./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem02_label17_true-unreach-call_false-termination.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 1dbac8bc Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_37400952-07df-40f1-b9d8-1aeda81f4c77/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_37400952-07df-40f1-b9d8-1aeda81f4c77/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_37400952-07df-40f1-b9d8-1aeda81f4c77/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_37400952-07df-40f1-b9d8-1aeda81f4c77/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem02_label17_true-unreach-call_false-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_37400952-07df-40f1-b9d8-1aeda81f4c77/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_37400952-07df-40f1-b9d8-1aeda81f4c77/bin-2019/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 3bc052be4bf83a6b89bc47d6157f3742948fabcf .......................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-1dbac8b [2018-10-27 01:00:07,001 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-10-27 01:00:07,003 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-10-27 01:00:07,014 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-10-27 01:00:07,015 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-10-27 01:00:07,016 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-10-27 01:00:07,017 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-10-27 01:00:07,018 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-10-27 01:00:07,019 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-10-27 01:00:07,019 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-10-27 01:00:07,020 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-10-27 01:00:07,020 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-10-27 01:00:07,021 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-10-27 01:00:07,021 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-10-27 01:00:07,026 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-10-27 01:00:07,032 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-10-27 01:00:07,033 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-10-27 01:00:07,034 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-10-27 01:00:07,035 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-10-27 01:00:07,036 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-10-27 01:00:07,037 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-10-27 01:00:07,041 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-10-27 01:00:07,043 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-10-27 01:00:07,045 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-10-27 01:00:07,045 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-10-27 01:00:07,046 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-10-27 01:00:07,046 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-10-27 01:00:07,047 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-10-27 01:00:07,048 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-10-27 01:00:07,048 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-10-27 01:00:07,048 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-10-27 01:00:07,049 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-10-27 01:00:07,049 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-10-27 01:00:07,049 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-10-27 01:00:07,053 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-10-27 01:00:07,055 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-10-27 01:00:07,055 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_37400952-07df-40f1-b9d8-1aeda81f4c77/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-10-27 01:00:07,068 INFO L110 SettingsManager]: Loading preferences was successful [2018-10-27 01:00:07,071 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-10-27 01:00:07,072 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-10-27 01:00:07,073 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-10-27 01:00:07,073 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-10-27 01:00:07,074 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-10-27 01:00:07,074 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-10-27 01:00:07,075 INFO L133 SettingsManager]: * sizeof long=4 [2018-10-27 01:00:07,075 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-10-27 01:00:07,075 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-10-27 01:00:07,075 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-10-27 01:00:07,075 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-10-27 01:00:07,075 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-10-27 01:00:07,075 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-10-27 01:00:07,075 INFO L133 SettingsManager]: * sizeof long double=12 [2018-10-27 01:00:07,076 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-10-27 01:00:07,076 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-10-27 01:00:07,076 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-10-27 01:00:07,076 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-10-27 01:00:07,076 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-10-27 01:00:07,076 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-10-27 01:00:07,076 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-10-27 01:00:07,077 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-10-27 01:00:07,077 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-10-27 01:00:07,077 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-10-27 01:00:07,077 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-10-27 01:00:07,077 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-10-27 01:00:07,077 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-10-27 01:00:07,077 INFO L133 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true 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/working_dir_37400952-07df-40f1-b9d8-1aeda81f4c77/bin-2019/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 -> 3bc052be4bf83a6b89bc47d6157f3742948fabcf [2018-10-27 01:00:07,124 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-10-27 01:00:07,133 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-10-27 01:00:07,136 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-10-27 01:00:07,137 INFO L271 PluginConnector]: Initializing CDTParser... [2018-10-27 01:00:07,137 INFO L276 PluginConnector]: CDTParser initialized [2018-10-27 01:00:07,138 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_37400952-07df-40f1-b9d8-1aeda81f4c77/bin-2019/ukojak/../../sv-benchmarks/c/eca-rers2012/Problem02_label17_true-unreach-call_false-termination.c [2018-10-27 01:00:07,186 INFO L218 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_37400952-07df-40f1-b9d8-1aeda81f4c77/bin-2019/ukojak/data/b3e8f6b99/a7d57deb5ac44bc899dd9dd6d7b881e3/FLAG3280fa27d [2018-10-27 01:00:07,647 INFO L298 CDTParser]: Found 1 translation units. [2018-10-27 01:00:07,651 INFO L158 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_37400952-07df-40f1-b9d8-1aeda81f4c77/sv-benchmarks/c/eca-rers2012/Problem02_label17_true-unreach-call_false-termination.c [2018-10-27 01:00:07,663 INFO L346 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_37400952-07df-40f1-b9d8-1aeda81f4c77/bin-2019/ukojak/data/b3e8f6b99/a7d57deb5ac44bc899dd9dd6d7b881e3/FLAG3280fa27d [2018-10-27 01:00:07,676 INFO L354 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_37400952-07df-40f1-b9d8-1aeda81f4c77/bin-2019/ukojak/data/b3e8f6b99/a7d57deb5ac44bc899dd9dd6d7b881e3 [2018-10-27 01:00:07,679 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-10-27 01:00:07,687 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-10-27 01:00:07,688 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-10-27 01:00:07,688 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-10-27 01:00:07,692 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-10-27 01:00:07,702 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 01:00:07" (1/1) ... [2018-10-27 01:00:07,704 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@30c17ad0 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 01:00:07, skipping insertion in model container [2018-10-27 01:00:07,705 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 27.10 01:00:07" (1/1) ... [2018-10-27 01:00:07,713 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-10-27 01:00:07,760 INFO L174 MainTranslator]: Built tables and reachable declarations [2018-10-27 01:00:08,086 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-27 01:00:08,089 INFO L189 MainTranslator]: Completed pre-run [2018-10-27 01:00:08,184 INFO L202 PostProcessor]: Analyzing one entry point: main [2018-10-27 01:00:08,200 INFO L193 MainTranslator]: Completed translation [2018-10-27 01:00:08,200 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 01:00:08 WrapperNode [2018-10-27 01:00:08,200 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-10-27 01:00:08,202 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-10-27 01:00:08,202 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-10-27 01:00:08,202 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-10-27 01:00:08,214 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 01:00:08" (1/1) ... [2018-10-27 01:00:08,241 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 01:00:08" (1/1) ... [2018-10-27 01:00:08,449 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-10-27 01:00:08,449 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-10-27 01:00:08,449 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-10-27 01:00:08,449 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-10-27 01:00:08,459 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 01:00:08" (1/1) ... [2018-10-27 01:00:08,460 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 01:00:08" (1/1) ... [2018-10-27 01:00:08,466 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 01:00:08" (1/1) ... [2018-10-27 01:00:08,467 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 01:00:08" (1/1) ... [2018-10-27 01:00:08,494 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 01:00:08" (1/1) ... [2018-10-27 01:00:08,506 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 01:00:08" (1/1) ... [2018-10-27 01:00:08,521 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 01:00:08" (1/1) ... [2018-10-27 01:00:08,526 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-10-27 01:00:08,533 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-10-27 01:00:08,533 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-10-27 01:00:08,533 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-10-27 01:00:08,534 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 27.10 01:00:08" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_37400952-07df-40f1-b9d8-1aeda81f4c77/bin-2019/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 [2018-10-27 01:00:08,588 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-10-27 01:00:08,588 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-10-27 01:00:08,588 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-10-27 01:00:12,779 INFO L341 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-10-27 01:00:12,780 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 01:00:12 BoogieIcfgContainer [2018-10-27 01:00:12,780 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-10-27 01:00:12,780 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-10-27 01:00:12,781 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-10-27 01:00:12,791 INFO L276 PluginConnector]: CodeCheck initialized [2018-10-27 01:00:12,791 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 01:00:12" (1/1) ... [2018-10-27 01:00:12,801 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-10-27 01:00:12,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 01:00:12,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 86 states and 164 transitions. [2018-10-27 01:00:12,839 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 164 transitions. [2018-10-27 01:00:12,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2018-10-27 01:00:12,845 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 01:00:13,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 01:00:13,288 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 01:00:13,963 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 01:00:13,964 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 165 states and 243 transitions. [2018-10-27 01:00:13,964 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 243 transitions. [2018-10-27 01:00:13,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2018-10-27 01:00:13,966 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 01:00:14,011 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 01:00:14,117 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-10-27 01:00:14,330 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 01:00:14,331 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 166 states and 244 transitions. [2018-10-27 01:00:14,331 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 244 transitions. [2018-10-27 01:00:14,333 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2018-10-27 01:00:14,333 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 01:00:14,344 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 01:00:14,735 WARN L179 SmtUtils]: Spent 103.00 ms on a formula simplification. DAG size of input: 7 DAG size of output: 4 [2018-10-27 01:00:14,741 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 01:00:15,034 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 01:00:15,035 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 271 states to 184 states and 271 transitions. [2018-10-27 01:00:15,036 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 271 transitions. [2018-10-27 01:00:15,038 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2018-10-27 01:00:15,038 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 01:00:15,049 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 01:00:15,344 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 01:00:15,834 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 01:00:15,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 297 states to 206 states and 297 transitions. [2018-10-27 01:00:15,835 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 297 transitions. [2018-10-27 01:00:15,846 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2018-10-27 01:00:15,846 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 01:00:15,857 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 01:00:15,955 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 01:00:16,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 01:00:16,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 325 states to 225 states and 325 transitions. [2018-10-27 01:00:16,767 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 325 transitions. [2018-10-27 01:00:16,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2018-10-27 01:00:16,769 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 01:00:16,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 01:00:16,823 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 01:00:17,159 WARN L179 SmtUtils]: Spent 101.00 ms on a formula simplification that was a NOOP. DAG size: 12 [2018-10-27 01:00:17,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 01:00:17,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 331 states to 230 states and 331 transitions. [2018-10-27 01:00:17,459 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 331 transitions. [2018-10-27 01:00:17,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2018-10-27 01:00:17,461 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 01:00:17,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 01:00:17,491 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 01:00:17,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 01:00:17,567 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 335 states to 234 states and 335 transitions. [2018-10-27 01:00:17,567 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 335 transitions. [2018-10-27 01:00:17,568 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2018-10-27 01:00:17,568 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 01:00:17,579 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 01:00:17,599 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-10-27 01:00:17,821 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 01:00:17,822 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 235 states and 337 transitions. [2018-10-27 01:00:17,822 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states and 337 transitions. [2018-10-27 01:00:17,823 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2018-10-27 01:00:17,823 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 01:00:17,834 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 01:00:17,854 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-10-27 01:00:18,214 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 01:00:18,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 356 states to 253 states and 356 transitions. [2018-10-27 01:00:18,215 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 356 transitions. [2018-10-27 01:00:18,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2018-10-27 01:00:18,216 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 01:00:18,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 01:00:18,247 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-10-27 01:00:18,655 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 01:00:18,655 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 362 states to 258 states and 362 transitions. [2018-10-27 01:00:18,655 INFO L276 IsEmpty]: Start isEmpty. Operand 258 states and 362 transitions. [2018-10-27 01:00:18,656 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2018-10-27 01:00:18,656 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 01:00:18,675 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 01:00:18,724 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-10-27 01:00:19,461 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 01:00:19,461 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 459 states to 338 states and 459 transitions. [2018-10-27 01:00:19,462 INFO L276 IsEmpty]: Start isEmpty. Operand 338 states and 459 transitions. [2018-10-27 01:00:19,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2018-10-27 01:00:19,463 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 01:00:19,474 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 01:00:20,659 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 01:00:21,253 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 01:00:21,254 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 498 states to 369 states and 498 transitions. [2018-10-27 01:00:21,254 INFO L276 IsEmpty]: Start isEmpty. Operand 369 states and 498 transitions. [2018-10-27 01:00:21,255 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2018-10-27 01:00:21,255 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 01:00:21,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 01:00:21,285 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-10-27 01:00:21,702 WARN L179 SmtUtils]: Spent 127.00 ms on a formula simplification that was a NOOP. DAG size: 13 [2018-10-27 01:00:21,980 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 01:00:21,981 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 518 states to 386 states and 518 transitions. [2018-10-27 01:00:21,981 INFO L276 IsEmpty]: Start isEmpty. Operand 386 states and 518 transitions. [2018-10-27 01:00:21,982 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2018-10-27 01:00:21,982 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 01:00:21,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 01:00:22,020 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-10-27 01:00:22,579 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 01:00:22,580 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 519 states to 388 states and 519 transitions. [2018-10-27 01:00:22,580 INFO L276 IsEmpty]: Start isEmpty. Operand 388 states and 519 transitions. [2018-10-27 01:00:22,581 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2018-10-27 01:00:22,581 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 01:00:22,593 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 01:00:22,742 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-10-27 01:00:24,215 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 01:00:24,215 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 530 states to 395 states and 530 transitions. [2018-10-27 01:00:24,216 INFO L276 IsEmpty]: Start isEmpty. Operand 395 states and 530 transitions. [2018-10-27 01:00:24,216 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2018-10-27 01:00:24,217 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 01:00:24,226 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 01:00:24,865 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 01:00:25,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 01:00:25,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 566 states to 426 states and 566 transitions. [2018-10-27 01:00:25,754 INFO L276 IsEmpty]: Start isEmpty. Operand 426 states and 566 transitions. [2018-10-27 01:00:25,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2018-10-27 01:00:25,754 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 01:00:25,763 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 01:00:25,809 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 01:00:25,924 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 01:00:25,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 570 states to 430 states and 570 transitions. [2018-10-27 01:00:25,925 INFO L276 IsEmpty]: Start isEmpty. Operand 430 states and 570 transitions. [2018-10-27 01:00:25,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2018-10-27 01:00:25,926 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 01:00:25,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 01:00:25,993 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 61 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-10-27 01:00:26,022 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 01:00:26,023 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 575 states to 435 states and 575 transitions. [2018-10-27 01:00:26,023 INFO L276 IsEmpty]: Start isEmpty. Operand 435 states and 575 transitions. [2018-10-27 01:00:26,024 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2018-10-27 01:00:26,024 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 01:00:26,031 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 01:00:26,051 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 50 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 01:00:26,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 01:00:26,174 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 589 states to 448 states and 589 transitions. [2018-10-27 01:00:26,174 INFO L276 IsEmpty]: Start isEmpty. Operand 448 states and 589 transitions. [2018-10-27 01:00:26,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2018-10-27 01:00:26,175 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 01:00:26,182 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 01:00:26,201 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 01:00:26,423 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 01:00:26,424 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 611 states to 467 states and 611 transitions. [2018-10-27 01:00:26,424 INFO L276 IsEmpty]: Start isEmpty. Operand 467 states and 611 transitions. [2018-10-27 01:00:26,425 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2018-10-27 01:00:26,425 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 01:00:26,434 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 01:00:26,465 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-10-27 01:00:26,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 01:00:26,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 614 states to 471 states and 614 transitions. [2018-10-27 01:00:26,568 INFO L276 IsEmpty]: Start isEmpty. Operand 471 states and 614 transitions. [2018-10-27 01:00:26,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2018-10-27 01:00:26,571 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 01:00:26,584 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 01:00:26,614 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-10-27 01:00:26,893 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 01:00:26,893 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 618 states to 476 states and 618 transitions. [2018-10-27 01:00:26,894 INFO L276 IsEmpty]: Start isEmpty. Operand 476 states and 618 transitions. [2018-10-27 01:00:26,895 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2018-10-27 01:00:26,895 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 01:00:26,904 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 01:00:28,442 WARN L179 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 7 DAG size of output: 4 [2018-10-27 01:00:28,451 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-10-27 01:00:29,200 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 01:00:29,201 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 621 states to 478 states and 621 transitions. [2018-10-27 01:00:29,201 INFO L276 IsEmpty]: Start isEmpty. Operand 478 states and 621 transitions. [2018-10-27 01:00:29,202 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2018-10-27 01:00:29,202 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 01:00:29,213 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 01:00:29,413 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 71 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-10-27 01:00:29,795 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 01:00:29,796 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 636 states to 492 states and 636 transitions. [2018-10-27 01:00:29,797 INFO L276 IsEmpty]: Start isEmpty. Operand 492 states and 636 transitions. [2018-10-27 01:00:29,798 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2018-10-27 01:00:29,798 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 01:00:29,810 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 01:00:29,836 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 92 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 01:00:30,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 01:00:30,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 642 states to 497 states and 642 transitions. [2018-10-27 01:00:30,067 INFO L276 IsEmpty]: Start isEmpty. Operand 497 states and 642 transitions. [2018-10-27 01:00:30,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2018-10-27 01:00:30,068 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 01:00:30,079 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 01:00:31,238 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 80 proven. 3 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-10-27 01:00:32,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 01:00:32,471 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 695 states to 539 states and 695 transitions. [2018-10-27 01:00:32,472 INFO L276 IsEmpty]: Start isEmpty. Operand 539 states and 695 transitions. [2018-10-27 01:00:32,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2018-10-27 01:00:32,473 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 01:00:32,486 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 01:00:32,517 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 66 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 01:00:32,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 01:00:32,612 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 716 states to 560 states and 716 transitions. [2018-10-27 01:00:32,613 INFO L276 IsEmpty]: Start isEmpty. Operand 560 states and 716 transitions. [2018-10-27 01:00:32,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2018-10-27 01:00:32,614 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 01:00:32,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 01:00:32,989 INFO L134 CoverageAnalysis]: Checked inductivity of 104 backedges. 95 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-10-27 01:00:33,193 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 01:00:33,194 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 743 states to 587 states and 743 transitions. [2018-10-27 01:00:33,194 INFO L276 IsEmpty]: Start isEmpty. Operand 587 states and 743 transitions. [2018-10-27 01:00:33,195 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2018-10-27 01:00:33,195 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 01:00:33,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 01:00:33,296 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 66 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2018-10-27 01:00:34,300 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 01:00:34,301 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 748 states to 592 states and 748 transitions. [2018-10-27 01:00:34,301 INFO L276 IsEmpty]: Start isEmpty. Operand 592 states and 748 transitions. [2018-10-27 01:00:34,301 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2018-10-27 01:00:34,301 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 01:00:34,308 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 01:00:34,369 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 67 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2018-10-27 01:00:34,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 01:00:34,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 749 states to 593 states and 749 transitions. [2018-10-27 01:00:34,460 INFO L276 IsEmpty]: Start isEmpty. Operand 593 states and 749 transitions. [2018-10-27 01:00:34,462 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2018-10-27 01:00:34,462 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 01:00:34,476 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 01:00:35,439 WARN L179 SmtUtils]: Spent 143.00 ms on a formula simplification. DAG size of input: 18 DAG size of output: 15 [2018-10-27 01:00:35,469 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 68 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 01:00:37,252 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 01:00:37,252 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 814 states to 652 states and 814 transitions. [2018-10-27 01:00:37,252 INFO L276 IsEmpty]: Start isEmpty. Operand 652 states and 814 transitions. [2018-10-27 01:00:37,253 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2018-10-27 01:00:37,253 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 01:00:37,262 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 01:00:37,471 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 83 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2018-10-27 01:00:38,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 01:00:38,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 836 states to 671 states and 836 transitions. [2018-10-27 01:00:38,015 INFO L276 IsEmpty]: Start isEmpty. Operand 671 states and 836 transitions. [2018-10-27 01:00:38,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2018-10-27 01:00:38,016 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 01:00:38,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 01:00:38,106 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 84 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2018-10-27 01:00:38,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 01:00:38,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 838 states to 672 states and 838 transitions. [2018-10-27 01:00:38,138 INFO L276 IsEmpty]: Start isEmpty. Operand 672 states and 838 transitions. [2018-10-27 01:00:38,138 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2018-10-27 01:00:38,139 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 01:00:38,148 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 01:00:38,517 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 79 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 01:00:42,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 01:00:42,113 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 921 states to 741 states and 921 transitions. [2018-10-27 01:00:42,114 INFO L276 IsEmpty]: Start isEmpty. Operand 741 states and 921 transitions. [2018-10-27 01:00:42,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2018-10-27 01:00:42,115 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 01:00:42,125 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 01:00:42,185 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 79 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 01:00:42,621 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 01:00:42,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 925 states to 745 states and 925 transitions. [2018-10-27 01:00:42,621 INFO L276 IsEmpty]: Start isEmpty. Operand 745 states and 925 transitions. [2018-10-27 01:00:42,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2018-10-27 01:00:42,622 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 01:00:42,630 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 01:00:42,657 INFO L134 CoverageAnalysis]: Checked inductivity of 127 backedges. 95 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2018-10-27 01:00:43,228 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 01:00:43,229 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 942 states to 762 states and 942 transitions. [2018-10-27 01:00:43,229 INFO L276 IsEmpty]: Start isEmpty. Operand 762 states and 942 transitions. [2018-10-27 01:00:43,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2018-10-27 01:00:43,230 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 01:00:43,242 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 01:00:43,544 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 87 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 01:00:45,961 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 01:00:45,961 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 991 states to 809 states and 991 transitions. [2018-10-27 01:00:45,962 INFO L276 IsEmpty]: Start isEmpty. Operand 809 states and 991 transitions. [2018-10-27 01:00:45,962 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2018-10-27 01:00:45,962 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 01:00:45,975 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 01:00:46,035 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 110 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 01:00:46,285 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 01:00:46,286 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1003 states to 821 states and 1003 transitions. [2018-10-27 01:00:46,286 INFO L276 IsEmpty]: Start isEmpty. Operand 821 states and 1003 transitions. [2018-10-27 01:00:46,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2018-10-27 01:00:46,287 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 01:00:46,299 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 01:00:46,452 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 110 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 01:00:46,650 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 01:00:46,651 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1007 states to 825 states and 1007 transitions. [2018-10-27 01:00:46,651 INFO L276 IsEmpty]: Start isEmpty. Operand 825 states and 1007 transitions. [2018-10-27 01:00:46,652 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2018-10-27 01:00:46,652 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 01:00:46,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 01:00:46,720 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2018-10-27 01:00:47,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 01:00:47,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1008 states to 827 states and 1008 transitions. [2018-10-27 01:00:47,048 INFO L276 IsEmpty]: Start isEmpty. Operand 827 states and 1008 transitions. [2018-10-27 01:00:47,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2018-10-27 01:00:47,049 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 01:00:47,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 01:00:47,216 INFO L134 CoverageAnalysis]: Checked inductivity of 161 backedges. 138 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-10-27 01:00:47,503 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 01:00:47,505 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1010 states to 829 states and 1010 transitions. [2018-10-27 01:00:47,505 INFO L276 IsEmpty]: Start isEmpty. Operand 829 states and 1010 transitions. [2018-10-27 01:00:47,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2018-10-27 01:00:47,507 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 01:00:47,522 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 01:00:47,597 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 92 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-10-27 01:00:47,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 01:00:47,906 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1017 states to 833 states and 1017 transitions. [2018-10-27 01:00:47,906 INFO L276 IsEmpty]: Start isEmpty. Operand 833 states and 1017 transitions. [2018-10-27 01:00:47,907 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2018-10-27 01:00:47,907 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 01:00:47,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 01:00:48,245 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 94 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2018-10-27 01:00:49,323 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 01:00:49,324 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1046 states to 860 states and 1046 transitions. [2018-10-27 01:00:49,324 INFO L276 IsEmpty]: Start isEmpty. Operand 860 states and 1046 transitions. [2018-10-27 01:00:49,325 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2018-10-27 01:00:49,325 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 01:00:49,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 01:00:49,407 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 111 proven. 0 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2018-10-27 01:00:49,779 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 01:00:49,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1048 states to 862 states and 1048 transitions. [2018-10-27 01:00:49,780 INFO L276 IsEmpty]: Start isEmpty. Operand 862 states and 1048 transitions. [2018-10-27 01:00:49,780 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2018-10-27 01:00:49,781 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 01:00:49,790 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 01:00:49,841 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 95 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-10-27 01:00:50,438 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 01:00:50,439 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1065 states to 874 states and 1065 transitions. [2018-10-27 01:00:50,439 INFO L276 IsEmpty]: Start isEmpty. Operand 874 states and 1065 transitions. [2018-10-27 01:00:50,440 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2018-10-27 01:00:50,440 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 01:00:50,450 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 01:00:50,482 INFO L134 CoverageAnalysis]: Checked inductivity of 119 backedges. 96 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-10-27 01:00:50,686 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 01:00:50,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1070 states to 878 states and 1070 transitions. [2018-10-27 01:00:50,687 INFO L276 IsEmpty]: Start isEmpty. Operand 878 states and 1070 transitions. [2018-10-27 01:00:50,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2018-10-27 01:00:50,688 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 01:00:50,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 01:00:51,113 INFO L134 CoverageAnalysis]: Checked inductivity of 193 backedges. 159 proven. 11 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-10-27 01:00:52,876 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 01:00:52,877 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1095 states to 898 states and 1095 transitions. [2018-10-27 01:00:52,877 INFO L276 IsEmpty]: Start isEmpty. Operand 898 states and 1095 transitions. [2018-10-27 01:00:52,878 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2018-10-27 01:00:52,878 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 01:00:52,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 01:00:52,922 INFO L134 CoverageAnalysis]: Checked inductivity of 132 backedges. 104 proven. 0 refuted. 0 times theorem prover too weak. 28 trivial. 0 not checked. [2018-10-27 01:00:53,207 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 01:00:53,207 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1096 states to 900 states and 1096 transitions. [2018-10-27 01:00:53,208 INFO L276 IsEmpty]: Start isEmpty. Operand 900 states and 1096 transitions. [2018-10-27 01:00:53,208 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2018-10-27 01:00:53,209 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 01:00:53,225 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 01:00:53,535 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 99 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-10-27 01:00:54,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 01:00:54,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1182 states to 980 states and 1182 transitions. [2018-10-27 01:00:54,418 INFO L276 IsEmpty]: Start isEmpty. Operand 980 states and 1182 transitions. [2018-10-27 01:00:54,420 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2018-10-27 01:00:54,420 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 01:00:54,432 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 01:00:54,553 INFO L134 CoverageAnalysis]: Checked inductivity of 137 backedges. 128 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-10-27 01:00:55,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 01:00:55,303 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1260 states to 1052 states and 1260 transitions. [2018-10-27 01:00:55,303 INFO L276 IsEmpty]: Start isEmpty. Operand 1052 states and 1260 transitions. [2018-10-27 01:00:55,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2018-10-27 01:00:55,305 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 01:00:55,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 01:00:55,360 INFO L134 CoverageAnalysis]: Checked inductivity of 143 backedges. 111 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2018-10-27 01:00:56,054 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 01:00:56,055 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1291 states to 1082 states and 1291 transitions. [2018-10-27 01:00:56,055 INFO L276 IsEmpty]: Start isEmpty. Operand 1082 states and 1291 transitions. [2018-10-27 01:00:56,056 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2018-10-27 01:00:56,056 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 01:00:56,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 01:00:56,132 INFO L134 CoverageAnalysis]: Checked inductivity of 143 backedges. 111 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2018-10-27 01:00:57,451 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 01:00:57,452 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1316 states to 1107 states and 1316 transitions. [2018-10-27 01:00:57,452 INFO L276 IsEmpty]: Start isEmpty. Operand 1107 states and 1316 transitions. [2018-10-27 01:00:57,453 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2018-10-27 01:00:57,453 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 01:00:57,461 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 01:00:57,548 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 112 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-10-27 01:00:58,032 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 01:00:58,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1340 states to 1132 states and 1340 transitions. [2018-10-27 01:00:58,033 INFO L276 IsEmpty]: Start isEmpty. Operand 1132 states and 1340 transitions. [2018-10-27 01:00:58,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2018-10-27 01:00:58,035 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 01:00:58,048 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 01:00:58,599 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 112 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-10-27 01:00:58,790 WARN L179 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 21 [2018-10-27 01:01:00,266 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 01:01:00,267 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1372 states to 1164 states and 1372 transitions. [2018-10-27 01:01:00,267 INFO L276 IsEmpty]: Start isEmpty. Operand 1164 states and 1372 transitions. [2018-10-27 01:01:00,268 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2018-10-27 01:01:00,268 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 01:01:00,277 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 01:01:00,303 INFO L134 CoverageAnalysis]: Checked inductivity of 144 backedges. 112 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2018-10-27 01:01:00,421 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 01:01:00,421 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1373 states to 1166 states and 1373 transitions. [2018-10-27 01:01:00,422 INFO L276 IsEmpty]: Start isEmpty. Operand 1166 states and 1373 transitions. [2018-10-27 01:01:00,423 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2018-10-27 01:01:00,423 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 01:01:00,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 01:01:00,464 INFO L134 CoverageAnalysis]: Checked inductivity of 124 backedges. 102 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-10-27 01:01:00,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 01:01:00,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1378 states to 1172 states and 1378 transitions. [2018-10-27 01:01:00,551 INFO L276 IsEmpty]: Start isEmpty. Operand 1172 states and 1378 transitions. [2018-10-27 01:01:00,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2018-10-27 01:01:00,552 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 01:01:00,563 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 01:01:00,737 INFO L134 CoverageAnalysis]: Checked inductivity of 142 backedges. 133 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-10-27 01:01:02,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 01:01:02,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1464 states to 1249 states and 1464 transitions. [2018-10-27 01:01:02,015 INFO L276 IsEmpty]: Start isEmpty. Operand 1249 states and 1464 transitions. [2018-10-27 01:01:02,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2018-10-27 01:01:02,016 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 01:01:02,024 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 01:01:02,053 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 123 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2018-10-27 01:01:02,296 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 01:01:02,297 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1469 states to 1254 states and 1469 transitions. [2018-10-27 01:01:02,297 INFO L276 IsEmpty]: Start isEmpty. Operand 1254 states and 1469 transitions. [2018-10-27 01:01:02,298 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2018-10-27 01:01:02,298 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 01:01:02,306 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 01:01:02,332 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 123 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2018-10-27 01:01:03,060 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 01:01:03,061 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1494 states to 1279 states and 1494 transitions. [2018-10-27 01:01:03,062 INFO L276 IsEmpty]: Start isEmpty. Operand 1279 states and 1494 transitions. [2018-10-27 01:01:03,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 189 [2018-10-27 01:01:03,063 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 01:01:03,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 01:01:03,337 INFO L134 CoverageAnalysis]: Checked inductivity of 149 backedges. 119 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-10-27 01:01:03,703 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 01:01:03,704 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1507 states to 1286 states and 1507 transitions. [2018-10-27 01:01:03,704 INFO L276 IsEmpty]: Start isEmpty. Operand 1286 states and 1507 transitions. [2018-10-27 01:01:03,707 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2018-10-27 01:01:03,707 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 01:01:03,727 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 01:01:03,806 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 56 proven. 5 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2018-10-27 01:01:04,031 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 01:01:04,033 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1516 states to 1292 states and 1516 transitions. [2018-10-27 01:01:04,033 INFO L276 IsEmpty]: Start isEmpty. Operand 1292 states and 1516 transitions. [2018-10-27 01:01:04,035 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2018-10-27 01:01:04,035 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 01:01:04,050 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 01:01:04,112 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 56 proven. 5 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2018-10-27 01:01:04,350 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 01:01:04,351 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1516 states to 1293 states and 1516 transitions. [2018-10-27 01:01:04,351 INFO L276 IsEmpty]: Start isEmpty. Operand 1293 states and 1516 transitions. [2018-10-27 01:01:04,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2018-10-27 01:01:04,353 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 01:01:04,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 01:01:04,654 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 186 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 01:01:05,787 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 01:01:05,788 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1556 states to 1330 states and 1556 transitions. [2018-10-27 01:01:05,788 INFO L276 IsEmpty]: Start isEmpty. Operand 1330 states and 1556 transitions. [2018-10-27 01:01:05,789 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2018-10-27 01:01:05,789 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 01:01:05,800 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 01:01:05,864 INFO L134 CoverageAnalysis]: Checked inductivity of 142 backedges. 111 proven. 1 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-10-27 01:01:06,416 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 01:01:06,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1580 states to 1350 states and 1580 transitions. [2018-10-27 01:01:06,418 INFO L276 IsEmpty]: Start isEmpty. Operand 1350 states and 1580 transitions. [2018-10-27 01:01:06,419 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2018-10-27 01:01:06,419 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 01:01:06,436 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 01:01:06,529 INFO L134 CoverageAnalysis]: Checked inductivity of 142 backedges. 111 proven. 1 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-10-27 01:01:06,812 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 01:01:06,813 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1584 states to 1354 states and 1584 transitions. [2018-10-27 01:01:06,813 INFO L276 IsEmpty]: Start isEmpty. Operand 1354 states and 1584 transitions. [2018-10-27 01:01:06,814 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2018-10-27 01:01:06,814 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 01:01:06,824 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 01:01:06,875 INFO L134 CoverageAnalysis]: Checked inductivity of 172 backedges. 156 proven. 5 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-10-27 01:01:07,789 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 01:01:07,790 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1637 states to 1401 states and 1637 transitions. [2018-10-27 01:01:07,790 INFO L276 IsEmpty]: Start isEmpty. Operand 1401 states and 1637 transitions. [2018-10-27 01:01:07,791 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2018-10-27 01:01:07,791 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 01:01:07,804 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 01:01:07,879 INFO L134 CoverageAnalysis]: Checked inductivity of 172 backedges. 156 proven. 5 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-10-27 01:01:08,369 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 01:01:08,370 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1642 states to 1407 states and 1642 transitions. [2018-10-27 01:01:08,370 INFO L276 IsEmpty]: Start isEmpty. Operand 1407 states and 1642 transitions. [2018-10-27 01:01:08,371 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2018-10-27 01:01:08,371 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 01:01:08,381 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 01:01:08,425 INFO L134 CoverageAnalysis]: Checked inductivity of 172 backedges. 156 proven. 5 refuted. 0 times theorem prover too weak. 11 trivial. 0 not checked. [2018-10-27 01:01:08,660 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 01:01:08,661 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1648 states to 1412 states and 1648 transitions. [2018-10-27 01:01:08,661 INFO L276 IsEmpty]: Start isEmpty. Operand 1412 states and 1648 transitions. [2018-10-27 01:01:08,663 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2018-10-27 01:01:08,663 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 01:01:08,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 01:01:08,754 INFO L134 CoverageAnalysis]: Checked inductivity of 159 backedges. 127 proven. 17 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-10-27 01:01:09,836 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 01:01:09,837 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1688 states to 1446 states and 1688 transitions. [2018-10-27 01:01:09,837 INFO L276 IsEmpty]: Start isEmpty. Operand 1446 states and 1688 transitions. [2018-10-27 01:01:09,838 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2018-10-27 01:01:09,838 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 01:01:09,850 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 01:01:09,926 INFO L134 CoverageAnalysis]: Checked inductivity of 159 backedges. 127 proven. 17 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-10-27 01:01:10,550 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 01:01:10,551 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1698 states to 1457 states and 1698 transitions. [2018-10-27 01:01:10,551 INFO L276 IsEmpty]: Start isEmpty. Operand 1457 states and 1698 transitions. [2018-10-27 01:01:10,552 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2018-10-27 01:01:10,552 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 01:01:10,561 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 01:01:10,652 INFO L134 CoverageAnalysis]: Checked inductivity of 213 backedges. 181 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2018-10-27 01:01:10,803 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 01:01:10,804 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1704 states to 1461 states and 1704 transitions. [2018-10-27 01:01:10,804 INFO L276 IsEmpty]: Start isEmpty. Operand 1461 states and 1704 transitions. [2018-10-27 01:01:10,805 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2018-10-27 01:01:10,805 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 01:01:10,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 01:01:10,868 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 139 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2018-10-27 01:01:10,933 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 01:01:10,934 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1716 states to 1473 states and 1716 transitions. [2018-10-27 01:01:10,934 INFO L276 IsEmpty]: Start isEmpty. Operand 1473 states and 1716 transitions. [2018-10-27 01:01:10,935 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2018-10-27 01:01:10,935 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 01:01:10,947 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 01:01:10,989 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 139 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2018-10-27 01:01:11,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 01:01:11,316 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1722 states to 1480 states and 1722 transitions. [2018-10-27 01:01:11,316 INFO L276 IsEmpty]: Start isEmpty. Operand 1480 states and 1722 transitions. [2018-10-27 01:01:11,317 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209 [2018-10-27 01:01:11,317 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 01:01:11,325 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 01:01:11,377 INFO L134 CoverageAnalysis]: Checked inductivity of 218 backedges. 186 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2018-10-27 01:01:11,752 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 01:01:11,753 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1727 states to 1484 states and 1727 transitions. [2018-10-27 01:01:11,753 INFO L276 IsEmpty]: Start isEmpty. Operand 1484 states and 1727 transitions. [2018-10-27 01:01:11,754 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209 [2018-10-27 01:01:11,754 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 01:01:11,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 01:01:11,806 INFO L134 CoverageAnalysis]: Checked inductivity of 218 backedges. 186 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2018-10-27 01:01:11,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 01:01:11,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1727 states to 1485 states and 1727 transitions. [2018-10-27 01:01:11,886 INFO L276 IsEmpty]: Start isEmpty. Operand 1485 states and 1727 transitions. [2018-10-27 01:01:11,887 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2018-10-27 01:01:11,888 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 01:01:11,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 01:01:11,935 INFO L134 CoverageAnalysis]: Checked inductivity of 202 backedges. 179 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-10-27 01:01:14,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 01:01:14,779 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1792 states to 1540 states and 1792 transitions. [2018-10-27 01:01:14,779 INFO L276 IsEmpty]: Start isEmpty. Operand 1540 states and 1792 transitions. [2018-10-27 01:01:14,781 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2018-10-27 01:01:14,781 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 01:01:14,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 01:01:14,828 INFO L134 CoverageAnalysis]: Checked inductivity of 202 backedges. 179 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-10-27 01:01:14,867 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 01:01:14,868 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1795 states to 1542 states and 1795 transitions. [2018-10-27 01:01:14,868 INFO L276 IsEmpty]: Start isEmpty. Operand 1542 states and 1795 transitions. [2018-10-27 01:01:14,870 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2018-10-27 01:01:14,870 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 01:01:14,878 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 01:01:14,907 INFO L134 CoverageAnalysis]: Checked inductivity of 202 backedges. 179 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-10-27 01:01:15,264 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 01:01:15,265 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1809 states to 1556 states and 1809 transitions. [2018-10-27 01:01:15,265 INFO L276 IsEmpty]: Start isEmpty. Operand 1556 states and 1809 transitions. [2018-10-27 01:01:15,266 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2018-10-27 01:01:15,266 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 01:01:15,279 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 01:01:15,305 INFO L134 CoverageAnalysis]: Checked inductivity of 202 backedges. 179 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-10-27 01:01:15,859 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 01:01:15,860 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1827 states to 1574 states and 1827 transitions. [2018-10-27 01:01:15,860 INFO L276 IsEmpty]: Start isEmpty. Operand 1574 states and 1827 transitions. [2018-10-27 01:01:15,861 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2018-10-27 01:01:15,861 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 01:01:15,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 01:01:15,894 INFO L134 CoverageAnalysis]: Checked inductivity of 202 backedges. 179 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-10-27 01:01:15,918 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 01:01:15,919 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1828 states to 1575 states and 1828 transitions. [2018-10-27 01:01:15,919 INFO L276 IsEmpty]: Start isEmpty. Operand 1575 states and 1828 transitions. [2018-10-27 01:01:15,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2018-10-27 01:01:15,920 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 01:01:15,929 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 01:01:15,968 INFO L134 CoverageAnalysis]: Checked inductivity of 202 backedges. 179 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-10-27 01:01:17,059 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 01:01:17,060 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1859 states to 1607 states and 1859 transitions. [2018-10-27 01:01:17,060 INFO L276 IsEmpty]: Start isEmpty. Operand 1607 states and 1859 transitions. [2018-10-27 01:01:17,062 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2018-10-27 01:01:17,062 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 01:01:17,071 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 01:01:17,099 INFO L134 CoverageAnalysis]: Checked inductivity of 203 backedges. 150 proven. 0 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2018-10-27 01:01:17,250 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 01:01:17,251 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1862 states to 1612 states and 1862 transitions. [2018-10-27 01:01:17,251 INFO L276 IsEmpty]: Start isEmpty. Operand 1612 states and 1862 transitions. [2018-10-27 01:01:17,252 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2018-10-27 01:01:17,252 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 01:01:17,266 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 01:01:18,611 INFO L134 CoverageAnalysis]: Checked inductivity of 242 backedges. 181 proven. 61 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 01:01:22,532 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 01:01:22,533 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1957 states to 1691 states and 1957 transitions. [2018-10-27 01:01:22,533 INFO L276 IsEmpty]: Start isEmpty. Operand 1691 states and 1957 transitions. [2018-10-27 01:01:22,535 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2018-10-27 01:01:22,535 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 01:01:22,557 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 01:01:22,839 INFO L134 CoverageAnalysis]: Checked inductivity of 242 backedges. 181 proven. 61 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 01:01:23,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 01:01:23,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1961 states to 1695 states and 1961 transitions. [2018-10-27 01:01:23,275 INFO L276 IsEmpty]: Start isEmpty. Operand 1695 states and 1961 transitions. [2018-10-27 01:01:23,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2018-10-27 01:01:23,276 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 01:01:23,289 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 01:01:23,503 INFO L134 CoverageAnalysis]: Checked inductivity of 242 backedges. 181 proven. 61 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-10-27 01:01:23,833 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 01:01:23,834 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1965 states to 1700 states and 1965 transitions. [2018-10-27 01:01:23,834 INFO L276 IsEmpty]: Start isEmpty. Operand 1700 states and 1965 transitions. [2018-10-27 01:01:23,835 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 225 [2018-10-27 01:01:23,835 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 01:01:23,845 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 01:01:23,882 INFO L134 CoverageAnalysis]: Checked inductivity of 276 backedges. 223 proven. 0 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2018-10-27 01:01:24,188 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 01:01:24,189 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1979 states to 1713 states and 1979 transitions. [2018-10-27 01:01:24,189 INFO L276 IsEmpty]: Start isEmpty. Operand 1713 states and 1979 transitions. [2018-10-27 01:01:24,190 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 227 [2018-10-27 01:01:24,190 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 01:01:24,209 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 01:01:24,272 INFO L134 CoverageAnalysis]: Checked inductivity of 236 backedges. 144 proven. 0 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2018-10-27 01:01:25,243 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 01:01:25,244 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2062 states to 1793 states and 2062 transitions. [2018-10-27 01:01:25,244 INFO L276 IsEmpty]: Start isEmpty. Operand 1793 states and 2062 transitions. [2018-10-27 01:01:25,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 263 [2018-10-27 01:01:25,245 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 01:01:25,264 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 01:01:25,357 INFO L134 CoverageAnalysis]: Checked inductivity of 308 backedges. 198 proven. 17 refuted. 0 times theorem prover too weak. 93 trivial. 0 not checked. [2018-10-27 01:01:25,864 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 01:01:25,865 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2082 states to 1811 states and 2082 transitions. [2018-10-27 01:01:25,865 INFO L276 IsEmpty]: Start isEmpty. Operand 1811 states and 2082 transitions. [2018-10-27 01:01:25,866 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 263 [2018-10-27 01:01:25,867 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 01:01:25,881 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 01:01:25,955 INFO L134 CoverageAnalysis]: Checked inductivity of 308 backedges. 198 proven. 17 refuted. 0 times theorem prover too weak. 93 trivial. 0 not checked. [2018-10-27 01:01:26,232 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 01:01:26,233 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2082 states to 1812 states and 2082 transitions. [2018-10-27 01:01:26,233 INFO L276 IsEmpty]: Start isEmpty. Operand 1812 states and 2082 transitions. [2018-10-27 01:01:26,234 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 308 [2018-10-27 01:01:26,234 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 01:01:26,250 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 01:01:26,313 INFO L134 CoverageAnalysis]: Checked inductivity of 460 backedges. 288 proven. 0 refuted. 0 times theorem prover too weak. 172 trivial. 0 not checked. [2018-10-27 01:01:26,357 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 01:01:26,358 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2083 states to 1813 states and 2083 transitions. [2018-10-27 01:01:26,358 INFO L276 IsEmpty]: Start isEmpty. Operand 1813 states and 2083 transitions. [2018-10-27 01:01:26,360 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 308 [2018-10-27 01:01:26,360 INFO L428 CodeCheckObserver]: Error Path is FOUND. [2018-10-27 01:01:26,379 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-10-27 01:01:26,441 INFO L134 CoverageAnalysis]: Checked inductivity of 460 backedges. 288 proven. 0 refuted. 0 times theorem prover too weak. 172 trivial. 0 not checked. [2018-10-27 01:01:26,723 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-10-27 01:01:26,725 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1997 states to 1730 states and 1997 transitions. [2018-10-27 01:01:26,725 INFO L276 IsEmpty]: Start isEmpty. Operand 1730 states and 1997 transitions. [2018-10-27 01:01:26,726 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-10-27 01:01:26,726 WARN L425 CodeCheckObserver]: This Program is SAFE, Check terminated with 92 iterations. [2018-10-27 01:01:26,734 INFO L778 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-10-27 01:01:27,931 WARN L179 SmtUtils]: Spent 139.00 ms on a formula simplification. DAG size of input: 76 DAG size of output: 14 [2018-10-27 01:01:28,887 WARN L179 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 69 DAG size of output: 14 [2018-10-27 01:01:29,642 WARN L179 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 80 DAG size of output: 14 [2018-10-27 01:01:31,147 INFO L582 CodeCheckObserver]: Invariant with dag size 1 [2018-10-27 01:01:31,150 INFO L582 CodeCheckObserver]: Invariant with dag size 14 [2018-10-27 01:01:31,155 INFO L582 CodeCheckObserver]: Invariant with dag size 14 [2018-10-27 01:01:31,156 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 27.10 01:01:31 ImpRootNode [2018-10-27 01:01:31,156 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-10-27 01:01:31,156 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-10-27 01:01:31,156 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-10-27 01:01:31,156 INFO L276 PluginConnector]: Witness Printer initialized [2018-10-27 01:01:31,157 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 27.10 01:00:12" (3/4) ... [2018-10-27 01:01:31,171 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-10-27 01:01:31,205 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 111 nodes and edges [2018-10-27 01:01:31,206 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2018-10-27 01:01:31,207 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 8 nodes and edges [2018-10-27 01:01:31,208 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2018-10-27 01:01:31,352 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_37400952-07df-40f1-b9d8-1aeda81f4c77/bin-2019/ukojak/witness.graphml [2018-10-27 01:01:31,352 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-10-27 01:01:31,353 INFO L168 Benchmark]: Toolchain (without parser) took 83667.10 ms. Allocated memory was 1.0 GB in the beginning and 2.1 GB in the end (delta: 1.1 GB). Free memory was 950.4 MB in the beginning and 871.0 MB in the end (delta: 79.4 MB). Peak memory consumption was 1.1 GB. Max. memory is 11.5 GB. [2018-10-27 01:01:31,355 INFO L168 Benchmark]: CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 979.9 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-10-27 01:01:31,355 INFO L168 Benchmark]: CACSL2BoogieTranslator took 512.99 ms. Allocated memory is still 1.0 GB. Free memory was 950.4 MB in the beginning and 920.9 MB in the end (delta: 29.5 MB). Peak memory consumption was 29.5 MB. Max. memory is 11.5 GB. [2018-10-27 01:01:31,355 INFO L168 Benchmark]: Boogie Procedure Inliner took 247.00 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 186.6 MB). Free memory was 920.9 MB in the beginning and 1.2 GB in the end (delta: -266.6 MB). Peak memory consumption was 27.7 MB. Max. memory is 11.5 GB. [2018-10-27 01:01:31,355 INFO L168 Benchmark]: Boogie Preprocessor took 83.88 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 13.5 MB). Peak memory consumption was 13.5 MB. Max. memory is 11.5 GB. [2018-10-27 01:01:31,356 INFO L168 Benchmark]: RCFGBuilder took 4246.98 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 939.4 MB in the end (delta: 234.7 MB). Peak memory consumption was 234.7 MB. Max. memory is 11.5 GB. [2018-10-27 01:01:31,356 INFO L168 Benchmark]: CodeCheck took 78375.48 ms. Allocated memory was 1.2 GB in the beginning and 2.1 GB in the end (delta: 866.1 MB). Free memory was 939.4 MB in the beginning and 894.0 MB in the end (delta: 45.4 MB). Peak memory consumption was 911.5 MB. Max. memory is 11.5 GB. [2018-10-27 01:01:31,356 INFO L168 Benchmark]: Witness Printer took 196.28 ms. Allocated memory is still 2.1 GB. Free memory was 894.0 MB in the beginning and 871.0 MB in the end (delta: 23.0 MB). Peak memory consumption was 23.0 MB. Max. memory is 11.5 GB. [2018-10-27 01:01:31,361 INFO L336 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, 228 locations, 1 error locations. SAFE Result, 73.9s OverallTime, 92 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 1602226272 SDtfs, 1445393248 SDslu, 1015038720 SDs, 0 SdLazy, -1779617336 SolverSat, -1565901952 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 402.9s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 100969 GetRequests, 99222 SyntacticMatches, 1033 SemanticMatches, 714 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 374440 ImplicationChecksByTransitivity, 58.7s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.3s SsaConstructionTime, 0.7s SatisfiabilityAnalysisTime, 14.3s InterpolantComputationTime, 15515 NumberOfCodeBlocks, 15515 NumberOfCodeBlocksAsserted, 91 NumberOfCheckSat, 15424 ConstructedInterpolants, 0 QuantifiedInterpolants, 7027028 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 91 InterpolantComputations, 74 PerfectInterpolantSequences, 11829/12122 InterpolantCoveringCapability, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s AbstIntTime, 0 AbstIntIterations, 0 AbstIntStrong, NaN AbsIntWeakeningRatio, NaN AbsIntAvgWeakeningVarsNumRemoved, NaN AbsIntAvgWeakenedConjuncts, 0.0s DumpTime, AutomataMinimizationStatistics: No data available, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: No data available, ReuseStatistics: No data available - PositiveResult [Line: 529]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 600]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 29]: Loop Invariant Derived loop invariant: ((a19 == 1 || !(a25 == 1)) || a17 == 8) || !(a28 == 11) - InvariantResult [Line: 606]: Loop Invariant Derived loop invariant: ((!(a28 == 11) || a19 == 1) || a17 == 8) || !(a25 == 1) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.13 ms. Allocated memory is still 1.0 GB. Free memory is still 979.9 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 512.99 ms. Allocated memory is still 1.0 GB. Free memory was 950.4 MB in the beginning and 920.9 MB in the end (delta: 29.5 MB). Peak memory consumption was 29.5 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 247.00 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 186.6 MB). Free memory was 920.9 MB in the beginning and 1.2 GB in the end (delta: -266.6 MB). Peak memory consumption was 27.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 83.88 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 13.5 MB). Peak memory consumption was 13.5 MB. Max. memory is 11.5 GB. * RCFGBuilder took 4246.98 ms. Allocated memory is still 1.2 GB. Free memory was 1.2 GB in the beginning and 939.4 MB in the end (delta: 234.7 MB). Peak memory consumption was 234.7 MB. Max. memory is 11.5 GB. * CodeCheck took 78375.48 ms. Allocated memory was 1.2 GB in the beginning and 2.1 GB in the end (delta: 866.1 MB). Free memory was 939.4 MB in the beginning and 894.0 MB in the end (delta: 45.4 MB). Peak memory consumption was 911.5 MB. Max. memory is 11.5 GB. * Witness Printer took 196.28 ms. Allocated memory is still 2.1 GB. Free memory was 894.0 MB in the beginning and 871.0 MB in the end (delta: 23.0 MB). Peak memory consumption was 23.0 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...