./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem01_label05_true-unreach-call_false-termination.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 635dfa2a Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_c33508a6-dc4f-40f1-b646-fe71b89cf4f0/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_c33508a6-dc4f-40f1-b646-fe71b89cf4f0/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_c33508a6-dc4f-40f1-b646-fe71b89cf4f0/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_c33508a6-dc4f-40f1-b646-fe71b89cf4f0/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem01_label05_true-unreach-call_false-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_c33508a6-dc4f-40f1-b646-fe71b89cf4f0/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_c33508a6-dc4f-40f1-b646-fe71b89cf4f0/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 6893c9ea3ad65b75d2a8fdb58db378617d0e1a5f .................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................. Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-635dfa2 [2018-12-08 20:30:38,821 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-12-08 20:30:38,822 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-12-08 20:30:38,828 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-12-08 20:30:38,828 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-12-08 20:30:38,828 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-12-08 20:30:38,829 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-12-08 20:30:38,830 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-12-08 20:30:38,831 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-12-08 20:30:38,831 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-12-08 20:30:38,832 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-12-08 20:30:38,832 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-12-08 20:30:38,832 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-12-08 20:30:38,833 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-12-08 20:30:38,833 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-12-08 20:30:38,834 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-12-08 20:30:38,834 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-12-08 20:30:38,835 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-12-08 20:30:38,836 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-12-08 20:30:38,837 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-12-08 20:30:38,837 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-12-08 20:30:38,838 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-12-08 20:30:38,839 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-12-08 20:30:38,839 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-12-08 20:30:38,839 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-12-08 20:30:38,840 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-12-08 20:30:38,840 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-12-08 20:30:38,841 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-12-08 20:30:38,841 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-12-08 20:30:38,842 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-12-08 20:30:38,842 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-12-08 20:30:38,842 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-12-08 20:30:38,842 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-12-08 20:30:38,842 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-12-08 20:30:38,843 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-12-08 20:30:38,843 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-12-08 20:30:38,844 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_c33508a6-dc4f-40f1-b646-fe71b89cf4f0/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-12-08 20:30:38,851 INFO L110 SettingsManager]: Loading preferences was successful [2018-12-08 20:30:38,851 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-12-08 20:30:38,852 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-12-08 20:30:38,852 INFO L133 SettingsManager]: * ... to procedures called more than once=ALWAYS [2018-12-08 20:30:38,852 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-12-08 20:30:38,852 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-12-08 20:30:38,852 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-12-08 20:30:38,852 INFO L133 SettingsManager]: * sizeof long=4 [2018-12-08 20:30:38,852 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-12-08 20:30:38,852 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-12-08 20:30:38,852 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-12-08 20:30:38,853 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-12-08 20:30:38,853 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-12-08 20:30:38,853 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-12-08 20:30:38,853 INFO L133 SettingsManager]: * sizeof long double=12 [2018-12-08 20:30:38,853 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-12-08 20:30:38,853 INFO L133 SettingsManager]: * Use constant arrays=true [2018-12-08 20:30:38,853 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-12-08 20:30:38,853 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-12-08 20:30:38,853 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-12-08 20:30:38,853 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-12-08 20:30:38,853 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-12-08 20:30:38,854 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-12-08 20:30:38,854 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-12-08 20:30:38,854 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-12-08 20:30:38,854 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-12-08 20:30:38,854 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-12-08 20:30:38,854 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-12-08 20:30:38,854 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-12-08 20:30:38,854 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_c33508a6-dc4f-40f1-b646-fe71b89cf4f0/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 -> 6893c9ea3ad65b75d2a8fdb58db378617d0e1a5f [2018-12-08 20:30:38,871 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-12-08 20:30:38,877 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-12-08 20:30:38,879 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-12-08 20:30:38,880 INFO L271 PluginConnector]: Initializing CDTParser... [2018-12-08 20:30:38,880 INFO L276 PluginConnector]: CDTParser initialized [2018-12-08 20:30:38,881 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_c33508a6-dc4f-40f1-b646-fe71b89cf4f0/bin-2019/ukojak/../../sv-benchmarks/c/eca-rers2012/Problem01_label05_true-unreach-call_false-termination.c [2018-12-08 20:30:38,913 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_c33508a6-dc4f-40f1-b646-fe71b89cf4f0/bin-2019/ukojak/data/9b8c6cda6/0027c8cfcc5340809f600d8cd30296fc/FLAGfa8bb3871 [2018-12-08 20:30:39,300 INFO L307 CDTParser]: Found 1 translation units. [2018-12-08 20:30:39,300 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_c33508a6-dc4f-40f1-b646-fe71b89cf4f0/sv-benchmarks/c/eca-rers2012/Problem01_label05_true-unreach-call_false-termination.c [2018-12-08 20:30:39,307 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_c33508a6-dc4f-40f1-b646-fe71b89cf4f0/bin-2019/ukojak/data/9b8c6cda6/0027c8cfcc5340809f600d8cd30296fc/FLAGfa8bb3871 [2018-12-08 20:30:39,316 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_c33508a6-dc4f-40f1-b646-fe71b89cf4f0/bin-2019/ukojak/data/9b8c6cda6/0027c8cfcc5340809f600d8cd30296fc [2018-12-08 20:30:39,317 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-12-08 20:30:39,318 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-12-08 20:30:39,319 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-12-08 20:30:39,319 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-12-08 20:30:39,321 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-12-08 20:30:39,321 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 08:30:39" (1/1) ... [2018-12-08 20:30:39,323 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@a1782ce and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 08:30:39, skipping insertion in model container [2018-12-08 20:30:39,323 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 08.12 08:30:39" (1/1) ... [2018-12-08 20:30:39,327 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-12-08 20:30:39,351 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-12-08 20:30:39,526 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 20:30:39,529 INFO L191 MainTranslator]: Completed pre-run [2018-12-08 20:30:39,578 INFO L203 PostProcessor]: Analyzing one entry point: main [2018-12-08 20:30:39,635 INFO L195 MainTranslator]: Completed translation [2018-12-08 20:30:39,635 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 08:30:39 WrapperNode [2018-12-08 20:30:39,635 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-12-08 20:30:39,636 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-12-08 20:30:39,636 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-12-08 20:30:39,636 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-12-08 20:30:39,641 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 08:30:39" (1/1) ... [2018-12-08 20:30:39,650 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 08:30:39" (1/1) ... [2018-12-08 20:30:39,675 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-12-08 20:30:39,675 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-12-08 20:30:39,675 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-12-08 20:30:39,676 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-12-08 20:30:39,682 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 08:30:39" (1/1) ... [2018-12-08 20:30:39,682 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 08:30:39" (1/1) ... [2018-12-08 20:30:39,684 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 08:30:39" (1/1) ... [2018-12-08 20:30:39,684 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 08:30:39" (1/1) ... [2018-12-08 20:30:39,693 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 08:30:39" (1/1) ... [2018-12-08 20:30:39,699 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 08:30:39" (1/1) ... [2018-12-08 20:30:39,702 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 08:30:39" (1/1) ... [2018-12-08 20:30:39,705 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-12-08 20:30:39,706 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-12-08 20:30:39,706 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-12-08 20:30:39,706 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-12-08 20:30:39,706 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 08.12 08:30:39" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_c33508a6-dc4f-40f1-b646-fe71b89cf4f0/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 [2018-12-08 20:30:39,740 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-12-08 20:30:39,740 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-12-08 20:30:40,622 INFO L275 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-12-08 20:30:40,622 INFO L280 CfgBuilder]: Removed 7 assue(true) statements. [2018-12-08 20:30:40,623 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 08:30:40 BoogieIcfgContainer [2018-12-08 20:30:40,623 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-12-08 20:30:40,623 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-12-08 20:30:40,623 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-12-08 20:30:40,633 INFO L276 PluginConnector]: CodeCheck initialized [2018-12-08 20:30:40,633 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 08:30:40" (1/1) ... [2018-12-08 20:30:40,643 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-12-08 20:30:40,664 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:30:40,669 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 144 states to 76 states and 144 transitions. [2018-12-08 20:30:40,670 INFO L276 IsEmpty]: Start isEmpty. Operand 76 states and 144 transitions. [2018-12-08 20:30:40,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 72 [2018-12-08 20:30:40,673 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:30:40,779 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:30:40,902 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 20:30:41,173 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:30:41,173 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 220 states to 145 states and 220 transitions. [2018-12-08 20:30:41,174 INFO L276 IsEmpty]: Start isEmpty. Operand 145 states and 220 transitions. [2018-12-08 20:30:41,175 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 76 [2018-12-08 20:30:41,175 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:30:41,192 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:30:41,226 INFO L134 CoverageAnalysis]: Checked inductivity of 3 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-08 20:30:41,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:30:41,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 221 states to 146 states and 221 transitions. [2018-12-08 20:30:41,348 INFO L276 IsEmpty]: Start isEmpty. Operand 146 states and 221 transitions. [2018-12-08 20:30:41,349 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2018-12-08 20:30:41,349 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:30:41,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:30:41,393 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 20:30:41,458 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:30:41,459 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 230 states to 151 states and 230 transitions. [2018-12-08 20:30:41,459 INFO L276 IsEmpty]: Start isEmpty. Operand 151 states and 230 transitions. [2018-12-08 20:30:41,460 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2018-12-08 20:30:41,460 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:30:41,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:30:41,501 INFO L134 CoverageAnalysis]: Checked inductivity of 6 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-12-08 20:30:41,915 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:30:41,916 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 319 states to 227 states and 319 transitions. [2018-12-08 20:30:41,916 INFO L276 IsEmpty]: Start isEmpty. Operand 227 states and 319 transitions. [2018-12-08 20:30:41,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2018-12-08 20:30:41,920 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:30:41,931 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:30:41,980 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 33 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-12-08 20:30:42,302 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:30:42,302 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 358 states to 260 states and 358 transitions. [2018-12-08 20:30:42,303 INFO L276 IsEmpty]: Start isEmpty. Operand 260 states and 358 transitions. [2018-12-08 20:30:42,304 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2018-12-08 20:30:42,304 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:30:42,313 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:30:42,447 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 20 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2018-12-08 20:30:42,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:30:42,830 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 375 states to 270 states and 375 transitions. [2018-12-08 20:30:42,831 INFO L276 IsEmpty]: Start isEmpty. Operand 270 states and 375 transitions. [2018-12-08 20:30:42,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2018-12-08 20:30:42,831 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:30:42,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:30:42,903 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2018-12-08 20:30:43,360 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:30:43,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 395 states to 281 states and 395 transitions. [2018-12-08 20:30:43,361 INFO L276 IsEmpty]: Start isEmpty. Operand 281 states and 395 transitions. [2018-12-08 20:30:43,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2018-12-08 20:30:43,362 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:30:43,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:30:43,379 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2018-12-08 20:30:43,670 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:30:43,671 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 405 states to 287 states and 405 transitions. [2018-12-08 20:30:43,671 INFO L276 IsEmpty]: Start isEmpty. Operand 287 states and 405 transitions. [2018-12-08 20:30:43,672 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2018-12-08 20:30:43,672 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:30:43,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:30:43,700 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2018-12-08 20:30:43,948 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:30:43,949 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 412 states to 293 states and 412 transitions. [2018-12-08 20:30:43,949 INFO L276 IsEmpty]: Start isEmpty. Operand 293 states and 412 transitions. [2018-12-08 20:30:43,950 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2018-12-08 20:30:43,950 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:30:43,958 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:30:43,977 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2018-12-08 20:30:44,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:30:44,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 415 states to 296 states and 415 transitions. [2018-12-08 20:30:44,097 INFO L276 IsEmpty]: Start isEmpty. Operand 296 states and 415 transitions. [2018-12-08 20:30:44,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2018-12-08 20:30:44,098 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:30:44,106 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:30:44,122 INFO L134 CoverageAnalysis]: Checked inductivity of 58 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2018-12-08 20:30:44,246 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:30:44,247 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 416 states to 298 states and 416 transitions. [2018-12-08 20:30:44,247 INFO L276 IsEmpty]: Start isEmpty. Operand 298 states and 416 transitions. [2018-12-08 20:30:44,248 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 118 [2018-12-08 20:30:44,248 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:30:44,254 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:30:44,267 INFO L134 CoverageAnalysis]: Checked inductivity of 51 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-12-08 20:30:44,314 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:30:44,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 428 states to 310 states and 428 transitions. [2018-12-08 20:30:44,314 INFO L276 IsEmpty]: Start isEmpty. Operand 310 states and 428 transitions. [2018-12-08 20:30:44,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2018-12-08 20:30:44,315 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:30:44,322 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:30:44,336 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 47 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-12-08 20:30:44,359 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:30:44,360 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 430 states to 312 states and 430 transitions. [2018-12-08 20:30:44,360 INFO L276 IsEmpty]: Start isEmpty. Operand 312 states and 430 transitions. [2018-12-08 20:30:44,361 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2018-12-08 20:30:44,361 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:30:44,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:30:44,398 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2018-12-08 20:30:44,750 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:30:44,750 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 439 states to 318 states and 439 transitions. [2018-12-08 20:30:44,751 INFO L276 IsEmpty]: Start isEmpty. Operand 318 states and 439 transitions. [2018-12-08 20:30:44,751 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2018-12-08 20:30:44,751 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:30:44,757 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:30:44,782 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2018-12-08 20:30:44,891 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:30:44,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 442 states to 321 states and 442 transitions. [2018-12-08 20:30:44,892 INFO L276 IsEmpty]: Start isEmpty. Operand 321 states and 442 transitions. [2018-12-08 20:30:44,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 123 [2018-12-08 20:30:44,892 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:30:44,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:30:44,912 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2018-12-08 20:30:45,012 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:30:45,013 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 445 states to 324 states and 445 transitions. [2018-12-08 20:30:45,013 INFO L276 IsEmpty]: Start isEmpty. Operand 324 states and 445 transitions. [2018-12-08 20:30:45,013 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2018-12-08 20:30:45,013 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:30:45,020 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:30:45,094 INFO L134 CoverageAnalysis]: Checked inductivity of 57 backedges. 57 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 20:30:45,478 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:30:45,479 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 494 states to 369 states and 494 transitions. [2018-12-08 20:30:45,479 INFO L276 IsEmpty]: Start isEmpty. Operand 369 states and 494 transitions. [2018-12-08 20:30:45,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2018-12-08 20:30:45,479 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:30:45,485 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:30:45,561 INFO L134 CoverageAnalysis]: Checked inductivity of 87 backedges. 38 proven. 0 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2018-12-08 20:30:45,784 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:30:45,785 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 501 states to 374 states and 501 transitions. [2018-12-08 20:30:45,785 INFO L276 IsEmpty]: Start isEmpty. Operand 374 states and 501 transitions. [2018-12-08 20:30:45,786 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2018-12-08 20:30:45,786 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:30:45,792 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:30:45,804 INFO L134 CoverageAnalysis]: Checked inductivity of 53 backedges. 53 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 20:30:46,132 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:30:46,133 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 551 states to 417 states and 551 transitions. [2018-12-08 20:30:46,133 INFO L276 IsEmpty]: Start isEmpty. Operand 417 states and 551 transitions. [2018-12-08 20:30:46,133 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 127 [2018-12-08 20:30:46,133 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:30:46,142 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:30:46,163 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-12-08 20:30:46,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:30:46,298 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 560 states to 424 states and 560 transitions. [2018-12-08 20:30:46,298 INFO L276 IsEmpty]: Start isEmpty. Operand 424 states and 560 transitions. [2018-12-08 20:30:46,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2018-12-08 20:30:46,299 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:30:46,304 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:30:46,391 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 72 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-12-08 20:30:47,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:30:47,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 584 states to 435 states and 584 transitions. [2018-12-08 20:30:47,050 INFO L276 IsEmpty]: Start isEmpty. Operand 435 states and 584 transitions. [2018-12-08 20:30:47,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2018-12-08 20:30:47,051 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:30:47,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:30:47,069 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 72 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-12-08 20:30:47,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:30:47,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 593 states to 441 states and 593 transitions. [2018-12-08 20:30:47,405 INFO L276 IsEmpty]: Start isEmpty. Operand 441 states and 593 transitions. [2018-12-08 20:30:47,405 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2018-12-08 20:30:47,406 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:30:47,411 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:30:47,422 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 72 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-12-08 20:30:47,547 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:30:47,548 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 597 states to 444 states and 597 transitions. [2018-12-08 20:30:47,548 INFO L276 IsEmpty]: Start isEmpty. Operand 444 states and 597 transitions. [2018-12-08 20:30:47,548 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2018-12-08 20:30:47,548 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:30:47,555 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:30:47,572 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 72 proven. 0 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-12-08 20:30:47,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:30:47,714 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 599 states to 446 states and 599 transitions. [2018-12-08 20:30:47,714 INFO L276 IsEmpty]: Start isEmpty. Operand 446 states and 599 transitions. [2018-12-08 20:30:47,715 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2018-12-08 20:30:47,715 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:30:47,721 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:30:47,733 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 57 proven. 0 refuted. 0 times theorem prover too weak. 3 trivial. 0 not checked. [2018-12-08 20:30:47,895 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:30:47,896 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 604 states to 450 states and 604 transitions. [2018-12-08 20:30:47,896 INFO L276 IsEmpty]: Start isEmpty. Operand 450 states and 604 transitions. [2018-12-08 20:30:47,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2018-12-08 20:30:47,896 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:30:47,901 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:30:47,966 INFO L134 CoverageAnalysis]: Checked inductivity of 113 backedges. 64 proven. 0 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2018-12-08 20:30:48,312 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:30:48,313 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 624 states to 468 states and 624 transitions. [2018-12-08 20:30:48,313 INFO L276 IsEmpty]: Start isEmpty. Operand 468 states and 624 transitions. [2018-12-08 20:30:48,313 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 141 [2018-12-08 20:30:48,313 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:30:48,323 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:30:48,558 INFO L134 CoverageAnalysis]: Checked inductivity of 68 backedges. 68 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 20:30:49,841 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:30:49,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 691 states to 533 states and 691 transitions. [2018-12-08 20:30:49,841 INFO L276 IsEmpty]: Start isEmpty. Operand 533 states and 691 transitions. [2018-12-08 20:30:49,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2018-12-08 20:30:49,842 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:30:49,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:30:50,120 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 79 proven. 0 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2018-12-08 20:30:51,108 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:30:51,109 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 722 states to 555 states and 722 transitions. [2018-12-08 20:30:51,109 INFO L276 IsEmpty]: Start isEmpty. Operand 555 states and 722 transitions. [2018-12-08 20:30:51,109 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2018-12-08 20:30:51,109 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:30:51,116 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:30:51,205 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 79 proven. 0 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2018-12-08 20:30:51,543 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:30:51,543 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 727 states to 560 states and 727 transitions. [2018-12-08 20:30:51,543 INFO L276 IsEmpty]: Start isEmpty. Operand 560 states and 727 transitions. [2018-12-08 20:30:51,544 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2018-12-08 20:30:51,544 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:30:51,552 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:30:52,085 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 69 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 20:30:54,309 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:30:54,310 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 789 states to 617 states and 789 transitions. [2018-12-08 20:30:54,310 INFO L276 IsEmpty]: Start isEmpty. Operand 617 states and 789 transitions. [2018-12-08 20:30:54,310 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2018-12-08 20:30:54,310 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:30:54,316 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:30:54,327 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 39 proven. 0 refuted. 0 times theorem prover too weak. 54 trivial. 0 not checked. [2018-12-08 20:30:55,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:30:55,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 802 states to 625 states and 802 transitions. [2018-12-08 20:30:55,129 INFO L276 IsEmpty]: Start isEmpty. Operand 625 states and 802 transitions. [2018-12-08 20:30:55,129 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2018-12-08 20:30:55,129 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:30:55,138 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:30:55,507 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 75 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 20:30:57,395 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:30:57,395 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 877 states to 688 states and 877 transitions. [2018-12-08 20:30:57,395 INFO L276 IsEmpty]: Start isEmpty. Operand 688 states and 877 transitions. [2018-12-08 20:30:57,396 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2018-12-08 20:30:57,396 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:30:57,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:30:57,456 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 75 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 20:30:57,878 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:30:57,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 887 states to 698 states and 887 transitions. [2018-12-08 20:30:57,879 INFO L276 IsEmpty]: Start isEmpty. Operand 698 states and 887 transitions. [2018-12-08 20:30:57,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2018-12-08 20:30:57,880 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:30:57,889 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:30:57,919 INFO L134 CoverageAnalysis]: Checked inductivity of 78 backedges. 72 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-12-08 20:30:57,968 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:30:57,968 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 905 states to 716 states and 905 transitions. [2018-12-08 20:30:57,969 INFO L276 IsEmpty]: Start isEmpty. Operand 716 states and 905 transitions. [2018-12-08 20:30:57,969 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2018-12-08 20:30:57,969 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:30:57,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:30:58,000 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 0 proven. 3 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2018-12-08 20:30:58,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:30:58,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 908 states to 720 states and 908 transitions. [2018-12-08 20:30:58,288 INFO L276 IsEmpty]: Start isEmpty. Operand 720 states and 908 transitions. [2018-12-08 20:30:58,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2018-12-08 20:30:58,289 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:30:58,296 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:30:58,424 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 81 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 20:30:58,713 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:30:58,713 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 918 states to 727 states and 918 transitions. [2018-12-08 20:30:58,713 INFO L276 IsEmpty]: Start isEmpty. Operand 727 states and 918 transitions. [2018-12-08 20:30:58,714 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2018-12-08 20:30:58,714 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:30:58,722 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:30:58,874 INFO L134 CoverageAnalysis]: Checked inductivity of 82 backedges. 82 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 20:30:59,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:30:59,679 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 989 states to 798 states and 989 transitions. [2018-12-08 20:30:59,679 INFO L276 IsEmpty]: Start isEmpty. Operand 798 states and 989 transitions. [2018-12-08 20:30:59,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2018-12-08 20:30:59,680 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:30:59,686 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:30:59,887 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 117 proven. 1 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2018-12-08 20:31:00,798 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:31:00,799 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1002 states to 806 states and 1002 transitions. [2018-12-08 20:31:00,799 INFO L276 IsEmpty]: Start isEmpty. Operand 806 states and 1002 transitions. [2018-12-08 20:31:00,800 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2018-12-08 20:31:00,800 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:31:00,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:31:00,822 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 117 proven. 1 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2018-12-08 20:31:00,944 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:31:00,945 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1006 states to 809 states and 1006 transitions. [2018-12-08 20:31:00,945 INFO L276 IsEmpty]: Start isEmpty. Operand 809 states and 1006 transitions. [2018-12-08 20:31:00,946 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2018-12-08 20:31:00,946 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:31:00,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:31:00,971 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 90 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2018-12-08 20:31:01,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:31:01,566 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1050 states to 852 states and 1050 transitions. [2018-12-08 20:31:01,566 INFO L276 IsEmpty]: Start isEmpty. Operand 852 states and 1050 transitions. [2018-12-08 20:31:01,567 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2018-12-08 20:31:01,568 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:31:01,587 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:31:01,607 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 90 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2018-12-08 20:31:01,808 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:31:01,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1053 states to 856 states and 1053 transitions. [2018-12-08 20:31:01,808 INFO L276 IsEmpty]: Start isEmpty. Operand 856 states and 1053 transitions. [2018-12-08 20:31:01,809 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2018-12-08 20:31:01,809 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:31:01,819 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:31:01,921 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 9 proven. 0 refuted. 0 times theorem prover too weak. 146 trivial. 0 not checked. [2018-12-08 20:31:03,534 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:31:03,535 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1187 states to 980 states and 1187 transitions. [2018-12-08 20:31:03,535 INFO L276 IsEmpty]: Start isEmpty. Operand 980 states and 1187 transitions. [2018-12-08 20:31:03,536 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2018-12-08 20:31:03,536 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:31:03,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:31:03,566 INFO L134 CoverageAnalysis]: Checked inductivity of 216 backedges. 167 proven. 0 refuted. 0 times theorem prover too weak. 49 trivial. 0 not checked. [2018-12-08 20:31:03,796 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:31:03,797 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1219 states to 1007 states and 1219 transitions. [2018-12-08 20:31:03,797 INFO L276 IsEmpty]: Start isEmpty. Operand 1007 states and 1219 transitions. [2018-12-08 20:31:03,797 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2018-12-08 20:31:03,797 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:31:03,806 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:31:04,721 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 109 proven. 32 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 20:31:10,284 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:31:10,285 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1292 states to 1072 states and 1292 transitions. [2018-12-08 20:31:10,285 INFO L276 IsEmpty]: Start isEmpty. Operand 1072 states and 1292 transitions. [2018-12-08 20:31:10,285 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2018-12-08 20:31:10,285 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:31:10,294 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:31:10,377 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 109 proven. 32 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 20:31:10,921 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:31:10,922 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1301 states to 1081 states and 1301 transitions. [2018-12-08 20:31:10,922 INFO L276 IsEmpty]: Start isEmpty. Operand 1081 states and 1301 transitions. [2018-12-08 20:31:10,922 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2018-12-08 20:31:10,922 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:31:10,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:31:11,460 INFO L134 CoverageAnalysis]: Checked inductivity of 242 backedges. 137 proven. 70 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2018-12-08 20:31:12,777 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:31:12,778 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1347 states to 1122 states and 1347 transitions. [2018-12-08 20:31:12,778 INFO L276 IsEmpty]: Start isEmpty. Operand 1122 states and 1347 transitions. [2018-12-08 20:31:12,779 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 190 [2018-12-08 20:31:12,779 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:31:12,788 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:31:13,062 INFO L134 CoverageAnalysis]: Checked inductivity of 242 backedges. 137 proven. 70 refuted. 0 times theorem prover too weak. 35 trivial. 0 not checked. [2018-12-08 20:31:13,477 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:31:13,478 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1350 states to 1125 states and 1350 transitions. [2018-12-08 20:31:13,478 INFO L276 IsEmpty]: Start isEmpty. Operand 1125 states and 1350 transitions. [2018-12-08 20:31:13,479 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2018-12-08 20:31:13,479 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:31:13,490 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:31:14,974 INFO L134 CoverageAnalysis]: Checked inductivity of 170 backedges. 129 proven. 41 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 20:31:18,340 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:31:18,340 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1433 states to 1194 states and 1433 transitions. [2018-12-08 20:31:18,340 INFO L276 IsEmpty]: Start isEmpty. Operand 1194 states and 1433 transitions. [2018-12-08 20:31:18,341 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2018-12-08 20:31:18,341 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:31:18,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:31:18,503 INFO L134 CoverageAnalysis]: Checked inductivity of 170 backedges. 129 proven. 41 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 20:31:18,775 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:31:18,776 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1437 states to 1198 states and 1437 transitions. [2018-12-08 20:31:18,776 INFO L276 IsEmpty]: Start isEmpty. Operand 1198 states and 1437 transitions. [2018-12-08 20:31:18,777 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 191 [2018-12-08 20:31:18,777 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:31:18,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:31:18,945 INFO L134 CoverageAnalysis]: Checked inductivity of 170 backedges. 129 proven. 41 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-12-08 20:31:19,260 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:31:19,261 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1476 states to 1237 states and 1476 transitions. [2018-12-08 20:31:19,261 INFO L276 IsEmpty]: Start isEmpty. Operand 1237 states and 1476 transitions. [2018-12-08 20:31:19,262 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 197 [2018-12-08 20:31:19,262 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:31:19,271 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:31:19,364 INFO L134 CoverageAnalysis]: Checked inductivity of 238 backedges. 202 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2018-12-08 20:31:21,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:31:21,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1529 states to 1282 states and 1529 transitions. [2018-12-08 20:31:21,039 INFO L276 IsEmpty]: Start isEmpty. Operand 1282 states and 1529 transitions. [2018-12-08 20:31:21,042 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2018-12-08 20:31:21,042 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:31:21,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:31:21,668 INFO L134 CoverageAnalysis]: Checked inductivity of 259 backedges. 188 proven. 8 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2018-12-08 20:31:23,665 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:31:23,667 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1548 states to 1296 states and 1548 transitions. [2018-12-08 20:31:23,667 INFO L276 IsEmpty]: Start isEmpty. Operand 1296 states and 1548 transitions. [2018-12-08 20:31:23,669 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 198 [2018-12-08 20:31:23,670 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:31:23,683 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:31:23,764 INFO L134 CoverageAnalysis]: Checked inductivity of 259 backedges. 188 proven. 8 refuted. 0 times theorem prover too weak. 63 trivial. 0 not checked. [2018-12-08 20:31:24,110 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:31:24,111 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1551 states to 1300 states and 1551 transitions. [2018-12-08 20:31:24,111 INFO L276 IsEmpty]: Start isEmpty. Operand 1300 states and 1551 transitions. [2018-12-08 20:31:24,113 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 199 [2018-12-08 20:31:24,113 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:31:24,126 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:31:24,159 INFO L134 CoverageAnalysis]: Checked inductivity of 197 backedges. 145 proven. 0 refuted. 0 times theorem prover too weak. 52 trivial. 0 not checked. [2018-12-08 20:31:24,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:31:24,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1554 states to 1302 states and 1554 transitions. [2018-12-08 20:31:24,385 INFO L276 IsEmpty]: Start isEmpty. Operand 1302 states and 1554 transitions. [2018-12-08 20:31:24,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2018-12-08 20:31:24,386 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:31:24,395 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:31:24,684 INFO L134 CoverageAnalysis]: Checked inductivity of 242 backedges. 164 proven. 1 refuted. 0 times theorem prover too weak. 77 trivial. 0 not checked. [2018-12-08 20:31:28,688 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:31:28,689 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1585 states to 1327 states and 1585 transitions. [2018-12-08 20:31:28,689 INFO L276 IsEmpty]: Start isEmpty. Operand 1327 states and 1585 transitions. [2018-12-08 20:31:28,690 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2018-12-08 20:31:28,690 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:31:28,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:31:28,842 INFO L134 CoverageAnalysis]: Checked inductivity of 242 backedges. 164 proven. 1 refuted. 0 times theorem prover too weak. 77 trivial. 0 not checked. [2018-12-08 20:31:29,282 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:31:29,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1588 states to 1331 states and 1588 transitions. [2018-12-08 20:31:29,283 INFO L276 IsEmpty]: Start isEmpty. Operand 1331 states and 1588 transitions. [2018-12-08 20:31:29,283 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2018-12-08 20:31:29,284 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:31:29,292 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:31:30,510 INFO L134 CoverageAnalysis]: Checked inductivity of 188 backedges. 184 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-12-08 20:31:31,721 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:31:31,722 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1594 states to 1335 states and 1594 transitions. [2018-12-08 20:31:31,722 INFO L276 IsEmpty]: Start isEmpty. Operand 1335 states and 1594 transitions. [2018-12-08 20:31:31,723 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 200 [2018-12-08 20:31:31,723 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:31:31,734 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:31:31,839 INFO L134 CoverageAnalysis]: Checked inductivity of 185 backedges. 127 proven. 0 refuted. 0 times theorem prover too weak. 58 trivial. 0 not checked. [2018-12-08 20:31:32,786 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:31:32,786 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1663 states to 1402 states and 1663 transitions. [2018-12-08 20:31:32,786 INFO L276 IsEmpty]: Start isEmpty. Operand 1402 states and 1663 transitions. [2018-12-08 20:31:32,787 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209 [2018-12-08 20:31:32,787 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:31:32,797 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:31:33,153 INFO L134 CoverageAnalysis]: Checked inductivity of 309 backedges. 214 proven. 0 refuted. 0 times theorem prover too weak. 95 trivial. 0 not checked. [2018-12-08 20:31:34,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:31:34,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1678 states to 1409 states and 1678 transitions. [2018-12-08 20:31:34,733 INFO L276 IsEmpty]: Start isEmpty. Operand 1409 states and 1678 transitions. [2018-12-08 20:31:34,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209 [2018-12-08 20:31:34,734 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:31:34,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:31:34,765 INFO L134 CoverageAnalysis]: Checked inductivity of 309 backedges. 214 proven. 0 refuted. 0 times theorem prover too weak. 95 trivial. 0 not checked. [2018-12-08 20:31:35,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:31:35,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1682 states to 1411 states and 1682 transitions. [2018-12-08 20:31:35,048 INFO L276 IsEmpty]: Start isEmpty. Operand 1411 states and 1682 transitions. [2018-12-08 20:31:35,049 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209 [2018-12-08 20:31:35,049 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:31:35,058 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:31:35,083 INFO L134 CoverageAnalysis]: Checked inductivity of 309 backedges. 214 proven. 0 refuted. 0 times theorem prover too weak. 95 trivial. 0 not checked. [2018-12-08 20:31:35,353 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:31:35,354 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1682 states to 1412 states and 1682 transitions. [2018-12-08 20:31:35,354 INFO L276 IsEmpty]: Start isEmpty. Operand 1412 states and 1682 transitions. [2018-12-08 20:31:35,355 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 209 [2018-12-08 20:31:35,355 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:31:35,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:31:35,385 INFO L134 CoverageAnalysis]: Checked inductivity of 309 backedges. 214 proven. 0 refuted. 0 times theorem prover too weak. 95 trivial. 0 not checked. [2018-12-08 20:31:35,687 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:31:35,687 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1682 states to 1413 states and 1682 transitions. [2018-12-08 20:31:35,688 INFO L276 IsEmpty]: Start isEmpty. Operand 1413 states and 1682 transitions. [2018-12-08 20:31:35,688 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 212 [2018-12-08 20:31:35,688 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:31:35,698 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:31:35,723 INFO L134 CoverageAnalysis]: Checked inductivity of 244 backedges. 168 proven. 0 refuted. 0 times theorem prover too weak. 76 trivial. 0 not checked. [2018-12-08 20:31:35,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:31:35,890 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1687 states to 1416 states and 1687 transitions. [2018-12-08 20:31:35,890 INFO L276 IsEmpty]: Start isEmpty. Operand 1416 states and 1687 transitions. [2018-12-08 20:31:35,891 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2018-12-08 20:31:35,891 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:31:35,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:31:36,575 INFO L134 CoverageAnalysis]: Checked inductivity of 324 backedges. 256 proven. 20 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2018-12-08 20:31:41,384 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:31:41,385 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1730 states to 1446 states and 1730 transitions. [2018-12-08 20:31:41,385 INFO L276 IsEmpty]: Start isEmpty. Operand 1446 states and 1730 transitions. [2018-12-08 20:31:41,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2018-12-08 20:31:41,386 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:31:41,396 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:31:41,456 INFO L134 CoverageAnalysis]: Checked inductivity of 324 backedges. 256 proven. 20 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2018-12-08 20:31:43,536 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:31:43,537 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1748 states to 1460 states and 1748 transitions. [2018-12-08 20:31:43,537 INFO L276 IsEmpty]: Start isEmpty. Operand 1460 states and 1748 transitions. [2018-12-08 20:31:43,538 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2018-12-08 20:31:43,538 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:31:43,547 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:31:43,607 INFO L134 CoverageAnalysis]: Checked inductivity of 324 backedges. 256 proven. 20 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2018-12-08 20:31:44,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:31:44,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1751 states to 1464 states and 1751 transitions. [2018-12-08 20:31:44,291 INFO L276 IsEmpty]: Start isEmpty. Operand 1464 states and 1751 transitions. [2018-12-08 20:31:44,292 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2018-12-08 20:31:44,292 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:31:44,301 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:31:44,363 INFO L134 CoverageAnalysis]: Checked inductivity of 324 backedges. 256 proven. 20 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2018-12-08 20:31:44,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:31:44,819 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1754 states to 1468 states and 1754 transitions. [2018-12-08 20:31:44,819 INFO L276 IsEmpty]: Start isEmpty. Operand 1468 states and 1754 transitions. [2018-12-08 20:31:44,820 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 216 [2018-12-08 20:31:44,820 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:31:44,829 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:31:44,890 INFO L134 CoverageAnalysis]: Checked inductivity of 324 backedges. 256 proven. 20 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2018-12-08 20:31:45,627 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:31:45,630 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1756 states to 1469 states and 1756 transitions. [2018-12-08 20:31:45,630 INFO L276 IsEmpty]: Start isEmpty. Operand 1469 states and 1756 transitions. [2018-12-08 20:31:45,632 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2018-12-08 20:31:45,633 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:31:45,654 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:31:45,812 INFO L134 CoverageAnalysis]: Checked inductivity of 352 backedges. 275 proven. 4 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2018-12-08 20:31:46,572 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:31:46,573 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1763 states to 1473 states and 1763 transitions. [2018-12-08 20:31:46,573 INFO L276 IsEmpty]: Start isEmpty. Operand 1473 states and 1763 transitions. [2018-12-08 20:31:46,574 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2018-12-08 20:31:46,574 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:31:46,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:31:46,655 INFO L134 CoverageAnalysis]: Checked inductivity of 352 backedges. 275 proven. 4 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2018-12-08 20:31:46,898 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:31:46,899 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1766 states to 1476 states and 1766 transitions. [2018-12-08 20:31:46,899 INFO L276 IsEmpty]: Start isEmpty. Operand 1476 states and 1766 transitions. [2018-12-08 20:31:46,900 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 218 [2018-12-08 20:31:46,900 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:31:46,909 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:31:46,953 INFO L134 CoverageAnalysis]: Checked inductivity of 352 backedges. 275 proven. 4 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2018-12-08 20:31:47,315 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:31:47,315 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1769 states to 1479 states and 1769 transitions. [2018-12-08 20:31:47,316 INFO L276 IsEmpty]: Start isEmpty. Operand 1479 states and 1769 transitions. [2018-12-08 20:31:47,316 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 221 [2018-12-08 20:31:47,316 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:31:47,326 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:31:47,861 INFO L134 CoverageAnalysis]: Checked inductivity of 332 backedges. 238 proven. 0 refuted. 0 times theorem prover too weak. 94 trivial. 0 not checked. [2018-12-08 20:31:49,097 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:31:49,099 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1810 states to 1520 states and 1810 transitions. [2018-12-08 20:31:49,099 INFO L276 IsEmpty]: Start isEmpty. Operand 1520 states and 1810 transitions. [2018-12-08 20:31:49,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 222 [2018-12-08 20:31:49,101 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:31:49,117 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:31:49,405 INFO L134 CoverageAnalysis]: Checked inductivity of 279 backedges. 181 proven. 0 refuted. 0 times theorem prover too weak. 98 trivial. 0 not checked. [2018-12-08 20:31:51,278 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:31:51,279 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1814 states to 1522 states and 1814 transitions. [2018-12-08 20:31:51,280 INFO L276 IsEmpty]: Start isEmpty. Operand 1522 states and 1814 transitions. [2018-12-08 20:31:51,281 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 229 [2018-12-08 20:31:51,281 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:31:51,291 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:31:51,331 INFO L134 CoverageAnalysis]: Checked inductivity of 305 backedges. 238 proven. 0 refuted. 0 times theorem prover too weak. 67 trivial. 0 not checked. [2018-12-08 20:31:54,907 WARN L180 SmtUtils]: Spent 108.00 ms on a formula simplification. DAG size of input: 30 DAG size of output: 28 [2018-12-08 20:31:56,217 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:31:56,218 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1879 states to 1580 states and 1879 transitions. [2018-12-08 20:31:56,218 INFO L276 IsEmpty]: Start isEmpty. Operand 1580 states and 1879 transitions. [2018-12-08 20:31:56,219 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 236 [2018-12-08 20:31:56,219 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:31:56,229 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:31:57,455 INFO L134 CoverageAnalysis]: Checked inductivity of 311 backedges. 226 proven. 0 refuted. 0 times theorem prover too weak. 85 trivial. 0 not checked. [2018-12-08 20:31:58,796 WARN L180 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 43 [2018-12-08 20:32:01,993 WARN L180 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 42 [2018-12-08 20:32:03,420 WARN L180 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 37 [2018-12-08 20:32:04,612 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:32:04,613 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1929 states to 1628 states and 1929 transitions. [2018-12-08 20:32:04,613 INFO L276 IsEmpty]: Start isEmpty. Operand 1628 states and 1929 transitions. [2018-12-08 20:32:04,614 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 236 [2018-12-08 20:32:04,615 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:32:04,628 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:32:04,742 INFO L134 CoverageAnalysis]: Checked inductivity of 311 backedges. 226 proven. 0 refuted. 0 times theorem prover too weak. 85 trivial. 0 not checked. [2018-12-08 20:32:05,216 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:32:05,217 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1932 states to 1632 states and 1932 transitions. [2018-12-08 20:32:05,217 INFO L276 IsEmpty]: Start isEmpty. Operand 1632 states and 1932 transitions. [2018-12-08 20:32:05,218 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 242 [2018-12-08 20:32:05,218 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:32:05,228 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:32:05,686 INFO L134 CoverageAnalysis]: Checked inductivity of 318 backedges. 248 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2018-12-08 20:32:10,772 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:32:10,773 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1977 states to 1676 states and 1977 transitions. [2018-12-08 20:32:10,773 INFO L276 IsEmpty]: Start isEmpty. Operand 1676 states and 1977 transitions. [2018-12-08 20:32:10,774 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 242 [2018-12-08 20:32:10,774 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:32:10,783 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:32:13,140 INFO L134 CoverageAnalysis]: Checked inductivity of 350 backedges. 287 proven. 18 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2018-12-08 20:32:15,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:32:15,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1991 states to 1685 states and 1991 transitions. [2018-12-08 20:32:15,976 INFO L276 IsEmpty]: Start isEmpty. Operand 1685 states and 1991 transitions. [2018-12-08 20:32:15,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 242 [2018-12-08 20:32:15,977 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:32:15,986 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:32:16,177 INFO L134 CoverageAnalysis]: Checked inductivity of 350 backedges. 287 proven. 18 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2018-12-08 20:32:16,551 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:32:16,552 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1994 states to 1688 states and 1994 transitions. [2018-12-08 20:32:16,552 INFO L276 IsEmpty]: Start isEmpty. Operand 1688 states and 1994 transitions. [2018-12-08 20:32:16,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 242 [2018-12-08 20:32:16,553 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:32:16,562 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:32:16,730 INFO L134 CoverageAnalysis]: Checked inductivity of 318 backedges. 248 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2018-12-08 20:32:17,094 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:32:17,095 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1997 states to 1692 states and 1997 transitions. [2018-12-08 20:32:17,095 INFO L276 IsEmpty]: Start isEmpty. Operand 1692 states and 1997 transitions. [2018-12-08 20:32:17,096 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 242 [2018-12-08 20:32:17,096 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:32:17,107 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:32:17,308 INFO L134 CoverageAnalysis]: Checked inductivity of 350 backedges. 287 proven. 18 refuted. 0 times theorem prover too weak. 45 trivial. 0 not checked. [2018-12-08 20:32:17,854 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:32:17,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2000 states to 1695 states and 2000 transitions. [2018-12-08 20:32:17,855 INFO L276 IsEmpty]: Start isEmpty. Operand 1695 states and 2000 transitions. [2018-12-08 20:32:17,856 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 243 [2018-12-08 20:32:17,856 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:32:17,870 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:32:17,908 INFO L134 CoverageAnalysis]: Checked inductivity of 372 backedges. 170 proven. 0 refuted. 0 times theorem prover too weak. 202 trivial. 0 not checked. [2018-12-08 20:32:18,557 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:32:18,558 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2073 states to 1765 states and 2073 transitions. [2018-12-08 20:32:18,558 INFO L276 IsEmpty]: Start isEmpty. Operand 1765 states and 2073 transitions. [2018-12-08 20:32:18,559 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 247 [2018-12-08 20:32:18,559 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:32:18,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:32:18,626 INFO L134 CoverageAnalysis]: Checked inductivity of 328 backedges. 12 proven. 0 refuted. 0 times theorem prover too weak. 316 trivial. 0 not checked. [2018-12-08 20:32:19,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:32:19,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2085 states to 1769 states and 2085 transitions. [2018-12-08 20:32:19,353 INFO L276 IsEmpty]: Start isEmpty. Operand 1769 states and 2085 transitions. [2018-12-08 20:32:19,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 258 [2018-12-08 20:32:19,354 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:32:19,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:32:19,799 INFO L134 CoverageAnalysis]: Checked inductivity of 391 backedges. 321 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2018-12-08 20:32:24,838 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:32:24,839 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2109 states to 1792 states and 2109 transitions. [2018-12-08 20:32:24,839 INFO L276 IsEmpty]: Start isEmpty. Operand 1792 states and 2109 transitions. [2018-12-08 20:32:24,840 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 258 [2018-12-08 20:32:24,840 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:32:24,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:32:24,949 INFO L134 CoverageAnalysis]: Checked inductivity of 391 backedges. 321 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2018-12-08 20:32:26,179 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:32:26,180 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2113 states to 1797 states and 2113 transitions. [2018-12-08 20:32:26,180 INFO L276 IsEmpty]: Start isEmpty. Operand 1797 states and 2113 transitions. [2018-12-08 20:32:26,181 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 266 [2018-12-08 20:32:26,181 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:32:26,196 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:32:26,542 INFO L134 CoverageAnalysis]: Checked inductivity of 400 backedges. 313 proven. 0 refuted. 0 times theorem prover too weak. 87 trivial. 0 not checked. [2018-12-08 20:32:32,806 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:32:32,808 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2230 states to 1888 states and 2230 transitions. [2018-12-08 20:32:32,808 INFO L276 IsEmpty]: Start isEmpty. Operand 1888 states and 2230 transitions. [2018-12-08 20:32:32,811 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 269 [2018-12-08 20:32:32,811 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:32:32,837 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:32:34,275 INFO L134 CoverageAnalysis]: Checked inductivity of 413 backedges. 320 proven. 0 refuted. 0 times theorem prover too weak. 93 trivial. 0 not checked. [2018-12-08 20:32:41,580 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:32:41,581 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2309 states to 1960 states and 2309 transitions. [2018-12-08 20:32:41,581 INFO L276 IsEmpty]: Start isEmpty. Operand 1960 states and 2309 transitions. [2018-12-08 20:32:41,582 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 269 [2018-12-08 20:32:41,582 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:32:41,596 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:32:41,717 INFO L134 CoverageAnalysis]: Checked inductivity of 413 backedges. 320 proven. 0 refuted. 0 times theorem prover too weak. 93 trivial. 0 not checked. [2018-12-08 20:32:44,575 WARN L180 SmtUtils]: Spent 125.00 ms on a formula simplification. DAG size of input: 32 DAG size of output: 28 [2018-12-08 20:32:46,176 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:32:46,177 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2372 states to 2023 states and 2372 transitions. [2018-12-08 20:32:46,177 INFO L276 IsEmpty]: Start isEmpty. Operand 2023 states and 2372 transitions. [2018-12-08 20:32:46,178 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 270 [2018-12-08 20:32:46,178 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:32:46,194 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:32:46,582 INFO L134 CoverageAnalysis]: Checked inductivity of 403 backedges. 321 proven. 0 refuted. 0 times theorem prover too weak. 82 trivial. 0 not checked. [2018-12-08 20:32:53,203 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:32:53,204 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2464 states to 2107 states and 2464 transitions. [2018-12-08 20:32:53,204 INFO L276 IsEmpty]: Start isEmpty. Operand 2107 states and 2464 transitions. [2018-12-08 20:32:53,205 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 271 [2018-12-08 20:32:53,205 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:32:53,219 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:32:53,840 INFO L134 CoverageAnalysis]: Checked inductivity of 382 backedges. 312 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2018-12-08 20:32:55,737 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:32:55,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2474 states to 2115 states and 2474 transitions. [2018-12-08 20:32:55,738 INFO L276 IsEmpty]: Start isEmpty. Operand 2115 states and 2474 transitions. [2018-12-08 20:32:55,739 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 271 [2018-12-08 20:32:55,739 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:32:55,753 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:32:55,886 INFO L134 CoverageAnalysis]: Checked inductivity of 382 backedges. 312 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2018-12-08 20:32:56,842 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:32:56,843 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2482 states to 2123 states and 2482 transitions. [2018-12-08 20:32:56,843 INFO L276 IsEmpty]: Start isEmpty. Operand 2123 states and 2482 transitions. [2018-12-08 20:32:56,844 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 271 [2018-12-08 20:32:56,844 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:32:56,858 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:32:56,991 INFO L134 CoverageAnalysis]: Checked inductivity of 382 backedges. 312 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2018-12-08 20:32:57,870 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:32:57,873 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2485 states to 2125 states and 2485 transitions. [2018-12-08 20:32:57,873 INFO L276 IsEmpty]: Start isEmpty. Operand 2125 states and 2485 transitions. [2018-12-08 20:32:57,876 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 278 [2018-12-08 20:32:57,876 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:32:57,893 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:32:59,896 INFO L134 CoverageAnalysis]: Checked inductivity of 431 backedges. 339 proven. 0 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2018-12-08 20:33:05,764 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:33:05,764 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2518 states to 2157 states and 2518 transitions. [2018-12-08 20:33:05,765 INFO L276 IsEmpty]: Start isEmpty. Operand 2157 states and 2518 transitions. [2018-12-08 20:33:05,766 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 281 [2018-12-08 20:33:05,766 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:33:05,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:33:07,615 WARN L180 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 31 [2018-12-08 20:33:08,640 WARN L180 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 29 [2018-12-08 20:33:09,592 WARN L180 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 27 [2018-12-08 20:33:10,641 INFO L134 CoverageAnalysis]: Checked inductivity of 443 backedges. 339 proven. 0 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2018-12-08 20:33:11,155 WARN L180 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 31 DAG size of output: 31 [2018-12-08 20:33:15,129 WARN L180 SmtUtils]: Spent 161.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 35 [2018-12-08 20:33:18,079 WARN L180 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 31 [2018-12-08 20:33:29,328 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:33:29,330 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2573 states to 2209 states and 2573 transitions. [2018-12-08 20:33:29,330 INFO L276 IsEmpty]: Start isEmpty. Operand 2209 states and 2573 transitions. [2018-12-08 20:33:29,332 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 284 [2018-12-08 20:33:29,332 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:33:29,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:33:30,859 INFO L134 CoverageAnalysis]: Checked inductivity of 449 backedges. 345 proven. 0 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2018-12-08 20:33:35,217 WARN L180 SmtUtils]: Spent 191.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 38 [2018-12-08 20:33:38,231 WARN L180 SmtUtils]: Spent 203.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 34 [2018-12-08 20:33:39,047 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:33:39,048 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2620 states to 2253 states and 2620 transitions. [2018-12-08 20:33:39,048 INFO L276 IsEmpty]: Start isEmpty. Operand 2253 states and 2620 transitions. [2018-12-08 20:33:39,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 284 [2018-12-08 20:33:39,051 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:33:39,068 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:33:39,206 INFO L134 CoverageAnalysis]: Checked inductivity of 449 backedges. 345 proven. 0 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2018-12-08 20:33:40,698 WARN L180 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 31 [2018-12-08 20:33:43,326 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:33:43,328 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2627 states to 2261 states and 2627 transitions. [2018-12-08 20:33:43,328 INFO L276 IsEmpty]: Start isEmpty. Operand 2261 states and 2627 transitions. [2018-12-08 20:33:43,330 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 284 [2018-12-08 20:33:43,330 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:33:43,342 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:33:43,481 INFO L134 CoverageAnalysis]: Checked inductivity of 449 backedges. 345 proven. 0 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2018-12-08 20:33:45,397 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:33:45,398 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2634 states to 2268 states and 2634 transitions. [2018-12-08 20:33:45,398 INFO L276 IsEmpty]: Start isEmpty. Operand 2268 states and 2634 transitions. [2018-12-08 20:33:45,399 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 284 [2018-12-08 20:33:45,399 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:33:45,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:33:45,547 INFO L134 CoverageAnalysis]: Checked inductivity of 449 backedges. 345 proven. 0 refuted. 0 times theorem prover too weak. 104 trivial. 0 not checked. [2018-12-08 20:33:47,825 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:33:47,826 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2652 states to 2287 states and 2652 transitions. [2018-12-08 20:33:47,826 INFO L276 IsEmpty]: Start isEmpty. Operand 2287 states and 2652 transitions. [2018-12-08 20:33:47,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 287 [2018-12-08 20:33:47,827 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:33:47,842 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:33:48,255 INFO L134 CoverageAnalysis]: Checked inductivity of 471 backedges. 355 proven. 0 refuted. 0 times theorem prover too weak. 116 trivial. 0 not checked. [2018-12-08 20:33:53,081 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:33:53,082 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2731 states to 2357 states and 2731 transitions. [2018-12-08 20:33:53,082 INFO L276 IsEmpty]: Start isEmpty. Operand 2357 states and 2731 transitions. [2018-12-08 20:33:53,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 287 [2018-12-08 20:33:53,114 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:33:53,129 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:33:53,237 INFO L134 CoverageAnalysis]: Checked inductivity of 471 backedges. 355 proven. 0 refuted. 0 times theorem prover too weak. 116 trivial. 0 not checked. [2018-12-08 20:33:56,791 WARN L180 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 34 [2018-12-08 20:33:59,537 WARN L180 SmtUtils]: Spent 253.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 36 [2018-12-08 20:34:00,123 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:34:00,125 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2775 states to 2401 states and 2775 transitions. [2018-12-08 20:34:00,125 INFO L276 IsEmpty]: Start isEmpty. Operand 2401 states and 2775 transitions. [2018-12-08 20:34:00,127 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 287 [2018-12-08 20:34:00,127 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:34:00,150 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:34:00,317 INFO L134 CoverageAnalysis]: Checked inductivity of 430 backedges. 342 proven. 5 refuted. 0 times theorem prover too weak. 83 trivial. 0 not checked. [2018-12-08 20:34:00,766 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:34:00,767 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2776 states to 2403 states and 2776 transitions. [2018-12-08 20:34:00,767 INFO L276 IsEmpty]: Start isEmpty. Operand 2403 states and 2776 transitions. [2018-12-08 20:34:00,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 294 [2018-12-08 20:34:00,769 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:34:00,785 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:34:01,734 WARN L180 SmtUtils]: Spent 106.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 34 [2018-12-08 20:34:03,484 WARN L180 SmtUtils]: Spent 127.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 29 [2018-12-08 20:34:04,659 WARN L180 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 31 DAG size of output: 27 [2018-12-08 20:34:04,983 INFO L134 CoverageAnalysis]: Checked inductivity of 532 backedges. 430 proven. 0 refuted. 0 times theorem prover too weak. 102 trivial. 0 not checked. [2018-12-08 20:34:10,928 WARN L180 SmtUtils]: Spent 156.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 40 [2018-12-08 20:34:13,604 WARN L180 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 38 [2018-12-08 20:34:18,414 WARN L180 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 33 [2018-12-08 20:34:20,113 WARN L180 SmtUtils]: Spent 250.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 43 [2018-12-08 20:34:21,384 WARN L180 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 44 [2018-12-08 20:34:22,232 WARN L180 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 44 [2018-12-08 20:34:23,735 WARN L180 SmtUtils]: Spent 192.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 41 [2018-12-08 20:34:26,671 WARN L180 SmtUtils]: Spent 195.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 35 [2018-12-08 20:34:28,018 WARN L180 SmtUtils]: Spent 103.00 ms on a formula simplification that was a NOOP. DAG size: 36 [2018-12-08 20:34:28,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:34:28,073 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2853 states to 2470 states and 2853 transitions. [2018-12-08 20:34:28,073 INFO L276 IsEmpty]: Start isEmpty. Operand 2470 states and 2853 transitions. [2018-12-08 20:34:28,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 302 [2018-12-08 20:34:28,077 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:34:28,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:34:30,997 INFO L134 CoverageAnalysis]: Checked inductivity of 550 backedges. 476 proven. 4 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2018-12-08 20:34:35,154 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:34:35,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2855 states to 2471 states and 2855 transitions. [2018-12-08 20:34:35,156 INFO L276 IsEmpty]: Start isEmpty. Operand 2471 states and 2855 transitions. [2018-12-08 20:34:35,158 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 302 [2018-12-08 20:34:35,158 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:34:35,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:34:35,513 INFO L134 CoverageAnalysis]: Checked inductivity of 550 backedges. 476 proven. 4 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2018-12-08 20:34:36,038 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:34:36,039 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2858 states to 2474 states and 2858 transitions. [2018-12-08 20:34:36,039 INFO L276 IsEmpty]: Start isEmpty. Operand 2474 states and 2858 transitions. [2018-12-08 20:34:36,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 306 [2018-12-08 20:34:36,041 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:34:36,060 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:34:36,340 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 438 proven. 7 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2018-12-08 20:34:38,470 WARN L180 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 34 DAG size of output: 34 [2018-12-08 20:34:43,949 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:34:43,950 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2878 states to 2493 states and 2878 transitions. [2018-12-08 20:34:43,950 INFO L276 IsEmpty]: Start isEmpty. Operand 2493 states and 2878 transitions. [2018-12-08 20:34:43,951 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 306 [2018-12-08 20:34:43,951 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:34:43,965 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:34:44,243 INFO L134 CoverageAnalysis]: Checked inductivity of 544 backedges. 438 proven. 7 refuted. 0 times theorem prover too weak. 99 trivial. 0 not checked. [2018-12-08 20:34:45,003 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:34:45,005 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2881 states to 2496 states and 2881 transitions. [2018-12-08 20:34:45,005 INFO L276 IsEmpty]: Start isEmpty. Operand 2496 states and 2881 transitions. [2018-12-08 20:34:45,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 307 [2018-12-08 20:34:45,007 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:34:45,029 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:34:45,583 INFO L134 CoverageAnalysis]: Checked inductivity of 563 backedges. 395 proven. 0 refuted. 0 times theorem prover too weak. 168 trivial. 0 not checked. [2018-12-08 20:34:49,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:34:49,675 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2972 states to 2584 states and 2972 transitions. [2018-12-08 20:34:49,675 INFO L276 IsEmpty]: Start isEmpty. Operand 2584 states and 2972 transitions. [2018-12-08 20:34:49,679 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 314 [2018-12-08 20:34:49,679 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:34:49,706 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:34:51,630 WARN L180 SmtUtils]: Spent 126.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 34 [2018-12-08 20:34:52,770 WARN L180 SmtUtils]: Spent 149.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 32 [2018-12-08 20:34:54,445 WARN L180 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 29 [2018-12-08 20:34:55,827 INFO L134 CoverageAnalysis]: Checked inductivity of 612 backedges. 497 proven. 0 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2018-12-08 20:34:59,394 WARN L180 SmtUtils]: Spent 178.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 41 [2018-12-08 20:35:03,264 WARN L180 SmtUtils]: Spent 144.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 33 [2018-12-08 20:35:10,085 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:35:10,086 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3022 states to 2632 states and 3022 transitions. [2018-12-08 20:35:10,086 INFO L276 IsEmpty]: Start isEmpty. Operand 2632 states and 3022 transitions. [2018-12-08 20:35:10,088 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 318 [2018-12-08 20:35:10,088 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:35:10,102 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:35:14,666 INFO L134 CoverageAnalysis]: Checked inductivity of 572 backedges. 495 proven. 4 refuted. 0 times theorem prover too weak. 73 trivial. 0 not checked. [2018-12-08 20:35:17,293 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:35:17,295 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3092 states to 2701 states and 3092 transitions. [2018-12-08 20:35:17,295 INFO L276 IsEmpty]: Start isEmpty. Operand 2701 states and 3092 transitions. [2018-12-08 20:35:17,297 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 318 [2018-12-08 20:35:17,297 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:35:17,314 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:35:18,114 INFO L134 CoverageAnalysis]: Checked inductivity of 569 backedges. 499 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2018-12-08 20:35:19,781 WARN L180 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 45 [2018-12-08 20:35:24,050 WARN L180 SmtUtils]: Spent 284.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 43 [2018-12-08 20:35:24,906 WARN L180 SmtUtils]: Spent 201.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 41 [2018-12-08 20:35:27,449 WARN L180 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 37 [2018-12-08 20:35:29,209 WARN L180 SmtUtils]: Spent 213.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 34 [2018-12-08 20:35:31,389 WARN L180 SmtUtils]: Spent 148.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 27 [2018-12-08 20:35:32,916 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:35:32,917 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3126 states to 2730 states and 3126 transitions. [2018-12-08 20:35:32,918 INFO L276 IsEmpty]: Start isEmpty. Operand 2730 states and 3126 transitions. [2018-12-08 20:35:32,920 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 318 [2018-12-08 20:35:32,920 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:35:32,937 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:35:33,129 INFO L134 CoverageAnalysis]: Checked inductivity of 569 backedges. 499 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2018-12-08 20:35:33,809 WARN L180 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 33 DAG size of output: 33 [2018-12-08 20:35:43,025 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:35:43,026 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3147 states to 2750 states and 3147 transitions. [2018-12-08 20:35:43,026 INFO L276 IsEmpty]: Start isEmpty. Operand 2750 states and 3147 transitions. [2018-12-08 20:35:43,028 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 318 [2018-12-08 20:35:43,028 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:35:43,045 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:35:43,234 INFO L134 CoverageAnalysis]: Checked inductivity of 569 backedges. 499 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2018-12-08 20:35:46,875 WARN L180 SmtUtils]: Spent 208.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 37 [2018-12-08 20:35:49,235 WARN L180 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 42 [2018-12-08 20:35:50,696 WARN L180 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 43 [2018-12-08 20:35:51,880 WARN L180 SmtUtils]: Spent 266.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 43 [2018-12-08 20:35:53,259 WARN L180 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 44 [2018-12-08 20:35:55,882 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:35:55,883 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3173 states to 2773 states and 3173 transitions. [2018-12-08 20:35:55,883 INFO L276 IsEmpty]: Start isEmpty. Operand 2773 states and 3173 transitions. [2018-12-08 20:35:55,885 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 318 [2018-12-08 20:35:55,885 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:35:55,900 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:35:56,086 INFO L134 CoverageAnalysis]: Checked inductivity of 569 backedges. 499 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2018-12-08 20:35:57,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:35:57,402 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3158 states to 2760 states and 3158 transitions. [2018-12-08 20:35:57,402 INFO L276 IsEmpty]: Start isEmpty. Operand 2760 states and 3158 transitions. [2018-12-08 20:35:57,403 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 318 [2018-12-08 20:35:57,403 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:35:57,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:35:57,580 INFO L134 CoverageAnalysis]: Checked inductivity of 569 backedges. 499 proven. 0 refuted. 0 times theorem prover too weak. 70 trivial. 0 not checked. [2018-12-08 20:35:58,177 WARN L180 SmtUtils]: Spent 180.00 ms on a formula simplification. DAG size of input: 45 DAG size of output: 45 [2018-12-08 20:35:59,557 WARN L180 SmtUtils]: Spent 104.00 ms on a formula simplification that was a NOOP. DAG size: 46 [2018-12-08 20:36:00,486 WARN L180 SmtUtils]: Spent 311.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 46 [2018-12-08 20:36:03,275 WARN L180 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 46 [2018-12-08 20:36:03,526 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:36:03,528 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3162 states to 2766 states and 3162 transitions. [2018-12-08 20:36:03,528 INFO L276 IsEmpty]: Start isEmpty. Operand 2766 states and 3162 transitions. [2018-12-08 20:36:03,529 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 327 [2018-12-08 20:36:03,529 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:36:03,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:36:04,083 INFO L134 CoverageAnalysis]: Checked inductivity of 613 backedges. 435 proven. 0 refuted. 0 times theorem prover too weak. 178 trivial. 0 not checked. [2018-12-08 20:36:11,509 WARN L180 SmtUtils]: Spent 100.00 ms on a formula simplification. DAG size of input: 29 DAG size of output: 29 [2018-12-08 20:36:13,501 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:36:13,503 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3302 states to 2896 states and 3302 transitions. [2018-12-08 20:36:13,503 INFO L276 IsEmpty]: Start isEmpty. Operand 2896 states and 3302 transitions. [2018-12-08 20:36:13,506 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 328 [2018-12-08 20:36:13,507 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:36:13,527 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:36:18,242 INFO L134 CoverageAnalysis]: Checked inductivity of 701 backedges. 607 proven. 0 refuted. 0 times theorem prover too weak. 94 trivial. 0 not checked. [2018-12-08 20:36:23,320 WARN L180 SmtUtils]: Spent 262.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 40 [2018-12-08 20:36:25,057 WARN L180 SmtUtils]: Spent 129.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 30 [2018-12-08 20:36:25,459 WARN L180 SmtUtils]: Spent 236.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 41 [2018-12-08 20:36:27,567 WARN L180 SmtUtils]: Spent 118.00 ms on a formula simplification that was a NOOP. DAG size: 43 [2018-12-08 20:36:27,917 WARN L180 SmtUtils]: Spent 115.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 27 [2018-12-08 20:36:29,487 WARN L180 SmtUtils]: Spent 267.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 42 [2018-12-08 20:36:32,097 WARN L180 SmtUtils]: Spent 111.00 ms on a formula simplification that was a NOOP. DAG size: 43 [2018-12-08 20:36:32,439 WARN L180 SmtUtils]: Spent 122.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 25 [2018-12-08 20:36:33,910 WARN L180 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 42 [2018-12-08 20:36:35,497 WARN L180 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 43 [2018-12-08 20:36:39,403 WARN L180 SmtUtils]: Spent 297.00 ms on a formula simplification. DAG size of input: 46 DAG size of output: 45 [2018-12-08 20:36:40,988 WARN L180 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 46 [2018-12-08 20:36:41,747 WARN L180 SmtUtils]: Spent 315.00 ms on a formula simplification. DAG size of input: 44 DAG size of output: 43 [2018-12-08 20:36:42,270 WARN L180 SmtUtils]: Spent 136.00 ms on a formula simplification that was a NOOP. DAG size: 44 [2018-12-08 20:36:42,906 WARN L180 SmtUtils]: Spent 276.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 43 [2018-12-08 20:36:44,267 WARN L180 SmtUtils]: Spent 142.00 ms on a formula simplification that was a NOOP. DAG size: 44 [2018-12-08 20:36:44,922 WARN L180 SmtUtils]: Spent 263.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 40 [2018-12-08 20:36:48,678 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:36:48,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3374 states to 2964 states and 3374 transitions. [2018-12-08 20:36:48,680 INFO L276 IsEmpty]: Start isEmpty. Operand 2964 states and 3374 transitions. [2018-12-08 20:36:48,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 328 [2018-12-08 20:36:48,681 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:36:48,696 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:36:48,896 INFO L134 CoverageAnalysis]: Checked inductivity of 701 backedges. 607 proven. 0 refuted. 0 times theorem prover too weak. 94 trivial. 0 not checked. [2018-12-08 20:36:52,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:36:52,403 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3411 states to 3001 states and 3411 transitions. [2018-12-08 20:36:52,403 INFO L276 IsEmpty]: Start isEmpty. Operand 3001 states and 3411 transitions. [2018-12-08 20:36:52,404 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 328 [2018-12-08 20:36:52,404 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:36:52,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:36:52,621 INFO L134 CoverageAnalysis]: Checked inductivity of 701 backedges. 607 proven. 0 refuted. 0 times theorem prover too weak. 94 trivial. 0 not checked. [2018-12-08 20:36:53,137 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:36:53,138 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3411 states to 3002 states and 3411 transitions. [2018-12-08 20:36:53,139 INFO L276 IsEmpty]: Start isEmpty. Operand 3002 states and 3411 transitions. [2018-12-08 20:36:53,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 333 [2018-12-08 20:36:53,140 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:36:53,155 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:36:57,381 INFO L134 CoverageAnalysis]: Checked inductivity of 726 backedges. 611 proven. 0 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2018-12-08 20:37:00,159 WARN L180 SmtUtils]: Spent 205.00 ms on a formula simplification. DAG size of input: 43 DAG size of output: 43 [2018-12-08 20:37:01,968 WARN L180 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 41 [2018-12-08 20:37:03,435 WARN L180 SmtUtils]: Spent 307.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 42 [2018-12-08 20:37:04,421 WARN L180 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 43 [2018-12-08 20:37:06,774 WARN L180 SmtUtils]: Spent 137.00 ms on a formula simplification that was a NOOP. DAG size: 43 [2018-12-08 20:37:08,477 WARN L180 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 43 [2018-12-08 20:37:09,024 WARN L180 SmtUtils]: Spent 252.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 42 [2018-12-08 20:37:10,577 WARN L180 SmtUtils]: Spent 112.00 ms on a formula simplification that was a NOOP. DAG size: 43 [2018-12-08 20:37:11,069 WARN L180 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 41 [2018-12-08 20:37:11,716 WARN L180 SmtUtils]: Spent 128.00 ms on a formula simplification that was a NOOP. DAG size: 42 [2018-12-08 20:37:12,115 WARN L180 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 49 DAG size of output: 27 [2018-12-08 20:37:14,053 WARN L180 SmtUtils]: Spent 299.00 ms on a formula simplification. DAG size of input: 51 DAG size of output: 50 [2018-12-08 20:37:16,670 WARN L180 SmtUtils]: Spent 143.00 ms on a formula simplification that was a NOOP. DAG size: 50 [2018-12-08 20:37:18,726 WARN L180 SmtUtils]: Spent 183.00 ms on a formula simplification. DAG size of input: 50 DAG size of output: 48 [2018-12-08 20:37:20,352 WARN L180 SmtUtils]: Spent 153.00 ms on a formula simplification that was a NOOP. DAG size: 49 [2018-12-08 20:37:21,117 WARN L180 SmtUtils]: Spent 294.00 ms on a formula simplification. DAG size of input: 48 DAG size of output: 46 [2018-12-08 20:37:21,823 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:37:21,824 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3456 states to 3043 states and 3456 transitions. [2018-12-08 20:37:21,824 INFO L276 IsEmpty]: Start isEmpty. Operand 3043 states and 3456 transitions. [2018-12-08 20:37:21,826 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 333 [2018-12-08 20:37:21,826 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:37:21,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:37:22,011 INFO L134 CoverageAnalysis]: Checked inductivity of 726 backedges. 611 proven. 0 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2018-12-08 20:37:24,331 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:37:24,333 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3470 states to 3058 states and 3470 transitions. [2018-12-08 20:37:24,333 INFO L276 IsEmpty]: Start isEmpty. Operand 3058 states and 3470 transitions. [2018-12-08 20:37:24,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 333 [2018-12-08 20:37:24,336 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:37:24,354 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:37:24,542 INFO L134 CoverageAnalysis]: Checked inductivity of 726 backedges. 611 proven. 0 refuted. 0 times theorem prover too weak. 115 trivial. 0 not checked. [2018-12-08 20:37:25,651 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:37:25,653 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3475 states to 3064 states and 3475 transitions. [2018-12-08 20:37:25,653 INFO L276 IsEmpty]: Start isEmpty. Operand 3064 states and 3475 transitions. [2018-12-08 20:37:25,654 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 334 [2018-12-08 20:37:25,654 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:37:25,671 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:37:25,746 INFO L134 CoverageAnalysis]: Checked inductivity of 736 backedges. 380 proven. 5 refuted. 0 times theorem prover too weak. 351 trivial. 0 not checked. [2018-12-08 20:37:30,007 WARN L180 SmtUtils]: Spent 110.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 32 [2018-12-08 20:37:30,289 WARN L180 SmtUtils]: Spent 120.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 27 [2018-12-08 20:37:32,939 WARN L180 SmtUtils]: Spent 160.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 33 [2018-12-08 20:37:33,263 WARN L180 SmtUtils]: Spent 146.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 28 [2018-12-08 20:37:36,127 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:37:36,128 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3557 states to 3139 states and 3557 transitions. [2018-12-08 20:37:36,128 INFO L276 IsEmpty]: Start isEmpty. Operand 3139 states and 3557 transitions. [2018-12-08 20:37:36,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 337 [2018-12-08 20:37:36,130 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:37:36,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:37:36,898 INFO L134 CoverageAnalysis]: Checked inductivity of 674 backedges. 179 proven. 401 refuted. 0 times theorem prover too weak. 94 trivial. 0 not checked. [2018-12-08 20:37:40,657 WARN L180 SmtUtils]: Spent 175.00 ms on a formula simplification. DAG size of input: 40 DAG size of output: 35 [2018-12-08 20:37:45,450 WARN L180 SmtUtils]: Spent 163.00 ms on a formula simplification. DAG size of input: 37 DAG size of output: 32 [2018-12-08 20:37:53,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:37:53,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3674 states to 3241 states and 3674 transitions. [2018-12-08 20:37:53,485 INFO L276 IsEmpty]: Start isEmpty. Operand 3241 states and 3674 transitions. [2018-12-08 20:37:53,487 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 337 [2018-12-08 20:37:53,487 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:37:53,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:37:53,794 INFO L134 CoverageAnalysis]: Checked inductivity of 674 backedges. 179 proven. 401 refuted. 0 times theorem prover too weak. 94 trivial. 0 not checked. [2018-12-08 20:37:54,379 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:37:54,381 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3676 states to 3244 states and 3676 transitions. [2018-12-08 20:37:54,381 INFO L276 IsEmpty]: Start isEmpty. Operand 3244 states and 3676 transitions. [2018-12-08 20:37:54,382 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 337 [2018-12-08 20:37:54,382 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:37:54,422 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:37:54,717 INFO L134 CoverageAnalysis]: Checked inductivity of 674 backedges. 179 proven. 401 refuted. 0 times theorem prover too weak. 94 trivial. 0 not checked. [2018-12-08 20:37:57,161 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:37:57,162 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3702 states to 3271 states and 3702 transitions. [2018-12-08 20:37:57,163 INFO L276 IsEmpty]: Start isEmpty. Operand 3271 states and 3702 transitions. [2018-12-08 20:37:57,164 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 379 [2018-12-08 20:37:57,164 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:37:57,181 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:37:57,797 INFO L134 CoverageAnalysis]: Checked inductivity of 893 backedges. 630 proven. 0 refuted. 0 times theorem prover too weak. 263 trivial. 0 not checked. [2018-12-08 20:38:01,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:38:01,594 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3773 states to 3340 states and 3773 transitions. [2018-12-08 20:38:01,594 INFO L276 IsEmpty]: Start isEmpty. Operand 3340 states and 3773 transitions. [2018-12-08 20:38:01,596 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 405 [2018-12-08 20:38:01,597 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:38:01,620 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:38:01,750 INFO L134 CoverageAnalysis]: Checked inductivity of 1067 backedges. 570 proven. 10 refuted. 0 times theorem prover too weak. 487 trivial. 0 not checked. [2018-12-08 20:38:02,725 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:38:02,727 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3778 states to 3345 states and 3778 transitions. [2018-12-08 20:38:02,727 INFO L276 IsEmpty]: Start isEmpty. Operand 3345 states and 3778 transitions. [2018-12-08 20:38:02,729 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 405 [2018-12-08 20:38:02,729 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:38:02,749 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:38:02,880 INFO L134 CoverageAnalysis]: Checked inductivity of 1067 backedges. 570 proven. 10 refuted. 0 times theorem prover too weak. 487 trivial. 0 not checked. [2018-12-08 20:38:14,965 WARN L180 SmtUtils]: Spent 170.00 ms on a formula simplification. DAG size of input: 35 DAG size of output: 32 [2018-12-08 20:38:18,853 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:38:18,854 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3855 states to 3415 states and 3855 transitions. [2018-12-08 20:38:18,855 INFO L276 IsEmpty]: Start isEmpty. Operand 3415 states and 3855 transitions. [2018-12-08 20:38:18,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 405 [2018-12-08 20:38:18,857 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:38:18,877 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:38:18,989 INFO L134 CoverageAnalysis]: Checked inductivity of 1067 backedges. 570 proven. 10 refuted. 0 times theorem prover too weak. 487 trivial. 0 not checked. [2018-12-08 20:38:21,497 WARN L180 SmtUtils]: Spent 185.00 ms on a formula simplification. DAG size of input: 36 DAG size of output: 33 [2018-12-08 20:38:23,931 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:38:23,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3889 states to 3449 states and 3889 transitions. [2018-12-08 20:38:23,932 INFO L276 IsEmpty]: Start isEmpty. Operand 3449 states and 3889 transitions. [2018-12-08 20:38:23,934 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 405 [2018-12-08 20:38:23,934 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:38:23,954 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:38:24,065 INFO L134 CoverageAnalysis]: Checked inductivity of 1067 backedges. 570 proven. 10 refuted. 0 times theorem prover too weak. 487 trivial. 0 not checked. [2018-12-08 20:38:24,191 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:38:24,192 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3889 states to 3450 states and 3889 transitions. [2018-12-08 20:38:24,193 INFO L276 IsEmpty]: Start isEmpty. Operand 3450 states and 3889 transitions. [2018-12-08 20:38:24,194 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 405 [2018-12-08 20:38:24,194 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:38:24,215 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:38:24,354 INFO L134 CoverageAnalysis]: Checked inductivity of 1067 backedges. 570 proven. 10 refuted. 0 times theorem prover too weak. 487 trivial. 0 not checked. [2018-12-08 20:38:29,221 WARN L180 SmtUtils]: Spent 114.00 ms on a formula simplification that was a NOOP. DAG size: 40 [2018-12-08 20:38:30,183 WARN L180 SmtUtils]: Spent 202.00 ms on a formula simplification. DAG size of input: 42 DAG size of output: 39 [2018-12-08 20:38:31,851 WARN L180 SmtUtils]: Spent 116.00 ms on a formula simplification that was a NOOP. DAG size: 40 [2018-12-08 20:38:33,199 WARN L180 SmtUtils]: Spent 220.00 ms on a formula simplification. DAG size of input: 41 DAG size of output: 38 [2018-12-08 20:38:34,950 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:38:34,951 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3916 states to 3477 states and 3916 transitions. [2018-12-08 20:38:34,951 INFO L276 IsEmpty]: Start isEmpty. Operand 3477 states and 3916 transitions. [2018-12-08 20:38:34,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 406 [2018-12-08 20:38:34,953 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:38:34,973 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:38:35,108 INFO L134 CoverageAnalysis]: Checked inductivity of 1002 backedges. 573 proven. 10 refuted. 0 times theorem prover too weak. 419 trivial. 0 not checked. [2018-12-08 20:38:40,261 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:38:40,262 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3985 states to 3544 states and 3985 transitions. [2018-12-08 20:38:40,262 INFO L276 IsEmpty]: Start isEmpty. Operand 3544 states and 3985 transitions. [2018-12-08 20:38:40,265 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 408 [2018-12-08 20:38:40,265 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:38:40,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:38:40,665 INFO L134 CoverageAnalysis]: Checked inductivity of 1008 backedges. 267 proven. 511 refuted. 0 times theorem prover too weak. 230 trivial. 0 not checked. [2018-12-08 20:38:43,475 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:38:43,476 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4029 states to 3585 states and 4029 transitions. [2018-12-08 20:38:43,477 INFO L276 IsEmpty]: Start isEmpty. Operand 3585 states and 4029 transitions. [2018-12-08 20:38:43,478 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 408 [2018-12-08 20:38:43,478 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:38:43,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:38:43,868 INFO L134 CoverageAnalysis]: Checked inductivity of 1008 backedges. 267 proven. 511 refuted. 0 times theorem prover too weak. 230 trivial. 0 not checked. [2018-12-08 20:38:46,739 WARN L180 SmtUtils]: Spent 136.00 ms on a formula simplification. DAG size of input: 39 DAG size of output: 32 [2018-12-08 20:38:52,526 WARN L180 SmtUtils]: Spent 157.00 ms on a formula simplification. DAG size of input: 38 DAG size of output: 34 [2018-12-08 20:38:54,370 WARN L180 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 47 DAG size of output: 38 [2018-12-08 20:38:55,661 WARN L180 SmtUtils]: Spent 100.00 ms on a formula simplification that was a NOOP. DAG size: 41 [2018-12-08 20:38:59,753 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:38:59,754 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4066 states to 3620 states and 4066 transitions. [2018-12-08 20:38:59,754 INFO L276 IsEmpty]: Start isEmpty. Operand 3620 states and 4066 transitions. [2018-12-08 20:38:59,756 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 408 [2018-12-08 20:38:59,756 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:38:59,776 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:39:00,145 INFO L134 CoverageAnalysis]: Checked inductivity of 1008 backedges. 267 proven. 511 refuted. 0 times theorem prover too weak. 230 trivial. 0 not checked. [2018-12-08 20:39:06,738 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:39:06,739 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4136 states to 3690 states and 4136 transitions. [2018-12-08 20:39:06,739 INFO L276 IsEmpty]: Start isEmpty. Operand 3690 states and 4136 transitions. [2018-12-08 20:39:06,741 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 408 [2018-12-08 20:39:06,741 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:39:06,762 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:39:07,276 INFO L134 CoverageAnalysis]: Checked inductivity of 1008 backedges. 267 proven. 511 refuted. 0 times theorem prover too weak. 230 trivial. 0 not checked. [2018-12-08 20:39:12,813 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:39:12,814 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4163 states to 3717 states and 4163 transitions. [2018-12-08 20:39:12,814 INFO L276 IsEmpty]: Start isEmpty. Operand 3717 states and 4163 transitions. [2018-12-08 20:39:12,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 476 [2018-12-08 20:39:12,817 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:39:12,840 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:39:13,014 INFO L134 CoverageAnalysis]: Checked inductivity of 1469 backedges. 760 proven. 15 refuted. 0 times theorem prover too weak. 694 trivial. 0 not checked. [2018-12-08 20:39:13,479 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:39:13,480 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 4168 states to 3722 states and 4168 transitions. [2018-12-08 20:39:13,480 INFO L276 IsEmpty]: Start isEmpty. Operand 3722 states and 4168 transitions. [2018-12-08 20:39:13,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 479 [2018-12-08 20:39:13,482 INFO L431 CodeCheckObserver]: Error Path is FOUND. [2018-12-08 20:39:13,505 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-12-08 20:39:13,932 INFO L134 CoverageAnalysis]: Checked inductivity of 1413 backedges. 355 proven. 621 refuted. 0 times theorem prover too weak. 437 trivial. 0 not checked. [2018-12-08 20:39:15,050 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-12-08 20:39:15,051 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 3798 states to 3378 states and 3798 transitions. [2018-12-08 20:39:15,051 INFO L276 IsEmpty]: Start isEmpty. Operand 3378 states and 3798 transitions. [2018-12-08 20:39:15,052 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-12-08 20:39:15,052 WARN L428 CodeCheckObserver]: This Program is SAFE, Check terminated with 139 iterations. [2018-12-08 20:39:15,058 INFO L779 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-12-08 20:39:15,282 WARN L180 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 43 [2018-12-08 20:39:15,481 WARN L180 SmtUtils]: Spent 198.00 ms on a formula simplification. DAG size of input: 148 DAG size of output: 43 [2018-12-08 20:39:15,882 WARN L180 SmtUtils]: Spent 400.00 ms on a formula simplification. DAG size of input: 189 DAG size of output: 59 [2018-12-08 20:39:16,078 WARN L180 SmtUtils]: Spent 194.00 ms on a formula simplification. DAG size of input: 145 DAG size of output: 43 [2018-12-08 20:39:16,407 WARN L180 SmtUtils]: Spent 329.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 57 [2018-12-08 20:39:16,771 WARN L180 SmtUtils]: Spent 299.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 57 [2018-12-08 20:39:17,025 WARN L180 SmtUtils]: Spent 254.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 35 [2018-12-08 20:39:17,320 WARN L180 SmtUtils]: Spent 293.00 ms on a formula simplification. DAG size of input: 180 DAG size of output: 45 [2018-12-08 20:39:17,715 WARN L180 SmtUtils]: Spent 395.00 ms on a formula simplification. DAG size of input: 187 DAG size of output: 59 [2018-12-08 20:39:18,117 WARN L180 SmtUtils]: Spent 224.00 ms on a formula simplification. DAG size of input: 141 DAG size of output: 35 [2018-12-08 20:39:18,425 WARN L180 SmtUtils]: Spent 308.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 56 [2018-12-08 20:39:18,667 WARN L180 SmtUtils]: Spent 241.00 ms on a formula simplification. DAG size of input: 165 DAG size of output: 41 [2018-12-08 20:39:18,781 WARN L180 SmtUtils]: Spent 114.00 ms on a formula simplification. DAG size of input: 124 DAG size of output: 35 [2018-12-08 20:39:19,075 WARN L180 SmtUtils]: Spent 260.00 ms on a formula simplification. DAG size of input: 179 DAG size of output: 41 [2018-12-08 20:39:19,423 WARN L180 SmtUtils]: Spent 347.00 ms on a formula simplification. DAG size of input: 185 DAG size of output: 58 [2018-12-08 20:39:19,527 WARN L180 SmtUtils]: Spent 102.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 35 [2018-12-08 20:39:19,872 WARN L180 SmtUtils]: Spent 283.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 56 [2018-12-08 20:39:20,415 WARN L180 SmtUtils]: Spent 380.00 ms on a formula simplification. DAG size of input: 187 DAG size of output: 59 [2018-12-08 20:39:20,614 WARN L180 SmtUtils]: Spent 199.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 43 [2018-12-08 20:39:20,936 WARN L180 SmtUtils]: Spent 321.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 57 [2018-12-08 20:39:21,236 WARN L180 SmtUtils]: Spent 299.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 57 [2018-12-08 20:39:21,368 WARN L180 SmtUtils]: Spent 132.00 ms on a formula simplification. DAG size of input: 127 DAG size of output: 35 [2018-12-08 20:39:21,555 WARN L180 SmtUtils]: Spent 186.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 43 [2018-12-08 20:39:21,688 WARN L180 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 133 DAG size of output: 40 [2018-12-08 20:39:21,853 WARN L180 SmtUtils]: Spent 165.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 40 [2018-12-08 20:39:21,978 WARN L180 SmtUtils]: Spent 124.00 ms on a formula simplification. DAG size of input: 128 DAG size of output: 38 [2018-12-08 20:39:22,172 WARN L180 SmtUtils]: Spent 193.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 43 [2018-12-08 20:39:22,416 WARN L180 SmtUtils]: Spent 155.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 41 [2018-12-08 20:39:22,619 WARN L180 SmtUtils]: Spent 174.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 40 [2018-12-08 20:39:22,864 WARN L180 SmtUtils]: Spent 164.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 40 [2018-12-08 20:39:23,165 WARN L180 SmtUtils]: Spent 300.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 57 [2018-12-08 20:39:23,525 WARN L180 SmtUtils]: Spent 261.00 ms on a formula simplification. DAG size of input: 172 DAG size of output: 41 [2018-12-08 20:39:23,722 WARN L180 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 135 DAG size of output: 40 [2018-12-08 20:39:24,017 WARN L180 SmtUtils]: Spent 294.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 57 [2018-12-08 20:39:24,380 WARN L180 SmtUtils]: Spent 301.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 57 [2018-12-08 20:39:24,685 WARN L180 SmtUtils]: Spent 304.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 57 [2018-12-08 20:39:24,821 WARN L180 SmtUtils]: Spent 135.00 ms on a formula simplification. DAG size of input: 140 DAG size of output: 40 [2018-12-08 20:39:25,181 WARN L180 SmtUtils]: Spent 274.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 56 [2018-12-08 20:39:25,441 WARN L180 SmtUtils]: Spent 258.00 ms on a formula simplification. DAG size of input: 156 DAG size of output: 35 [2018-12-08 20:39:25,721 WARN L180 SmtUtils]: Spent 196.00 ms on a formula simplification. DAG size of input: 143 DAG size of output: 43 [2018-12-08 20:39:25,853 WARN L180 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 134 DAG size of output: 40 [2018-12-08 20:39:26,071 WARN L180 SmtUtils]: Spent 217.00 ms on a formula simplification. DAG size of input: 160 DAG size of output: 44 [2018-12-08 20:39:26,339 WARN L180 SmtUtils]: Spent 200.00 ms on a formula simplification. DAG size of input: 150 DAG size of output: 43 [2018-12-08 20:39:26,694 WARN L180 SmtUtils]: Spent 354.00 ms on a formula simplification. DAG size of input: 183 DAG size of output: 58 [2018-12-08 20:39:27,357 WARN L180 SmtUtils]: Spent 662.00 ms on a formula simplification. DAG size of input: 175 DAG size of output: 79 [2018-12-08 20:39:27,698 WARN L180 SmtUtils]: Spent 212.00 ms on a formula simplification. DAG size of input: 146 DAG size of output: 43 [2018-12-08 20:39:27,889 WARN L180 SmtUtils]: Spent 190.00 ms on a formula simplification. DAG size of input: 142 DAG size of output: 43 [2018-12-08 20:39:28,260 WARN L180 SmtUtils]: Spent 371.00 ms on a formula simplification. DAG size of input: 187 DAG size of output: 59 [2018-12-08 20:39:28,365 WARN L180 SmtUtils]: Spent 104.00 ms on a formula simplification. DAG size of input: 116 DAG size of output: 35 [2018-12-08 20:39:28,725 WARN L180 SmtUtils]: Spent 359.00 ms on a formula simplification. DAG size of input: 162 DAG size of output: 57 [2018-12-08 20:39:29,070 WARN L180 SmtUtils]: Spent 344.00 ms on a formula simplification. DAG size of input: 163 DAG size of output: 57 [2018-12-08 20:39:29,369 WARN L180 SmtUtils]: Spent 299.00 ms on a formula simplification. DAG size of input: 161 DAG size of output: 57 [2018-12-08 20:39:29,600 WARN L180 SmtUtils]: Spent 230.00 ms on a formula simplification. DAG size of input: 164 DAG size of output: 40 [2018-12-08 20:39:29,600 INFO L583 CodeCheckObserver]: Invariant with dag size 1 [2018-12-08 20:39:29,602 INFO L583 CodeCheckObserver]: Invariant with dag size 35 [2018-12-08 20:39:29,608 INFO L583 CodeCheckObserver]: Invariant with dag size 35 [2018-12-08 20:39:29,608 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 08.12 08:39:29 ImpRootNode [2018-12-08 20:39:29,608 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-12-08 20:39:29,609 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-12-08 20:39:29,609 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-12-08 20:39:29,609 INFO L276 PluginConnector]: Witness Printer initialized [2018-12-08 20:39:29,609 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 08.12 08:30:40" (3/4) ... [2018-12-08 20:39:29,612 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-12-08 20:39:29,621 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 100 nodes and edges [2018-12-08 20:39:29,622 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 17 nodes and edges [2018-12-08 20:39:29,622 INFO L905 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2018-12-08 20:39:29,678 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_c33508a6-dc4f-40f1-b646-fe71b89cf4f0/bin-2019/ukojak/witness.graphml [2018-12-08 20:39:29,679 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-12-08 20:39:29,679 INFO L168 Benchmark]: Toolchain (without parser) took 530361.62 ms. Allocated memory was 1.0 GB in the beginning and 1.8 GB in the end (delta: 757.6 MB). Free memory was 949.6 MB in the beginning and 366.4 MB in the end (delta: 583.1 MB). Peak memory consumption was 1.3 GB. Max. memory is 11.5 GB. [2018-12-08 20:39:29,679 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 982.3 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-12-08 20:39:29,680 INFO L168 Benchmark]: CACSL2BoogieTranslator took 317.09 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 130.0 MB). Free memory was 949.6 MB in the beginning and 1.1 GB in the end (delta: -171.4 MB). Peak memory consumption was 52.8 MB. Max. memory is 11.5 GB. [2018-12-08 20:39:29,680 INFO L168 Benchmark]: Boogie Procedure Inliner took 39.09 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 11.5 GB. [2018-12-08 20:39:29,680 INFO L168 Benchmark]: Boogie Preprocessor took 30.12 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 11.5 GB. [2018-12-08 20:39:29,680 INFO L168 Benchmark]: RCFGBuilder took 917.16 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 900.5 MB in the end (delta: 209.9 MB). Peak memory consumption was 209.9 MB. Max. memory is 11.5 GB. [2018-12-08 20:39:29,680 INFO L168 Benchmark]: CodeCheck took 528985.34 ms. Allocated memory was 1.2 GB in the beginning and 1.8 GB in the end (delta: 627.6 MB). Free memory was 900.5 MB in the beginning and 384.9 MB in the end (delta: 515.7 MB). Peak memory consumption was 1.2 GB. Max. memory is 11.5 GB. [2018-12-08 20:39:29,680 INFO L168 Benchmark]: Witness Printer took 69.92 ms. Allocated memory is still 1.8 GB. Free memory was 384.9 MB in the beginning and 366.4 MB in the end (delta: 18.5 MB). Peak memory consumption was 18.5 MB. Max. memory is 11.5 GB. [2018-12-08 20:39:29,681 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, 198 locations, 1 error locations. SAFE Result, 514.4s OverallTime, 139 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: -2060684356 SDtfs, -1523421776 SDslu, -1698010600 SDs, 0 SdLazy, -1420954076 SolverSat, -1701805992 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 820.5s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 210424 GetRequests, 201152 SyntacticMatches, 7246 SemanticMatches, 2026 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3568492 ImplicationChecksByTransitivity, 473.3s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.7s SsaConstructionTime, 1.0s SatisfiabilityAnalysisTime, 57.4s InterpolantComputationTime, 32017 NumberOfCodeBlocks, 32017 NumberOfCodeBlocksAsserted, 138 NumberOfCheckSat, 31879 ConstructedInterpolants, 0 QuantifiedInterpolants, 57693579 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 138 InterpolantComputations, 91 PerfectInterpolantSequences, 46840/51335 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: 458]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 577]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 30]: Loop Invariant Derived loop invariant: ((((((!(a16 == 4) || (((a12 == 8 && a17 <= 0) && a21 == 1) && a7 <= 0)) || (((a7 == 1 && a17 == 1) && a12 == 8) && a20 == 1)) || !(a8 == 13)) || ((((a17 == 1 && a12 == 8) && a21 == 1) && a20 == 1) && a7 <= 0)) || ((((!(a7 == 1) && !(a20 == 1)) && a12 == 8) && a21 == 1) && !(a17 == 1))) || ((((!(a21 == 1) && a7 == 1) && a17 == 1) && a12 == 8) && a20 <= 0)) || ((((!(a21 == 1) && a7 == 1) && a12 == 8) && a17 <= 0) && a20 == 1) - InvariantResult [Line: 583]: Loop Invariant Derived loop invariant: ((((((!(a16 == 4) || (((a12 == 8 && a17 <= 0) && a21 == 1) && a7 <= 0)) || (((a7 == 1 && a17 == 1) && a12 == 8) && a20 == 1)) || !(a8 == 13)) || ((((a17 == 1 && a12 == 8) && a21 == 1) && a20 == 1) && a7 <= 0)) || ((((!(a7 == 1) && !(a20 == 1)) && a12 == 8) && a21 == 1) && !(a17 == 1))) || ((((!(a21 == 1) && a7 == 1) && a17 == 1) && a12 == 8) && a20 <= 0)) || ((((!(a21 == 1) && a7 == 1) && a12 == 8) && a17 <= 0) && a20 == 1) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 982.3 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 317.09 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 130.0 MB). Free memory was 949.6 MB in the beginning and 1.1 GB in the end (delta: -171.4 MB). Peak memory consumption was 52.8 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 39.09 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 3.5 MB). Peak memory consumption was 3.5 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 30.12 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 7.0 MB). Peak memory consumption was 7.0 MB. Max. memory is 11.5 GB. * RCFGBuilder took 917.16 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 900.5 MB in the end (delta: 209.9 MB). Peak memory consumption was 209.9 MB. Max. memory is 11.5 GB. * CodeCheck took 528985.34 ms. Allocated memory was 1.2 GB in the beginning and 1.8 GB in the end (delta: 627.6 MB). Free memory was 900.5 MB in the beginning and 384.9 MB in the end (delta: 515.7 MB). Peak memory consumption was 1.2 GB. Max. memory is 11.5 GB. * Witness Printer took 69.92 ms. Allocated memory is still 1.8 GB. Free memory was 384.9 MB in the beginning and 366.4 MB in the end (delta: 18.5 MB). Peak memory consumption was 18.5 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...