./Ultimate.py --spec ../../sv-benchmarks/c/ReachSafety.prp --file ../../sv-benchmarks/c/eca-rers2012/Problem01_label22_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_94b6848c-d97c-4bf7-adca-7438120723c5/bin-2019/ukojak/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_94b6848c-d97c-4bf7-adca-7438120723c5/bin-2019/ukojak/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_94b6848c-d97c-4bf7-adca-7438120723c5/bin-2019/ukojak/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_94b6848c-d97c-4bf7-adca-7438120723c5/bin-2019/ukojak/config/KojakReach.xml -i ../../sv-benchmarks/c/eca-rers2012/Problem01_label22_true-unreach-call_false-termination.c -s /tmp/vcloud-vcloud-master/worker/working_dir_94b6848c-d97c-4bf7-adca-7438120723c5/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_94b6848c-d97c-4bf7-adca-7438120723c5/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 d643ba28d95f16d18742963f1ebc32166d4daeb8 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................ 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 16:00:09,602 INFO L170 SettingsManager]: Resetting all preferences to default values... [2018-11-18 16:00:09,603 INFO L174 SettingsManager]: Resetting UltimateCore preferences to default values [2018-11-18 16:00:09,612 INFO L177 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2018-11-18 16:00:09,612 INFO L174 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2018-11-18 16:00:09,612 INFO L174 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2018-11-18 16:00:09,613 INFO L174 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2018-11-18 16:00:09,614 INFO L174 SettingsManager]: Resetting LassoRanker preferences to default values [2018-11-18 16:00:09,615 INFO L174 SettingsManager]: Resetting Reaching Definitions preferences to default values [2018-11-18 16:00:09,616 INFO L174 SettingsManager]: Resetting SyntaxChecker preferences to default values [2018-11-18 16:00:09,617 INFO L177 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2018-11-18 16:00:09,617 INFO L174 SettingsManager]: Resetting LTL2Aut preferences to default values [2018-11-18 16:00:09,618 INFO L174 SettingsManager]: Resetting PEA to Boogie preferences to default values [2018-11-18 16:00:09,618 INFO L174 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2018-11-18 16:00:09,619 INFO L174 SettingsManager]: Resetting ChcToBoogie preferences to default values [2018-11-18 16:00:09,620 INFO L174 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2018-11-18 16:00:09,620 INFO L174 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2018-11-18 16:00:09,621 INFO L174 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2018-11-18 16:00:09,623 INFO L174 SettingsManager]: Resetting CodeCheck preferences to default values [2018-11-18 16:00:09,624 INFO L174 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2018-11-18 16:00:09,625 INFO L174 SettingsManager]: Resetting RCFGBuilder preferences to default values [2018-11-18 16:00:09,625 INFO L174 SettingsManager]: Resetting TraceAbstraction preferences to default values [2018-11-18 16:00:09,627 INFO L177 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2018-11-18 16:00:09,627 INFO L177 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2018-11-18 16:00:09,627 INFO L174 SettingsManager]: Resetting TreeAutomizer preferences to default values [2018-11-18 16:00:09,628 INFO L174 SettingsManager]: Resetting IcfgTransformer preferences to default values [2018-11-18 16:00:09,629 INFO L174 SettingsManager]: Resetting Boogie Printer preferences to default values [2018-11-18 16:00:09,629 INFO L174 SettingsManager]: Resetting ReqPrinter preferences to default values [2018-11-18 16:00:09,630 INFO L174 SettingsManager]: Resetting Witness Printer preferences to default values [2018-11-18 16:00:09,631 INFO L177 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2018-11-18 16:00:09,631 INFO L174 SettingsManager]: Resetting CDTParser preferences to default values [2018-11-18 16:00:09,631 INFO L177 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2018-11-18 16:00:09,631 INFO L177 SettingsManager]: ReqParser provides no preferences, ignoring... [2018-11-18 16:00:09,632 INFO L174 SettingsManager]: Resetting SmtParser preferences to default values [2018-11-18 16:00:09,632 INFO L174 SettingsManager]: Resetting Witness Parser preferences to default values [2018-11-18 16:00:09,633 INFO L181 SettingsManager]: Finished resetting all preferences to default values... [2018-11-18 16:00:09,633 INFO L98 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_94b6848c-d97c-4bf7-adca-7438120723c5/bin-2019/ukojak/config/svcomp-Reach-32bit-Kojak_Default.epf [2018-11-18 16:00:09,643 INFO L110 SettingsManager]: Loading preferences was successful [2018-11-18 16:00:09,643 INFO L112 SettingsManager]: Preferences different from defaults after loading the file: [2018-11-18 16:00:09,644 INFO L131 SettingsManager]: Preferences of Boogie Procedure Inliner differ from their defaults: [2018-11-18 16:00:09,644 INFO L133 SettingsManager]: * to procedures, called more than once=true [2018-11-18 16:00:09,644 INFO L131 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2018-11-18 16:00:09,645 INFO L133 SettingsManager]: * Create parallel compositions if possible=false [2018-11-18 16:00:09,645 INFO L131 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2018-11-18 16:00:09,645 INFO L133 SettingsManager]: * sizeof long=4 [2018-11-18 16:00:09,645 INFO L133 SettingsManager]: * Overapproximate operations on floating types=true [2018-11-18 16:00:09,645 INFO L133 SettingsManager]: * sizeof POINTER=4 [2018-11-18 16:00:09,645 INFO L133 SettingsManager]: * Check division by zero=IGNORE [2018-11-18 16:00:09,645 INFO L133 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2018-11-18 16:00:09,646 INFO L133 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2018-11-18 16:00:09,646 INFO L133 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2018-11-18 16:00:09,646 INFO L133 SettingsManager]: * sizeof long double=12 [2018-11-18 16:00:09,646 INFO L133 SettingsManager]: * Check if freed pointer was valid=false [2018-11-18 16:00:09,646 INFO L133 SettingsManager]: * Use constant arrays=true [2018-11-18 16:00:09,646 INFO L133 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2018-11-18 16:00:09,646 INFO L131 SettingsManager]: Preferences of CodeCheck differ from their defaults: [2018-11-18 16:00:09,647 INFO L133 SettingsManager]: * Timeout in seconds=1000000 [2018-11-18 16:00:09,647 INFO L131 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2018-11-18 16:00:09,647 INFO L133 SettingsManager]: * To the following directory=./dump/ [2018-11-18 16:00:09,647 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:10000 [2018-11-18 16:00:09,647 INFO L131 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2018-11-18 16:00:09,647 INFO L133 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2018-11-18 16:00:09,648 INFO L133 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2018-11-18 16:00:09,648 INFO L133 SettingsManager]: * Trace refinement strategy=PENGUIN [2018-11-18 16:00:09,648 INFO L133 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode [2018-11-18 16:00:09,648 INFO L133 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2018-11-18 16:00:09,648 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_94b6848c-d97c-4bf7-adca-7438120723c5/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 -> d643ba28d95f16d18742963f1ebc32166d4daeb8 [2018-11-18 16:00:09,674 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2018-11-18 16:00:09,683 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2018-11-18 16:00:09,686 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2018-11-18 16:00:09,687 INFO L271 PluginConnector]: Initializing CDTParser... [2018-11-18 16:00:09,687 INFO L276 PluginConnector]: CDTParser initialized [2018-11-18 16:00:09,688 INFO L418 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_94b6848c-d97c-4bf7-adca-7438120723c5/bin-2019/ukojak/../../sv-benchmarks/c/eca-rers2012/Problem01_label22_true-unreach-call_false-termination.c [2018-11-18 16:00:09,729 INFO L221 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_94b6848c-d97c-4bf7-adca-7438120723c5/bin-2019/ukojak/data/2f9af0f56/a50234c782064b0baecbeecee9596370/FLAG298e52e70 [2018-11-18 16:00:10,183 INFO L307 CDTParser]: Found 1 translation units. [2018-11-18 16:00:10,183 INFO L161 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_94b6848c-d97c-4bf7-adca-7438120723c5/sv-benchmarks/c/eca-rers2012/Problem01_label22_true-unreach-call_false-termination.c [2018-11-18 16:00:10,192 INFO L355 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_94b6848c-d97c-4bf7-adca-7438120723c5/bin-2019/ukojak/data/2f9af0f56/a50234c782064b0baecbeecee9596370/FLAG298e52e70 [2018-11-18 16:00:10,204 INFO L363 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_94b6848c-d97c-4bf7-adca-7438120723c5/bin-2019/ukojak/data/2f9af0f56/a50234c782064b0baecbeecee9596370 [2018-11-18 16:00:10,206 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2018-11-18 16:00:10,207 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2018-11-18 16:00:10,207 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2018-11-18 16:00:10,207 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2018-11-18 16:00:10,209 INFO L276 PluginConnector]: CACSL2BoogieTranslator initialized [2018-11-18 16:00:10,210 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 04:00:10" (1/1) ... [2018-11-18 16:00:10,212 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@3275144b and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:00:10, skipping insertion in model container [2018-11-18 16:00:10,212 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 18.11 04:00:10" (1/1) ... [2018-11-18 16:00:10,218 INFO L145 MainTranslator]: Starting translation in SV-COMP mode [2018-11-18 16:00:10,253 INFO L176 MainTranslator]: Built tables and reachable declarations [2018-11-18 16:00:10,493 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 16:00:10,496 INFO L191 MainTranslator]: Completed pre-run [2018-11-18 16:00:10,562 INFO L201 PostProcessor]: Analyzing one entry point: main [2018-11-18 16:00:10,573 INFO L195 MainTranslator]: Completed translation [2018-11-18 16:00:10,573 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:00:10 WrapperNode [2018-11-18 16:00:10,573 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2018-11-18 16:00:10,574 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2018-11-18 16:00:10,574 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2018-11-18 16:00:10,574 INFO L276 PluginConnector]: Boogie Procedure Inliner initialized [2018-11-18 16:00:10,628 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:00:10" (1/1) ... [2018-11-18 16:00:10,639 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:00:10" (1/1) ... [2018-11-18 16:00:10,673 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2018-11-18 16:00:10,673 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2018-11-18 16:00:10,674 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2018-11-18 16:00:10,674 INFO L276 PluginConnector]: Boogie Preprocessor initialized [2018-11-18 16:00:10,681 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:00:10" (1/1) ... [2018-11-18 16:00:10,681 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:00:10" (1/1) ... [2018-11-18 16:00:10,684 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:00:10" (1/1) ... [2018-11-18 16:00:10,685 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:00:10" (1/1) ... [2018-11-18 16:00:10,698 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:00:10" (1/1) ... [2018-11-18 16:00:10,706 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:00:10" (1/1) ... [2018-11-18 16:00:10,710 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:00:10" (1/1) ... [2018-11-18 16:00:10,713 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2018-11-18 16:00:10,714 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2018-11-18 16:00:10,714 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2018-11-18 16:00:10,714 INFO L276 PluginConnector]: RCFGBuilder initialized [2018-11-18 16:00:10,715 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 18.11 04:00:10" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_94b6848c-d97c-4bf7-adca-7438120723c5/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 16:00:10,762 INFO L130 BoogieDeclarations]: Found specification of procedure exit [2018-11-18 16:00:10,762 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2018-11-18 16:00:10,762 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2018-11-18 16:00:12,512 INFO L278 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2018-11-18 16:00:12,512 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 04:00:12 BoogieIcfgContainer [2018-11-18 16:00:12,512 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2018-11-18 16:00:12,513 INFO L113 PluginConnector]: ------------------------CodeCheck---------------------------- [2018-11-18 16:00:12,513 INFO L271 PluginConnector]: Initializing CodeCheck... [2018-11-18 16:00:12,522 INFO L276 PluginConnector]: CodeCheck initialized [2018-11-18 16:00:12,522 INFO L185 PluginConnector]: Executing the observer CodeCheckObserver from plugin CodeCheck for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 04:00:12" (1/1) ... [2018-11-18 16:00:12,532 INFO L141 PredicateUnifier]: Initialized classic predicate unifier [2018-11-18 16:00:12,558 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:00:12,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 146 states to 77 states and 146 transitions. [2018-11-18 16:00:12,566 INFO L276 IsEmpty]: Start isEmpty. Operand 77 states and 146 transitions. [2018-11-18 16:00:12,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 73 [2018-11-18 16:00:12,570 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:00:12,694 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:00:12,831 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 16:00:13,290 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:00:13,291 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 246 states to 147 states and 246 transitions. [2018-11-18 16:00:13,292 INFO L276 IsEmpty]: Start isEmpty. Operand 147 states and 246 transitions. [2018-11-18 16:00:13,293 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 78 [2018-11-18 16:00:13,294 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:00:13,321 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:00:13,380 INFO L134 CoverageAnalysis]: Checked inductivity of 4 backedges. 4 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 16:00:13,574 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:00:13,575 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 247 states to 148 states and 247 transitions. [2018-11-18 16:00:13,575 INFO L276 IsEmpty]: Start isEmpty. Operand 148 states and 247 transitions. [2018-11-18 16:00:13,577 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 79 [2018-11-18 16:00:13,577 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:00:13,583 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:00:13,599 INFO L134 CoverageAnalysis]: Checked inductivity of 5 backedges. 5 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 16:00:13,677 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:00:13,678 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 256 states to 153 states and 256 transitions. [2018-11-18 16:00:13,678 INFO L276 IsEmpty]: Start isEmpty. Operand 153 states and 256 transitions. [2018-11-18 16:00:13,681 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 81 [2018-11-18 16:00:13,681 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:00:13,699 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:00:13,773 INFO L134 CoverageAnalysis]: Checked inductivity of 7 backedges. 7 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 16:00:13,930 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:00:13,931 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 264 states to 158 states and 264 transitions. [2018-11-18 16:00:13,932 INFO L276 IsEmpty]: Start isEmpty. Operand 158 states and 264 transitions. [2018-11-18 16:00:13,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 84 [2018-11-18 16:00:13,938 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:00:13,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:00:13,956 INFO L134 CoverageAnalysis]: Checked inductivity of 14 backedges. 10 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-18 16:00:14,014 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:00:14,015 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 265 states to 159 states and 265 transitions. [2018-11-18 16:00:14,015 INFO L276 IsEmpty]: Start isEmpty. Operand 159 states and 265 transitions. [2018-11-18 16:00:14,016 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 87 [2018-11-18 16:00:14,016 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:00:14,025 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:00:14,055 INFO L134 CoverageAnalysis]: Checked inductivity of 18 backedges. 13 proven. 0 refuted. 0 times theorem prover too weak. 5 trivial. 0 not checked. [2018-11-18 16:00:14,351 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:00:14,352 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 287 states to 172 states and 287 transitions. [2018-11-18 16:00:14,352 INFO L276 IsEmpty]: Start isEmpty. Operand 172 states and 287 transitions. [2018-11-18 16:00:14,353 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 89 [2018-11-18 16:00:14,353 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:00:14,367 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:00:14,444 INFO L134 CoverageAnalysis]: Checked inductivity of 15 backedges. 15 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 16:00:14,818 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:00:14,818 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 307 states to 187 states and 307 transitions. [2018-11-18 16:00:14,819 INFO L276 IsEmpty]: Start isEmpty. Operand 187 states and 307 transitions. [2018-11-18 16:00:14,819 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 93 [2018-11-18 16:00:14,819 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:00:14,827 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:00:14,855 INFO L134 CoverageAnalysis]: Checked inductivity of 19 backedges. 19 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 16:00:14,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:00:14,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 312 states to 191 states and 312 transitions. [2018-11-18 16:00:14,925 INFO L276 IsEmpty]: Start isEmpty. Operand 191 states and 312 transitions. [2018-11-18 16:00:14,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2018-11-18 16:00:14,926 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:00:14,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:00:15,026 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 16:00:15,487 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:00:15,488 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 336 states to 207 states and 336 transitions. [2018-11-18 16:00:15,488 INFO L276 IsEmpty]: Start isEmpty. Operand 207 states and 336 transitions. [2018-11-18 16:00:15,489 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 94 [2018-11-18 16:00:15,489 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:00:15,498 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:00:15,517 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 16:00:15,947 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:00:15,947 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 346 states to 214 states and 346 transitions. [2018-11-18 16:00:15,948 INFO L276 IsEmpty]: Start isEmpty. Operand 214 states and 346 transitions. [2018-11-18 16:00:15,949 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2018-11-18 16:00:15,950 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:00:15,961 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:00:16,018 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 16:00:16,646 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:00:16,647 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 372 states to 230 states and 372 transitions. [2018-11-18 16:00:16,647 INFO L276 IsEmpty]: Start isEmpty. Operand 230 states and 372 transitions. [2018-11-18 16:00:16,648 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 97 [2018-11-18 16:00:16,648 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:00:16,657 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:00:16,672 INFO L134 CoverageAnalysis]: Checked inductivity of 30 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 16:00:16,835 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:00:16,835 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 376 states to 231 states and 376 transitions. [2018-11-18 16:00:16,835 INFO L276 IsEmpty]: Start isEmpty. Operand 231 states and 376 transitions. [2018-11-18 16:00:16,836 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2018-11-18 16:00:16,836 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:00:16,843 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:00:16,858 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-18 16:00:17,138 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:00:17,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 388 states to 242 states and 388 transitions. [2018-11-18 16:00:17,139 INFO L276 IsEmpty]: Start isEmpty. Operand 242 states and 388 transitions. [2018-11-18 16:00:17,139 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2018-11-18 16:00:17,139 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:00:17,145 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:00:17,162 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-18 16:00:17,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:00:17,417 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 392 states to 245 states and 392 transitions. [2018-11-18 16:00:17,418 INFO L276 IsEmpty]: Start isEmpty. Operand 245 states and 392 transitions. [2018-11-18 16:00:17,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 98 [2018-11-18 16:00:17,418 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:00:17,424 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:00:17,437 INFO L134 CoverageAnalysis]: Checked inductivity of 24 backedges. 24 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 16:00:17,666 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:00:17,666 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 404 states to 254 states and 404 transitions. [2018-11-18 16:00:17,666 INFO L276 IsEmpty]: Start isEmpty. Operand 254 states and 404 transitions. [2018-11-18 16:00:17,667 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2018-11-18 16:00:17,667 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:00:17,673 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:00:17,721 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-11-18 16:00:18,256 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:00:18,257 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 422 states to 266 states and 422 transitions. [2018-11-18 16:00:18,257 INFO L276 IsEmpty]: Start isEmpty. Operand 266 states and 422 transitions. [2018-11-18 16:00:18,258 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 99 [2018-11-18 16:00:18,258 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:00:18,265 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:00:18,281 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 30 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-11-18 16:00:18,471 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:00:18,472 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 423 states to 267 states and 423 transitions. [2018-11-18 16:00:18,472 INFO L276 IsEmpty]: Start isEmpty. Operand 267 states and 423 transitions. [2018-11-18 16:00:18,473 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 100 [2018-11-18 16:00:18,473 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:00:18,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:00:18,495 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 16:00:18,757 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:00:18,758 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 439 states to 278 states and 439 transitions. [2018-11-18 16:00:18,758 INFO L276 IsEmpty]: Start isEmpty. Operand 278 states and 439 transitions. [2018-11-18 16:00:18,759 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2018-11-18 16:00:18,759 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:00:18,764 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:00:18,775 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-11-18 16:00:18,910 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:00:18,910 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 453 states to 290 states and 453 transitions. [2018-11-18 16:00:18,910 INFO L276 IsEmpty]: Start isEmpty. Operand 290 states and 453 transitions. [2018-11-18 16:00:18,911 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 101 [2018-11-18 16:00:18,911 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:00:18,918 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:00:18,928 INFO L134 CoverageAnalysis]: Checked inductivity of 34 backedges. 27 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-11-18 16:00:19,040 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:00:19,040 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 458 states to 294 states and 458 transitions. [2018-11-18 16:00:19,040 INFO L276 IsEmpty]: Start isEmpty. Operand 294 states and 458 transitions. [2018-11-18 16:00:19,041 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 102 [2018-11-18 16:00:19,041 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:00:19,046 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:00:19,124 INFO L134 CoverageAnalysis]: Checked inductivity of 28 backedges. 28 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 16:00:19,830 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:00:19,831 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 495 states to 322 states and 495 transitions. [2018-11-18 16:00:19,831 INFO L276 IsEmpty]: Start isEmpty. Operand 322 states and 495 transitions. [2018-11-18 16:00:19,831 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 105 [2018-11-18 16:00:19,831 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:00:19,839 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:00:19,855 INFO L134 CoverageAnalysis]: Checked inductivity of 35 backedges. 31 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-18 16:00:20,092 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:00:20,092 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 503 states to 331 states and 503 transitions. [2018-11-18 16:00:20,092 INFO L276 IsEmpty]: Start isEmpty. Operand 331 states and 503 transitions. [2018-11-18 16:00:20,093 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2018-11-18 16:00:20,093 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:00:20,099 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:00:20,115 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-11-18 16:00:20,247 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:00:20,248 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 508 states to 335 states and 508 transitions. [2018-11-18 16:00:20,248 INFO L276 IsEmpty]: Start isEmpty. Operand 335 states and 508 transitions. [2018-11-18 16:00:20,249 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 106 [2018-11-18 16:00:20,249 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:00:20,258 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:00:20,273 INFO L134 CoverageAnalysis]: Checked inductivity of 39 backedges. 32 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-11-18 16:00:20,352 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:00:20,353 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 511 states to 339 states and 511 transitions. [2018-11-18 16:00:20,353 INFO L276 IsEmpty]: Start isEmpty. Operand 339 states and 511 transitions. [2018-11-18 16:00:20,354 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2018-11-18 16:00:20,354 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:00:20,364 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:00:20,386 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 16:00:20,680 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:00:20,681 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 518 states to 344 states and 518 transitions. [2018-11-18 16:00:20,681 INFO L276 IsEmpty]: Start isEmpty. Operand 344 states and 518 transitions. [2018-11-18 16:00:20,682 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 107 [2018-11-18 16:00:20,682 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:00:20,691 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:00:20,707 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 37 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 16:00:21,242 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:00:21,243 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 533 states to 359 states and 533 transitions. [2018-11-18 16:00:21,243 INFO L276 IsEmpty]: Start isEmpty. Operand 359 states and 533 transitions. [2018-11-18 16:00:21,244 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2018-11-18 16:00:21,244 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:00:21,253 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:00:21,269 INFO L134 CoverageAnalysis]: Checked inductivity of 43 backedges. 36 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-11-18 16:00:21,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:00:21,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 535 states to 361 states and 535 transitions. [2018-11-18 16:00:21,348 INFO L276 IsEmpty]: Start isEmpty. Operand 361 states and 535 transitions. [2018-11-18 16:00:21,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 110 [2018-11-18 16:00:21,348 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:00:21,361 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:00:21,447 INFO L134 CoverageAnalysis]: Checked inductivity of 41 backedges. 41 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 16:00:21,879 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:00:21,879 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 549 states to 367 states and 549 transitions. [2018-11-18 16:00:21,879 INFO L276 IsEmpty]: Start isEmpty. Operand 367 states and 549 transitions. [2018-11-18 16:00:21,880 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 111 [2018-11-18 16:00:21,880 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:00:21,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:00:21,989 INFO L134 CoverageAnalysis]: Checked inductivity of 37 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2018-11-18 16:00:23,347 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:00:23,348 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 664 states to 460 states and 664 transitions. [2018-11-18 16:00:23,348 INFO L276 IsEmpty]: Start isEmpty. Operand 460 states and 664 transitions. [2018-11-18 16:00:23,348 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2018-11-18 16:00:23,348 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:00:23,357 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:00:23,460 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 43 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-18 16:00:24,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:00:24,342 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 703 states to 484 states and 703 transitions. [2018-11-18 16:00:24,342 INFO L276 IsEmpty]: Start isEmpty. Operand 484 states and 703 transitions. [2018-11-18 16:00:24,343 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 117 [2018-11-18 16:00:24,343 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:00:24,349 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:00:24,363 INFO L134 CoverageAnalysis]: Checked inductivity of 48 backedges. 43 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-18 16:00:24,474 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:00:24,475 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 705 states to 485 states and 705 transitions. [2018-11-18 16:00:24,475 INFO L276 IsEmpty]: Start isEmpty. Operand 485 states and 705 transitions. [2018-11-18 16:00:24,475 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 121 [2018-11-18 16:00:24,475 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:00:24,481 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:00:24,502 INFO L134 CoverageAnalysis]: Checked inductivity of 47 backedges. 47 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 16:00:25,430 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:00:25,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 757 states to 528 states and 757 transitions. [2018-11-18 16:00:25,430 INFO L276 IsEmpty]: Start isEmpty. Operand 528 states and 757 transitions. [2018-11-18 16:00:25,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 124 [2018-11-18 16:00:25,431 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:00:25,438 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:00:25,529 INFO L134 CoverageAnalysis]: Checked inductivity of 72 backedges. 48 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-11-18 16:00:25,925 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:00:25,925 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 768 states to 536 states and 768 transitions. [2018-11-18 16:00:25,926 INFO L276 IsEmpty]: Start isEmpty. Operand 536 states and 768 transitions. [2018-11-18 16:00:25,926 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 125 [2018-11-18 16:00:25,926 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:00:25,935 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:00:25,956 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 50 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-11-18 16:00:25,987 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:00:25,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 777 states to 544 states and 777 transitions. [2018-11-18 16:00:25,988 INFO L276 IsEmpty]: Start isEmpty. Operand 544 states and 777 transitions. [2018-11-18 16:00:25,988 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2018-11-18 16:00:25,988 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:00:25,994 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:00:26,024 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 56 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 16:00:26,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:00:26,840 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 814 states to 575 states and 814 transitions. [2018-11-18 16:00:26,841 INFO L276 IsEmpty]: Start isEmpty. Operand 575 states and 814 transitions. [2018-11-18 16:00:26,841 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 126 [2018-11-18 16:00:26,841 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:00:26,848 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:00:26,874 INFO L134 CoverageAnalysis]: Checked inductivity of 56 backedges. 56 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 16:00:27,462 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:00:27,463 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 840 states to 597 states and 840 transitions. [2018-11-18 16:00:27,463 INFO L276 IsEmpty]: Start isEmpty. Operand 597 states and 840 transitions. [2018-11-18 16:00:27,463 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 128 [2018-11-18 16:00:27,464 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:00:27,470 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:00:27,522 INFO L134 CoverageAnalysis]: Checked inductivity of 59 backedges. 53 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-11-18 16:00:28,113 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:00:28,114 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 865 states to 617 states and 865 transitions. [2018-11-18 16:00:28,114 INFO L276 IsEmpty]: Start isEmpty. Operand 617 states and 865 transitions. [2018-11-18 16:00:28,114 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2018-11-18 16:00:28,114 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:00:28,122 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:00:28,138 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 16:00:28,417 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:00:28,418 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 885 states to 636 states and 885 transitions. [2018-11-18 16:00:28,418 INFO L276 IsEmpty]: Start isEmpty. Operand 636 states and 885 transitions. [2018-11-18 16:00:28,418 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2018-11-18 16:00:28,418 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:00:28,425 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:00:28,436 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 16:00:28,552 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:00:28,553 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 895 states to 645 states and 895 transitions. [2018-11-18 16:00:28,553 INFO L276 IsEmpty]: Start isEmpty. Operand 645 states and 895 transitions. [2018-11-18 16:00:28,553 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2018-11-18 16:00:28,553 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:00:28,560 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:00:28,579 INFO L134 CoverageAnalysis]: Checked inductivity of 62 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 16:00:29,001 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:00:29,002 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 917 states to 668 states and 917 transitions. [2018-11-18 16:00:29,002 INFO L276 IsEmpty]: Start isEmpty. Operand 668 states and 917 transitions. [2018-11-18 16:00:29,002 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 129 [2018-11-18 16:00:29,002 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:00:29,009 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:00:29,079 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 60 proven. 0 refuted. 0 times theorem prover too weak. 17 trivial. 0 not checked. [2018-11-18 16:00:29,943 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:00:29,944 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 947 states to 691 states and 947 transitions. [2018-11-18 16:00:29,944 INFO L276 IsEmpty]: Start isEmpty. Operand 691 states and 947 transitions. [2018-11-18 16:00:29,945 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2018-11-18 16:00:29,945 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:00:29,951 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:00:30,083 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 64 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-11-18 16:00:31,049 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:00:31,050 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 982 states to 715 states and 982 transitions. [2018-11-18 16:00:31,050 INFO L276 IsEmpty]: Start isEmpty. Operand 715 states and 982 transitions. [2018-11-18 16:00:31,051 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 130 [2018-11-18 16:00:31,051 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:00:31,057 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:00:31,199 INFO L134 CoverageAnalysis]: Checked inductivity of 99 backedges. 75 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-11-18 16:00:32,083 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:00:32,083 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1005 states to 732 states and 1005 transitions. [2018-11-18 16:00:32,083 INFO L276 IsEmpty]: Start isEmpty. Operand 732 states and 1005 transitions. [2018-11-18 16:00:32,084 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2018-11-18 16:00:32,084 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:00:32,090 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:00:32,100 INFO L134 CoverageAnalysis]: Checked inductivity of 101 backedges. 77 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-11-18 16:00:32,183 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:00:32,183 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1008 states to 736 states and 1008 transitions. [2018-11-18 16:00:32,183 INFO L276 IsEmpty]: Start isEmpty. Operand 736 states and 1008 transitions. [2018-11-18 16:00:32,184 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 132 [2018-11-18 16:00:32,184 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:00:32,190 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:00:32,202 INFO L134 CoverageAnalysis]: Checked inductivity of 83 backedges. 63 proven. 0 refuted. 0 times theorem prover too weak. 20 trivial. 0 not checked. [2018-11-18 16:00:32,497 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:00:32,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1020 states to 746 states and 1020 transitions. [2018-11-18 16:00:32,497 INFO L276 IsEmpty]: Start isEmpty. Operand 746 states and 1020 transitions. [2018-11-18 16:00:32,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2018-11-18 16:00:32,498 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:00:32,504 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:00:32,517 INFO L134 CoverageAnalysis]: Checked inductivity of 73 backedges. 67 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-11-18 16:00:32,826 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:00:32,827 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1037 states to 763 states and 1037 transitions. [2018-11-18 16:00:32,827 INFO L276 IsEmpty]: Start isEmpty. Operand 763 states and 1037 transitions. [2018-11-18 16:00:32,827 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2018-11-18 16:00:32,827 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:00:32,833 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:00:32,845 INFO L134 CoverageAnalysis]: Checked inductivity of 73 backedges. 67 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-11-18 16:00:33,048 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:00:33,049 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1046 states to 772 states and 1046 transitions. [2018-11-18 16:00:33,049 INFO L276 IsEmpty]: Start isEmpty. Operand 772 states and 1046 transitions. [2018-11-18 16:00:33,050 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 133 [2018-11-18 16:00:33,050 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:00:33,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:00:33,074 INFO L134 CoverageAnalysis]: Checked inductivity of 77 backedges. 71 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-11-18 16:00:34,240 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:00:34,240 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1081 states to 805 states and 1081 transitions. [2018-11-18 16:00:34,240 INFO L276 IsEmpty]: Start isEmpty. Operand 805 states and 1081 transitions. [2018-11-18 16:00:34,241 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 134 [2018-11-18 16:00:34,241 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:00:34,247 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:00:34,260 INFO L134 CoverageAnalysis]: Checked inductivity of 60 backedges. 60 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 16:00:34,932 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:00:34,932 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1100 states to 820 states and 1100 transitions. [2018-11-18 16:00:34,932 INFO L276 IsEmpty]: Start isEmpty. Operand 820 states and 1100 transitions. [2018-11-18 16:00:34,933 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2018-11-18 16:00:34,933 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:00:34,941 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:00:34,957 INFO L134 CoverageAnalysis]: Checked inductivity of 61 backedges. 61 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 16:00:34,970 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:00:34,971 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1101 states to 821 states and 1101 transitions. [2018-11-18 16:00:34,971 INFO L276 IsEmpty]: Start isEmpty. Operand 821 states and 1101 transitions. [2018-11-18 16:00:34,971 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2018-11-18 16:00:34,971 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:00:34,977 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:00:34,990 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 66 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-11-18 16:00:35,632 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:00:35,633 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1119 states to 836 states and 1119 transitions. [2018-11-18 16:00:35,633 INFO L276 IsEmpty]: Start isEmpty. Operand 836 states and 1119 transitions. [2018-11-18 16:00:35,633 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 135 [2018-11-18 16:00:35,633 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:00:35,641 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:00:35,663 INFO L134 CoverageAnalysis]: Checked inductivity of 91 backedges. 66 proven. 0 refuted. 0 times theorem prover too weak. 25 trivial. 0 not checked. [2018-11-18 16:00:35,896 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:00:35,897 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1120 states to 837 states and 1120 transitions. [2018-11-18 16:00:35,897 INFO L276 IsEmpty]: Start isEmpty. Operand 837 states and 1120 transitions. [2018-11-18 16:00:35,897 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2018-11-18 16:00:35,897 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:00:35,903 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:00:35,915 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 67 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-11-18 16:00:36,736 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:00:36,737 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1147 states to 857 states and 1147 transitions. [2018-11-18 16:00:36,737 INFO L276 IsEmpty]: Start isEmpty. Operand 857 states and 1147 transitions. [2018-11-18 16:00:36,737 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2018-11-18 16:00:36,737 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:00:36,744 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:00:36,757 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 67 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-11-18 16:00:37,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:00:37,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1167 states to 876 states and 1167 transitions. [2018-11-18 16:00:37,038 INFO L276 IsEmpty]: Start isEmpty. Operand 876 states and 1167 transitions. [2018-11-18 16:00:37,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2018-11-18 16:00:37,039 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:00:37,047 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:00:37,062 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 67 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-11-18 16:00:37,565 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:00:37,565 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1187 states to 894 states and 1187 transitions. [2018-11-18 16:00:37,566 INFO L276 IsEmpty]: Start isEmpty. Operand 894 states and 1187 transitions. [2018-11-18 16:00:37,566 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2018-11-18 16:00:37,566 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:00:37,572 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:00:37,591 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 67 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-11-18 16:00:37,709 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:00:37,710 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1193 states to 901 states and 1193 transitions. [2018-11-18 16:00:37,710 INFO L276 IsEmpty]: Start isEmpty. Operand 901 states and 1193 transitions. [2018-11-18 16:00:37,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2018-11-18 16:00:37,711 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:00:37,716 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:00:37,728 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 67 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-11-18 16:00:37,926 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:00:37,926 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1200 states to 909 states and 1200 transitions. [2018-11-18 16:00:37,926 INFO L276 IsEmpty]: Start isEmpty. Operand 909 states and 1200 transitions. [2018-11-18 16:00:37,927 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2018-11-18 16:00:37,927 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:00:37,933 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:00:37,944 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 67 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-11-18 16:00:38,131 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:00:38,132 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1208 states to 918 states and 1208 transitions. [2018-11-18 16:00:38,132 INFO L276 IsEmpty]: Start isEmpty. Operand 918 states and 1208 transitions. [2018-11-18 16:00:38,132 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2018-11-18 16:00:38,133 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:00:38,139 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:00:38,154 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 67 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-11-18 16:00:38,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:00:38,376 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1218 states to 927 states and 1218 transitions. [2018-11-18 16:00:38,377 INFO L276 IsEmpty]: Start isEmpty. Operand 927 states and 1218 transitions. [2018-11-18 16:00:38,377 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2018-11-18 16:00:38,378 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:00:38,385 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:00:38,405 INFO L134 CoverageAnalysis]: Checked inductivity of 80 backedges. 67 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-11-18 16:00:38,659 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:00:38,660 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1221 states to 931 states and 1221 transitions. [2018-11-18 16:00:38,660 INFO L276 IsEmpty]: Start isEmpty. Operand 931 states and 1221 transitions. [2018-11-18 16:00:38,661 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 136 [2018-11-18 16:00:38,661 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:00:38,667 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:00:38,883 INFO L134 CoverageAnalysis]: Checked inductivity of 88 backedges. 61 proven. 0 refuted. 0 times theorem prover too weak. 27 trivial. 0 not checked. [2018-11-18 16:00:39,583 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:00:39,584 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1242 states to 951 states and 1242 transitions. [2018-11-18 16:00:39,584 INFO L276 IsEmpty]: Start isEmpty. Operand 951 states and 1242 transitions. [2018-11-18 16:00:39,584 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 137 [2018-11-18 16:00:39,585 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:00:39,590 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:00:39,606 INFO L134 CoverageAnalysis]: Checked inductivity of 93 backedges. 68 proven. 1 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-11-18 16:00:40,006 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:00:40,006 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1259 states to 966 states and 1259 transitions. [2018-11-18 16:00:40,006 INFO L276 IsEmpty]: Start isEmpty. Operand 966 states and 1259 transitions. [2018-11-18 16:00:40,007 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2018-11-18 16:00:40,007 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:00:40,014 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:00:40,031 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 64 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2018-11-18 16:00:40,139 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:00:40,139 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1273 states to 978 states and 1273 transitions. [2018-11-18 16:00:40,139 INFO L276 IsEmpty]: Start isEmpty. Operand 978 states and 1273 transitions. [2018-11-18 16:00:40,140 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2018-11-18 16:00:40,140 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:00:40,147 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:00:40,161 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 64 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2018-11-18 16:00:40,401 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:00:40,401 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1278 states to 983 states and 1278 transitions. [2018-11-18 16:00:40,401 INFO L276 IsEmpty]: Start isEmpty. Operand 983 states and 1278 transitions. [2018-11-18 16:00:40,402 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2018-11-18 16:00:40,402 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:00:40,410 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:00:40,424 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 64 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2018-11-18 16:00:40,623 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:00:40,623 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1282 states to 987 states and 1282 transitions. [2018-11-18 16:00:40,623 INFO L276 IsEmpty]: Start isEmpty. Operand 987 states and 1282 transitions. [2018-11-18 16:00:40,624 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2018-11-18 16:00:40,624 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:00:40,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:00:40,646 INFO L134 CoverageAnalysis]: Checked inductivity of 90 backedges. 64 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2018-11-18 16:00:40,941 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:00:40,942 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1289 states to 995 states and 1289 transitions. [2018-11-18 16:00:40,942 INFO L276 IsEmpty]: Start isEmpty. Operand 995 states and 1289 transitions. [2018-11-18 16:00:40,943 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 138 [2018-11-18 16:00:40,943 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:00:40,948 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:00:40,960 INFO L134 CoverageAnalysis]: Checked inductivity of 86 backedges. 62 proven. 0 refuted. 0 times theorem prover too weak. 24 trivial. 0 not checked. [2018-11-18 16:00:41,075 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:00:41,076 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1298 states to 1004 states and 1298 transitions. [2018-11-18 16:00:41,076 INFO L276 IsEmpty]: Start isEmpty. Operand 1004 states and 1298 transitions. [2018-11-18 16:00:41,077 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2018-11-18 16:00:41,077 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:00:41,084 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:00:41,097 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 65 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-18 16:00:41,624 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:00:41,625 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1318 states to 1022 states and 1318 transitions. [2018-11-18 16:00:41,625 INFO L276 IsEmpty]: Start isEmpty. Operand 1022 states and 1318 transitions. [2018-11-18 16:00:41,626 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 139 [2018-11-18 16:00:41,626 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:00:41,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:00:41,648 INFO L134 CoverageAnalysis]: Checked inductivity of 69 backedges. 65 proven. 0 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-18 16:00:41,884 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:00:41,885 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1326 states to 1031 states and 1326 transitions. [2018-11-18 16:00:41,885 INFO L276 IsEmpty]: Start isEmpty. Operand 1031 states and 1326 transitions. [2018-11-18 16:00:41,886 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 140 [2018-11-18 16:00:41,886 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:00:41,895 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:00:41,909 INFO L134 CoverageAnalysis]: Checked inductivity of 94 backedges. 94 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 16:00:42,804 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:00:42,805 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1360 states to 1060 states and 1360 transitions. [2018-11-18 16:00:42,805 INFO L276 IsEmpty]: Start isEmpty. Operand 1060 states and 1360 transitions. [2018-11-18 16:00:42,806 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 142 [2018-11-18 16:00:42,806 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:00:42,817 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:00:42,831 INFO L134 CoverageAnalysis]: Checked inductivity of 75 backedges. 68 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-11-18 16:00:42,983 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:00:42,984 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1374 states to 1072 states and 1374 transitions. [2018-11-18 16:00:42,984 INFO L276 IsEmpty]: Start isEmpty. Operand 1072 states and 1374 transitions. [2018-11-18 16:00:42,985 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2018-11-18 16:00:42,985 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:00:42,993 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:00:43,346 INFO L134 CoverageAnalysis]: Checked inductivity of 105 backedges. 82 proven. 9 refuted. 0 times theorem prover too weak. 14 trivial. 0 not checked. [2018-11-18 16:00:45,975 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:00:45,976 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1437 states to 1124 states and 1437 transitions. [2018-11-18 16:00:45,976 INFO L276 IsEmpty]: Start isEmpty. Operand 1124 states and 1437 transitions. [2018-11-18 16:00:45,977 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 143 [2018-11-18 16:00:45,977 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:00:45,990 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:00:46,015 INFO L134 CoverageAnalysis]: Checked inductivity of 76 backedges. 69 proven. 0 refuted. 0 times theorem prover too weak. 7 trivial. 0 not checked. [2018-11-18 16:00:46,037 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:00:46,038 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1438 states to 1125 states and 1438 transitions. [2018-11-18 16:00:46,038 INFO L276 IsEmpty]: Start isEmpty. Operand 1125 states and 1438 transitions. [2018-11-18 16:00:46,039 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 145 [2018-11-18 16:00:46,039 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:00:46,055 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:00:46,128 INFO L134 CoverageAnalysis]: Checked inductivity of 70 backedges. 0 proven. 4 refuted. 0 times theorem prover too weak. 66 trivial. 0 not checked. [2018-11-18 16:00:46,404 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:00:46,405 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1448 states to 1131 states and 1448 transitions. [2018-11-18 16:00:46,405 INFO L276 IsEmpty]: Start isEmpty. Operand 1131 states and 1448 transitions. [2018-11-18 16:00:46,406 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 148 [2018-11-18 16:00:46,406 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:00:46,418 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:00:46,445 INFO L134 CoverageAnalysis]: Checked inductivity of 79 backedges. 73 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-11-18 16:00:46,634 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:00:46,634 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1457 states to 1140 states and 1457 transitions. [2018-11-18 16:00:46,635 INFO L276 IsEmpty]: Start isEmpty. Operand 1140 states and 1457 transitions. [2018-11-18 16:00:46,635 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2018-11-18 16:00:46,635 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:00:46,645 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:00:46,663 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 76 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-18 16:00:46,694 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:00:46,694 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1463 states to 1143 states and 1463 transitions. [2018-11-18 16:00:46,695 INFO L276 IsEmpty]: Start isEmpty. Operand 1143 states and 1463 transitions. [2018-11-18 16:00:46,695 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2018-11-18 16:00:46,695 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:00:46,704 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:00:46,722 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 76 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-18 16:00:46,986 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:00:46,987 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1470 states to 1148 states and 1470 transitions. [2018-11-18 16:00:46,987 INFO L276 IsEmpty]: Start isEmpty. Operand 1148 states and 1470 transitions. [2018-11-18 16:00:46,987 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 151 [2018-11-18 16:00:46,987 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:00:47,000 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:00:47,024 INFO L134 CoverageAnalysis]: Checked inductivity of 81 backedges. 76 proven. 1 refuted. 0 times theorem prover too weak. 4 trivial. 0 not checked. [2018-11-18 16:00:47,229 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:00:47,230 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1476 states to 1153 states and 1476 transitions. [2018-11-18 16:00:47,230 INFO L276 IsEmpty]: Start isEmpty. Operand 1153 states and 1476 transitions. [2018-11-18 16:00:47,230 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 154 [2018-11-18 16:00:47,230 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:00:47,236 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:00:47,251 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 78 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2018-11-18 16:00:47,714 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:00:47,715 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1505 states to 1172 states and 1505 transitions. [2018-11-18 16:00:47,715 INFO L276 IsEmpty]: Start isEmpty. Operand 1172 states and 1505 transitions. [2018-11-18 16:00:47,716 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2018-11-18 16:00:47,716 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:00:47,723 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:00:47,739 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 87 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-11-18 16:00:47,768 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:00:47,768 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1513 states to 1179 states and 1513 transitions. [2018-11-18 16:00:47,768 INFO L276 IsEmpty]: Start isEmpty. Operand 1179 states and 1513 transitions. [2018-11-18 16:00:47,769 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 156 [2018-11-18 16:00:47,769 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:00:47,777 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:00:47,793 INFO L134 CoverageAnalysis]: Checked inductivity of 100 backedges. 87 proven. 0 refuted. 0 times theorem prover too weak. 13 trivial. 0 not checked. [2018-11-18 16:00:48,061 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:00:48,062 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1514 states to 1181 states and 1514 transitions. [2018-11-18 16:00:48,062 INFO L276 IsEmpty]: Start isEmpty. Operand 1181 states and 1514 transitions. [2018-11-18 16:00:48,063 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2018-11-18 16:00:48,063 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:00:48,069 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:00:48,082 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 93 proven. 0 refuted. 0 times theorem prover too weak. 36 trivial. 0 not checked. [2018-11-18 16:00:48,244 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:00:48,245 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1535 states to 1203 states and 1535 transitions. [2018-11-18 16:00:48,245 INFO L276 IsEmpty]: Start isEmpty. Operand 1203 states and 1535 transitions. [2018-11-18 16:00:48,245 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2018-11-18 16:00:48,246 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:00:48,255 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:00:48,279 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 84 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-11-18 16:00:48,341 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:00:48,341 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1541 states to 1206 states and 1541 transitions. [2018-11-18 16:00:48,341 INFO L276 IsEmpty]: Start isEmpty. Operand 1206 states and 1541 transitions. [2018-11-18 16:00:48,342 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2018-11-18 16:00:48,342 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:00:48,351 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:00:48,371 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 84 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-11-18 16:00:49,030 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:00:49,031 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1546 states to 1211 states and 1546 transitions. [2018-11-18 16:00:49,031 INFO L276 IsEmpty]: Start isEmpty. Operand 1211 states and 1546 transitions. [2018-11-18 16:00:49,032 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2018-11-18 16:00:49,032 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:00:49,041 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:00:49,060 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 84 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-11-18 16:00:49,313 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:00:49,314 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1551 states to 1216 states and 1551 transitions. [2018-11-18 16:00:49,314 INFO L276 IsEmpty]: Start isEmpty. Operand 1216 states and 1551 transitions. [2018-11-18 16:00:49,315 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2018-11-18 16:00:49,315 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:00:49,324 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:00:49,357 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 84 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-11-18 16:00:49,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:00:49,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1558 states to 1221 states and 1558 transitions. [2018-11-18 16:00:49,621 INFO L276 IsEmpty]: Start isEmpty. Operand 1221 states and 1558 transitions. [2018-11-18 16:00:49,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2018-11-18 16:00:49,622 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:00:49,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:00:49,651 INFO L134 CoverageAnalysis]: Checked inductivity of 102 backedges. 84 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-11-18 16:00:49,827 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:00:49,828 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1558 states to 1222 states and 1558 transitions. [2018-11-18 16:00:49,828 INFO L276 IsEmpty]: Start isEmpty. Operand 1222 states and 1558 transitions. [2018-11-18 16:00:49,829 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 159 [2018-11-18 16:00:49,829 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:00:49,836 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:00:49,858 INFO L134 CoverageAnalysis]: Checked inductivity of 122 backedges. 122 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 16:00:49,936 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:00:49,937 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1563 states to 1227 states and 1563 transitions. [2018-11-18 16:00:49,937 INFO L276 IsEmpty]: Start isEmpty. Operand 1227 states and 1563 transitions. [2018-11-18 16:00:49,938 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2018-11-18 16:00:49,938 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:00:49,945 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:00:49,982 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 107 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2018-11-18 16:00:50,496 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:00:50,497 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1576 states to 1240 states and 1576 transitions. [2018-11-18 16:00:50,497 INFO L276 IsEmpty]: Start isEmpty. Operand 1240 states and 1576 transitions. [2018-11-18 16:00:50,498 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2018-11-18 16:00:50,498 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:00:50,506 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:00:50,537 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 107 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2018-11-18 16:00:51,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:00:51,064 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1593 states to 1258 states and 1593 transitions. [2018-11-18 16:00:51,064 INFO L276 IsEmpty]: Start isEmpty. Operand 1258 states and 1593 transitions. [2018-11-18 16:00:51,065 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 162 [2018-11-18 16:00:51,065 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:00:51,073 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:00:51,135 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 107 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2018-11-18 16:00:51,591 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:00:51,592 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1611 states to 1277 states and 1611 transitions. [2018-11-18 16:00:51,592 INFO L276 IsEmpty]: Start isEmpty. Operand 1277 states and 1611 transitions. [2018-11-18 16:00:51,592 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 163 [2018-11-18 16:00:51,592 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:00:51,608 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:00:51,897 INFO L134 CoverageAnalysis]: Checked inductivity of 110 backedges. 93 proven. 11 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-11-18 16:00:54,320 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:00:54,320 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1666 states to 1316 states and 1666 transitions. [2018-11-18 16:00:54,321 INFO L276 IsEmpty]: Start isEmpty. Operand 1316 states and 1666 transitions. [2018-11-18 16:00:54,321 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 166 [2018-11-18 16:00:54,321 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:00:54,330 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:00:54,348 INFO L134 CoverageAnalysis]: Checked inductivity of 140 backedges. 134 proven. 0 refuted. 0 times theorem prover too weak. 6 trivial. 0 not checked. [2018-11-18 16:00:54,409 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:00:54,409 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1686 states to 1336 states and 1686 transitions. [2018-11-18 16:00:54,409 INFO L276 IsEmpty]: Start isEmpty. Operand 1336 states and 1686 transitions. [2018-11-18 16:00:54,410 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2018-11-18 16:00:54,410 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:00:54,420 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:00:54,466 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 103 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2018-11-18 16:00:56,128 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:00:56,129 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1717 states to 1361 states and 1717 transitions. [2018-11-18 16:00:56,129 INFO L276 IsEmpty]: Start isEmpty. Operand 1361 states and 1717 transitions. [2018-11-18 16:00:56,130 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 168 [2018-11-18 16:00:56,130 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:00:56,140 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:00:56,167 INFO L134 CoverageAnalysis]: Checked inductivity of 129 backedges. 103 proven. 0 refuted. 0 times theorem prover too weak. 26 trivial. 0 not checked. [2018-11-18 16:00:56,481 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:00:56,481 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1723 states to 1366 states and 1723 transitions. [2018-11-18 16:00:56,481 INFO L276 IsEmpty]: Start isEmpty. Operand 1366 states and 1723 transitions. [2018-11-18 16:00:56,482 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2018-11-18 16:00:56,482 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:00:56,492 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:00:56,529 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 107 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2018-11-18 16:00:58,569 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:00:58,569 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1793 states to 1418 states and 1793 transitions. [2018-11-18 16:00:58,569 INFO L276 IsEmpty]: Start isEmpty. Operand 1418 states and 1793 transitions. [2018-11-18 16:00:58,570 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2018-11-18 16:00:58,570 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:00:58,580 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:00:58,610 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 107 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2018-11-18 16:00:59,928 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:00:59,929 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1820 states to 1443 states and 1820 transitions. [2018-11-18 16:00:59,929 INFO L276 IsEmpty]: Start isEmpty. Operand 1443 states and 1820 transitions. [2018-11-18 16:00:59,930 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2018-11-18 16:00:59,930 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:00:59,939 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:00:59,985 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 107 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2018-11-18 16:01:00,629 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:01:00,629 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1838 states to 1462 states and 1838 transitions. [2018-11-18 16:01:00,629 INFO L276 IsEmpty]: Start isEmpty. Operand 1462 states and 1838 transitions. [2018-11-18 16:01:00,630 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2018-11-18 16:01:00,630 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:01:00,640 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:01:00,670 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 107 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2018-11-18 16:01:01,521 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:01:01,522 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1845 states to 1467 states and 1845 transitions. [2018-11-18 16:01:01,522 INFO L276 IsEmpty]: Start isEmpty. Operand 1467 states and 1845 transitions. [2018-11-18 16:01:01,523 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2018-11-18 16:01:01,523 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:01:01,533 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:01:01,560 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 107 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2018-11-18 16:01:02,156 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:01:02,156 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1847 states to 1469 states and 1847 transitions. [2018-11-18 16:01:02,156 INFO L276 IsEmpty]: Start isEmpty. Operand 1469 states and 1847 transitions. [2018-11-18 16:01:02,157 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 171 [2018-11-18 16:01:02,157 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:01:02,167 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:01:02,249 INFO L134 CoverageAnalysis]: Checked inductivity of 139 backedges. 107 proven. 0 refuted. 0 times theorem prover too weak. 32 trivial. 0 not checked. [2018-11-18 16:01:02,567 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:01:02,568 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1853 states to 1474 states and 1853 transitions. [2018-11-18 16:01:02,568 INFO L276 IsEmpty]: Start isEmpty. Operand 1474 states and 1853 transitions. [2018-11-18 16:01:02,569 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 172 [2018-11-18 16:01:02,569 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:01:02,577 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:01:02,608 INFO L134 CoverageAnalysis]: Checked inductivity of 135 backedges. 98 proven. 0 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2018-11-18 16:01:03,151 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:01:03,152 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1898 states to 1516 states and 1898 transitions. [2018-11-18 16:01:03,152 INFO L276 IsEmpty]: Start isEmpty. Operand 1516 states and 1898 transitions. [2018-11-18 16:01:03,153 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2018-11-18 16:01:03,153 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:01:03,161 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:01:04,020 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 144 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 16:01:07,287 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:01:07,288 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1948 states to 1555 states and 1948 transitions. [2018-11-18 16:01:07,288 INFO L276 IsEmpty]: Start isEmpty. Operand 1555 states and 1948 transitions. [2018-11-18 16:01:07,289 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2018-11-18 16:01:07,289 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:01:07,297 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:01:07,349 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 144 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 16:01:08,068 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:01:08,069 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1960 states to 1566 states and 1960 transitions. [2018-11-18 16:01:08,069 INFO L276 IsEmpty]: Start isEmpty. Operand 1566 states and 1960 transitions. [2018-11-18 16:01:08,070 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2018-11-18 16:01:08,070 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:01:08,077 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:01:08,127 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 144 proven. 10 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2018-11-18 16:01:08,710 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:01:08,711 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1964 states to 1571 states and 1964 transitions. [2018-11-18 16:01:08,711 INFO L276 IsEmpty]: Start isEmpty. Operand 1571 states and 1964 transitions. [2018-11-18 16:01:08,711 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 173 [2018-11-18 16:01:08,712 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:01:08,719 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:01:08,738 INFO L134 CoverageAnalysis]: Checked inductivity of 136 backedges. 99 proven. 0 refuted. 0 times theorem prover too weak. 37 trivial. 0 not checked. [2018-11-18 16:01:08,758 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:01:08,759 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1965 states to 1572 states and 1965 transitions. [2018-11-18 16:01:08,759 INFO L276 IsEmpty]: Start isEmpty. Operand 1572 states and 1965 transitions. [2018-11-18 16:01:08,760 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2018-11-18 16:01:08,760 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:01:08,768 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:01:08,788 INFO L134 CoverageAnalysis]: Checked inductivity of 173 backedges. 163 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-18 16:01:09,685 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:01:09,686 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1994 states to 1594 states and 1994 transitions. [2018-11-18 16:01:09,686 INFO L276 IsEmpty]: Start isEmpty. Operand 1594 states and 1994 transitions. [2018-11-18 16:01:09,687 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 177 [2018-11-18 16:01:09,687 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:01:09,695 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:01:09,712 INFO L134 CoverageAnalysis]: Checked inductivity of 173 backedges. 163 proven. 0 refuted. 0 times theorem prover too weak. 10 trivial. 0 not checked. [2018-11-18 16:01:10,640 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:01:10,641 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2008 states to 1609 states and 2008 transitions. [2018-11-18 16:01:10,641 INFO L276 IsEmpty]: Start isEmpty. Operand 1609 states and 2008 transitions. [2018-11-18 16:01:10,642 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2018-11-18 16:01:10,642 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:01:10,652 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:01:10,676 INFO L134 CoverageAnalysis]: Checked inductivity of 141 backedges. 112 proven. 0 refuted. 0 times theorem prover too weak. 29 trivial. 0 not checked. [2018-11-18 16:01:11,620 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:01:11,621 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2031 states to 1632 states and 2031 transitions. [2018-11-18 16:01:11,621 INFO L276 IsEmpty]: Start isEmpty. Operand 1632 states and 2031 transitions. [2018-11-18 16:01:11,622 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2018-11-18 16:01:11,622 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:01:11,633 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:01:11,656 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 115 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2018-11-18 16:01:11,840 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:01:11,841 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2038 states to 1640 states and 2038 transitions. [2018-11-18 16:01:11,841 INFO L276 IsEmpty]: Start isEmpty. Operand 1640 states and 2038 transitions. [2018-11-18 16:01:11,842 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 179 [2018-11-18 16:01:11,842 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:01:11,852 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:01:11,874 INFO L134 CoverageAnalysis]: Checked inductivity of 155 backedges. 115 proven. 0 refuted. 0 times theorem prover too weak. 40 trivial. 0 not checked. [2018-11-18 16:01:12,009 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:01:12,010 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2042 states to 1645 states and 2042 transitions. [2018-11-18 16:01:12,010 INFO L276 IsEmpty]: Start isEmpty. Operand 1645 states and 2042 transitions. [2018-11-18 16:01:12,011 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 181 [2018-11-18 16:01:12,011 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:01:12,022 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:01:12,051 INFO L134 CoverageAnalysis]: Checked inductivity of 154 backedges. 106 proven. 0 refuted. 0 times theorem prover too weak. 48 trivial. 0 not checked. [2018-11-18 16:01:12,429 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:01:12,430 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2115 states to 1716 states and 2115 transitions. [2018-11-18 16:01:12,430 INFO L276 IsEmpty]: Start isEmpty. Operand 1716 states and 2115 transitions. [2018-11-18 16:01:12,431 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 183 [2018-11-18 16:01:12,431 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:01:12,441 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:01:13,600 INFO L134 CoverageAnalysis]: Checked inductivity of 145 backedges. 127 proven. 0 refuted. 0 times theorem prover too weak. 18 trivial. 0 not checked. [2018-11-18 16:01:16,303 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:01:16,304 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2172 states to 1769 states and 2172 transitions. [2018-11-18 16:01:16,305 INFO L276 IsEmpty]: Start isEmpty. Operand 1769 states and 2172 transitions. [2018-11-18 16:01:16,306 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 225 [2018-11-18 16:01:16,306 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:01:16,320 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:01:16,387 INFO L134 CoverageAnalysis]: Checked inductivity of 235 backedges. 21 proven. 10 refuted. 0 times theorem prover too weak. 204 trivial. 0 not checked. [2018-11-18 16:01:16,717 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:01:16,718 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2177 states to 1774 states and 2177 transitions. [2018-11-18 16:01:16,718 INFO L276 IsEmpty]: Start isEmpty. Operand 1774 states and 2177 transitions. [2018-11-18 16:01:16,719 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 230 [2018-11-18 16:01:16,719 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:01:16,728 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:01:16,763 INFO L134 CoverageAnalysis]: Checked inductivity of 263 backedges. 168 proven. 0 refuted. 0 times theorem prover too weak. 95 trivial. 0 not checked. [2018-11-18 16:01:17,875 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:01:17,876 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2208 states to 1799 states and 2208 transitions. [2018-11-18 16:01:17,876 INFO L276 IsEmpty]: Start isEmpty. Operand 1799 states and 2208 transitions. [2018-11-18 16:01:17,877 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 238 [2018-11-18 16:01:17,877 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:01:17,891 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:01:17,932 INFO L134 CoverageAnalysis]: Checked inductivity of 333 backedges. 184 proven. 0 refuted. 0 times theorem prover too weak. 149 trivial. 0 not checked. [2018-11-18 16:01:17,965 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:01:17,966 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2208 states to 1800 states and 2208 transitions. [2018-11-18 16:01:17,966 INFO L276 IsEmpty]: Start isEmpty. Operand 1800 states and 2208 transitions. [2018-11-18 16:01:17,967 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 253 [2018-11-18 16:01:17,967 INFO L427 CodeCheckObserver]: Error Path is FOUND. [2018-11-18 16:01:17,982 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2018-11-18 16:01:18,056 INFO L134 CoverageAnalysis]: Checked inductivity of 332 backedges. 165 proven. 0 refuted. 0 times theorem prover too weak. 167 trivial. 0 not checked. [2018-11-18 16:01:18,093 INFO L82 GeneralOperation]: Start removeUnreachable. Operand no size info available [2018-11-18 16:01:18,094 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 2133 states to 1727 states and 2133 transitions. [2018-11-18 16:01:18,094 INFO L276 IsEmpty]: Start isEmpty. Operand 1727 states and 2133 transitions. [2018-11-18 16:01:18,094 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2018-11-18 16:01:18,095 WARN L424 CodeCheckObserver]: This Program is SAFE, Check terminated with 118 iterations. [2018-11-18 16:01:18,101 INFO L775 CodeCheckObserver]: All specifications hold 1 specifications checked. All of them hold [2018-11-18 16:01:18,456 WARN L180 SmtUtils]: Spent 218.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 42 [2018-11-18 16:01:18,817 WARN L180 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 42 [2018-11-18 16:01:18,951 WARN L180 SmtUtils]: Spent 133.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 42 [2018-11-18 16:01:19,292 WARN L180 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 42 [2018-11-18 16:01:19,423 WARN L180 SmtUtils]: Spent 130.00 ms on a formula simplification. DAG size of input: 91 DAG size of output: 42 [2018-11-18 16:01:19,684 WARN L180 SmtUtils]: Spent 151.00 ms on a formula simplification. DAG size of input: 85 DAG size of output: 42 [2018-11-18 16:01:21,197 WARN L180 SmtUtils]: Spent 134.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 42 [2018-11-18 16:01:21,555 WARN L180 SmtUtils]: Spent 131.00 ms on a formula simplification. DAG size of input: 86 DAG size of output: 42 [2018-11-18 16:01:21,770 INFO L579 CodeCheckObserver]: Invariant with dag size 1 [2018-11-18 16:01:21,772 INFO L579 CodeCheckObserver]: Invariant with dag size 11 [2018-11-18 16:01:21,777 INFO L579 CodeCheckObserver]: Invariant with dag size 11 [2018-11-18 16:01:21,778 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.codecheck CFG 18.11 04:01:21 ImpRootNode [2018-11-18 16:01:21,778 INFO L132 PluginConnector]: ------------------------ END CodeCheck---------------------------- [2018-11-18 16:01:21,778 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2018-11-18 16:01:21,778 INFO L271 PluginConnector]: Initializing Witness Printer... [2018-11-18 16:01:21,778 INFO L276 PluginConnector]: Witness Printer initialized [2018-11-18 16:01:21,779 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 18.11 04:00:12" (3/4) ... [2018-11-18 16:01:21,782 INFO L144 WitnessPrinter]: Generating witness for correct program [2018-11-18 16:01:21,796 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 101 nodes and edges [2018-11-18 16:01:21,797 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 20 nodes and edges [2018-11-18 16:01:21,797 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 10 nodes and edges [2018-11-18 16:01:21,798 INFO L846 BoogieBacktranslator]: Reduced CFG by removing 1 nodes and edges [2018-11-18 16:01:21,883 INFO L145 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_94b6848c-d97c-4bf7-adca-7438120723c5/bin-2019/ukojak/witness.graphml [2018-11-18 16:01:21,884 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2018-11-18 16:01:21,884 INFO L168 Benchmark]: Toolchain (without parser) took 71677.98 ms. Allocated memory was 1.0 GB in the beginning and 2.8 GB in the end (delta: 1.8 GB). Free memory was 951.1 MB in the beginning and 1.0 GB in the end (delta: -56.2 MB). Peak memory consumption was 1.7 GB. Max. memory is 11.5 GB. [2018-11-18 16:01:21,885 INFO L168 Benchmark]: CDTParser took 0.15 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 16:01:21,885 INFO L168 Benchmark]: CACSL2BoogieTranslator took 366.15 ms. Allocated memory is still 1.0 GB. Free memory was 951.1 MB in the beginning and 918.8 MB in the end (delta: 32.3 MB). Peak memory consumption was 32.3 MB. Max. memory is 11.5 GB. [2018-11-18 16:01:21,885 INFO L168 Benchmark]: Boogie Procedure Inliner took 99.72 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 143.7 MB). Free memory was 918.8 MB in the beginning and 1.1 GB in the end (delta: -207.3 MB). Peak memory consumption was 18.3 MB. Max. memory is 11.5 GB. [2018-11-18 16:01:21,886 INFO L168 Benchmark]: Boogie Preprocessor took 40.08 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: 13.7 MB). Peak memory consumption was 13.7 MB. Max. memory is 11.5 GB. [2018-11-18 16:01:21,886 INFO L168 Benchmark]: RCFGBuilder took 1798.49 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 874.4 MB in the end (delta: 238.1 MB). Peak memory consumption was 238.1 MB. Max. memory is 11.5 GB. [2018-11-18 16:01:21,886 INFO L168 Benchmark]: CodeCheck took 69264.99 ms. Allocated memory was 1.2 GB in the beginning and 2.8 GB in the end (delta: 1.6 GB). Free memory was 874.4 MB in the beginning and 1.0 GB in the end (delta: -169.2 MB). Peak memory consumption was 1.7 GB. Max. memory is 11.5 GB. [2018-11-18 16:01:21,888 INFO L168 Benchmark]: Witness Printer took 105.63 ms. Allocated memory is still 2.8 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 36.3 MB). Peak memory consumption was 36.3 MB. Max. memory is 11.5 GB. [2018-11-18 16:01:21,889 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, 199 locations, 1 error locations. SAFE Result, 65.5s OverallTime, 118 OverallIterations, 0 TraceHistogramMax, 0.0s AutomataDifference, 0.0s DeadEndRemovalTime, 0.0s HoareAnnotationTime, HoareTripleCheckerStatistics: -2117791504 SDtfs, -1196995448 SDslu, 241731392 SDs, 0 SdLazy, 671348640 SolverSat, -2040774664 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 283.7s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 114626 GetRequests, 112220 SyntacticMatches, 1362 SemanticMatches, 1044 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 749292 ImplicationChecksByTransitivity, 54.4s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=-1occurred in iteration=-1, traceCheckStatistics: 0.3s SsaConstructionTime, 0.6s SatisfiabilityAnalysisTime, 5.3s InterpolantComputationTime, 16113 NumberOfCodeBlocks, 16113 NumberOfCodeBlocksAsserted, 117 NumberOfCheckSat, 15996 ConstructedInterpolants, 0 QuantifiedInterpolants, 6708570 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 117 InterpolantComputations, 104 PerfectInterpolantSequences, 10269/10339 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: 557]: 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: (a20 == 1 || !(a16 == 6)) || !(a7 == 1) - InvariantResult [Line: 583]: Loop Invariant Derived loop invariant: (a20 == 1 || !(a16 == 6)) || !(a7 == 1) * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 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 366.15 ms. Allocated memory is still 1.0 GB. Free memory was 951.1 MB in the beginning and 918.8 MB in the end (delta: 32.3 MB). Peak memory consumption was 32.3 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 99.72 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 143.7 MB). Free memory was 918.8 MB in the beginning and 1.1 GB in the end (delta: -207.3 MB). Peak memory consumption was 18.3 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 40.08 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: 13.7 MB). Peak memory consumption was 13.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 1798.49 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 874.4 MB in the end (delta: 238.1 MB). Peak memory consumption was 238.1 MB. Max. memory is 11.5 GB. * CodeCheck took 69264.99 ms. Allocated memory was 1.2 GB in the beginning and 2.8 GB in the end (delta: 1.6 GB). Free memory was 874.4 MB in the beginning and 1.0 GB in the end (delta: -169.2 MB). Peak memory consumption was 1.7 GB. Max. memory is 11.5 GB. * Witness Printer took 105.63 ms. Allocated memory is still 2.8 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 36.3 MB). Peak memory consumption was 36.3 MB. Max. memory is 11.5 GB. RESULT: Ultimate proved your program to be correct! Received shutdown request...