0eb135d8/bin/ukojak/data/06cebc3fe/89cc3988e11240d8b792f410951ff015/FLAGf6934305c [2019-11-20 10:36:49,659 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/run_dir_96105bbe-5c3d-4763-b448-633d0eb135d8/bin/ukojak/data/06cebc3fe/89cc3988e11240d8b792f410951ff015 [2019-11-20 10:36:49,661 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-11-20 10:36:49,662 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-11-20 10:36:49,663 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-11-20 10:36:49,663 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-11-20 10:36:49,666 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-11-20 10:36:49,667 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 10:36:49" (1/1) ... [2019-11-20 10:36:49,669 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@778d5ced and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:36:49, skipping insertion in model container [2019-11-20 10:36:49,670 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 20.11 10:36:49" (1/1) ... [2019-11-20 10:36:49,676 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-11-20 10:36:49,727 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-11-20 10:36:50,158 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 10:36:50,172 INFO L188 MainTranslator]: Completed pre-run [2019-11-20 10:36:50,299 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-11-20 10:36:50,313 INFO L192 MainTranslator]: Completed translation [2019-11-20 10:36:50,313 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:36:50 WrapperNode [2019-11-20 10:36:50,313 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-11-20 10:36:50,314 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-11-20 10:36:50,314 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-11-20 10:36:50,314 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-11-20 10:36:50,322 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:36:50" (1/1) ... [2019-11-20 10:36:50,340 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:36:50" (1/1) ... [2019-11-20 10:36:50,400 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-11-20 10:36:50,401 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-11-20 10:36:50,401 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-11-20 10:36:50,401 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-11-20 10:36:50,410 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:36:50" (1/1) ... [2019-11-20 10:36:50,410 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:36:50" (1/1) ... [2019-11-20 10:36:50,414 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:36:50" (1/1) ... [2019-11-20 10:36:50,414 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:36:50" (1/1) ... [2019-11-20 10:36:50,460 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:36:50" (1/1) ... [2019-11-20 10:36:50,469 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:36:50" (1/1) ... [2019-11-20 10:36:50,491 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:36:50" (1/1) ... [2019-11-20 10:36:50,499 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-11-20 10:36:50,499 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-11-20 10:36:50,499 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-11-20 10:36:50,500 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-11-20 10:36:50,500 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 20.11 10:36:50" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/run_dir_96105bbe-5c3d-4763-b448-633d0eb135d8/bin/ukojak/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2019-11-20 10:36:50,567 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-11-20 10:36:50,568 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-11-20 10:36:52,480 INFO L280 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-11-20 10:36:52,482 INFO L285 CfgBuilder]: Removed 7 assume(true) statements. [2019-11-20 10:36:52,483 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 10:36:52 BoogieIcfgContainer [2019-11-20 10:36:52,484 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-11-20 10:36:52,484 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2019-11-20 10:36:52,484 INFO L271 PluginConnector]: Initializing CodeCheck... [2019-11-20 10:36:52,495 INFO L275 PluginConnector]: CodeCheck initialized [2019-11-20 10:36:52,497 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 10:36:52" (1/1) ... [2019-11-20 10:36:52,511 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-11-20 10:36:52,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:36:52,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 76 states and 144 transitions. [2019-11-20 10:36:52,552 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 144 transitions. [2019-11-20 10:36:52,557 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2019-11-20 10:36:52,557 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:36:52,730 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:36:52,890 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 10:36:53,590 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:36:53,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 145 states and 221 transitions. [2019-11-20 10:36:53,592 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 221 transitions. [2019-11-20 10:36:53,595 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2019-11-20 10:36:53,595 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:36:53,656 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:36:53,756 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 3 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 10:36:53,977 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:36:53,983 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 226 states to 149 states and 226 transitions. [2019-11-20 10:36:53,984 INFO L276 IsEmpty]: Start isEmpty. Operand 149 states and 226 transitions. [2019-11-20 10:36:53,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2019-11-20 10:36:53,988 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:36:54,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:36:54,075 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 10:36:54,241 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:36:54,242 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 236 states to 154 states and 236 transitions. [2019-11-20 10:36:54,242 INFO L276 IsEmpty]: Start isEmpty. Operand 154 states and 236 transitions. [2019-11-20 10:36:54,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2019-11-20 10:36:54,245 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:36:54,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:36:54,367 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 10:36:54,985 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:36:54,986 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 321 states to 224 states and 321 transitions. [2019-11-20 10:36:54,987 INFO L276 IsEmpty]: Start isEmpty. Operand 224 states and 321 transitions. [2019-11-20 10:36:54,989 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 83 [2019-11-20 10:36:54,989 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:36:55,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:36:55,222 INFO L134 CoverageAnalysis]: Checked inductivity of 10 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 10:36:55,756 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:36:55,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 234 states and 337 transitions. [2019-11-20 10:36:55,760 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 337 transitions. [2019-11-20 10:36:55,764 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2019-11-20 10:36:55,769 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:36:55,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:36:55,863 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-11-20 10:36:56,730 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:36:56,732 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 355 states to 245 states and 355 transitions. [2019-11-20 10:36:56,733 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states and 355 transitions. [2019-11-20 10:36:56,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2019-11-20 10:36:56,735 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:36:56,761 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:36:56,792 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-11-20 10:36:57,033 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:36:57,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 361 states to 250 states and 361 transitions. [2019-11-20 10:36:57,034 INFO L276 IsEmpty]: Start isEmpty. Operand 250 states and 361 transitions. [2019-11-20 10:36:57,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2019-11-20 10:36:57,035 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:36:57,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:36:57,066 INFO L134 CoverageAnalysis]: Checked inductivity of 17 backedges. 14 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-11-20 10:36:57,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:36:57,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 364 states to 253 states and 364 transitions. [2019-11-20 10:36:57,217 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 364 transitions. [2019-11-20 10:36:57,220 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 90 [2019-11-20 10:36:57,220 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:36:57,231 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:36:57,260 INFO L134 CoverageAnalysis]: Checked inductivity of 23 backedges. 17 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-11-20 10:36:57,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:36:57,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 377 states to 264 states and 377 transitions. [2019-11-20 10:36:57,481 INFO L276 IsEmpty]: Start isEmpty. Operand 264 states and 377 transitions. [2019-11-20 10:36:57,484 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2019-11-20 10:36:57,484 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:36:57,499 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:36:57,540 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-11-20 10:36:58,184 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:36:58,185 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 390 states to 271 states and 390 transitions. [2019-11-20 10:36:58,185 INFO L276 IsEmpty]: Start isEmpty. Operand 271 states and 390 transitions. [2019-11-20 10:36:58,186 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2019-11-20 10:36:58,186 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:36:58,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:36:58,228 INFO L134 CoverageAnalysis]: Checked inductivity of 38 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-11-20 10:36:58,377 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:36:58,378 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 391 states to 273 states and 391 transitions. [2019-11-20 10:36:58,378 INFO L276 IsEmpty]: Start isEmpty. Operand 273 states and 391 transitions. [2019-11-20 10:36:58,380 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 96 [2019-11-20 10:36:58,380 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:36:58,390 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:36:58,411 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-11-20 10:36:58,480 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:36:58,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 393 states to 275 states and 393 transitions. [2019-11-20 10:36:58,481 INFO L276 IsEmpty]: Start isEmpty. Operand 275 states and 393 transitions. [2019-11-20 10:36:58,483 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2019-11-20 10:36:58,483 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:36:58,495 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:36:58,574 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 25 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2019-11-20 10:36:58,774 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:36:58,775 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 402 states to 283 states and 402 transitions. [2019-11-20 10:36:58,776 INFO L276 IsEmpty]: Start isEmpty. Operand 283 states and 402 transitions. [2019-11-20 10:36:58,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2019-11-20 10:36:58,777 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:36:58,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:36:58,971 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-11-20 10:36:59,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:36:59,646 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 409 states to 288 states and 409 transitions. [2019-11-20 10:36:59,647 INFO L276 IsEmpty]: Start isEmpty. Operand 288 states and 409 transitions. [2019-11-20 10:36:59,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2019-11-20 10:36:59,648 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:36:59,660 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:36:59,744 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 43 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-11-20 10:37:00,763 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:37:00,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 430 states to 301 states and 430 transitions. [2019-11-20 10:37:00,764 INFO L276 IsEmpty]: Start isEmpty. Operand 301 states and 430 transitions. [2019-11-20 10:37:00,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2019-11-20 10:37:00,766 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:37:00,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:37:00,801 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 43 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-11-20 10:37:01,291 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:37:01,292 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 436 states to 306 states and 436 transitions. [2019-11-20 10:37:01,296 INFO L276 IsEmpty]: Start isEmpty. Operand 306 states and 436 transitions. [2019-11-20 10:37:01,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2019-11-20 10:37:01,298 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:37:01,310 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:37:01,372 INFO L134 CoverageAnalysis]: Checked inductivity of 46 backedges. 43 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-11-20 10:37:01,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:37:01,622 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 439 states to 309 states and 439 transitions. [2019-11-20 10:37:01,622 INFO L276 IsEmpty]: Start isEmpty. Operand 309 states and 439 transitions. [2019-11-20 10:37:01,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2019-11-20 10:37:01,624 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:37:01,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:37:01,660 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 10:37:02,495 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:37:02,496 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 461 states to 328 states and 461 transitions. [2019-11-20 10:37:02,496 INFO L276 IsEmpty]: Start isEmpty. Operand 328 states and 461 transitions. [2019-11-20 10:37:02,497 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2019-11-20 10:37:02,498 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:37:02,515 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:37:02,553 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-11-20 10:37:02,958 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:37:02,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 481 states to 345 states and 481 transitions. [2019-11-20 10:37:02,960 INFO L276 IsEmpty]: Start isEmpty. Operand 345 states and 481 transitions. [2019-11-20 10:37:02,961 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2019-11-20 10:37:02,961 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:37:02,976 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:37:03,005 INFO L134 CoverageAnalysis]: Checked inductivity of 36 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2019-11-20 10:37:03,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:37:03,211 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 482 states to 347 states and 482 transitions. [2019-11-20 10:37:03,211 INFO L276 IsEmpty]: Start isEmpty. Operand 347 states and 482 transitions. [2019-11-20 10:37:03,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2019-11-20 10:37:03,214 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:37:03,227 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:37:03,433 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 10:37:04,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:37:04,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 516 states to 377 states and 516 transitions. [2019-11-20 10:37:04,406 INFO L276 IsEmpty]: Start isEmpty. Operand 377 states and 516 transitions. [2019-11-20 10:37:04,408 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 112 [2019-11-20 10:37:04,408 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:37:04,419 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:37:04,541 INFO L134 CoverageAnalysis]: Checked inductivity of 49 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-11-20 10:37:05,189 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:37:05,190 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 532 states to 393 states and 532 transitions. [2019-11-20 10:37:05,191 INFO L276 IsEmpty]: Start isEmpty. Operand 393 states and 532 transitions. [2019-11-20 10:37:05,192 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2019-11-20 10:37:05,192 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:37:05,206 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:37:05,706 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 49 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-11-20 10:37:07,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:37:07,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 559 states to 415 states and 559 transitions. [2019-11-20 10:37:07,262 INFO L276 IsEmpty]: Start isEmpty. Operand 415 states and 559 transitions. [2019-11-20 10:37:07,264 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 116 [2019-11-20 10:37:07,264 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:37:07,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:37:07,314 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 49 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-11-20 10:37:07,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:37:07,948 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 563 states to 420 states and 563 transitions. [2019-11-20 10:37:07,948 INFO L276 IsEmpty]: Start isEmpty. Operand 420 states and 563 transitions. [2019-11-20 10:37:07,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2019-11-20 10:37:07,949 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:37:07,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:37:07,980 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2019-11-20 10:37:08,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:37:08,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 574 states to 428 states and 574 transitions. [2019-11-20 10:37:08,891 INFO L276 IsEmpty]: Start isEmpty. Operand 428 states and 574 transitions. [2019-11-20 10:37:08,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2019-11-20 10:37:08,892 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:37:08,902 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:37:08,923 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2019-11-20 10:37:09,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:37:09,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 575 states to 429 states and 575 transitions. [2019-11-20 10:37:09,301 INFO L276 IsEmpty]: Start isEmpty. Operand 429 states and 575 transitions. [2019-11-20 10:37:09,302 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2019-11-20 10:37:09,303 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:37:09,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:37:09,671 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 70 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-11-20 10:37:11,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:37:11,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 592 states to 438 states and 592 transitions. [2019-11-20 10:37:11,672 INFO L276 IsEmpty]: Start isEmpty. Operand 438 states and 592 transitions. [2019-11-20 10:37:11,674 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2019-11-20 10:37:11,674 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:37:11,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:37:11,826 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 70 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-11-20 10:37:12,604 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:37:12,605 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 597 states to 441 states and 597 transitions. [2019-11-20 10:37:12,605 INFO L276 IsEmpty]: Start isEmpty. Operand 441 states and 597 transitions. [2019-11-20 10:37:12,606 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2019-11-20 10:37:12,606 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:37:12,619 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:37:12,737 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 70 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-11-20 10:37:13,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:37:13,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 599 states to 443 states and 599 transitions. [2019-11-20 10:37:13,002 INFO L276 IsEmpty]: Start isEmpty. Operand 443 states and 599 transitions. [2019-11-20 10:37:13,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2019-11-20 10:37:13,003 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:37:13,015 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:37:13,159 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-11-20 10:37:13,599 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:37:13,600 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 618 states to 459 states and 618 transitions. [2019-11-20 10:37:13,600 INFO L276 IsEmpty]: Start isEmpty. Operand 459 states and 618 transitions. [2019-11-20 10:37:13,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 131 [2019-11-20 10:37:13,601 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:37:13,614 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:37:13,640 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 64 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2019-11-20 10:37:13,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:37:13,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 630 states to 470 states and 630 transitions. [2019-11-20 10:37:13,715 INFO L276 IsEmpty]: Start isEmpty. Operand 470 states and 630 transitions. [2019-11-20 10:37:13,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2019-11-20 10:37:13,716 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:37:13,729 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:37:14,160 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 66 proven. 1 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2019-11-20 10:37:16,318 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:37:16,319 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 679 states to 512 states and 679 transitions. [2019-11-20 10:37:16,319 INFO L276 IsEmpty]: Start isEmpty. Operand 512 states and 679 transitions. [2019-11-20 10:37:16,320 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2019-11-20 10:37:16,320 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:37:16,332 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:37:16,460 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 66 proven. 1 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2019-11-20 10:37:17,136 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:37:17,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 685 states to 519 states and 685 transitions. [2019-11-20 10:37:17,139 INFO L276 IsEmpty]: Start isEmpty. Operand 519 states and 685 transitions. [2019-11-20 10:37:17,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2019-11-20 10:37:17,140 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:37:17,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:37:17,651 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 89 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 10:37:20,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:37:20,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 727 states to 550 states and 727 transitions. [2019-11-20 10:37:20,139 INFO L276 IsEmpty]: Start isEmpty. Operand 550 states and 727 transitions. [2019-11-20 10:37:20,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2019-11-20 10:37:20,140 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:37:20,152 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:37:20,221 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 89 proven. 1 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 10:37:21,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:37:21,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 733 states to 555 states and 733 transitions. [2019-11-20 10:37:21,129 INFO L276 IsEmpty]: Start isEmpty. Operand 555 states and 733 transitions. [2019-11-20 10:37:21,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2019-11-20 10:37:21,131 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:37:21,143 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:37:21,170 INFO L134 CoverageAnalysis]: Checked inductivity of 74 backedges. 63 proven. 0 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2019-11-20 10:37:22,023 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:37:22,024 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 763 states to 580 states and 763 transitions. [2019-11-20 10:37:22,025 INFO L276 IsEmpty]: Start isEmpty. Operand 580 states and 763 transitions. [2019-11-20 10:37:22,026 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2019-11-20 10:37:22,026 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:37:22,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:37:22,065 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 71 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2019-11-20 10:37:22,120 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:37:22,121 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 770 states to 587 states and 770 transitions. [2019-11-20 10:37:22,121 INFO L276 IsEmpty]: Start isEmpty. Operand 587 states and 770 transitions. [2019-11-20 10:37:22,122 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2019-11-20 10:37:22,122 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:37:22,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:37:23,043 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 74 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 10:37:26,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:37:26,685 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 815 states to 619 states and 815 transitions. [2019-11-20 10:37:26,686 INFO L276 IsEmpty]: Start isEmpty. Operand 619 states and 815 transitions. [2019-11-20 10:37:26,686 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2019-11-20 10:37:26,686 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:37:26,702 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:37:26,793 INFO L134 CoverageAnalysis]: Checked inductivity of 95 backedges. 74 proven. 21 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 10:37:27,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:37:27,793 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 823 states to 626 states and 823 transitions. [2019-11-20 10:37:27,793 INFO L276 IsEmpty]: Start isEmpty. Operand 626 states and 823 transitions. [2019-11-20 10:37:27,794 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2019-11-20 10:37:27,794 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:37:27,805 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:37:27,842 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 71 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2019-11-20 10:37:27,945 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:37:27,946 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 838 states to 642 states and 838 transitions. [2019-11-20 10:37:27,946 INFO L276 IsEmpty]: Start isEmpty. Operand 642 states and 838 transitions. [2019-11-20 10:37:27,947 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2019-11-20 10:37:27,947 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:37:27,959 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:37:27,987 INFO L134 CoverageAnalysis]: Checked inductivity of 85 backedges. 71 proven. 0 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2019-11-20 10:37:28,368 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:37:28,369 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 841 states to 645 states and 841 transitions. [2019-11-20 10:37:28,369 INFO L276 IsEmpty]: Start isEmpty. Operand 645 states and 841 transitions. [2019-11-20 10:37:28,370 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2019-11-20 10:37:28,370 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:37:28,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:37:29,094 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 68 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 10:37:31,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:37:31,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 908 states to 710 states and 908 transitions. [2019-11-20 10:37:31,666 INFO L276 IsEmpty]: Start isEmpty. Operand 710 states and 908 transitions. [2019-11-20 10:37:31,666 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2019-11-20 10:37:31,666 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:37:31,680 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:37:32,676 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 68 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-11-20 10:37:36,866 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:37:36,867 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 968 states to 765 states and 968 transitions. [2019-11-20 10:37:36,867 INFO L276 IsEmpty]: Start isEmpty. Operand 765 states and 968 transitions. [2019-11-20 10:37:36,868 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2019-11-20 10:37:36,868 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:37:36,880 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:37:37,676 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 75 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 10:37:41,134 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:37:41,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1050 states to 833 states and 1050 transitions. [2019-11-20 10:37:41,136 INFO L276 IsEmpty]: Start isEmpty. Operand 833 states and 1050 transitions. [2019-11-20 10:37:41,136 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2019-11-20 10:37:41,137 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:37:41,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:37:41,262 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 75 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 10:37:41,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:37:41,892 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1054 states to 837 states and 1054 transitions. [2019-11-20 10:37:41,893 INFO L276 IsEmpty]: Start isEmpty. Operand 837 states and 1054 transitions. [2019-11-20 10:37:41,894 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2019-11-20 10:37:41,894 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:37:41,911 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:37:41,964 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 6 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2019-11-20 10:37:42,018 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:37:42,019 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1054 states to 838 states and 1054 transitions. [2019-11-20 10:37:42,019 INFO L276 IsEmpty]: Start isEmpty. Operand 838 states and 1054 transitions. [2019-11-20 10:37:42,021 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2019-11-20 10:37:42,021 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:37:42,036 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:37:42,090 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 81 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 10:37:42,324 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:37:42,325 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1093 states to 877 states and 1093 transitions. [2019-11-20 10:37:42,326 INFO L276 IsEmpty]: Start isEmpty. Operand 877 states and 1093 transitions. [2019-11-20 10:37:42,328 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2019-11-20 10:37:42,328 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:37:42,343 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:37:42,908 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 97 proven. 27 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-11-20 10:37:44,010 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:37:44,011 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1105 states to 885 states and 1105 transitions. [2019-11-20 10:37:44,012 INFO L276 IsEmpty]: Start isEmpty. Operand 885 states and 1105 transitions. [2019-11-20 10:37:44,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2019-11-20 10:37:44,013 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:37:44,030 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:37:44,274 INFO L134 CoverageAnalysis]: Checked inductivity of 125 backedges. 97 proven. 27 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-11-20 10:37:45,044 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:37:45,045 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1110 states to 890 states and 1110 transitions. [2019-11-20 10:37:45,045 INFO L276 IsEmpty]: Start isEmpty. Operand 890 states and 1110 transitions. [2019-11-20 10:37:45,046 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2019-11-20 10:37:45,046 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:37:45,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:37:45,413 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 81 proven. 0 refuted. 0 times theorem prover too weak. 1 trivial. 0 not checked. [2019-11-20 10:37:46,381 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:37:46,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1180 states to 959 states and 1180 transitions. [2019-11-20 10:37:46,382 INFO L276 IsEmpty]: Start isEmpty. Operand 959 states and 1180 transitions. [2019-11-20 10:37:46,383 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2019-11-20 10:37:46,383 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:37:46,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:37:46,571 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 85 proven. 1 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2019-11-20 10:37:48,628 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:37:48,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1207 states to 979 states and 1207 transitions. [2019-11-20 10:37:48,629 INFO L276 IsEmpty]: Start isEmpty. Operand 979 states and 1207 transitions. [2019-11-20 10:37:48,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2019-11-20 10:37:48,630 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:37:48,642 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:37:48,793 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 85 proven. 1 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2019-11-20 10:37:49,210 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:37:49,212 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1208 states to 981 states and 1208 transitions. [2019-11-20 10:37:49,212 INFO L276 IsEmpty]: Start isEmpty. Operand 981 states and 1208 transitions. [2019-11-20 10:37:49,213 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 152 [2019-11-20 10:37:49,213 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:37:49,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:37:49,545 INFO L134 CoverageAnalysis]: Checked inductivity of 133 backedges. 103 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2019-11-20 10:37:50,020 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:37:50,021 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1210 states to 983 states and 1210 transitions. [2019-11-20 10:37:50,022 INFO L276 IsEmpty]: Start isEmpty. Operand 983 states and 1210 transitions. [2019-11-20 10:37:50,023 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 158 [2019-11-20 10:37:50,023 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:37:50,038 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:37:50,090 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 84 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2019-11-20 10:37:50,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:37:50,175 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1212 states to 985 states and 1212 transitions. [2019-11-20 10:37:50,175 INFO L276 IsEmpty]: Start isEmpty. Operand 985 states and 1212 transitions. [2019-11-20 10:37:50,176 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2019-11-20 10:37:50,176 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:37:50,187 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:37:50,240 INFO L134 CoverageAnalysis]: Checked inductivity of 117 backedges. 88 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2019-11-20 10:37:51,036 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:37:51,037 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1215 states to 989 states and 1215 transitions. [2019-11-20 10:37:51,037 INFO L276 IsEmpty]: Start isEmpty. Operand 989 states and 1215 transitions. [2019-11-20 10:37:51,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 167 [2019-11-20 10:37:51,039 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:37:51,054 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:37:51,116 INFO L134 CoverageAnalysis]: Checked inductivity of 131 backedges. 111 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2019-11-20 10:37:51,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:37:51,406 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1219 states to 992 states and 1219 transitions. [2019-11-20 10:37:51,406 INFO L276 IsEmpty]: Start isEmpty. Operand 992 states and 1219 transitions. [2019-11-20 10:37:51,407 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2019-11-20 10:37:51,407 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:37:51,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:37:52,544 INFO L134 CoverageAnalysis]: Checked inductivity of 181 backedges. 161 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 10:37:56,199 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:37:56,200 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1249 states to 1018 states and 1249 transitions. [2019-11-20 10:37:56,200 INFO L276 IsEmpty]: Start isEmpty. Operand 1018 states and 1249 transitions. [2019-11-20 10:37:56,201 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2019-11-20 10:37:56,201 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:37:56,216 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:37:56,328 INFO L134 CoverageAnalysis]: Checked inductivity of 181 backedges. 161 proven. 20 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 10:37:57,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:37:57,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1253 states to 1021 states and 1253 transitions. [2019-11-20 10:37:57,180 INFO L276 IsEmpty]: Start isEmpty. Operand 1021 states and 1253 transitions. [2019-11-20 10:37:57,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2019-11-20 10:37:57,182 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:37:57,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:37:57,244 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 157 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2019-11-20 10:38:00,095 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:38:00,096 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1302 states to 1059 states and 1302 transitions. [2019-11-20 10:38:00,096 INFO L276 IsEmpty]: Start isEmpty. Operand 1059 states and 1302 transitions. [2019-11-20 10:38:00,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2019-11-20 10:38:00,098 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:38:00,115 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:38:00,186 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 157 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2019-11-20 10:38:01,537 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:38:01,538 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1336 states to 1092 states and 1336 transitions. [2019-11-20 10:38:01,538 INFO L276 IsEmpty]: Start isEmpty. Operand 1092 states and 1336 transitions. [2019-11-20 10:38:01,540 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2019-11-20 10:38:01,540 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:38:01,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:38:02,216 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 109 proven. 32 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 10:38:08,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:38:08,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1403 states to 1150 states and 1403 transitions. [2019-11-20 10:38:08,513 INFO L276 IsEmpty]: Start isEmpty. Operand 1150 states and 1403 transitions. [2019-11-20 10:38:08,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2019-11-20 10:38:08,515 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:38:08,528 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:38:08,748 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 109 proven. 32 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 10:38:10,707 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:38:10,708 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1436 states to 1183 states and 1436 transitions. [2019-11-20 10:38:10,708 INFO L276 IsEmpty]: Start isEmpty. Operand 1183 states and 1436 transitions. [2019-11-20 10:38:10,710 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2019-11-20 10:38:10,710 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:38:10,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:38:11,036 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 109 proven. 32 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 10:38:12,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:38:12,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1463 states to 1207 states and 1463 transitions. [2019-11-20 10:38:12,590 INFO L276 IsEmpty]: Start isEmpty. Operand 1207 states and 1463 transitions. [2019-11-20 10:38:12,591 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2019-11-20 10:38:12,591 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:38:12,606 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:38:13,757 INFO L134 CoverageAnalysis]: Checked inductivity of 223 backedges. 186 proven. 8 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2019-11-20 10:38:15,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:38:15,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1464 states to 1208 states and 1464 transitions. [2019-11-20 10:38:15,257 INFO L276 IsEmpty]: Start isEmpty. Operand 1208 states and 1464 transitions. [2019-11-20 10:38:15,259 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2019-11-20 10:38:15,259 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:38:15,272 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:38:15,382 INFO L134 CoverageAnalysis]: Checked inductivity of 223 backedges. 186 proven. 8 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2019-11-20 10:38:15,999 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:38:16,001 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1468 states to 1212 states and 1468 transitions. [2019-11-20 10:38:16,002 INFO L276 IsEmpty]: Start isEmpty. Operand 1212 states and 1468 transitions. [2019-11-20 10:38:16,003 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2019-11-20 10:38:16,004 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:38:16,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:38:16,124 INFO L134 CoverageAnalysis]: Checked inductivity of 223 backedges. 186 proven. 8 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2019-11-20 10:38:17,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:38:17,066 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1486 states to 1229 states and 1486 transitions. [2019-11-20 10:38:17,066 INFO L276 IsEmpty]: Start isEmpty. Operand 1229 states and 1486 transitions. [2019-11-20 10:38:17,067 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2019-11-20 10:38:17,067 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:38:17,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:38:18,499 INFO L134 CoverageAnalysis]: Checked inductivity of 170 backedges. 129 proven. 41 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 10:38:25,792 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:38:25,794 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1560 states to 1284 states and 1560 transitions. [2019-11-20 10:38:25,794 INFO L276 IsEmpty]: Start isEmpty. Operand 1284 states and 1560 transitions. [2019-11-20 10:38:25,796 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2019-11-20 10:38:25,796 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:38:25,812 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:38:26,154 INFO L134 CoverageAnalysis]: Checked inductivity of 170 backedges. 129 proven. 41 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 10:38:28,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:38:28,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1584 states to 1304 states and 1584 transitions. [2019-11-20 10:38:28,815 INFO L276 IsEmpty]: Start isEmpty. Operand 1304 states and 1584 transitions. [2019-11-20 10:38:28,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2019-11-20 10:38:28,816 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:38:28,832 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:38:29,157 INFO L134 CoverageAnalysis]: Checked inductivity of 170 backedges. 129 proven. 41 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 10:38:31,522 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:38:31,523 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1618 states to 1337 states and 1618 transitions. [2019-11-20 10:38:31,523 INFO L276 IsEmpty]: Start isEmpty. Operand 1337 states and 1618 transitions. [2019-11-20 10:38:31,525 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2019-11-20 10:38:31,525 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:38:31,537 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:38:31,902 INFO L134 CoverageAnalysis]: Checked inductivity of 170 backedges. 129 proven. 41 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-11-20 10:38:33,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:38:33,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1646 states to 1361 states and 1646 transitions. [2019-11-20 10:38:33,180 INFO L276 IsEmpty]: Start isEmpty. Operand 1361 states and 1646 transitions. [2019-11-20 10:38:33,182 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2019-11-20 10:38:33,182 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:38:33,195 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:38:35,191 INFO L134 CoverageAnalysis]: Checked inductivity of 174 backedges. 145 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2019-11-20 10:38:40,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:38:40,869 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1701 states to 1409 states and 1701 transitions. [2019-11-20 10:38:40,869 INFO L276 IsEmpty]: Start isEmpty. Operand 1409 states and 1701 transitions. [2019-11-20 10:38:40,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2019-11-20 10:38:40,871 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:38:40,882 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:38:41,034 INFO L134 CoverageAnalysis]: Checked inductivity of 174 backedges. 145 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2019-11-20 10:38:42,308 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:38:42,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1701 states to 1411 states and 1701 transitions. [2019-11-20 10:38:42,310 INFO L276 IsEmpty]: Start isEmpty. Operand 1411 states and 1701 transitions. [2019-11-20 10:38:42,312 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2019-11-20 10:38:42,312 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:38:42,443 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:38:42,723 INFO L134 CoverageAnalysis]: Checked inductivity of 218 backedges. 125 proven. 0 refuted. 0 times theorem prover too weak. 93 trivial. 0 not checked. [2019-11-20 10:38:44,225 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:38:44,226 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1777 states to 1481 states and 1777 transitions. [2019-11-20 10:38:44,226 INFO L276 IsEmpty]: Start isEmpty. Operand 1481 states and 1777 transitions. [2019-11-20 10:38:44,228 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2019-11-20 10:38:44,228 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:38:44,240 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:38:45,575 INFO L134 CoverageAnalysis]: Checked inductivity of 188 backedges. 184 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-11-20 10:38:48,754 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:38:48,756 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1784 states to 1485 states and 1784 transitions. [2019-11-20 10:38:48,756 INFO L276 IsEmpty]: Start isEmpty. Operand 1485 states and 1784 transitions. [2019-11-20 10:38:48,758 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2019-11-20 10:38:48,758 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:38:48,770 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:38:48,980 INFO L134 CoverageAnalysis]: Checked inductivity of 188 backedges. 184 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2019-11-20 10:38:50,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:38:50,258 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1788 states to 1488 states and 1788 transitions. [2019-11-20 10:38:50,258 INFO L276 IsEmpty]: Start isEmpty. Operand 1488 states and 1788 transitions. [2019-11-20 10:38:50,260 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2019-11-20 10:38:50,260 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:38:50,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:38:50,872 INFO L134 CoverageAnalysis]: Checked inductivity of 185 backedges. 127 proven. 0 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2019-11-20 10:38:52,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:38:52,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1863 states to 1558 states and 1863 transitions. [2019-11-20 10:38:52,464 INFO L276 IsEmpty]: Start isEmpty. Operand 1558 states and 1863 transitions. [2019-11-20 10:38:52,466 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 206 [2019-11-20 10:38:52,466 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:38:52,484 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:38:53,241 INFO L134 CoverageAnalysis]: Checked inductivity of 248 backedges. 133 proven. 0 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2019-11-20 10:38:55,539 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:38:55,541 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1939 states to 1628 states and 1939 transitions. [2019-11-20 10:38:55,541 INFO L276 IsEmpty]: Start isEmpty. Operand 1628 states and 1939 transitions. [2019-11-20 10:38:55,543 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 217 [2019-11-20 10:38:55,543 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:38:55,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:38:55,617 INFO L134 CoverageAnalysis]: Checked inductivity of 294 backedges. 144 proven. 0 refuted. 0 times theorem prover too weak. 150 trivial. 0 not checked. [2019-11-20 10:38:57,133 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:38:57,135 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2013 states to 1697 states and 2013 transitions. [2019-11-20 10:38:57,135 INFO L276 IsEmpty]: Start isEmpty. Operand 1697 states and 2013 transitions. [2019-11-20 10:38:57,137 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 269 [2019-11-20 10:38:57,137 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:38:57,164 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:38:59,480 INFO L134 CoverageAnalysis]: Checked inductivity of 413 backedges. 319 proven. 0 refuted. 0 times theorem prover too weak. 94 trivial. 0 not checked. [2019-11-20 10:39:19,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:39:19,959 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2160 states to 1812 states and 2160 transitions. [2019-11-20 10:39:19,960 INFO L276 IsEmpty]: Start isEmpty. Operand 1812 states and 2160 transitions. [2019-11-20 10:39:19,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 271 [2019-11-20 10:39:19,962 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:39:19,985 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:39:21,042 INFO L134 CoverageAnalysis]: Checked inductivity of 382 backedges. 312 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2019-11-20 10:39:24,614 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:39:24,617 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2185 states to 1833 states and 2185 transitions. [2019-11-20 10:39:24,617 INFO L276 IsEmpty]: Start isEmpty. Operand 1833 states and 2185 transitions. [2019-11-20 10:39:24,621 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 271 [2019-11-20 10:39:24,621 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:39:24,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:39:25,087 INFO L134 CoverageAnalysis]: Checked inductivity of 382 backedges. 312 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2019-11-20 10:39:27,457 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:39:27,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2192 states to 1840 states and 2192 transitions. [2019-11-20 10:39:27,459 INFO L276 IsEmpty]: Start isEmpty. Operand 1840 states and 2192 transitions. [2019-11-20 10:39:27,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 271 [2019-11-20 10:39:27,463 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:39:27,488 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:39:27,942 INFO L134 CoverageAnalysis]: Checked inductivity of 382 backedges. 312 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2019-11-20 10:39:28,892 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:39:28,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2196 states to 1843 states and 2196 transitions. [2019-11-20 10:39:28,894 INFO L276 IsEmpty]: Start isEmpty. Operand 1843 states and 2196 transitions. [2019-11-20 10:39:28,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 271 [2019-11-20 10:39:28,895 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:39:28,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:39:29,378 INFO L134 CoverageAnalysis]: Checked inductivity of 382 backedges. 312 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2019-11-20 10:39:30,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:39:30,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2197 states to 1845 states and 2197 transitions. [2019-11-20 10:39:30,218 INFO L276 IsEmpty]: Start isEmpty. Operand 1845 states and 2197 transitions. [2019-11-20 10:39:30,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 275 [2019-11-20 10:39:30,219 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:39:30,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:39:31,206 INFO L134 CoverageAnalysis]: Checked inductivity of 413 backedges. 189 proven. 11 refuted. 0 times theorem prover too weak. 213 trivial. 0 not checked. [2019-11-20 10:39:32,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:39:32,738 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2200 states to 1847 states and 2200 transitions. [2019-11-20 10:39:32,738 INFO L276 IsEmpty]: Start isEmpty. Operand 1847 states and 2200 transitions. [2019-11-20 10:39:32,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 277 [2019-11-20 10:39:32,740 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:39:32,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:39:33,534 INFO L134 CoverageAnalysis]: Checked inductivity of 451 backedges. 335 proven. 0 refuted. 0 times theorem prover too weak. 116 trivial. 0 not checked. [2019-11-20 10:39:48,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:39:48,482 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2344 states to 1971 states and 2344 transitions. [2019-11-20 10:39:48,483 INFO L276 IsEmpty]: Start isEmpty. Operand 1971 states and 2344 transitions. [2019-11-20 10:39:48,485 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 278 [2019-11-20 10:39:48,485 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:39:48,503 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:39:51,838 INFO L134 CoverageAnalysis]: Checked inductivity of 431 backedges. 339 proven. 0 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2019-11-20 10:39:54,273 WARN L191 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 41 [2019-11-20 10:40:00,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:40:00,294 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2390 states to 2014 states and 2390 transitions. [2019-11-20 10:40:00,294 INFO L276 IsEmpty]: Start isEmpty. Operand 2014 states and 2390 transitions. [2019-11-20 10:40:00,296 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 278 [2019-11-20 10:40:00,296 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:40:00,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:40:00,900 INFO L134 CoverageAnalysis]: Checked inductivity of 431 backedges. 339 proven. 0 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2019-11-20 10:40:01,908 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:40:01,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2389 states to 2014 states and 2389 transitions. [2019-11-20 10:40:01,910 INFO L276 IsEmpty]: Start isEmpty. Operand 2014 states and 2389 transitions. [2019-11-20 10:40:01,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 281 [2019-11-20 10:40:01,911 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:40:01,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:40:04,990 INFO L134 CoverageAnalysis]: Checked inductivity of 443 backedges. 339 proven. 0 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2019-11-20 10:40:15,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:40:15,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2439 states to 2062 states and 2439 transitions. [2019-11-20 10:40:15,348 INFO L276 IsEmpty]: Start isEmpty. Operand 2062 states and 2439 transitions. [2019-11-20 10:40:15,350 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 284 [2019-11-20 10:40:15,350 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:40:15,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:40:18,236 INFO L134 CoverageAnalysis]: Checked inductivity of 449 backedges. 345 proven. 0 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2019-11-20 10:40:24,408 WARN L191 SmtUtils]: Spent 244.00 ms on a formula simplification that was a NOOP. DAG size: 45 [2019-11-20 10:40:29,375 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:40:29,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2482 states to 2101 states and 2482 transitions. [2019-11-20 10:40:29,376 INFO L276 IsEmpty]: Start isEmpty. Operand 2101 states and 2482 transitions. [2019-11-20 10:40:29,378 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 284 [2019-11-20 10:40:29,378 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:40:29,394 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:40:29,737 INFO L134 CoverageAnalysis]: Checked inductivity of 449 backedges. 345 proven. 0 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2019-11-20 10:40:32,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:40:32,266 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2485 states to 2104 states and 2485 transitions. [2019-11-20 10:40:32,266 INFO L276 IsEmpty]: Start isEmpty. Operand 2104 states and 2485 transitions. [2019-11-20 10:40:32,267 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 284 [2019-11-20 10:40:32,268 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:40:32,288 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:40:32,633 INFO L134 CoverageAnalysis]: Checked inductivity of 449 backedges. 345 proven. 0 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2019-11-20 10:40:35,573 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:40:35,574 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2492 states to 2111 states and 2492 transitions. [2019-11-20 10:40:35,574 INFO L276 IsEmpty]: Start isEmpty. Operand 2111 states and 2492 transitions. [2019-11-20 10:40:35,576 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 284 [2019-11-20 10:40:35,576 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:40:35,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:40:35,842 INFO L134 CoverageAnalysis]: Checked inductivity of 449 backedges. 345 proven. 0 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2019-11-20 10:40:36,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:40:36,595 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2492 states to 2112 states and 2492 transitions. [2019-11-20 10:40:36,595 INFO L276 IsEmpty]: Start isEmpty. Operand 2112 states and 2492 transitions. [2019-11-20 10:40:36,597 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 284 [2019-11-20 10:40:36,597 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:40:36,613 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:40:36,882 INFO L134 CoverageAnalysis]: Checked inductivity of 449 backedges. 345 proven. 0 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2019-11-20 10:40:42,913 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:40:42,914 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2526 states to 2147 states and 2526 transitions. [2019-11-20 10:40:42,915 INFO L276 IsEmpty]: Start isEmpty. Operand 2147 states and 2526 transitions. [2019-11-20 10:40:42,916 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 285 [2019-11-20 10:40:42,917 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:40:42,942 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:40:44,260 INFO L134 CoverageAnalysis]: Checked inductivity of 496 backedges. 402 proven. 0 refuted. 0 times theorem prover too weak. 94 trivial. 0 not checked. [2019-11-20 10:40:48,907 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:40:48,909 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2540 states to 2159 states and 2540 transitions. [2019-11-20 10:40:48,909 INFO L276 IsEmpty]: Start isEmpty. Operand 2159 states and 2540 transitions. [2019-11-20 10:40:48,910 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 285 [2019-11-20 10:40:48,910 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:40:48,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:40:49,120 INFO L134 CoverageAnalysis]: Checked inductivity of 496 backedges. 402 proven. 0 refuted. 0 times theorem prover too weak. 94 trivial. 0 not checked. [2019-11-20 10:40:51,511 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:40:51,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2611 states to 2229 states and 2611 transitions. [2019-11-20 10:40:51,513 INFO L276 IsEmpty]: Start isEmpty. Operand 2229 states and 2611 transitions. [2019-11-20 10:40:51,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 287 [2019-11-20 10:40:51,514 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:40:51,535 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:40:51,821 INFO L134 CoverageAnalysis]: Checked inductivity of 430 backedges. 342 proven. 5 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2019-11-20 10:40:52,482 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:40:52,484 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2612 states to 2231 states and 2612 transitions. [2019-11-20 10:40:52,484 INFO L276 IsEmpty]: Start isEmpty. Operand 2231 states and 2612 transitions. [2019-11-20 10:40:52,486 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 294 [2019-11-20 10:40:52,486 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:40:52,507 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:40:55,369 INFO L134 CoverageAnalysis]: Checked inductivity of 532 backedges. 430 proven. 0 refuted. 0 times theorem prover too weak. 102 trivial. 0 not checked. [2019-11-20 10:40:59,701 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:40:59,702 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2626 states to 2242 states and 2626 transitions. [2019-11-20 10:40:59,702 INFO L276 IsEmpty]: Start isEmpty. Operand 2242 states and 2626 transitions. [2019-11-20 10:40:59,704 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 294 [2019-11-20 10:40:59,704 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:40:59,725 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:40:59,989 INFO L134 CoverageAnalysis]: Checked inductivity of 532 backedges. 430 proven. 0 refuted. 0 times theorem prover too weak. 102 trivial. 0 not checked. [2019-11-20 10:41:03,702 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:41:03,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2675 states to 2292 states and 2675 transitions. [2019-11-20 10:41:03,704 INFO L276 IsEmpty]: Start isEmpty. Operand 2292 states and 2675 transitions. [2019-11-20 10:41:03,705 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 302 [2019-11-20 10:41:03,705 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:41:03,724 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:41:04,887 INFO L134 CoverageAnalysis]: Checked inductivity of 550 backedges. 476 proven. 4 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2019-11-20 10:41:07,175 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:41:07,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2681 states to 2296 states and 2681 transitions. [2019-11-20 10:41:07,177 INFO L276 IsEmpty]: Start isEmpty. Operand 2296 states and 2681 transitions. [2019-11-20 10:41:07,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 302 [2019-11-20 10:41:07,178 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:41:07,197 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:41:07,758 INFO L134 CoverageAnalysis]: Checked inductivity of 550 backedges. 476 proven. 4 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2019-11-20 10:41:08,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:41:08,716 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2684 states to 2299 states and 2684 transitions. [2019-11-20 10:41:08,716 INFO L276 IsEmpty]: Start isEmpty. Operand 2299 states and 2684 transitions. [2019-11-20 10:41:08,718 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 311 [2019-11-20 10:41:08,719 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:41:08,740 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:41:09,835 INFO L134 CoverageAnalysis]: Checked inductivity of 554 backedges. 346 proven. 0 refuted. 0 times theorem prover too weak. 208 trivial. 0 not checked. [2019-11-20 10:41:16,213 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:41:16,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2704 states to 2319 states and 2704 transitions. [2019-11-20 10:41:16,215 INFO L276 IsEmpty]: Start isEmpty. Operand 2319 states and 2704 transitions. [2019-11-20 10:41:16,217 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 311 [2019-11-20 10:41:16,217 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:41:16,238 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:41:16,601 INFO L134 CoverageAnalysis]: Checked inductivity of 554 backedges. 346 proven. 0 refuted. 0 times theorem prover too weak. 208 trivial. 0 not checked. [2019-11-20 10:41:19,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:41:19,943 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2724 states to 2338 states and 2724 transitions. [2019-11-20 10:41:19,943 INFO L276 IsEmpty]: Start isEmpty. Operand 2338 states and 2724 transitions. [2019-11-20 10:41:19,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 311 [2019-11-20 10:41:19,945 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:41:19,960 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:41:20,335 INFO L134 CoverageAnalysis]: Checked inductivity of 554 backedges. 346 proven. 0 refuted. 0 times theorem prover too weak. 208 trivial. 0 not checked. [2019-11-20 10:41:21,272 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:41:21,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2725 states to 2340 states and 2725 transitions. [2019-11-20 10:41:21,275 INFO L276 IsEmpty]: Start isEmpty. Operand 2340 states and 2725 transitions. [2019-11-20 10:41:21,278 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 314 [2019-11-20 10:41:21,278 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:41:21,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:41:25,070 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 497 proven. 0 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2019-11-20 10:41:30,776 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:41:30,777 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2739 states to 2351 states and 2739 transitions. [2019-11-20 10:41:30,777 INFO L276 IsEmpty]: Start isEmpty. Operand 2351 states and 2739 transitions. [2019-11-20 10:41:30,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 314 [2019-11-20 10:41:30,781 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:41:30,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:41:31,107 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 497 proven. 0 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2019-11-20 10:41:34,990 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:41:34,991 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2758 states to 2370 states and 2758 transitions. [2019-11-20 10:41:34,991 INFO L276 IsEmpty]: Start isEmpty. Operand 2370 states and 2758 transitions. [2019-11-20 10:41:34,993 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 314 [2019-11-20 10:41:34,993 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:41:35,016 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:41:35,299 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 497 proven. 0 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2019-11-20 10:41:36,942 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:41:36,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2775 states to 2388 states and 2775 transitions. [2019-11-20 10:41:36,944 INFO L276 IsEmpty]: Start isEmpty. Operand 2388 states and 2775 transitions. [2019-11-20 10:41:36,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 315 [2019-11-20 10:41:36,946 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:41:36,969 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:41:38,165 INFO L134 CoverageAnalysis]: Checked inductivity of 656 backedges. 541 proven. 0 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2019-11-20 10:41:39,632 WARN L191 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 45 [2019-11-20 10:41:41,077 WARN L191 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 45 [2019-11-20 10:41:41,788 WARN L191 SmtUtils]: Spent 112.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 45 [2019-11-20 10:41:42,470 WARN L191 SmtUtils]: Spent 107.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 45 [2019-11-20 10:41:47,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:41:47,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2839 states to 2449 states and 2839 transitions. [2019-11-20 10:41:47,111 INFO L276 IsEmpty]: Start isEmpty. Operand 2449 states and 2839 transitions. [2019-11-20 10:41:47,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 315 [2019-11-20 10:41:47,113 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:41:47,137 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:41:47,382 INFO L134 CoverageAnalysis]: Checked inductivity of 656 backedges. 541 proven. 0 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2019-11-20 10:41:47,544 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:41:47,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2846 states to 2457 states and 2846 transitions. [2019-11-20 10:41:47,546 INFO L276 IsEmpty]: Start isEmpty. Operand 2457 states and 2846 transitions. [2019-11-20 10:41:47,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 316 [2019-11-20 10:41:47,548 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:41:47,571 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:41:48,462 INFO L134 CoverageAnalysis]: Checked inductivity of 569 backedges. 413 proven. 0 refuted. 0 times theorem prover too weak. 156 trivial. 0 not checked. [2019-11-20 10:41:53,577 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:41:53,579 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2884 states to 2487 states and 2884 transitions. [2019-11-20 10:41:53,579 INFO L276 IsEmpty]: Start isEmpty. Operand 2487 states and 2884 transitions. [2019-11-20 10:41:53,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 316 [2019-11-20 10:41:53,581 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:41:53,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:41:53,853 INFO L134 CoverageAnalysis]: Checked inductivity of 569 backedges. 413 proven. 0 refuted. 0 times theorem prover too weak. 156 trivial. 0 not checked. [2019-11-20 10:41:57,498 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:41:57,500 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2957 states to 2560 states and 2957 transitions. [2019-11-20 10:41:57,501 INFO L276 IsEmpty]: Start isEmpty. Operand 2560 states and 2957 transitions. [2019-11-20 10:41:57,504 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 328 [2019-11-20 10:41:57,504 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:41:57,541 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:42:02,017 INFO L134 CoverageAnalysis]: Checked inductivity of 701 backedges. 513 proven. 94 refuted. 0 times theorem prover too weak. 94 trivial. 0 not checked. [2019-11-20 10:42:04,845 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 47 [2019-11-20 10:42:06,133 WARN L191 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 44 [2019-11-20 10:42:07,243 WARN L191 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 47 [2019-11-20 10:42:08,821 WARN L191 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 47 [2019-11-20 10:42:09,615 WARN L191 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 47 [2019-11-20 10:42:10,398 WARN L191 SmtUtils]: Spent 179.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 46 [2019-11-20 10:42:11,121 WARN L191 SmtUtils]: Spent 123.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 47 [2019-11-20 10:42:11,849 WARN L191 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 47 [2019-11-20 10:42:15,663 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:42:15,665 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3003 states to 2603 states and 3003 transitions. [2019-11-20 10:42:15,665 INFO L276 IsEmpty]: Start isEmpty. Operand 2603 states and 3003 transitions. [2019-11-20 10:42:15,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 328 [2019-11-20 10:42:15,667 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:42:15,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:42:16,051 INFO L134 CoverageAnalysis]: Checked inductivity of 701 backedges. 513 proven. 94 refuted. 0 times theorem prover too weak. 94 trivial. 0 not checked. [2019-11-20 10:42:16,401 WARN L191 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 42 [2019-11-20 10:42:17,165 WARN L191 SmtUtils]: Spent 189.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 42 [2019-11-20 10:42:18,214 WARN L191 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 42 [2019-11-20 10:42:20,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:42:20,772 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3027 states to 2629 states and 3027 transitions. [2019-11-20 10:42:20,772 INFO L276 IsEmpty]: Start isEmpty. Operand 2629 states and 3027 transitions. [2019-11-20 10:42:20,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 333 [2019-11-20 10:42:20,774 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:42:20,798 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:42:24,924 INFO L134 CoverageAnalysis]: Checked inductivity of 726 backedges. 611 proven. 0 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2019-11-20 10:42:30,592 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:42:30,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3033 states to 2633 states and 3033 transitions. [2019-11-20 10:42:30,594 INFO L276 IsEmpty]: Start isEmpty. Operand 2633 states and 3033 transitions. [2019-11-20 10:42:30,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 333 [2019-11-20 10:42:30,596 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:42:30,622 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:42:30,964 INFO L134 CoverageAnalysis]: Checked inductivity of 726 backedges. 611 proven. 0 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2019-11-20 10:42:33,962 WARN L191 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 41 [2019-11-20 10:42:36,284 WARN L191 SmtUtils]: Spent 423.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 39 [2019-11-20 10:42:39,939 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:42:39,941 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3084 states to 2681 states and 3084 transitions. [2019-11-20 10:42:39,941 INFO L276 IsEmpty]: Start isEmpty. Operand 2681 states and 3084 transitions. [2019-11-20 10:42:39,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 355 [2019-11-20 10:42:39,943 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:42:39,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:42:41,711 INFO L134 CoverageAnalysis]: Checked inductivity of 836 backedges. 291 proven. 319 refuted. 0 times theorem prover too weak. 226 trivial. 0 not checked. [2019-11-20 10:42:47,400 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:42:47,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3160 states to 2751 states and 3160 transitions. [2019-11-20 10:42:47,402 INFO L276 IsEmpty]: Start isEmpty. Operand 2751 states and 3160 transitions. [2019-11-20 10:42:47,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 426 [2019-11-20 10:42:47,405 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:42:47,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:42:47,839 INFO L134 CoverageAnalysis]: Checked inductivity of 1188 backedges. 435 proven. 390 refuted. 0 times theorem prover too weak. 363 trivial. 0 not checked. [2019-11-20 10:42:59,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:42:59,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3239 states to 2820 states and 3239 transitions. [2019-11-20 10:42:59,497 INFO L276 IsEmpty]: Start isEmpty. Operand 2820 states and 3239 transitions. [2019-11-20 10:42:59,500 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 426 [2019-11-20 10:42:59,500 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:42:59,536 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:43:00,014 INFO L134 CoverageAnalysis]: Checked inductivity of 1188 backedges. 435 proven. 390 refuted. 0 times theorem prover too weak. 363 trivial. 0 not checked. [2019-11-20 10:43:01,502 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:43:01,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3304 states to 2885 states and 3304 transitions. [2019-11-20 10:43:01,504 INFO L276 IsEmpty]: Start isEmpty. Operand 2885 states and 3304 transitions. [2019-11-20 10:43:01,507 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 426 [2019-11-20 10:43:01,507 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:43:01,542 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:43:01,896 INFO L134 CoverageAnalysis]: Checked inductivity of 1188 backedges. 435 proven. 390 refuted. 0 times theorem prover too weak. 363 trivial. 0 not checked. [2019-11-20 10:43:04,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:43:04,034 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3308 states to 2889 states and 3308 transitions. [2019-11-20 10:43:04,034 INFO L276 IsEmpty]: Start isEmpty. Operand 2889 states and 3308 transitions. [2019-11-20 10:43:04,037 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 426 [2019-11-20 10:43:04,037 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:43:04,072 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:43:04,426 INFO L134 CoverageAnalysis]: Checked inductivity of 1188 backedges. 435 proven. 390 refuted. 0 times theorem prover too weak. 363 trivial. 0 not checked. [2019-11-20 10:43:05,594 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:43:05,596 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3312 states to 2893 states and 3312 transitions. [2019-11-20 10:43:05,596 INFO L276 IsEmpty]: Start isEmpty. Operand 2893 states and 3312 transitions. [2019-11-20 10:43:05,599 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 426 [2019-11-20 10:43:05,599 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:43:05,634 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:43:06,114 INFO L134 CoverageAnalysis]: Checked inductivity of 1188 backedges. 435 proven. 390 refuted. 0 times theorem prover too weak. 363 trivial. 0 not checked. [2019-11-20 10:43:07,888 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:43:07,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3376 states to 2957 states and 3376 transitions. [2019-11-20 10:43:07,890 INFO L276 IsEmpty]: Start isEmpty. Operand 2957 states and 3376 transitions. [2019-11-20 10:43:07,893 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 426 [2019-11-20 10:43:07,893 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2019-11-20 10:43:07,928 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-11-20 10:43:08,282 INFO L134 CoverageAnalysis]: Checked inductivity of 1188 backedges. 435 proven. 390 refuted. 0 times theorem prover too weak. 363 trivial. 0 not checked. [2019-11-20 10:43:09,356 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2019-11-20 10:43:09,357 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3064 states to 2675 states and 3064 transitions. [2019-11-20 10:43:09,357 INFO L276 IsEmpty]: Start isEmpty. Operand 2675 states and 3064 transitions. [2019-11-20 10:43:09,359 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-11-20 10:43:09,359 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 122 iterations. [2019-11-20 10:43:09,368 INFO L765 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2019-11-20 10:43:09,840 WARN L191 SmtUtils]: Spent 462.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 53 [2019-11-20 10:43:10,269 WARN L191 SmtUtils]: Spent 428.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 47 [2019-11-20 10:43:10,715 WARN L191 SmtUtils]: Spent 422.00 ms on a formula simplification. DAG size of input: 158 DAG size of output: 43 [2019-11-20 10:43:11,120 WARN L191 SmtUtils]: Spent 404.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 47 [2019-11-20 10:43:11,485 WARN L191 SmtUtils]: Spent 364.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 43 [2019-11-20 10:43:11,595 WARN L191 SmtUtils]: Spent 109.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 35 [2019-11-20 10:43:12,085 WARN L191 SmtUtils]: Spent 489.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 53 [2019-11-20 10:43:12,542 WARN L191 SmtUtils]: Spent 456.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 33 [2019-11-20 10:43:12,951 WARN L191 SmtUtils]: Spent 407.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 43 [2019-11-20 10:43:13,400 WARN L191 SmtUtils]: Spent 448.00 ms on a formula simplification. DAG size of input: 155 DAG size of output: 43 [2019-11-20 10:43:13,538 WARN L191 SmtUtils]: Spent 137.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 35 [2019-11-20 10:43:13,678 WARN L191 SmtUtils]: Spent 138.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 35 [2019-11-20 10:43:13,985 WARN L191 SmtUtils]: Spent 307.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 33 [2019-11-20 10:43:14,500 WARN L191 SmtUtils]: Spent 513.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 52 [2019-11-20 10:43:14,876 WARN L191 SmtUtils]: Spent 375.00 ms on a formula simplification. DAG size of input: 144 DAG size of output: 43 [2019-11-20 10:43:15,081 WARN L191 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 103 DAG size of output: 35 [2019-11-20 10:43:15,464 WARN L191 SmtUtils]: Spent 381.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 43 [2019-11-20 10:43:15,842 WARN L191 SmtUtils]: Spent 377.00 ms on a formula simplification. DAG size of input: 152 DAG size of output: 43 [2019-11-20 10:43:16,046 WARN L191 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 35 [2019-11-20 10:43:16,174 WARN L191 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 33 [2019-11-20 10:43:16,677 WARN L191 SmtUtils]: Spent 502.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 53 [2019-11-20 10:43:16,810 WARN L191 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 35 [2019-11-20 10:43:16,952 WARN L191 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 35 [2019-11-20 10:43:17,360 WARN L191 SmtUtils]: Spent 407.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 43 [2019-11-20 10:43:17,773 WARN L191 SmtUtils]: Spent 412.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 45 [2019-11-20 10:43:18,139 WARN L191 SmtUtils]: Spent 365.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 41 [2019-11-20 10:43:18,676 WARN L191 SmtUtils]: Spent 536.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 53 [2019-11-20 10:43:18,884 WARN L191 SmtUtils]: Spent 207.00 ms on a formula simplification. DAG size of input: 106 DAG size of output: 35 [2019-11-20 10:43:19,299 WARN L191 SmtUtils]: Spent 414.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 47 [2019-11-20 10:43:19,643 WARN L191 SmtUtils]: Spent 344.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 45 [2019-11-20 10:43:19,994 WARN L191 SmtUtils]: Spent 350.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 45 [2019-11-20 10:43:20,213 WARN L191 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 112 DAG size of output: 35 [2019-11-20 10:43:20,535 WARN L191 SmtUtils]: Spent 321.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 39 [2019-11-20 10:43:20,676 WARN L191 SmtUtils]: Spent 140.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 35 [2019-11-20 10:43:21,088 WARN L191 SmtUtils]: Spent 411.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 45 [2019-11-20 10:43:21,493 WARN L191 SmtUtils]: Spent 404.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 45 [2019-11-20 10:43:21,670 WARN L191 SmtUtils]: Spent 176.00 ms on a formula simplification. DAG size of input: 82 DAG size of output: 35 [2019-11-20 10:43:22,066 WARN L191 SmtUtils]: Spent 395.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 45 [2019-11-20 10:43:22,600 WARN L191 SmtUtils]: Spent 533.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 53 [2019-11-20 10:43:22,797 WARN L191 SmtUtils]: Spent 197.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 35 [2019-11-20 10:43:23,090 WARN L191 SmtUtils]: Spent 292.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 43 [2019-11-20 10:43:23,224 WARN L191 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 35 [2019-11-20 10:43:23,936 WARN L191 SmtUtils]: Spent 711.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 45 [2019-11-20 10:43:24,481 WARN L191 SmtUtils]: Spent 544.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 53 [2019-11-20 10:43:24,585 WARN L191 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 72 DAG size of output: 27 [2019-11-20 10:43:25,092 WARN L191 SmtUtils]: Spent 506.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 53 [2019-11-20 10:43:25,627 WARN L191 SmtUtils]: Spent 531.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 53 [2019-11-20 10:43:25,881 WARN L191 SmtUtils]: Spent 253.00 ms on a formula simplification. DAG size of input: 125 DAG size of output: 35 [2019-11-20 10:43:26,022 WARN L191 SmtUtils]: Spent 141.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 35 [2019-11-20 10:43:26,539 WARN L191 SmtUtils]: Spent 516.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 52 [2019-11-20 10:43:26,977 WARN L191 SmtUtils]: Spent 437.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 33 [2019-11-20 10:43:27,120 WARN L191 SmtUtils]: Spent 142.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 35 [2019-11-20 10:43:27,518 WARN L191 SmtUtils]: Spent 397.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 47 [2019-11-20 10:43:27,701 WARN L191 SmtUtils]: Spent 182.00 ms on a formula simplification. DAG size of input: 117 DAG size of output: 35 [2019-11-20 10:43:28,250 WARN L191 SmtUtils]: Spent 546.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 53 [2019-11-20 10:43:28,382 WARN L191 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 35 [2019-11-20 10:43:28,839 WARN L191 SmtUtils]: Spent 456.00 ms on a formula simplification. DAG size of input: 132 DAG size of output: 53 [2019-11-20 10:43:29,173 WARN L191 SmtUtils]: Spent 333.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 43 [2019-11-20 10:43:30,257 WARN L191 SmtUtils]: Spent 1.08 s on a formula simplification. DAG size of input: 165 DAG size of output: 78 [2019-11-20 10:43:30,384 WARN L191 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 77 DAG size of output: 33 [2019-11-20 10:43:30,521 WARN L191 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 78 DAG size of output: 35 [2019-11-20 10:43:30,946 WARN L191 SmtUtils]: Spent 424.00 ms on a formula simplification. DAG size of input: 136 DAG size of output: 47 [2019-11-20 10:43:31,358 WARN L191 SmtUtils]: Spent 411.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 47 [2019-11-20 10:43:31,773 WARN L191 SmtUtils]: Spent 414.00 ms on a formula simplification. DAG size of input: 149 DAG size of output: 43 [2019-11-20 10:43:31,970 WARN L191 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 94 DAG size of output: 35 [2019-11-20 10:43:32,338 WARN L191 SmtUtils]: Spent 368.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 41 [2019-11-20 10:43:32,846 WARN L191 SmtUtils]: Spent 507.00 ms on a formula simplification. DAG size of input: 147 DAG size of output: 53 [2019-11-20 10:43:33,394 WARN L191 SmtUtils]: Spent 524.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 52 [2019-11-20 10:43:33,739 WARN L191 SmtUtils]: Spent 344.00 ms on a formula simplification. DAG size of input: 139 DAG size of output: 43 [2019-11-20 10:43:33,740 INFO L569 CodeCheckObserver]: Invariant with dag size 1 [2019-11-20 10:43:33,744 INFO L569 CodeCheckObserver]: Invariant with dag size 33 [2019-11-20 10:43:33,759 INFO L569 CodeCheckObserver]: Invariant with dag size 33 [2019-11-20 10:43:33,762 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 20.11 10:43:33 ImpRootNode [2019-11-20 10:43:33,763 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2019-11-20 10:43:33,763 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-11-20 10:43:33,763 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-11-20 10:43:33,764 INFO L275 PluginConnector]: Witness Printer initialized [2019-11-20 10:43:33,764 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 20.11 10:36:52" (3/4) ... [2019-11-20 10:43:33,768 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-11-20 10:43:33,793 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 98 nodes and edges [2019-11-20 10:43:33,796 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 19 nodes and edges [2019-11-20 10:43:33,798 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2019-11-20 10:43:33,799 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2019-11-20 10:43:33,975 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/run_dir_96105bbe-5c3d-4763-b448-633d0eb135d8/bin/ukojak/witness.graphml [2019-11-20 10:43:33,975 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-11-20 10:43:33,977 INFO L168 Benchmark]: Toolchain (without parser) took 404314.44 ms. Allocated memory was 1.0 GB in the beginning and 4.7 GB in the end (delta: 3.7 GB). Free memory was 939.4 MB in the beginning and 2.1 GB in the end (delta: -1.1 GB). Peak memory consumption was 2.5 GB. Max. memory is 11.5 GB. [2019-11-20 10:43:33,977 INFO L168 Benchmark]: CDTParser took 0.24 ms. Allocated memory is still 1.0 GB. Free memory is still 962.2 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 10:43:33,978 INFO L168 Benchmark]: CACSL2BoogieTranslator took 650.84 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 152.0 MB). Free memory was 939.4 MB in the beginning and 1.1 GB in the end (delta: -175.5 MB). Peak memory consumption was 18.7 MB. Max. memory is 11.5 GB. [2019-11-20 10:43:33,978 INFO L168 Benchmark]: Boogie Procedure Inliner took 86.39 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. [2019-11-20 10:43:33,979 INFO L168 Benchmark]: Boogie Preprocessor took 98.37 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. [2019-11-20 10:43:33,979 INFO L168 Benchmark]: RCFGBuilder took 1984.38 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 892.8 MB in the end (delta: 215.5 MB). Peak memory consumption was 215.5 MB. Max. memory is 11.5 GB. [2019-11-20 10:43:33,980 INFO L168 Benchmark]: CodeCheck took 401278.69 ms. Allocated memory was 1.2 GB in the beginning and 4.7 GB in the end (delta: 3.5 GB). Free memory was 892.8 MB in the beginning and 2.2 GB in the end (delta: -1.3 GB). Peak memory consumption was 3.8 GB. Max. memory is 11.5 GB. [2019-11-20 10:43:33,980 INFO L168 Benchmark]: Witness Printer took 211.96 ms. Allocated memory is still 4.7 GB. Free memory was 2.2 GB in the beginning and 2.1 GB in the end (delta: 95.4 MB). Peak memory consumption was 95.4 MB. Max. memory is 11.5 GB. [2019-11-20 10:43:33,983 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 76 locations, 1 error locations. Result: SAFE, OverallTime: 376.8s, OverallIterations: 122, TraceHistogramMax: 0, AutomataDifference: 0.0s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 1435080624 SDtfs, 2088750676 SDslu, -223894048 SDs, 0 SdLazy, -1820305596 SolverSat, -240582144 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 668.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 164862 GetRequests, 157240 SyntacticMatches, 5868 SemanticMatches, 1754 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2277479 ImplicationChecksByTransitivity, 336.1s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.8s SsaConstructionTime, 1.5s SatisfiabilityAnalysisTime, 56.1s InterpolantComputationTime, 24423 NumberOfCodeBlocks, 24423 NumberOfCodeBlocksAsserted, 121 NumberOfCheckSat, 24302 ConstructedInterpolants, 0 QuantifiedInterpolants, 45997769 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 121 InterpolantComputations, 86 PerfectInterpolantSequences, 31180/34477 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: 563]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 577]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 30]: Loop Invariant Derived loop invariant: ((((!(5 == a16) || ((((a12 == 8 && a17 <= 0) && a21 == 1) && 15 == a8) && a20 <= 0)) || ((((a21 <= 0 && a8 == 13) && a17 == 1) && a12 == 8) && a20 == 1)) || !(a7 == 1)) || ((((a12 == 8 && a17 <= 0) && a21 == 1) && a20 <= 0) && 14 == a8)) || ((((a12 == 8 && a17 <= 0) && a21 == 1) && a20 == 1) && 14 == a8) - InvariantResult [Line: 583]: Loop Invariant Derived loop invariant: ((((!(a7 == 1) || ((((a12 == 8 && a17 <= 0) && a21 == 1) && a20 <= 0) && 14 == a8)) || !(5 == a16)) || ((((a12 == 8 && a17 <= 0) && a21 == 1) && 15 == a8) && a20 <= 0)) || ((((a21 <= 0 && a8 == 13) && a17 == 1) && a12 == 8) && a20 == 1)) || ((((a12 == 8 && a17 <= 0) && a21 == 1) && a20 == 1) && 14 == a8) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.24 ms. Allocated memory is still 1.0 GB. Free memory is still 962.2 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 650.84 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 152.0 MB). Free memory was 939.4 MB in the beginning and 1.1 GB in the end (delta: -175.5 MB). Peak memory consumption was 18.7 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 86.39 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 6.7 MB). Peak memory consumption was 6.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 98.37 ms. Allocated memory is still 1.2 GB. Free memory is still 1.1 GB. There was no memory consumed. Max. memory is 11.5 GB. * RCFGBuilder took 1984.38 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 892.8 MB in the end (delta: 215.5 MB). Peak memory consumption was 215.5 MB. Max. memory is 11.5 GB. * CodeCheck took 401278.69 ms. Allocated memory was 1.2 GB in the beginning and 4.7 GB in the end (delta: 3.5 GB). Free memory was 892.8 MB in the beginning and 2.2 GB in the end (delta: -1.3 GB). Peak memory consumption was 3.8 GB. Max. memory is 11.5 GB. * Witness Printer took 211.96 ms. Allocated memory is still 4.7 GB. Free memory was 2.2 GB in the beginning and 2.1 GB in the end (delta: 95.4 MB). Peak memory consumption was 95.4 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...