./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem02_label25_true-unreach-call_false-termination.c --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version 5842f4b8 Calling Ultimate with: java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_ac2084c2-0115-4d4d-91e2-451c4467ef7a/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_ac2084c2-0115-4d4d-91e2-451c4467ef7a/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_ac2084c2-0115-4d4d-91e2-451c4467ef7a/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_ac2084c2-0115-4d4d-91e2-451c4467ef7a/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem02_label25_true-unreach-call_false-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_ac2084c2-0115-4d4d-91e2-451c4467ef7a/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_ac2084c2-0115-4d4d-91e2-451c4467ef7a/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 ef22932a563d89d9fa5a5b8bcd7f4a5eeb34d0f3 ........................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.23-5842f4b [2018-11-18 13:17:39,628 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 13:17:39,629 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 13:17:39,637 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 13:17:39,638 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 13:17:39,638 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 13:17:39,639 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 13:17:39,640 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 13:17:39,642 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 13:17:39,642 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 13:17:39,643 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 13:17:39,643 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 13:17:39,644 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 13:17:39,645 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 13:17:39,645 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 13:17:39,646 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 13:17:39,647 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 13:17:39,648 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 13:17:39,649 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 13:17:39,651 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 13:17:39,651 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 13:17:39,652 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 13:17:39,654 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 13:17:39,654 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 13:17:39,654 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 13:17:39,655 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 13:17:39,656 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 13:17:39,656 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 13:17:39,657 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 13:17:39,658 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 13:17:39,658 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 13:17:39,658 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 13:17:39,658 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 13:17:39,659 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 13:17:39,659 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 13:17:39,660 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 13:17:39,660 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_ac2084c2-0115-4d4d-91e2-451c4467ef7a/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-11-18 13:17:39,670 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 13:17:39,670 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 13:17:39,671 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 13:17:39,671 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-18 13:17:39,671 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 13:17:39,671 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 13:17:39,672 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 13:17:39,672 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 13:17:39,672 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 13:17:39,672 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 13:17:39,672 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 13:17:39,672 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 13:17:39,672 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 13:17:39,673 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 13:17:39,673 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 13:17:39,673 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 13:17:39,673 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 13:17:39,673 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 13:17:39,673 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-18 13:17:39,673 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-18 13:17:39,673 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 13:17:39,674 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 13:17:39,674 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-18 13:17:39,674 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 13:17:39,674 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 13:17:39,674 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 13:17:39,674 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-18 13:17:39,674 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 13:17:39,675 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 13:17:39,675 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_ac2084c2-0115-4d4d-91e2-451c4467ef7a/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 -> ef22932a563d89d9fa5a5b8bcd7f4a5eeb34d0f3 [2018-11-18 13:17:39,697 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 13:17:39,705 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 13:17:39,707 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 13:17:39,708 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 13:17:39,708 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 13:17:39,708 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_ac2084c2-0115-4d4d-91e2-451c4467ef7a/bin-2019/ukojak/../../sv-benchmarks/c/eca-rers2012/Problem02_label25_true-unreach-call_false-termination.c [2018-11-18 13:17:39,744 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_ac2084c2-0115-4d4d-91e2-451c4467ef7a/bin-2019/ukojak/data/ffeed90c8/787a8f4d8bfd474d9c9beb656aebf6f8/FLAG459245096 [2018-11-18 13:17:40,192 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 13:17:40,193 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_ac2084c2-0115-4d4d-91e2-451c4467ef7a/sv-benchmarks/c/eca-rers2012/Problem02_label25_true-unreach-call_false-termination.c [2018-11-18 13:17:40,202 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_ac2084c2-0115-4d4d-91e2-451c4467ef7a/bin-2019/ukojak/data/ffeed90c8/787a8f4d8bfd474d9c9beb656aebf6f8/FLAG459245096 [2018-11-18 13:17:40,214 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_ac2084c2-0115-4d4d-91e2-451c4467ef7a/bin-2019/ukojak/data/ffeed90c8/787a8f4d8bfd474d9c9beb656aebf6f8 [2018-11-18 13:17:40,217 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 13:17:40,218 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 13:17:40,219 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 13:17:40,219 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 13:17:40,222 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 13:17:40,223 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 01:17:40" (1/1) ... [2018-11-18 13:17:40,225 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@65ec56fe and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:17:40, skipping insertion in model container [2018-11-18 13:17:40,225 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 01:17:40" (1/1) ... [2018-11-18 13:17:40,233 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 13:17:40,267 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 13:17:40,508 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 13:17:40,513 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 13:17:40,581 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 13:17:40,594 INFO L195 MainTranslator]: Completed translation [2018-11-18 13:17:40,594 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:17:40 WrapperNode [2018-11-18 13:17:40,594 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 13:17:40,595 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 13:17:40,595 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 13:17:40,595 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 13:17:40,647 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:17:40" (1/1) ... [2018-11-18 13:17:40,659 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:17:40" (1/1) ... [2018-11-18 13:17:40,694 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 13:17:40,694 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 13:17:40,694 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 13:17:40,694 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 13:17:40,702 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:17:40" (1/1) ... [2018-11-18 13:17:40,702 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:17:40" (1/1) ... [2018-11-18 13:17:40,705 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:17:40" (1/1) ... [2018-11-18 13:17:40,705 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:17:40" (1/1) ... [2018-11-18 13:17:40,718 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:17:40" (1/1) ... [2018-11-18 13:17:40,727 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:17:40" (1/1) ... [2018-11-18 13:17:40,730 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:17:40" (1/1) ... [2018-11-18 13:17:40,735 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 13:17:40,736 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 13:17:40,736 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 13:17:40,736 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 13:17:40,736 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 01:17:40" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_ac2084c2-0115-4d4d-91e2-451c4467ef7a/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 [2018-11-18 13:17:40,787 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-18 13:17:40,787 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 13:17:40,788 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 13:17:42,431 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 13:17:42,431 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 01:17:42 BoogieIcfgContainer [2018-11-18 13:17:42,431 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 13:17:42,432 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-18 13:17:42,432 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-18 13:17:42,439 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-18 13:17:42,439 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 01:17:42" (1/1) ... [2018-11-18 13:17:42,447 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 13:17:42,467 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:17:42,473 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 164 states to 86 states and 164 transitions. [2018-11-18 13:17:42,473 INFO L276 IsEmpty]: Start isEmpty. Operand 86 states and 164 transitions. [2018-11-18 13:17:42,477 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 82 [2018-11-18 13:17:42,477 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:17:42,591 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:17:42,713 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 13:17:43,169 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:17:43,170 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 243 states to 165 states and 243 transitions. [2018-11-18 13:17:43,170 INFO L276 IsEmpty]: Start isEmpty. Operand 165 states and 243 transitions. [2018-11-18 13:17:43,172 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2018-11-18 13:17:43,173 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:17:43,200 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:17:43,253 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-18 13:17:43,354 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:17:43,355 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 244 states to 166 states and 244 transitions. [2018-11-18 13:17:43,355 INFO L276 IsEmpty]: Start isEmpty. Operand 166 states and 244 transitions. [2018-11-18 13:17:43,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2018-11-18 13:17:43,357 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:17:43,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:17:43,404 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 18 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 13:17:43,535 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:17:43,536 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 271 states to 184 states and 271 transitions. [2018-11-18 13:17:43,536 INFO L276 IsEmpty]: Start isEmpty. Operand 184 states and 271 transitions. [2018-11-18 13:17:43,537 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2018-11-18 13:17:43,538 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:17:43,545 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:17:43,568 INFO L134 CoverageAnalysis]: Checked inductivity of 22 backedges. 22 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 13:17:43,770 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:17:43,771 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 297 states to 206 states and 297 transitions. [2018-11-18 13:17:43,771 INFO L276 IsEmpty]: Start isEmpty. Operand 206 states and 297 transitions. [2018-11-18 13:17:43,776 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2018-11-18 13:17:43,778 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:17:43,787 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:17:43,857 INFO L134 CoverageAnalysis]: Checked inductivity of 27 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 13:17:44,209 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:17:44,210 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 325 states to 225 states and 325 transitions. [2018-11-18 13:17:44,210 INFO L276 IsEmpty]: Start isEmpty. Operand 225 states and 325 transitions. [2018-11-18 13:17:44,211 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2018-11-18 13:17:44,212 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:17:44,239 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:17:44,260 INFO L134 CoverageAnalysis]: Checked inductivity of 29 backedges. 29 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 13:17:44,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:17:44,431 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 331 states to 230 states and 331 transitions. [2018-11-18 13:17:44,431 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 331 transitions. [2018-11-18 13:17:44,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 109 [2018-11-18 13:17:44,432 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:17:44,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:17:44,477 INFO L134 CoverageAnalysis]: Checked inductivity of 26 backedges. 26 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 13:17:44,504 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:17:44,504 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 335 states to 234 states and 335 transitions. [2018-11-18 13:17:44,505 INFO L276 IsEmpty]: Start isEmpty. Operand 234 states and 335 transitions. [2018-11-18 13:17:44,505 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2018-11-18 13:17:44,505 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:17:44,513 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:17:44,530 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-18 13:17:44,618 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:17:44,618 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 337 states to 235 states and 337 transitions. [2018-11-18 13:17:44,618 INFO L276 IsEmpty]: Start isEmpty. Operand 235 states and 337 transitions. [2018-11-18 13:17:44,619 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2018-11-18 13:17:44,619 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:17:44,627 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:17:44,639 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-18 13:17:44,890 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:17:44,891 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 356 states to 253 states and 356 transitions. [2018-11-18 13:17:44,891 INFO L276 IsEmpty]: Start isEmpty. Operand 253 states and 356 transitions. [2018-11-18 13:17:44,892 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2018-11-18 13:17:44,892 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:17:44,898 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:17:44,914 INFO L134 CoverageAnalysis]: Checked inductivity of 33 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-11-18 13:17:45,100 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:17:45,100 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 362 states to 258 states and 362 transitions. [2018-11-18 13:17:45,101 INFO L276 IsEmpty]: Start isEmpty. Operand 258 states and 362 transitions. [2018-11-18 13:17:45,101 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2018-11-18 13:17:45,102 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:17:45,120 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:17:45,216 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-18 13:17:45,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:17:45,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 447 states to 338 states and 447 transitions. [2018-11-18 13:17:45,629 INFO L276 IsEmpty]: Start isEmpty. Operand 338 states and 447 transitions. [2018-11-18 13:17:45,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 114 [2018-11-18 13:17:45,630 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:17:45,637 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:17:45,686 INFO L134 CoverageAnalysis]: Checked inductivity of 31 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 13:17:46,165 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:17:46,166 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 486 states to 369 states and 486 transitions. [2018-11-18 13:17:46,166 INFO L276 IsEmpty]: Start isEmpty. Operand 369 states and 486 transitions. [2018-11-18 13:17:46,167 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2018-11-18 13:17:46,167 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:17:46,175 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:17:46,193 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-18 13:17:46,358 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:17:46,359 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 507 states to 386 states and 507 transitions. [2018-11-18 13:17:46,359 INFO L276 IsEmpty]: Start isEmpty. Operand 386 states and 507 transitions. [2018-11-18 13:17:46,359 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 115 [2018-11-18 13:17:46,359 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:17:46,368 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:17:46,385 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-18 13:17:46,493 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:17:46,494 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 508 states to 388 states and 508 transitions. [2018-11-18 13:17:46,494 INFO L276 IsEmpty]: Start isEmpty. Operand 388 states and 508 transitions. [2018-11-18 13:17:46,494 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2018-11-18 13:17:46,495 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:17:46,502 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:17:46,568 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 13:17:47,334 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:17:47,335 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 544 states to 419 states and 544 transitions. [2018-11-18 13:17:47,335 INFO L276 IsEmpty]: Start isEmpty. Operand 419 states and 544 transitions. [2018-11-18 13:17:47,336 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 120 [2018-11-18 13:17:47,336 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:17:47,346 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:17:47,411 INFO L134 CoverageAnalysis]: Checked inductivity of 42 backedges. 42 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 13:17:47,512 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:17:47,513 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 548 states to 423 states and 548 transitions. [2018-11-18 13:17:47,513 INFO L276 IsEmpty]: Start isEmpty. Operand 423 states and 548 transitions. [2018-11-18 13:17:47,514 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2018-11-18 13:17:47,514 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:17:47,521 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:17:47,537 INFO L134 CoverageAnalysis]: Checked inductivity of 50 backedges. 50 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 13:17:47,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:17:47,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 562 states to 436 states and 562 transitions. [2018-11-18 13:17:47,638 INFO L276 IsEmpty]: Start isEmpty. Operand 436 states and 562 transitions. [2018-11-18 13:17:47,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2018-11-18 13:17:47,639 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:17:47,646 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:17:47,662 INFO L134 CoverageAnalysis]: Checked inductivity of 45 backedges. 45 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 13:17:47,894 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:17:47,895 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 584 states to 455 states and 584 transitions. [2018-11-18 13:17:47,895 INFO L276 IsEmpty]: Start isEmpty. Operand 455 states and 584 transitions. [2018-11-18 13:17:47,896 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2018-11-18 13:17:47,896 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:17:47,905 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:17:47,927 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 51 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-11-18 13:17:48,008 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:17:48,009 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 587 states to 459 states and 587 transitions. [2018-11-18 13:17:48,010 INFO L276 IsEmpty]: Start isEmpty. Operand 459 states and 587 transitions. [2018-11-18 13:17:48,010 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2018-11-18 13:17:48,011 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:17:48,019 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:17:48,041 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 55 proven. 0 refuted. 0 times theorem prover too weak. 9 trivial. 0 not checked. [2018-11-18 13:17:48,066 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:17:48,067 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 591 states to 464 states and 591 transitions. [2018-11-18 13:17:48,067 INFO L276 IsEmpty]: Start isEmpty. Operand 464 states and 591 transitions. [2018-11-18 13:17:48,068 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2018-11-18 13:17:48,068 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:17:48,075 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:17:48,175 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 54 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-11-18 13:17:48,414 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:17:48,415 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 594 states to 466 states and 594 transitions. [2018-11-18 13:17:48,415 INFO L276 IsEmpty]: Start isEmpty. Operand 466 states and 594 transitions. [2018-11-18 13:17:48,416 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 144 [2018-11-18 13:17:48,416 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:17:48,428 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:17:48,563 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 71 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-11-18 13:17:48,957 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:17:48,958 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 609 states to 480 states and 609 transitions. [2018-11-18 13:17:48,958 INFO L276 IsEmpty]: Start isEmpty. Operand 480 states and 609 transitions. [2018-11-18 13:17:48,960 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2018-11-18 13:17:48,960 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:17:48,978 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:17:49,025 INFO L134 CoverageAnalysis]: Checked inductivity of 92 backedges. 92 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 13:17:49,221 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:17:49,222 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 615 states to 485 states and 615 transitions. [2018-11-18 13:17:49,222 INFO L276 IsEmpty]: Start isEmpty. Operand 485 states and 615 transitions. [2018-11-18 13:17:49,223 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 147 [2018-11-18 13:17:49,223 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:17:49,235 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:17:49,262 INFO L134 CoverageAnalysis]: Checked inductivity of 64 backedges. 64 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 13:17:49,355 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:17:49,356 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 634 states to 504 states and 634 transitions. [2018-11-18 13:17:49,356 INFO L276 IsEmpty]: Start isEmpty. Operand 504 states and 634 transitions. [2018-11-18 13:17:49,357 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2018-11-18 13:17:49,357 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:17:49,366 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:17:49,703 INFO L134 CoverageAnalysis]: Checked inductivity of 106 backedges. 80 proven. 3 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-11-18 13:17:50,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:17:50,853 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 687 states to 546 states and 687 transitions. [2018-11-18 13:17:50,853 INFO L276 IsEmpty]: Start isEmpty. Operand 546 states and 687 transitions. [2018-11-18 13:17:50,854 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 149 [2018-11-18 13:17:50,854 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:17:50,867 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:17:50,913 INFO L134 CoverageAnalysis]: Checked inductivity of 66 backedges. 66 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 13:17:50,951 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:17:50,952 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 689 states to 548 states and 689 transitions. [2018-11-18 13:17:50,952 INFO L276 IsEmpty]: Start isEmpty. Operand 548 states and 689 transitions. [2018-11-18 13:17:50,953 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 150 [2018-11-18 13:17:50,953 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:17:50,962 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:17:50,987 INFO L134 CoverageAnalysis]: Checked inductivity of 98 backedges. 66 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2018-11-18 13:17:51,342 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:17:51,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 694 states to 553 states and 694 transitions. [2018-11-18 13:17:51,342 INFO L276 IsEmpty]: Start isEmpty. Operand 553 states and 694 transitions. [2018-11-18 13:17:51,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2018-11-18 13:17:51,343 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:17:51,352 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:17:51,376 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 67 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2018-11-18 13:17:51,394 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:17:51,394 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 695 states to 554 states and 695 transitions. [2018-11-18 13:17:51,395 INFO L276 IsEmpty]: Start isEmpty. Operand 554 states and 695 transitions. [2018-11-18 13:17:51,395 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2018-11-18 13:17:51,395 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:17:51,404 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:17:51,482 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 83 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2018-11-18 13:17:51,889 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:17:51,889 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 717 states to 573 states and 717 transitions. [2018-11-18 13:17:51,889 INFO L276 IsEmpty]: Start isEmpty. Operand 573 states and 717 transitions. [2018-11-18 13:17:51,890 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 157 [2018-11-18 13:17:51,890 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:17:51,897 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:17:51,933 INFO L134 CoverageAnalysis]: Checked inductivity of 116 backedges. 84 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2018-11-18 13:17:51,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:17:51,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 718 states to 574 states and 718 transitions. [2018-11-18 13:17:51,955 INFO L276 IsEmpty]: Start isEmpty. Operand 574 states and 718 transitions. [2018-11-18 13:17:51,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 160 [2018-11-18 13:17:51,956 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:17:51,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:17:51,981 INFO L134 CoverageAnalysis]: Checked inductivity of 127 backedges. 95 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2018-11-18 13:17:52,091 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:17:52,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 735 states to 591 states and 735 transitions. [2018-11-18 13:17:52,092 INFO L276 IsEmpty]: Start isEmpty. Operand 591 states and 735 transitions. [2018-11-18 13:17:52,092 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 161 [2018-11-18 13:17:52,092 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:17:52,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:17:52,124 INFO L134 CoverageAnalysis]: Checked inductivity of 128 backedges. 96 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2018-11-18 13:17:52,298 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:17:52,299 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 745 states to 601 states and 745 transitions. [2018-11-18 13:17:52,299 INFO L276 IsEmpty]: Start isEmpty. Operand 601 states and 745 transitions. [2018-11-18 13:17:52,299 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2018-11-18 13:17:52,299 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:17:52,307 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:17:52,347 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 110 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 13:17:52,672 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:17:52,672 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 761 states to 617 states and 761 transitions. [2018-11-18 13:17:52,672 INFO L276 IsEmpty]: Start isEmpty. Operand 617 states and 761 transitions. [2018-11-18 13:17:52,673 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2018-11-18 13:17:52,673 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:17:52,688 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:17:52,757 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 0 proven. 1 refuted. 0 times theorem prover too weak. 78 trivial. 0 not checked. [2018-11-18 13:17:52,820 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:17:52,820 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 762 states to 619 states and 762 transitions. [2018-11-18 13:17:52,820 INFO L276 IsEmpty]: Start isEmpty. Operand 619 states and 762 transitions. [2018-11-18 13:17:52,821 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 169 [2018-11-18 13:17:52,821 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:17:52,830 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:17:52,943 INFO L134 CoverageAnalysis]: Checked inductivity of 161 backedges. 138 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-11-18 13:17:53,117 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:17:53,117 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 764 states to 621 states and 764 transitions. [2018-11-18 13:17:53,118 INFO L276 IsEmpty]: Start isEmpty. Operand 621 states and 764 transitions. [2018-11-18 13:17:53,118 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2018-11-18 13:17:53,118 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:17:53,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:17:53,210 INFO L134 CoverageAnalysis]: Checked inductivity of 170 backedges. 91 proven. 0 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2018-11-18 13:17:53,361 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:17:53,361 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 766 states to 622 states and 766 transitions. [2018-11-18 13:17:53,361 INFO L276 IsEmpty]: Start isEmpty. Operand 622 states and 766 transitions. [2018-11-18 13:17:53,362 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 176 [2018-11-18 13:17:53,362 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:17:53,369 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:17:53,386 INFO L134 CoverageAnalysis]: Checked inductivity of 115 backedges. 92 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-11-18 13:17:53,408 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:17:53,408 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 770 states to 626 states and 770 transitions. [2018-11-18 13:17:53,408 INFO L276 IsEmpty]: Start isEmpty. Operand 626 states and 770 transitions. [2018-11-18 13:17:53,409 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 178 [2018-11-18 13:17:53,409 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:17:53,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:17:53,444 INFO L134 CoverageAnalysis]: Checked inductivity of 126 backedges. 94 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2018-11-18 13:17:53,600 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:17:53,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 798 states to 653 states and 798 transitions. [2018-11-18 13:17:53,601 INFO L276 IsEmpty]: Start isEmpty. Operand 653 states and 798 transitions. [2018-11-18 13:17:53,601 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2018-11-18 13:17:53,601 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:17:53,607 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:17:53,687 INFO L134 CoverageAnalysis]: Checked inductivity of 190 backedges. 111 proven. 0 refuted. 0 times theorem prover too weak. 79 trivial. 0 not checked. [2018-11-18 13:17:53,731 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:17:53,731 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 800 states to 655 states and 800 transitions. [2018-11-18 13:17:53,731 INFO L276 IsEmpty]: Start isEmpty. Operand 655 states and 800 transitions. [2018-11-18 13:17:53,732 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2018-11-18 13:17:53,732 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:17:53,743 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:17:53,788 INFO L134 CoverageAnalysis]: Checked inductivity of 118 backedges. 95 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-11-18 13:17:53,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:17:53,965 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 815 states to 667 states and 815 transitions. [2018-11-18 13:17:53,965 INFO L276 IsEmpty]: Start isEmpty. Operand 667 states and 815 transitions. [2018-11-18 13:17:53,966 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 180 [2018-11-18 13:17:53,966 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:17:53,974 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:17:53,997 INFO L134 CoverageAnalysis]: Checked inductivity of 119 backedges. 96 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-11-18 13:17:54,096 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:17:54,097 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 820 states to 671 states and 820 transitions. [2018-11-18 13:17:54,097 INFO L276 IsEmpty]: Start isEmpty. Operand 671 states and 820 transitions. [2018-11-18 13:17:54,098 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 182 [2018-11-18 13:17:54,098 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:17:54,110 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:17:54,363 INFO L134 CoverageAnalysis]: Checked inductivity of 193 backedges. 159 proven. 11 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-11-18 13:17:55,468 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:17:55,469 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 850 states to 695 states and 850 transitions. [2018-11-18 13:17:55,469 INFO L276 IsEmpty]: Start isEmpty. Operand 695 states and 850 transitions. [2018-11-18 13:17:55,469 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 184 [2018-11-18 13:17:55,469 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:17:55,480 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:17:55,517 INFO L134 CoverageAnalysis]: Checked inductivity of 143 backedges. 111 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2018-11-18 13:17:55,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:17:55,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 879 states to 725 states and 879 transitions. [2018-11-18 13:17:55,835 INFO L276 IsEmpty]: Start isEmpty. Operand 725 states and 879 transitions. [2018-11-18 13:17:55,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2018-11-18 13:17:55,836 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:17:55,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:17:55,891 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 112 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-11-18 13:17:56,195 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:17:56,196 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 904 states to 749 states and 904 transitions. [2018-11-18 13:17:56,196 INFO L276 IsEmpty]: Start isEmpty. Operand 749 states and 904 transitions. [2018-11-18 13:17:56,196 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 185 [2018-11-18 13:17:56,196 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:17:56,203 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:17:56,243 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 112 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-11-18 13:17:56,345 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:17:56,346 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 904 states to 750 states and 904 transitions. [2018-11-18 13:17:56,346 INFO L276 IsEmpty]: Start isEmpty. Operand 750 states and 904 transitions. [2018-11-18 13:17:56,346 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 186 [2018-11-18 13:17:56,346 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:17:56,355 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:17:56,377 INFO L134 CoverageAnalysis]: Checked inductivity of 124 backedges. 102 proven. 0 refuted. 0 times theorem prover too weak. 22 trivial. 0 not checked. [2018-11-18 13:17:56,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:17:56,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 909 states to 756 states and 909 transitions. [2018-11-18 13:17:56,409 INFO L276 IsEmpty]: Start isEmpty. Operand 756 states and 909 transitions. [2018-11-18 13:17:56,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 188 [2018-11-18 13:17:56,410 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:17:56,417 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:17:56,435 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 123 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2018-11-18 13:17:56,545 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:17:56,546 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 941 states to 788 states and 941 transitions. [2018-11-18 13:17:56,546 INFO L276 IsEmpty]: Start isEmpty. Operand 788 states and 941 transitions. [2018-11-18 13:17:56,547 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2018-11-18 13:17:56,547 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:17:56,558 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:17:56,602 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 56 proven. 5 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2018-11-18 13:17:56,732 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:17:56,733 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 948 states to 794 states and 948 transitions. [2018-11-18 13:17:56,733 INFO L276 IsEmpty]: Start isEmpty. Operand 794 states and 948 transitions. [2018-11-18 13:17:56,734 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2018-11-18 13:17:56,734 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:17:56,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:17:56,794 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 56 proven. 5 refuted. 0 times theorem prover too weak. 84 trivial. 0 not checked. [2018-11-18 13:17:56,954 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:17:56,955 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 948 states to 795 states and 948 transitions. [2018-11-18 13:17:56,955 INFO L276 IsEmpty]: Start isEmpty. Operand 795 states and 948 transitions. [2018-11-18 13:17:56,956 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 192 [2018-11-18 13:17:56,956 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:17:56,963 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:17:57,110 INFO L134 CoverageAnalysis]: Checked inductivity of 186 backedges. 186 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 13:17:57,814 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:17:57,815 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 988 states to 832 states and 988 transitions. [2018-11-18 13:17:57,815 INFO L276 IsEmpty]: Start isEmpty. Operand 832 states and 988 transitions. [2018-11-18 13:17:57,816 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2018-11-18 13:17:57,816 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:17:57,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:17:57,887 INFO L134 CoverageAnalysis]: Checked inductivity of 142 backedges. 111 proven. 1 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-11-18 13:17:58,057 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:17:58,058 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1009 states to 852 states and 1009 transitions. [2018-11-18 13:17:58,058 INFO L276 IsEmpty]: Start isEmpty. Operand 852 states and 1009 transitions. [2018-11-18 13:17:58,059 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 195 [2018-11-18 13:17:58,059 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:17:58,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:17:58,114 INFO L134 CoverageAnalysis]: Checked inductivity of 142 backedges. 111 proven. 1 refuted. 0 times theorem prover too weak. 30 trivial. 0 not checked. [2018-11-18 13:17:58,274 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:17:58,275 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1013 states to 856 states and 1013 transitions. [2018-11-18 13:17:58,275 INFO L276 IsEmpty]: Start isEmpty. Operand 856 states and 1013 transitions. [2018-11-18 13:17:58,276 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2018-11-18 13:17:58,276 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:17:58,286 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:17:58,332 INFO L134 CoverageAnalysis]: Checked inductivity of 159 backedges. 127 proven. 17 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-11-18 13:17:58,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:17:58,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1050 states to 890 states and 1050 transitions. [2018-11-18 13:17:58,844 INFO L276 IsEmpty]: Start isEmpty. Operand 890 states and 1050 transitions. [2018-11-18 13:17:58,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2018-11-18 13:17:58,845 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:17:58,854 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:17:58,921 INFO L134 CoverageAnalysis]: Checked inductivity of 159 backedges. 127 proven. 17 refuted. 0 times theorem prover too weak. 15 trivial. 0 not checked. [2018-11-18 13:17:59,118 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:17:59,119 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1054 states to 894 states and 1054 transitions. [2018-11-18 13:17:59,119 INFO L276 IsEmpty]: Start isEmpty. Operand 894 states and 1054 transitions. [2018-11-18 13:17:59,120 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 201 [2018-11-18 13:17:59,120 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:17:59,127 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:17:59,157 INFO L134 CoverageAnalysis]: Checked inductivity of 213 backedges. 181 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2018-11-18 13:17:59,255 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:17:59,255 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1060 states to 898 states and 1060 transitions. [2018-11-18 13:17:59,255 INFO L276 IsEmpty]: Start isEmpty. Operand 898 states and 1060 transitions. [2018-11-18 13:17:59,256 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 205 [2018-11-18 13:17:59,256 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:17:59,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:17:59,299 INFO L134 CoverageAnalysis]: Checked inductivity of 171 backedges. 139 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2018-11-18 13:17:59,372 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:17:59,372 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1076 states to 915 states and 1076 transitions. [2018-11-18 13:17:59,372 INFO L276 IsEmpty]: Start isEmpty. Operand 915 states and 1076 transitions. [2018-11-18 13:17:59,373 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 210 [2018-11-18 13:17:59,373 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:17:59,383 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:17:59,429 INFO L134 CoverageAnalysis]: Checked inductivity of 202 backedges. 179 proven. 0 refuted. 0 times theorem prover too weak. 23 trivial. 0 not checked. [2018-11-18 13:17:59,588 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:17:59,589 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1116 states to 953 states and 1116 transitions. [2018-11-18 13:17:59,589 INFO L276 IsEmpty]: Start isEmpty. Operand 953 states and 1116 transitions. [2018-11-18 13:17:59,590 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 211 [2018-11-18 13:17:59,590 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:17:59,597 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:17:59,620 INFO L134 CoverageAnalysis]: Checked inductivity of 203 backedges. 150 proven. 0 refuted. 0 times theorem prover too weak. 53 trivial. 0 not checked. [2018-11-18 13:17:59,637 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:17:59,638 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1118 states to 956 states and 1118 transitions. [2018-11-18 13:17:59,638 INFO L276 IsEmpty]: Start isEmpty. Operand 956 states and 1118 transitions. [2018-11-18 13:17:59,639 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2018-11-18 13:17:59,639 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:17:59,651 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:18:00,215 INFO L134 CoverageAnalysis]: Checked inductivity of 242 backedges. 181 proven. 61 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 13:18:02,679 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:18:02,680 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1260 states to 1079 states and 1260 transitions. [2018-11-18 13:18:02,680 INFO L276 IsEmpty]: Start isEmpty. Operand 1079 states and 1260 transitions. [2018-11-18 13:18:02,680 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2018-11-18 13:18:02,680 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:18:02,692 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:18:02,853 INFO L134 CoverageAnalysis]: Checked inductivity of 242 backedges. 181 proven. 61 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 13:18:03,086 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:18:03,087 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1264 states to 1083 states and 1264 transitions. [2018-11-18 13:18:03,087 INFO L276 IsEmpty]: Start isEmpty. Operand 1083 states and 1264 transitions. [2018-11-18 13:18:03,087 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 215 [2018-11-18 13:18:03,088 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:18:03,098 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:18:03,227 INFO L134 CoverageAnalysis]: Checked inductivity of 242 backedges. 181 proven. 61 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 13:18:03,425 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:18:03,427 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1268 states to 1088 states and 1268 transitions. [2018-11-18 13:18:03,427 INFO L276 IsEmpty]: Start isEmpty. Operand 1088 states and 1268 transitions. [2018-11-18 13:18:03,428 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 227 [2018-11-18 13:18:03,428 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:18:03,439 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:18:03,579 INFO L134 CoverageAnalysis]: Checked inductivity of 236 backedges. 144 proven. 0 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2018-11-18 13:18:04,185 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:18:04,186 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1351 states to 1168 states and 1351 transitions. [2018-11-18 13:18:04,186 INFO L276 IsEmpty]: Start isEmpty. Operand 1168 states and 1351 transitions. [2018-11-18 13:18:04,188 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 239 [2018-11-18 13:18:04,188 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:18:04,205 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:18:04,446 INFO L134 CoverageAnalysis]: Checked inductivity of 283 backedges. 191 proven. 0 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2018-11-18 13:18:04,906 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:18:04,907 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1366 states to 1180 states and 1366 transitions. [2018-11-18 13:18:04,907 INFO L276 IsEmpty]: Start isEmpty. Operand 1180 states and 1366 transitions. [2018-11-18 13:18:04,908 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 266 [2018-11-18 13:18:04,908 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:18:04,921 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:18:04,954 INFO L134 CoverageAnalysis]: Checked inductivity of 375 backedges. 283 proven. 0 refuted. 0 times theorem prover too weak. 92 trivial. 0 not checked. [2018-11-18 13:18:05,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:18:05,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1393 states to 1207 states and 1393 transitions. [2018-11-18 13:18:05,049 INFO L276 IsEmpty]: Start isEmpty. Operand 1207 states and 1393 transitions. [2018-11-18 13:18:05,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 308 [2018-11-18 13:18:05,050 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:18:05,067 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:18:05,121 INFO L134 CoverageAnalysis]: Checked inductivity of 460 backedges. 288 proven. 0 refuted. 0 times theorem prover too weak. 172 trivial. 0 not checked. [2018-11-18 13:18:05,317 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:18:05,318 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1394 states to 1209 states and 1394 transitions. [2018-11-18 13:18:05,318 INFO L276 IsEmpty]: Start isEmpty. Operand 1209 states and 1394 transitions. [2018-11-18 13:18:05,319 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 320 [2018-11-18 13:18:05,319 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:18:05,333 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:18:05,436 INFO L134 CoverageAnalysis]: Checked inductivity of 519 backedges. 415 proven. 7 refuted. 0 times theorem prover too weak. 97 trivial. 0 not checked. [2018-11-18 13:18:05,843 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:18:05,844 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1452 states to 1264 states and 1452 transitions. [2018-11-18 13:18:05,844 INFO L276 IsEmpty]: Start isEmpty. Operand 1264 states and 1452 transitions. [2018-11-18 13:18:05,845 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 320 [2018-11-18 13:18:05,845 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 13:18:05,859 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 13:18:05,970 INFO L134 CoverageAnalysis]: Checked inductivity of 519 backedges. 415 proven. 7 refuted. 0 times theorem prover too weak. 97 trivial. 0 not checked. [2018-11-18 13:18:06,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 13:18:06,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1268 states to 1100 states and 1268 transitions. [2018-11-18 13:18:06,114 INFO L276 IsEmpty]: Start isEmpty. Operand 1100 states and 1268 transitions. [2018-11-18 13:18:06,114 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 13:18:06,115 WARN L424 CodeCheckObserver]: This Program is SAFE, Check terminated with 68 iterations. [2018-11-18 13:18:06,122 INFO L775 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-11-18 13:18:08,301 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 13:18:08,303 INFO L579 CodeCheckObserver]: Invariant with dag size 14 [2018-11-18 13:18:08,310 INFO L579 CodeCheckObserver]: Invariant with dag size 14 [2018-11-18 13:18:08,310 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 18.11 01:18:08 ImpRootNode [2018-11-18 13:18:08,311 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-18 13:18:08,311 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 13:18:08,311 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 13:18:08,311 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 13:18:08,312 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 01:17:42" (3/4) ... [2018-11-18 13:18:08,315 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-18 13:18:08,330 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 111 nodes and edges [2018-11-18 13:18:08,331 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2018-11-18 13:18:08,331 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 9 nodes and edges [2018-11-18 13:18:08,332 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 2 nodes and edges [2018-11-18 13:18:08,428 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_ac2084c2-0115-4d4d-91e2-451c4467ef7a/bin-2019/ukojak/witness.graphml [2018-11-18 13:18:08,428 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 13:18:08,429 INFO L168 Benchmark]: Toolchain (without parser) took 28211.98 ms. Allocated memory was 1.0 GB in the beginning and 2.1 GB in the end (delta: 1.1 GB). Free memory was 956.4 MB in the beginning and 1.2 GB in the end (delta: -194.2 MB). Peak memory consumption was 908.9 MB. Max. memory is 11.5 GB. [2018-11-18 13:18:08,430 INFO L168 Benchmark]: CDTParser took 0.11 ms. Allocated memory is still 1.0 GB. Free memory is still 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. [2018-11-18 13:18:08,430 INFO L168 Benchmark]: CACSL2BoogieTranslator took 376.15 ms. Allocated memory is still 1.0 GB. Free memory was 956.4 MB in the beginning and 921.4 MB in the end (delta: 35.0 MB). Peak memory consumption was 35.0 MB. Max. memory is 11.5 GB. [2018-11-18 13:18:08,431 INFO L168 Benchmark]: Boogie Procedure Inliner took 98.63 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 131.1 MB). Free memory was 921.4 MB in the beginning and 1.1 GB in the end (delta: -198.9 MB). Peak memory consumption was 18.1 MB. Max. memory is 11.5 GB. [2018-11-18 13:18:08,431 INFO L168 Benchmark]: Boogie Preprocessor took 41.44 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: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. [2018-11-18 13:18:08,431 INFO L168 Benchmark]: RCFGBuilder took 1695.93 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 866.3 MB in the end (delta: 250.6 MB). Peak memory consumption was 250.6 MB. Max. memory is 11.5 GB. [2018-11-18 13:18:08,431 INFO L168 Benchmark]: CodeCheck took 25878.82 ms. Allocated memory was 1.2 GB in the beginning and 2.1 GB in the end (delta: 972.0 MB). Free memory was 866.3 MB in the beginning and 1.2 GB in the end (delta: -297.5 MB). Peak memory consumption was 674.5 MB. Max. memory is 11.5 GB. [2018-11-18 13:18:08,432 INFO L168 Benchmark]: Witness Printer took 117.54 ms. Allocated memory is still 2.1 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 13.2 MB). Peak memory consumption was 13.2 MB. Max. memory is 11.5 GB. [2018-11-18 13:18:08,433 INFO L336 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck: - StatisticsResult: Ultimate CodeCheck benchmark data CFG has 1 procedures, 228 locations, 1 error locations. SAFE Result, 23.6s OverallTime, 68 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: 271288528 SDtfs, -1728566284 SDslu, -1989884288 SDs, 0 SdLazy, 1090052952 SolverSat, -295337932 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 111.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 73392 GetRequests, 72310 SyntacticMatches, 662 SemanticMatches, 420 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 127732 ImplicationChecksByTransitivity, 16.0s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.2s SsaConstructionTime, 0.4s SatisfiabilityAnalysisTime, 3.7s InterpolantComputationTime, 11178 NumberOfCodeBlocks, 11178 NumberOfCodeBlocksAsserted, 67 NumberOfCheckSat, 11111 ConstructedInterpolants, 0 QuantifiedInterpolants, 4903522 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 67 InterpolantComputations, 53 PerfectInterpolantSequences, 8652/8910 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: 574]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - InvariantResult [Line: 600]: Loop Invariant Derived loop invariant: 1 - InvariantResult [Line: 29]: Loop Invariant Derived loop invariant: ((a11 == 1 && !(a17 == 9)) || a17 == 8) || !(a19 == 1) - InvariantResult [Line: 606]: Loop Invariant Derived loop invariant: (a17 == 8 || (a11 == 1 && !(a17 == 9))) || !(a19 == 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 985.4 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 376.15 ms. Allocated memory is still 1.0 GB. Free memory was 956.4 MB in the beginning and 921.4 MB in the end (delta: 35.0 MB). Peak memory consumption was 35.0 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 98.63 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 131.1 MB). Free memory was 921.4 MB in the beginning and 1.1 GB in the end (delta: -198.9 MB). Peak memory consumption was 18.1 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 41.44 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: 3.4 MB). Peak memory consumption was 3.4 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1695.93 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 866.3 MB in the end (delta: 250.6 MB). Peak memory consumption was 250.6 MB. Max. memory is 11.5 GB. * CodeCheck took 25878.82 ms. Allocated memory was 1.2 GB in the beginning and 2.1 GB in the end (delta: 972.0 MB). Free memory was 866.3 MB in the beginning and 1.2 GB in the end (delta: -297.5 MB). Peak memory consumption was 674.5 MB. Max. memory is 11.5 GB. * Witness Printer took 117.54 ms. Allocated memory is still 2.1 GB. Free memory was 1.2 GB in the beginning and 1.2 GB in the end (delta: 13.2 MB). Peak memory consumption was 13.2 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...